Rewrap some lines.

.gitlab-ci.yml

@@ -32,9 +32,8 @@ test:
   extends: .base-test
   stage: test
   script:
-    - ./gradlew -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
+    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
-    - ./gradlew -Djava.security.egd=file:/dev/urandom assembleOfficialDebug :briar-headless:linuxJars
+    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom compileOfficialDebugAndroidTestSources compileScreenshotDebugAndroidTestSources check
-    - ./gradlew -Djava.security.egd=file:/dev/urandom compileOfficialDebugAndroidTestSources compileScreenshotDebugAndroidTestSources check
   rules:
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
       when: always
@@ -62,7 +61,7 @@ android test:
     when: on_failure
   rules:
     - if: '$CI_PIPELINE_SOURCE == "schedule"'
-      when: manual
+      when: on_success
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'
       changes:
         - briar-android/**/*
@@ -85,43 +84,35 @@ test_reproducible:
 
 .optional_tests:
   stage: optional_tests
-  extends: .base-test
+  before_script:
+    - set -e
+    - export GRADLE_USER_HOME=$PWD/.gradle
+
+  cache:
+    key: "$CI_COMMIT_REF_SLUG"
+    paths:
+      - .gradle/wrapper
+      - .gradle/caches
+
+  script:
+    - OPTIONAL_TESTS=org.briarproject.bramble.plugin.tor.BridgeTest ./gradlew --info bramble-java:test --tests BridgeTest
+
+  after_script:
+    # these file change every time but should not be cached
+    - rm -f $GRADLE_USER_HOME/caches/modules-2/modules-2.lock
+    - rm -fr $GRADLE_USER_HOME/caches/*/plugin-resolution/
 
 bridge test:
   extends: .optional_tests
   rules:
     - if: '$CI_PIPELINE_SOURCE == "schedule"'
       when: on_success
-      allow_failure: false
+      allow_failure: true
     - if: '$CI_COMMIT_TAG == null'
       when: manual
       allow_failure: true
-  script:
-    - OPTIONAL_TESTS=org.briarproject.bramble.plugin.tor.BridgeTest ./gradlew --info bramble-java:test --tests BridgeTest
-
-mailbox integration test:
-  extends: .optional_tests
-  rules:
-    - if: '$CI_PIPELINE_SOURCE == "schedule"'
-      when: on_success
-      allow_failure: false
-    - if: '$CI_COMMIT_TAG == null'
-      when: manual
-      allow_failure: false
-  script:
-    # start mailbox
-    - cd /opt && git clone --depth 1 https://code.briarproject.org/briar/briar-mailbox.git briar-mailbox
-    - cd briar-mailbox
-    - mkdir -p /root/.local/share # create directory that mailbox (currently) expects to exist
-    - ./gradlew run --args="--debug --setup-token 54686973206973206120736574757020746f6b656e20666f722042726961722e" &
-    # run mailbox integration test once mailbox has started
-    - cd "$CI_PROJECT_DIR"
-    - bramble-core/src/test/bash/wait-for-mailbox.sh
-    - OPTIONAL_TESTS=org.briarproject.bramble.mailbox.MailboxIntegrationTest ./gradlew --info bramble-core:test --tests MailboxIntegrationTest
 
 pre_release_tests:
   extends: .optional_tests
-  script:
-    - OPTIONAL_TESTS=org.briarproject.bramble.plugin.tor.BridgeTest ./gradlew --info bramble-java:test --tests BridgeTest
   only:
     - tags

README.md

@@ -22,15 +22,6 @@ our site.
 
 [Wiki](https://code.briarproject.org/briar/briar/-/wikis/home)
 
-## Reproducible builds
-
-We provide [docker images](https://code.briarproject.org/briar/briar-reproducer#briar-reproducer)
-to ease the task of verifying that the published APK binaries
-include nothing but our publicly available source code.
-
-You can either use those images or use them as a blueprint to build your own environment
-for reproduction.
-
 ## Donate
 
 [![Donate using Liberapay](https://briarproject.org/img/liberapay.svg)](https://liberapay.com/Briar/donate) [![Flattr this](https://briarproject.org/img/flattr-badge-large.png "Flattr this")](https://flattr.com/t/592836/)   

bramble-android/build.gradle

@@ -1,6 +1,7 @@
 import com.android.build.gradle.tasks.MergeResources
 
 apply plugin: 'com.android.library'
+apply plugin: 'checkstyle'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
 
@@ -15,8 +16,8 @@ android {
 	defaultConfig {
 		minSdkVersion 16
 		targetSdkVersion 30
-		versionCode 10404
+		versionCode 10401
-		versionName "1.4.4"
+		versionName "1.4.1"
 		consumerProguardFiles 'proguard-rules.txt'
 
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -42,8 +43,8 @@ configurations {
 
 dependencies {
 	implementation project(path: ':bramble-core', configuration: 'default')
-	tor "org.briarproject:tor-android:$tor_version"
+	tor 'org.briarproject:tor-android:0.3.5.15'
-	tor "org.briarproject:obfs4proxy-android:$obfs4proxy_version@zip"
+	tor 'org.briarproject:obfs4proxy-android:0.0.12-dev-40245c4a@zip'
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
@@ -53,7 +54,7 @@ dependencies {
 	testImplementation "junit:junit:$junit_version"
 	testImplementation "org.jmock:jmock:$jmock_version"
 	testImplementation "org.jmock:jmock-junit4:$jmock_version"
-	testImplementation "org.jmock:jmock-imposters:$jmock_version"
+	testImplementation "org.jmock:jmock-legacy:$jmock_version"
 }
 
 def torBinariesDir = 'src/main/res/raw'

bramble-android/proguard-rules.txt

@@ -1,8 +1,6 @@
-# Keep the H2 classes that are loaded via reflection
+-keep,includedescriptorclasses class org.briarproject.** { *; }
--keep class org.h2.Driver { *; }
+
--keep class org.h2.engine.Engine { *; }
+-keep class org.h2.** { *; }
--keep class org.h2.store.fs.** { *; }
-# Don't warn about unused dependencies of H2 classes
 -dontwarn org.h2.**
 -dontnote org.h2.**
 
@@ -17,4 +15,5 @@
 -dontwarn sun.misc.Unsafe
 -dontnote com.google.common.**
 
--dontwarn com.fasterxml.jackson.databind.ext.Java7SupportImpl
+# UPnP library isn't used
+-dontwarn org.bitlet.weupnp.**

bramble-android/src/main/java/org/briarproject/bramble/plugin/tor/AndroidTorPluginFactory.java

@@ -3,7 +3,6 @@ package org.briarproject.bramble.plugin.tor;
 import android.app.Application;
 
 import org.briarproject.bramble.api.battery.BatteryManager;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
 import org.briarproject.bramble.api.network.NetworkManager;
@@ -61,7 +60,6 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 	private final File torDirectory;
 	private int torSocksPort;
 	private int torControlPort;
-	private final CryptoComponent crypto;
 
 	@Inject
 	AndroidTorPluginFactory(@IoExecutor Executor ioExecutor,
@@ -79,8 +77,7 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 			Clock clock,
 			@TorDirectory File torDirectory,
 			@TorSocksPort int torSocksPort,
-			@TorControlPort int torControlPort,
+			@TorControlPort int torControlPort) {
-			CryptoComponent crypto) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.app = app;
@@ -97,7 +94,6 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 		this.torDirectory = torDirectory;
 		this.torSocksPort = torSocksPort;
 		this.torControlPort = torControlPort;
-		this.crypto = crypto;
 	}
 
 	@Override
@@ -139,8 +135,7 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
-		TorRendezvousCrypto torRendezvousCrypto =
+		TorRendezvousCrypto torRendezvousCrypto = new TorRendezvousCryptoImpl();
-				new TorRendezvousCryptoImpl(crypto);
 		AndroidTorPlugin plugin = new AndroidTorPlugin(ioExecutor,
 				wakefulIoExecutor, app, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,

bramble-android/src/test/java/org/briarproject/bramble/account/AndroidAccountManagerTest.java

@@ -9,7 +9,7 @@ import org.briarproject.bramble.api.db.DatabaseConfig;
 import org.briarproject.bramble.api.identity.IdentityManager;
 import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.jmock.Expectations;
-import org.jmock.imposters.ByteBuddyClassImposteriser;
+import org.jmock.lib.legacy.ClassImposteriser;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
@@ -44,7 +44,7 @@ public class AndroidAccountManagerTest extends BrambleMockTestCase {
 	private AndroidAccountManager accountManager;
 
 	public AndroidAccountManagerTest() {
-		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
+		context.setImposteriser(ClassImposteriser.INSTANCE);
 		app = context.mock(Application.class);
 		applicationInfo = new ApplicationInfo();
 		applicationInfo.dataDir = testDir.getAbsolutePath();

bramble-android/witness.gradle

@@ -1,161 +1,123 @@
 dependencyVerification {
     verify = [
+        'antlr:antlr:2.7.7:antlr-2.7.7.jar:88fbda4b912596b9f56e8e12e580cc954bacfb51776ecfddd3e18fc1cf56dc4c',
         'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
-        'com.android.tools.analytics-library:protos:30.0.3:protos-30.0.3.jar:f62b89dcd9de719c6a7b7e15fb1dd20e45b57222e675cf633607bd0ed6bca7e7',
+        'com.android.tools.analytics-library:protos:27.1.3:protos-27.1.3.jar:0d9e6cff60b318baac250b6f5bb076a8161103338bf2749cdf1db8a5a13a1f12',
-        'com.android.tools.analytics-library:shared:30.0.3:shared-30.0.3.jar:05aa9ba3cc890354108521fdf99802565aae5dd6ca44a6ac8bb8d594d1c1cd15',
+        'com.android.tools.analytics-library:shared:27.1.3:shared-27.1.3.jar:10d2a51d8f89ff4ac849888e5a9c60b10e879c30d78545ec1da4d3df7bd56ae4',
-        'com.android.tools.analytics-library:tracker:30.0.3:tracker-30.0.3.jar:5d0ef35bf6733e96210b5085a2a202152921bf834d345959dce1ca3369b528df',
+        'com.android.tools.analytics-library:tracker:27.1.3:tracker-27.1.3.jar:589b355a2ba796cbc0a2b2295737de6661f078262e5f87cd6f540b8d011e5ebb',
         'com.android.tools.build:aapt2-proto:4.1.0-alpha01-6193524:aapt2-proto-4.1.0-alpha01-6193524.jar:17e75523e1e92dd4f222c7368ee41df9e964a508232f591e265d0c499baf9dca',
-        'com.android.tools.build:apksig:7.0.3:apksig-7.0.3.jar:012337a2803c9a30dfc41dcbc6450686ee9e5f582549f7f126479f743a343ec9',
+        'com.android.tools.build:apksig:4.1.3:apksig-4.1.3.jar:a851980c678ff7a6785388b9a9e8cc094788ce3c4a985ad2b19c2028fd3c631a',
-        'com.android.tools.build:apkzlib:7.0.3:apkzlib-7.0.3.jar:b31e53174c92db83c5cc6e7dac6734ea4e907a72e452c2bf1818dfd082c59397',
+        'com.android.tools.build:apkzlib:4.1.3:apkzlib-4.1.3.jar:475903065e7e83a8c1ba78d267c97a54dc5a04d768b535093850423d7b11f2c8',
-        'com.android.tools.build:builder-model:7.0.3:builder-model-7.0.3.jar:483f99d7494a5bed027e1e8d29111384cf535d4842f0be5a79805bd44bb68d4e',
+        'com.android.tools.build:builder-model:4.1.3:builder-model-4.1.3.jar:2624a1436c3ab39dd91d3ecf9409a594b0f89ea5cab255f2e9ff11f5ee03d274',
-        'com.android.tools.build:builder-test-api:7.0.3:builder-test-api-7.0.3.jar:f6de4bc2cef545e8367bf82d7c733829c7be3b0b3b8b09fd8c58f2150e59ab46',
+        'com.android.tools.build:builder-test-api:4.1.3:builder-test-api-4.1.3.jar:3d2af66726b06b53b8d6d497efcee39ff9f77eb2f8d2cce38b31502383a40d2c',
-        'com.android.tools.build:builder:7.0.3:builder-7.0.3.jar:c6952da0094b094c2ba0fe84c675622097c5d9b9f9beb53485b860320540cf1d',
+        'com.android.tools.build:builder:4.1.3:builder-4.1.3.jar:a40426cd6d68f6a722ef4950058c075e4547025e8c2fd78e732ad89f15176f84',
-        'com.android.tools.build:manifest-merger:30.0.3:manifest-merger-30.0.3.jar:72b346ba6318b4b6260e6e49df4bea5da2e12329ab6c2beb2269c49a9f51f178',
+        'com.android.tools.build:gradle-api:4.1.3:gradle-api-4.1.3.jar:11b1fb9de658bdcf9290b1c1517060d0c4d93f2b27975934989ca4ac890bc077',
-        'com.android.tools.ddms:ddmlib:30.0.3:ddmlib-30.0.3.jar:7a914a68ab93393657297234e2f37b22410ae9a433cba692ce8c727c9607e3bb',
+        'com.android.tools.build:manifest-merger:27.1.3:manifest-merger-27.1.3.jar:ce8d4009b1f1584777a7ffa1da3b0551dc316bc8e08112e442c352af70f46f2d',
-        'com.android.tools.external.com-intellij:intellij-core:30.0.3:intellij-core-30.0.3.jar:1ebe858d3f58eeaa8c06507f8ac0f1c7051e6c61f35a70f3c3967d5734d3abc5',
+        'com.android.tools.ddms:ddmlib:27.1.3:ddmlib-27.1.3.jar:8f76e8236d2b9eebf26378746dad025c4c7c056a02e133dae4ddef47b283c710',
-        'com.android.tools.external.com-intellij:kotlin-compiler:30.0.3:kotlin-compiler-30.0.3.jar:ed00e441f427cb4e0d418287b9da30b12b7f735f9af32e6b5d3dc960b6a742fc',
+        'com.android.tools.external.com-intellij:intellij-core:27.1.3:intellij-core-27.1.3.jar:652814fa099b4746fb6f10e19718e476952e8b5bac24e17d914f90650ad21808',
-        'com.android.tools.external.org-jetbrains:uast:30.0.3:uast-30.0.3.jar:a77801bee6ff509910e459525c9c34d7f04b066ade123547f16f1917548eadea',
+        'com.android.tools.external.com-intellij:kotlin-compiler:27.1.3:kotlin-compiler-27.1.3.jar:8d7a78d5efd213c5e467e42bd205582aad73ffc77ee5dc18eb1361c9af72f125',
-        'com.android.tools.layoutlib:layoutlib-api:30.0.3:layoutlib-api-30.0.3.jar:4caa87e9ca2e11315f650d576cd59fec1793373bc3fca3f6d53c029e7534e7c4',
+        'com.android.tools.external.org-jetbrains:uast:27.1.3:uast-27.1.3.jar:aea53944a1ac6a05f12297b55290e8cbecfe54c4166260cfba4405823bfe1c78',
-        'com.android.tools.lint:lint-api:30.0.3:lint-api-30.0.3.jar:bcecbd2f752a6560096a9029a47d1de6bd788a51bab505c5ebfba6a18524b983',
+        'com.android.tools.layoutlib:layoutlib-api:27.1.3:layoutlib-api-27.1.3.jar:23875ce0a8429f33a4e86cc358f658faa0ba9c576f5f05760e544b453d67d04b',
-        'com.android.tools.lint:lint-checks:30.0.3:lint-checks-30.0.3.jar:25a7cd42dc3ad502337f131fb8b7e873c53301db0a67b1c64dd4ae7a8eb66cec',
+        'com.android.tools.lint:lint-api:27.1.3:lint-api-27.1.3.jar:97666be32bcadacd944416ea334a9575ef8f4ad0c8f333151491ff4a7df43e1c',
-        'com.android.tools.lint:lint-gradle:30.0.3:lint-gradle-30.0.3.jar:94544d6147a809bf2fd3440e51f28a4e42e547d74aab53eefd74938cdad42c26',
+        'com.android.tools.lint:lint-checks:27.1.3:lint-checks-27.1.3.jar:b2d71ae84a31490fe9ff26c706163fe245b2aea98e3eb747214c1085df444708',
-        'com.android.tools.lint:lint-model:30.0.3:lint-model-30.0.3.jar:0b940a7f575c2ff5cbd038260f41dde686a93c672213881ead3ce8af3513b396',
+        'com.android.tools.lint:lint-gradle-api:27.1.3:lint-gradle-api-27.1.3.jar:e54131c287a2954e6ed78a3351e5e10e35a1da2f09ac443bf44b705c71b63a4d',
-        'com.android.tools.lint:lint:30.0.3:lint-30.0.3.jar:ee4f11001e0c7e3b776e0d67399ad354b19b0f168822ec2b7db47c0910ed227d',
+        'com.android.tools.lint:lint-gradle:27.1.3:lint-gradle-27.1.3.jar:6a79e48943649d63665db7b17dbaff7af93e94ab9b15072f1a4d90486294ee9f',
-        'com.android.tools:annotations:30.0.3:annotations-30.0.3.jar:5c1944982fda8555855c4f5422fabf0dc8e2306e1f5460e9ad82dae71316bc31',
+        'com.android.tools.lint:lint-model:27.1.3:lint-model-27.1.3.jar:acb9e792db7000e38e3c3ca21a9b14f2de6549d7a3fc92a97ffba3d06345e5bf',
-        'com.android.tools:common:30.0.3:common-30.0.3.jar:8751efaaf2c2ddd1f0a37526c794347def6a3057ca9fc510307c13a6cf0d036f',
+        'com.android.tools.lint:lint:27.1.3:lint-27.1.3.jar:5a2e69d0901a3a476a5b2d5001de755868113145f5f6aa557750cfad5389a44b',
-        'com.android.tools:dvlib:30.0.3:dvlib-30.0.3.jar:5affafcec390041e5afd64cb924153f5e474db47ee8ccc2f555b495083141233',
+        'com.android.tools:annotations:27.1.3:annotations-27.1.3.jar:904dd771883496d5dfc86619ab2555968ea4e8a29d7a5f4f7cae6fbf5429f8f5',
-        'com.android.tools:repository:30.0.3:repository-30.0.3.jar:0a40c6f16c506903ce2c609affd8228aceda73a69d93dfa42d4f02b8491449f6',
+        'com.android.tools:common:27.1.3:common-27.1.3.jar:17ab4728e3ea50f047dd5937f0faf35f2c5416962ed74891057087ddc328bf96',
-        'com.android.tools:sdk-common:30.0.3:sdk-common-30.0.3.jar:b45570a380360236ffee0f6bb593d66b673bad3834dfe0d6c9871fa7188ee0eb',
+        'com.android.tools:dvlib:27.1.3:dvlib-27.1.3.jar:cead1c0c356cbe43e6855b0330fe09ef4bec2c72e22bdb4c6e7cf7e6b1dfbc37',
-        'com.android.tools:sdklib:30.0.3:sdklib-30.0.3.jar:7088f20a414fab170a21e457825e14ebe099f753558e02c8acc12c67eb412162',
+        'com.android.tools:repository:27.1.3:repository-27.1.3.jar:99de1a178855b56b8cd91a56296f1e0a9399c445e6acc51f1d2927947cc472cb',
-        'com.android:signflinger:7.0.3:signflinger-7.0.3.jar:903a4536db3e96b4e1e1dc1e400eb0b91bf7866d9b39cd7ec94d75dde158f152',
+        'com.android.tools:sdk-common:27.1.3:sdk-common-27.1.3.jar:b591e2aa0f1be600795f5c9e2bf81cba9b052bee452fc86c3362b5dd9e427a14',
-        'com.android:zipflinger:7.0.3:zipflinger-7.0.3.jar:fd209c960a3eff7a339e6fcba07d5e9ef4604d1633c69ab2df987460d9804140',
+        'com.android.tools:sdklib:27.1.3:sdklib-27.1.3.jar:ad6c08a45fe2904d05656bdddf9f623fa5c1d16bbd7b8d6a270a0734136ae02e',
-        'com.beust:jcommander:1.78:jcommander-1.78.jar:7891debb84b5f83e9bd57593ebece3399abbe0fd938cf306b3534c57913b9615',
+        'com.android:signflinger:4.1.3:signflinger-4.1.3.jar:f3103b55ccdc8dd9ee2517eb26af93b904d41303726594372d0df59d51156e5c',
-        'com.github.javaparser:javaparser-core:3.17.0:javaparser-core-3.17.0.jar:23f5c982e1c7771423d37d52c774e8d2e80fd7ea7305ebe448797a96f67e6fca',
+        'com.android:zipflinger:4.1.3:zipflinger-4.1.3.jar:48569896c0497268308a8014c66eb0f2bace2b9e2fc9390f3012823fb86387d5',
         'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
-        'com.google.code.gson:gson:2.8.6:gson-2.8.6.jar:c8fb4839054d280b3033f800d1f5a97de2f028eb8ba2eb458ad287e536f3f25f',
+        'com.google.code.gson:gson:2.8.5:gson-2.8.5.jar:233a0149fc365c9f6edbd683cfe266b19bdc773be98eabdaf6b3c924b48e7d81',
         'com.google.dagger:dagger-compiler:2.33:dagger-compiler-2.33.jar:aa8a0d8370c578fd6999802d0d90b9829377a46d2c1141e11b8f737970e7155e',
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-        'org.jacoco:org.jacoco.agent:0.8.3:org.jacoco.agent-0.8.3.jar:522deb254ee16a04cc8341cc8f335f5cb7232982994d961b9cf3a0454709209f',
+        'org.jetbrains.kotlin:kotlin-reflect:1.3.72:kotlin-reflect-1.3.72.jar:a188d9367de1c4ee9479db630985c0597b20709c83161b1430d24edb27e38c40',
-        'org.jacoco:org.jacoco.ant:0.8.3:org.jacoco.ant-0.8.3.jar:735844e1ae15f9b875b42a27ac5cb61cc26e106d9e839e5d1c6756709b424ce0',
+        'org.jetbrains.kotlin:kotlin-stdlib-common:1.3.72:kotlin-stdlib-common-1.3.72.jar:5e7d1552863e480c1628b1cc39ce230ef829f5b7230106215a05acda5172203a',
-        'org.jacoco:org.jacoco.core:0.8.3:org.jacoco.core-0.8.3.jar:0818437bc060a0c7cc798148f22b713702aae2771aba104444407697d578f1ea',
-        'org.jacoco:org.jacoco.report:0.8.3:org.jacoco.report-0.8.3.jar:aae08fa4ff043c807b8876cdb2d8705eb8449a55efce461baa6c09da245088c1',
-        'org.jetbrains.intellij.deps:trove4j:1.0.20181211:trove4j-1.0.20181211.jar:affb7c85a3c87bdcf69ff1dbb84de11f63dc931293934bc08cd7ab18de083601',
-        'org.jetbrains.kotlin:kotlin-reflect:1.4.32:kotlin-reflect-1.4.32.jar:dbf19e9cdaa9c3c170f3f6f6ce3922f38dfc1d7fa1cab5b7c23a19da8b5eec5b',
         'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.20:kotlin-stdlib-common-1.4.20.jar:a7112c9b3cefee418286c9c9372f7af992bd1e6e030691d52f60cb36dbec8320',
-        'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.32:kotlin-stdlib-common-1.4.32.jar:e1ff6f55ee9e7591dcc633f7757bac25a7edb1cc7f738b37ec652f10f66a4145',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.72:kotlin-stdlib-jdk7-1.3.72.jar:40566c0c08d414b9413ba556ff7f8a0b04b98b9f0f424d122dd2088510efccc4',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.4.32:kotlin-stdlib-jdk7-1.4.32.jar:5f801e75ca27d8791c14b07943c608da27620d910a8093022af57f543d5d98b6',
+        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.72:kotlin-stdlib-jdk8-1.3.72.jar:133da70cfc07b56094282eac5c59bccd59f167ee2ead22e5282876d8bc10bf95',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32:kotlin-stdlib-jdk8-1.4.32.jar:adc43e54757b106e0cd7b3b7aa257dff471b61efdabe067fc02b2f57e2396262',
+        'org.jetbrains.kotlin:kotlin-stdlib:1.3.72:kotlin-stdlib-1.3.72.jar:3856a7349ebacd6d1be6802b2fed9c4dc2c5a564ea92b6b945ac988243d4b16b',
         'org.jetbrains.kotlin:kotlin-stdlib:1.4.20:kotlin-stdlib-1.4.20.jar:b8ab1da5cdc89cb084d41e1f28f20a42bd431538642a5741c52bbfae3fa3e656',
-        'org.jetbrains.kotlin:kotlin-stdlib:1.4.32:kotlin-stdlib-1.4.32.jar:13e9fd3e69dc7230ce0fc873a92a4e5d521d179bcf1bef75a6705baac3bfecba',
         'org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.1.0:kotlinx-metadata-jvm-0.1.0.jar:9753bb39efef35957c5c15df9a3cb769aabf2cdfa74b47afcb7760e5146be3b5',
+        'org.jetbrains.trove4j:trove4j:20160824:trove4j-20160824.jar:1917871c8deb468307a584680c87a44572f5a8b0b98c6d397fc0f5f86596dbe7',
         'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
         'org.jmock:jmock-imposters:2.12.0:jmock-imposters-2.12.0.jar:3b836269745a137c9b2347e8d7c2104845b126ef04f012d6bfd94f1a7dea7b09',
         'org.jmock:jmock-junit4:2.12.0:jmock-junit4-2.12.0.jar:3233062fc889637c151a24f1ee086bad04321ab7d8264fef279daff0fa27205b',
         'org.jmock:jmock-legacy:2.12.0:jmock-legacy-2.12.0.jar:dea3a9cca653d082e2fe7e40232e982fe03a9984c7d67ceff24f3e03fe580dcd',
         'org.jmock:jmock-testjar:2.12.0:jmock-testjar-2.12.0.jar:efefbcf6cd294d0e29f0c46eb2a3380d4ca4e1763ff719c69e2f2ac62f564a04',
         'org.jmock:jmock:2.12.0:jmock-2.12.0.jar:266d07314c0cd343c46ff8a55601272de8cf406807caf55e6f313295f83d10be',
-        'org.junit.jupiter:junit-jupiter-api:5.7.0:junit-jupiter-api-5.7.0.jar:b03f78e0daeed2d77a0af9bcd662b4cdb9693f7ee72e01a539b508b84c63d182',
+        'org.jvnet.staxex:stax-ex:1.8:stax-ex-1.8.jar:95b05d9590af4154c6513b9c5dc1fb2e55b539972ba0a9ef28e9a0c01d83ad77',
-        'org.junit.jupiter:junit-jupiter-engine:5.7.0:junit-jupiter-engine-5.7.0.jar:dfa26af94644ac2612dde6625852fcb550a0d21caa243257de54cba738ba87af',
-        'org.junit.platform:junit-platform-commons:1.7.0:junit-platform-commons-1.7.0.jar:5330ee87cc7586e6e25175a34e9251624ff12ff525269d3415d0b4ca519b6fea',
-        'org.junit.platform:junit-platform-engine:1.7.0:junit-platform-engine-1.7.0.jar:75f21a20dc594afdc875736725b408cec6d0344874d29f34b2dd3075500236f2',
-        'org.junit.platform:junit-platform-launcher:1.7.0:junit-platform-launcher-1.7.0.jar:fbdc748fde4c4279fe1d3c607447cb3b7ccd45d7338fc574f8a894ddf2d16818',
-        'org.jvnet.staxex:stax-ex:1.8.1:stax-ex-1.8.1.jar:20522549056e9e50aa35ef0b445a2e47a53d06be0b0a9467d704e2483ffb049a',
         'org.objenesis:objenesis:3.0.1:objenesis-3.0.1.jar:7a8ff780b9ff48415d7c705f60030b0acaa616e7f823c98eede3b63508d4e984',
-        'org.opentest4j:opentest4j:1.2.0:opentest4j-1.2.0.jar:58812de60898d976fb81ef3b62da05c6604c18fd4a249f5044282479fc286af2',
         'org.ow2.asm:asm-analysis:7.0:asm-analysis-7.0.jar:e981f8f650c4d900bb033650b18e122fa6b161eadd5f88978d08751f72ee8474',
         'org.ow2.asm:asm-commons:7.0:asm-commons-7.0.jar:fed348ef05958e3e846a3ac074a12af5f7936ef3d21ce44a62c4fa08a771927d',
         'org.ow2.asm:asm-tree:7.0:asm-tree-7.0.jar:cfd7a0874f9de36a999c127feeadfbfe6e04d4a71ee954d7af3d853f0be48a6c',
         'org.ow2.asm:asm-util:7.0:asm-util-7.0.jar:75fbbca440ef463f41c2b0ab1a80abe67e910ac486da60a7863cbcb5bae7e145',
         'org.ow2.asm:asm:7.0:asm-7.0.jar:b88ef66468b3c978ad0c97fd6e90979e56155b4ac69089ba7a44e9aa7ffe9acf',
         'org.ow2.asm:asm:7.1:asm-7.1.jar:4ab2fa2b6d2cc9ccb1eaa05ea329c407b47b13ed2915f62f8c4b8cc96258d4de',
-        'org.testng:testng:7.3.0:testng-7.3.0.jar:63727488f9717d57f0d0a0fee5a1fc10a2be9cfcff2ec3a7187656d663c0774e',
-        'xerces:xercesImpl:2.12.0:xercesImpl-2.12.0.jar:b50d3a4ca502faa4d1c838acb8aa9480446953421f7327e338c5dda3da5e76d0',
-        'xml-apis:xml-apis:1.4.01:xml-apis-1.4.01.jar:a840968176645684bb01aed376e067ab39614885f9eee44abe35a5f20ebe7fad',
     ]
 }

bramble-api/build.gradle

@@ -3,6 +3,7 @@ sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
 apply plugin: 'ru.vyarus.animalsniffer'
+apply plugin: 'checkstyle'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
 
@@ -13,6 +14,7 @@ dependencies {
 	testImplementation "junit:junit:$junit_version"
 	testImplementation "org.jmock:jmock:$jmock_version"
 	testImplementation "org.jmock:jmock-junit4:$jmock_version"
+	testImplementation "org.jmock:jmock-legacy:$jmock_version"
 
 	signature 'org.codehaus.mojo.signature:java16:1.1@signature'
 }

bramble-api/src/main/java/org/briarproject/bramble/api/FeatureFlags.java

@@ -10,10 +10,4 @@ public interface FeatureFlags {
 	boolean shouldEnableProfilePictures();
 
 	boolean shouldEnableDisappearingMessages();
-
-	boolean shouldEnablePrivateGroupsInCore();
-
-	boolean shouldEnableForumsInCore();
-
-	boolean shouldEnableBlogsInCore();
 }

bramble-api/src/main/java/org/briarproject/bramble/api/WeakSingletonProvider.java

@@ -1,35 +0,0 @@
-package org.briarproject.bramble.api;
-
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import java.lang.ref.WeakReference;
-
-import javax.annotation.concurrent.GuardedBy;
-import javax.inject.Provider;
-
-/**
- * A {@link Provider} that keeps a {@link WeakReference} to the last provided
- * instance and provides the same instance again until the instance is garbage
- * collected.
- */
-@NotNullByDefault
-public abstract class WeakSingletonProvider<T> implements Provider<T> {
-
-	private final Object lock = new Object();
-	@GuardedBy("lock")
-	private WeakReference<T> ref = new WeakReference<>(null);
-
-	@Override
-	public T get() {
-		synchronized (lock) {
-			T instance = ref.get();
-			if (instance == null) {
-				instance = createInstance();
-				ref = new WeakReference<>(instance);
-			}
-			return instance;
-		}
-	}
-
-	public abstract T createInstance();
-}

bramble-api/src/main/java/org/briarproject/bramble/api/cleanup/CleanupHook.java

@@ -21,8 +21,9 @@ public interface CleanupHook {
 	 * <p>
 	 * The callee is not required to delete the messages, but the hook won't be
 	 * called again for these messages unless another cleanup timer is set (see
-	 * {@link DatabaseComponent#setCleanupTimerDuration(Transaction, MessageId, long)}
+	 * {@link DatabaseComponent#setCleanupTimerDuration(Transaction, MessageId,
-	 * and {@link DatabaseComponent#startCleanupTimer(Transaction, MessageId)}).
+	 * long)} and {@link DatabaseComponent#startCleanupTimer(Transaction,
+	 * MessageId)}).
 	 */
 	void deleteMessages(Transaction txn, GroupId g,
 			Collection<MessageId> messageIds) throws DbException;

bramble-api/src/main/java/org/briarproject/bramble/api/cleanup/CleanupManager.java

@@ -18,8 +18,8 @@ import org.briarproject.bramble.api.sync.MessageId;
  * {@link CleanupTimerStartedEvent CleanupTimerStartedEvents} broadcast by the
  * {@link DatabaseComponent}.
  * <p>
- * See {@link DatabaseComponent#setCleanupTimerDuration(Transaction, MessageId, long)},
+ * See {@link DatabaseComponent#setCleanupTimerDuration(Transaction, MessageId,
- * {@link DatabaseComponent#startCleanupTimer(Transaction, MessageId)},
+ * long)}, {@link DatabaseComponent#startCleanupTimer(Transaction, MessageId)},
  * {@link DatabaseComponent#stopCleanupTimer(Transaction, MessageId)}.
  */
 @NotNullByDefault

bramble-api/src/main/java/org/briarproject/bramble/api/client/ClientHelper.java

@@ -128,7 +128,7 @@ public interface ClientHelper {
 	 * group.
 	 */
 	ContactId getContactId(Transaction txn, GroupId contactGroupId)
-			throws DbException;
+			throws DbException, FormatException;
 
 	/**
 	 * Stores the given contact ID in the group metadata of the given contact

bramble-api/src/main/java/org/briarproject/bramble/api/contact/ContactManager.java

@@ -107,32 +107,6 @@ public interface ContactManager {
 	 */
 	String getHandshakeLink() throws DbException;
 
-	/**
-	 * Returns the handshake link that needs to be sent to a contact we want
-	 * to add.
-	 */
-	String getHandshakeLink(Transaction txn) throws DbException;
-
-	/**
-	 * Creates a {@link PendingContact} from the given handshake link and
-	 * alias, adds it to the database and returns it.
-	 *
-	 * @param link The handshake link received from the pending contact
-	 * @param alias The alias the user has given this pending contact
-	 * @throws UnsupportedVersionException If the link uses a format version
-	 * that is not supported
-	 * @throws FormatException If the link is invalid
-	 * @throws GeneralSecurityException If the pending contact's handshake
-	 * public key is invalid
-	 * @throws ContactExistsException If a contact with the same handshake
-	 * public key already exists
-	 * @throws PendingContactExistsException If a pending contact with the same
-	 * handshake public key already exists
-	 */
-	PendingContact addPendingContact(Transaction txn, String link, String alias)
-			throws DbException, FormatException, GeneralSecurityException,
-			ContactExistsException, PendingContactExistsException;
-
 	/**
 	 * Creates a {@link PendingContact} from the given handshake link and
 	 * alias, adds it to the database and returns it.
@@ -166,13 +140,6 @@ public interface ContactManager {
 	Collection<Pair<PendingContact, PendingContactState>> getPendingContacts()
 			throws DbException;
 
-	/**
-	 * Returns a list of {@link PendingContact PendingContacts} and their
-	 * {@link PendingContactState states}.
-	 */
-	Collection<Pair<PendingContact, PendingContactState>> getPendingContacts(Transaction txn)
-			throws DbException;
-
 	/**
 	 * Removes a {@link PendingContact}.
 	 */

bramble-api/src/main/java/org/briarproject/bramble/api/crypto/CryptoComponent.java

@@ -170,11 +170,4 @@ public interface CryptoComponent {
 	 * length. The line terminator is CRLF.
 	 */
 	String asciiArmour(byte[] b, int lineLength);
-
-	/**
-	 * Encode the onion/hidden service address given its public key. As
-	 * specified here: https://gitweb.torproject.org/torspec.git/tree/rend-spec-v3.txt?id=29245fd5#n2135
-	 */
-	String encodeOnionAddress(byte[] publicKey);
-
 }

bramble-api/src/main/java/org/briarproject/bramble/api/db/DatabaseComponent.java

@@ -471,14 +471,6 @@ public interface DatabaseComponent extends TransactionManager {
 	Map<MessageId, Integer> getUnackedMessagesToSend(Transaction txn,
 			ContactId c) throws DbException;
 
-	/**
-	 * Reset the transmission count, expiry time and ETA of all messages that
-	 * are eligible to be sent to the given contact. This includes messages that
-	 * have already been sent and are not yet due for retransmission.
-	 */
-	void resetUnackedMessagesToSend(Transaction txn, ContactId c)
-			throws DbException;
-
 	/**
 	 * Returns the total length, including headers, of all messages that are
 	 * eligible to be sent to the given contact. This may include messages

bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxProperties.java

@@ -1,32 +0,0 @@
-package org.briarproject.bramble.api.mailbox;
-
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import javax.annotation.concurrent.Immutable;
-
-@Immutable
-@NotNullByDefault
-public class MailboxProperties {
-
-	private final String onionAddress, authToken;
-	private final boolean owner;
-
-	public MailboxProperties(String onionAddress, String authToken,
-			boolean owner) {
-		this.onionAddress = onionAddress;
-		this.authToken = authToken;
-		this.owner = owner;
-	}
-
-	public String getOnionAddress() {
-		return onionAddress;
-	}
-
-	public String getAuthToken() {
-		return authToken;
-	}
-
-	public boolean isOwner() {
-		return owner;
-	}
-}

bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxSettingsManager.java

@@ -1,33 +0,0 @@
-package org.briarproject.bramble.api.mailbox;
-
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.db.DbException;
-import org.briarproject.bramble.api.db.Transaction;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import javax.annotation.Nullable;
-
-@NotNullByDefault
-public interface MailboxSettingsManager {
-
-	@Nullable
-	MailboxProperties getOwnMailboxProperties(Transaction txn)
-			throws DbException;
-
-	void setOwnMailboxProperties(Transaction txn, MailboxProperties p)
-			throws DbException;
-
-	MailboxStatus getOwnMailboxStatus(Transaction txn) throws DbException;
-
-	void recordSuccessfulConnection(Transaction txn, long now)
-			throws DbException;
-
-	void recordFailedConnectionAttempt(Transaction txn, long now)
-			throws DbException;
-
-	void setPendingUpload(Transaction txn, ContactId id,
-			@Nullable String filename) throws DbException;
-
-	@Nullable
-	String getPendingUpload(Transaction txn, ContactId id) throws DbException;
-}

bramble-api/src/main/java/org/briarproject/bramble/api/mailbox/MailboxStatus.java

@@ -1,59 +0,0 @@
-package org.briarproject.bramble.api.mailbox;
-
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import javax.annotation.concurrent.Immutable;
-
-@Immutable
-@NotNullByDefault
-public class MailboxStatus {
-
-	private final long lastAttempt, lastSuccess;
-	private final int attemptsSinceSuccess;
-
-	public MailboxStatus(long lastAttempt, long lastSuccess,
-			int attemptsSinceSuccess) {
-		this.lastAttempt = lastAttempt;
-		this.lastSuccess = lastSuccess;
-		this.attemptsSinceSuccess = attemptsSinceSuccess;
-	}
-
-	/**
-	 * Returns the time of the last attempt to connect to the mailbox, in
-	 * milliseconds since the Unix epoch, or -1 if no attempt has been made.
-	 * <p>
-	 * If an attempt is in progress and has not yet succeeded or failed then
-	 * this method returns the time of the previous attempt, or -1 if the
-	 * current attempt is the first.
-	 */
-	public long getTimeOfLastAttempt() {
-		return lastAttempt;
-	}
-
-	/**
-	 * Returns the time of the last successful attempt to connect to the
-	 * mailbox, in milliseconds since the Unix epoch, or -1 if no attempt has
-	 * succeeded.
-	 * <p>
-	 * If the last attempt was successful then this method returns the same
-	 * value as {@link #getTimeOfLastAttempt()}. If an attempt is in progress
-	 * and has not yet succeeded or failed then this method returns the time
-	 * of the previous successful connection, or -1 if no attempt has
-	 * succeeded.
-	 */
-	public long getTimeOfLastSuccess() {
-		return lastSuccess;
-	}
-
-	/**
-	 * Returns the number of attempts to connect to the mailbox that have
-	 * failed since the last attempt succeeded, or the number of attempts that
-	 * have been made, if no attempt has ever succeeded.
-	 * <p>
-	 * If an attempt is in progress and has not yet succeeded or failed then
-	 * it is not included in this count.
-	 */
-	public int getAttemptsSinceSuccess() {
-		return attemptsSinceSuccess;
-	}
-}

bramble-api/src/main/java/org/briarproject/bramble/api/plugin/TorConstants.java

@@ -1,10 +1,13 @@
 package org.briarproject.bramble.api.plugin;
 
+import static java.util.concurrent.TimeUnit.DAYS;
+
 public interface TorConstants {
 
 	TransportId ID = new TransportId("org.briarproject.bramble.tor");
 
 	// Transport properties
+	String PROP_ONION_V2 = "onion";
 	String PROP_ONION_V3 = "onion3";
 
 	int DEFAULT_SOCKS_PORT = 59050;
@@ -18,7 +21,14 @@ public interface TorConstants {
 	String PREF_TOR_PORT = "port";
 	String PREF_TOR_MOBILE = "useMobileData";
 	String PREF_TOR_ONLY_WHEN_CHARGING = "onlyWhenCharging";
+	String HS_PRIVATE_KEY_V2 = "onionPrivKey";
 	String HS_PRIVATE_KEY_V3 = "onionPrivKey3";
+	String HS_V3_CREATED = "onionPrivKey3Created";
+
+	/**
+	 * How long to publish a v3 hidden service before retiring the v2 service.
+	 */
+	long V3_MIGRATION_PERIOD_MS = DAYS.toMillis(180);
 
 	// Values for PREF_TOR_NETWORK
 	int PREF_TOR_NETWORK_AUTOMATIC = 0;

bramble-api/src/main/java/org/briarproject/bramble/api/settings/SettingsManager.java

@@ -22,11 +22,4 @@ public interface SettingsManager {
 	 * namespace.
 	 */
 	void mergeSettings(Settings s, String namespace) throws DbException;
-
-	/**
-	 * Merges the given settings with any existing settings in the given
-	 * namespace.
-	 */
-	void mergeSettings(Transaction txn, Settings s, String namespace)
-			throws DbException;
 }

bramble-api/src/main/java/org/briarproject/bramble/api/system/TaskScheduler.java

@@ -35,8 +35,8 @@ public interface TaskScheduler {
 
 		/**
 		 * Cancels the task if it has not already started running. If the task
-		 * is {@link #scheduleWithFixedDelay(Runnable, Executor, long, long, TimeUnit) periodic},
+		 * is {@link #scheduleWithFixedDelay(Runnable, Executor, long, long,
-		 * all future executions of the task are cancelled.
+		 * TimeUnit) periodic}, all future executions of the task are cancelled.
 		 */
 		void cancel();
 	}

bramble-api/src/main/java/org/briarproject/bramble/api/transport/KeyManager.java

@@ -113,25 +113,9 @@ public interface KeyManager {
 	/**
 	 * Looks up the given tag and returns a {@link StreamContext} for reading
 	 * from the corresponding stream, or null if an error occurs or the tag was
-	 * unexpected. Marks the tag as recognised and updates the reordering
+	 * unexpected.
-	 * window.
 	 */
 	@Nullable
 	StreamContext getStreamContext(TransportId t, byte[] tag)
 			throws DbException;
-
-	/**
-	 * Looks up the given tag and returns a {@link StreamContext} for reading
-	 * from the corresponding stream, or null if an error occurs or the tag was
-	 * unexpected. Only returns the StreamContext; does not mark the tag as
-	 * recognised.
-	 */
-	@Nullable
-	StreamContext getStreamContextOnly(TransportId t, byte[] tag)
-			throws DbException;
-
-	/**
-	 * Marks the tag as recognised and updates the reordering window.
-	 */
-	void markTagAsRecognised(TransportId t, byte[] tag) throws DbException;
 }

bramble-api/src/test/java/org/briarproject/bramble/test/BrambleMockTestCase.java

@@ -1,17 +1,12 @@
 package org.briarproject.bramble.test;
 
 import org.jmock.Mockery;
-import org.jmock.lib.concurrent.Synchroniser;
 import org.junit.After;
 
 public abstract class BrambleMockTestCase extends BrambleTestCase {
 
 	protected final Mockery context = new Mockery();
 
-	public BrambleMockTestCase() {
-		context.setThreadingPolicy(new Synchroniser());
-	}
-
 	@After
 	public void checkExpectations() {
 		context.assertIsSatisfied();

bramble-api/src/test/java/org/briarproject/bramble/test/TestUtils.java

@@ -31,7 +31,6 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
 import java.util.Random;
 import java.util.concurrent.atomic.AtomicInteger;
@@ -47,7 +46,6 @@ import static org.briarproject.bramble.api.sync.ClientId.MAX_CLIENT_ID_LENGTH;
 import static org.briarproject.bramble.api.sync.SyncConstants.MAX_GROUP_DESCRIPTOR_LENGTH;
 import static org.briarproject.bramble.api.sync.SyncConstants.MAX_MESSAGE_BODY_LENGTH;
 import static org.briarproject.bramble.util.StringUtils.getRandomString;
-import static org.briarproject.bramble.util.StringUtils.toHexString;
 
 public class TestUtils {
 
@@ -211,10 +209,6 @@ public class TestUtils {
 				getAgreementPublicKey(), verified);
 	}
 
-	public static String getMailboxSecret() {
-		return toHexString(getRandomBytes(32)).toLowerCase(Locale.US);
-	}
-
 	public static double getMedian(Collection<? extends Number> samples) {
 		int size = samples.size();
 		if (size == 0) throw new IllegalArgumentException();

bramble-api/witness.gradle

@@ -1,15 +1,29 @@
 dependencyVerification {
     verify = [
+        'antlr:antlr:2.7.7:antlr-2.7.7.jar:88fbda4b912596b9f56e8e12e580cc954bacfb51776ecfddd3e18fc1cf56dc4c',
         'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
         'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
         'com.google.dagger:dagger:2.33:dagger-2.33.jar:d8798c5b8cf6b125234e33af5c6293bb9f2208ce29b57924c35b8c0be7b6bdcb',
+        'com.google.errorprone:error_prone_annotations:2.3.2:error_prone_annotations-2.3.2.jar:357cd6cfb067c969226c442451502aee13800a24e950fdfde77bcdb4565a668d',
+        'com.google.guava:failureaccess:1.0.1:failureaccess-1.0.1.jar:a171ee4c734dd2da837e4b16be9df4661afab72a41adaf31eb84dfdaf936ca26',
+        'com.google.guava:guava:28.1-jre:guava-28.1-jre.jar:30beb8b8527bd07c6e747e77f1a92122c2f29d57ce347461a4a55eb26e382da4',
+        'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
+        'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
+        'com.puppycrawl.tools:checkstyle:8.27:checkstyle-8.27.jar:26c81958a112ebdfc5d7b40507bbfc8f15f606fea1e55ef5675609ddb41a6053',
+        'commons-beanutils:commons-beanutils:1.9.4:commons-beanutils-1.9.4.jar:7d938c81789028045c08c065e94be75fc280527620d5bd62b519d5838532368a',
+        'commons-collections:commons-collections:3.2.2:commons-collections-3.2.2.jar:eeeae917917144a68a741d4c0dff66aa5c5c5fd85593ff217bced3fc8ca783b8',
+        'info.picocli:picocli:4.1.1:picocli-4.1.1.jar:9238b6af4ded57dcfedf6f7dbcf2bdf334dae2f118ea2a0bd6d05066e63ee6fc',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
         'junit:junit:4.13.2:junit-4.13.2.jar:8e495b634469d64fb8acfa3495a065cbacc8a0fff55ce1e31007be4c16dc57d3',
         'net.bytebuddy:byte-buddy:1.9.12:byte-buddy-1.9.12.jar:3688c3d434bebc3edc5516296a2ed0f47b65e451071b4afecad84f902f0efc11',
         'net.jcip:jcip-annotations:1.0:jcip-annotations-1.0.jar:be5805392060c71474bf6c9a67a099471274d30b83eef84bfc4e0889a4f1dcc0',
+        'net.sf.saxon:Saxon-HE:9.9.1-5:Saxon-HE-9.9.1-5.jar:4b39a9e30d5b634b5e91db5f0c6937f176d4517543ababc9b5e01830b8c56620',
+        'org.antlr:antlr4-runtime:4.7.2:antlr4-runtime-4.7.2.jar:4c518b87d4bdff8b44cd8cbc1af816e944b62a3fe5b80b781501cf1f4759bbc4',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
+        'org.checkerframework:checker-qual:2.8.1:checker-qual-2.8.1.jar:9103499008bcecd4e948da29b17864abb64304e15706444ae209d17ebe0575df',
         'org.codehaus.mojo.signature:java16:1.1:java16-1.1.signature:53799223a2c98dba2d0add810bed76315460df285c69e4f397ae6098f87dd619',
+        'org.codehaus.mojo:animal-sniffer-annotations:1.18:animal-sniffer-annotations-1.18.jar:47f05852b48ee9baefef80fa3d8cea60efa4753c0013121dd7fe5eef2e5c729d',
         'org.codehaus.mojo:animal-sniffer-ant-tasks:1.20:animal-sniffer-ant-tasks-1.20.jar:bb7d2498144118311d968bb08ff6fae3fc535fb1cb9cca8b8e9ea65b189422ac',
         'org.codehaus.mojo:animal-sniffer:1.20:animal-sniffer-1.20.jar:80c422523c38db91260c6d78e5ee4b012862ab61cc55020c9e243dd7b5c62249',
         'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',

bramble-core/build.gradle

@@ -3,6 +3,7 @@ sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
 apply plugin: 'ru.vyarus.animalsniffer'
+apply plugin: 'checkstyle'
 apply plugin: 'idea'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
@@ -10,18 +11,13 @@ apply from: '../dagger.gradle'
 
 dependencies {
 	implementation project(path: ':bramble-api', configuration: 'default')
-	implementation 'org.bouncycastle:bcprov-jdk15to18:1.70'
+	implementation 'org.bouncycastle:bcprov-jdk15on:1.69'
-	//noinspection GradleDependency
 	implementation 'com.h2database:h2:1.4.192' // The last version that supports Java 1.6
 	implementation 'org.bitlet:weupnp:0.1.4'
 	implementation 'net.i2p.crypto:eddsa:0.2.0'
 	implementation 'org.whispersystems:curve25519-java:0.5.0'
 	implementation 'org.briarproject:jtorctl:0.3'
 
-	//noinspection GradleDependency
-	implementation "com.squareup.okhttp3:okhttp:$okhttp_version"
-	implementation "com.fasterxml.jackson.core:jackson-databind:$jackson_version"
-
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
 	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
@@ -30,8 +26,7 @@ dependencies {
 	testImplementation "junit:junit:$junit_version"
 	testImplementation "org.jmock:jmock:$jmock_version"
 	testImplementation "org.jmock:jmock-junit4:$jmock_version"
-	testImplementation "org.jmock:jmock-imposters:$jmock_version"
+	testImplementation "org.jmock:jmock-legacy:$jmock_version"
-	testImplementation "com.squareup.okhttp3:mockwebserver:4.9.3"
 
 	testAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 

bramble-core/src/main/java/org/briarproject/bramble/BrambleCoreModule.java

@@ -14,7 +14,6 @@ import org.briarproject.bramble.identity.IdentityModule;
 import org.briarproject.bramble.io.IoModule;
 import org.briarproject.bramble.keyagreement.KeyAgreementModule;
 import org.briarproject.bramble.lifecycle.LifecycleModule;
-import org.briarproject.bramble.mailbox.MailboxModule;
 import org.briarproject.bramble.plugin.PluginModule;
 import org.briarproject.bramble.properties.PropertiesModule;
 import org.briarproject.bramble.record.RecordModule;
@@ -44,7 +43,6 @@ import dagger.Module;
 		IoModule.class,
 		KeyAgreementModule.class,
 		LifecycleModule.class,
-		MailboxModule.class,
 		PluginModule.class,
 		PropertiesModule.class,
 		RecordModule.class,

bramble-core/src/main/java/org/briarproject/bramble/contact/ContactManagerImpl.java

@@ -121,39 +121,28 @@ class ContactManagerImpl implements ContactManager, EventListener {
 
 	@Override
 	public String getHandshakeLink() throws DbException {
-		return db.transactionWithResult(true, this::getHandshakeLink);
+		KeyPair keyPair = db.transactionWithResult(true,
-	}
+				identityManager::getHandshakeKeys);
-
-	@Override
-	public String getHandshakeLink(Transaction txn) throws DbException {
-		KeyPair keyPair = identityManager.getHandshakeKeys(txn);
 		return pendingContactFactory.createHandshakeLink(keyPair.getPublic());
 	}
 
-	@Override
-	public PendingContact addPendingContact(Transaction txn, String link, String alias)
-			throws DbException, FormatException, GeneralSecurityException {
-		PendingContact p =
-				pendingContactFactory.createPendingContact(link, alias);
-		AuthorId local = identityManager.getLocalAuthor(txn).getId();
-		db.addPendingContact(txn, p, local);
-		KeyPair ourKeyPair = identityManager.getHandshakeKeys(txn);
-		keyManager.addPendingContact(txn, p.getId(), p.getPublicKey(),
-				ourKeyPair);
-		return p;
-	}
-
 	@Override
 	public PendingContact addPendingContact(String link, String alias)
 			throws DbException, FormatException, GeneralSecurityException {
+		PendingContact p =
+				pendingContactFactory.createPendingContact(link, alias);
 		Transaction txn = db.startTransaction(false);
 		try {
-			PendingContact p = addPendingContact(txn, link, alias);
+			AuthorId local = identityManager.getLocalAuthor(txn).getId();
+			db.addPendingContact(txn, p, local);
+			KeyPair ourKeyPair = identityManager.getHandshakeKeys(txn);
+			keyManager.addPendingContact(txn, p.getId(), p.getPublicKey(),
+					ourKeyPair);
 			db.commitTransaction(txn);
-			return p;
 		} finally {
 			db.endTransaction(txn);
 		}
+		return p;
 	}
 
 	@Override
@@ -165,13 +154,8 @@ class ContactManagerImpl implements ContactManager, EventListener {
 	@Override
 	public Collection<Pair<PendingContact, PendingContactState>> getPendingContacts()
 			throws DbException {
-		return db.transactionWithResult(true, this::getPendingContacts);
+		Collection<PendingContact> pendingContacts =
-	}
+				db.transactionWithResult(true, db::getPendingContacts);
-
-	@Override
-	public Collection<Pair<PendingContact, PendingContactState>> getPendingContacts(Transaction txn)
-			throws DbException {
-		Collection<PendingContact> pendingContacts = db.getPendingContacts(txn);
 		List<Pair<PendingContact, PendingContactState>> pairs =
 				new ArrayList<>(pendingContacts.size());
 		for (PendingContact p : pendingContacts) {

bramble-core/src/main/java/org/briarproject/bramble/crypto/CryptoComponentImpl.java

@@ -7,7 +7,6 @@ import net.i2p.crypto.eddsa.KeyPairGenerator;
 import org.bouncycastle.crypto.CryptoException;
 import org.bouncycastle.crypto.Digest;
 import org.bouncycastle.crypto.digests.Blake2bDigest;
-import org.bouncycastle.crypto.digests.SHA3Digest;
 import org.briarproject.bramble.api.crypto.AgreementPrivateKey;
 import org.briarproject.bramble.api.crypto.AgreementPublicKey;
 import org.briarproject.bramble.api.crypto.CryptoComponent;
@@ -22,13 +21,11 @@ import org.briarproject.bramble.api.crypto.SignaturePrivateKey;
 import org.briarproject.bramble.api.crypto.SignaturePublicKey;
 import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.system.SecureRandomProvider;
-import org.briarproject.bramble.util.Base32;
 import org.briarproject.bramble.util.ByteUtils;
 import org.briarproject.bramble.util.StringUtils;
 import org.whispersystems.curve25519.Curve25519;
 import org.whispersystems.curve25519.Curve25519KeyPair;
 
-import java.nio.charset.Charset;
 import java.security.GeneralSecurityException;
 import java.security.NoSuchAlgorithmException;
 import java.security.Provider;
@@ -61,8 +58,6 @@ class CryptoComponentImpl implements CryptoComponent {
 	private static final int PBKDF_SALT_BYTES = 32; // 256 bits
 	private static final byte PBKDF_FORMAT_SCRYPT = 0;
 	private static final byte PBKDF_FORMAT_SCRYPT_STRENGTHENED = 1;
-	private static final byte ONION_HS_PROTOCOL_VERSION = 3;
-	private static final int ONION_CHECKSUM_BYTES = 2;
 
 	private final SecureRandom secureRandom;
 	private final PasswordBasedKdf passwordBasedKdf;
@@ -447,21 +442,4 @@ class CryptoComponentImpl implements CryptoComponent {
 	public String asciiArmour(byte[] b, int lineLength) {
 		return AsciiArmour.wrap(b, lineLength);
 	}
-
-	@Override
-	public String encodeOnionAddress(byte[] publicKey) {
-		Digest digest = new SHA3Digest(256);
-		byte[] label = ".onion checksum".getBytes(Charset.forName("US-ASCII"));
-		digest.update(label, 0, label.length);
-		digest.update(publicKey, 0, publicKey.length);
-		digest.update(ONION_HS_PROTOCOL_VERSION);
-		byte[] checksum = new byte[digest.getDigestSize()];
-		digest.doFinal(checksum, 0);
-		byte[] address = new byte[publicKey.length + ONION_CHECKSUM_BYTES + 1];
-		arraycopy(publicKey, 0, address, 0, publicKey.length);
-		arraycopy(checksum, 0, address, publicKey.length, ONION_CHECKSUM_BYTES);
-		address[address.length - 1] = ONION_HS_PROTOCOL_VERSION;
-		return Base32.encode(address).toLowerCase();
-	}
-
 }

bramble-core/src/main/java/org/briarproject/bramble/db/Database.java

@@ -757,13 +757,6 @@ interface Database<T> {
 	 */
 	void resetExpiryTime(T txn, ContactId c, MessageId m) throws DbException;
 
-	/**
-	 * Resets the transmission count, expiry time and ETA of all messages that
-	 * are eligible to be sent to the given contact. This includes messages that
-	 * have already been sent and are not yet due for retransmission.
-	 */
-	void resetUnackedMessagesToSend(T txn, ContactId c) throws DbException;
-
 	/**
 	 * Sets the cleanup timer duration for the given message. This does not
 	 * start the message's cleanup timer.

bramble-core/src/main/java/org/briarproject/bramble/db/DatabaseComponentImpl.java

@@ -750,15 +750,6 @@ class DatabaseComponentImpl<T> implements DatabaseComponent {
 		return db.getUnackedMessagesToSend(txn, c);
 	}
 
-	@Override
-	public void resetUnackedMessagesToSend(Transaction transaction, ContactId c)
-			throws DbException {
-		T txn = unbox(transaction);
-		if (!db.containsContact(txn, c))
-			throw new NoSuchContactException();
-		db.resetUnackedMessagesToSend(txn, c);
-	}
-
 	@Override
 	public long getUnackedMessageBytesToSend(Transaction transaction,
 			ContactId c) throws DbException {

bramble-core/src/main/java/org/briarproject/bramble/db/JdbcDatabase.java

@@ -429,11 +429,8 @@ abstract class JdbcDatabase implements Database<Connection> {
 			compactAndClose();
 			logDuration(LOG, "Compacting database", start);
 			// Allow the next transaction to reopen the DB
-			connectionsLock.lock();
+			synchronized (connectionsLock) {
-			try {
 				closed = false;
-			} finally {
-				connectionsLock.unlock();
 			}
 			txn = startTransaction();
 			try {
@@ -3293,29 +3290,6 @@ abstract class JdbcDatabase implements Database<Connection> {
 		}
 	}
 
-	@Override
-	public void resetUnackedMessagesToSend(Connection txn, ContactId c)
-			throws DbException {
-		PreparedStatement ps = null;
-		try {
-			String sql = "UPDATE statuses SET expiry = 0, txCount = 0, eta = 0"
-					+ " WHERE contactId = ? AND state = ?"
-					+ " AND groupShared = TRUE AND messageShared = TRUE"
-					+ " AND deleted = FALSE AND seen = FALSE";
-			ps = txn.prepareStatement(sql);
-			ps.setInt(1, c.getInt());
-			ps.setInt(2, DELIVERED.getValue());
-			int affected = ps.executeUpdate();
-			if (affected < 0) {
-				throw new DbStateException();
-			}
-			ps.close();
-		} catch (SQLException e) {
-			tryToClose(ps, LOG, WARNING);
-			throw new DbException(e);
-		}
-	}
-
 	@Override
 	public void setCleanupTimerDuration(Connection txn, MessageId m,
 			long duration) throws DbException {

bramble-core/src/main/java/org/briarproject/bramble/io/IoModule.java

@@ -1,49 +1,18 @@
 package org.briarproject.bramble.io;
 
-import org.briarproject.bramble.api.WeakSingletonProvider;
 import org.briarproject.bramble.api.io.TimeoutMonitor;
 
-import javax.annotation.Nonnull;
 import javax.inject.Singleton;
-import javax.net.SocketFactory;
 
 import dagger.Module;
 import dagger.Provides;
-import okhttp3.Dns;
-import okhttp3.OkHttpClient;
-
-import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 @Module
 public class IoModule {
 
-	private static final int CONNECT_TIMEOUT = 60_000; // Milliseconds
-
 	@Provides
 	@Singleton
 	TimeoutMonitor provideTimeoutMonitor(TimeoutMonitorImpl timeoutMonitor) {
 		return timeoutMonitor;
 	}
-
-	// Share an HTTP client instance between requests where possible, while
-	// allowing the client to be garbage-collected between requests. The
-	// provider keeps a weak reference to the last client instance and reuses
-	// the instance until it gets garbage-collected. See
-	// https://medium.com/@leandromazzuquini/if-you-are-using-okhttp-you-should-know-this-61d68e065a2b
-	@Provides
-	@Singleton
-	WeakSingletonProvider<OkHttpClient> provideOkHttpClientProvider(
-			SocketFactory torSocketFactory, Dns noDnsLookups) {
-		return new WeakSingletonProvider<OkHttpClient>() {
-			@Override
-			@Nonnull
-			public OkHttpClient createInstance() {
-				return new OkHttpClient.Builder()
-						.socketFactory(torSocketFactory)
-						.dns(noDnsLookups) // Don't make local DNS lookups
-						.connectTimeout(CONNECT_TIMEOUT, MILLISECONDS)
-						.build();
-			}
-		};
-	}
 }

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxApi.java

@@ -1,88 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import com.fasterxml.jackson.databind.annotation.JsonSerialize;
-
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-
-import java.io.IOException;
-import java.util.Collection;
-
-import javax.annotation.concurrent.Immutable;
-
-interface MailboxApi {
-
-	/**
-	 * Sets up the mailbox with the setup token.
-	 *
-	 * @param properties MailboxProperties with the setup token
-	 * @return the owner token
-	 * @throws ApiException for 401 response.
-	 */
-	String setup(MailboxProperties properties)
-			throws IOException, ApiException;
-
-	/**
-	 * Checks the status of the mailbox.
-	 *
-	 * @return true if the status is OK, false otherwise.
-	 * @throws ApiException for 401 response.
-	 */
-	boolean checkStatus(MailboxProperties properties)
-			throws IOException, ApiException;
-
-	/**
-	 * Adds a new contact to the mailbox.
-	 *
-	 * @throws TolerableFailureException if response code is 409
-	 * (contact was already added).
-	 */
-	void addContact(MailboxProperties properties, MailboxContact contact)
-			throws IOException, ApiException, TolerableFailureException;
-
-	/**
-	 * Deletes a contact from the mailbox.
-	 * This should get called after a contact was removed from Briar.
-	 *
-	 * @throws TolerableFailureException if response code is 404
-	 * (contact probably was already deleted).
-	 */
-	void deleteContact(MailboxProperties properties, ContactId contactId)
-			throws IOException, ApiException, TolerableFailureException;
-
-	/**
-	 * Gets a list of {@link ContactId}s from the mailbox.
-	 * These are the contacts that the mailbox already knows about.
-	 */
-	Collection<ContactId> getContacts(MailboxProperties properties)
-			throws IOException, ApiException;
-
-	@Immutable
-	@JsonSerialize
-	class MailboxContact {
-		public final int contactId;
-		public final String token, inboxId, outboxId;
-
-		MailboxContact(ContactId contactId,
-				String token,
-				String inboxId,
-				String outboxId) {
-			this.contactId = contactId.getInt();
-			this.token = token;
-			this.inboxId = inboxId;
-			this.outboxId = outboxId;
-		}
-	}
-
-	@Immutable
-	class ApiException extends Exception {
-	}
-
-	/**
-	 * A failure that does not need to be retried,
-	 * e.g. when adding a contact that already exists.
-	 */
-	@Immutable
-	class TolerableFailureException extends Exception {
-	}
-}

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxApiImpl.java

@@ -1,172 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import com.fasterxml.jackson.core.JacksonException;
-import com.fasterxml.jackson.databind.JsonNode;
-import com.fasterxml.jackson.databind.json.JsonMapper;
-
-import org.briarproject.bramble.api.WeakSingletonProvider;
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.List;
-
-import javax.inject.Inject;
-
-import okhttp3.MediaType;
-import okhttp3.OkHttpClient;
-import okhttp3.Request;
-import okhttp3.RequestBody;
-import okhttp3.Response;
-import okhttp3.ResponseBody;
-
-import static com.fasterxml.jackson.databind.MapperFeature.BLOCK_UNSAFE_POLYMORPHIC_BASE_TYPES;
-import static java.util.Objects.requireNonNull;
-import static okhttp3.internal.Util.EMPTY_REQUEST;
-import static org.briarproject.bramble.util.StringUtils.fromHexString;
-
-@NotNullByDefault
-class MailboxApiImpl implements MailboxApi {
-
-	private final WeakSingletonProvider<OkHttpClient> httpClientProvider;
-	private final JsonMapper mapper = JsonMapper.builder()
-			.enable(BLOCK_UNSAFE_POLYMORPHIC_BASE_TYPES)
-			.build();
-	private static final MediaType JSON =
-			requireNonNull(MediaType.parse("application/json; charset=utf-8"));
-
-	@Inject
-	MailboxApiImpl(WeakSingletonProvider<OkHttpClient> httpClientProvider) {
-		this.httpClientProvider = httpClientProvider;
-	}
-
-	@Override
-	public String setup(MailboxProperties properties)
-			throws IOException, ApiException {
-		if (!properties.isOwner()) throw new IllegalArgumentException();
-		Request request = getRequestBuilder(properties.getAuthToken())
-				.url(properties.getOnionAddress() + "/setup")
-				.put(EMPTY_REQUEST)
-				.build();
-		OkHttpClient client = httpClientProvider.get();
-		Response response = client.newCall(request).execute();
-		// TODO consider throwing a special exception for the 401 case
-		if (response.code() == 401) throw new ApiException();
-		if (!response.isSuccessful()) throw new ApiException();
-		ResponseBody body = response.body();
-		if (body == null) throw new ApiException();
-		try {
-			JsonNode node = mapper.readTree(body.string());
-			JsonNode tokenNode = node.get("token");
-			if (tokenNode == null) {
-				throw new ApiException();
-			}
-			String ownerToken = tokenNode.textValue();
-			if (ownerToken == null || !isValidToken(ownerToken)) {
-				throw new ApiException();
-			}
-			return ownerToken;
-		} catch (JacksonException e) {
-			throw new ApiException();
-		}
-	}
-
-	private boolean isValidToken(String token) {
-		if (token.length() != 64) return false;
-		try {
-			// try to convert to bytes
-			fromHexString(token);
-			return true;
-		} catch (IllegalArgumentException e) {
-			return false;
-		}
-	}
-
-	@Override
-	public boolean checkStatus(MailboxProperties properties)
-			throws IOException, ApiException {
-		if (!properties.isOwner()) throw new IllegalArgumentException();
-		Response response = sendGetRequest(properties, "/status");
-		if (response.code() == 401) throw new ApiException();
-		return response.isSuccessful();
-	}
-
-	@Override
-	public void addContact(MailboxProperties properties, MailboxContact contact)
-			throws IOException, ApiException,
-			TolerableFailureException {
-		if (!properties.isOwner()) throw new IllegalArgumentException();
-		byte[] bodyBytes = mapper.writeValueAsBytes(contact);
-		RequestBody body = RequestBody.create(JSON, bodyBytes);
-		Request request = getRequestBuilder(properties.getAuthToken())
-				.url(properties.getOnionAddress() + "/contacts")
-				.post(body)
-				.build();
-		OkHttpClient client = httpClientProvider.get();
-		Response response = client.newCall(request).execute();
-		if (response.code() == 409) throw new TolerableFailureException();
-		if (!response.isSuccessful()) throw new ApiException();
-	}
-
-	@Override
-	public void deleteContact(MailboxProperties properties, ContactId contactId)
-			throws IOException, ApiException, TolerableFailureException {
-		if (!properties.isOwner()) throw new IllegalArgumentException();
-		String url = properties.getOnionAddress() + "/contacts/" +
-				contactId.getInt();
-		Request request = getRequestBuilder(properties.getAuthToken())
-				.delete()
-				.url(url)
-				.build();
-		OkHttpClient client = httpClientProvider.get();
-		Response response = client.newCall(request).execute();
-		if (response.code() == 404) throw new TolerableFailureException();
-		if (response.code() != 200) throw new ApiException();
-	}
-
-	@Override
-	public Collection<ContactId> getContacts(MailboxProperties properties)
-			throws IOException, ApiException {
-		if (!properties.isOwner()) throw new IllegalArgumentException();
-		Response response = sendGetRequest(properties, "/contacts");
-		if (response.code() != 200) throw new ApiException();
-
-		ResponseBody body = response.body();
-		if (body == null) throw new ApiException();
-		try {
-			JsonNode node = mapper.readTree(body.string());
-			JsonNode contactsNode = node.get("contacts");
-			if (contactsNode == null || !contactsNode.isArray()) {
-				throw new ApiException();
-			}
-			List<ContactId> list = new ArrayList<>();
-			for (JsonNode contactNode : contactsNode) {
-				if (!contactNode.isNumber()) throw new ApiException();
-				int id = contactNode.intValue();
-				if (id < 1) throw new ApiException();
-				list.add(new ContactId(id));
-			}
-			return list;
-		} catch (JacksonException e) {
-			throw new ApiException();
-		}
-	}
-
-	private Response sendGetRequest(MailboxProperties properties, String path)
-			throws IOException {
-		Request request = getRequestBuilder(properties.getAuthToken())
-				.url(properties.getOnionAddress() + path)
-				.build();
-		OkHttpClient client = httpClientProvider.get();
-		return client.newCall(request).execute();
-	}
-
-	private Request.Builder getRequestBuilder(String token) {
-		return new Request.Builder()
-				.addHeader("Authorization", "Bearer " + token);
-	}
-
-}

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxModule.java

@@ -1,16 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.mailbox.MailboxSettingsManager;
-
-import dagger.Module;
-import dagger.Provides;
-
-@Module
-public class MailboxModule {
-
-	@Provides
-	MailboxSettingsManager provideMailboxSettingsManager(
-			MailboxSettingsManagerImpl mailboxSettingsManager) {
-		return mailboxSettingsManager;
-	}
-}

bramble-core/src/main/java/org/briarproject/bramble/mailbox/MailboxSettingsManagerImpl.java

@@ -1,109 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.db.DbException;
-import org.briarproject.bramble.api.db.Transaction;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-import org.briarproject.bramble.api.mailbox.MailboxSettingsManager;
-import org.briarproject.bramble.api.mailbox.MailboxStatus;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-import org.briarproject.bramble.api.settings.Settings;
-import org.briarproject.bramble.api.settings.SettingsManager;
-
-import javax.annotation.Nullable;
-import javax.annotation.concurrent.Immutable;
-import javax.inject.Inject;
-
-import static org.briarproject.bramble.util.StringUtils.isNullOrEmpty;
-
-@Immutable
-@NotNullByDefault
-class MailboxSettingsManagerImpl implements MailboxSettingsManager {
-
-	// Package access for testing
-	static final String SETTINGS_NAMESPACE = "mailbox";
-	static final String SETTINGS_KEY_ONION = "onion";
-	static final String SETTINGS_KEY_TOKEN = "token";
-	static final String SETTINGS_KEY_LAST_ATTEMPT = "lastAttempt";
-	static final String SETTINGS_KEY_LAST_SUCCESS = "lastSuccess";
-	static final String SETTINGS_KEY_ATTEMPTS = "attempts";
-	static final String SETTINGS_UPLOADS_NAMESPACE = "mailbox-uploads";
-
-	private final SettingsManager settingsManager;
-
-	@Inject
-	MailboxSettingsManagerImpl(SettingsManager settingsManager) {
-		this.settingsManager = settingsManager;
-	}
-
-	@Override
-	public MailboxProperties getOwnMailboxProperties(Transaction txn)
-			throws DbException {
-		Settings s = settingsManager.getSettings(txn, SETTINGS_NAMESPACE);
-		String onion = s.get(SETTINGS_KEY_ONION);
-		String token = s.get(SETTINGS_KEY_TOKEN);
-		if (isNullOrEmpty(onion) || isNullOrEmpty(token)) return null;
-		return new MailboxProperties(onion, token, true);
-	}
-
-	@Override
-	public void setOwnMailboxProperties(Transaction txn, MailboxProperties p)
-			throws DbException {
-		Settings s = new Settings();
-		s.put(SETTINGS_KEY_ONION, p.getOnionAddress());
-		s.put(SETTINGS_KEY_TOKEN, p.getAuthToken());
-		settingsManager.mergeSettings(txn, s, SETTINGS_NAMESPACE);
-	}
-
-	@Override
-	public MailboxStatus getOwnMailboxStatus(Transaction txn)
-			throws DbException {
-		Settings s = settingsManager.getSettings(txn, SETTINGS_NAMESPACE);
-		long lastAttempt = s.getLong(SETTINGS_KEY_LAST_ATTEMPT, -1);
-		long lastSuccess = s.getLong(SETTINGS_KEY_LAST_SUCCESS, -1);
-		int attempts = s.getInt(SETTINGS_KEY_ATTEMPTS, 0);
-		return new MailboxStatus(lastAttempt, lastSuccess, attempts);
-	}
-
-	@Override
-	public void recordSuccessfulConnection(Transaction txn, long now)
-			throws DbException {
-		Settings s = new Settings();
-		s.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		s.putLong(SETTINGS_KEY_LAST_SUCCESS, now);
-		s.putInt(SETTINGS_KEY_ATTEMPTS, 0);
-		settingsManager.mergeSettings(txn, s, SETTINGS_NAMESPACE);
-	}
-
-	@Override
-	public void recordFailedConnectionAttempt(Transaction txn, long now)
-			throws DbException {
-		Settings oldSettings =
-				settingsManager.getSettings(txn, SETTINGS_NAMESPACE);
-		int attempts = oldSettings.getInt(SETTINGS_KEY_ATTEMPTS, 0);
-		Settings newSettings = new Settings();
-		newSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		newSettings.putInt(SETTINGS_KEY_ATTEMPTS, attempts + 1);
-		settingsManager.mergeSettings(txn, newSettings, SETTINGS_NAMESPACE);
-	}
-
-	@Override
-	public void setPendingUpload(Transaction txn, ContactId id,
-			@Nullable String filename) throws DbException {
-		Settings s = new Settings();
-		String value = filename == null ? "" : filename;
-		s.put(String.valueOf(id.getInt()), value);
-		settingsManager.mergeSettings(txn, s, SETTINGS_UPLOADS_NAMESPACE);
-	}
-
-	@Nullable
-	@Override
-	public String getPendingUpload(Transaction txn, ContactId id)
-			throws DbException {
-		Settings s =
-				settingsManager.getSettings(txn, SETTINGS_UPLOADS_NAMESPACE);
-		String filename = s.get(String.valueOf(id.getInt()));
-		if (isNullOrEmpty(filename)) return null;
-		return filename;
-	}
-}

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/CircumventionProvider.java

@@ -1,71 +1,40 @@
 package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
 import java.util.List;
 
-@NotNullByDefault
+// TODO: Create a module for this so it doesn't have to be public
-public interface CircumventionProvider {
 
-	enum BridgeType {
+public interface CircumventionProvider {
-		DEFAULT_OBFS4,
-		NON_DEFAULT_OBFS4,
-		MEEK
-	}
 
 	/**
 	 * Countries where Tor is blocked, i.e. vanilla Tor connection won't work.
-	 * <p>
+	 *
 	 * See https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
 	 * and https://trac.torproject.org/projects/tor/wiki/doc/OONI/censorshipwiki
 	 */
-	String[] BLOCKED = {"CN", "IR", "EG", "BY", "TR", "SY", "VE", "RU"};
+	String[] BLOCKED = {"CN", "IR", "EG", "BY", "TR", "SY", "VE"};
 
 	/**
 	 * Countries where obfs4 or meek bridge connections are likely to work.
-	 * Should be a subset of {@link #BLOCKED} and the union of
+	 * Should be a subset of {@link #BLOCKED}.
-	 * {@link #DEFAULT_OBFS4_BRIDGES}, {@link #NON_DEFAULT_OBFS4_BRIDGES} and
-	 * {@link #MEEK_BRIDGES}.
 	 */
-	String[] BRIDGES = {"CN", "IR", "EG", "BY", "TR", "SY", "VE", "RU"};
+	String[] BRIDGES = { "CN", "IR", "EG", "BY", "TR", "SY", "VE" };
-
-	/**
-	 * Countries where default obfs4 bridges are likely to work.
-	 * Should be a subset of {@link #BRIDGES}.
-	 */
-	String[] DEFAULT_OBFS4_BRIDGES = {"EG", "BY", "TR", "SY", "VE"};
-
-	/**
-	 * Countries where non-default obfs4 bridges are likely to work.
-	 * Should be a subset of {@link #BRIDGES}.
-	 */
-	String[] NON_DEFAULT_OBFS4_BRIDGES = {"RU"};
 
 	/**
 	 * Countries where obfs4 bridges won't work and meek is needed.
 	 * Should be a subset of {@link #BRIDGES}.
 	 */
-	String[] MEEK_BRIDGES = {"CN", "IR"};
+	String[] NEEDS_MEEK = {"CN", "IR"};
 
-	/**
-	 * Returns true if vanilla Tor connections are blocked in the given country.
-	 */
 	boolean isTorProbablyBlocked(String countryCode);
 
-	/**
-	 * Returns true if bridge connections of some type work in the given
-	 * country.
-	 */
 	boolean doBridgesWork(String countryCode);
 
-	/**
+	boolean needsMeek(String countryCode);
-	 * Returns the best type of bridge connection for the given country, or
-	 * {@link #DEFAULT_OBFS4_BRIDGES} if no bridge type is known to work.
-	 */
-	BridgeType getBestBridgeType(String countryCode);
 
 	@IoExecutor
-	List<String> getBridges(BridgeType type);
+	List<String> getBridges(boolean meek);
 
 }

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/CircumventionProviderImpl.java

@@ -1,7 +1,6 @@
 package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
 import java.io.InputStream;
 import java.util.ArrayList;
@@ -10,31 +9,24 @@ import java.util.List;
 import java.util.Scanner;
 import java.util.Set;
 
-import javax.annotation.concurrent.Immutable;
+import javax.annotation.Nullable;
 import javax.inject.Inject;
 
 import static java.util.Arrays.asList;
-import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.NON_DEFAULT_OBFS4;
 
-@Immutable
-@NotNullByDefault
 class CircumventionProviderImpl implements CircumventionProvider {
 
 	private final static String BRIDGE_FILE_NAME = "bridges";
 
 	private static final Set<String> BLOCKED_IN_COUNTRIES =
 			new HashSet<>(asList(BLOCKED));
-	private static final Set<String> BRIDGE_COUNTRIES =
+	private static final Set<String> BRIDGES_WORK_IN_COUNTRIES =
 			new HashSet<>(asList(BRIDGES));
-	private static final Set<String> DEFAULT_OBFS4_BRIDGE_COUNTRIES =
+	private static final Set<String> BRIDGES_NEED_MEEK =
-			new HashSet<>(asList(DEFAULT_OBFS4_BRIDGES));
+			new HashSet<>(asList(NEEDS_MEEK));
-	private static final Set<String> NON_DEFAULT_OBFS4_BRIDGE_COUNTRIES =
+
-			new HashSet<>(asList(NON_DEFAULT_OBFS4_BRIDGES));
+	@Nullable
-	private static final Set<String> MEEK_COUNTRIES =
+	private volatile List<String> bridges = null;
-			new HashSet<>(asList(MEEK_BRIDGES));
 
 	@Inject
 	CircumventionProviderImpl() {
@@ -47,42 +39,33 @@ class CircumventionProviderImpl implements CircumventionProvider {
 
 	@Override
 	public boolean doBridgesWork(String countryCode) {
-		return BRIDGE_COUNTRIES.contains(countryCode);
+		return BRIDGES_WORK_IN_COUNTRIES.contains(countryCode);
 	}
 
 	@Override
-	public BridgeType getBestBridgeType(String countryCode) {
+	public boolean needsMeek(String countryCode) {
-		if (DEFAULT_OBFS4_BRIDGE_COUNTRIES.contains(countryCode)) {
+		return BRIDGES_NEED_MEEK.contains(countryCode);
-			return DEFAULT_OBFS4;
-		} else if (NON_DEFAULT_OBFS4_BRIDGE_COUNTRIES.contains(countryCode)) {
-			return NON_DEFAULT_OBFS4;
-		} else if (MEEK_COUNTRIES.contains(countryCode)) {
-			return MEEK;
-		} else {
-			return DEFAULT_OBFS4;
-		}
 	}
 
 	@Override
 	@IoExecutor
-	public List<String> getBridges(BridgeType type) {
+	public List<String> getBridges(boolean useMeek) {
-		InputStream is = requireNonNull(getClass().getClassLoader()
+		List<String> bridges = this.bridges;
-				.getResourceAsStream(BRIDGE_FILE_NAME));
+		if (bridges != null) return new ArrayList<>(bridges);
+
+		InputStream is = getClass().getClassLoader()
+				.getResourceAsStream(BRIDGE_FILE_NAME);
 		Scanner scanner = new Scanner(is);
 
-		List<String> bridges = new ArrayList<>();
+		bridges = new ArrayList<>();
 		while (scanner.hasNextLine()) {
 			String line = scanner.nextLine();
-			boolean isDefaultObfs4 = line.startsWith("d ");
+			boolean isMeekBridge = line.startsWith("Bridge meek");
-			boolean isNonDefaultObfs4 = line.startsWith("n ");
+			if (useMeek && !isMeekBridge || !useMeek && isMeekBridge) continue;
-			boolean isMeek = line.startsWith("m ");
+			if (!line.startsWith("#")) bridges.add(line);
-			if ((type == DEFAULT_OBFS4 && isDefaultObfs4) ||
-					(type == NON_DEFAULT_OBFS4 && isNonDefaultObfs4) ||
-					(type == MEEK && isMeek)) {
-				bridges.add(line.substring(2));
-			}
 		}
 		scanner.close();
+		this.bridges = bridges;
 		return bridges;
 	}
 

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java

@@ -33,7 +33,6 @@ import org.briarproject.bramble.api.settings.event.SettingsUpdatedEvent;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.api.system.LocationUtils;
 import org.briarproject.bramble.api.system.ResourceProvider;
-import org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType;
 
 import java.io.ByteArrayInputStream;
 import java.io.EOFException;
@@ -80,7 +79,9 @@ import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_PLUG
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_TOR_MOBILE;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_TOR_NETWORK;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_TOR_ONLY_WHEN_CHARGING;
+import static org.briarproject.bramble.api.plugin.TorConstants.HS_PRIVATE_KEY_V2;
 import static org.briarproject.bramble.api.plugin.TorConstants.HS_PRIVATE_KEY_V3;
+import static org.briarproject.bramble.api.plugin.TorConstants.HS_V3_CREATED;
 import static org.briarproject.bramble.api.plugin.TorConstants.ID;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_MOBILE;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK;
@@ -89,11 +90,12 @@ import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_WITH_BRIDGES;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_ONLY_WHEN_CHARGING;
 import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_PORT;
+import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V2;
 import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION_V3;
 import static org.briarproject.bramble.api.plugin.TorConstants.REASON_BATTERY;
 import static org.briarproject.bramble.api.plugin.TorConstants.REASON_COUNTRY_BLOCKED;
 import static org.briarproject.bramble.api.plugin.TorConstants.REASON_MOBILE_DATA;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
+import static org.briarproject.bramble.api.plugin.TorConstants.V3_MIGRATION_PERIOD_MS;
 import static org.briarproject.bramble.plugin.tor.TorRendezvousCrypto.SEED_BYTES;
 import static org.briarproject.bramble.util.IoUtils.copyAndClose;
 import static org.briarproject.bramble.util.IoUtils.tryToClose;
@@ -113,6 +115,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	private static final String OWNER = "__OwningControllerProcess";
 	private static final int COOKIE_TIMEOUT_MS = 3000;
 	private static final int COOKIE_POLLING_INTERVAL_MS = 200;
+	private static final Pattern ONION_V2 = Pattern.compile("[a-z2-7]{16}");
 	private static final Pattern ONION_V3 = Pattern.compile("[a-z2-7]{56}");
 
 	private final Executor ioExecutor, wakefulIoExecutor;
@@ -132,8 +135,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	private final int maxIdleTime;
 	private final int socketTimeout;
 	private final File torDirectory, geoIpFile, configFile;
-	private final int torSocksPort;
+	private int torSocksPort;
-	private final int torControlPort;
+	private int torControlPort;
 	private final File doneFile, cookieFile;
 	private final AtomicBoolean used = new AtomicBoolean(false);
 
@@ -281,7 +284,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 					if (LOG.isLoggable(INFO)) listFiles(torDirectory);
 					throw new PluginException();
 				}
-				//noinspection BusyWait
 				Thread.sleep(COOKIE_POLLING_INTERVAL_MS);
 			}
 			LOG.info("Auth cookie created");
@@ -410,7 +412,6 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		append(strb, "RunAsDaemon", 1);
 		append(strb, "SafeSocks", 1);
 		append(strb, "SocksPort", torSocksPort);
-		//noinspection CharsetObjectCanBeUsed
 		return new ByteArrayInputStream(
 				strb.toString().getBytes(Charset.forName("UTF-8")));
 	}
@@ -477,10 +478,54 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 	private void publishHiddenService(String port) {
 		if (!state.isTorRunning()) return;
+		// TODO: Remove support for v2 hidden services after a reasonable
+		// migration period (migration started 2020-06-30)
+		String privKey2 = settings.get(HS_PRIVATE_KEY_V2);
 		String privKey3 = settings.get(HS_PRIVATE_KEY_V3);
+		String v3Created = settings.get(HS_V3_CREATED);
+		// Publish a v2 hidden service if we've already created one, and
+		// either we've never published a v3 hidden service or we're still
+		// in the migration period since first publishing it
+		if (!isNullOrEmpty(privKey2)) {
+			long now = clock.currentTimeMillis();
+			long then = v3Created == null ? now : Long.parseLong(v3Created);
+			if (now - then >= V3_MIGRATION_PERIOD_MS) retireV2HiddenService();
+			else publishV2HiddenService(port, privKey2);
+		}
 		publishV3HiddenService(port, privKey3);
 	}
 
+	private void publishV2HiddenService(String port, String privKey) {
+		LOG.info("Creating v2 hidden service");
+		Map<Integer, String> portLines = singletonMap(80, "127.0.0.1:" + port);
+		Map<String, String> response;
+		try {
+			response = controlConnection.addOnion(privKey, portLines);
+		} catch (IOException e) {
+			logException(LOG, WARNING, e);
+			return;
+		}
+		if (!response.containsKey(HS_ADDRESS)) {
+			LOG.warning("Tor did not return a hidden service address");
+			return;
+		}
+		String onion2 = response.get(HS_ADDRESS);
+		if (LOG.isLoggable(INFO)) {
+			LOG.info("V2 hidden service " + scrubOnion(onion2));
+		}
+		// The hostname has already been published and the private key stored
+	}
+
+	private void retireV2HiddenService() {
+		LOG.info("Retiring v2 hidden service");
+		TransportProperties p = new TransportProperties();
+		p.put(PROP_ONION_V2, "");
+		callback.mergeLocalProperties(p);
+		Settings s = new Settings();
+		s.put(HS_PRIVATE_KEY_V2, "");
+		callback.mergeSettings(s);
+	}
+
 	private void publishV3HiddenService(String port, @Nullable String privKey) {
 		LOG.info("Creating v3 hidden service");
 		Map<Integer, String> portLines = singletonMap(80, "127.0.0.1:" + port);
@@ -517,6 +562,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			// Save the hidden service's private key for next time
 			Settings s = new Settings();
 			s.put(HS_PRIVATE_KEY_V3, response.get(HS_PRIVKEY));
+			s.put(HS_V3_CREATED, String.valueOf(clock.currentTimeMillis()));
 			callback.mergeSettings(s);
 		}
 	}
@@ -544,20 +590,20 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		controlConnection.setConf("DisableNetwork", enable ? "0" : "1");
 	}
 
-	private void enableBridges(boolean enable, BridgeType bridgeType)
+	private void enableBridges(boolean enable, boolean needsMeek)
 			throws IOException {
 		if (enable) {
 			Collection<String> conf = new ArrayList<>();
 			conf.add("UseBridges 1");
 			File obfs4File = getObfs4ExecutableFile();
-			if (bridgeType == MEEK) {
+			if (needsMeek) {
 				conf.add("ClientTransportPlugin meek_lite exec " +
 						obfs4File.getAbsolutePath());
 			} else {
 				conf.add("ClientTransportPlugin obfs4 exec " +
 						obfs4File.getAbsolutePath());
 			}
-			conf.addAll(circumventionProvider.getBridges(bridgeType));
+			conf.addAll(circumventionProvider.getBridges(needsMeek));
 			controlConnection.setConf(conf);
 		} else {
 			controlConnection.setConf("UseBridges", "0");
@@ -623,30 +669,49 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	@Override
 	public DuplexTransportConnection createConnection(TransportProperties p) {
 		if (getState() != ACTIVE) return null;
+		// TODO: Remove support for v2 hidden services after a reasonable
+		// migration period (migration started 2020-06-30)
+		String bestOnion = null, version = null;
+		String onion2 = p.get(PROP_ONION_V2);
 		String onion3 = p.get(PROP_ONION_V3);
-		if (onion3 != null && !ONION_V3.matcher(onion3).matches()) {
+		if (!isNullOrEmpty(onion2)) {
-			// Don't scrub the address so we can find the problem
+			if (ONION_V2.matcher(onion2).matches()) {
-			if (LOG.isLoggable(INFO)) {
+				bestOnion = onion2;
-				LOG.info("Invalid v3 hostname: " + onion3);
+				version = "v2";
+			} else {
+				// Don't scrub the address so we can find the problem
+				if (LOG.isLoggable(INFO))
+					LOG.info("Invalid v2 hostname: " + onion2);
 			}
-			onion3 = null;
 		}
-		if (onion3 == null) return null;
+		if (!isNullOrEmpty(onion3)) {
+			if (ONION_V3.matcher(onion3).matches()) {
+				bestOnion = onion3;
+				version = "v3";
+			} else {
+				// Don't scrub the address so we can find the problem
+				if (LOG.isLoggable(INFO))
+					LOG.info("Invalid v3 hostname: " + onion3);
+			}
+		}
+		if (bestOnion == null) return null;
 		Socket s = null;
 		try {
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Connecting to v3 " + scrubOnion(onion3));
+				LOG.info("Connecting to " + version + " "
+						+ scrubOnion(bestOnion));
 			}
-			s = torSocketFactory.createSocket(onion3 + ".onion", 80);
+			s = torSocketFactory.createSocket(bestOnion + ".onion", 80);
 			s.setSoTimeout(socketTimeout);
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Connected to v3 " + scrubOnion(onion3));
+				LOG.info("Connected to " + version + " "
+						+ scrubOnion(bestOnion));
 			}
 			return new TorTransportConnection(this, s);
 		} catch (IOException e) {
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Could not connect to v3 "
+				LOG.info("Could not connect to " + version + " "
-						+ scrubOnion(onion3) + ": " + e.toString());
+						+ scrubOnion(bestOnion) + ": " + e.toString());
 			}
 			tryToClose(s, LOG, WARNING);
 			return null;
@@ -846,9 +911,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 			int reasonsDisabled = 0;
 			boolean enableNetwork = false, enableBridges = false;
-			boolean enableConnectionPadding = false;
+			boolean useMeek = false, enableConnectionPadding = false;
-			BridgeType bridgeType =
-					circumventionProvider.getBestBridgeType(country);
 
 			if (!online) {
 				LOG.info("Disabling network, device is offline");
@@ -877,10 +940,14 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 					enableNetwork = true;
 					if (network == PREF_TOR_NETWORK_WITH_BRIDGES ||
 							(automatic && bridgesWork)) {
-						if (ipv6Only) bridgeType = MEEK;
+						if (ipv6Only ||
-						enableBridges = true;
+								circumventionProvider.needsMeek(country)) {
-						if (LOG.isLoggable(INFO)) {
+							LOG.info("Using meek bridges");
-							LOG.info("Using bridge type " + bridgeType);
+							enableBridges = true;
+							useMeek = true;
+						} else {
+							LOG.info("Using obfs4 bridges");
+							enableBridges = true;
 						}
 					} else {
 						LOG.info("Not using bridges");
@@ -898,7 +965,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 			try {
 				if (enableNetwork) {
-					enableBridges(enableBridges, bridgeType);
+					enableBridges(enableBridges, useMeek);
 					enableConnectionPadding(enableConnectionPadding);
 					useIpv6(ipv6Only);
 				}
@@ -938,17 +1005,17 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		@Nullable
 		private ServerSocket serverSocket = null;
 
-		private synchronized void setStarted() {
+		synchronized void setStarted() {
 			started = true;
 			callback.pluginStateChanged(getState());
 		}
 
-		private synchronized boolean isTorRunning() {
+		synchronized boolean isTorRunning() {
 			return started && !stopped;
 		}
 
 		@Nullable
-		private synchronized ServerSocket setStopped() {
+		synchronized ServerSocket setStopped() {
 			stopped = true;
 			ServerSocket ss = serverSocket;
 			serverSocket = null;
@@ -956,44 +1023,44 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			return ss;
 		}
 
-		private synchronized void setBootstrapped() {
+		synchronized void setBootstrapped() {
 			bootstrapped = true;
 			callback.pluginStateChanged(getState());
 		}
 
-		private synchronized boolean getAndSetCircuitBuilt() {
+		synchronized boolean getAndSetCircuitBuilt() {
 			boolean firstCircuit = !circuitBuilt;
 			circuitBuilt = true;
 			callback.pluginStateChanged(getState());
 			return firstCircuit;
 		}
 
-		private synchronized void enableNetwork(boolean enable) {
+		synchronized void enableNetwork(boolean enable) {
 			networkInitialised = true;
 			networkEnabled = enable;
 			if (!enable) circuitBuilt = false;
 			callback.pluginStateChanged(getState());
 		}
 
-		private synchronized void setReasonsDisabled(int reasonsDisabled) {
+		synchronized void setReasonsDisabled(int reasonsDisabled) {
 			settingsChecked = true;
 			this.reasonsDisabled = reasonsDisabled;
 			callback.pluginStateChanged(getState());
 		}
 
 		// Doesn't affect getState()
-		private synchronized boolean setServerSocket(ServerSocket ss) {
+		synchronized boolean setServerSocket(ServerSocket ss) {
 			if (stopped || serverSocket != null) return false;
 			serverSocket = ss;
 			return true;
 		}
 
 		// Doesn't affect getState()
-		private synchronized void clearServerSocket(ServerSocket ss) {
+		synchronized void clearServerSocket(ServerSocket ss) {
 			if (serverSocket == ss) serverSocket = null;
 		}
 
-		private synchronized State getState() {
+		synchronized State getState() {
 			if (!started || stopped || !settingsChecked) {
 				return STARTING_STOPPING;
 			}
@@ -1003,7 +1070,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			return bootstrapped && circuitBuilt ? ACTIVE : ENABLING;
 		}
 
-		private synchronized int getReasonsDisabled() {
+		synchronized int getReasonsDisabled() {
 			return getState() == DISABLED ? reasonsDisabled : 0;
 		}
 	}

bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorRendezvousCryptoImpl.java

@@ -4,26 +4,39 @@ import net.i2p.crypto.eddsa.spec.EdDSANamedCurveSpec;
 import net.i2p.crypto.eddsa.spec.EdDSANamedCurveTable;
 import net.i2p.crypto.eddsa.spec.EdDSAPrivateKeySpec;
 
+import org.bouncycastle.crypto.Digest;
+import org.bouncycastle.crypto.digests.SHA3Digest;
 import org.bouncycastle.util.encoders.Base64;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
+import org.briarproject.bramble.util.Base32;
 
 import java.nio.charset.Charset;
 
-class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
+import static java.lang.System.arraycopy;
+
+public class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
 
 	private static final EdDSANamedCurveSpec CURVE_SPEC =
 			EdDSANamedCurveTable.getByName("Ed25519");
 
-	private final CryptoComponent crypto;
+	private static final byte HS_PROTOCOL_VERSION = 3;
-
+	private static final int CHECKSUM_BYTES = 2;
-	TorRendezvousCryptoImpl(CryptoComponent crypto) {
-		this.crypto = crypto;
-	}
 
 	@Override
 	public String getOnionAddress(byte[] seed) {
 		EdDSAPrivateKeySpec spec = new EdDSAPrivateKeySpec(seed, CURVE_SPEC);
-		return crypto.encodeOnionAddress(spec.getA().toByteArray());
+		byte[] publicKey = spec.getA().toByteArray();
+		Digest digest = new SHA3Digest(256);
+		byte[] label = ".onion checksum".getBytes(Charset.forName("US-ASCII"));
+		digest.update(label, 0, label.length);
+		digest.update(publicKey, 0, publicKey.length);
+		digest.update(HS_PROTOCOL_VERSION);
+		byte[] checksum = new byte[digest.getDigestSize()];
+		digest.doFinal(checksum, 0);
+		byte[] address = new byte[publicKey.length + CHECKSUM_BYTES + 1];
+		arraycopy(publicKey, 0, address, 0, publicKey.length);
+		arraycopy(checksum, 0, address, publicKey.length, CHECKSUM_BYTES);
+		address[address.length - 1] = HS_PROTOCOL_VERSION;
+		return Base32.encode(address).toLowerCase();
 	}
 
 	@Override

bramble-core/src/main/java/org/briarproject/bramble/settings/SettingsManagerImpl.java

@@ -37,10 +37,4 @@ class SettingsManagerImpl implements SettingsManager {
 	public void mergeSettings(Settings s, String namespace) throws DbException {
 		db.transaction(false, txn -> db.mergeSettings(txn, s, namespace));
 	}
-
-	@Override
-	public void mergeSettings(Transaction txn, Settings s, String namespace)
-			throws DbException {
-		db.mergeSettings(txn, s, namespace);
-	}
 }

bramble-core/src/main/java/org/briarproject/bramble/socks/SocksSocketFactory.java

@@ -22,7 +22,8 @@ class SocksSocketFactory extends SocketFactory {
 
 	@Override
 	public Socket createSocket() {
-		return new SocksSocket(proxy, connectToProxyTimeout, extraSocketTimeout);
+		return new SocksSocket(proxy, connectToProxyTimeout,
+				extraSocketTimeout);
 	}
 
 	@Override

bramble-core/src/main/java/org/briarproject/bramble/transport/KeyManagerImpl.java

@@ -215,23 +215,6 @@ class KeyManagerImpl implements KeyManager, Service, EventListener {
 						m.getStreamContext(txn, tag)));
 	}
 
-	@Override
-	public StreamContext getStreamContextOnly(TransportId t, byte[] tag)
-			throws DbException {
-		return withManager(t, m ->
-				db.transactionWithNullableResult(false, txn ->
-						m.getStreamContextOnly(txn, tag)));
-	}
-
-	@Override
-	public void markTagAsRecognised(TransportId t, byte[] tag)
-			throws DbException {
-		withManager(t, m -> {
-			db.transaction(false, txn -> m.markTagAsRecognised(txn, tag));
-			return null;
-		});
-	}
-
 	@Override
 	public void eventOccurred(Event e) {
 		if (e instanceof ContactRemovedEvent) {

bramble-core/src/main/java/org/briarproject/bramble/transport/TransportKeyManager.java

@@ -48,9 +48,4 @@ interface TransportKeyManager {
 	StreamContext getStreamContext(Transaction txn, byte[] tag)
 			throws DbException;
 
-	@Nullable
-	StreamContext getStreamContextOnly(Transaction txn, byte[] tag);
-
-	void markTagAsRecognised(Transaction txn, byte[] tag) throws DbException;
-
 }

bramble-core/src/main/java/org/briarproject/bramble/transport/TransportKeyManagerImpl.java

@@ -393,82 +393,56 @@ class TransportKeyManagerImpl implements TransportKeyManager {
 			throws DbException {
 		lock.lock();
 		try {
-			StreamContext ctx = streamContextFromTag(tag);
+			// Look up the incoming keys for the tag
-			if (ctx == null) return null;
+			TagContext tagCtx = inContexts.remove(new Bytes(tag));
-			markTagAsRecognised(txn, tag);
+			if (tagCtx == null) return null;
+			MutableIncomingKeys inKeys = tagCtx.inKeys;
+			// Create a stream context
+			StreamContext ctx = new StreamContext(tagCtx.contactId,
+					tagCtx.pendingContactId, transportId,
+					inKeys.getTagKey(), inKeys.getHeaderKey(),
+					tagCtx.streamNumber, tagCtx.handshakeMode);
+			// Update the reordering window
+			ReorderingWindow window = inKeys.getWindow();
+			Change change = window.setSeen(tagCtx.streamNumber);
+			// Add tags for any stream numbers added to the window
+			for (long streamNumber : change.getAdded()) {
+				byte[] addTag = new byte[TAG_LENGTH];
+				transportCrypto.encodeTag(addTag, inKeys.getTagKey(),
+						PROTOCOL_VERSION, streamNumber);
+				TagContext tagCtx1 = new TagContext(tagCtx.keySetId,
+						tagCtx.contactId, tagCtx.pendingContactId, inKeys,
+						streamNumber, tagCtx.handshakeMode);
+				inContexts.put(new Bytes(addTag), tagCtx1);
+			}
+			// Remove tags for any stream numbers removed from the window
+			for (long streamNumber : change.getRemoved()) {
+				if (streamNumber == tagCtx.streamNumber) continue;
+				byte[] removeTag = new byte[TAG_LENGTH];
+				transportCrypto.encodeTag(removeTag, inKeys.getTagKey(),
+						PROTOCOL_VERSION, streamNumber);
+				inContexts.remove(new Bytes(removeTag));
+			}
+			// Write the window back to the DB
+			db.setReorderingWindow(txn, tagCtx.keySetId, transportId,
+					inKeys.getTimePeriod(), window.getBase(),
+					window.getBitmap());
+			// If the outgoing keys are inactive, activate them
+			MutableTransportKeySet ks = keys.get(tagCtx.keySetId);
+			MutableOutgoingKeys outKeys =
+					ks.getKeys().getCurrentOutgoingKeys();
+			if (!outKeys.isActive()) {
+				LOG.info("Activating outgoing keys");
+				outKeys.activate();
+				considerReplacingOutgoingKeys(ks);
+				db.setTransportKeysActive(txn, transportId, tagCtx.keySetId);
+			}
 			return ctx;
 		} finally {
 			lock.unlock();
 		}
 	}
 
-	@Override
-	public StreamContext getStreamContextOnly(Transaction txn, byte[] tag) {
-		lock.lock();
-		try {
-			return streamContextFromTag(tag);
-		} finally {
-			lock.unlock();
-		}
-	}
-
-	@GuardedBy("lock")
-	@Nullable
-	private StreamContext streamContextFromTag(byte[] tag) {
-		// Look up the incoming keys for the tag
-		TagContext tagCtx = inContexts.get(new Bytes(tag));
-		if (tagCtx == null) return null;
-		MutableIncomingKeys inKeys = tagCtx.inKeys;
-		// Create a stream context
-		return new StreamContext(tagCtx.contactId,
-				tagCtx.pendingContactId, transportId,
-				inKeys.getTagKey(), inKeys.getHeaderKey(),
-				tagCtx.streamNumber, tagCtx.handshakeMode);
-	}
-
-	@Override
-	public void markTagAsRecognised(Transaction txn, byte[] tag)
-			throws DbException {
-		TagContext tagCtx = inContexts.remove(new Bytes(tag));
-		if (tagCtx == null) return;
-		MutableIncomingKeys inKeys = tagCtx.inKeys;
-		// Update the reordering window
-		ReorderingWindow window = inKeys.getWindow();
-		Change change = window.setSeen(tagCtx.streamNumber);
-		// Add tags for any stream numbers added to the window
-		for (long streamNumber : change.getAdded()) {
-			byte[] addTag = new byte[TAG_LENGTH];
-			transportCrypto.encodeTag(addTag, inKeys.getTagKey(),
-					PROTOCOL_VERSION, streamNumber);
-			TagContext tagCtx1 = new TagContext(tagCtx.keySetId,
-					tagCtx.contactId, tagCtx.pendingContactId, inKeys,
-					streamNumber, tagCtx.handshakeMode);
-			inContexts.put(new Bytes(addTag), tagCtx1);
-		}
-		// Remove tags for any stream numbers removed from the window
-		for (long streamNumber : change.getRemoved()) {
-			if (streamNumber == tagCtx.streamNumber) continue;
-			byte[] removeTag = new byte[TAG_LENGTH];
-			transportCrypto.encodeTag(removeTag, inKeys.getTagKey(),
-					PROTOCOL_VERSION, streamNumber);
-			inContexts.remove(new Bytes(removeTag));
-		}
-		// Write the window back to the DB
-		db.setReorderingWindow(txn, tagCtx.keySetId, transportId,
-				inKeys.getTimePeriod(), window.getBase(),
-				window.getBitmap());
-		// If the outgoing keys are inactive, activate them
-		MutableTransportKeySet ks = keys.get(tagCtx.keySetId);
-		MutableOutgoingKeys outKeys =
-				ks.getKeys().getCurrentOutgoingKeys();
-		if (!outKeys.isActive()) {
-			LOG.info("Activating outgoing keys");
-			outKeys.activate();
-			considerReplacingOutgoingKeys(ks);
-			db.setTransportKeysActive(txn, transportId, tagCtx.keySetId);
-		}
-	}
-
 	@DatabaseExecutor
 	@Wakeful
 	private void updateKeys(Transaction txn) throws DbException {

bramble-core/src/main/resources/bridges

@@ -1,17 +1,10 @@
-d Bridge obfs4 38.229.1.78:80 C8CBDB2464FC9804A69531437BCF2BE31FDD2EE4 cert=Hmyfd2ev46gGY7NoVxA9ngrPF2zCZtzskRTzoWXbxNkzeVnGFPWmrTtILRyqCTjHR+s9dg iat-mode=1
+Bridge obfs4 37.218.245.14:38224 D9A82D2F9C2F65A18407B1D2B764F130847F8B5D cert=bjRaMrr1BRiAW8IE9U5z27fQaYgOhX1UCmOpg2pFpoMvo6ZgQMzLsaTzzQNTlm7hNcb+Sg iat-mode=0
-d Bridge obfs4 37.218.245.14:38224 D9A82D2F9C2F65A18407B1D2B764F130847F8B5D cert=bjRaMrr1BRiAW8IE9U5z27fQaYgOhX1UCmOpg2pFpoMvo6ZgQMzLsaTzzQNTlm7hNcb+Sg iat-mode=0
+Bridge obfs4 85.31.186.26:443 91A6354697E6B02A386312F68D82CF86824D3606 cert=PBwr+S8JTVZo6MPdHnkTwXJPILWADLqfMGoVvhZClMq/Urndyd42BwX9YFJHZnBB3H0XCw iat-mode=0
-d Bridge obfs4 85.31.186.98:443 011F2599C0E9B27EE74B353155E244813763C3E5 cert=ayq0XzCwhpdysn5o0EyDUbmSOx3X/oTEbzDMvczHOdBJKlvIdHHLJGkZARtT4dcBFArPPg iat-mode=0
+Bridge obfs4 193.11.166.194:27015 2D82C2E354D531A68469ADF7F878FA6060C6BACA cert=4TLQPJrTSaDffMK7Nbao6LC7G9OW/NHkUwIdjLSS3KYf0Nv4/nQiiI8dY2TcsQx01NniOg iat-mode=0
-d Bridge obfs4 85.31.186.26:443 91A6354697E6B02A386312F68D82CF86824D3606 cert=PBwr+S8JTVZo6MPdHnkTwXJPILWADLqfMGoVvhZClMq/Urndyd42BwX9YFJHZnBB3H0XCw iat-mode=0
+Bridge obfs4 193.11.166.194:27020 86AC7B8D430DAC4117E9F42C9EAED18133863AAF cert=0LDeJH4JzMDtkJJrFphJCiPqKx7loozKN7VNfuukMGfHO0Z8OGdzHVkhVAOfo1mUdv9cMg iat-mode=0
-d Bridge obfs4 193.11.166.194:27015 2D82C2E354D531A68469ADF7F878FA6060C6BACA cert=4TLQPJrTSaDffMK7Nbao6LC7G9OW/NHkUwIdjLSS3KYf0Nv4/nQiiI8dY2TcsQx01NniOg iat-mode=0
+Bridge obfs4 193.11.166.194:27025 1AE2C08904527FEA90C4C4F8C1083EA59FBC6FAF cert=ItvYZzW5tn6v3G4UnQa6Qz04Npro6e81AP70YujmK/KXwDFPTs3aHXcHp4n8Vt6w/bv8cA iat-mode=0
-d Bridge obfs4 193.11.166.194:27020 86AC7B8D430DAC4117E9F42C9EAED18133863AAF cert=0LDeJH4JzMDtkJJrFphJCiPqKx7loozKN7VNfuukMGfHO0Z8OGdzHVkhVAOfo1mUdv9cMg iat-mode=0
+Bridge obfs4 209.148.46.65:443 74FAD13168806246602538555B5521A0383A1875 cert=ssH+9rP8dG2NLDN2XuFw63hIO/9MNNinLmxQDpVa+7kTOa9/m+tGWT1SmSYpQ9uTBGa6Hw iat-mode=0
-d Bridge obfs4 193.11.166.194:27025 1AE2C08904527FEA90C4C4F8C1083EA59FBC6FAF cert=ItvYZzW5tn6v3G4UnQa6Qz04Npro6e81AP70YujmK/KXwDFPTs3aHXcHp4n8Vt6w/bv8cA iat-mode=0
+Bridge obfs4 45.145.95.6:27015 C5B7CD6946FF10C5B3E89691A7D3F2C122D2117C cert=TD7PbUO0/0k6xYHMPW3vJxICfkMZNdkRrb63Zhl5j9dW3iRGiCx0A7mPhe5T2EDzQ35+Zw iat-mode=0
-d Bridge obfs4 209.148.46.65:443 74FAD13168806246602538555B5521A0383A1875 cert=ssH+9rP8dG2NLDN2XuFw63hIO/9MNNinLmxQDpVa+7kTOa9/m+tGWT1SmSYpQ9uTBGa6Hw iat-mode=0
+Bridge obfs4 51.222.13.177:80 5EDAC3B810E12B01F6FD8050D2FD3E277B289A08 cert=2uplIpLQ0q9+0qMFrK5pkaYRDOe460LL9WHBvatgkuRr/SL31wBOEupaMMJ6koRE6Ld0ew iat-mode=0
-d Bridge obfs4 146.57.248.225:22 10A6CD36A537FCE513A322361547444B393989F0 cert=K1gDtDAIcUfeLqbstggjIw2rtgIKqdIhUlHp82XRqNSq/mtAjp1BIC9vHKJ2FAEpGssTPw iat-mode=0
+Bridge obfs4 78.46.188.239:37356 5A2D2F4158D0453E00C7C176978D3F41D69C45DB cert=3c0SwxpOisbohNxEc4tb875RVW8eOu1opRTVXJhafaKA/PNNtI7ElQIVOVZg1AdL5bxGCw iat-mode=0
-d Bridge obfs4 45.145.95.6:27015 C5B7CD6946FF10C5B3E89691A7D3F2C122D2117C cert=TD7PbUO0/0k6xYHMPW3vJxICfkMZNdkRrb63Zhl5j9dW3iRGiCx0A7mPhe5T2EDzQ35+Zw iat-mode=0
+Bridge meek_lite 192.0.2.2:2 97700DFE9F483596DDA6264C4D7DF7641E1E39CE url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com
-d Bridge obfs4 51.222.13.177:80 5EDAC3B810E12B01F6FD8050D2FD3E277B289A08 cert=2uplIpLQ0q9+0qMFrK5pkaYRDOe460LL9WHBvatgkuRr/SL31wBOEupaMMJ6koRE6Ld0ew iat-mode=0
-d Bridge obfs4 185.100.85.3:443 5B403DFE34F4872EB027059CECAE30B0C864B3A2 cert=bWUdFUe8io9U6JkSLoGAvSAUDcB779/shovCYmYAQb/pW/iEAMZtO/lCd94OokOF909TPA iat-mode=2
-n Bridge obfs4 46.226.107.197:10300 A38FD6BDFD902882F5F5B9B7CCC95602A20B0BC4 cert=t8tA9q2AeGlmp/dO6oW9bkY5RqqmvqjArCEM9wjJoDnk6XtnaejkF0JTA7VamdyOzcvuBg iat-mode=0
-n Bridge obfs4 74.104.165.202:9002 EF432018A6AA5D970B2F84E39CD30A147030141C cert=PhppfUusY85dHGvWtGTybZ1fED4DtbHmALkNMIOIYrAz1B4xN7/2a5gyiZe1epju1BOHVg iat-mode=0
-n Bridge obfs4 23.88.49.56:443 1CDA1660823AE2565D7F50DE8EB99DFDDE96074B cert=4bwNXedHutVD0ZqCm6ph90Vik9dRY4n9qnBHiLiqQOSsIvui4iHwuMFQK6oqiK8tyhVcDw iat-mode=0
-n Bridge obfs4 185.65.206.101:443 8A3E001D4C5105ED41060597DEEB21FF19CDC4D3 cert=Nd6XZ+f00sGKL1u6USmyvfqR34HN/pt7jEVbgMpXPF/yyGaLBiXRH/x0SIjX5TceYnd+Dg iat-mode=0
-m Bridge meek_lite 192.0.2.2:2 97700DFE9F483596DDA6264C4D7DF7641E1E39CE url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com

bramble-core/src/test/bash/wait-for-mailbox.sh

@@ -1,21 +0,0 @@
-#!/bin/bash
-set -e
-
-URL="http://127.0.0.1:8000/status"
-attempt_counter=0
-max_attempts=200 # 10min - CI for mailbox currently takes ~5min
-
-echo "Waiting for mailbox to come online at $URL"
-
-until [[ "$(curl -s -o /dev/null -w '%{http_code}' $URL)" == "401" ]]; do
-  if [ ${attempt_counter} -eq ${max_attempts} ]; then
-    echo "Timed out waiting for mailbox"
-    exit 1
-  fi
-
-  printf '.'
-  attempt_counter=$((attempt_counter + 1))
-  sleep 3
-done
-
-echo "Mailbox started"

bramble-core/src/test/java/org/briarproject/bramble/client/BdfMessageValidatorTest.java

@@ -13,7 +13,7 @@ import org.briarproject.bramble.api.sync.Message;
 import org.briarproject.bramble.api.sync.MessageContext;
 import org.briarproject.bramble.test.ValidatorTestCase;
 import org.jmock.Expectations;
-import org.jmock.imposters.ByteBuddyClassImposteriser;
+import org.jmock.lib.legacy.ClassImposteriser;
 import org.junit.Test;
 
 import static org.briarproject.bramble.api.transport.TransportConstants.MAX_CLOCK_DIFFERENCE;
@@ -38,7 +38,7 @@ public class BdfMessageValidatorTest extends ValidatorTestCase {
 	private final Metadata meta = new Metadata();
 
 	public BdfMessageValidatorTest() {
-		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
+		context.setImposteriser(ClassImposteriser.INSTANCE);
 	}
 
 	@Test(expected = InvalidMessageException.class)

bramble-core/src/test/java/org/briarproject/bramble/client/ClientHelperImplTest.java

@@ -24,10 +24,11 @@ import org.briarproject.bramble.api.sync.GroupId;
 import org.briarproject.bramble.api.sync.Message;
 import org.briarproject.bramble.api.sync.MessageFactory;
 import org.briarproject.bramble.api.sync.MessageId;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.briarproject.bramble.test.DbExpectations;
 import org.briarproject.bramble.util.StringUtils;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
 import org.junit.Test;
 
 import java.io.ByteArrayOutputStream;
@@ -52,8 +53,9 @@ import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
 
-public class ClientHelperImplTest extends BrambleMockTestCase {
+public class ClientHelperImplTest extends BrambleTestCase {
 
+	private final Mockery context = new Mockery();
 	private final DatabaseComponent db = context.mock(DatabaseComponent.class);
 	private final MessageFactory messageFactory =
 			context.mock(MessageFactory.class);
@@ -98,6 +100,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.addLocalMessage(message, dictionary, shared);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -109,6 +112,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.createMessage(groupId, timestamp, list);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -123,6 +127,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.getMessageAsList(messageId);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -139,6 +144,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertEquals(dictionary,
 				clientHelper.getGroupMetadataAsDictionary(groupId));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -155,6 +161,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertEquals(dictionary,
 				clientHelper.getMessageMetadataAsDictionary(messageId));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -172,6 +179,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		assertEquals(map, clientHelper.getMessageMetadataAsDictionary(groupId));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -196,6 +204,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertEquals(map,
 				clientHelper.getMessageMetadataAsDictionary(groupId, query));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -210,6 +219,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.mergeGroupMetadata(groupId, dictionary);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -224,6 +234,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.mergeMessageMetadata(messageId, dictionary);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -231,6 +242,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		byte[] bytes = expectToByteArray(list);
 
 		assertArrayEquals(bytes, clientHelper.toByteArray(list));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -238,6 +250,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		expectToList(true);
 
 		assertEquals(list, clientHelper.toList(getRandomBytes(123)));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -249,6 +262,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 			fail();
 		} catch (FormatException e) {
 			// expected
+			context.assertIsSatisfied();
 		}
 	}
 
@@ -265,6 +279,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 
 		assertArrayEquals(signature,
 				clientHelper.sign(label, list, privateKey));
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -280,6 +295,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 		}});
 
 		clientHelper.verifySignature(signature, label, list, publicKey);
+		context.assertIsSatisfied();
 	}
 
 	@Test
@@ -299,6 +315,7 @@ public class ClientHelperImplTest extends BrambleMockTestCase {
 			fail();
 		} catch (GeneralSecurityException e) {
 			// expected
+			context.assertIsSatisfied();
 		}
 	}
 

bramble-core/src/test/java/org/briarproject/bramble/db/JdbcDatabaseTest.java

@@ -2197,55 +2197,6 @@ public abstract class JdbcDatabaseTest extends BrambleTestCase {
 		db.close();
 	}
 
-	@Test
-	public void testResetRetransmissionTimes() throws Exception {
-		long now = System.currentTimeMillis();
-		AtomicLong time = new AtomicLong(now);
-		Database<Connection> db =
-				open(false, new TestMessageFactory(), new SettableClock(time));
-		Connection txn = db.startTransaction();
-
-		// Add a contact, a shared group and a shared message
-		db.addIdentity(txn, identity);
-		assertEquals(contactId,
-				db.addContact(txn, author, localAuthor.getId(), null, true));
-		db.addGroup(txn, group);
-		db.addGroupVisibility(txn, contactId, groupId, true);
-		db.addMessage(txn, message, DELIVERED, true, false, null);
-
-		// Time: now
-		// Retrieve the message from the database
-		Collection<MessageId> ids = db.getMessagesToSend(txn, contactId,
-				ONE_MEGABYTE, MAX_LATENCY);
-		assertEquals(singletonList(messageId), ids);
-
-		// Time: now
-		// Mark the message as sent
-		db.updateExpiryTimeAndEta(txn, contactId, messageId, MAX_LATENCY);
-
-		// The message should expire after 2 * MAX_LATENCY
-		assertEquals(now + MAX_LATENCY * 2, db.getNextSendTime(txn, contactId));
-
-		// Time: now + MAX_LATENCY * 2 - 1
-		// The message should not yet be sendable
-		time.set(now + MAX_LATENCY * 2 - 1);
-		ids = db.getMessagesToSend(txn, contactId, ONE_MEGABYTE, MAX_LATENCY);
-		assertTrue(ids.isEmpty());
-
-		// Reset the retransmission times
-		db.resetUnackedMessagesToSend(txn, contactId);
-
-		// The message should have infinitely short expiry
-		assertEquals(0, db.getNextSendTime(txn, contactId));
-
-		// The message should be sendable
-		ids = db.getMessagesToSend(txn, contactId, ONE_MEGABYTE, MAX_LATENCY);
-		assertFalse(ids.isEmpty());
-
-		db.commitTransaction(txn);
-		db.close();
-	}
-
 	@Test
 	public void testCompactionTime() throws Exception {
 		MessageFactory messageFactory = new TestMessageFactory();

bramble-core/src/test/java/org/briarproject/bramble/keyagreement/KeyAgreementProtocolTest.java

@@ -11,9 +11,8 @@ import org.briarproject.bramble.api.keyagreement.PayloadEncoder;
 import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
 import org.jmock.auto.Mock;
-import org.jmock.imposters.ByteBuddyClassImposteriser;
 import org.jmock.integration.junit4.JUnitRuleMockery;
-import org.jmock.lib.concurrent.Synchroniser;
+import org.jmock.lib.legacy.ClassImposteriser;
 import org.junit.Rule;
 import org.junit.Test;
 
@@ -35,8 +34,7 @@ public class KeyAgreementProtocolTest extends BrambleTestCase {
 	@Rule
 	public JUnitRuleMockery context = new JUnitRuleMockery() {{
 		// So we can mock concrete classes like KeyAgreementTransport
-		setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
+		setImposteriser(ClassImposteriser.INSTANCE);
-		setThreadingPolicy(new Synchroniser());
 	}};
 
 	private final PublicKey alicePubKey = getAgreementPublicKey();

bramble-core/src/test/java/org/briarproject/bramble/keyagreement/KeyAgreementTransportTest.java

@@ -14,7 +14,7 @@ import org.briarproject.bramble.api.record.RecordWriterFactory;
 import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.briarproject.bramble.test.CaptureArgumentAction;
 import org.jmock.Expectations;
-import org.jmock.imposters.ByteBuddyClassImposteriser;
+import org.jmock.lib.legacy.ClassImposteriser;
 import org.junit.Test;
 
 import java.io.InputStream;
@@ -58,7 +58,7 @@ public class KeyAgreementTransportTest extends BrambleMockTestCase {
 	private KeyAgreementTransport kat;
 
 	public KeyAgreementTransportTest() {
-		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
+		context.setImposteriser(ClassImposteriser.INSTANCE);
 		inputStream = context.mock(InputStream.class);
 		outputStream = context.mock(OutputStream.class);
 	}

bramble-core/src/test/java/org/briarproject/bramble/mailbox/MailboxApiTest.java

@@ -1,383 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.WeakSingletonProvider;
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-import org.briarproject.bramble.mailbox.MailboxApi.ApiException;
-import org.briarproject.bramble.mailbox.MailboxApi.MailboxContact;
-import org.briarproject.bramble.mailbox.MailboxApi.TolerableFailureException;
-import org.briarproject.bramble.test.BrambleTestCase;
-import org.junit.Test;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import javax.annotation.Nonnull;
-import javax.net.SocketFactory;
-
-import okhttp3.OkHttpClient;
-import okhttp3.mockwebserver.MockResponse;
-import okhttp3.mockwebserver.MockWebServer;
-import okhttp3.mockwebserver.RecordedRequest;
-
-import static java.util.Collections.singletonList;
-import static java.util.concurrent.TimeUnit.MILLISECONDS;
-import static org.briarproject.bramble.test.TestUtils.getContactId;
-import static org.briarproject.bramble.test.TestUtils.getMailboxSecret;
-import static org.briarproject.bramble.util.StringUtils.getRandomString;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertThrows;
-import static org.junit.Assert.assertTrue;
-
-public class MailboxApiTest extends BrambleTestCase {
-
-	private final OkHttpClient client = new OkHttpClient.Builder()
-			.socketFactory(SocketFactory.getDefault())
-			.connectTimeout(60_000, MILLISECONDS)
-			.build();
-	private final WeakSingletonProvider<OkHttpClient> httpClientProvider =
-			new WeakSingletonProvider<OkHttpClient>() {
-				@Override
-				@Nonnull
-				public OkHttpClient createInstance() {
-					return client;
-				}
-			};
-	private final MailboxApiImpl api = new MailboxApiImpl(httpClientProvider);
-
-	private final String token = getMailboxSecret();
-	private final String token2 = getMailboxSecret();
-	private final ContactId contactId = getContactId();
-	private final String contactToken = getMailboxSecret();
-	private final String contactInboxId = getMailboxSecret();
-	private final String contactOutboxId = getMailboxSecret();
-	private final MailboxContact mailboxContact = new MailboxContact(
-			contactId, contactToken, contactInboxId, contactOutboxId);
-
-	@Test
-	public void testSetup() throws Exception {
-		String validResponse = "{\"token\":\"" + token2 + "\"}";
-		String invalidResponse = "{\"foo\":\"bar\"}";
-		String invalidTokenResponse = "{\"token\":{\"foo\":\"bar\"}}";
-		String invalidTokenResponse2 =
-				"{\"token\":\"" + getRandomString(64) + "\"}";
-
-		MockWebServer server = new MockWebServer();
-		server.enqueue(new MockResponse().setBody(validResponse));
-		server.enqueue(new MockResponse());
-		server.enqueue(new MockResponse().setBody(invalidResponse));
-		server.enqueue(new MockResponse().setResponseCode(401));
-		server.enqueue(new MockResponse().setResponseCode(500));
-		server.enqueue(new MockResponse().setBody(invalidTokenResponse));
-		server.enqueue(new MockResponse().setBody(invalidTokenResponse2));
-		server.start();
-		String baseUrl = getBaseUrl(server);
-		MailboxProperties properties =
-				new MailboxProperties(baseUrl, token, true);
-		MailboxProperties properties2 =
-				new MailboxProperties(baseUrl, token2, true);
-
-		// valid response with valid token
-		assertEquals(token2, api.setup(properties));
-		RecordedRequest request1 = server.takeRequest();
-		assertEquals("/setup", request1.getPath());
-		assertEquals("PUT", request1.getMethod());
-		assertToken(request1, token);
-
-		// empty body
-		assertThrows(ApiException.class, () -> api.setup(properties));
-		RecordedRequest request2 = server.takeRequest();
-		assertEquals("/setup", request2.getPath());
-		assertEquals("PUT", request2.getMethod());
-		assertToken(request2, token);
-
-		// invalid response
-		assertThrows(ApiException.class, () -> api.setup(properties));
-		RecordedRequest request3 = server.takeRequest();
-		assertEquals("/setup", request3.getPath());
-		assertEquals("PUT", request3.getMethod());
-		assertToken(request3, token);
-
-		// 401 response
-		assertThrows(ApiException.class, () -> api.setup(properties2));
-		RecordedRequest request4 = server.takeRequest();
-		assertEquals("/setup", request4.getPath());
-		assertEquals("PUT", request4.getMethod());
-		assertToken(request4, token2);
-
-		// 500 response
-		assertThrows(ApiException.class, () -> api.setup(properties));
-		RecordedRequest request5 = server.takeRequest();
-		assertEquals("/setup", request5.getPath());
-		assertEquals("PUT", request5.getMethod());
-		assertToken(request5, token);
-
-		// invalid json dict token response
-		assertThrows(ApiException.class, () -> api.setup(properties));
-		RecordedRequest request6 = server.takeRequest();
-		assertEquals("/setup", request6.getPath());
-		assertEquals("PUT", request6.getMethod());
-		assertToken(request6, token);
-
-		// invalid non-hex string token response
-		assertThrows(ApiException.class, () -> api.setup(properties));
-		RecordedRequest request7 = server.takeRequest();
-		assertEquals("/setup", request7.getPath());
-		assertEquals("PUT", request7.getMethod());
-		assertToken(request7, token);
-	}
-
-	@Test
-	public void testSetupOnlyForOwner() {
-		MailboxProperties properties =
-				new MailboxProperties("", token, false);
-		assertThrows(
-				IllegalArgumentException.class,
-				() -> api.setup(properties)
-		);
-	}
-
-	@Test
-	public void testStatus() throws Exception {
-		MockWebServer server = new MockWebServer();
-		server.enqueue(new MockResponse());
-		server.enqueue(new MockResponse().setResponseCode(401));
-		server.enqueue(new MockResponse().setResponseCode(500));
-		server.start();
-		String baseUrl = getBaseUrl(server);
-		MailboxProperties properties =
-				new MailboxProperties(baseUrl, token, true);
-		MailboxProperties properties2 =
-				new MailboxProperties(baseUrl, token2, true);
-
-		assertTrue(api.checkStatus(properties));
-		RecordedRequest request1 = server.takeRequest();
-		assertEquals("/status", request1.getPath());
-		assertToken(request1, token);
-
-		assertThrows(ApiException.class, () -> api.checkStatus(properties2));
-		RecordedRequest request2 = server.takeRequest();
-		assertEquals("/status", request2.getPath());
-		assertToken(request2, token2);
-
-		assertFalse(api.checkStatus(properties));
-		RecordedRequest request3 = server.takeRequest();
-		assertEquals("/status", request3.getPath());
-		assertToken(request3, token);
-	}
-
-	@Test
-	public void testStatusOnlyForOwner() {
-		MailboxProperties properties =
-				new MailboxProperties("", token, false);
-		assertThrows(
-				IllegalArgumentException.class,
-				() -> api.checkStatus(properties)
-		);
-	}
-
-	@Test
-	public void testAddContact() throws Exception {
-		MockWebServer server = new MockWebServer();
-		server.enqueue(new MockResponse());
-		server.enqueue(new MockResponse().setResponseCode(401));
-		server.enqueue(new MockResponse().setResponseCode(409));
-		server.start();
-		String baseUrl = getBaseUrl(server);
-		MailboxProperties properties =
-				new MailboxProperties(baseUrl, token, true);
-
-		// contact gets added as expected
-		api.addContact(properties, mailboxContact);
-		RecordedRequest request1 = server.takeRequest();
-		assertEquals("/contacts", request1.getPath());
-		assertToken(request1, token);
-		String expected = "{\"contactId\":" + contactId.getInt() +
-				",\"token\":\"" + contactToken +
-				"\",\"inboxId\":\"" + contactInboxId +
-				"\",\"outboxId\":\"" + contactOutboxId +
-				"\"}";
-		assertEquals(expected, request1.getBody().readUtf8());
-
-		// request is not successful
-		assertThrows(ApiException.class, () ->
-				api.addContact(properties, mailboxContact));
-		RecordedRequest request2 = server.takeRequest();
-		assertEquals("/contacts", request2.getPath());
-		assertToken(request2, token);
-
-		// contact already exists
-		assertThrows(TolerableFailureException.class, () ->
-				api.addContact(properties, mailboxContact));
-		RecordedRequest request3 = server.takeRequest();
-		assertEquals("/contacts", request3.getPath());
-		assertToken(request3, token);
-	}
-
-	@Test
-	public void testAddContactOnlyForOwner() {
-		MailboxProperties properties =
-				new MailboxProperties("", token, false);
-		assertThrows(IllegalArgumentException.class, () ->
-				api.addContact(properties, mailboxContact));
-	}
-
-	@Test
-	public void testDeleteContact() throws Exception {
-		MockWebServer server = new MockWebServer();
-		server.enqueue(new MockResponse());
-		server.enqueue(new MockResponse().setResponseCode(205));
-		server.enqueue(new MockResponse().setResponseCode(401));
-		server.enqueue(new MockResponse().setResponseCode(404));
-		server.start();
-		String baseUrl = getBaseUrl(server);
-		MailboxProperties properties =
-				new MailboxProperties(baseUrl, token, true);
-
-		// contact gets deleted as expected
-		api.deleteContact(properties, contactId);
-		RecordedRequest request1 = server.takeRequest();
-		assertEquals("DELETE", request1.getMethod());
-		assertEquals("/contacts/" + contactId.getInt(), request1.getPath());
-		assertToken(request1, token);
-
-		// request is not returning 200
-		assertThrows(ApiException.class, () ->
-				api.deleteContact(properties, contactId));
-		RecordedRequest request2 = server.takeRequest();
-		assertEquals("DELETE", request2.getMethod());
-		assertEquals("/contacts/" + contactId.getInt(), request2.getPath());
-		assertToken(request2, token);
-
-		// request is not authorized
-		assertThrows(ApiException.class, () ->
-				api.deleteContact(properties, contactId));
-		RecordedRequest request3 = server.takeRequest();
-		assertEquals("DELETE", request3.getMethod());
-		assertEquals("/contacts/" + contactId.getInt(), request3.getPath());
-		assertToken(request3, token);
-
-		// tolerable 404 not found error
-		assertThrows(TolerableFailureException.class,
-				() -> api.deleteContact(properties, contactId));
-		RecordedRequest request4 = server.takeRequest();
-		assertEquals("/contacts/" + contactId.getInt(), request4.getPath());
-		assertEquals("DELETE", request4.getMethod());
-		assertToken(request4, token);
-	}
-
-	@Test
-	public void testDeleteContactOnlyForOwner() {
-		MailboxProperties properties =
-				new MailboxProperties("", token, false);
-		assertThrows(IllegalArgumentException.class, () ->
-				api.deleteContact(properties, contactId));
-	}
-
-	@Test
-	public void testGetContacts() throws Exception {
-		ContactId contactId2 = getContactId();
-		String validResponse1 = "{\"contacts\": [" + contactId.getInt() + "] }";
-		String validResponse2 = "{\"contacts\": [" + contactId.getInt() + ", " +
-				contactId2.getInt() + "] }";
-		String invalidResponse1 = "{\"foo\":\"bar\"}";
-		String invalidResponse2 = "{\"contacts\":{\"foo\":\"bar\"}}";
-		String invalidResponse3 = "{\"contacts\": [1, 2, \"foo\"] }";
-
-		MockWebServer server = new MockWebServer();
-		server.enqueue(new MockResponse().setBody(validResponse1));
-		server.enqueue(new MockResponse().setBody(validResponse2));
-		server.enqueue(new MockResponse());
-		server.enqueue(new MockResponse().setBody(invalidResponse1));
-		server.enqueue(new MockResponse().setBody(invalidResponse2));
-		server.enqueue(new MockResponse().setBody(invalidResponse3));
-		server.enqueue(new MockResponse().setResponseCode(401));
-		server.enqueue(new MockResponse().setResponseCode(500));
-		server.start();
-		String baseUrl = getBaseUrl(server);
-		MailboxProperties properties =
-				new MailboxProperties(baseUrl, token, true);
-
-		// valid response with two contacts
-		assertEquals(singletonList(contactId), api.getContacts(properties));
-		RecordedRequest request1 = server.takeRequest();
-		assertEquals("/contacts", request1.getPath());
-		assertEquals("GET", request1.getMethod());
-		assertToken(request1, token);
-
-		// valid response with two contacts
-		List<ContactId> contacts = new ArrayList<>();
-		contacts.add(contactId);
-		contacts.add(contactId2);
-		assertEquals(contacts, api.getContacts(properties));
-		RecordedRequest request2 = server.takeRequest();
-		assertEquals("/contacts", request2.getPath());
-		assertEquals("GET", request2.getMethod());
-		assertToken(request2, token);
-
-		// empty body
-		assertThrows(ApiException.class, () -> api.getContacts(properties));
-		RecordedRequest request3 = server.takeRequest();
-		assertEquals("/contacts", request3.getPath());
-		assertEquals("GET", request3.getMethod());
-		assertToken(request3, token);
-
-		// invalid response: no contacts key
-		assertThrows(ApiException.class, () -> api.getContacts(properties));
-		RecordedRequest request4 = server.takeRequest();
-		assertEquals("/contacts", request4.getPath());
-		assertEquals("GET", request4.getMethod());
-		assertToken(request4, token);
-
-		// invalid response: no list in contacts
-		assertThrows(ApiException.class, () -> api.getContacts(properties));
-		RecordedRequest request5 = server.takeRequest();
-		assertEquals("/contacts", request5.getPath());
-		assertEquals("GET", request5.getMethod());
-		assertToken(request5, token);
-
-		// invalid response: list with non-numbers
-		assertThrows(ApiException.class, () -> api.getContacts(properties));
-		RecordedRequest request6 = server.takeRequest();
-		assertEquals("/contacts", request6.getPath());
-		assertEquals("GET", request6.getMethod());
-		assertToken(request6, token);
-
-		// 401 not authorized
-		assertThrows(ApiException.class, () -> api.getContacts(properties));
-		RecordedRequest request7 = server.takeRequest();
-		assertEquals("/contacts", request7.getPath());
-		assertEquals("GET", request7.getMethod());
-		assertToken(request7, token);
-
-		// 500 internal server error
-		assertThrows(ApiException.class, () -> api.getContacts(properties));
-		RecordedRequest request8 = server.takeRequest();
-		assertEquals("/contacts", request8.getPath());
-		assertEquals("GET", request8.getMethod());
-		assertToken(request8, token);
-	}
-
-	@Test
-	public void testGetContactsOnlyForOwner() {
-		MailboxProperties properties =
-				new MailboxProperties("", token, false);
-		assertThrows(
-				IllegalArgumentException.class,
-				() -> api.getContacts(properties)
-		);
-	}
-
-	private String getBaseUrl(MockWebServer server) {
-		String baseUrl = server.url("").toString();
-		return baseUrl.substring(0, baseUrl.length() - 1);
-	}
-
-	private void assertToken(RecordedRequest request, String token) {
-		assertNotNull(request.getHeader("Authorization"));
-		assertEquals("Bearer " + token, request.getHeader("Authorization"));
-	}
-
-}

bramble-core/src/test/java/org/briarproject/bramble/mailbox/MailboxIntegrationTest.java

@@ -1,109 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.WeakSingletonProvider;
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-import org.briarproject.bramble.mailbox.MailboxApi.ApiException;
-import org.briarproject.bramble.mailbox.MailboxApi.MailboxContact;
-import org.briarproject.bramble.mailbox.MailboxApi.TolerableFailureException;
-import org.briarproject.bramble.test.BrambleTestCase;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-
-import java.io.IOException;
-import java.util.Arrays;
-
-import javax.annotation.Nonnull;
-import javax.net.SocketFactory;
-
-import okhttp3.OkHttpClient;
-
-import static java.util.Collections.emptyList;
-import static java.util.Collections.singletonList;
-import static java.util.concurrent.TimeUnit.MILLISECONDS;
-import static org.briarproject.bramble.test.TestUtils.getMailboxSecret;
-import static org.briarproject.bramble.test.TestUtils.isOptionalTestEnabled;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertThrows;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assume.assumeTrue;
-
-public class MailboxIntegrationTest extends BrambleTestCase {
-
-	private final static String URL_BASE = "http://127.0.0.1:8000";
-	private final static String SETUP_TOKEN =
-			"54686973206973206120736574757020746f6b656e20666f722042726961722e";
-
-	private final OkHttpClient client = new OkHttpClient.Builder()
-			.socketFactory(SocketFactory.getDefault())
-			.connectTimeout(60_000, MILLISECONDS)
-			.build();
-	private final WeakSingletonProvider<OkHttpClient> httpClientProvider =
-			new WeakSingletonProvider<OkHttpClient>() {
-				@Override
-				@Nonnull
-				public OkHttpClient createInstance() {
-					return client;
-				}
-			};
-	private final MailboxApiImpl api = new MailboxApiImpl(httpClientProvider);
-	// needs to be static to keep values across different tests
-	private static MailboxProperties ownerProperties;
-
-	/**
-	 * Called before each test to make sure the mailbox is setup once
-	 * before starting with individual tests.
-	 * {@link BeforeClass} needs to be static, so we can't use the API class.
-	 */
-	@Before
-	public void ensureSetup() throws IOException, ApiException {
-		// Skip this test unless it's explicitly enabled in the environment
-		assumeTrue(isOptionalTestEnabled(MailboxIntegrationTest.class));
-
-		if (ownerProperties != null) return;
-		MailboxProperties setupProperties =
-				new MailboxProperties(URL_BASE, SETUP_TOKEN, true);
-		String ownerToken = api.setup(setupProperties);
-		ownerProperties = new MailboxProperties(URL_BASE, ownerToken, true);
-	}
-
-	@Test
-	public void testStatus() throws Exception {
-		assertTrue(api.checkStatus(ownerProperties));
-	}
-
-	@Test
-	public void testContactApi() throws Exception {
-		ContactId contactId1 = new ContactId(1);
-		ContactId contactId2 = new ContactId(2);
-		MailboxContact mailboxContact1 = getMailboxContact(contactId1);
-		MailboxContact mailboxContact2 = getMailboxContact(contactId2);
-
-		// no contacts initially
-		assertEquals(emptyList(), api.getContacts(ownerProperties));
-		// added contact gets returned
-		api.addContact(ownerProperties, mailboxContact1);
-		assertEquals(singletonList(contactId1),
-				api.getContacts(ownerProperties));
-		// second contact also gets returned
-		api.addContact(ownerProperties, mailboxContact2);
-		assertEquals(Arrays.asList(contactId1, contactId2),
-				api.getContacts(ownerProperties));
-
-		// after both contacts get deleted, the list is empty again
-		api.deleteContact(ownerProperties, contactId1);
-		api.deleteContact(ownerProperties, contactId2);
-		assertEquals(emptyList(), api.getContacts(ownerProperties));
-
-		// deleting again is tolerable
-		assertThrows(TolerableFailureException.class,
-				() -> api.deleteContact(ownerProperties, contactId2));
-	}
-
-	private MailboxContact getMailboxContact(ContactId contactId) {
-		return new MailboxContact(contactId, getMailboxSecret(),
-				getMailboxSecret(), getMailboxSecret());
-	}
-
-}

bramble-core/src/test/java/org/briarproject/bramble/mailbox/MailboxSettingsManagerImplTest.java

@@ -1,225 +0,0 @@
-package org.briarproject.bramble.mailbox;
-
-import org.briarproject.bramble.api.contact.ContactId;
-import org.briarproject.bramble.api.db.Transaction;
-import org.briarproject.bramble.api.mailbox.MailboxProperties;
-import org.briarproject.bramble.api.mailbox.MailboxSettingsManager;
-import org.briarproject.bramble.api.mailbox.MailboxStatus;
-import org.briarproject.bramble.api.settings.Settings;
-import org.briarproject.bramble.api.settings.SettingsManager;
-import org.briarproject.bramble.test.BrambleMockTestCase;
-import org.jmock.Expectations;
-import org.junit.Test;
-
-import java.util.Random;
-
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_ATTEMPTS;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_LAST_ATTEMPT;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_LAST_SUCCESS;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_ONION;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_KEY_TOKEN;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_NAMESPACE;
-import static org.briarproject.bramble.mailbox.MailboxSettingsManagerImpl.SETTINGS_UPLOADS_NAMESPACE;
-import static org.briarproject.bramble.util.StringUtils.getRandomString;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-
-public class MailboxSettingsManagerImplTest extends BrambleMockTestCase {
-
-	private final SettingsManager settingsManager =
-			context.mock(SettingsManager.class);
-
-	private final MailboxSettingsManager manager =
-			new MailboxSettingsManagerImpl(settingsManager);
-	private final Random random = new Random();
-	private final String onion = getRandomString(64);
-	private final String token = getRandomString(64);
-	private final ContactId contactId1 = new ContactId(random.nextInt());
-	private final ContactId contactId2 = new ContactId(random.nextInt());
-	private final ContactId contactId3 = new ContactId(random.nextInt());
-	private final long now = System.currentTimeMillis();
-	private final long lastAttempt = now - 1234;
-	private final long lastSuccess = now - 2345;
-	private final int attempts = 123;
-
-	@Test
-	public void testReturnsNullPropertiesIfSettingsAreEmpty() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings emptySettings = new Settings();
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(emptySettings));
-		}});
-
-		assertNull(manager.getOwnMailboxProperties(txn));
-	}
-
-	@Test
-	public void testReturnsProperties() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings settings = new Settings();
-		settings.put(SETTINGS_KEY_ONION, onion);
-		settings.put(SETTINGS_KEY_TOKEN, token);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(settings));
-		}});
-
-		MailboxProperties properties = manager.getOwnMailboxProperties(txn);
-		assertNotNull(properties);
-		assertEquals(onion, properties.getOnionAddress());
-		assertEquals(token, properties.getAuthToken());
-		assertTrue(properties.isOwner());
-	}
-
-	@Test
-	public void testStoresProperties() throws Exception {
-		Transaction txn = new Transaction(null, false);
-		Settings expectedSettings = new Settings();
-		expectedSettings.put(SETTINGS_KEY_ONION, onion);
-		expectedSettings.put(SETTINGS_KEY_TOKEN, token);
-		MailboxProperties properties =
-				new MailboxProperties(onion, token, true);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings,
-					SETTINGS_NAMESPACE);
-		}});
-
-		manager.setOwnMailboxProperties(txn, properties);
-	}
-
-	@Test
-	public void testReturnsDefaultStatusIfSettingsAreEmpty() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings emptySettings = new Settings();
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(emptySettings));
-		}});
-
-		MailboxStatus status = manager.getOwnMailboxStatus(txn);
-		assertEquals(-1, status.getTimeOfLastAttempt());
-		assertEquals(-1, status.getTimeOfLastSuccess());
-		assertEquals(0, status.getAttemptsSinceSuccess());
-	}
-
-	@Test
-	public void testReturnsStatus() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings settings = new Settings();
-		settings.putLong(SETTINGS_KEY_LAST_ATTEMPT, lastAttempt);
-		settings.putLong(SETTINGS_KEY_LAST_SUCCESS, lastSuccess);
-		settings.putInt(SETTINGS_KEY_ATTEMPTS, attempts);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(settings));
-		}});
-
-		MailboxStatus status = manager.getOwnMailboxStatus(txn);
-		assertEquals(lastAttempt, status.getTimeOfLastAttempt());
-		assertEquals(lastSuccess, status.getTimeOfLastSuccess());
-		assertEquals(attempts, status.getAttemptsSinceSuccess());
-	}
-
-	@Test
-	public void testRecordsSuccess() throws Exception {
-		Transaction txn = new Transaction(null, false);
-		Settings expectedSettings = new Settings();
-		expectedSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		expectedSettings.putLong(SETTINGS_KEY_LAST_SUCCESS, now);
-		expectedSettings.putInt(SETTINGS_KEY_ATTEMPTS, 0);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings,
-					SETTINGS_NAMESPACE);
-		}});
-
-		manager.recordSuccessfulConnection(txn, now);
-	}
-
-	@Test
-	public void testRecordsFailureOnFirstAttempt() throws Exception {
-		testRecordsFailure(new Settings(), 0);
-	}
-
-	@Test
-	public void testRecordsFailureOnLaterAttempt() throws Exception {
-		Settings oldSettings = new Settings();
-		oldSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, lastAttempt);
-		oldSettings.putLong(SETTINGS_KEY_LAST_SUCCESS, lastSuccess);
-		oldSettings.putInt(SETTINGS_KEY_ATTEMPTS, attempts);
-		testRecordsFailure(oldSettings, attempts);
-	}
-
-	private void testRecordsFailure(Settings oldSettings, int oldAttempts)
-			throws Exception {
-		Transaction txn = new Transaction(null, false);
-		Settings expectedSettings = new Settings();
-		expectedSettings.putLong(SETTINGS_KEY_LAST_ATTEMPT, now);
-		expectedSettings.putInt(SETTINGS_KEY_ATTEMPTS, oldAttempts + 1);
-
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).getSettings(txn, SETTINGS_NAMESPACE);
-			will(returnValue(oldSettings));
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings,
-					SETTINGS_NAMESPACE);
-		}});
-
-		manager.recordFailedConnectionAttempt(txn, now);
-	}
-
-	@Test
-	public void testGettingPendingUploads() throws Exception {
-		Transaction txn = new Transaction(null, true);
-		Settings settings = new Settings();
-		settings.put(String.valueOf(contactId1.getInt()), onion);
-		settings.put(String.valueOf(contactId2.getInt()), token);
-		settings.put(String.valueOf(contactId3.getInt()), "");
-
-		context.checking(new Expectations() {{
-			exactly(4).of(settingsManager)
-					.getSettings(txn, SETTINGS_UPLOADS_NAMESPACE);
-			will(returnValue(settings));
-		}});
-
-		String filename1 = manager.getPendingUpload(txn, contactId1);
-		assertEquals(onion, filename1);
-		String filename2 = manager.getPendingUpload(txn, contactId2);
-		assertEquals(token, filename2);
-		String filename3 = manager.getPendingUpload(txn, contactId3);
-		assertNull(filename3);
-		String filename4 =
-				manager.getPendingUpload(txn, new ContactId(random.nextInt()));
-		assertNull(filename4);
-	}
-
-	@Test
-	public void testSettingPendingUploads() throws Exception {
-		Transaction txn = new Transaction(null, false);
-
-		// setting a pending upload stores expected settings
-		Settings expectedSettings1 = new Settings();
-		expectedSettings1.put(String.valueOf(contactId1.getInt()), onion);
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings1,
-					SETTINGS_UPLOADS_NAMESPACE);
-		}});
-		manager.setPendingUpload(txn, contactId1, onion);
-
-		// nulling a pending upload empties stored settings
-		Settings expectedSettings2 = new Settings();
-		expectedSettings2.put(String.valueOf(contactId2.getInt()), "");
-		context.checking(new Expectations() {{
-			oneOf(settingsManager).mergeSettings(txn, expectedSettings2,
-					SETTINGS_UPLOADS_NAMESPACE);
-		}});
-		manager.setPendingUpload(txn, contactId2, null);
-	}
-}

bramble-core/src/test/java/org/briarproject/bramble/plugin/PluginManagerImplTest.java

@@ -12,8 +12,10 @@ import org.briarproject.bramble.api.plugin.simplex.SimplexPlugin;
 import org.briarproject.bramble.api.plugin.simplex.SimplexPluginFactory;
 import org.briarproject.bramble.api.properties.TransportPropertyManager;
 import org.briarproject.bramble.api.settings.SettingsManager;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
+import org.jmock.lib.concurrent.Synchroniser;
 import org.junit.Test;
 
 import java.util.Arrays;
@@ -22,10 +24,13 @@ import java.util.concurrent.Executors;
 
 import static org.briarproject.bramble.test.TestUtils.getTransportId;
 
-public class PluginManagerImplTest extends BrambleMockTestCase {
+public class PluginManagerImplTest extends BrambleTestCase {
 
 	@Test
 	public void testStartAndStop() throws Exception {
+		Mockery context = new Mockery() {{
+			setThreadingPolicy(new Synchroniser());
+		}};
 		Executor ioExecutor = Executors.newSingleThreadExecutor();
 		EventBus eventBus = context.mock(EventBus.class);
 		PluginConfig pluginConfig = context.mock(PluginConfig.class);
@@ -111,5 +116,7 @@ public class PluginManagerImplTest extends BrambleMockTestCase {
 		// Two plugins should be started and stopped
 		p.startService();
 		p.stopService();
+
+		context.assertIsSatisfied();
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/plugin/PollerImplTest.java

@@ -25,7 +25,7 @@ import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.briarproject.bramble.test.ImmediateExecutor;
 import org.briarproject.bramble.test.RunAction;
 import org.jmock.Expectations;
-import org.jmock.imposters.ByteBuddyClassImposteriser;
+import org.jmock.lib.legacy.ClassImposteriser;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -69,7 +69,7 @@ public class PollerImplTest extends BrambleMockTestCase {
 	private PollerImpl poller;
 
 	public PollerImplTest() {
-		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
+		context.setImposteriser(ClassImposteriser.INSTANCE);
 		random = context.mock(SecureRandom.class);
 	}
 

bramble-core/src/test/java/org/briarproject/bramble/plugin/tor/CircumventionProviderTest.java

@@ -1,68 +0,0 @@
-package org.briarproject.bramble.plugin.tor;
-
-import org.briarproject.bramble.test.BrambleTestCase;
-import org.junit.Test;
-
-import java.util.HashSet;
-import java.util.Set;
-
-import static java.util.Arrays.asList;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BLOCKED;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BRIDGES;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.NON_DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.DEFAULT_OBFS4_BRIDGES;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.MEEK_BRIDGES;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.NON_DEFAULT_OBFS4_BRIDGES;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
-
-public class CircumventionProviderTest extends BrambleTestCase {
-
-	private final CircumventionProvider provider =
-			new CircumventionProviderImpl();
-
-	@Test
-	public void testInvariants() {
-		Set<String> blocked = new HashSet<>(asList(BLOCKED));
-		Set<String> bridges = new HashSet<>(asList(BRIDGES));
-		Set<String> defaultObfs4Bridges =
-				new HashSet<>(asList(DEFAULT_OBFS4_BRIDGES));
-		Set<String> nonDefaultObfs4Bridges =
-				new HashSet<>(asList(NON_DEFAULT_OBFS4_BRIDGES));
-		Set<String> meekBridges = new HashSet<>(asList(MEEK_BRIDGES));
-		// BRIDGES should be a subset of BLOCKED
-		assertTrue(blocked.containsAll(bridges));
-		// BRIDGES should be the union of the bridge type sets
-		Set<String> union = new HashSet<>(defaultObfs4Bridges);
-		union.addAll(nonDefaultObfs4Bridges);
-		union.addAll(meekBridges);
-		assertEquals(bridges, union);
-		// The bridge type sets should not overlap
-		assertEmptyIntersection(defaultObfs4Bridges, nonDefaultObfs4Bridges);
-		assertEmptyIntersection(defaultObfs4Bridges, meekBridges);
-		assertEmptyIntersection(nonDefaultObfs4Bridges, meekBridges);
-	}
-
-	@Test
-	public void testGetBestBridgeType() {
-		for (String country : DEFAULT_OBFS4_BRIDGES) {
-			assertEquals(DEFAULT_OBFS4, provider.getBestBridgeType(country));
-		}
-		for (String country : NON_DEFAULT_OBFS4_BRIDGES) {
-			assertEquals(NON_DEFAULT_OBFS4,
-					provider.getBestBridgeType(country));
-		}
-		for (String country : MEEK_BRIDGES) {
-			assertEquals(MEEK, provider.getBestBridgeType(country));
-		}
-		assertEquals(DEFAULT_OBFS4, provider.getBestBridgeType("ZZ"));
-	}
-
-	private <T> void assertEmptyIntersection(Set<T> a, Set<T> b) {
-		Set<T> intersection = new HashSet<>(a);
-		intersection.retainAll(b);
-		assertTrue(intersection.isEmpty());
-	}
-}

bramble-core/src/test/java/org/briarproject/bramble/test/TestFeatureFlagModule.java

@@ -24,21 +24,6 @@ public class TestFeatureFlagModule {
 			public boolean shouldEnableDisappearingMessages() {
 				return true;
 			}
-
-			@Override
-			public boolean shouldEnablePrivateGroupsInCore() {
-				return true;
-			}
-
-			@Override
-			public boolean shouldEnableForumsInCore() {
-				return true;
-			}
-
-			@Override
-			public boolean shouldEnableBlogsInCore() {
-				return true;
-			}
 		};
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/transport/StreamReaderImplTest.java

@@ -1,17 +1,19 @@
 package org.briarproject.bramble.transport;
 
 import org.briarproject.bramble.api.crypto.StreamDecrypter;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
 import org.junit.Test;
 
 import static org.briarproject.bramble.api.transport.TransportConstants.MAX_PAYLOAD_LENGTH;
 import static org.junit.Assert.assertEquals;
 
-public class StreamReaderImplTest extends BrambleMockTestCase {
+public class StreamReaderImplTest extends BrambleTestCase {
 
 	@Test
 	public void testEmptyFramesAreSkipped() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -28,11 +30,13 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 		assertEquals(0, r.read()); // Read another byte
 		assertEquals(-1, r.read()); // Skip the second empty frame, reach EOF
 		assertEquals(-1, r.read()); // Still at EOF
+		context.assertIsSatisfied();
 		r.close();
 	}
 
 	@Test
 	public void testEmptyFramesAreSkippedWithBuffer() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -52,11 +56,13 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 		assertEquals(-1, r.read(buf));
 		// Still at EOF
 		assertEquals(-1, r.read(buf));
+		context.assertIsSatisfied();
 		r.close();
 	}
 
 	@Test
 	public void testMultipleReadsPerFrame() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -72,11 +78,13 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 		assertEquals(MAX_PAYLOAD_LENGTH / 2, r.read(buf));
 		// Reach EOF
 		assertEquals(-1, r.read(buf, 0, buf.length));
+		context.assertIsSatisfied();
 		r.close();
 	}
 
 	@Test
 	public void testMultipleReadsPerFrameWithOffsets() throws Exception {
+		Mockery context = new Mockery();
 		StreamDecrypter decrypter = context.mock(StreamDecrypter.class);
 		context.checking(new Expectations() {{
 			oneOf(decrypter).readFrame(with(any(byte[].class)));
@@ -94,6 +102,7 @@ public class StreamReaderImplTest extends BrambleMockTestCase {
 				MAX_PAYLOAD_LENGTH / 2));
 		// Reach EOF
 		assertEquals(-1, r.read(buf, 0, buf.length));
+		context.assertIsSatisfied();
 		r.close();
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/transport/StreamWriterImplTest.java

@@ -1,17 +1,19 @@
 package org.briarproject.bramble.transport;
 
 import org.briarproject.bramble.api.crypto.StreamEncrypter;
-import org.briarproject.bramble.test.BrambleMockTestCase;
+import org.briarproject.bramble.test.BrambleTestCase;
 import org.jmock.Expectations;
+import org.jmock.Mockery;
 import org.junit.Test;
 
 import static org.briarproject.bramble.api.transport.TransportConstants.MAX_PAYLOAD_LENGTH;
 import static org.junit.Assert.assertEquals;
 
-public class StreamWriterImplTest extends BrambleMockTestCase {
+public class StreamWriterImplTest extends BrambleTestCase {
 
 	@Test
 	public void testCloseWithoutWritingWritesFinalFrame() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		context.checking(new Expectations() {{
 			// Write an empty final frame
@@ -22,11 +24,13 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 		}});
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testFlushWithoutBufferedDataWritesFrameAndFlushes()
 			throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -47,11 +51,13 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testFlushWithBufferedDataWritesFrameAndFlushes()
 			throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -73,10 +79,12 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testSingleByteWritesWriteFullFrame() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -95,10 +103,12 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testMultiByteWritesWriteFullFrames() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -124,10 +134,12 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 			oneOf(encrypter).flush();
 		}});
 		w.close();
+		context.assertIsSatisfied();
 	}
 
 	@Test
 	public void testLargeMultiByteWriteWritesFullFrames() throws Exception {
+		Mockery context = new Mockery();
 		StreamEncrypter encrypter = context.mock(StreamEncrypter.class);
 		StreamWriterImpl w = new StreamWriterImpl(encrypter);
 		context.checking(new Expectations() {{
@@ -145,5 +157,6 @@ public class StreamWriterImplTest extends BrambleMockTestCase {
 		w.write(b);
 		// There should be one byte left in the buffer
 		w.close();
+		context.assertIsSatisfied();
 	}
 }

bramble-core/src/test/java/org/briarproject/bramble/transport/TransportKeyManagerImplTest.java

@@ -393,76 +393,6 @@ public class TransportKeyManagerImplTest extends BrambleMockTestCase {
 		assertNull(transportKeyManager.getStreamContext(txn, tag));
 	}
 
-	@Test
-	public void testGetStreamContextOnlyAndMarkTag() throws Exception {
-		boolean alice = random.nextBoolean();
-		TransportKeys transportKeys = createTransportKeys(1000, 0, true);
-		Transaction txn = new Transaction(null, false);
-
-		// Keep a copy of the tags
-		List<byte[]> tags = new ArrayList<>();
-
-		context.checking(new Expectations() {{
-			oneOf(transportCrypto).deriveRotationKeys(transportId, rootKey,
-					1000, alice, true);
-			will(returnValue(transportKeys));
-			// Get the current time (the start of time period 1000)
-			oneOf(clock).currentTimeMillis();
-			will(returnValue(timePeriodLength * 1000));
-			// Encode the tags (3 sets)
-			for (long i = 0; i < REORDERING_WINDOW_SIZE; i++) {
-				exactly(3).of(transportCrypto).encodeTag(
-						with(any(byte[].class)), with(tagKey),
-						with(PROTOCOL_VERSION), with(i));
-				will(new EncodeTagAction(tags));
-			}
-			// Updated the transport keys (the keys are unaffected)
-			oneOf(transportCrypto).updateTransportKeys(transportKeys, 1000);
-			will(returnValue(transportKeys));
-			// Save the keys
-			oneOf(db).addTransportKeys(txn, contactId, transportKeys);
-			will(returnValue(keySetId));
-			// Encode a new tag after sliding the window
-			oneOf(transportCrypto).encodeTag(with(any(byte[].class)),
-					with(tagKey), with(PROTOCOL_VERSION),
-					with((long) REORDERING_WINDOW_SIZE));
-			will(new EncodeTagAction(tags));
-			// Save the reordering window (previous time period, base 1)
-			oneOf(db).setReorderingWindow(txn, keySetId, transportId, 999,
-					1, new byte[REORDERING_WINDOW_SIZE / 8]);
-		}});
-
-		// The timestamp is at the start of time period 1000
-		long timestamp = timePeriodLength * 1000;
-		assertEquals(keySetId, transportKeyManager.addRotationKeys(
-				txn, contactId, rootKey, timestamp, alice, true));
-		assertTrue(transportKeyManager.canSendOutgoingStreams(contactId));
-		// Use the first tag (previous time period, stream number 0)
-		assertEquals(REORDERING_WINDOW_SIZE * 3, tags.size());
-		byte[] tag = tags.get(0);
-		// Repeated request should return same stream context
-		StreamContext ctx = transportKeyManager.getStreamContextOnly(txn, tag);
-		assertNotNull(ctx);
-		assertEquals(contactId, ctx.getContactId());
-		assertEquals(transportId, ctx.getTransportId());
-		assertEquals(tagKey, ctx.getTagKey());
-		assertEquals(headerKey, ctx.getHeaderKey());
-		assertEquals(0L, ctx.getStreamNumber());
-		ctx = transportKeyManager.getStreamContextOnly(txn, tag);
-		assertNotNull(ctx);
-		assertEquals(contactId, ctx.getContactId());
-		assertEquals(transportId, ctx.getTransportId());
-		assertEquals(tagKey, ctx.getTagKey());
-		assertEquals(headerKey, ctx.getHeaderKey());
-		assertEquals(0L, ctx.getStreamNumber());
-		// Then mark tag as recognised
-		transportKeyManager.markTagAsRecognised(txn, tag);
-		// Another tag should have been encoded
-		assertEquals(REORDERING_WINDOW_SIZE * 3 + 1, tags.size());
-		// Finally ensure the used tag is not recognised again
-		assertNull(transportKeyManager.getStreamContextOnly(txn, tag));
-	}
-
 	@Test
 	public void testKeysAreUpdatedToCurrentPeriod() throws Exception {
 		TransportKeys transportKeys = createTransportKeys(1000, 0, true);

bramble-core/witness.gradle

@@ -1,9 +1,7 @@
 dependencyVerification {
     verify = [
+        'antlr:antlr:2.7.7:antlr-2.7.7.jar:88fbda4b912596b9f56e8e12e580cc954bacfb51776ecfddd3e18fc1cf56dc4c',
         'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
-        'com.fasterxml.jackson.core:jackson-annotations:2.13.0:jackson-annotations-2.13.0.jar:81f9724d8843e8b08f8f6c0609e7a2b030d00c34861c4ac7e2099a7235047d6f',
-        'com.fasterxml.jackson.core:jackson-core:2.13.0:jackson-core-2.13.0.jar:348bc59b348df2e807b356f1d62d2afb41a974073328abc773eb0932b855d2c8',
-        'com.fasterxml.jackson.core:jackson-databind:2.13.0:jackson-databind-2.13.0.jar:9c826d27176268777adcf97e1c6e2051c7e33a7aaa2c370c2e8c6077fd9da3f4',
         'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
         'com.google.dagger:dagger-compiler:2.33:dagger-compiler-2.33.jar:aa8a0d8370c578fd6999802d0d90b9829377a46d2c1141e11b8f737970e7155e',
@@ -11,19 +9,21 @@ dependencyVerification {
         'com.google.dagger:dagger-spi:2.33:dagger-spi-2.33.jar:e2dcab2221b8afb9556ef0a1c83b0bd5f42552e254322a257330f754cdbbb9d4',
         'com.google.dagger:dagger:2.33:dagger-2.33.jar:d8798c5b8cf6b125234e33af5c6293bb9f2208ce29b57924c35b8c0be7b6bdcb',
         'com.google.errorprone:error_prone_annotations:2.2.0:error_prone_annotations-2.2.0.jar:6ebd22ca1b9d8ec06d41de8d64e0596981d9607b42035f9ed374f9de271a481a',
+        'com.google.errorprone:error_prone_annotations:2.3.2:error_prone_annotations-2.3.2.jar:357cd6cfb067c969226c442451502aee13800a24e950fdfde77bcdb4565a668d',
         'com.google.errorprone:javac-shaded:9-dev-r4023-3:javac-shaded-9-dev-r4023-3.jar:65bfccf60986c47fbc17c9ebab0be626afc41741e0a6ec7109e0768817a36f30',
         'com.google.googlejavaformat:google-java-format:1.5:google-java-format-1.5.jar:aa19ad7850fb85178aa22f2fddb163b84d6ce4d0035872f30d4408195ca1144e',
         'com.google.guava:failureaccess:1.0.1:failureaccess-1.0.1.jar:a171ee4c734dd2da837e4b16be9df4661afab72a41adaf31eb84dfdaf936ca26',
         'com.google.guava:guava:27.1-jre:guava-27.1-jre.jar:4a5aa70cc968a4d137e599ad37553e5cfeed2265e8c193476d7119036c536fe7',
+        'com.google.guava:guava:28.1-jre:guava-28.1-jre.jar:30beb8b8527bd07c6e747e77f1a92122c2f29d57ce347461a4a55eb26e382da4',
         'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
         'com.google.j2objc:j2objc-annotations:1.1:j2objc-annotations-1.1.jar:2994a7eb78f2710bd3d3bfb639b2c94e219cedac0d4d084d516e78c16dddecf6',
+        'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
         'com.h2database:h2:1.4.192:h2-1.4.192.jar:225b22e9857235c46c93861410b60b8c81c10dc8985f4faf188985ba5445126c',
-        'com.squareup.okhttp3:mockwebserver:4.9.3:mockwebserver-4.9.3.jar:9c8c581c29f22f877a35d11380462f75bb24bf1886204fe835ee695594a2784e',
+        'com.puppycrawl.tools:checkstyle:8.27:checkstyle-8.27.jar:26c81958a112ebdfc5d7b40507bbfc8f15f606fea1e55ef5675609ddb41a6053',
-        'com.squareup.okhttp3:okhttp:3.12.13:okhttp-3.12.13.jar:508234e024ef7e270ab1a6d5b356f5b98e786511239ca986d684fd1e2cf7bc82',
-        'com.squareup.okhttp3:okhttp:4.9.3:okhttp-4.9.3.jar:93ecd6cba19d87dccfe566ec848d91aae799e3cf16c00709358ea69bd9227219',
-        'com.squareup.okio:okio:1.15.0:okio-1.15.0.jar:693fa319a7e8843300602b204023b7674f106ebcb577f2dd5807212b66118bd2',
-        'com.squareup.okio:okio:2.8.0:okio-jvm-2.8.0.jar:4496b06e73982fcdd8a5393f46e5df2ce2fa4465df5895454cac68a32f09bbc8',
         'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
+        'commons-beanutils:commons-beanutils:1.9.4:commons-beanutils-1.9.4.jar:7d938c81789028045c08c065e94be75fc280527620d5bd62b519d5838532368a',
+        'commons-collections:commons-collections:3.2.2:commons-collections-3.2.2.jar:eeeae917917144a68a741d4c0dff66aa5c5c5fd85593ff217bced3fc8ca783b8',
+        'info.picocli:picocli:4.1.1:picocli-4.1.1.jar:9238b6af4ded57dcfedf6f7dbcf2bdf334dae2f118ea2a0bd6d05066e63ee6fc',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
         'junit:junit:4.13.2:junit-4.13.2.jar:8e495b634469d64fb8acfa3495a065cbacc8a0fff55ce1e31007be4c16dc57d3',
@@ -32,25 +32,25 @@ dependencyVerification {
         'net.jcip:jcip-annotations:1.0:jcip-annotations-1.0.jar:be5805392060c71474bf6c9a67a099471274d30b83eef84bfc4e0889a4f1dcc0',
         'net.jodah:concurrentunit:0.4.2:concurrentunit-0.4.2.jar:5583078e1acf91734939e985bc9e7ee947b0e93a8eef679da6bb07bbeb47ced3',
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
+        'net.sf.saxon:Saxon-HE:9.9.1-5:Saxon-HE-9.9.1-5.jar:4b39a9e30d5b634b5e91db5f0c6937f176d4517543ababc9b5e01830b8c56620',
+        'org.antlr:antlr4-runtime:4.7.2:antlr4-runtime-4.7.2.jar:4c518b87d4bdff8b44cd8cbc1af816e944b62a3fe5b80b781501cf1f4759bbc4',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
         'org.bitlet:weupnp:0.1.4:weupnp-0.1.4.jar:88df7e6504929d00bdb832863761385c68ab92af945b04f0770b126270a444fb',
-        'org.bouncycastle:bcprov-jdk15to18:1.70:bcprov-jdk15to18-1.70.jar:7df4c54f29ce2dd616dc3b198ca4db3dfcc79e3cb397c084a0aff97b85c0bf38',
+        'org.bouncycastle:bcprov-jdk15on:1.69:bcprov-jdk15on-1.69.jar:e469bd39f936999f256002631003ff022a22951da9d5bd9789c7abfa9763a292',
         'org.briarproject:jtorctl:0.3:jtorctl-0.3.jar:f2939238a097898998432effe93b0334d97a787972ab3a91a8973a1d309fc864',
         'org.checkerframework:checker-compat-qual:2.5.3:checker-compat-qual-2.5.3.jar:d76b9afea61c7c082908023f0cbc1427fab9abd2df915c8b8a3e7a509bccbc6d',
         'org.checkerframework:checker-qual:2.5.2:checker-qual-2.5.2.jar:64b02691c8b9d4e7700f8ee2e742dce7ea2c6e81e662b7522c9ee3bf568c040a',
+        'org.checkerframework:checker-qual:2.8.1:checker-qual-2.8.1.jar:9103499008bcecd4e948da29b17864abb64304e15706444ae209d17ebe0575df',
         'org.codehaus.mojo.signature:java16:1.1:java16-1.1.signature:53799223a2c98dba2d0add810bed76315460df285c69e4f397ae6098f87dd619',
         'org.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',
+        'org.codehaus.mojo:animal-sniffer-annotations:1.18:animal-sniffer-annotations-1.18.jar:47f05852b48ee9baefef80fa3d8cea60efa4753c0013121dd7fe5eef2e5c729d',
         'org.codehaus.mojo:animal-sniffer-ant-tasks:1.20:animal-sniffer-ant-tasks-1.20.jar:bb7d2498144118311d968bb08ff6fae3fc535fb1cb9cca8b8e9ea65b189422ac',
         'org.codehaus.mojo:animal-sniffer:1.20:animal-sniffer-1.20.jar:80c422523c38db91260c6d78e5ee4b012862ab61cc55020c9e243dd7b5c62249',
         'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',
         'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
         'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',
         'org.hsqldb:hsqldb:2.3.5:hsqldb-2.3.5.jar:6676a6977ac98997a80f827ddbd3fe8ca1e0853dad1492512135fd1a222ccfad',
-        'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.10:kotlin-stdlib-common-1.4.10.jar:4681f2d436a68c7523595d84ed5758e1382f9da0f67c91e6a848690d711274fe',
         'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.20:kotlin-stdlib-common-1.4.20.jar:a7112c9b3cefee418286c9c9372f7af992bd1e6e030691d52f60cb36dbec8320',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.4.10:kotlin-stdlib-jdk7-1.4.10.jar:f9566380c08722c780ce33ceee23e98ddf765ca98fabd3e2fabae7975c8d232b',
-        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.10:kotlin-stdlib-jdk8-1.4.10.jar:39b7a9442d7a3865e0f4a732c56c1d5da0e11ffb3bb82a461d32deb0c0ca7673',
-        'org.jetbrains.kotlin:kotlin-stdlib:1.4.10:kotlin-stdlib-1.4.10.jar:01ecb09782c042b931c1839acf21a188340b295d05400afd6e3415d4475b8daa',
         'org.jetbrains.kotlin:kotlin-stdlib:1.4.20:kotlin-stdlib-1.4.20.jar:b8ab1da5cdc89cb084d41e1f28f20a42bd431538642a5741c52bbfae3fa3e656',
         'org.jetbrains.kotlinx:kotlinx-metadata-jvm:0.1.0:kotlinx-metadata-jvm-0.1.0.jar:9753bb39efef35957c5c15df9a3cb769aabf2cdfa74b47afcb7760e5146be3b5',
         'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',

bramble-java/build.gradle

@@ -2,6 +2,7 @@ apply plugin: 'java-library'
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
+apply plugin: 'checkstyle'
 apply plugin: 'idea'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
@@ -17,8 +18,8 @@ dependencies {
 	def jna_version = '4.5.2'
 	implementation "net.java.dev.jna:jna:$jna_version"
 	implementation "net.java.dev.jna:jna-platform:$jna_version"
-	tor "org.briarproject:tor:$tor_version"
+	tor 'org.briarproject:tor:0.3.5.15'
-	tor "org.briarproject:obfs4proxy:$obfs4proxy_version@zip"
+	tor 'org.briarproject:obfs4proxy:0.0.12-dev-40245c4a@zip'
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
@@ -27,6 +28,7 @@ dependencies {
 	testImplementation "junit:junit:$junit_version"
 	testImplementation "org.jmock:jmock:$jmock_version"
 	testImplementation "org.jmock:jmock-junit4:$jmock_version"
+	testImplementation "org.jmock:jmock-legacy:$jmock_version"
 
 	testAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 }

bramble-java/src/main/java/org/briarproject/bramble/plugin/modem/CountryCodes.java

@@ -81,33 +81,36 @@ class CountryCodes {
 		new Country("GA", "Gabonese Republic", "241", "00", ""),
 		new Country("GB", "United Kingdom", "44", "00", "0"),
 		new Country("GD", "Grenada", "1", "011", "4"),
-		new Country("GE", "Georgia", "995", "8**10", "8"),
+			new Country("GE", "Georgia", "995", "8**10", "8"),
-		new Country("GF", "French Guiana", "594", "00", ""),
+			new Country("GF", "French Guiana", "594", "00", ""),
-		new Country("GH", "Ghana", "233", "00", ""),
+			new Country("GH", "Ghana", "233", "00", ""),
-		new Country("GI", "Gibraltar", "350", "00", ""),
+			new Country("GI", "Gibraltar", "350", "00", ""),
-		new Country("GL", "Greenland", "299", "00", ""),
+			new Country("GL", "Greenland", "299", "00", ""),
-		new Country("GM", "Gambia", "220", "00", ""),
+			new Country("GM", "Gambia", "220", "00", ""),
-		new Country("GN", "Guinea", "224", "00", "0"),
+			new Country("GN", "Guinea", "224", "00", "0"),
-		new Country("GP", "Guadeloupe", "590", "00", ""),
+			new Country("GP", "Guadeloupe", "590", "00", ""),
-		new Country("GQ", "Equatorial Guinea", "240", "00", ""),
+			new Country("GQ", "Equatorial Guinea", "240", "00", ""),
-		new Country("GR", "Greece", "30", "00", ""),
+			new Country("GR", "Greece", "30", "00", ""),
-		new Country("GS", "South Georgia and the South Sandwich Islands", "995", "8**10", "8"),
+			new Country("GS", "South Georgia and the South Sandwich Islands",
-		new Country("GT", "Guatemala", "502", "00", ""),
+					"995", "8**10", "8"),
-		new Country("GU", "Guam", "1", "011", "1"),
+			new Country("GT", "Guatemala", "502", "00", ""),
-		new Country("GW", "Guinea-Bissau", "245", "00", ""),
+			new Country("GU", "Guam", "1", "011", "1"),
-		new Country("GY", "Guyana", "592", "001", "0"),
+			new Country("GW", "Guinea-Bissau", "245", "00", ""),
-		new Country("HK", "Hong Kong", "852", "001", ""),
+			new Country("GY", "Guyana", "592", "001", "0"),
-		new Country("HM", "Heard Island and McDonald Islands", "692", "00", "0"),
+			new Country("HK", "Hong Kong", "852", "001", ""),
-		new Country("HN", "Honduras", "504", "00", "0"),
+			new Country("HM", "Heard Island and McDonald Islands",
-		new Country("HR", "Croatia", "385", "00", "0"),
+					"692", "00", "0"),
-		new Country("HT", "Haiti", "509", "00", "0"),
+			new Country("HN", "Honduras", "504", "00", "0"),
-		new Country("HU", "Hungary", "36", "00", "06"),
+			new Country("HR", "Croatia", "385", "00", "0"),
-		new Country("ID", "Indonesia", "62", "001", "0"),
+			new Country("HT", "Haiti", "509", "00", "0"),
-		new Country("IE", "Ireland", "353", "00", "0"),
+			new Country("HU", "Hungary", "36", "00", "06"),
-		new Country("IL", "Israel", "972", "00", "0"),
+			new Country("ID", "Indonesia", "62", "001", "0"),
-		new Country("IN", "India", "91", "00", "0"),
+			new Country("IE", "Ireland", "353", "00", "0"),
-		new Country("IO", "British Indian Ocean Territory", "246", "00", ""),
+			new Country("IL", "Israel", "972", "00", "0"),
-		new Country("IQ", "Iraq", "964", "00", "0"),
+			new Country("IN", "India", "91", "00", "0"),
+			new Country("IO", "British Indian Ocean Territory", "246", "00",
+					""),
+			new Country("IQ", "Iraq", "964", "00", "0"),
 		new Country("IR", "Iran", "98", "00", "0"),
 		new Country("IS", "Iceland", "354", "00", "0"),
 		new Country("IT", "Italy", "39", "00", ""),

bramble-java/src/main/java/org/briarproject/bramble/plugin/modem/SerialPortImpl.java

@@ -28,7 +28,8 @@ class SerialPortImpl implements SerialPort {
 	@Override
 	public void closePort() throws IOException {
 		try {
-			if (!port.closePort()) throw new IOException("Failed to close port");
+			if (!port.closePort())
+				throw new IOException("Failed to close port");
 		} catch (SerialPortException e) {
 			throw new IOException(e);
 		}

bramble-java/src/main/java/org/briarproject/bramble/plugin/tor/UnixTorPluginFactory.java

@@ -1,7 +1,6 @@
 package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.api.battery.BatteryManager;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
 import org.briarproject.bramble.api.network.NetworkManager;
@@ -59,7 +58,6 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 	private final File torDirectory;
 	private int torSocksPort;
 	private int torControlPort;
-	private final CryptoComponent crypto;
 
 	@Inject
 	UnixTorPluginFactory(@IoExecutor Executor ioExecutor,
@@ -75,8 +73,7 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 			Clock clock,
 			@TorDirectory File torDirectory,
 			@TorSocksPort int torSocksPort,
-			@TorControlPort int torControlPort,
+			@TorControlPort int torControlPort) {
-			CryptoComponent crypto) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.networkManager = networkManager;
@@ -91,7 +88,6 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 		this.torDirectory = torDirectory;
 		this.torSocksPort = torSocksPort;
 		this.torControlPort = torControlPort;
-		this.crypto = crypto;
 	}
 
 	@Override
@@ -132,8 +128,7 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
-		TorRendezvousCrypto torRendezvousCrypto =
+		TorRendezvousCrypto torRendezvousCrypto = new TorRendezvousCryptoImpl();
-				new TorRendezvousCryptoImpl(crypto);
 		UnixTorPlugin plugin = new UnixTorPlugin(ioExecutor, wakefulIoExecutor,
 				networkManager, locationUtils, torSocketFactory, clock,
 				resourceProvider, circumventionProvider, batteryManager,

bramble-java/src/test/java/org/briarproject/bramble/plugin/tor/BridgeTest.java

@@ -2,18 +2,15 @@ package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.BrambleCoreIntegrationTestEagerSingletons;
 import org.briarproject.bramble.api.battery.BatteryManager;
-import org.briarproject.bramble.api.crypto.CryptoComponent;
 import org.briarproject.bramble.api.event.EventBus;
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
 import org.briarproject.bramble.api.network.NetworkManager;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.system.Clock;
 import org.briarproject.bramble.api.system.LocationUtils;
 import org.briarproject.bramble.api.system.ResourceProvider;
 import org.briarproject.bramble.api.system.WakefulIoExecutor;
-import org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType;
 import org.briarproject.bramble.test.BrambleJavaIntegrationTestComponent;
 import org.briarproject.bramble.test.BrambleTestCase;
 import org.briarproject.bramble.test.DaggerBrambleJavaIntegrationTestComponent;
@@ -36,14 +33,11 @@ import javax.inject.Inject;
 import javax.net.SocketFactory;
 
 import static java.util.Collections.singletonList;
-import static java.util.concurrent.TimeUnit.MINUTES;
+import static java.util.concurrent.TimeUnit.SECONDS;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.api.plugin.Plugin.State.ACTIVE;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_CONTROL_PORT;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_SOCKS_PORT;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.DEFAULT_OBFS4;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
-import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.NON_DEFAULT_OBFS4;
 import static org.briarproject.bramble.test.TestUtils.deleteTestDirectory;
 import static org.briarproject.bramble.test.TestUtils.getTestDirectory;
 import static org.briarproject.bramble.test.TestUtils.isOptionalTestEnabled;
@@ -62,21 +56,14 @@ public class BridgeTest extends BrambleTestCase {
 				.injectEagerSingletons(component);
 		// Share a failure counter among all the test instances
 		AtomicInteger failures = new AtomicInteger(0);
-		CircumventionProvider provider = component.getCircumventionProvider();
+		List<String> bridges =
-		List<Params> states = new ArrayList<>();
+				component.getCircumventionProvider().getBridges(false);
-		for (String bridge : provider.getBridges(DEFAULT_OBFS4)) {
+		List<Params> states = new ArrayList<>(bridges.size());
-			states.add(new Params(bridge, DEFAULT_OBFS4, failures, false));
+		for (String bridge : bridges) states.add(new Params(bridge, failures));
-		}
-		for (String bridge : provider.getBridges(NON_DEFAULT_OBFS4)) {
-			states.add(new Params(bridge, NON_DEFAULT_OBFS4, failures, false));
-		}
-		for (String bridge : provider.getBridges(MEEK)) {
-			states.add(new Params(bridge, MEEK, failures, true));
-		}
 		return states;
 	}
 
-	private final static long TIMEOUT = MINUTES.toMillis(5);
+	private final static long TIMEOUT = SECONDS.toMillis(60);
 	private final static int NUM_FAILURES_ALLOWED = 1;
 
 	private final static Logger LOG = getLogger(BridgeTest.class.getName());
@@ -101,16 +88,16 @@ public class BridgeTest extends BrambleTestCase {
 	BackoffFactory backoffFactory;
 	@Inject
 	Clock clock;
-	@Inject
-	CryptoComponent crypto;
 
 	private final File torDir = getTestDirectory();
-	private final Params params;
+	private final String bridge;
+	private final AtomicInteger failures;
 
 	private UnixTorPluginFactory factory;
 
 	public BridgeTest(Params params) {
-		this.params = params;
+		bridge = params.bridge;
+		failures = params.failures;
 	}
 
 	@Before
@@ -130,7 +117,6 @@ public class BridgeTest extends BrambleTestCase {
 		LocationUtils locationUtils = () -> "US";
 		SocketFactory torSocketFactory = SocketFactory.getDefault();
 
-		@NotNullByDefault
 		CircumventionProvider bridgeProvider = new CircumventionProvider() {
 			@Override
 			public boolean isTorProbablyBlocked(String countryCode) {
@@ -143,20 +129,20 @@ public class BridgeTest extends BrambleTestCase {
 			}
 
 			@Override
-			public BridgeType getBestBridgeType(String countryCode) {
+			public boolean needsMeek(String countryCode) {
-				return params.bridgeType;
+				return false;
 			}
 
 			@Override
-			public List<String> getBridges(BridgeType bridgeType) {
+			public List<String> getBridges(boolean useMeek) {
-				return singletonList(params.bridge);
+				return singletonList(bridge);
 			}
 		};
 		factory = new UnixTorPluginFactory(ioExecutor, wakefulIoExecutor,
 				networkManager, locationUtils, eventBus, torSocketFactory,
 				backoffFactory, resourceProvider, bridgeProvider,
 				batteryManager, clock, torDir, DEFAULT_SOCKS_PORT,
-				DEFAULT_CONTROL_PORT, crypto);
+				DEFAULT_CONTROL_PORT);
 	}
 
 	@After
@@ -171,7 +157,7 @@ public class BridgeTest extends BrambleTestCase {
 		assertNotNull(duplexPlugin);
 		UnixTorPlugin plugin = (UnixTorPlugin) duplexPlugin;
 
-		LOG.warning("Testing " + params.bridge);
+		LOG.warning("Testing " + bridge);
 		try {
 			plugin.start();
 			long start = clock.currentTimeMillis();
@@ -181,11 +167,8 @@ public class BridgeTest extends BrambleTestCase {
 			}
 			if (plugin.getState() != ACTIVE) {
 				LOG.warning("Could not connect to Tor within timeout");
-				if (params.failures.incrementAndGet() > NUM_FAILURES_ALLOWED) {
+				if (failures.incrementAndGet() > NUM_FAILURES_ALLOWED) {
-					fail(params.failures.get() + " bridges are unreachable");
+					fail(failures.get() + " bridges are unreachable");
-				}
-				if (params.mustSucceed) {
-					fail("essential bridge is unreachable");
 				}
 			}
 		} finally {
@@ -196,16 +179,11 @@ public class BridgeTest extends BrambleTestCase {
 	private static class Params {
 
 		private final String bridge;
-		private final BridgeType bridgeType;
 		private final AtomicInteger failures;
-		private final boolean mustSucceed;
 
-		private Params(String bridge, BridgeType bridgeType,
+		private Params(String bridge, AtomicInteger failures) {
-				AtomicInteger failures, boolean mustSucceed) {
 			this.bridge = bridge;
-			this.bridgeType = bridgeType;
 			this.failures = failures;
-			this.mustSucceed = mustSucceed;
 		}
 	}
 }

bramble-java/witness.gradle

@@ -1,5 +1,6 @@
 dependencyVerification {
     verify = [
+        'antlr:antlr:2.7.7:antlr-2.7.7.jar:88fbda4b912596b9f56e8e12e580cc954bacfb51776ecfddd3e18fc1cf56dc4c',
         'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
         'com.google.code.findbugs:annotations:3.0.1:annotations-3.0.1.jar:6b47ff0a6de0ce17cbedc3abb0828ca5bce3009d53ea47b3723ff023c4742f79',
         'com.google.code.findbugs:jsr305:3.0.2:jsr305-3.0.2.jar:766ad2a0783f2687962c8ad74ceecc38a28b9f72a2d085ee438b7813e928d0c7',
@@ -8,13 +9,20 @@ dependencyVerification {
         'com.google.dagger:dagger-spi:2.33:dagger-spi-2.33.jar:e2dcab2221b8afb9556ef0a1c83b0bd5f42552e254322a257330f754cdbbb9d4',
         'com.google.dagger:dagger:2.33:dagger-2.33.jar:d8798c5b8cf6b125234e33af5c6293bb9f2208ce29b57924c35b8c0be7b6bdcb',
         'com.google.errorprone:error_prone_annotations:2.2.0:error_prone_annotations-2.2.0.jar:6ebd22ca1b9d8ec06d41de8d64e0596981d9607b42035f9ed374f9de271a481a',
+        'com.google.errorprone:error_prone_annotations:2.3.2:error_prone_annotations-2.3.2.jar:357cd6cfb067c969226c442451502aee13800a24e950fdfde77bcdb4565a668d',
         'com.google.errorprone:javac-shaded:9-dev-r4023-3:javac-shaded-9-dev-r4023-3.jar:65bfccf60986c47fbc17c9ebab0be626afc41741e0a6ec7109e0768817a36f30',
         'com.google.googlejavaformat:google-java-format:1.5:google-java-format-1.5.jar:aa19ad7850fb85178aa22f2fddb163b84d6ce4d0035872f30d4408195ca1144e',
         'com.google.guava:failureaccess:1.0.1:failureaccess-1.0.1.jar:a171ee4c734dd2da837e4b16be9df4661afab72a41adaf31eb84dfdaf936ca26',
         'com.google.guava:guava:27.1-jre:guava-27.1-jre.jar:4a5aa70cc968a4d137e599ad37553e5cfeed2265e8c193476d7119036c536fe7',
+        'com.google.guava:guava:28.1-jre:guava-28.1-jre.jar:30beb8b8527bd07c6e747e77f1a92122c2f29d57ce347461a4a55eb26e382da4',
         'com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava:listenablefuture-9999.0-empty-to-avoid-conflict-with-guava.jar:b372a037d4230aa57fbeffdef30fd6123f9c0c2db85d0aced00c91b974f33f99',
         'com.google.j2objc:j2objc-annotations:1.1:j2objc-annotations-1.1.jar:2994a7eb78f2710bd3d3bfb639b2c94e219cedac0d4d084d516e78c16dddecf6',
+        'com.google.j2objc:j2objc-annotations:1.3:j2objc-annotations-1.3.jar:21af30c92267bd6122c0e0b4d20cccb6641a37eaf956c6540ec471d584e64a7b',
+        'com.puppycrawl.tools:checkstyle:8.27:checkstyle-8.27.jar:26c81958a112ebdfc5d7b40507bbfc8f15f606fea1e55ef5675609ddb41a6053',
         'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
+        'commons-beanutils:commons-beanutils:1.9.4:commons-beanutils-1.9.4.jar:7d938c81789028045c08c065e94be75fc280527620d5bd62b519d5838532368a',
+        'commons-collections:commons-collections:3.2.2:commons-collections-3.2.2.jar:eeeae917917144a68a741d4c0dff66aa5c5c5fd85593ff217bced3fc8ca783b8',
+        'info.picocli:picocli:4.1.1:picocli-4.1.1.jar:9238b6af4ded57dcfedf6f7dbcf2bdf334dae2f118ea2a0bd6d05066e63ee6fc',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
         'junit:junit:4.13.2:junit-4.13.2.jar:8e495b634469d64fb8acfa3495a065cbacc8a0fff55ce1e31007be4c16dc57d3',
@@ -23,12 +31,16 @@ dependencyVerification {
         'net.java.dev.jna:jna:4.5.2:jna-4.5.2.jar:0c8eb7acf67261656d79005191debaba3b6bf5dd60a43735a245429381dbecff',
         'net.jcip:jcip-annotations:1.0:jcip-annotations-1.0.jar:be5805392060c71474bf6c9a67a099471274d30b83eef84bfc4e0889a4f1dcc0',
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
+        'net.sf.saxon:Saxon-HE:9.9.1-5:Saxon-HE-9.9.1-5.jar:4b39a9e30d5b634b5e91db5f0c6937f176d4517543ababc9b5e01830b8c56620',
+        'org.antlr:antlr4-runtime:4.7.2:antlr4-runtime-4.7.2.jar:4c518b87d4bdff8b44cd8cbc1af816e944b62a3fe5b80b781501cf1f4759bbc4',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
         'org.briarproject:obfs4proxy:0.0.12-dev-40245c4a:obfs4proxy-0.0.12-dev-40245c4a.zip:172029e7058b3a83ac93ac4991a44bf76e16ce8d46f558f5836d57da3cb3a766',
-        'org.briarproject:tor:0.3.5.17:tor-0.3.5.17.jar:ce0e1f4d8f14878e61b23a35a452bc0f2a8e3117ced5a74773cd78475fa7af39',
+        'org.briarproject:tor:0.3.5.15:tor-0.3.5.15.jar:2ff5b5a3b5eaa97d699629ad24ba9584b3199d0ffdb1ea7d8a02de3016b80e7a',
         'org.checkerframework:checker-compat-qual:2.5.3:checker-compat-qual-2.5.3.jar:d76b9afea61c7c082908023f0cbc1427fab9abd2df915c8b8a3e7a509bccbc6d',
         'org.checkerframework:checker-qual:2.5.2:checker-qual-2.5.2.jar:64b02691c8b9d4e7700f8ee2e742dce7ea2c6e81e662b7522c9ee3bf568c040a',
+        'org.checkerframework:checker-qual:2.8.1:checker-qual-2.8.1.jar:9103499008bcecd4e948da29b17864abb64304e15706444ae209d17ebe0575df',
         'org.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',
+        'org.codehaus.mojo:animal-sniffer-annotations:1.18:animal-sniffer-annotations-1.18.jar:47f05852b48ee9baefef80fa3d8cea60efa4753c0013121dd7fe5eef2e5c729d',
         'org.hamcrest:hamcrest-core:2.1:hamcrest-core-2.1.jar:e09109e54a289d88506b9bfec987ddd199f4217c9464132668351b9a4f00bee9',
         'org.hamcrest:hamcrest-library:2.1:hamcrest-library-2.1.jar:b7e2b6895b3b679f0e47b6380fda391b225e9b78505db9d8bdde8d3cc8d52a21',
         'org.hamcrest:hamcrest:2.1:hamcrest-2.1.jar:ba93b2e3a562322ba432f0a1b53addcc55cb188253319a020ed77f824e692050',

briar-android/build.gradle

@@ -1,4 +1,5 @@
 apply plugin: 'com.android.application'
+apply plugin: 'checkstyle'
 apply plugin: 'witness'
 apply from: 'witness.gradle'
 
@@ -26,8 +27,8 @@ android {
 	defaultConfig {
 		minSdkVersion 16
 		targetSdkVersion 30
-		versionCode 10404
+		versionCode 10401
-		versionName "1.4.4"
+		versionName "1.4.1"
 		applicationId "org.briarproject.briar.android"
 
 		vectorDrawables.useSupportLibrary = true
@@ -131,17 +132,17 @@ dependencies {
 	def espressoVersion = '3.3.0'
 	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
 	testImplementation project(path: ':bramble-core', configuration: 'testOutput')
-	testImplementation 'androidx.test:runner:1.4.0'
+	testImplementation 'androidx.test:runner:1.3.0'
-	testImplementation 'androidx.test.ext:junit:1.1.3'
+	testImplementation 'androidx.test.ext:junit:1.1.2'
-	testImplementation 'androidx.fragment:fragment-testing:1.4.0'
+	testImplementation 'androidx.fragment:fragment-testing:1.3.4'
 	testImplementation "androidx.arch.core:core-testing:2.1.0"
 	testImplementation "androidx.test.espresso:espresso-core:$espressoVersion"
-	testImplementation 'org.robolectric:robolectric:4.4'
+	testImplementation 'org.robolectric:robolectric:4.3.1'
 	testImplementation 'org.mockito:mockito-core:3.9.0'
 	testImplementation "junit:junit:$junit_version"
 	testImplementation "org.jmock:jmock:$jmock_version"
 	testImplementation "org.jmock:jmock-junit4:$jmock_version"
-	testImplementation "org.jmock:jmock-imposters:$jmock_version"
+	testImplementation "org.jmock:jmock-legacy:$jmock_version"
 	testAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
 	androidTestImplementation project(path: ':bramble-api', configuration: 'testOutput')

briar-android/proguard-rules.txt

@@ -3,8 +3,6 @@
 -dontobfuscate
 -keepattributes SourceFile, LineNumberTable, *Annotation*, Signature, InnerClasses, EnclosingMethod
 
--keep,includedescriptorclasses class org.briarproject.briar.android.**,org.briarproject.briar.api.android.** { *; }
-
 # QR codes
 -keep class com.google.zxing.Result
 -keepclassmembers enum * {

briar-android/src/main/AndroidManifest.xml

@@ -99,10 +99,6 @@
 			android:name="org.briarproject.briar.android.splash.ExpiredActivity"
 			android:label="@string/app_name" />
 
-		<activity
-			android:name="org.briarproject.briar.android.splash.ExpiredOldAndroidActivity"
-			android:label="@string/app_name" />
-
 		<activity
 			android:name="org.briarproject.briar.android.login.StartupActivity"
 			android:label="@string/app_name" />

briar-android/src/main/java/org/briarproject/briar/android/AppModule.java

@@ -43,7 +43,6 @@ import org.briarproject.briar.android.hotspot.HotspotModule;
 import org.briarproject.briar.android.introduction.IntroductionModule;
 import org.briarproject.briar.android.logging.LoggingModule;
 import org.briarproject.briar.android.login.LoginModule;
-import org.briarproject.briar.android.mailbox.MailboxModule;
 import org.briarproject.briar.android.navdrawer.NavDrawerModule;
 import org.briarproject.briar.android.privategroup.conversation.GroupConversationModule;
 import org.briarproject.briar.android.privategroup.list.GroupListModule;
@@ -56,7 +55,6 @@ import org.briarproject.briar.android.viewmodel.ViewModelModule;
 import org.briarproject.briar.api.android.AndroidNotificationManager;
 import org.briarproject.briar.api.android.DozeWatchdog;
 import org.briarproject.briar.api.android.LockManager;
-import org.briarproject.briar.api.android.NetworkUsageMetrics;
 import org.briarproject.briar.api.android.ScreenFilterMonitor;
 import org.briarproject.briar.api.test.TestAvatarCreator;
 
@@ -105,7 +103,6 @@ import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 		SharingModule.class,
 		HotspotModule.class,
 		TransferDataModule.class,
-		MailboxModule.class,
 })
 public class AppModule {
 
@@ -115,7 +112,7 @@ public class AppModule {
 		@Inject
 		ScreenFilterMonitor screenFilterMonitor;
 		@Inject
-		NetworkUsageMetrics networkUsageMetrics;
+		NetworkUsageLogger networkUsageLogger;
 		@Inject
 		DozeWatchdog dozeWatchdog;
 		@Inject
@@ -288,12 +285,11 @@ public class AppModule {
 	}
 
 	@Provides
-	@Singleton
+	NetworkUsageLogger provideNetworkUsageLogger(
-	NetworkUsageMetrics provideNetworkUsageMetrics(
 			LifecycleManager lifecycleManager) {
-		NetworkUsageMetrics networkUsageMetrics = new NetworkUsageMetricsImpl();
+		NetworkUsageLogger networkUsageLogger = new NetworkUsageLogger();
-		lifecycleManager.registerService(networkUsageMetrics);
+		lifecycleManager.registerService(networkUsageLogger);
-		return networkUsageMetrics;
+		return networkUsageLogger;
 	}
 
 	@Provides
@@ -339,21 +335,6 @@ public class AppModule {
 			public boolean shouldEnableDisappearingMessages() {
 				return true;
 			}
-
-			@Override
-			public boolean shouldEnablePrivateGroupsInCore() {
-				return true;
-			}
-
-			@Override
-			public boolean shouldEnableForumsInCore() {
-				return true;
-			}
-
-			@Override
-			public boolean shouldEnableBlogsInCore() {
-				return true;
-			}
 		};
 	}
 }

briar-android/src/main/java/org/briarproject/briar/android/NetworkUsageLogger.java

@@ -0,0 +1,40 @@
+package org.briarproject.briar.android;
+
+import android.net.TrafficStats;
+import android.os.Process;
+
+import org.briarproject.bramble.api.lifecycle.Service;
+
+import java.util.logging.Logger;
+
+import static java.util.logging.Level.INFO;
+import static org.briarproject.bramble.util.LogUtils.now;
+
+class NetworkUsageLogger implements Service {
+
+	private static final Logger LOG =
+			Logger.getLogger(NetworkUsageLogger.class.getName());
+
+	private volatile long startTime, rxBytes, txBytes;
+
+	@Override
+	public void startService() {
+		startTime = now();
+		int uid = Process.myUid();
+		rxBytes = TrafficStats.getUidRxBytes(uid);
+		txBytes = TrafficStats.getUidTxBytes(uid);
+	}
+
+	@Override
+	public void stopService() {
+		if (LOG.isLoggable(INFO)) {
+			long sessionDuration = now() - startTime;
+			int uid = Process.myUid();
+			long rx = TrafficStats.getUidRxBytes(uid) - rxBytes;
+			long tx = TrafficStats.getUidTxBytes(uid) - txBytes;
+			LOG.info("Duration " + (sessionDuration / 1000) + " seconds");
+			LOG.info("Received " + rx + " bytes");
+			LOG.info("Sent " + tx + " bytes");
+		}
+	}
+}

briar-android/src/main/java/org/briarproject/briar/android/NetworkUsageMetricsImpl.java

@@ -1,49 +0,0 @@
-package org.briarproject.briar.android;
-
-import android.net.TrafficStats;
-import android.os.Process;
-
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-import org.briarproject.briar.api.android.NetworkUsageMetrics;
-
-import java.util.logging.Logger;
-
-import static java.util.logging.Level.INFO;
-import static org.briarproject.bramble.util.LogUtils.now;
-
-@NotNullByDefault
-class NetworkUsageMetricsImpl implements NetworkUsageMetrics {
-
-	private static final Logger LOG =
-			Logger.getLogger(NetworkUsageMetricsImpl.class.getName());
-
-	private volatile long startTime, rxBytes, txBytes;
-
-	@Override
-	public void startService() {
-		startTime = now();
-		int uid = Process.myUid();
-		rxBytes = TrafficStats.getUidRxBytes(uid);
-		txBytes = TrafficStats.getUidTxBytes(uid);
-	}
-
-	@Override
-	public void stopService() {
-		if (LOG.isLoggable(INFO)) {
-			Metrics metrics = getMetrics();
-			LOG.info("Duration " + (metrics.getSessionDurationMs() / 1000)
-					+ " seconds");
-			LOG.info("Received " + metrics.getRxBytes() + " bytes");
-			LOG.info("Sent " + metrics.getTxBytes() + " bytes");
-		}
-	}
-
-	@Override
-	public Metrics getMetrics() {
-		long sessionDurationMs = now() - startTime;
-		int uid = Process.myUid();
-		long rx = TrafficStats.getUidRxBytes(uid) - rxBytes;
-		long tx = TrafficStats.getUidTxBytes(uid) - txBytes;
-		return new Metrics(sessionDurationMs, rx, tx);
-	}
-}

briar-android/src/main/java/org/briarproject/briar/android/TestingConstants.java

@@ -2,7 +2,6 @@ package org.briarproject.briar.android;
 
 import org.briarproject.briar.BuildConfig;
 
-import static android.os.Build.VERSION.SDK_INT;
 import static java.util.concurrent.TimeUnit.DAYS;
 
 public interface TestingConstants {
@@ -20,15 +19,10 @@ public interface TestingConstants {
 	 */
 	boolean PREVENT_SCREENSHOTS = !IS_DEBUG_BUILD;
 
-	boolean IS_OLD_ANDROID = SDK_INT <= 19;
-	long OLD_ANDROID_WARN_DATE = 1659225600_000L;   // 2022-07-31
-	long OLD_ANDROID_EXPIRY_DATE = 1675123200_000L; // 2023-01-31
-
 	/**
-	 * Debug builds expire after 90 days. Release builds running on Android 4
+	 * Debug builds expire after 90 days. Release builds expire after 292
-	 * expire at a set date, otherwise they expire after 292 million years.
+	 * million years.
 	 */
 	long EXPIRY_DATE = IS_DEBUG_BUILD ?
-			BuildConfig.BuildTimestamp + DAYS.toMillis(90)
+			BuildConfig.BuildTimestamp + DAYS.toMillis(90) : Long.MAX_VALUE;
-			: (IS_OLD_ANDROID ? OLD_ANDROID_EXPIRY_DATE : Long.MAX_VALUE);
 }

briar-android/src/main/java/org/briarproject/briar/android/activity/ActivityComponent.java

@@ -80,7 +80,6 @@ import org.briarproject.briar.android.sharing.ShareBlogFragment;
 import org.briarproject.briar.android.sharing.ShareForumActivity;
 import org.briarproject.briar.android.sharing.ShareForumFragment;
 import org.briarproject.briar.android.sharing.SharingModule;
-import org.briarproject.briar.android.splash.ExpiredOldAndroidActivity;
 import org.briarproject.briar.android.splash.SplashScreenActivity;
 import org.briarproject.briar.android.test.TestDataActivity;
 
@@ -183,8 +182,6 @@ public interface ActivityComponent {
 
 	void inject(RemovableDriveActivity activity);
 
-	void inject(ExpiredOldAndroidActivity activity);
-
 	// Fragments
 
 	void inject(SetupFragment fragment);

briar-android/src/main/java/org/briarproject/briar/android/contact/ContactListItem.java

@@ -40,10 +40,10 @@ public class ContactListItem extends ContactItem
 				item.unread, item.timestamp);
 	}
 
-	ContactListItem(ContactListItem item, long timestamp, boolean read) {
+	ContactListItem(ContactListItem item, ConversationMessageHeader h) {
 		this(item.getContact(), item.getAuthorInfo(), item.isConnected(), false,
-				read ? item.unread : item.unread + 1,
+				h.isRead() ? item.unread : item.unread + 1,
-				Math.max(timestamp, item.timestamp));
+				Math.max(h.getTimestamp(), item.timestamp));
 	}
 
 	/**

briar-android/src/main/java/org/briarproject/briar/android/contact/ContactsViewModel.java

@@ -28,7 +28,6 @@ import org.briarproject.briar.api.client.MessageTracker;
 import org.briarproject.briar.api.conversation.ConversationManager;
 import org.briarproject.briar.api.conversation.ConversationMessageHeader;
 import org.briarproject.briar.api.conversation.event.ConversationMessageReceivedEvent;
-import org.briarproject.briar.api.conversation.event.ConversationMessageTrackedEvent;
 import org.briarproject.briar.api.identity.AuthorInfo;
 import org.briarproject.briar.api.identity.AuthorManager;
 
@@ -132,14 +131,13 @@ public class ContactsViewModel extends DbViewModel implements EventListener {
 		} else if (e instanceof ContactRemovedEvent) {
 			LOG.info("Contact removed, removing item");
 			removeItem(((ContactRemovedEvent) e).getContactId());
-		} else if (e instanceof ConversationMessageTrackedEvent) {
+		} else if (e instanceof ConversationMessageReceivedEvent) {
-			LOG.info("Conversation message tracked, updating item");
+			LOG.info("Conversation message received, updating item");
-			ConversationMessageTrackedEvent p =
+			ConversationMessageReceivedEvent<?> p =
-					(ConversationMessageTrackedEvent) e;
+					(ConversationMessageReceivedEvent<?>) e;
-			long timestamp = p.getTimestamp();
+			ConversationMessageHeader h = p.getMessageHeader();
-			boolean read = p.getRead();
+			updateItem(p.getContactId(), item -> new ContactListItem(item, h),
-			updateItem(p.getContactId(),
+					true);
-					item -> new ContactListItem(item, timestamp, read), true);
 		} else if (e instanceof AvatarUpdatedEvent) {
 			AvatarUpdatedEvent a = (AvatarUpdatedEvent) e;
 			updateItem(a.getContactId(), item -> new ContactListItem(item,

briar-android/src/main/java/org/briarproject/briar/android/contact/add/nearby/AddNearbyContactFragment.java

@@ -20,8 +20,6 @@ import org.briarproject.briar.android.contact.add.nearby.AddContactState.KeyAgre
 import org.briarproject.briar.android.contact.add.nearby.AddContactState.KeyAgreementWaiting;
 import org.briarproject.briar.android.contact.add.nearby.AddContactState.QrCodeScanned;
 import org.briarproject.briar.android.fragment.BaseFragment;
-import org.briarproject.briar.android.qrcode.CameraException;
-import org.briarproject.briar.android.qrcode.CameraView;
 import org.briarproject.briar.android.view.QrCodeView;
 
 import java.util.logging.Logger;

briar-android/src/main/java/org/briarproject/briar/android/contact/add/nearby/AddNearbyContactViewModel.java

@@ -53,8 +53,7 @@ import org.briarproject.briar.android.contact.add.nearby.AddContactState.Contact
 import org.briarproject.briar.android.contact.add.nearby.AddContactState.KeyAgreementListening;
 import org.briarproject.briar.android.contact.add.nearby.AddContactState.KeyAgreementStarted;
 import org.briarproject.briar.android.contact.add.nearby.AddContactState.KeyAgreementWaiting;
-import org.briarproject.briar.android.qrcode.QrCodeDecoder;
+import org.briarproject.briar.android.util.QrCodeUtils;
-import org.briarproject.briar.android.qrcode.QrCodeUtils;
 import org.briarproject.briar.android.viewmodel.LiveEvent;
 import org.briarproject.briar.android.viewmodel.MutableLiveEvent;
 

briar-android/src/main/java/org/briarproject/briar/android/contact/add/nearby/CameraException.java

@@ -1,8 +1,8 @@
-package org.briarproject.briar.android.qrcode;
+package org.briarproject.briar.android.contact.add.nearby;
 
 import java.io.IOException;
 
-public class CameraException extends IOException {
+class CameraException extends IOException {
 
 	CameraException(String message) {
 		super(message);

briar-android/src/main/java/org/briarproject/briar/android/contact/add/nearby/CameraView.java

@@ -1,4 +1,4 @@
-package org.briarproject.briar.android.qrcode;
+package org.briarproject.briar.android.contact.add.nearby;
 
 import android.content.Context;
 import android.hardware.Camera;

briar-android/src/main/java/org/briarproject/briar/android/contact/add/nearby/PreviewConsumer.java

@@ -1,4 +1,4 @@
-package org.briarproject.briar.android.qrcode;
+package org.briarproject.briar.android.contact.add.nearby;
 
 import android.hardware.Camera;
 
@@ -7,7 +7,7 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import androidx.annotation.UiThread;
 
 @NotNullByDefault
-public interface PreviewConsumer {
+interface PreviewConsumer {
 
 	@UiThread
 	void start(Camera camera, int cameraIndex);

briar-android/src/main/java/org/briarproject/briar/android/contact/add/nearby/QrCodeDecoder.java

@@ -1,4 +1,4 @@
-package org.briarproject.briar.android.qrcode;
+package org.briarproject.briar.android.contact.add.nearby;
 
 import android.hardware.Camera;
 import android.hardware.Camera.CameraInfo;
@@ -32,7 +32,7 @@ import static java.util.logging.Logger.getLogger;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
-public class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
+class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 
 	private static final Logger LOG = getLogger(QrCodeDecoder.class.getName());
 
@@ -44,7 +44,7 @@ public class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 	private Camera camera = null;
 	private int cameraIndex = 0;
 
-	public QrCodeDecoder(AndroidExecutor androidExecutor,
+	QrCodeDecoder(AndroidExecutor androidExecutor,
 			@IoExecutor Executor ioExecutor, ResultCallback callback) {
 		this.androidExecutor = androidExecutor;
 		this.ioExecutor = ioExecutor;
@@ -127,7 +127,7 @@ public class QrCodeDecoder implements PreviewConsumer, PreviewCallback {
 	}
 
 	@NotNullByDefault
-	public interface ResultCallback {
+	interface ResultCallback {
 		@IoExecutor
 		void onQrCodeDecoded(Result result);
 	}

briar-android/src/main/java/org/briarproject/briar/android/hotspot/HotspotManager.java

@@ -24,7 +24,7 @@ import org.briarproject.bramble.api.settings.SettingsManager;
 import org.briarproject.bramble.api.system.AndroidExecutor;
 import org.briarproject.briar.R;
 import org.briarproject.briar.android.hotspot.HotspotState.NetworkConfig;
-import org.briarproject.briar.android.qrcode.QrCodeUtils;
+import org.briarproject.briar.android.util.QrCodeUtils;
 
 import java.security.SecureRandom;
 import java.util.concurrent.Executor;
@@ -52,7 +52,7 @@ import static java.util.Objects.requireNonNull;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.WARNING;
 import static java.util.logging.Logger.getLogger;
-import static org.briarproject.briar.android.qrcode.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
+import static org.briarproject.briar.android.util.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
 import static org.briarproject.briar.android.util.UiUtils.handleException;
 
 @MethodsNotNullByDefault
@@ -312,19 +312,12 @@ class HotspotManager {
 		}
 		GroupInfoListener groupListener = group -> {
 			boolean valid = isGroupValid(group);
-			if (valid) {
+			// If the group is valid, set the hotspot to started. If we don't
-				// the group is valid, set the hotspot to started.
+			// have any attempts left, we try what we got
-				onHotspotStarted(group);
+			if (valid || attempt >= MAX_GROUP_INFO_ATTEMPTS) {
-			} else if (attempt < MAX_GROUP_INFO_ATTEMPTS) {
-				// we have attempts left, try again
-				retryRequestingGroupInfo(attempt);
-			} else if (group != null) {
-				// no attempts left, but group is not null, try what we got
 				onHotspotStarted(group);
 			} else {
-				// no attempts left and group is null, fail
+				retryRequestingGroupInfo(attempt);
-				releaseHotspotWithError(ctx.getString(
-						R.string.hotspot_error_start_callback_no_group_info));
 			}
 		};
 		try {
@@ -373,8 +366,13 @@ class HotspotManager {
 	private void retryRequestingGroupInfo(int attempt) {
 		LOG.info("retrying to request group info");
 		// On some devices we need to wait for the group info to become available
-		handler.postDelayed(() -> requestGroupInfo(attempt + 1),
+		if (attempt < MAX_GROUP_INFO_ATTEMPTS) {
-				RETRY_DELAY_MILLIS);
+			handler.postDelayed(() -> requestGroupInfo(attempt + 1),
+					RETRY_DELAY_MILLIS);
+		} else {
+			releaseHotspotWithError(ctx.getString(
+					R.string.hotspot_error_start_callback_no_group_info));
+		}
 	}
 
 	@UiThread

briar-android/src/main/java/org/briarproject/briar/android/hotspot/WebServerManager.java

@@ -8,7 +8,7 @@ import org.briarproject.bramble.api.lifecycle.IoExecutor;
 import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
 import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
 import org.briarproject.briar.android.hotspot.HotspotState.WebsiteConfig;
-import org.briarproject.briar.android.qrcode.QrCodeUtils;
+import org.briarproject.briar.android.util.QrCodeUtils;
 
 import java.io.IOException;
 import java.net.InetAddress;
@@ -27,7 +27,7 @@ import static java.util.logging.Logger.getLogger;
 import static org.briarproject.bramble.util.LogUtils.logException;
 import static org.briarproject.bramble.util.NetworkUtils.getNetworkInterfaces;
 import static org.briarproject.briar.android.hotspot.WebServer.PORT;
-import static org.briarproject.briar.android.qrcode.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
+import static org.briarproject.briar.android.util.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault

briar-android/src/main/java/org/briarproject/briar/android/mailbox/MailboxModule.java

@@ -1,19 +0,0 @@
-package org.briarproject.briar.android.mailbox;
-
-import org.briarproject.briar.android.viewmodel.ViewModelKey;
-
-import androidx.lifecycle.ViewModel;
-import dagger.Binds;
-import dagger.Module;
-import dagger.multibindings.IntoMap;
-
-@Module
-public interface MailboxModule {
-
-	@Binds
-	@IntoMap
-	@ViewModelKey(MailboxPairViewModel.class)
-	ViewModel bindMailboxViewModel(
-			MailboxPairViewModel mailboxPairViewModel);
-
-}

briar-android/src/main/java/org/briarproject/briar/android/mailbox/MailboxPairViewModel.java

@@ -1,95 +0,0 @@
-package org.briarproject.briar.android.mailbox;
-
-import android.app.Application;
-
-import com.google.zxing.Result;
-
-import org.briarproject.bramble.api.crypto.CryptoComponent;
-import org.briarproject.bramble.api.db.DatabaseExecutor;
-import org.briarproject.bramble.api.db.TransactionManager;
-import org.briarproject.bramble.api.lifecycle.IoExecutor;
-import org.briarproject.bramble.api.lifecycle.LifecycleManager;
-import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
-import org.briarproject.bramble.api.system.AndroidExecutor;
-import org.briarproject.bramble.util.StringUtils;
-import org.briarproject.briar.android.qrcode.QrCodeDecoder;
-import org.briarproject.briar.android.viewmodel.DbViewModel;
-
-import java.nio.charset.Charset;
-import java.util.Arrays;
-import java.util.concurrent.Executor;
-import java.util.logging.Logger;
-
-import javax.inject.Inject;
-
-import androidx.annotation.Nullable;
-import androidx.annotation.UiThread;
-
-import static java.util.logging.Level.INFO;
-import static java.util.logging.Logger.getLogger;
-
-@UiThread
-@NotNullByDefault
-class MailboxPairViewModel extends DbViewModel
-		implements QrCodeDecoder.ResultCallback {
-	private static final Logger LOG =
-			getLogger(MailboxPairViewModel.class.getName());
-
-	private static final int VERSION_REQUIRED = 32;
-
-	@SuppressWarnings("CharsetObjectCanBeUsed") // Requires minSdkVersion >= 19
-	private static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");
-
-	private final CryptoComponent crypto;
-	private final QrCodeDecoder qrCodeDecoder;
-
-	@Nullable
-	private String onionAddress = null;
-	@Nullable
-	private String setupToken = null;
-
-	@Inject
-	MailboxPairViewModel(
-			Application app,
-			@DatabaseExecutor Executor dbExecutor,
-			LifecycleManager lifecycleManager,
-			TransactionManager db,
-			AndroidExecutor androidExecutor,
-			@IoExecutor Executor ioExecutor,
-			CryptoComponent crypto) {
-		super(app, dbExecutor, lifecycleManager, db, androidExecutor);
-		this.crypto = crypto;
-		qrCodeDecoder = new QrCodeDecoder(androidExecutor, ioExecutor, this);
-	}
-
-	@Override
-	public void onQrCodeDecoded(Result result) {
-		LOG.info("Got result from decoder");
-		byte[] bytes = result.getText().getBytes(ISO_8859_1);
-
-		if (LOG.isLoggable(INFO))
-			LOG.info("QR code length in bytes: " + bytes.length);
-		if (bytes.length != 65) {
-			LOG.info("QR code has wrong length");
-			return;
-		}
-
-		if (LOG.isLoggable(INFO))
-			LOG.info("QR code version: " + bytes[0]);
-		if (bytes[0] != VERSION_REQUIRED) {
-			LOG.info("QR code has wrong version");
-			return;
-		}
-
-		byte[] onionPubKey = Arrays.copyOfRange(bytes, 1, 33);
-		onionAddress = crypto.encodeOnionAddress(onionPubKey);
-		setupToken = StringUtils.toHexString(Arrays.copyOfRange(bytes, 33, 65))
-				.toLowerCase();
-		LOG.info("QR code is valid");
-	}
-
-	QrCodeDecoder getQrCodeDecoder() {
-		return qrCodeDecoder;
-	}
-
-}

briar-android/src/main/java/org/briarproject/briar/android/navdrawer/NavDrawerActivity.java

@@ -75,15 +75,12 @@ import static org.briarproject.bramble.api.plugin.Plugin.State.ENABLING;
 import static org.briarproject.bramble.api.plugin.Plugin.State.STARTING_STOPPING;
 import static org.briarproject.briar.android.BriarService.EXTRA_STARTUP_FAILED;
 import static org.briarproject.briar.android.BriarService.EXTRA_START_RESULT;
-import static org.briarproject.briar.android.TestingConstants.EXPIRY_DATE;
 import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 import static org.briarproject.briar.android.activity.RequestCodes.REQUEST_PASSWORD;
 import static org.briarproject.briar.android.navdrawer.IntentRouter.handleExternalIntent;
-import static org.briarproject.briar.android.util.UiUtils.formatDateFull;
 import static org.briarproject.briar.android.util.UiUtils.getDaysUntilExpiry;
 import static org.briarproject.briar.android.util.UiUtils.observeOnce;
 import static org.briarproject.briar.android.util.UiUtils.resolveColorAttribute;
-import static org.briarproject.briar.android.util.UiUtils.shouldWarnOldAndroidExpiry;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -140,11 +137,9 @@ public class NavDrawerActivity extends BriarActivity implements
 		setContentView(R.layout.activity_nav_drawer);
 
 		BriarApplication app = (BriarApplication) getApplication();
-		if (!app.isInstrumentationTest()) {
+		if (IS_DEBUG_BUILD && !app.isInstrumentationTest()) {
-			if (IS_DEBUG_BUILD || shouldWarnOldAndroidExpiry()) {
+			navDrawerViewModel.showExpiryWarning()
-				navDrawerViewModel.showExpiryWarning()
+					.observe(this, this::showExpiryWarning);
-						.observe(this, this::showExpiryWarning);
-			}
 		}
 		navDrawerViewModel.shouldAskForDozeWhitelisting().observe(this, ask -> {
 			if (ask) showDozeDialog(getString(R.string.setup_doze_intro));
@@ -212,9 +207,7 @@ public class NavDrawerActivity extends BriarActivity implements
 	public void onStart() {
 		super.onStart();
 		lockManager.checkIfLockable();
-		if (IS_DEBUG_BUILD || shouldWarnOldAndroidExpiry()) {
+		if (IS_DEBUG_BUILD) navDrawerViewModel.checkExpiryWarning();
-			navDrawerViewModel.checkExpiryWarning();
-		}
 	}
 
 	@Override
@@ -384,23 +377,14 @@ public class NavDrawerActivity extends BriarActivity implements
 			return;
 		}
 
-		String text;
-		if (IS_DEBUG_BUILD) {
-			text = getResources().getQuantityString(
-					R.plurals.expiry_warning, (int) daysUntilExpiry,
-					(int) daysUntilExpiry);
-		} else {
-			text = getResources().getQuantityString(
-					R.plurals.old_android_expiry_warning, (int) daysUntilExpiry,
-					formatDateFull(this, EXPIRY_DATE),
-					(int) daysUntilExpiry);
-		}
-
 		ViewGroup expiryWarning = findViewById(R.id.expiryWarning);
 		if (show) {
 			// show expiry warning text
 			TextView expiryWarningText =
 					expiryWarning.findViewById(R.id.expiryWarningText);
+			String text = getResources().getQuantityString(
+					R.plurals.expiry_warning, (int) daysUntilExpiry,
+					(int) daysUntilExpiry);
 			expiryWarningText.setText(text);
 			// make close button functional
 			ImageView expiryWarningClose =

briar-android/src/main/java/org/briarproject/briar/android/reporting/BriarReportCollector.java

@@ -28,8 +28,6 @@ import org.briarproject.briar.R;
 import org.briarproject.briar.android.reporting.ReportData.MultiReportInfo;
 import org.briarproject.briar.android.reporting.ReportData.ReportItem;
 import org.briarproject.briar.android.reporting.ReportData.SingleReportInfo;
-import org.briarproject.briar.api.android.NetworkUsageMetrics;
-import org.briarproject.briar.api.android.NetworkUsageMetrics.Metrics;
 
 import java.io.File;
 import java.io.PrintWriter;
@@ -67,11 +65,9 @@ import static org.briarproject.bramble.util.StringUtils.isNullOrEmpty;
 class BriarReportCollector {
 
 	private final Context ctx;
-	private final NetworkUsageMetrics networkUsageMetrics;
 
-	BriarReportCollector(Context ctx, NetworkUsageMetrics networkUsageMetrics) {
+	BriarReportCollector(Context ctx) {
 		this.ctx = ctx;
-		this.networkUsageMetrics = networkUsageMetrics;
 	}
 
 	ReportData collectReportData(@Nullable Throwable t, long appStartTime,
@@ -85,7 +81,6 @@ class BriarReportCollector {
 				.add(getMemory())
 				.add(getStorage())
 				.add(getConnectivity())
-				.add(getNetworkUsage())
 				.add(getBuildConfig())
 				.add(getLogcat(logs))
 				.add(getDeviceFeatures());
@@ -303,16 +298,6 @@ class BriarReportCollector {
 				connectivityInfo);
 	}
 
-	private ReportItem getNetworkUsage() {
-		Metrics metrics = networkUsageMetrics.getMetrics();
-		MultiReportInfo networkUsage = new MultiReportInfo()
-				.add("SessionDuration", metrics.getSessionDurationMs())
-				.add("BytesReceived", metrics.getRxBytes())
-				.add("BytesSent", metrics.getTxBytes());
-		return new ReportItem("NetworkUsage", R.string.dev_report_network_usage,
-				networkUsage);
-	}
-
 	private ReportItem getBuildConfig() {
 		MultiReportInfo buildConfig = new MultiReportInfo()
 				.add("GitHash", BuildConfig.GitHash)

briar-android/src/main/java/org/briarproject/briar/android/reporting/ReportViewModel.java

@@ -18,7 +18,6 @@ import org.briarproject.briar.android.reporting.ReportData.MultiReportInfo;
 import org.briarproject.briar.android.reporting.ReportData.ReportItem;
 import org.briarproject.briar.android.viewmodel.LiveEvent;
 import org.briarproject.briar.android.viewmodel.MutableLiveEvent;
-import org.briarproject.briar.api.android.NetworkUsageMetrics;
 import org.json.JSONException;
 
 import java.io.File;
@@ -70,13 +69,12 @@ class ReportViewModel extends AndroidViewModel {
 
 	@Inject
 	ReportViewModel(@NonNull Application application,
-			NetworkUsageMetrics networkUsageMetrics,
 			CachingLogHandler logHandler,
 			LogDecrypter logDecrypter,
 			DevReporter reporter,
 			PluginManager pluginManager) {
 		super(application);
-		collector = new BriarReportCollector(application, networkUsageMetrics);
+		collector = new BriarReportCollector(application);
 		this.logHandler = logHandler;
 		this.logDecrypter = logDecrypter;
 		this.reporter = reporter;

briar-android/src/main/java/org/briarproject/briar/android/splash/ExpiredOldAndroidActivity.java

@@ -1,57 +0,0 @@
-package org.briarproject.briar.android.splash;
-
-import android.content.Intent;
-import android.os.Bundle;
-
-import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
-import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
-import org.briarproject.bramble.api.system.AndroidWakeLockManager;
-import org.briarproject.briar.R;
-import org.briarproject.briar.android.activity.ActivityComponent;
-import org.briarproject.briar.android.activity.BaseActivity;
-import org.briarproject.briar.android.controller.BriarController;
-import org.briarproject.briar.android.logout.ExitActivity;
-
-import javax.annotation.Nullable;
-import javax.inject.Inject;
-
-import static android.content.Intent.FLAG_ACTIVITY_CLEAR_TASK;
-import static android.content.Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS;
-import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
-import static android.content.Intent.FLAG_ACTIVITY_NO_ANIMATION;
-
-@MethodsNotNullByDefault
-@ParametersNotNullByDefault
-public class ExpiredOldAndroidActivity extends BaseActivity {
-
-	@Inject
-	BriarController briarController;
-	@Inject
-	AndroidWakeLockManager wakeLockManager;
-
-	@Override
-	public void onCreate(@Nullable Bundle state) {
-		super.onCreate(state);
-
-		setContentView(R.layout.activity_expired_old_android);
-		findViewById(R.id.delete_account_button).setOnClickListener(v -> {
-			// Hold a wake lock to ensure we exit before the device goes to sleep
-			wakeLockManager.runWakefully(() -> {
-				// we're not signed in, just go ahead and delete
-				briarController.deleteAccount();
-				// remove from recent apps
-				Intent i = new Intent(this, ExitActivity.class);
-				i.addFlags(FLAG_ACTIVITY_NEW_TASK
-						| FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS
-						| FLAG_ACTIVITY_NO_ANIMATION
-						| FLAG_ACTIVITY_CLEAR_TASK);
-				startActivity(i);
-			}, "DeleteAccount");
-		});
-	}
-
-	@Override
-	public void injectActivity(ActivityComponent component) {
-		component.inject(this);
-	}
-}

briar-android/src/main/java/org/briarproject/briar/android/splash/SplashScreenActivity.java

@@ -27,7 +27,6 @@ import static java.lang.System.currentTimeMillis;
 import static java.util.logging.Logger.getLogger;
 import static org.briarproject.briar.android.BriarApplication.ENTRY_ACTIVITY;
 import static org.briarproject.briar.android.TestingConstants.EXPIRY_DATE;
-import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault
@@ -66,13 +65,8 @@ public class SplashScreenActivity extends BaseActivity {
 					getResources().getInteger(R.integer.splashScreenDuration);
 			new Handler().postDelayed(() -> {
 				if (currentTimeMillis() >= EXPIRY_DATE) {
-					if (IS_DEBUG_BUILD) {
+					LOG.info("Expired");
-						LOG.info("Expired: debug build");
+					startNextActivity(ExpiredActivity.class);
-						startNextActivity(ExpiredActivity.class);
-					} else {
-						LOG.info("Expired: running on old Android");
-						startNextActivity(ExpiredOldAndroidActivity.class);
-					}
 				} else {
 					startNextActivity(ENTRY_ACTIVITY);
 				}

briar-android/src/main/java/org/briarproject/briar/android/util/ActivityLaunchers.java

@@ -10,14 +10,12 @@ import androidx.activity.result.contract.ActivityResultContract;
 import androidx.activity.result.contract.ActivityResultContracts.CreateDocument;
 import androidx.activity.result.contract.ActivityResultContracts.GetContent;
 import androidx.activity.result.contract.ActivityResultContracts.GetMultipleContents;
-import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 
 import static android.app.Activity.RESULT_CANCELED;
 import static android.bluetooth.BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE;
 import static android.bluetooth.BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION;
 import static android.content.Intent.EXTRA_MIME_TYPES;
-import static android.content.Intent.FLAG_GRANT_READ_URI_PERMISSION;
 import static android.os.Build.VERSION.SDK_INT;
 import static org.briarproject.bramble.util.AndroidUtils.getSupportedImageContentTypes;
 
@@ -25,7 +23,6 @@ import static org.briarproject.bramble.util.AndroidUtils.getSupportedImageConten
 public class ActivityLaunchers {
 
 	public static class CreateDocumentAdvanced extends CreateDocument {
-		@NonNull
 		@Override
 		public Intent createIntent(Context context, String input) {
 			Intent i = super.createIntent(context, input);
@@ -35,24 +32,20 @@ public class ActivityLaunchers {
 	}
 
 	public static class GetContentAdvanced extends GetContent {
-		@NonNull
 		@Override
 		public Intent createIntent(Context context, String input) {
 			Intent i = super.createIntent(context, input);
 			putShowAdvancedExtra(i);
-			i.addFlags(FLAG_GRANT_READ_URI_PERMISSION);
 			return i;
 		}
 	}
 
 	public static class GetImageAdvanced extends GetContent {
-		@NonNull
 		@Override
 		public Intent createIntent(Context context, String input) {
 			Intent i = super.createIntent(context, input);
 			putShowAdvancedExtra(i);
 			i.setType("image/*");
-			i.addFlags(FLAG_GRANT_READ_URI_PERMISSION);
 			if (SDK_INT >= 19)
 				i.putExtra(EXTRA_MIME_TYPES, getSupportedImageContentTypes());
 			return i;
@@ -61,13 +54,11 @@ public class ActivityLaunchers {
 
 	@TargetApi(18)
 	public static class GetMultipleImagesAdvanced extends GetMultipleContents {
-		@NonNull
 		@Override
 		public Intent createIntent(Context context, String input) {
 			Intent i = super.createIntent(context, input);
 			putShowAdvancedExtra(i);
 			i.setType("image/*");
-			i.addFlags(FLAG_GRANT_READ_URI_PERMISSION);
 			if (SDK_INT >= 19)
 				i.putExtra(EXTRA_MIME_TYPES, getSupportedImageContentTypes());
 			return i;
@@ -76,7 +67,6 @@ public class ActivityLaunchers {
 
 	public static class RequestBluetoothDiscoverable
 			extends ActivityResultContract<Integer, Boolean> {
-		@NonNull
 		@Override
 		public Intent createIntent(Context context, Integer duration) {
 			Intent i = new Intent(ACTION_REQUEST_DISCOVERABLE);

briar-android/src/main/java/org/briarproject/briar/android/util/QrCodeUtils.java

@@ -1,4 +1,4 @@
-package org.briarproject.briar.android.qrcode;
+package org.briarproject.briar.android.util;
 
 import android.graphics.Bitmap;
 import android.util.DisplayMetrics;
@@ -23,10 +23,11 @@ import static org.briarproject.bramble.util.LogUtils.logException;
 
 @NotNullByDefault
 public class QrCodeUtils {
-	public static final double HOTSPOT_QRCODE_FACTOR = 0.35;
 
 	private static final Logger LOG = getLogger(QrCodeUtils.class.getName());
 
+	public static final double HOTSPOT_QRCODE_FACTOR = 0.35;
+
 	@Nullable
 	public static Bitmap createQrCode(DisplayMetrics dm, String input) {
 		return createQrCode(Math.min(dm.widthPixels, dm.heightPixels), input);

briar-android/src/main/java/org/briarproject/briar/android/util/UiUtils.java

@@ -110,8 +110,6 @@ import static java.util.logging.Level.WARNING;
 import static org.briarproject.bramble.util.LogUtils.logException;
 import static org.briarproject.briar.BuildConfig.APPLICATION_ID;
 import static org.briarproject.briar.android.TestingConstants.EXPIRY_DATE;
-import static org.briarproject.briar.android.TestingConstants.IS_OLD_ANDROID;
-import static org.briarproject.briar.android.TestingConstants.OLD_ANDROID_WARN_DATE;
 import static org.briarproject.briar.android.reporting.CrashReportActivity.EXTRA_APP_LOGCAT;
 import static org.briarproject.briar.android.reporting.CrashReportActivity.EXTRA_APP_START_TIME;
 import static org.briarproject.briar.android.reporting.CrashReportActivity.EXTRA_INITIAL_COMMENT;
@@ -199,11 +197,6 @@ public class UiUtils {
 		return DateUtils.formatDateTime(ctx, time, flags);
 	}
 
-	public static String formatDateFull(Context ctx, long time) {
-		return DateUtils.formatDateTime(ctx, time,
-				FORMAT_SHOW_DATE | FORMAT_SHOW_YEAR | FORMAT_ABBREV_ALL);
-	}
-
 	/**
 	 * Returns the given duration in a human-friendly format. For example,
 	 * "7 days" or "1 hour 3 minutes".
@@ -239,11 +232,6 @@ public class UiUtils {
 		return (EXPIRY_DATE - now) / DAYS.toMillis(1);
 	}
 
-	public static boolean shouldWarnOldAndroidExpiry() {
-		return IS_OLD_ANDROID &&
-				System.currentTimeMillis() >= OLD_ANDROID_WARN_DATE;
-	}
-
 	public static SpannableStringBuilder getTeaser(Context ctx, Spanned text) {
 		if (text.length() < TEASER_LENGTH)
 			throw new IllegalArgumentException(

briar-android/src/main/java/org/briarproject/briar/android/view/AuthorView.java

@@ -93,7 +93,7 @@ public class AuthorView extends ConstraintLayout {
 		if (authorInfo.getStatus() == OURSELVES) {
 			authorName.setTypeface(authorNameTypeface, BOLD);
 		} else {
-			authorName.setTypeface(authorNameTypeface, Typeface.NORMAL);
+			authorName.setTypeface(authorNameTypeface, NORMAL);
 		}
 
 		invalidate();