Add feature flag for introductions

Transactional version of AttachmentReader#getAttachment()

See merge request briar/briar!1570

.gitlab-ci.yml

@@ -33,6 +33,7 @@ test:
   stage: test
   script:
     - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
+    - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom :briar-headless:linuxJars
     - ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom compileOfficialDebugAndroidTestSources compileScreenshotDebugAndroidTestSources check
   rules:
     - if: '$CI_PIPELINE_SOURCE == "merge_request_event"'

README.md

@@ -22,6 +22,15 @@ 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

@@ -15,8 +15,8 @@ android {
 	defaultConfig {
 		minSdkVersion 16
 		targetSdkVersion 30
-		versionCode 10401
-		versionName "1.4.1"
+		versionCode 10403
+		versionName "1.4.3"
 		consumerProguardFiles 'proguard-rules.txt'
 
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
@@ -42,8 +42,8 @@ configurations {
 
 dependencies {
 	implementation project(path: ':bramble-core', configuration: 'default')
-	tor 'org.briarproject:tor-android:0.3.5.15'
-	tor 'org.briarproject:obfs4proxy-android:0.0.12-dev-40245c4a@zip'
+	tor "org.briarproject:tor-android:$tor_version"
+	tor "org.briarproject:obfs4proxy-android:$obfs4proxy_version@zip"
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
@@ -53,7 +53,7 @@ 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"
+	testImplementation "org.jmock:jmock-imposters:$jmock_version"
 }
 
 def torBinariesDir = 'src/main/res/raw'

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

@@ -70,12 +70,14 @@ class AndroidTorPlugin extends TorPlugin {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory) {
+			File torDirectory,
+			int torSocksPort,
+			int torControlPort) {
 		super(ioExecutor, wakefulIoExecutor, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, backoff,
 				torRendezvousCrypto, callback, architecture, maxLatency,
-				maxIdleTime, torDirectory);
+				maxIdleTime, torDirectory, torSocksPort, torControlPort);
 		this.app = app;
 		wakeLock = wakeLockManager.createWakeLock("TorPlugin");
 		String nativeLibDir = app.getApplicationInfo().nativeLibraryDir;

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

@@ -3,6 +3,7 @@ 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;
@@ -11,7 +12,9 @@ import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.PluginCallback;
 import org.briarproject.bramble.api.plugin.TorConstants;
+import org.briarproject.bramble.api.plugin.TorControlPort;
 import org.briarproject.bramble.api.plugin.TorDirectory;
+import org.briarproject.bramble.api.plugin.TorSocksPort;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
@@ -56,6 +59,9 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 	private final AndroidWakeLockManager wakeLockManager;
 	private final Clock clock;
 	private final File torDirectory;
+	private int torSocksPort;
+	private int torControlPort;
+	private final CryptoComponent crypto;
 
 	@Inject
 	AndroidTorPluginFactory(@IoExecutor Executor ioExecutor,
@@ -71,7 +77,10 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 			BatteryManager batteryManager,
 			AndroidWakeLockManager wakeLockManager,
 			Clock clock,
-			@TorDirectory File torDirectory) {
+			@TorDirectory File torDirectory,
+			@TorSocksPort int torSocksPort,
+			@TorControlPort int torControlPort,
+			CryptoComponent crypto) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.app = app;
@@ -86,6 +95,9 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 		this.wakeLockManager = wakeLockManager;
 		this.clock = clock;
 		this.torDirectory = torDirectory;
+		this.torSocksPort = torSocksPort;
+		this.torControlPort = torControlPort;
+		this.crypto = crypto;
 	}
 
 	@Override
@@ -127,13 +139,15 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
 
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
-		TorRendezvousCrypto torRendezvousCrypto = new TorRendezvousCryptoImpl();
+		TorRendezvousCrypto torRendezvousCrypto =
+				new TorRendezvousCryptoImpl(crypto);
 		AndroidTorPlugin plugin = new AndroidTorPlugin(ioExecutor,
 				wakefulIoExecutor, app, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, wakeLockManager,
 				backoff, torRendezvousCrypto, callback, architecture,
-				MAX_LATENCY, MAX_IDLE_TIME, torDirectory);
+				MAX_LATENCY, MAX_IDLE_TIME, torDirectory, torSocksPort,
+				torControlPort);
 		eventBus.addListener(plugin);
 		return plugin;
 	}

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.lib.legacy.ClassImposteriser;
+import org.jmock.imposters.ByteBuddyClassImposteriser;
 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(ClassImposteriser.INSTANCE);
+		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
 		app = context.mock(Application.class);
 		applicationInfo = new ApplicationInfo();
 		applicationInfo.dataDir = testDir.getAbsolutePath();

bramble-android/witness.gradle

@@ -1,50 +1,50 @@
 dependencyVerification {
     verify = [
         'cglib:cglib:3.2.8:cglib-3.2.8.jar:3f64de999ecc5595dc84ca8ff0879d8a34c8623f9ef3c517a53ed59023fcb9db',
-        'com.android.tools.analytics-library:protos:27.1.3:protos-27.1.3.jar:0d9e6cff60b318baac250b6f5bb076a8161103338bf2749cdf1db8a5a13a1f12',
-        'com.android.tools.analytics-library:shared:27.1.3:shared-27.1.3.jar:10d2a51d8f89ff4ac849888e5a9c60b10e879c30d78545ec1da4d3df7bd56ae4',
-        'com.android.tools.analytics-library:tracker:27.1.3:tracker-27.1.3.jar:589b355a2ba796cbc0a2b2295737de6661f078262e5f87cd6f540b8d011e5ebb',
+        'com.android.tools.analytics-library:protos:30.0.3:protos-30.0.3.jar:f62b89dcd9de719c6a7b7e15fb1dd20e45b57222e675cf633607bd0ed6bca7e7',
+        'com.android.tools.analytics-library:shared:30.0.3:shared-30.0.3.jar:05aa9ba3cc890354108521fdf99802565aae5dd6ca44a6ac8bb8d594d1c1cd15',
+        'com.android.tools.analytics-library:tracker:30.0.3:tracker-30.0.3.jar:5d0ef35bf6733e96210b5085a2a202152921bf834d345959dce1ca3369b528df',
         '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:4.1.3:apksig-4.1.3.jar:a851980c678ff7a6785388b9a9e8cc094788ce3c4a985ad2b19c2028fd3c631a',
-        'com.android.tools.build:apkzlib:4.1.3:apkzlib-4.1.3.jar:475903065e7e83a8c1ba78d267c97a54dc5a04d768b535093850423d7b11f2c8',
-        'com.android.tools.build:builder-model:4.1.3:builder-model-4.1.3.jar:2624a1436c3ab39dd91d3ecf9409a594b0f89ea5cab255f2e9ff11f5ee03d274',
-        'com.android.tools.build:builder-test-api:4.1.3:builder-test-api-4.1.3.jar:3d2af66726b06b53b8d6d497efcee39ff9f77eb2f8d2cce38b31502383a40d2c',
-        'com.android.tools.build:builder:4.1.3:builder-4.1.3.jar:a40426cd6d68f6a722ef4950058c075e4547025e8c2fd78e732ad89f15176f84',
-        'com.android.tools.build:gradle-api:4.1.3:gradle-api-4.1.3.jar:11b1fb9de658bdcf9290b1c1517060d0c4d93f2b27975934989ca4ac890bc077',
-        'com.android.tools.build:manifest-merger:27.1.3:manifest-merger-27.1.3.jar:ce8d4009b1f1584777a7ffa1da3b0551dc316bc8e08112e442c352af70f46f2d',
-        'com.android.tools.ddms:ddmlib:27.1.3:ddmlib-27.1.3.jar:8f76e8236d2b9eebf26378746dad025c4c7c056a02e133dae4ddef47b283c710',
-        'com.android.tools.external.com-intellij:intellij-core:27.1.3:intellij-core-27.1.3.jar:652814fa099b4746fb6f10e19718e476952e8b5bac24e17d914f90650ad21808',
-        'com.android.tools.external.com-intellij:kotlin-compiler:27.1.3:kotlin-compiler-27.1.3.jar:8d7a78d5efd213c5e467e42bd205582aad73ffc77ee5dc18eb1361c9af72f125',
-        'com.android.tools.external.org-jetbrains:uast:27.1.3:uast-27.1.3.jar:aea53944a1ac6a05f12297b55290e8cbecfe54c4166260cfba4405823bfe1c78',
-        'com.android.tools.layoutlib:layoutlib-api:27.1.3:layoutlib-api-27.1.3.jar:23875ce0a8429f33a4e86cc358f658faa0ba9c576f5f05760e544b453d67d04b',
-        'com.android.tools.lint:lint-api:27.1.3:lint-api-27.1.3.jar:97666be32bcadacd944416ea334a9575ef8f4ad0c8f333151491ff4a7df43e1c',
-        'com.android.tools.lint:lint-checks:27.1.3:lint-checks-27.1.3.jar:b2d71ae84a31490fe9ff26c706163fe245b2aea98e3eb747214c1085df444708',
-        'com.android.tools.lint:lint-gradle-api:27.1.3:lint-gradle-api-27.1.3.jar:e54131c287a2954e6ed78a3351e5e10e35a1da2f09ac443bf44b705c71b63a4d',
-        'com.android.tools.lint:lint-gradle:27.1.3:lint-gradle-27.1.3.jar:6a79e48943649d63665db7b17dbaff7af93e94ab9b15072f1a4d90486294ee9f',
-        'com.android.tools.lint:lint-model:27.1.3:lint-model-27.1.3.jar:acb9e792db7000e38e3c3ca21a9b14f2de6549d7a3fc92a97ffba3d06345e5bf',
-        'com.android.tools.lint:lint:27.1.3:lint-27.1.3.jar:5a2e69d0901a3a476a5b2d5001de755868113145f5f6aa557750cfad5389a44b',
-        'com.android.tools:annotations:27.1.3:annotations-27.1.3.jar:904dd771883496d5dfc86619ab2555968ea4e8a29d7a5f4f7cae6fbf5429f8f5',
-        'com.android.tools:common:27.1.3:common-27.1.3.jar:17ab4728e3ea50f047dd5937f0faf35f2c5416962ed74891057087ddc328bf96',
-        'com.android.tools:dvlib:27.1.3:dvlib-27.1.3.jar:cead1c0c356cbe43e6855b0330fe09ef4bec2c72e22bdb4c6e7cf7e6b1dfbc37',
-        'com.android.tools:repository:27.1.3:repository-27.1.3.jar:99de1a178855b56b8cd91a56296f1e0a9399c445e6acc51f1d2927947cc472cb',
-        'com.android.tools:sdk-common:27.1.3:sdk-common-27.1.3.jar:b591e2aa0f1be600795f5c9e2bf81cba9b052bee452fc86c3362b5dd9e427a14',
-        'com.android.tools:sdklib:27.1.3:sdklib-27.1.3.jar:ad6c08a45fe2904d05656bdddf9f623fa5c1d16bbd7b8d6a270a0734136ae02e',
-        'com.android:signflinger:4.1.3:signflinger-4.1.3.jar:f3103b55ccdc8dd9ee2517eb26af93b904d41303726594372d0df59d51156e5c',
-        'com.android:zipflinger:4.1.3:zipflinger-4.1.3.jar:48569896c0497268308a8014c66eb0f2bace2b9e2fc9390f3012823fb86387d5',
+        'com.android.tools.build:apksig:7.0.3:apksig-7.0.3.jar:012337a2803c9a30dfc41dcbc6450686ee9e5f582549f7f126479f743a343ec9',
+        'com.android.tools.build:apkzlib:7.0.3:apkzlib-7.0.3.jar:b31e53174c92db83c5cc6e7dac6734ea4e907a72e452c2bf1818dfd082c59397',
+        'com.android.tools.build:builder-model:7.0.3:builder-model-7.0.3.jar:483f99d7494a5bed027e1e8d29111384cf535d4842f0be5a79805bd44bb68d4e',
+        'com.android.tools.build:builder-test-api:7.0.3:builder-test-api-7.0.3.jar:f6de4bc2cef545e8367bf82d7c733829c7be3b0b3b8b09fd8c58f2150e59ab46',
+        'com.android.tools.build:builder:7.0.3:builder-7.0.3.jar:c6952da0094b094c2ba0fe84c675622097c5d9b9f9beb53485b860320540cf1d',
+        'com.android.tools.build:manifest-merger:30.0.3:manifest-merger-30.0.3.jar:72b346ba6318b4b6260e6e49df4bea5da2e12329ab6c2beb2269c49a9f51f178',
+        'com.android.tools.ddms:ddmlib:30.0.3:ddmlib-30.0.3.jar:7a914a68ab93393657297234e2f37b22410ae9a433cba692ce8c727c9607e3bb',
+        'com.android.tools.external.com-intellij:intellij-core:30.0.3:intellij-core-30.0.3.jar:1ebe858d3f58eeaa8c06507f8ac0f1c7051e6c61f35a70f3c3967d5734d3abc5',
+        'com.android.tools.external.com-intellij:kotlin-compiler:30.0.3:kotlin-compiler-30.0.3.jar:ed00e441f427cb4e0d418287b9da30b12b7f735f9af32e6b5d3dc960b6a742fc',
+        'com.android.tools.external.org-jetbrains:uast:30.0.3:uast-30.0.3.jar:a77801bee6ff509910e459525c9c34d7f04b066ade123547f16f1917548eadea',
+        'com.android.tools.layoutlib:layoutlib-api:30.0.3:layoutlib-api-30.0.3.jar:4caa87e9ca2e11315f650d576cd59fec1793373bc3fca3f6d53c029e7534e7c4',
+        'com.android.tools.lint:lint-api:30.0.3:lint-api-30.0.3.jar:bcecbd2f752a6560096a9029a47d1de6bd788a51bab505c5ebfba6a18524b983',
+        'com.android.tools.lint:lint-checks:30.0.3:lint-checks-30.0.3.jar:25a7cd42dc3ad502337f131fb8b7e873c53301db0a67b1c64dd4ae7a8eb66cec',
+        'com.android.tools.lint:lint-gradle:30.0.3:lint-gradle-30.0.3.jar:94544d6147a809bf2fd3440e51f28a4e42e547d74aab53eefd74938cdad42c26',
+        'com.android.tools.lint:lint-model:30.0.3:lint-model-30.0.3.jar:0b940a7f575c2ff5cbd038260f41dde686a93c672213881ead3ce8af3513b396',
+        'com.android.tools.lint:lint:30.0.3:lint-30.0.3.jar:ee4f11001e0c7e3b776e0d67399ad354b19b0f168822ec2b7db47c0910ed227d',
+        'com.android.tools:annotations:30.0.3:annotations-30.0.3.jar:5c1944982fda8555855c4f5422fabf0dc8e2306e1f5460e9ad82dae71316bc31',
+        'com.android.tools:common:30.0.3:common-30.0.3.jar:8751efaaf2c2ddd1f0a37526c794347def6a3057ca9fc510307c13a6cf0d036f',
+        'com.android.tools:dvlib:30.0.3:dvlib-30.0.3.jar:5affafcec390041e5afd64cb924153f5e474db47ee8ccc2f555b495083141233',
+        'com.android.tools:repository:30.0.3:repository-30.0.3.jar:0a40c6f16c506903ce2c609affd8228aceda73a69d93dfa42d4f02b8491449f6',
+        'com.android.tools:sdk-common:30.0.3:sdk-common-30.0.3.jar:b45570a380360236ffee0f6bb593d66b673bad3834dfe0d6c9871fa7188ee0eb',
+        'com.android.tools:sdklib:30.0.3:sdklib-30.0.3.jar:7088f20a414fab170a21e457825e14ebe099f753558e02c8acc12c67eb412162',
+        'com.android:signflinger:7.0.3:signflinger-7.0.3.jar:903a4536db3e96b4e1e1dc1e400eb0b91bf7866d9b39cd7ec94d75dde158f152',
+        'com.android:zipflinger:7.0.3:zipflinger-7.0.3.jar:fd209c960a3eff7a339e6fcba07d5e9ef4604d1633c69ab2df987460d9804140',
+        'com.beust:jcommander:1.78:jcommander-1.78.jar:7891debb84b5f83e9bd57593ebece3399abbe0fd938cf306b3534c57913b9615',
+        'com.github.javaparser:javaparser-core:3.17.0:javaparser-core-3.17.0.jar:23f5c982e1c7771423d37d52c774e8d2e80fd7ea7305ebe448797a96f67e6fca',
         '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:2.8.5:gson-2.8.5.jar:233a0149fc365c9f6edbd683cfe266b19bdc773be98eabdaf6b3c924b48e7d81',
+        'com.google.code.gson:gson:2.8.6:gson-2.8.6.jar:c8fb4839054d280b3033f800d1f5a97de2f028eb8ba2eb458ad287e536f3f25f',
         'com.google.dagger:dagger-compiler:2.33:dagger-compiler-2.33.jar:aa8a0d8370c578fd6999802d0d90b9829377a46d2c1141e11b8f737970e7155e',
         'com.google.dagger:dagger-producers:2.33:dagger-producers-2.33.jar:5897f0b6eef799c2adfe3ccacc58c0fb374d58acb063c3ebe5366c38a8bce5c8',
         '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:error_prone_annotations:2.3.4:error_prone_annotations-2.3.4.jar:baf7d6ea97ce606c53e11b6854ba5f2ce7ef5c24dddf0afa18d1260bd25b002c',
         '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:guava:30.1-jre:guava-30.1-jre.jar:e6dd072f9d3fe02a4600688380bd422bdac184caf6fe2418cfdd0934f09432aa',
         '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',
@@ -54,63 +54,108 @@ dependencyVerification {
         'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
         'com.squareup:javawriter:2.5.0:javawriter-2.5.0.jar:fcfb09fb0ea0aa97d3cfe7ea792398081348e468f126b3603cb3803f240197f0',
         'com.sun.activation:javax.activation:1.2.0:javax.activation-1.2.0.jar:993302b16cd7056f21e779cc577d175a810bb4900ef73cd8fbf2b50f928ba9ce',
-        'com.sun.istack:istack-commons-runtime:3.0.7:istack-commons-runtime-3.0.7.jar:6443e10ba2e259fb821d9b6becf10db5316285fc30c53cec9d7b19a3877e7fdf',
-        'com.sun.xml.fastinfoset:FastInfoset:1.2.15:FastInfoset-1.2.15.jar:785861db11ca1bd0d1956682b974ad73eb19cd3e01a4b3fa82d62eca97210aec',
+        'com.sun.istack:istack-commons-runtime:3.0.8:istack-commons-runtime-3.0.8.jar:4ffabb06be454a05e4398e20c77fa2b6308d4b88dfbef7ca30a76b5b7d5505ef',
+        'com.sun.xml.fastinfoset:FastInfoset:1.2.16:FastInfoset-1.2.16.jar:056f3a1e144409f21ed16afc26805f58e9a21f3fce1543c42d400719d250c511',
+        'com.thoughtworks.qdox:qdox:1.12.1:qdox-1.12.1.jar:21fba22f830e9268f07cf4ab2d99e8181abbdcb0cb91ee0228eb3cb918dcdd1d',
         'commons-codec:commons-codec:1.10:commons-codec-1.10.jar:4241dfa94e711d435f29a4604a3e2de5c4aa3c165e23bd066be6fc1fc4309569',
+        'commons-io:commons-io:2.4:commons-io-2.4.jar:cc6a41dc3eaacc9e440a6bd0d2890b20d36b4ee408fe2d67122f328bb6e01581',
         'commons-logging:commons-logging:1.2:commons-logging-1.2.jar:daddea1ea0be0f56978ab3006b8ac92834afeefbd9b7e4e6316fca57df0fa636',
-        'it.unimi.dsi:fastutil:7.2.0:fastutil-7.2.0.jar:74fa208043740642f7e6eb09faba15965218ad2f50ce3020efb100136e4b591c',
-        'javax.activation:javax.activation-api:1.2.0:javax.activation-api-1.2.0.jar:43fdef0b5b6ceb31b0424b208b930c74ab58fac2ceeb7b3f6fd3aeb8b5ca4393',
+        'info.picocli:picocli:4.5.2:picocli-4.5.2.jar:b4395e9a67932616efd2245d984bf5fcd453c2c5049558c3ce959ac2af4d3fac',
+        'it.unimi.dsi:fastutil:8.4.0:fastutil-8.4.0.jar:2ad2824a4a0a0eb836b52ee2fc84ba2134f44bce7bfa54015ae3f31c710a3071',
+        'jakarta.activation:jakarta.activation-api:1.2.1:jakarta.activation-api-1.2.1.jar:8b0a0f52fa8b05c5431921a063ed866efaa41dadf2e3a7ee3e1961f2b0d9645b',
+        'jakarta.xml.bind:jakarta.xml.bind-api:2.3.2:jakarta.xml.bind-api-2.3.2.jar:69156304079bdeed9fc0ae3b39389f19b3cc4ba4443bc80508995394ead742ea',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
-        'javax.xml.bind:jaxb-api:2.3.1:jaxb-api-2.3.1.jar:88b955a0df57880a26a74708bc34f74dcaf8ebf4e78843a28b50eae945732b06',
+        'jline:jline:2.14.6:jline-2.14.6.jar:97d1acaac82409be42e622d7a54d3ae9d08517e8aefdea3d2ba9791150c2f02d',
+        'junit:junit:4.13.1:junit-4.13.1.jar:c30719db974d6452793fe191b3638a5777005485bae145924044530ffa5f6122',
         '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.java.dev.jna:jna-platform:5.6.0:jna-platform-5.6.0.jar:9ecea8bf2b1b39963939d18b70464eef60c508fed8820f9dcaba0c35518eabf7',
+        'net.java.dev.jna:jna:5.6.0:jna-5.6.0.jar:5557e235a8aa2f9766d5dc609d67948f2a8832c2d796cea9ef1d6cbe0b3b7eaf',
         '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.jopt-simple:jopt-simple:4.9:jopt-simple-4.9.jar:26c5856e954b5f864db76f13b86919b59c6eecf9fd930b96baa8884626baf2f5',
         'net.sf.kxml:kxml2:2.3.0:kxml2-2.3.0.jar:f264dd9f79a1fde10ce5ecc53221eff24be4c9331c830b7d52f2f08a7b633de2',
         'org.apache-extras.beanshell:bsh:2.0b6:bsh-2.0b6.jar:a17955976070c0573235ee662f2794a78082758b61accffce8d3f8aedcd91047',
-        'org.apache.commons:commons-compress:1.12:commons-compress-1.12.jar:2c1542faf343185b7cab9c3d55c8ae5471d6d095d3887a4adefdbdf2984dc0b6',
+        'org.apache.ant:ant-antlr:1.10.9:ant-antlr-1.10.9.jar:7623dc9d0f20ea713290c6bf1a23f4c059447aef7ff9f5b2be75960f3f028d2e',
+        'org.apache.ant:ant-junit:1.10.9:ant-junit-1.10.9.jar:960bdc8827954d62206ba42d0a68a7ee4476175ba47bb113e17e77cce7394630',
+        'org.apache.ant:ant-launcher:1.10.9:ant-launcher-1.10.9.jar:fcce891f57f3be72149ff96ac2a80574165b3e0839866b95d24528f3027d50c1',
+        'org.apache.ant:ant:1.10.9:ant-1.10.9.jar:0715478af585ea80a18985613ebecdc7922122d45b2c3c970ff9b352cddb75fc',
+        'org.apache.commons:commons-compress:1.20:commons-compress-1.20.jar:0aeb625c948c697ea7b205156e112363b59ed5e2551212cd4e460bdb72c7c06e',
         'org.apache.httpcomponents:httpclient:4.5.6:httpclient-4.5.6.jar:c03f813195e7a80e3608d0ddd8da80b21696a4c92a6a2298865bf149071551c7',
         'org.apache.httpcomponents:httpcore:4.4.10:httpcore-4.4.10.jar:78ba1096561957db1b55200a159b648876430342d15d461277e62360da19f6fd',
         'org.apache.httpcomponents:httpmime:4.5.6:httpmime-4.5.6.jar:0b2b1102c18d3c7e05a77214b9b7501a6f6056174ae5604e0e256776eda7553e',
         'org.bouncycastle:bcpkix-jdk15on:1.56:bcpkix-jdk15on-1.56.jar:7043dee4e9e7175e93e0b36f45b1ec1ecb893c5f755667e8b916eb8dd201c6ca',
         'org.bouncycastle:bcprov-jdk15on:1.56:bcprov-jdk15on-1.56.jar:963e1ee14f808ffb99897d848ddcdb28fa91ddda867eb18d303e82728f878349',
         'org.briarproject:obfs4proxy-android:0.0.12-dev-40245c4a:obfs4proxy-android-0.0.12-dev-40245c4a.zip:8ab05a8f8391be2cb5ab2b665c281a06d9e3a756bd0f95a40a36ca927866ea82',
-        'org.briarproject:tor-android:0.3.5.15:tor-android-0.3.5.15.jar:560c5070166300b396cb2f28d82d9f639ee1fb5479096a3cef67da56d39937ad',
+        'org.briarproject:tor-android:0.3.5.17:tor-android-0.3.5.17.jar:1888afc10a26b93d00a010ea27bf0b1b162a6d524688b08b98d70d14dc363b54',
         '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.groovy:groovy-all:2.4.15:groovy-all-2.4.15.jar:51d6c4e71782e85674239189499854359d380fb75e1a703756e3aaa5b98a5af0',
+        'org.checkerframework:checker-qual:3.5.0:checker-qual-3.5.0.jar:729990b3f18a95606fc2573836b6958bcdb44cb52bfbd1b7aa9c339cff35a5a4',
+        'org.codehaus.groovy:groovy-ant:3.0.7:groovy-ant-3.0.7.jar:6ed2ba82813d128f7050c24142e87b3dc2ad8b504786280eb03e81f0cf6a5793',
+        'org.codehaus.groovy:groovy-astbuilder:3.0.7:groovy-astbuilder-3.0.7.jar:b290451eb1583666e906c41f7d14747b4cc96363c99c478b244634fd5dfc9013',
+        'org.codehaus.groovy:groovy-cli-picocli:3.0.7:groovy-cli-picocli-3.0.7.jar:71b4bd11fb30a9c7b5618e22122c9c5141958fb27f4dcf0068b6f715088f6916',
+        'org.codehaus.groovy:groovy-console:3.0.7:groovy-console-3.0.7.jar:0541b358b6b8e5363215026736168fccfec1d91bac678d066fa77349eeeaa5dd',
+        'org.codehaus.groovy:groovy-datetime:3.0.7:groovy-datetime-3.0.7.jar:b9823d14b1a4f94236ae2f8a471701aab17e093e1b33402b91550b5c8dd88f04',
+        'org.codehaus.groovy:groovy-docgenerator:3.0.7:groovy-docgenerator-3.0.7.jar:bf53f7a11c9eb1e278e1b8ed2714c741bcf781235c803ad3ba1555f2614573f3',
+        'org.codehaus.groovy:groovy-groovydoc:3.0.7:groovy-groovydoc-3.0.7.jar:86b24dfc23c005066ab83927cdb54177f06c9531773f2e2d2ecc9a131f7c2677',
+        'org.codehaus.groovy:groovy-groovysh:3.0.7:groovy-groovysh-3.0.7.jar:5c40e78cbc09726aedd1c75fab112d245d665d6294870f9119e6cd3013ed14ab',
+        'org.codehaus.groovy:groovy-jmx:3.0.7:groovy-jmx-3.0.7.jar:0a89f3007884eb156751937d93382038b83d39c7c2f0ab156ebf251a7251f2ab',
+        'org.codehaus.groovy:groovy-json:3.0.7:groovy-json-3.0.7.jar:df1f0ee475e3fc93a6a0d17548294e160cca5de6d9d36817a7be1fbe650de03b',
+        'org.codehaus.groovy:groovy-jsr223:3.0.7:groovy-jsr223-3.0.7.jar:1dbd969595332416193baa660fbb45743d19696eaa25fe98e591a2739e13517e',
+        'org.codehaus.groovy:groovy-macro:3.0.7:groovy-macro-3.0.7.jar:c6cc06df526b39e2c359e2435f0071594c5a1c7babafaa6c184fdd8fa931531f',
+        'org.codehaus.groovy:groovy-nio:3.0.7:groovy-nio-3.0.7.jar:db54c577882b294cd8c975ec5451596441baf54781319c61627dca0e0c2361ef',
+        'org.codehaus.groovy:groovy-servlet:3.0.7:groovy-servlet-3.0.7.jar:5b6a909bf501c209adfb6205b9e740649609074455fd979bf9da4853e6ff9a39',
+        'org.codehaus.groovy:groovy-sql:3.0.7:groovy-sql-3.0.7.jar:252bb6c74e1a9f41756ad4fbd3b0d2eddc93bb61109961dd1952a37bf2d57a64',
+        'org.codehaus.groovy:groovy-swing:3.0.7:groovy-swing-3.0.7.jar:bd942032d9328d54c6679c49a41f6caa0d4a0039ebe598493b8a647730d98cff',
+        'org.codehaus.groovy:groovy-templates:3.0.7:groovy-templates-3.0.7.jar:f119e07f650ef186ae5a4b944f9e30915b14311bad47c94a6b32de8d4f69bc80',
+        'org.codehaus.groovy:groovy-test-junit5:3.0.7:groovy-test-junit5-3.0.7.jar:c16eeea07b8e396891e266d7ba9388b24ac804237ffdd9a792b0d08969bad014',
+        'org.codehaus.groovy:groovy-test:3.0.7:groovy-test-3.0.7.jar:f71afd7c25d43017f89ea47e6de6daec971d159047dae083c1513a8422d44b90',
+        'org.codehaus.groovy:groovy-testng:3.0.7:groovy-testng-3.0.7.jar:713d5f2231bbb5712aefd362151b9ffd884aeb7ef2e773315cc54259cbdd063d',
+        'org.codehaus.groovy:groovy-xml:3.0.7:groovy-xml-3.0.7.jar:8a62e7c9ddece3e82676c4bef2f2c100f459602cd1fb6a14e94187bf863e97ff',
+        'org.codehaus.groovy:groovy:3.0.7:groovy-3.0.7.jar:51d1777e8dd1f00e60ea56e00d8a354ff5aab1f00fc8464ae8d39d71867e401f',
         '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.glassfish.jaxb:jaxb-runtime:2.3.1:jaxb-runtime-2.3.1.jar:45fecfa5c8217ce1f3652ab95179790ec8cc0dec0384bca51cbeb94a293d9f2f',
-        'org.glassfish.jaxb:txw2:2.3.1:txw2-2.3.1.jar:34975dde1c6920f1a39791142235689bc3cd357e24d05edd8ff93b885bd68d60',
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         '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',
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+        'org.jetbrains.intellij.deps:trove4j:1.0.20181211:trove4j-1.0.20181211.jar:affb7c85a3c87bdcf69ff1dbb84de11f63dc931293934bc08cd7ab18de083601',
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         'org.jetbrains.kotlin:kotlin-stdlib-common:1.4.20:kotlin-stdlib-common-1.4.20.jar:a7112c9b3cefee418286c9c9372f7af992bd1e6e030691d52f60cb36dbec8320',
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-        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.72:kotlin-stdlib-jdk8-1.3.72.jar:133da70cfc07b56094282eac5c59bccd59f167ee2ead22e5282876d8bc10bf95',
-        'org.jetbrains.kotlin:kotlin-stdlib:1.3.72:kotlin-stdlib-1.3.72.jar:3856a7349ebacd6d1be6802b2fed9c4dc2c5a564ea92b6b945ac988243d4b16b',
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+        'org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.32:kotlin-stdlib-jdk8-1.4.32.jar:adc43e54757b106e0cd7b3b7aa257dff471b61efdabe067fc02b2f57e2396262',
         '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.jvnet.staxex:stax-ex:1.8:stax-ex-1.8.jar:95b05d9590af4154c6513b9c5dc1fb2e55b539972ba0a9ef28e9a0c01d83ad77',
+        'org.junit.jupiter:junit-jupiter-api:5.7.0:junit-jupiter-api-5.7.0.jar:b03f78e0daeed2d77a0af9bcd662b4cdb9693f7ee72e01a539b508b84c63d182',
+        '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

@@ -13,7 +13,6 @@ 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

@@ -10,4 +10,12 @@ public interface FeatureFlags {
 	boolean shouldEnableProfilePictures();
 
 	boolean shouldEnableDisappearingMessages();
+
+	boolean shouldEnableIntroductionsInCore();
+
+	boolean shouldEnablePrivateGroupsInCore();
+
+	boolean shouldEnableForumsInCore();
+
+	boolean shouldEnableBlogsInCore();
 }

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

@@ -0,0 +1,35 @@
+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/client/ClientHelper.java

@@ -128,7 +128,7 @@ public interface ClientHelper {
 	 * group.
 	 */
 	ContactId getContactId(Transaction txn, GroupId contactGroupId)
-			throws DbException, FormatException;
+			throws DbException;
 
 	/**
 	 * 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

@@ -107,6 +107,32 @@ 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.
@@ -140,6 +166,13 @@ 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

@@ -170,4 +170,11 @@ 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

@@ -471,6 +471,14 @@ 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

@@ -0,0 +1,32 @@
+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

@@ -0,0 +1,33 @@
+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

@@ -0,0 +1,59 @@
+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

@@ -1,17 +1,14 @@
 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 SOCKS_PORT = 59050;
-	int CONTROL_PORT = 59051;
+	int DEFAULT_SOCKS_PORT = 59050;
+	int DEFAULT_CONTROL_PORT = 59051;
 
 	int CONNECT_TO_PROXY_TIMEOUT = 5000; // Milliseconds
 	int EXTRA_SOCKET_TIMEOUT = 30000; // Milliseconds
@@ -21,14 +18,7 @@ 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/plugin/TorControlPort.java

@@ -0,0 +1,20 @@
+package org.briarproject.bramble.api.plugin;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import javax.inject.Qualifier;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+/**
+ * Annotation for injecting the control port for the Tor plugin.
+ */
+@Qualifier
+@Target({FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+public @interface TorControlPort {
+}

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

@@ -0,0 +1,20 @@
+package org.briarproject.bramble.api.plugin;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+import javax.inject.Qualifier;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.ElementType.PARAMETER;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+/**
+ * Annotation for injecting the socks port for the Tor plugin.
+ */
+@Qualifier
+@Target({FIELD, METHOD, PARAMETER})
+@Retention(RUNTIME)
+public @interface TorSocksPort {
+}

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

@@ -22,4 +22,11 @@ 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/transport/KeyManager.java

@@ -113,9 +113,25 @@ 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.
+	 * unexpected. Marks the tag as recognised and updates the reordering
+	 * 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

@@ -1,12 +1,17 @@
 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-core/build.gradle

@@ -10,13 +10,17 @@ apply from: '../dagger.gradle'
 
 dependencies {
 	implementation project(path: ':bramble-api', configuration: 'default')
-	implementation 'org.bouncycastle:bcprov-jdk15on:1.69'
+	implementation 'org.bouncycastle:bcprov-jdk15to18:1.70'
+	//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:$okhttp_version"
+
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
 	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
@@ -25,7 +29,7 @@ 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"
+	testImplementation "org.jmock:jmock-imposters:$jmock_version"
 
 	testAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 

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

@@ -14,6 +14,7 @@ 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;
@@ -43,6 +44,7 @@ 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

@@ -121,28 +121,39 @@ class ContactManagerImpl implements ContactManager, EventListener {
 
 	@Override
 	public String getHandshakeLink() throws DbException {
-		KeyPair keyPair = db.transactionWithResult(true,
-				identityManager::getHandshakeKeys);
+		return db.transactionWithResult(true, this::getHandshakeLink);
+	}
+
+	@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 {
-			AuthorId local = identityManager.getLocalAuthor(txn).getId();
-			db.addPendingContact(txn, p, local);
-			KeyPair ourKeyPair = identityManager.getHandshakeKeys(txn);
-			keyManager.addPendingContact(txn, p.getId(), p.getPublicKey(),
-					ourKeyPair);
+			PendingContact p = addPendingContact(txn, link, alias);
 			db.commitTransaction(txn);
+			return p;
 		} finally {
 			db.endTransaction(txn);
 		}
-		return p;
 	}
 
 	@Override
@@ -154,8 +165,13 @@ class ContactManagerImpl implements ContactManager, EventListener {
 	@Override
 	public Collection<Pair<PendingContact, PendingContactState>> getPendingContacts()
 			throws DbException {
-		Collection<PendingContact> pendingContacts =
-				db.transactionWithResult(true, db::getPendingContacts);
+		return db.transactionWithResult(true, this::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

@@ -7,6 +7,7 @@ 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;
@@ -21,11 +22,13 @@ 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;
@@ -58,6 +61,8 @@ 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;
@@ -442,4 +447,21 @@ 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

@@ -757,6 +757,13 @@ 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.
@@ -845,8 +852,8 @@ interface Database<T> {
 	 * of the given message with respect to the given contact, using the latency
 	 * of the transport over which it was sent.
 	 */
-	void updateExpiryTimeAndEta(T txn, ContactId c, MessageId m, long maxLatency)
-			throws DbException;
+	void updateExpiryTimeAndEta(T txn, ContactId c, MessageId m,
+			long maxLatency) throws DbException;
 
 	/**
 	 * Stores the given transport keys, deleting any keys they have replaced.

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

@@ -750,6 +750,15 @@ 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

@@ -429,8 +429,11 @@ abstract class JdbcDatabase implements Database<Connection> {
 			compactAndClose();
 			logDuration(LOG, "Compacting database", start);
 			// Allow the next transaction to reopen the DB
-			synchronized (connectionsLock) {
+			connectionsLock.lock();
+			try {
 				closed = false;
+			} finally {
+				connectionsLock.unlock();
 			}
 			txn = startTransaction();
 			try {
@@ -3290,6 +3293,29 @@ 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

@@ -1,18 +1,49 @@
 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/MailboxModule.java

@@ -0,0 +1,16 @@
+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

@@ -0,0 +1,109 @@
+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

@@ -1,40 +1,71 @@
 package org.briarproject.bramble.plugin.tor;
 
 import org.briarproject.bramble.api.lifecycle.IoExecutor;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 
 import java.util.List;
 
-// TODO: Create a module for this so it doesn't have to be public
-
+@NotNullByDefault
 public interface CircumventionProvider {
 
+	enum BridgeType {
+		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"};
+	String[] BLOCKED = {"CN", "IR", "EG", "BY", "TR", "SY", "VE", "RU"};
 
 	/**
 	 * Countries where obfs4 or meek bridge connections are likely to work.
-	 * Should be a subset of {@link #BLOCKED}.
+	 * Should be a subset of {@link #BLOCKED} and the union of
+	 * {@link #DEFAULT_OBFS4_BRIDGES}, {@link #NON_DEFAULT_OBFS4_BRIDGES} and
+	 * {@link #MEEK_BRIDGES}.
 	 */
-	String[] BRIDGES = { "CN", "IR", "EG", "BY", "TR", "SY", "VE" };
+	String[] BRIDGES = {"CN", "IR", "EG", "BY", "TR", "SY", "VE", "RU"};
+
+	/**
+	 * 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[] NEEDS_MEEK = {"CN", "IR"};
+	String[] MEEK_BRIDGES = {"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(boolean meek);
+	List<String> getBridges(BridgeType type);
 
 }

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

@@ -1,6 +1,7 @@
 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;
@@ -9,24 +10,31 @@ import java.util.List;
 import java.util.Scanner;
 import java.util.Set;
 
-import javax.annotation.Nullable;
+import javax.annotation.concurrent.Immutable;
 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> BRIDGES_WORK_IN_COUNTRIES =
+	private static final Set<String> BRIDGE_COUNTRIES =
 			new HashSet<>(asList(BRIDGES));
-	private static final Set<String> BRIDGES_NEED_MEEK =
-			new HashSet<>(asList(NEEDS_MEEK));
-
-	@Nullable
-	private volatile List<String> bridges = null;
+	private static final Set<String> DEFAULT_OBFS4_BRIDGE_COUNTRIES =
+			new HashSet<>(asList(DEFAULT_OBFS4_BRIDGES));
+	private static final Set<String> NON_DEFAULT_OBFS4_BRIDGE_COUNTRIES =
+			new HashSet<>(asList(NON_DEFAULT_OBFS4_BRIDGES));
+	private static final Set<String> MEEK_COUNTRIES =
+			new HashSet<>(asList(MEEK_BRIDGES));
 
 	@Inject
 	CircumventionProviderImpl() {
@@ -39,33 +47,42 @@ class CircumventionProviderImpl implements CircumventionProvider {
 
 	@Override
 	public boolean doBridgesWork(String countryCode) {
-		return BRIDGES_WORK_IN_COUNTRIES.contains(countryCode);
+		return BRIDGE_COUNTRIES.contains(countryCode);
 	}
 
 	@Override
-	public boolean needsMeek(String countryCode) {
-		return BRIDGES_NEED_MEEK.contains(countryCode);
+	public BridgeType getBestBridgeType(String countryCode) {
+		if (DEFAULT_OBFS4_BRIDGE_COUNTRIES.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(boolean useMeek) {
-		List<String> bridges = this.bridges;
-		if (bridges != null) return new ArrayList<>(bridges);
-
-		InputStream is = getClass().getClassLoader()
-				.getResourceAsStream(BRIDGE_FILE_NAME);
+	public List<String> getBridges(BridgeType type) {
+		InputStream is = requireNonNull(getClass().getClassLoader()
+				.getResourceAsStream(BRIDGE_FILE_NAME));
 		Scanner scanner = new Scanner(is);
 
-		bridges = new ArrayList<>();
+		List<String> bridges = new ArrayList<>();
 		while (scanner.hasNextLine()) {
 			String line = scanner.nextLine();
-			boolean isMeekBridge = line.startsWith("Bridge meek");
-			if (useMeek && !isMeekBridge || !useMeek && isMeekBridge) continue;
-			if (!line.startsWith("#")) bridges.add(line);
+			boolean isDefaultObfs4 = line.startsWith("d ");
+			boolean isNonDefaultObfs4 = line.startsWith("n ");
+			boolean isMeek = line.startsWith("m ");
+			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 +33,9 @@ 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;
 import java.io.File;
 import java.io.FileInputStream;
@@ -44,6 +46,7 @@ import java.io.OutputStream;
 import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
+import java.nio.charset.Charset;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
@@ -68,20 +71,16 @@ import static java.util.logging.Level.WARNING;
 import static java.util.logging.Logger.getLogger;
 import static net.freehaven.tor.control.TorControlCommands.HS_ADDRESS;
 import static net.freehaven.tor.control.TorControlCommands.HS_PRIVKEY;
-import static org.briarproject.bramble.api.nullsafety.NullSafety.requireNonNull;
 import static org.briarproject.bramble.api.plugin.Plugin.State.ACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.DISABLED;
 import static org.briarproject.bramble.api.plugin.Plugin.State.ENABLING;
 import static org.briarproject.bramble.api.plugin.Plugin.State.INACTIVE;
 import static org.briarproject.bramble.api.plugin.Plugin.State.STARTING_STOPPING;
-import static org.briarproject.bramble.api.plugin.TorConstants.CONTROL_PORT;
 import static org.briarproject.bramble.api.plugin.TorConstants.DEFAULT_PREF_PLUGIN_ENABLE;
 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;
@@ -90,12 +89,11 @@ 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.api.plugin.TorConstants.V3_MIGRATION_PERIOD_MS;
+import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BridgeType.MEEK;
 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;
@@ -115,7 +113,6 @@ 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 +129,11 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 	private final CircumventionProvider circumventionProvider;
 	private final ResourceProvider resourceProvider;
 	private final long maxLatency;
-	private final int maxIdleTime, socketTimeout;
+	private final int maxIdleTime;
+	private final int socketTimeout;
 	private final File torDirectory, geoIpFile, configFile;
+	private final int torSocksPort;
+	private final int torControlPort;
 	private final File doneFile, cookieFile;
 	private final AtomicBoolean used = new AtomicBoolean(false);
 
@@ -162,7 +162,9 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory) {
+			File torDirectory,
+			int torSocksPort,
+			int torControlPort) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.networkManager = networkManager;
@@ -182,6 +184,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			socketTimeout = Integer.MAX_VALUE;
 		else socketTimeout = maxIdleTime * 2;
 		this.torDirectory = torDirectory;
+		this.torSocksPort = torSocksPort;
+		this.torControlPort = torControlPort;
 		geoIpFile = new File(torDirectory, "geoip");
 		configFile = new File(torDirectory, "torrc");
 		doneFile = new File(torDirectory, "done");
@@ -277,6 +281,7 @@ 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");
@@ -287,7 +292,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		}
 		try {
 			// Open a control connection and authenticate using the cookie file
-			controlSocket = new Socket("127.0.0.1", CONTROL_PORT);
+			controlSocket = new Socket("127.0.0.1", torControlPort);
 			controlConnection = new TorControlConnection(controlSocket);
 			controlConnection.authenticate(read(cookieFile));
 			// Tell Tor to exit when the control connection is closed
@@ -390,9 +395,24 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		return zin;
 	}
 
+	private static void append(StringBuilder strb, String name, int value) {
+		strb.append(name);
+		strb.append(" ");
+		strb.append(value);
+		strb.append("\n");
+	}
+
 	private InputStream getConfigInputStream() {
-		ClassLoader cl = getClass().getClassLoader();
-		return requireNonNull(cl.getResourceAsStream("torrc"));
+		StringBuilder strb = new StringBuilder();
+		append(strb, "ControlPort", torControlPort);
+		append(strb, "CookieAuthentication", 1);
+		append(strb, "DisableNetwork", 1);
+		append(strb, "RunAsDaemon", 1);
+		append(strb, "SafeSocks", 1);
+		append(strb, "SocksPort", torSocksPort);
+		//noinspection CharsetObjectCanBeUsed
+		return new ByteArrayInputStream(
+				strb.toString().getBytes(Charset.forName("UTF-8")));
 	}
 
 	private void listFiles(File f) {
@@ -457,54 +477,10 @@ 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);
@@ -541,7 +517,6 @@ 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);
 		}
 	}
@@ -569,20 +544,20 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		controlConnection.setConf("DisableNetwork", enable ? "0" : "1");
 	}
 
-	private void enableBridges(boolean enable, boolean needsMeek)
+	private void enableBridges(boolean enable, BridgeType bridgeType)
 			throws IOException {
 		if (enable) {
 			Collection<String> conf = new ArrayList<>();
 			conf.add("UseBridges 1");
 			File obfs4File = getObfs4ExecutableFile();
-			if (needsMeek) {
+			if (bridgeType == MEEK) {
 				conf.add("ClientTransportPlugin meek_lite exec " +
 						obfs4File.getAbsolutePath());
 			} else {
 				conf.add("ClientTransportPlugin obfs4 exec " +
 						obfs4File.getAbsolutePath());
 			}
-			conf.addAll(circumventionProvider.getBridges(needsMeek));
+			conf.addAll(circumventionProvider.getBridges(bridgeType));
 			controlConnection.setConf(conf);
 		} else {
 			controlConnection.setConf("UseBridges", "0");
@@ -648,49 +623,30 @@ 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 (!isNullOrEmpty(onion2)) {
-			if (ONION_V2.matcher(onion2).matches()) {
-				bestOnion = onion2;
-				version = "v2";
-			} else {
-				// Don't scrub the address so we can find the problem
-				if (LOG.isLoggable(INFO))
-					LOG.info("Invalid v2 hostname: " + onion2);
+		if (onion3 != null && !ONION_V3.matcher(onion3).matches()) {
+			// Don't scrub the address so we can find the problem
+			if (LOG.isLoggable(INFO)) {
+				LOG.info("Invalid v3 hostname: " + onion3);
 			}
+			onion3 = 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;
+		if (onion3 == null) return null;
 		Socket s = null;
 		try {
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Connecting to " + version + " "
-						+ scrubOnion(bestOnion));
+				LOG.info("Connecting to v3 " + scrubOnion(onion3));
 			}
-			s = torSocketFactory.createSocket(bestOnion + ".onion", 80);
+			s = torSocketFactory.createSocket(onion3 + ".onion", 80);
 			s.setSoTimeout(socketTimeout);
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Connected to " + version + " "
-						+ scrubOnion(bestOnion));
+				LOG.info("Connected to v3 " + scrubOnion(onion3));
 			}
 			return new TorTransportConnection(this, s);
 		} catch (IOException e) {
 			if (LOG.isLoggable(INFO)) {
-				LOG.info("Could not connect to " + version + " "
-						+ scrubOnion(bestOnion) + ": " + e.toString());
+				LOG.info("Could not connect to v3 "
+						+ scrubOnion(onion3) + ": " + e.toString());
 			}
 			tryToClose(s, LOG, WARNING);
 			return null;
@@ -890,7 +846,9 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 			int reasonsDisabled = 0;
 			boolean enableNetwork = false, enableBridges = false;
-			boolean useMeek = false, enableConnectionPadding = false;
+			boolean enableConnectionPadding = false;
+			BridgeType bridgeType =
+					circumventionProvider.getBestBridgeType(country);
 
 			if (!online) {
 				LOG.info("Disabling network, device is offline");
@@ -919,14 +877,10 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 					enableNetwork = true;
 					if (network == PREF_TOR_NETWORK_WITH_BRIDGES ||
 							(automatic && bridgesWork)) {
-						if (ipv6Only ||
-								circumventionProvider.needsMeek(country)) {
-							LOG.info("Using meek bridges");
-							enableBridges = true;
-							useMeek = true;
-						} else {
-							LOG.info("Using obfs4 bridges");
-							enableBridges = true;
+						if (ipv6Only) bridgeType = MEEK;
+						enableBridges = true;
+						if (LOG.isLoggable(INFO)) {
+							LOG.info("Using bridge type " + bridgeType);
 						}
 					} else {
 						LOG.info("Not using bridges");
@@ -944,7 +898,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 
 			try {
 				if (enableNetwork) {
-					enableBridges(enableBridges, useMeek);
+					enableBridges(enableBridges, bridgeType);
 					enableConnectionPadding(enableConnectionPadding);
 					useIpv6(ipv6Only);
 				}
@@ -984,17 +938,17 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 		@Nullable
 		private ServerSocket serverSocket = null;
 
-		synchronized void setStarted() {
+		private synchronized void setStarted() {
 			started = true;
 			callback.pluginStateChanged(getState());
 		}
 
-		synchronized boolean isTorRunning() {
+		private synchronized boolean isTorRunning() {
 			return started && !stopped;
 		}
 
 		@Nullable
-		synchronized ServerSocket setStopped() {
+		private synchronized ServerSocket setStopped() {
 			stopped = true;
 			ServerSocket ss = serverSocket;
 			serverSocket = null;
@@ -1002,44 +956,44 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			return ss;
 		}
 
-		synchronized void setBootstrapped() {
+		private synchronized void setBootstrapped() {
 			bootstrapped = true;
 			callback.pluginStateChanged(getState());
 		}
 
-		synchronized boolean getAndSetCircuitBuilt() {
+		private synchronized boolean getAndSetCircuitBuilt() {
 			boolean firstCircuit = !circuitBuilt;
 			circuitBuilt = true;
 			callback.pluginStateChanged(getState());
 			return firstCircuit;
 		}
 
-		synchronized void enableNetwork(boolean enable) {
+		private synchronized void enableNetwork(boolean enable) {
 			networkInitialised = true;
 			networkEnabled = enable;
 			if (!enable) circuitBuilt = false;
 			callback.pluginStateChanged(getState());
 		}
 
-		synchronized void setReasonsDisabled(int reasonsDisabled) {
+		private synchronized void setReasonsDisabled(int reasonsDisabled) {
 			settingsChecked = true;
 			this.reasonsDisabled = reasonsDisabled;
 			callback.pluginStateChanged(getState());
 		}
 
 		// Doesn't affect getState()
-		synchronized boolean setServerSocket(ServerSocket ss) {
+		private synchronized boolean setServerSocket(ServerSocket ss) {
 			if (stopped || serverSocket != null) return false;
 			serverSocket = ss;
 			return true;
 		}
 
 		// Doesn't affect getState()
-		synchronized void clearServerSocket(ServerSocket ss) {
+		private synchronized void clearServerSocket(ServerSocket ss) {
 			if (serverSocket == ss) serverSocket = null;
 		}
 
-		synchronized State getState() {
+		private synchronized State getState() {
 			if (!started || stopped || !settingsChecked) {
 				return STARTING_STOPPING;
 			}
@@ -1049,7 +1003,7 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
 			return bootstrapped && circuitBuilt ? ACTIVE : ENABLING;
 		}
 
-		synchronized int getReasonsDisabled() {
+		private synchronized int getReasonsDisabled() {
 			return getState() == DISABLED ? reasonsDisabled : 0;
 		}
 	}

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

@@ -4,39 +4,26 @@ 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.util.Base32;
+import org.briarproject.bramble.api.crypto.CryptoComponent;
 
 import java.nio.charset.Charset;
 
-import static java.lang.System.arraycopy;
-
-public class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
+class TorRendezvousCryptoImpl implements TorRendezvousCrypto {
 
 	private static final EdDSANamedCurveSpec CURVE_SPEC =
 			EdDSANamedCurveTable.getByName("Ed25519");
 
-	private static final byte HS_PROTOCOL_VERSION = 3;
-	private static final int CHECKSUM_BYTES = 2;
+	private final CryptoComponent crypto;
+
+	TorRendezvousCryptoImpl(CryptoComponent crypto) {
+		this.crypto = crypto;
+	}
 
 	@Override
 	public String getOnionAddress(byte[] seed) {
 		EdDSAPrivateKeySpec spec = new EdDSAPrivateKeySpec(seed, CURVE_SPEC);
-		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();
+		return crypto.encodeOnionAddress(spec.getA().toByteArray());
 	}
 
 	@Override

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

@@ -37,4 +37,10 @@ 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/SocksModule.java

@@ -1,5 +1,7 @@
 package org.briarproject.bramble.socks;
 
+import org.briarproject.bramble.api.plugin.TorSocksPort;
+
 import java.net.InetSocketAddress;
 
 import javax.net.SocketFactory;
@@ -9,15 +11,14 @@ import dagger.Provides;
 
 import static org.briarproject.bramble.api.plugin.TorConstants.CONNECT_TO_PROXY_TIMEOUT;
 import static org.briarproject.bramble.api.plugin.TorConstants.EXTRA_SOCKET_TIMEOUT;
-import static org.briarproject.bramble.api.plugin.TorConstants.SOCKS_PORT;
 
 @Module
 public class SocksModule {
 
 	@Provides
-	SocketFactory provideTorSocketFactory() {
+	SocketFactory provideTorSocketFactory(@TorSocksPort int torSocksPort) {
 		InetSocketAddress proxy = new InetSocketAddress("127.0.0.1",
-				SOCKS_PORT);
+				torSocksPort);
 		return new SocksSocketFactory(proxy, CONNECT_TO_PROXY_TIMEOUT,
 				EXTRA_SOCKET_TIMEOUT);
 	}

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

@@ -215,6 +215,23 @@ 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

@@ -48,4 +48,9 @@ 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

@@ -393,56 +393,82 @@ class TransportKeyManagerImpl implements TransportKeyManager {
 			throws DbException {
 		lock.lock();
 		try {
-			// Look up the incoming keys for the tag
-			TagContext tagCtx = inContexts.remove(new Bytes(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);
-			}
+			StreamContext ctx = streamContextFromTag(tag);
+			if (ctx == null) return null;
+			markTagAsRecognised(txn, tag);
 			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

@@ -1,10 +1,17 @@
-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
-Bridge obfs4 193.11.166.194:27015 2D82C2E354D531A68469ADF7F878FA6060C6BACA cert=4TLQPJrTSaDffMK7Nbao6LC7G9OW/NHkUwIdjLSS3KYf0Nv4/nQiiI8dY2TcsQx01NniOg iat-mode=0
-Bridge obfs4 193.11.166.194:27020 86AC7B8D430DAC4117E9F42C9EAED18133863AAF cert=0LDeJH4JzMDtkJJrFphJCiPqKx7loozKN7VNfuukMGfHO0Z8OGdzHVkhVAOfo1mUdv9cMg iat-mode=0
-Bridge obfs4 193.11.166.194:27025 1AE2C08904527FEA90C4C4F8C1083EA59FBC6FAF cert=ItvYZzW5tn6v3G4UnQa6Qz04Npro6e81AP70YujmK/KXwDFPTs3aHXcHp4n8Vt6w/bv8cA iat-mode=0
-Bridge obfs4 209.148.46.65:443 74FAD13168806246602538555B5521A0383A1875 cert=ssH+9rP8dG2NLDN2XuFw63hIO/9MNNinLmxQDpVa+7kTOa9/m+tGWT1SmSYpQ9uTBGa6Hw iat-mode=0
-Bridge obfs4 45.145.95.6:27015 C5B7CD6946FF10C5B3E89691A7D3F2C122D2117C cert=TD7PbUO0/0k6xYHMPW3vJxICfkMZNdkRrb63Zhl5j9dW3iRGiCx0A7mPhe5T2EDzQ35+Zw iat-mode=0
-Bridge obfs4 51.222.13.177:80 5EDAC3B810E12B01F6FD8050D2FD3E277B289A08 cert=2uplIpLQ0q9+0qMFrK5pkaYRDOe460LL9WHBvatgkuRr/SL31wBOEupaMMJ6koRE6Ld0ew iat-mode=0
-Bridge obfs4 78.46.188.239:37356 5A2D2F4158D0453E00C7C176978D3F41D69C45DB cert=3c0SwxpOisbohNxEc4tb875RVW8eOu1opRTVXJhafaKA/PNNtI7ElQIVOVZg1AdL5bxGCw iat-mode=0
-Bridge meek_lite 192.0.2.2:2 97700DFE9F483596DDA6264C4D7DF7641E1E39CE url=https://meek.azureedge.net/ front=ajax.aspnetcdn.com
+d Bridge obfs4 38.229.1.78:80 C8CBDB2464FC9804A69531437BCF2BE31FDD2EE4 cert=Hmyfd2ev46gGY7NoVxA9ngrPF2zCZtzskRTzoWXbxNkzeVnGFPWmrTtILRyqCTjHR+s9dg iat-mode=1
+d Bridge obfs4 37.218.245.14:38224 D9A82D2F9C2F65A18407B1D2B764F130847F8B5D cert=bjRaMrr1BRiAW8IE9U5z27fQaYgOhX1UCmOpg2pFpoMvo6ZgQMzLsaTzzQNTlm7hNcb+Sg iat-mode=0
+d Bridge obfs4 85.31.186.98:443 011F2599C0E9B27EE74B353155E244813763C3E5 cert=ayq0XzCwhpdysn5o0EyDUbmSOx3X/oTEbzDMvczHOdBJKlvIdHHLJGkZARtT4dcBFArPPg iat-mode=0
+d Bridge obfs4 85.31.186.26:443 91A6354697E6B02A386312F68D82CF86824D3606 cert=PBwr+S8JTVZo6MPdHnkTwXJPILWADLqfMGoVvhZClMq/Urndyd42BwX9YFJHZnBB3H0XCw iat-mode=0
+d Bridge obfs4 193.11.166.194:27015 2D82C2E354D531A68469ADF7F878FA6060C6BACA cert=4TLQPJrTSaDffMK7Nbao6LC7G9OW/NHkUwIdjLSS3KYf0Nv4/nQiiI8dY2TcsQx01NniOg iat-mode=0
+d Bridge obfs4 193.11.166.194:27020 86AC7B8D430DAC4117E9F42C9EAED18133863AAF cert=0LDeJH4JzMDtkJJrFphJCiPqKx7loozKN7VNfuukMGfHO0Z8OGdzHVkhVAOfo1mUdv9cMg iat-mode=0
+d Bridge obfs4 193.11.166.194:27025 1AE2C08904527FEA90C4C4F8C1083EA59FBC6FAF cert=ItvYZzW5tn6v3G4UnQa6Qz04Npro6e81AP70YujmK/KXwDFPTs3aHXcHp4n8Vt6w/bv8cA iat-mode=0
+d Bridge obfs4 209.148.46.65:443 74FAD13168806246602538555B5521A0383A1875 cert=ssH+9rP8dG2NLDN2XuFw63hIO/9MNNinLmxQDpVa+7kTOa9/m+tGWT1SmSYpQ9uTBGa6Hw iat-mode=0
+d Bridge obfs4 146.57.248.225:22 10A6CD36A537FCE513A322361547444B393989F0 cert=K1gDtDAIcUfeLqbstggjIw2rtgIKqdIhUlHp82XRqNSq/mtAjp1BIC9vHKJ2FAEpGssTPw iat-mode=0
+d Bridge obfs4 45.145.95.6:27015 C5B7CD6946FF10C5B3E89691A7D3F2C122D2117C cert=TD7PbUO0/0k6xYHMPW3vJxICfkMZNdkRrb63Zhl5j9dW3iRGiCx0A7mPhe5T2EDzQ35+Zw iat-mode=0
+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/main/resources/torrc

@@ -1,6 +0,0 @@
-ControlPort 59051
-CookieAuthentication 1
-DisableNetwork 1
-RunAsDaemon 1
-SafeSocks 1
-SocksPort 59050

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.lib.legacy.ClassImposteriser;
+import org.jmock.imposters.ByteBuddyClassImposteriser;
 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(ClassImposteriser.INSTANCE);
+		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
 	}
 
 	@Test(expected = InvalidMessageException.class)

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

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

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

@@ -2197,6 +2197,55 @@ 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

@@ -11,8 +11,9 @@ 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.legacy.ClassImposteriser;
+import org.jmock.lib.concurrent.Synchroniser;
 import org.junit.Rule;
 import org.junit.Test;
 
@@ -34,7 +35,8 @@ public class KeyAgreementProtocolTest extends BrambleTestCase {
 	@Rule
 	public JUnitRuleMockery context = new JUnitRuleMockery() {{
 		// So we can mock concrete classes like KeyAgreementTransport
-		setImposteriser(ClassImposteriser.INSTANCE);
+		setImposteriser(ByteBuddyClassImposteriser.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.lib.legacy.ClassImposteriser;
+import org.jmock.imposters.ByteBuddyClassImposteriser;
 import org.junit.Test;
 
 import java.io.InputStream;
@@ -58,7 +58,7 @@ public class KeyAgreementTransportTest extends BrambleMockTestCase {
 	private KeyAgreementTransport kat;
 
 	public KeyAgreementTransportTest() {
-		context.setImposteriser(ClassImposteriser.INSTANCE);
+		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
 		inputStream = context.mock(InputStream.class);
 		outputStream = context.mock(OutputStream.class);
 	}

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

@@ -0,0 +1,225 @@
+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

@@ -12,10 +12,8 @@ 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.BrambleTestCase;
+import org.briarproject.bramble.test.BrambleMockTestCase;
 import org.jmock.Expectations;
-import org.jmock.Mockery;
-import org.jmock.lib.concurrent.Synchroniser;
 import org.junit.Test;
 
 import java.util.Arrays;
@@ -24,13 +22,10 @@ import java.util.concurrent.Executors;
 
 import static org.briarproject.bramble.test.TestUtils.getTransportId;
 
-public class PluginManagerImplTest extends BrambleTestCase {
+public class PluginManagerImplTest extends BrambleMockTestCase {
 
 	@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);
@@ -116,7 +111,5 @@ public class PluginManagerImplTest extends BrambleTestCase {
 		// 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.lib.legacy.ClassImposteriser;
+import org.jmock.imposters.ByteBuddyClassImposteriser;
 import org.junit.Before;
 import org.junit.Test;
 
@@ -69,7 +69,7 @@ public class PollerImplTest extends BrambleMockTestCase {
 	private PollerImpl poller;
 
 	public PollerImplTest() {
-		context.setImposteriser(ClassImposteriser.INSTANCE);
+		context.setImposteriser(ByteBuddyClassImposteriser.INSTANCE);
 		random = context.mock(SecureRandom.class);
 	}
 

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

@@ -0,0 +1,68 @@
+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

@@ -24,6 +24,26 @@ public class TestFeatureFlagModule {
 			public boolean shouldEnableDisappearingMessages() {
 				return true;
 			}
+
+			@Override
+			public boolean shouldEnableIntroductionsInCore() {
+				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

@@ -1,19 +1,17 @@
 package org.briarproject.bramble.transport;
 
 import org.briarproject.bramble.api.crypto.StreamDecrypter;
-import org.briarproject.bramble.test.BrambleTestCase;
+import org.briarproject.bramble.test.BrambleMockTestCase;
 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 BrambleTestCase {
+public class StreamReaderImplTest extends BrambleMockTestCase {
 
 	@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)));
@@ -30,13 +28,11 @@ public class StreamReaderImplTest extends BrambleTestCase {
 		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)));
@@ -56,13 +52,11 @@ public class StreamReaderImplTest extends BrambleTestCase {
 		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)));
@@ -78,13 +72,11 @@ public class StreamReaderImplTest extends BrambleTestCase {
 		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)));
@@ -102,7 +94,6 @@ public class StreamReaderImplTest extends BrambleTestCase {
 				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

@@ -1,19 +1,17 @@
 package org.briarproject.bramble.transport;
 
 import org.briarproject.bramble.api.crypto.StreamEncrypter;
-import org.briarproject.bramble.test.BrambleTestCase;
+import org.briarproject.bramble.test.BrambleMockTestCase;
 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 BrambleTestCase {
+public class StreamWriterImplTest extends BrambleMockTestCase {
 
 	@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
@@ -24,13 +22,11 @@ public class StreamWriterImplTest extends BrambleTestCase {
 		}});
 		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() {{
@@ -51,13 +47,11 @@ public class StreamWriterImplTest extends BrambleTestCase {
 			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() {{
@@ -79,12 +73,10 @@ public class StreamWriterImplTest extends BrambleTestCase {
 			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() {{
@@ -103,12 +95,10 @@ public class StreamWriterImplTest extends BrambleTestCase {
 			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() {{
@@ -134,12 +124,10 @@ public class StreamWriterImplTest extends BrambleTestCase {
 			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() {{
@@ -157,6 +145,5 @@ public class StreamWriterImplTest extends BrambleTestCase {
 		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

@@ -393,6 +393,76 @@ 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

@@ -15,6 +15,8 @@ dependencyVerification {
         '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.h2database:h2:1.4.192:h2-1.4.192.jar:225b22e9857235c46c93861410b60b8c81c10dc8985f4faf188985ba5445126c',
+        'com.squareup.okhttp3:okhttp:3.12.13:okhttp-3.12.13.jar:508234e024ef7e270ab1a6d5b356f5b98e786511239ca986d684fd1e2cf7bc82',
+        'com.squareup.okio:okio:1.15.0:okio-1.15.0.jar:693fa319a7e8843300602b204023b7674f106ebcb577f2dd5807212b66118bd2',
         'com.squareup:javapoet:1.13.0:javapoet-1.13.0.jar:4c7517e848a71b36d069d12bb3bf46a70fd4cda3105d822b0ed2e19c00b69291',
         'javax.annotation:jsr250-api:1.0:jsr250-api-1.0.jar:a1a922d0d9b6d183ed3800dfac01d1e1eb159f0e8c6f94736931c1def54a941f',
         'javax.inject:javax.inject:1:javax.inject-1.jar:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
@@ -26,7 +28,7 @@ dependencyVerification {
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
         '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-jdk15on:1.69:bcprov-jdk15on-1.69.jar:e469bd39f936999f256002631003ff022a22951da9d5bd9789c7abfa9763a292',
+        'org.bouncycastle:bcprov-jdk15to18:1.70:bcprov-jdk15to18-1.70.jar:7df4c54f29ce2dd616dc3b198ca4db3dfcc79e3cb397c084a0aff97b85c0bf38',
         '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',

bramble-java/build.gradle

@@ -17,8 +17,8 @@ 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:0.3.5.15'
-	tor 'org.briarproject:obfs4proxy:0.0.12-dev-40245c4a@zip'
+	tor "org.briarproject:tor:$tor_version"
+	tor "org.briarproject:obfs4proxy:$obfs4proxy_version@zip"
 
 	annotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
@@ -27,7 +27,6 @@ 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/tor/JavaTorPlugin.java

@@ -35,12 +35,15 @@ abstract class JavaTorPlugin extends TorPlugin {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory) {
+			File torDirectory,
+			int torSocksPort,
+			int torControlPort) {
 		super(ioExecutor, wakefulIoExecutor, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, backoff,
 				torRendezvousCrypto, callback, architecture,
-				maxLatency, maxIdleTime, torDirectory);
+				maxLatency, maxIdleTime, torDirectory, torSocksPort,
+				torControlPort);
 	}
 
 	@Override

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

@@ -35,12 +35,15 @@ class UnixTorPlugin extends JavaTorPlugin {
 			String architecture,
 			long maxLatency,
 			int maxIdleTime,
-			File torDirectory) {
+			File torDirectory,
+			int torSocksPort,
+			int torControlPort) {
 		super(ioExecutor, wakefulIoExecutor, networkManager, locationUtils,
 				torSocketFactory, clock, resourceProvider,
 				circumventionProvider, batteryManager, backoff,
 				torRendezvousCrypto, callback, architecture,
-				maxLatency, maxIdleTime, torDirectory);
+				maxLatency, maxIdleTime, torDirectory, torSocksPort,
+				torControlPort);
 	}
 
 	@Override

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

@@ -1,6 +1,7 @@
 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;
@@ -9,7 +10,9 @@ import org.briarproject.bramble.api.plugin.Backoff;
 import org.briarproject.bramble.api.plugin.BackoffFactory;
 import org.briarproject.bramble.api.plugin.PluginCallback;
 import org.briarproject.bramble.api.plugin.TorConstants;
+import org.briarproject.bramble.api.plugin.TorControlPort;
 import org.briarproject.bramble.api.plugin.TorDirectory;
+import org.briarproject.bramble.api.plugin.TorSocksPort;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
@@ -54,6 +57,9 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 	private final BatteryManager batteryManager;
 	private final Clock clock;
 	private final File torDirectory;
+	private int torSocksPort;
+	private int torControlPort;
+	private final CryptoComponent crypto;
 
 	@Inject
 	UnixTorPluginFactory(@IoExecutor Executor ioExecutor,
@@ -67,7 +73,10 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 			CircumventionProvider circumventionProvider,
 			BatteryManager batteryManager,
 			Clock clock,
-			@TorDirectory File torDirectory) {
+			@TorDirectory File torDirectory,
+			@TorSocksPort int torSocksPort,
+			@TorControlPort int torControlPort,
+			CryptoComponent crypto) {
 		this.ioExecutor = ioExecutor;
 		this.wakefulIoExecutor = wakefulIoExecutor;
 		this.networkManager = networkManager;
@@ -80,6 +89,9 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 		this.batteryManager = batteryManager;
 		this.clock = clock;
 		this.torDirectory = torDirectory;
+		this.torSocksPort = torSocksPort;
+		this.torControlPort = torControlPort;
+		this.crypto = crypto;
 	}
 
 	@Override
@@ -120,12 +132,14 @@ public class UnixTorPluginFactory implements DuplexPluginFactory {
 
 		Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
 				MAX_POLLING_INTERVAL, BACKOFF_BASE);
-		TorRendezvousCrypto torRendezvousCrypto = new TorRendezvousCryptoImpl();
+		TorRendezvousCrypto torRendezvousCrypto =
+				new TorRendezvousCryptoImpl(crypto);
 		UnixTorPlugin plugin = new UnixTorPlugin(ioExecutor, wakefulIoExecutor,
 				networkManager, locationUtils, torSocketFactory, clock,
 				resourceProvider, circumventionProvider, batteryManager,
 				backoff, torRendezvousCrypto, callback, architecture,
-				MAX_LATENCY, MAX_IDLE_TIME, torDirectory);
+				MAX_LATENCY, MAX_IDLE_TIME, torDirectory, torSocksPort,
+				torControlPort);
 		eventBus.addListener(plugin);
 		return plugin;
 	}

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

@@ -2,15 +2,18 @@ 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;
@@ -33,9 +36,14 @@ import javax.inject.Inject;
 import javax.net.SocketFactory;
 
 import static java.util.Collections.singletonList;
-import static java.util.concurrent.TimeUnit.SECONDS;
+import static java.util.concurrent.TimeUnit.MINUTES;
 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;
@@ -54,14 +62,21 @@ public class BridgeTest extends BrambleTestCase {
 				.injectEagerSingletons(component);
 		// Share a failure counter among all the test instances
 		AtomicInteger failures = new AtomicInteger(0);
-		List<String> bridges =
-				component.getCircumventionProvider().getBridges(false);
-		List<Params> states = new ArrayList<>(bridges.size());
-		for (String bridge : bridges) states.add(new Params(bridge, failures));
+		CircumventionProvider provider = component.getCircumventionProvider();
+		List<Params> states = new ArrayList<>();
+		for (String bridge : provider.getBridges(DEFAULT_OBFS4)) {
+			states.add(new Params(bridge, DEFAULT_OBFS4, failures, false));
+		}
+		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 = SECONDS.toMillis(60);
+	private final static long TIMEOUT = MINUTES.toMillis(5);
 	private final static int NUM_FAILURES_ALLOWED = 1;
 
 	private final static Logger LOG = getLogger(BridgeTest.class.getName());
@@ -86,16 +101,16 @@ public class BridgeTest extends BrambleTestCase {
 	BackoffFactory backoffFactory;
 	@Inject
 	Clock clock;
+	@Inject
+	CryptoComponent crypto;
 
 	private final File torDir = getTestDirectory();
-	private final String bridge;
-	private final AtomicInteger failures;
+	private final Params params;
 
 	private UnixTorPluginFactory factory;
 
 	public BridgeTest(Params params) {
-		bridge = params.bridge;
-		failures = params.failures;
+		this.params = params;
 	}
 
 	@Before
@@ -115,6 +130,7 @@ public class BridgeTest extends BrambleTestCase {
 		LocationUtils locationUtils = () -> "US";
 		SocketFactory torSocketFactory = SocketFactory.getDefault();
 
+		@NotNullByDefault
 		CircumventionProvider bridgeProvider = new CircumventionProvider() {
 			@Override
 			public boolean isTorProbablyBlocked(String countryCode) {
@@ -127,19 +143,20 @@ public class BridgeTest extends BrambleTestCase {
 			}
 
 			@Override
-			public boolean needsMeek(String countryCode) {
-				return false;
+			public BridgeType getBestBridgeType(String countryCode) {
+				return params.bridgeType;
 			}
 
 			@Override
-			public List<String> getBridges(boolean useMeek) {
-				return singletonList(bridge);
+			public List<String> getBridges(BridgeType bridgeType) {
+				return singletonList(params.bridge);
 			}
 		};
 		factory = new UnixTorPluginFactory(ioExecutor, wakefulIoExecutor,
 				networkManager, locationUtils, eventBus, torSocketFactory,
 				backoffFactory, resourceProvider, bridgeProvider,
-				batteryManager, clock, torDir);
+				batteryManager, clock, torDir, DEFAULT_SOCKS_PORT,
+				DEFAULT_CONTROL_PORT, crypto);
 	}
 
 	@After
@@ -154,7 +171,7 @@ public class BridgeTest extends BrambleTestCase {
 		assertNotNull(duplexPlugin);
 		UnixTorPlugin plugin = (UnixTorPlugin) duplexPlugin;
 
-		LOG.warning("Testing " + bridge);
+		LOG.warning("Testing " + params.bridge);
 		try {
 			plugin.start();
 			long start = clock.currentTimeMillis();
@@ -164,8 +181,11 @@ public class BridgeTest extends BrambleTestCase {
 			}
 			if (plugin.getState() != ACTIVE) {
 				LOG.warning("Could not connect to Tor within timeout");
-				if (failures.incrementAndGet() > NUM_FAILURES_ALLOWED) {
-					fail(failures.get() + " bridges are unreachable");
+				if (params.failures.incrementAndGet() > NUM_FAILURES_ALLOWED) {
+					fail(params.failures.get() + " bridges are unreachable");
+				}
+				if (params.mustSucceed) {
+					fail("essential bridge is unreachable");
 				}
 			}
 		} finally {
@@ -176,11 +196,16 @@ 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, AtomicInteger failures) {
+		private Params(String bridge, BridgeType bridgeType,
+				AtomicInteger failures, boolean mustSucceed) {
 			this.bridge = bridge;
+			this.bridgeType = bridgeType;
 			this.failures = failures;
+			this.mustSucceed = mustSucceed;
 		}
 	}
 }

bramble-java/witness.gradle

@@ -25,7 +25,7 @@ dependencyVerification {
         'net.ltgt.gradle.incap:incap:0.2:incap-0.2.jar:b625b9806b0f1e4bc7a2e3457119488de3cd57ea20feedd513db070a573a4ffd',
         '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:0.3.5.15:tor-0.3.5.15.jar:2ff5b5a3b5eaa97d699629ad24ba9584b3199d0ffdb1ea7d8a02de3016b80e7a',
+        'org.briarproject:tor:0.3.5.17:tor-0.3.5.17.jar:ce0e1f4d8f14878e61b23a35a452bc0f2a8e3117ced5a74773cd78475fa7af39',
         '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.codehaus.mojo:animal-sniffer-annotations:1.17:animal-sniffer-annotations-1.17.jar:92654f493ecfec52082e76354f0ebf87648dc3d5cec2e3c3cdb947c016747a53',

briar-android/build.gradle

@@ -26,8 +26,8 @@ android {
 	defaultConfig {
 		minSdkVersion 16
 		targetSdkVersion 30
-		versionCode 10401
-		versionName "1.4.1"
+		versionCode 10403
+		versionName "1.4.3"
 		applicationId "org.briarproject.briar.android"
 
 		vectorDrawables.useSupportLibrary = true
@@ -131,17 +131,17 @@ dependencies {
 	def espressoVersion = '3.3.0'
 	testImplementation project(path: ':bramble-api', configuration: 'testOutput')
 	testImplementation project(path: ':bramble-core', configuration: 'testOutput')
-	testImplementation 'androidx.test:runner:1.3.0'
-	testImplementation 'androidx.test.ext:junit:1.1.2'
-	testImplementation 'androidx.fragment:fragment-testing:1.3.4'
+	testImplementation 'androidx.test:runner:1.4.0'
+	testImplementation 'androidx.test.ext:junit:1.1.3'
+	testImplementation 'androidx.fragment:fragment-testing:1.4.0'
 	testImplementation "androidx.arch.core:core-testing:2.1.0"
 	testImplementation "androidx.test.espresso:espresso-core:$espressoVersion"
-	testImplementation 'org.robolectric:robolectric:4.3.1'
+	testImplementation 'org.robolectric:robolectric:4.4'
 	testImplementation 'org.mockito:mockito-core:3.9.0'
 	testImplementation "junit:junit:$junit_version"
 	testImplementation "org.jmock:jmock:$jmock_version"
 	testImplementation "org.jmock:jmock-junit4:$jmock_version"
-	testImplementation "org.jmock:jmock-legacy:$jmock_version"
+	testImplementation "org.jmock:jmock-imposters:$jmock_version"
 	testAnnotationProcessor "com.google.dagger:dagger-compiler:$dagger_version"
 
 	androidTestImplementation project(path: ':bramble-api', configuration: 'testOutput')

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

@@ -18,7 +18,9 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
 import org.briarproject.bramble.api.plugin.BluetoothConstants;
 import org.briarproject.bramble.api.plugin.LanTcpConstants;
 import org.briarproject.bramble.api.plugin.PluginConfig;
+import org.briarproject.bramble.api.plugin.TorControlPort;
 import org.briarproject.bramble.api.plugin.TorDirectory;
+import org.briarproject.bramble.api.plugin.TorSocksPort;
 import org.briarproject.bramble.api.plugin.TransportId;
 import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
 import org.briarproject.bramble.api.plugin.simplex.SimplexPluginFactory;
@@ -41,6 +43,7 @@ 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;
@@ -53,6 +56,7 @@ 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;
 
@@ -74,8 +78,11 @@ import static java.util.Arrays.asList;
 import static java.util.Collections.emptyList;
 import static java.util.Collections.singletonList;
 import static java.util.Collections.singletonMap;
+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.api.reporting.ReportingConstants.DEV_ONION_ADDRESS;
 import static org.briarproject.bramble.api.reporting.ReportingConstants.DEV_PUBLIC_KEY_HEX;
+import static org.briarproject.briar.android.TestingConstants.IS_DEBUG_BUILD;
 
 @Module(includes = {
 		SetupModule.class,
@@ -98,6 +105,7 @@ import static org.briarproject.bramble.api.reporting.ReportingConstants.DEV_PUBL
 		SharingModule.class,
 		HotspotModule.class,
 		TransferDataModule.class,
+		MailboxModule.class,
 })
 public class AppModule {
 
@@ -107,7 +115,7 @@ public class AppModule {
 		@Inject
 		ScreenFilterMonitor screenFilterMonitor;
 		@Inject
-		NetworkUsageLogger networkUsageLogger;
+		NetworkUsageMetrics networkUsageMetrics;
 		@Inject
 		DozeWatchdog dozeWatchdog;
 		@Inject
@@ -154,6 +162,28 @@ public class AppModule {
 		return app.getDir("tor", MODE_PRIVATE);
 	}
 
+	@Provides
+	@Singleton
+	@TorSocksPort
+	int provideTorSocksPort() {
+		if (!IS_DEBUG_BUILD) {
+			return DEFAULT_SOCKS_PORT;
+		} else {
+			return DEFAULT_SOCKS_PORT + 2;
+		}
+	}
+
+	@Provides
+	@Singleton
+	@TorControlPort
+	int provideTorControlPort() {
+		if (!IS_DEBUG_BUILD) {
+			return DEFAULT_CONTROL_PORT;
+		} else {
+			return DEFAULT_CONTROL_PORT + 2;
+		}
+	}
+
 	@Provides
 	@Singleton
 	PluginConfig providePluginConfig(AndroidBluetoothPluginFactory bluetooth,
@@ -258,11 +288,12 @@ public class AppModule {
 	}
 
 	@Provides
-	NetworkUsageLogger provideNetworkUsageLogger(
+	@Singleton
+	NetworkUsageMetrics provideNetworkUsageMetrics(
 			LifecycleManager lifecycleManager) {
-		NetworkUsageLogger networkUsageLogger = new NetworkUsageLogger();
-		lifecycleManager.registerService(networkUsageLogger);
-		return networkUsageLogger;
+		NetworkUsageMetrics networkUsageMetrics = new NetworkUsageMetricsImpl();
+		lifecycleManager.registerService(networkUsageMetrics);
+		return networkUsageMetrics;
 	}
 
 	@Provides
@@ -308,6 +339,26 @@ public class AppModule {
 			public boolean shouldEnableDisappearingMessages() {
 				return true;
 			}
+
+			@Override
+			public boolean shouldEnableIntroductionsInCore() {
+				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

@@ -1,40 +0,0 @@
-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

@@ -0,0 +1,49 @@
+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/contact/ContactListItem.java

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

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

@@ -28,6 +28,7 @@ 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;
 
@@ -131,13 +132,14 @@ 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 ConversationMessageReceivedEvent) {
-			LOG.info("Conversation message received, updating item");
-			ConversationMessageReceivedEvent<?> p =
-					(ConversationMessageReceivedEvent<?>) e;
-			ConversationMessageHeader h = p.getMessageHeader();
-			updateItem(p.getContactId(), item -> new ContactListItem(item, h),
-					true);
+		} else if (e instanceof ConversationMessageTrackedEvent) {
+			LOG.info("Conversation message tracked, updating item");
+			ConversationMessageTrackedEvent p =
+					(ConversationMessageTrackedEvent) e;
+			long timestamp = p.getTimestamp();
+			boolean read = p.getRead();
+			updateItem(p.getContactId(),
+					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

@@ -20,6 +20,8 @@ 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

@@ -53,7 +53,8 @@ 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.util.QrCodeUtils;
+import org.briarproject.briar.android.qrcode.QrCodeDecoder;
+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/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.util.QrCodeUtils;
+import org.briarproject.briar.android.qrcode.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.util.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
+import static org.briarproject.briar.android.qrcode.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
 import static org.briarproject.briar.android.util.UiUtils.handleException;
 
 @MethodsNotNullByDefault
@@ -312,12 +312,19 @@ class HotspotManager {
 		}
 		GroupInfoListener groupListener = group -> {
 			boolean valid = isGroupValid(group);
-			// If the group is valid, set the hotspot to started. If we don't
-			// have any attempts left, we try what we got
-			if (valid || attempt >= MAX_GROUP_INFO_ATTEMPTS) {
+			if (valid) {
+				// the group is valid, set the hotspot to started.
+				onHotspotStarted(group);
+			} 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 {
-				retryRequestingGroupInfo(attempt);
+				// no attempts left and group is null, fail
+				releaseHotspotWithError(ctx.getString(
+						R.string.hotspot_error_start_callback_no_group_info));
 			}
 		};
 		try {
@@ -366,13 +373,8 @@ 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
-		if (attempt < MAX_GROUP_INFO_ATTEMPTS) {
-			handler.postDelayed(() -> requestGroupInfo(attempt + 1),
-					RETRY_DELAY_MILLIS);
-		} else {
-			releaseHotspotWithError(ctx.getString(
-					R.string.hotspot_error_start_callback_no_group_info));
-		}
+		handler.postDelayed(() -> requestGroupInfo(attempt + 1),
+				RETRY_DELAY_MILLIS);
 	}
 
 	@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.util.QrCodeUtils;
+import org.briarproject.briar.android.qrcode.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.util.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
+import static org.briarproject.briar.android.qrcode.QrCodeUtils.HOTSPOT_QRCODE_FACTOR;
 
 @MethodsNotNullByDefault
 @ParametersNotNullByDefault

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

@@ -0,0 +1,19 @@
+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

@@ -0,0 +1,95 @@
+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/qrcode/CameraException.java

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

briar-android/src/main/java/org/briarproject/briar/android/qrcode/CameraView.java

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

briar-android/src/main/java/org/briarproject/briar/android/qrcode/PreviewConsumer.java

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

briar-android/src/main/java/org/briarproject/briar/android/qrcode/QrCodeDecoder.java

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

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

@@ -1,4 +1,4 @@
-package org.briarproject.briar.android.util;
+package org.briarproject.briar.android.qrcode;
 
 import android.graphics.Bitmap;
 import android.util.DisplayMetrics;
@@ -23,11 +23,10 @@ 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/reporting/BriarReportCollector.java

@@ -28,6 +28,8 @@ 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;
@@ -65,9 +67,11 @@ import static org.briarproject.bramble.util.StringUtils.isNullOrEmpty;
 class BriarReportCollector {
 
 	private final Context ctx;
+	private final NetworkUsageMetrics networkUsageMetrics;
 
-	BriarReportCollector(Context ctx) {
+	BriarReportCollector(Context ctx, NetworkUsageMetrics networkUsageMetrics) {
 		this.ctx = ctx;
+		this.networkUsageMetrics = networkUsageMetrics;
 	}
 
 	ReportData collectReportData(@Nullable Throwable t, long appStartTime,
@@ -81,6 +85,7 @@ class BriarReportCollector {
 				.add(getMemory())
 				.add(getStorage())
 				.add(getConnectivity())
+				.add(getNetworkUsage())
 				.add(getBuildConfig())
 				.add(getLogcat(logs))
 				.add(getDeviceFeatures());
@@ -298,6 +303,16 @@ 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

@@ -18,6 +18,7 @@ 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;
@@ -69,12 +70,13 @@ 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);
+		collector = new BriarReportCollector(application, networkUsageMetrics);
 		this.logHandler = logHandler;
 		this.logDecrypter = logDecrypter;
 		this.reporter = reporter;

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, NORMAL);
+			authorName.setTypeface(authorNameTypeface, Typeface.NORMAL);
 		}
 
 		invalidate();

briar-android/src/main/java/org/briarproject/briar/api/android/NetworkUsageMetrics.java

@@ -0,0 +1,34 @@
+package org.briarproject.briar.api.android;
+
+import org.briarproject.bramble.api.lifecycle.Service;
+import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
+
+@NotNullByDefault
+public interface NetworkUsageMetrics extends Service {
+
+	Metrics getMetrics();
+
+	class Metrics {
+
+		private final long sessionDurationMs, rxBytes, txBytes;
+
+		public Metrics(long sessionDurationMs, long rxBytes,
+				long txBytes) {
+			this.sessionDurationMs = sessionDurationMs;
+			this.rxBytes = rxBytes;
+			this.txBytes = txBytes;
+		}
+
+		public long getSessionDurationMs() {
+			return sessionDurationMs;
+		}
+
+		public long getRxBytes() {
+			return rxBytes;
+		}
+
+		public long getTxBytes() {
+			return txBytes;
+		}
+	}
+}

briar-android/src/main/res/layout/fragment_keyagreement_qr.xml

@@ -5,7 +5,7 @@
 	android:layout_height="match_parent"
 	android:keepScreenOn="true">
 
-	<org.briarproject.briar.android.contact.add.nearby.CameraView
+	<org.briarproject.briar.android.qrcode.CameraView
 		android:id="@+id/camera_view"
 		android:layout_width="match_parent"
 		android:layout_height="match_parent" />

briar-android/src/main/res/values-bg/strings.xml

@@ -647,8 +647,6 @@
   <string name="transports_help_text">Briar може да се свърже с контактите ви през интернет, Wi-Fi или Bluetooth.\n\nЗа повече поверителност цялата връзка към интернет се пренасочва през мрежата на Tor.\n\nАко даден контакт може да бъде достъпен чрез няколко метода Briar ги използва успоредно.</string>
   <!--Share app offline-->
   <string name="hotspot_title">Споделяне на приложението извън мрежа</string>
-  <string name="hotspot_intro">Споделете приложението с някого около вас без достъп до интернет с използване на Wi-Fi на устройствата.
-\n\nВашето устройство създава безжична точка за достъп. Хората около вас биха могли да се свържат към нея и да изтеглят Briar от вашето устройство.</string>
   <string name="hotspot_button_start_sharing">Включване на безжична точка</string>
   <string name="hotspot_button_stop_sharing">Спиране на безжична точка</string>
   <string name="hotspot_progress_text_start">Настройване на безжична точка…</string>

briar-android/src/main/res/values-de/strings.xml

@@ -692,6 +692,7 @@
   <string name="hotspot_help_wifi_title">Probleme bei der WLAN-Verbindung:</string>
   <string name="hotspot_help_wifi_1">Versuche, WLAN auf beiden Telefonen zu deaktivieren und wieder zu aktivieren, und versuche es dann erneut.</string>
   <string name="hotspot_help_wifi_2">Wenn dein Telefon meldet, dass das WLAN kein Internet hat, sag ihm, dass du trotzdem verbunden bleiben willst.</string>
+  <string name="hotspot_help_wifi_3">Telefon neu starten, auf dem der WLAN-Hotspot läuft, danach Briar starten und erneut teilen.</string>
   <string name="hotspot_help_site_title">Probleme beim Besuch der lokalen Webseite:</string>
   <string name="hotspot_help_site_1">Überprüfe unbedingt, ob du die Adresse genau so wie angezeigt eingegeben hast. Ein kleiner Fehler kann dazu führen, dass der Versuch fehlschlägt.</string>
   <string name="hotspot_help_site_2">Vergewissere dich, dass dein Telefon immer noch mit dem richtigen WLAN verbunden ist (siehe oben), wenn du die Webseite aufrufen willst.</string>

briar-android/src/main/res/values-es/strings.xml

@@ -609,6 +609,7 @@
   <string name="dev_report_memory">Memoria</string>
   <string name="dev_report_storage">Almacenamiento</string>
   <string name="dev_report_connectivity">Conectividad</string>
+  <string name="dev_report_network_usage">Uso de red</string>
   <string name="dev_report_build_config">Configuración de compilación</string>
   <string name="dev_report_logcat">Registro de la aplicación</string>
   <string name="dev_report_device_features">Características del dispositivo</string>
@@ -651,7 +652,7 @@
   <string name="transports_help_text">Briar puede conectar a tus contactos vía Internet, Wi-Fi o Bluetooth.\n\nTodas las conexiones a Internet van a través de la red Tor por privacidad.\n\nSi un contacto puede ser alcanzado por múltiples métodos, Briar los usa en paralelo.</string>
   <!--Share app offline-->
   <string name="hotspot_title">Comparte esta aplicación fuera de línea</string>
-  <string name="hotspot_intro">Comparte esta aplicación con alguien que esté cerca tuyo sin conexión a Internet, usando el Wi-Fi de tu teléfono.
+  <string name="hotspot_intro">Comparte esta aplicación con alguien que esté cerca tuyo sin una conexión a Internet, usando el Wi-Fi de tu teléfono.
 		\n\nTu teléfono iniciará un punto de acceso Wi-Fi. Las personas cercanas a tí pueden conectarse al punto de acceso y descargar la aplicación Briar desde tu teléfono.</string>
   <string name="hotspot_button_start_sharing">Iniciar punto de acceso</string>
   <string name="hotspot_button_stop_sharing">Detener punto de acceso</string>

briar-android/src/main/res/values-fa/strings.xml

@@ -45,6 +45,11 @@
 
 اخطار: هویت های شما، مخاطبان شما و پیام های شما برای همیشه از بین خواهند رفت.</string>
   <string name="startup_failed_activity_title">خطا در شروع Briar (برایر)</string>
+  <string name="startup_failed_clock_error">Briar به دلیل این که ساعت دستگاه شما غلط است، اجرا نشد.\n\n لطفا ساعت دستگاه خود را تنظیم کرده و دوباره تلاش کنید.</string>
+  <string name="startup_failed_db_error">Briar قادر به باز کردن پایگاه داده حاوی حساب کاربری، مخاطبین و پیام‌های شما نشد.\n\n لطفا برنامه را به آخرین نسخه ارتقا داده، و یا هنگام وارد کردن رمز عبور، با انتخاب گزینه «رمز خود را فراموش کرده‌ام» حساب جدیدی ایجاد کنید.</string>
+  <string name="startup_failed_data_too_old_error">حساب کاربری شما با نسخه قدیمی این برنامه ساخته شده و در این نسخه قابل باز شدن نیست.\n\n شما یا باید نسخه قبلی را دوباره نصب کنید و یا هنگام وارد کردن رمز عبور، با انتخاب «رمز خود را فراموش کرده‌ام» حساب جدیدی ایجاد کنید.</string>
+  <string name="startup_failed_data_too_new_error">حساب کاربری شما با نسخه جدیدتر این برنامه ساخته شده و در این نسخه قابل باز شدن نیست.\n\n لطفا به آخرین نسخه ارتقا داده و دوباره امتحان کنید.</string>
+  <string name="startup_failed_service_error">Briar قادر به آغاز اجزای مورد نیاز نیست.\n\n لطفا به آخرین نسخه برنامه ارتقا داده و دوباره امتحان کنید.</string>
   <plurals name="expiry_warning">
     <item quantity="one">این یک نسخه آزمایشی از Briar (برایر) می باشد. حساب کاربری شما در %d روز آینده به پایان می رسد و امکان تمدید آن وجود نخواهد داشت.</item>
     <item quantity="other">این یک نسخه آزمایشی از Briar (برایر) می باشد. حساب کاربری شما در %d روز آینده به پایان می رسد و امکان تمدید آن وجود نخواهد داشت.</item>
@@ -329,9 +334,13 @@
   <!--Connect via Bluetooth-->
   <string name="menu_item_connect_via_bluetooth">اتصال از طریق بلوتوث</string>
   <string name="connect_via_bluetooth_title">اتصال از طریق بلوتوث</string>
+  <string name="connect_via_bluetooth_intro">در صورتی که ارتباطات بلوتوث به صورت خودکار کار نکرد، می‌توانید از این صفحه برای ارتباط دستی استفاده کنید.\n\n برای کار کردن این امکان، مخاطب شما باید نزدیک باشد.\n\n شما و مخاطبتان باید هر دو گزینه «آغاز» را همزمان بفشارید.</string>
+  <string name="connect_via_bluetooth_already_discovering">در حال تلاش برای اتصال با بلوتوث. لطفا به زودی دوباره امتحان کنید.</string>
   <string name="connect_via_bluetooth_no_location_permission">امکان ادامه بدون اجازه مکان‌یابی وجود ندارد</string>
   <string name="connect_via_bluetooth_start">در حال اتصال از طریق بلوتوث</string>
   <string name="connect_via_bluetooth_success">ارتباط از طریق بلوتوث با موفقیت انجام شد</string>
+  <string name="connect_via_bluetooth_error">اتصال از طریق بلوتوث امکان پذیر نیست.</string>
+  <string name="connect_via_bluetooth_error_not_supported">بلوتوث توسط دستگاه پشتیبانی نمی‌شود.</string>
   <!--Private Groups-->
   <string name="groups_list_empty">هیچ گروهی برای نمایش وجود ندارد</string>
   <string name="groups_list_empty_action">برای ایجاد یک گروه روی آیکون + کلیک کنید، یا از مخاطبان خود بخواهید تا گروه های خود را با شما به اشتراک بگذارند</string>
@@ -622,6 +631,7 @@
   <string name="link_warning_open_link">باز کردن پیوند</string>
   <!--Crash Reporter-->
   <string name="crash_report_title">گزارش خطای Briar (برایر)</string>
+  <string name="briar_crashed">متاسفانه Briar از کار افتاد</string>
   <string name="not_your_fault">این تقصیر شما نیست.</string>
   <string name="please_send_report">لطفا با فرستادن گزارش خطا به ما کمک کنید تا Briar (برایر) را بهتر کنیم.</string>
   <string name="report_is_encrypted">به شما اطمینان می دهیم که گزارش شما رمزنگاری شده و به صورت امن فرستاده می شود.</string>
@@ -639,6 +649,7 @@
   <string name="dev_report_memory">حافظه</string>
   <string name="dev_report_storage">حافظه</string>
   <string name="dev_report_connectivity">اتصال</string>
+  <string name="dev_report_network_usage">استفاده از شبکه</string>
   <string name="dev_report_build_config">پیکربندی ساخت</string>
   <string name="dev_report_logcat">لاگ برنامه</string>
   <string name="dev_report_device_features">ویژگی‌های دستگاه</string>
@@ -692,18 +703,89 @@ Briar (برایر) موقعیت شما را ذخیره نمی‌کند و آن
   <!--Connections Screen-->
   <string name="transports_help_text">Briar (برایر) می‌تواند از طریق اینترنت، Wi-Fi و یا بلوتوث به مخاطبین شما متصل گردد.\n\nارتباط با اینترنت از طریق شبکه‌ی تور صورت می‌پذیرد.\n\nاگر دسترسی به مخاطب شما از روش‌های مختلفی ممکن باشد، Briar (برایر) به صورت موازی از آن‌ها استفاده خواهد کرد.</string>
   <!--Share app offline-->
+  <string name="hotspot_title">این برنامه را به صورت آفلاین به اشتراک بگذارید</string>
+  <string name="hotspot_intro">این برنامه را بدو ارتباط با اینترنت و فقط با Wi-Fi تلفن خود با فردی در نزدیکی خود به اشتراک بگذارید.
+		\n\n تلفن شما با Wi-Fi hotspot آغاز می‌شود. افراد در نزدیکی شما می‌توانند به hotspot متصل شده و برنامه Briar را از تلفن شما دانلود کنند.</string>
+  <string name="hotspot_button_start_sharing">آغاز hotspot</string>
+  <string name="hotspot_button_stop_sharing">توقف hotspot</string>
+  <string name="hotspot_progress_text_start">در حال راه اندازی hotspot...</string>
+  <string name="hotspot_notification_channel_title">Wi-Fi hotspot</string>
+  <string name="hotspot_notification_title">اشتراک‌گذاری آفلاین Briar</string>
   <string name="hotspot_button_connected">بعد</string>
+  <string name="permission_hotspot_location_request_body">برای ایجاد Wi-Fi hotspot، Briar به مجوز دسترسی مکانی شما نیاز دارد.\n\n Briar اطلاعات مکانی شما را ذخیره نکرده و با کسی به اشتراک نمی‌گذارد.</string>
+  <string name="permission_hotspot_location_denied_body">شما دسترسی به مکان خود را رد کرده‌اید، در صورتی که Briar برای ایجاد Wi-Fi hotspot به این مجوز نیاز دارد.\n\n لطفا اجازه دسترسی را در نظر بگیرید.</string>
+  <string name="wifi_settings_title">تنظیمات Wi-Fi</string>
+  <string name="wifi_settings_request_enable_body">برای ایجاد Wi-Fi hotspot، Briar نیاز به استفاده از Wi-Fi دارد. لطفا آن را فعال کنید.</string>
   <string name="hotspot_tab_manual">دستی</string>
   <!--The placeholder to be inserted into the string 'hotspot_manual_wifi': People can connect by %s-->
+  <string name="hotspot_scanning_a_qr_code">کد QR را اسکن کنید</string>
   <!--Wi-Fi setup-->
   <!--The %s placeholder will be replaced with the translation of 'hotspot_scanning_a_qr_code'-->
+  <string name="hotspot_manual_wifi">تلفن شما Wi-Fi hotspot ارائه می‌کند. کسانی که قصد دانلود Briar را دارند، می‌توانند با افزودن hotspot در تنظیمات Wi-Fi دستگاه خود، به آن متصل شده و یا %s. هنگامی که به hotspot متصل شدند، دکمه «بعد» را بفشارند.</string>
+  <string name="hotspot_manual_wifi_ssid">نام شبکه</string>
+  <string name="hotspot_qr_wifi">تلفن شما Wi-Fi hotspot ارائه می‌کند. کسانی که قصد دانلود Briar را دارند، می‌توانند با اسکن این کد QR به hotspot متصل شوند. هنگامی که به hotspot متصل شدند، دکمه «بعد» را بفشارند.</string>
+  <string name="hotspot_no_peers_connected">هیچ دستگاهی متصل نیست</string>
+  <plurals name="hotspot_peers_connected">
+    <item quantity="one">%s دستگاه متصل است</item>
+    <item quantity="other">%s دستگاه متصل است</item>
+  </plurals>
   <!--Download link-->
   <!--The %s placeholder will be replaced with the translation of 'hotspot_scanning_a_qr_code'-->
+  <string name="hotspot_manual_site">تلفن شما Wi-Fi hotspot ارائه می‌کند. کسانی که به hotspot متصل هستند، می‌توانند Briar را با تایپ لینک زیر در مرورگر خود دانلود کنند و یا %s.</string>
+  <string name="hotspot_manual_site_address">آدرس (URL)</string>
+  <string name="hotspot_qr_site">تلفن شما Wi-Fi hotspot ارائه می‌کند. کسانی که به hotspot متصل هستند، می‌توانند Briar را با اسکن این کد QR دانلود کنند.</string>
   <!--e.g. Download Briar 1.2.20-->
+  <string name="website_download_title">دانلود %s</string>
+  <string name="website_download_intro">فردی در نزدیکی %s را با شما به اشتراک گذاشته است.</string>
+  <string name="website_download_outro">پس از تکمیل دانلود، فایل دانلود شده را باز کرده و نصب کنید.</string>
   <string name="website_troubleshooting_title">◾️ عیب یابی</string>
+  <string name="website_troubleshooting_1">اگر قادر به دانلود کردن برنامه نیستید، با مرورگر دیگری امتحان کنید.</string>
+  <string name="website_troubleshooting_2_old">برای نصب برنامه دانلود شده، باید اجازه نصب برنامه از «منابع ناشناخته» را در تنظیمات سیستم بدهید. سپس ممکن است نیاز به دانلود دوباره برنامه داشته باشید. ما توصیه می‌کنیم که پس از نصب این برنامه، اجازه «منابع ناشناخته» را لغو کنید.</string>
+  <string name="website_troubleshooting_2_new">برای نصب برنامه دانلود شده، ممکن است نیاز به ایجاد مجوز نصب برنامه‌های ناشناخته در مرورگر را داشته باشید. پس از نصب این برنامه، توصیه می‌کنیم مجوز نصب برنامه‌های ناشناخته را لغو کنید.</string>
+  <string name="hotspot_help_wifi_title">مشکلات اتصال به Wi-Fi:</string>
+  <string name="hotspot_help_wifi_1">Wi-Fi را در هر دو تلفن غیرفعال و دوباره فعال کنید.</string>
+  <string name="hotspot_help_wifi_2">اگر تلفن پیامی مبنی بر عدم دسترسی Wi-Fi به اینترنت داد، از گزینه مربوط به متصل ماندن استفاده کنید.</string>
+  <string name="hotspot_help_wifi_3">تلفنی که میزبان Wi-Fi hotspot است را دوباره راه‌اندازی کنید، سپس Briar را باز کرده و دوباره به اشتراک بگذارید.</string>
+  <string name="hotspot_help_site_title">مشکلات بازدید از وبسایت محلی:</string>
+  <string name="hotspot_help_site_1">مطمئن شوید که آدرسی که وارد می‌کنید، دقیقا آدرسی باشد که نمایش یافته. خطای کوچک منجر به ناموفق بودن پروسه خواهد شد.</string>
+  <string name="hotspot_help_site_2">مطمئن شوید هنگامی که قصد دسترسی به سایت را دارید، تلفن شما هنوز به Wi-Fi صحیح متصل باشد (بالا را ببینید).</string>
+  <string name="hotspot_help_site_3">اگر از برنامه فایروال استفاده می‌کنید، مطمئن باشید که دسترسی را مسدود نکرده است.</string>
+  <string name="hotspot_help_site_4">اگر می‌توانید سایت را باز کنید، ولی نمی‌توانید برنامه Briar را دانلود کنید، از یک مرورگر دیگر استفاده کنید.</string>
+  <string name="hotspot_help_fallback_title">هیچ چیز کار نمی‌کند؟</string>
+  <string name="hotspot_help_fallback_intro">شما می‌توانید با راه‌هایی، برنامه را به صورت فایل .apk ذخیره و به اشتراک بگذارید. هنگامی که فایل به دستگاه دیگری انتقال یافت، می‌تواند برای نصب Briar مورد استفاده قرار گیرد.
+		\n\nنکته: برای اشتراک‌گذاری از طریق بلوتوث، ممکن است نیاز به تغییر انتهای نام فایل به .zip داشته باشید.</string>
+  <string name="hotspot_help_fallback_button">ذخیره برنامه</string>
   <!--error handling-->
+  <string name="hotspot_error_intro">هنگام تلاش برای اشتراک‌گذاری برنامه از طریق Wi-Fi مشکلی رخ داد:</string>
+  <string name="hotspot_error_no_wifi_direct">دستگاه از Wi-Fi Direct پشتیبانی نمی‌کند</string>
+  <string name="hotspot_error_start_callback_failed">Hotspot قادر به راه‌اندازی نبود: خطای %s</string>
+  <string name="hotspot_error_start_callback_failed_unknown">Hotspot با خطایی ناشناخته قادر به راه‌اندازی نبود، علت %d</string>
+  <string name="hotspot_error_start_callback_no_group_info">Hotspot قادر به راه‌اندازی نبود: بدون اطلاعات گروه</string>
+  <string name="hotspot_error_web_server_start">خطا در راه‌اندازی سرور وب</string>
+  <string name="hotspot_error_web_server_serve">خطا در ارائه وبسایت.\n\n لطفا در صورت ادامه مشکل، بازخورد خود را (به همراه داده‌های ناشناس) به برنامه Briar ارسال کنید.</string>
+  <string name="hotspot_flag_test">هشدار: این برنامه با Android Studio نصب شده و قادر به نصب بر روی دستگاه دیگری نیست.</string>
+  <string name="hotspot_error_framework_busy">مشکل در راه‌اندازی hotspot.\n\n اگر hotspot دیگری در دستگاه شما فعال است و اینترنت شما را با اتصال Wi-Fi به اشتراک می‌گذارد، لطفا آن را متوقف کرده و دوباره امتحان کنید.</string>
   <!--Transfer Data via Removable Drives-->
+  <string name="removable_drive_menu_title">اتصال ار طریق حافظه قابل جابجایی</string>
+  <string name="removable_drive_intro">اگر از طریق اینترنت، Wi-Fi و یا بلوتوث قادر به ارتباط با مخاطب خود نیستید، Briar قادر به جابجایی پیام‌ها از طریق درایو قابل جابجایی مانند حافظه قلش و یا کارت SD است.</string>
+  <string name="removable_drive_explanation">اگر از طریق اینترنت، Wi-Fi و یا بلوتوث قادر به ارتباط با مخاطب خود نیستید، Briar قادر به جابجایی پیام‌ها از طریق درایو قابل جابجایی مانند حافظه قلش و یا کارت SD است.\n\nهنگامی که از گزینه «ارسال داده» استفاده می‌کنید، هر داده‌ای که منتظر ارسال به مخاطب شماست، بر روی حافظه قابل جابجایی ذخیره خواهد شد. این داده‌ها شامل پیام‌ها، ضمائم، بلاگ‌ها، تالار‌ها و گروه‌های خصوصی است.\n\nهمه داده‌ها قبل از ذخیره در حافظه قابل جابجایی، رمزگذاری خواهند شد.\n\nهنگامی که مخاطب شما حافظه قابل جابجایی را دریافت می‌کند، می‌تواند با استفاده از دکمه «دریافت داده» تمامی پیام‌ها را به Briar وارد کند.</string>
+  <string name="removable_drive_title_send">ارسال داده</string>
+  <string name="removable_drive_title_receive">دریافت داده</string>
+  <string name="removable_drive_send_intro">دکمه زیر را برای ایجاد فایل جدید حاوی پیام‌های رمزگذاری شده بفشارید. شما می‌توانید محل ذخیره فایل را تعیین کنید.\n\n اگر تمایل به ذخیره فایل بر روی حافظه قابل جابجایی دارید، آن را الآن متصل کنید.</string>
+  <string name="removable_drive_send_no_data">در حال حاظر هیچ پیامی در انتظار ارسال به مخاطب نیست.</string>
+  <string name="removable_drive_send_not_supported">این مخاطب از نسخه قدیمی Briar و یا از دستگاه قدیمی که این قابلیت را پشتیبانی نمی‌کند، استفاده می‌کند.</string>
+  <string name="removable_drive_send_button">فایل را برای گرفتن خروجی انتخاب کنید</string>
+  <string name="removable_drive_ongoing">لطفا تا تکمیل کار فعلی منتظر بمانید</string>
+  <string name="removable_drive_receive_intro">برای انتخاب فایلی که مخاطب شما ارسال کرده است، دکمه زیر را بفشارید.\n\nاگر فایل بر روی حافظه قابل جابجایی است، آن را الآن متصل کنید.</string>
+  <string name="removable_drive_receive_button">فایل را برای وارد کردن انتخاب کنید</string>
+  <string name="removable_drive_success_send_title">خروجی با موفقیت گرفته شد</string>
+  <string name="removable_drive_success_send_text">از داده‌ها با موفقیت خروجی گرفته شد. شما الآن ۲۸ روز تا انتقال فایل به مخاطب خود فرصت دارید.\n\nاگر فایل بر روی حافظه قابل جابجایی است، از پیام در نوار اعلانات برای خارج کردن آن استفاده کنید.</string>
   <string name="removable_drive_success_receive_title">درون برد موفق بود</string>
+  <string name="removable_drive_success_receive_text">تمامی پیام‌های رمزگذاری‌شده در این فایل دریافت شدند.</string>
+  <string name="removable_drive_error_send_title">خطا حین گرفتن خروجی از داده</string>
+  <string name="removable_drive_error_send_text">خطایی هنگام نوشتن داده‌ها در فایل رخ داد.\n\nاگر از حافظه قابل جابجایی استفاده می‌کنید، از اتصال صحیح آن مطمئن شوید.\n\nاگر خطا ادامه یافت، لطفا بازخورد خود را برای اطلاع تیم Briar از مشکل، به ما ارسال کنید.</string>
+  <string name="removable_drive_error_receive_title">خطا حین وارد کردن داده</string>
+  <string name="removable_drive_error_receive_text">فایل انتخاب شده چیز قابل شناسایی توسط Briar نداشت.\n\nلطفا از انتخاب فایل صحبح مطمئن شوید.\n\nاگر مخاطب شما فایل را بیش از ۲۸ روز قبل ساخته است، Briar قادر به شناسایی آن نخواهد بود.</string>
   <!--Screenshots-->
   <!--This is a name to be used in screenshots. Feel free to change it to a local name.-->
   <string name="screenshot_alice">آلیس</string>

briar-android/src/main/res/values-fr/strings.xml

@@ -41,6 +41,11 @@
   <string name="dialog_title_lost_password">Mot de passe oublié</string>
   <string name="dialog_message_lost_password">Votre compte Briar est enregistré chiffré sur votre appareil, pas dans le nuage, et nous ne pouvons donc pas réinitialiser votre mot de passe. Voulez-vous supprimer votre compte et recommencer ?\n\nAttention : vos identités, contacts et messages seront perdus irrémédiablement.</string>
   <string name="startup_failed_activity_title">Échec de démarrage de Briar</string>
+  <string name="startup_failed_clock_error">Briar n’a pas pu démarrer, car l’horloge de votre appareil n’est pas à l’heure.\n\nVeuillez mettre l’horloge de votre appareil à l’heure et réessayer.</string>
+  <string name="startup_failed_db_error">Briar n’a pas pu ouvrir la base de données qui comprend votre compte, vos contacts et messages.\n\nVeuillez mettre l’appli à jour vers la version la plus récente et réessayer, ou créer un nouveau compte en choisissant « J’ai oublié mon mot de passe » à l’invite de mot de passe.</string>
+  <string name="startup_failed_data_too_old_error">Votre compte a été créé avec une ancienne version de cette appli et ne peut pas être ouvert avec cette version.\n\nVous devez soit réinstaller l’ancienne version, soit créer un nouveau compte en choisissant « J’ai oublié mon mot de passe » à l’invite de mot de passe.</string>
+  <string name="startup_failed_data_too_new_error">Votre compte a été créé avec une version plus récente de cette appli et ne peut être ouvert avec cette version.\n\nVeuillez mettre l’appli à jour vers la version la plus récente et réessayer.</string>
+  <string name="startup_failed_service_error">Briar n\'a pas pu lancer un composant essentiel.\n\nVeuillez mettre l’appli à jour vers la version la plus récente et réessayer.</string>
   <plurals name="expiry_warning">
     <item quantity="one">Ceci est une version de test de Briar. Votre compte arrivera à expiration dans %d jour et ne peut pas être renouvelé.</item>
     <item quantity="other">Ceci est une version de test de Briar. Votre compte arrivera à expiration dans %d jours et ne pourra pas être renouvelé.</item>
@@ -311,9 +316,13 @@
   <!--Connect via Bluetooth-->
   <string name="menu_item_connect_via_bluetooth">Se connecter par Bluetooth</string>
   <string name="connect_via_bluetooth_title">Se connecter par Bluetooth</string>
-  <string name="connect_via_bluetooth_no_location_permission">Impossible de poursuivre sans la permission de position</string>
+  <string name="connect_via_bluetooth_intro">Au cas où les connexions Bluetooth ne fonctionneraient pas automatiquement, vous pouvez utiliser cet écran pour vous connecter manuellement.\n\nPour que cela fonctionne, votre contact doit être à proximité.\n\nVotre contact et vous devriez appuyer sur « Commencer » en même temps.</string>
+  <string name="connect_via_bluetooth_already_discovering">Une tentative de connexion par Bluetooth est en cours. Veuillez réessayer dans un moment.</string>
+  <string name="connect_via_bluetooth_no_location_permission">Impossible de poursuivre sans autoriser la position.</string>
   <string name="connect_via_bluetooth_start">Connexion par Bluetooth…</string>
-  <string name="connect_via_bluetooth_success">Connectée par Bluetooth avec succès</string>
+  <string name="connect_via_bluetooth_success">La connexion par Bluetooth est réussie</string>
+  <string name="connect_via_bluetooth_error">Impossible de se connecter par Bluetooth.</string>
+  <string name="connect_via_bluetooth_error_not_supported">Bluetooth n’est pas pris en charge par l’appareil.</string>
   <!--Private Groups-->
   <string name="groups_list_empty">Aucun groupe à afficher</string>
   <string name="groups_list_empty_action">Touchez l’icône + pour créer un groupe ou pour demander à vos contacts de partager des groupes avec vous</string>
@@ -584,6 +593,7 @@ copies des messages que vous envoyez.
   <string name="link_warning_open_link">Ouvrir le lien</string>
   <!--Crash Reporter-->
   <string name="crash_report_title">Rapport de plantage de Briar</string>
+  <string name="briar_crashed">Désolé, Briar a planté</string>
   <string name="not_your_fault">Vous n’y êtes pour rien.</string>
   <string name="please_send_report">Veuillez nous aider à améliorer Briar en nous envoyant un rapport de plantage.</string>
   <string name="report_is_encrypted">Nous promettons que le rapport est chiffré et envoyé en toute sécurité. </string>
@@ -642,10 +652,22 @@ copies des messages que vous envoyez.
   <!--Connections Screen-->
   <string name="transports_help_text">Briar peut se connecter à vos contacts par Internet, Wi-Fi ou Bluetooth.\n\nToutes les connections Internet passent par le réseau Tor afin de protéger les données.\n\nSi un contact peut être joint par plusieurs moyens, Briar les utilisera simultanément.</string>
   <!--Share app offline-->
+  <string name="hotspot_title">Partager cette appli hors ligne.</string>
+  <string name="hotspot_intro">Partagez cette appli avec une personne à proximité sans connexion Internet en utilisant le Wi-Fi de votre téléphone.
+		\n\nVotre téléphone démarrera un point d’accès Wi-Fi. Les personnes à proximité peuvent se connecter au point d’accès sans fil et télécharger l’appli Briar de votre téléphone.</string>
+  <string name="hotspot_button_start_sharing">Démarrer le point d’accès sans fil</string>
+  <string name="hotspot_button_stop_sharing">Arrêter le point d’accès sans fil</string>
+  <string name="hotspot_progress_text_start">Configuration du point d’accès sans fil…</string>
   <string name="hotspot_notification_channel_title">Point d’accès Wi-Fi</string>
+  <string name="hotspot_notification_title">Partage hors ligne de Briar</string>
   <string name="hotspot_button_connected">Suivant</string>
+  <string name="permission_hotspot_location_request_body">Pour créer un point d’accès Wi-Fi, Briar a besoin de l’autorisation Position.\n\nBriar ne stocke pas votre position et ne la partage avec personne.</string>
+  <string name="permission_hotspot_location_denied_body">Vous avez refusé l’accès à votre position, mais Briar en a besoin pour créer un point d’accès Wi-Fi.\n\nNous vous invitons à y accorder l’accès.</string>
+  <string name="wifi_settings_title">Paramètre Wi-Fi</string>
+  <string name="wifi_settings_request_enable_body">Pour créer un point d’accès Wi-Fi, Briar a besoin d’utiliser le Wi-Fi. Veuillez l’activer.</string>
   <string name="hotspot_tab_manual">Manuel</string>
   <!--The placeholder to be inserted into the string 'hotspot_manual_wifi': People can connect by %s-->
+  <string name="hotspot_scanning_a_qr_code">balayant un code QR</string>
   <!--Wi-Fi setup-->
   <!--The %s placeholder will be replaced with the translation of 'hotspot_scanning_a_qr_code'-->
   <!--Download link-->

briar-android/src/main/res/values-it/strings.xml

@@ -609,6 +609,7 @@
   <string name="dev_report_memory">Memoria</string>
   <string name="dev_report_storage">Spazio</string>
   <string name="dev_report_connectivity">Connettività</string>
+  <string name="dev_report_network_usage">Utilizzo della rete</string>
   <string name="dev_report_build_config">Configurazione build</string>
   <string name="dev_report_logcat">Registro app</string>
   <string name="dev_report_device_features">Caratteristiche dispositivo</string>

briar-android/src/main/res/values-ja/strings.xml

@@ -613,8 +613,6 @@
   <string name="transports_help_text">Briarは、インターネット、Wi-Fi、Bluetoothを介して連絡先に接続することができます。\n\nすべてのインターネット接続は、プライバシー保護のためにTorネットワークを経由します。\n\n複数の方法で連絡が取れる場合、Briarはそれらを並行して使用します。</string>
   <!--Share app offline-->
   <string name="hotspot_title">このアプリをオフラインで共有</string>
-  <string name="hotspot_intro">あなたの電話機のWi-Fiを使用して、インターネット接続なしで、近くの誰かとこのアプリを共有します。
-		\n\nあなたの電話機はWi-Fiホットスポットになります。近くの人はホットスポットへ接続し、あなたの電話機からBriarアプリをダウンロードできます。</string>
   <string name="hotspot_button_start_sharing">ホットスポットを開始</string>
   <string name="hotspot_button_stop_sharing">ホットスポットを停止</string>
   <string name="hotspot_progress_text_start">ホットスポットを設定する…</string>
@@ -652,7 +650,8 @@
   <string name="website_troubleshooting_2_new">ダウンロードしたアプリをインストールするには、ブラウザに不明なアプリのインストールを許可する必要がある場合があります。アプリをインストールした後は、ブラウザの不明なアプリのインストール許可を解除することをお勧めします。</string>
   <string name="hotspot_help_wifi_title">W-Fi接続の問題:</string>
   <string name="hotspot_help_wifi_1">双方の電話機でWi-Fiを無効にして、再び有効にするのを試してください。</string>
-  <string name="hotspot_help_wifi_2">もし携帯電話が「Wi-Fiにはインターネットがない」と不満を訴えてきたら、「とにかく接続していたい」と伝えてください。</string>
+  <string name="hotspot_help_wifi_2">もし電話機が「Wi-Fiにはインターネットがない」と不満を訴えてきたら、「とにかく接続していたい」と伝えてください。</string>
+  <string name="hotspot_help_wifi_3">Wi-Fiホットスポットが実行中の電話機を再起動して、Briarの起動と共有を再び試してください。</string>
   <string name="hotspot_help_site_title">ローカルのウェブサイト訪問の問題:</string>
   <string name="hotspot_help_site_1">表示されている通りにアドレスを入力したかどうかを再確認してください。小さなミスで失敗することがあります。</string>
   <string name="hotspot_help_site_2">サイトにアクセスする際に、電話機が正しいWi-Fi（上記を参照）に接続されていることを確認してください。</string>

briar-android/src/main/res/values-lt/strings.xml

@@ -635,6 +635,7 @@
   <string name="dev_report_memory">Atmintis</string>
   <string name="dev_report_storage">Saugykla</string>
   <string name="dev_report_connectivity">Jungiamumas</string>
+  <string name="dev_report_network_usage">Tinklo naudojimas</string>
   <string name="dev_report_build_config">Darinio konfigūracija</string>
   <string name="dev_report_logcat">Programėlės žurnalas</string>
   <string name="dev_report_device_features">Įrenginio ypatybės</string>

briar-android/src/main/res/values-ro/strings.xml

@@ -664,8 +664,8 @@ De asemenea, contactul dvs. poate modifica această setare pentru amândoi.</str
   <string name="transports_help_text">Briar se poate conecta la contactele dumneavoastră prin Internet, Wi-Fi sau Bluetooth.\n\nToate conexiunile la internet trec prin rețeaua Tor din motive de confidențialitate.\n\nDacă un contact poate fi accesat prin metode multiple, Briar le va folosi în mod paralel.</string>
   <!--Share app offline-->
   <string name="hotspot_title">Partajează această aplicație fără Internet</string>
-  <string name="hotspot_intro">Partajați această aplicație cu cineva din apropiere fără Internet folosind conexiunea Wi-Fi a dispozitivului.
-		\n\nDispozitivul dumneavoastră va porni un hotspot Wi-Fi. Persoanele din apropiere se pot conecta la hotspot și pot descărca aplicația Briar de pe dispozitivul dumneavoastră.</string>
+  <string name="hotspot_intro">Împărtășiți acest app cu o persoană din apropiere fără conexiune la internet, utilizând Wi-Fi-ul telefonului dumneavoastră.
+\n\nTelefonul dumneavoastră va porni un hotspot Wi-Fi. Persoanele din apropiere se pot conecta la hotspot și pot descărca aplicația Briar de pe telefonul vostru.</string>
   <string name="hotspot_button_start_sharing">Pornește hotspot</string>
   <string name="hotspot_button_stop_sharing">Oprește hotspot</string>
   <string name="hotspot_progress_text_start">Configurare hotspot...</string>

briar-android/src/main/res/values-ru/strings.xml

@@ -720,6 +720,7 @@
   <string name="hotspot_help_wifi_title">Проблемы с подключением к Wi-Fi:</string>
   <string name="hotspot_help_wifi_1">Попробуйте отключить и снова включить Wi-Fi на обоих телефонах и повторить попытку.</string>
   <string name="hotspot_help_wifi_2">Если ваш телефон сообщит, что в сети Wi-Fi нет доступа к интернету, подтвердите, что вы все равно хотите подключиться к этой сети.</string>
+  <string name="hotspot_help_wifi_3">Перезагрузите телефон, на котором работает точка доступа Wi-Fi, затем запустите Briar и повторите попытку обмена.</string>
   <string name="hotspot_help_site_title">Проблемы с доступом к локальному веб-сайту:</string>
   <string name="hotspot_help_site_1">Дважды убедитесь, что вы ввели адрес точно так, как показано. Небольшая ошибка может привести к сбою.</string>
   <string name="hotspot_help_site_2">Убедитесь, что ваш телефон все еще подключен к правильной сети Wi-Fi (см. выше), прежде чем попытаться зайти на этот сайт.</string>

briar-android/src/main/res/values-sq/strings.xml

@@ -610,6 +610,7 @@ Këtë rregullim mund ta ndryshojë edhe kontakti juaj, për të dy ju.</string>
   <string name="dev_report_memory">Kujtesë</string>
   <string name="dev_report_storage">Depozitim</string>
   <string name="dev_report_connectivity">Aftësi lidhjeje</string>
+  <string name="dev_report_network_usage">Përdorim rrjeti</string>
   <string name="dev_report_build_config">Formësim montimi</string>
   <string name="dev_report_logcat">Regjistër aplikacioni</string>
   <string name="dev_report_device_features">Veçori Pajisjeje</string>

briar-android/src/main/res/values-tr/strings.xml

@@ -609,6 +609,7 @@
   <string name="dev_report_memory">Bellek</string>
   <string name="dev_report_storage">Depo</string>
   <string name="dev_report_connectivity">Bağlanabilirlik</string>
+  <string name="dev_report_network_usage">Ağ Kullanımı</string>
   <string name="dev_report_build_config">Derleme yapılandırması</string>
   <string name="dev_report_logcat">Uygulama günlüğü</string>
   <string name="dev_report_device_features">Aygıt Seçenekleri</string>
@@ -692,6 +693,7 @@
   <string name="hotspot_help_wifi_title">Kablosuz ağa bağlanma sorunları:</string>
   <string name="hotspot_help_wifi_1">Her iki telefonda da kablosuz ağı devre dışı bırakıp tekrar etkinleştirin ve yeniden deneyin.</string>
   <string name="hotspot_help_wifi_2">Eğer telefonunuz kablosuz ağda İnternet olmadığını söylüyorsa yine de bağlı kalmasını söyleyin.</string>
+  <string name="hotspot_help_wifi_3">Wi-Fi bağlantı noktasını sağlayan telefonu yeniden başlatın, daha sonra Briar\'ı başlatın ve paylaşmayı yeniden deneyin.</string>
   <string name="hotspot_help_site_title">Yerel web sitesini ziyaret etme sorunları:</string>
   <string name="hotspot_help_site_1">Adresi tam gösterildiği şekilde girdiğinizden emin olun. Çok küçük bir hata sorun olabilir.</string>
   <string name="hotspot_help_site_2">Siteye erişmeye çalışırken telefonunuzun doğru kablosuz ağa bağlı olduğundan emin olun (Bkz. önceki kısım).</string>

briar-android/src/main/res/values-zh-rCN/strings.xml

@@ -28,8 +28,8 @@
   <string name="setup_xiaomi_text">要在后台运行，需将 Briar 锁定在最近的应用列表中。</string>
   <string name="setup_xiaomi_button">保护 Briar</string>
   <string name="setup_xiaomi_help">如果未将 Briar 锁定到最近的应用列表，它将无法在后台运行。</string>
-  <string name="setup_xiaomi_dialog_body_old">1. 打开最近的应用列表(也称为应用切换器)\n\n2. 向下滑动Briar的图像，显示挂锁图标\n\n3.如果挂锁没有被锁上，轻敲以锁定它</string>
-  <string name="setup_xiaomi_dialog_body_new">1. 打开最近的应用列表(也称为应用切换器)\n\n2.  按住Briar的图像，直到挂锁按钮出现\n\n3. 如果挂锁没有被锁上，轻敲以锁定它</string>
+  <string name="setup_xiaomi_dialog_body_old">1. 打开最近的应用列表(也称为应用切换器)\n\n2. 向下滑动 Briar 的图像，显示挂锁图标\n\n3.如果挂锁没有被锁上，轻按锁定它</string>
+  <string name="setup_xiaomi_dialog_body_new">1. 打开最近的应用列表(也称为应用切换器)\n\n2.  按住 Briar 的图像，直到挂锁按钮出现\n\n3. 如果挂锁没有被锁上，轻按锁定它</string>
   <string name="warning_dozed">%s 无法在后台运行</string>
   <!--Login-->
   <string name="enter_password">密码</string>
@@ -170,7 +170,7 @@
     <item quantity="other">%d分钟</item>
   </plurals>
   <plurals name="duration_hours">
-    <item quantity="other">%d小时消</item>
+    <item quantity="other">%d小时</item>
   </plurals>
   <plurals name="duration_days">
     <item quantity="other">%d天</item>
@@ -596,6 +596,7 @@
   <string name="dev_report_memory">内存</string>
   <string name="dev_report_storage">存储</string>
   <string name="dev_report_connectivity">连通性</string>
+  <string name="dev_report_network_usage">网络使用</string>
   <string name="dev_report_build_config">编译配置</string>
   <string name="dev_report_logcat">应用程序日志</string>
   <string name="dev_report_device_features">设备特性</string>
@@ -638,8 +639,8 @@
   <string name="transports_help_text">Briar 可以通过互联网、Wi-Fi 或蓝牙来连接到您的联系人。\n\n为了保护隐私，本应用会通过 Tor 网络进行所有的互联网连接。\n\n如果一个联系人可以通过多种方法联系到，Briar 会并行地使用它们。</string>
   <!--Share app offline-->
   <string name="hotspot_title">离线分享此应用</string>
-  <string name="hotspot_intro">使用手机的Wi-Fi与附近没有网络的人分享这款应用。
-		\n\n你的手机会启动一个 Wi-Fi 热点。附近的人可以连接热点，从你的手机下载 Briar 应用。</string>
+  <string name="hotspot_intro">使用手机的 Wi-Fi 与附近没有网络的人分享这款应用。
+		\n\n你的手机将启动一个 Wi-Fi 热点。附近的人可以连接至这个热点，从你的手机下载 Briar 应用。</string>
   <string name="hotspot_button_start_sharing">启动热点</string>
   <string name="hotspot_button_stop_sharing">停止热点</string>
   <string name="hotspot_progress_text_start">设置热点中…</string>

briar-android/src/main/res/values/strings.xml

@@ -297,7 +297,7 @@
 	<string name="duplicate_link_dialog_text_1">You already have a pending contact with this link: %s</string>
 	<string name="duplicate_link_dialog_text_1_contact">You already have a contact with this link: %s</string>
 	<!-- This is a question asking whether two nicknames refer to the same person -->
-	<string name="duplicate_link_dialog_text_2">Are %s and %s the same person?</string>
+	<string name="duplicate_link_dialog_text_2">Are %1$s and %2$s the same person?</string>
 	<!-- This is a button for answering that two nicknames do indeed refer to the same person. This
 	string will be used in a dialog button, so if the translation of this string is longer than 20
 	characters, please use "Yes" instead, and use "No" for the "Different Person" button -->
@@ -306,7 +306,7 @@
 	will be used in a dialog button, so if the translation of this string longer than 20 characters,
 	please use "No" instead, and use "Yes" for the "Same Person" button -->
 	<string name="different_person_button">Different Person</string>
-	<string name="duplicate_link_dialog_text_3">%s and %s sent you the same link.\n\nOne of them may be trying to discover who your contacts are.\n\nDon\'t tell them you received the same link from someone else.</string>
+	<string name="duplicate_link_dialog_text_3">%1$s and %2$s sent you the same link.\n\nOne of them may be trying to discover who your contacts are.\n\nDon\'t tell them you received the same link from someone else.</string>
 	<string name="pending_contact_updated_toast">Pending contact updated</string>
 
 	<!-- Introductions -->
@@ -649,6 +649,7 @@
 	<string name="dev_report_memory">Memory</string>
 	<string name="dev_report_storage">Storage</string>
 	<string name="dev_report_connectivity">Connectivity</string>
+	<string name="dev_report_network_usage">Network usage</string>
 	<string name="dev_report_build_config">Build configuration</string>
 	<string name="dev_report_logcat">App log</string>
 	<string name="dev_report_device_features">Device Features</string>