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Author SHA1 Message Date
akwizgran
0e51ddb767 Bumped expiry date to 1 May 2017. 2017-02-27 09:29:24 +00:00
1474 changed files with 43590 additions and 77225 deletions

11
.gitignore vendored
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@@ -9,20 +9,17 @@ Thumbs.db
.DS_Store
# Eclipse project files
.classpath
.project
.settings
#.classpath
#.project
# Local configuration file (sdk path, etc)
local.properties
# Android Studio
.idea/*
!.idea/runConfigurations/
!.idea/codeStyleSettings.xml
!.idea/codeStyles
.gradle
build/
captures
*.iml
projectFilesBackup/
.gitignore
src/test/

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@@ -1,27 +0,0 @@
image: briar/ci-image-android:latest
test:
before_script:
- set -e
- export GRADLE_USER_HOME=$PWD/.gradle
cache:
paths:
- .gradle/wrapper
- .gradle/caches
script:
- ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom animalSnifferMain animalSnifferTest
- ./gradlew --no-daemon -Djava.security.egd=file:/dev/urandom test
after_script:
# these file change every time but should not be cached
- rm -f $GRADLE_USER_HOME/caches/modules-2/modules-2.lock
- rm -fr $GRADLE_USER_HOME/caches/*/plugin-resolution/
test_reproducible:
script:
- "curl -X POST -F token=${RELEASE_CHECK_TOKEN} -F ref=master -F variables[RELEASE_TAG]=${CI_COMMIT_REF_NAME} https://code.briarproject.org/api/v4/projects/61/trigger/pipeline"
only:
- tags

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@@ -1,245 +0,0 @@
<component name="ProjectCodeStyleConfiguration">
<code_scheme name="Project" version="173">
<option name="RIGHT_MARGIN" value="100" />
<AndroidXmlCodeStyleSettings>
<option name="USE_CUSTOM_SETTINGS" value="true" />
</AndroidXmlCodeStyleSettings>
<JavaCodeStyleSettings>
<option name="ANNOTATION_PARAMETER_WRAP" value="1" />
<option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
<option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
<option name="PACKAGES_TO_USE_IMPORT_ON_DEMAND">
<value />
</option>
<option name="IMPORT_LAYOUT_TABLE">
<value>
<package name="android" withSubpackages="true" static="false" />
<emptyLine />
<package name="com" withSubpackages="true" static="false" />
<emptyLine />
<package name="junit" withSubpackages="true" static="false" />
<emptyLine />
<package name="net" withSubpackages="true" static="false" />
<emptyLine />
<package name="org" withSubpackages="true" static="false" />
<emptyLine />
<package name="java" withSubpackages="true" static="false" />
<emptyLine />
<package name="javax" withSubpackages="true" static="false" />
<emptyLine />
<package name="" withSubpackages="true" static="false" />
<emptyLine />
<package name="" withSubpackages="true" static="true" />
<emptyLine />
</value>
</option>
<option name="JD_ALIGN_PARAM_COMMENTS" value="false" />
<option name="JD_ALIGN_EXCEPTION_COMMENTS" value="false" />
</JavaCodeStyleSettings>
<JetCodeStyleSettings>
<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
</JetCodeStyleSettings>
<XML>
<option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
</XML>
<codeStyleSettings language="Groovy">
<indentOptions>
<option name="USE_TAB_CHARACTER" value="true" />
<option name="SMART_TABS" value="true" />
</indentOptions>
</codeStyleSettings>
<codeStyleSettings language="JAVA">
<option name="RIGHT_MARGIN" value="80" />
<option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
<option name="ALIGN_MULTILINE_RESOURCES" value="false" />
<option name="ALIGN_MULTILINE_FOR" value="false" />
<option name="SPACE_BEFORE_ARRAY_INITIALIZER_LBRACE" value="true" />
<option name="CALL_PARAMETERS_WRAP" value="1" />
<option name="METHOD_PARAMETERS_WRAP" value="1" />
<option name="RESOURCE_LIST_WRAP" value="1" />
<option name="EXTENDS_LIST_WRAP" value="1" />
<option name="THROWS_LIST_WRAP" value="1" />
<option name="EXTENDS_KEYWORD_WRAP" value="1" />
<option name="THROWS_KEYWORD_WRAP" value="1" />
<option name="METHOD_CALL_CHAIN_WRAP" value="1" />
<option name="BINARY_OPERATION_WRAP" value="1" />
<option name="TERNARY_OPERATION_WRAP" value="1" />
<option name="FOR_STATEMENT_WRAP" value="1" />
<option name="ARRAY_INITIALIZER_WRAP" value="1" />
<option name="ASSIGNMENT_WRAP" value="1" />
<option name="ASSERT_STATEMENT_WRAP" value="1" />
<option name="PARAMETER_ANNOTATION_WRAP" value="1" />
<option name="VARIABLE_ANNOTATION_WRAP" value="1" />
<option name="ENUM_CONSTANTS_WRAP" value="1" />
<indentOptions>
<option name="USE_TAB_CHARACTER" value="true" />
<option name="SMART_TABS" value="true" />
</indentOptions>
</codeStyleSettings>
<codeStyleSettings language="XML">
<option name="FORCE_REARRANGE_MODE" value="1" />
<indentOptions>
<option name="CONTINUATION_INDENT_SIZE" value="4" />
<option name="USE_TAB_CHARACTER" value="true" />
<option name="SMART_TABS" value="true" />
</indentOptions>
<arrangement>
<rules>
<section>
<rule>
<match>
<AND>
<NAME>xmlns:android</NAME>
<XML_NAMESPACE>Namespace:</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>xmlns:.*</NAME>
<XML_NAMESPACE>Namespace:</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:id</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:name</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>name</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>style</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_NAMESPACE>^$</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:layout_width</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:layout_height</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:layout_.*</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:width</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*:height</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_NAMESPACE>http://schemas.android.com/apk/res/android</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
<section>
<rule>
<match>
<AND>
<NAME>.*</NAME>
<XML_NAMESPACE>.*</XML_NAMESPACE>
</AND>
</match>
<order>BY_NAME</order>
</rule>
</section>
</rules>
</arrangement>
</codeStyleSettings>
<codeStyleSettings language="kotlin">
<option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
<option name="PARAMETER_ANNOTATION_WRAP" value="1" />
<option name="VARIABLE_ANNOTATION_WRAP" value="1" />
<option name="ENUM_CONSTANTS_WRAP" value="1" />
</codeStyleSettings>
</code_scheme>
</component>

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@@ -1,5 +0,0 @@
<component name="ProjectCodeStyleConfiguration">
<state>
<option name="USE_PER_PROJECT_SETTINGS" value="true" />
</state>
</component>

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@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All in briar-headless" type="AndroidJUnit" factoryName="Android JUnit" nameIsGenerated="true">
<module name="briar-headless" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="org.briarproject.briar.headless" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-headless" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,30 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All tests" type="AndroidJUnit" factoryName="Android JUnit">
<extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
<module name="briar-android" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-android" />
<option name="ENV_VARIABLES" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<envs />
<patterns />
<method>
<option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-api" run_configuration_type="AndroidJUnit" />
<option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-core" run_configuration_type="AndroidJUnit" />
<option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-android" run_configuration_type="AndroidJUnit" />
<option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in bramble-java" run_configuration_type="AndroidJUnit" />
<option name="RunConfigurationTask" enabled="true" run_configuration_name="All tests in briar-core" run_configuration_type="AndroidJUnit" />
<option name="RunConfigurationTask" enabled="true" run_configuration_name="All in briar-headless" run_configuration_type="AndroidJUnit" />
</method>
</configuration>
</component>

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@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All tests in bramble-android" type="AndroidJUnit" factoryName="Android JUnit">
<module name="bramble-android" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-android" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All tests in bramble-api" type="AndroidJUnit" factoryName="Android JUnit">
<module name="bramble-api" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-api" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All tests in bramble-core" type="AndroidJUnit" factoryName="Android JUnit">
<module name="bramble-core" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-core" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All tests in bramble-java" type="AndroidJUnit" factoryName="Android JUnit">
<module name="bramble-java" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="-ea -Djava.library.path=libs" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/bramble-java" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All tests in briar-android" type="AndroidJUnit" factoryName="Android JUnit">
<module name="briar-android" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-android" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="All tests in briar-core" type="AndroidJUnit" factoryName="Android JUnit">
<module name="briar-core" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="" />
<option name="MAIN_CLASS_NAME" value="" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="package" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$/briar-core" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="H2 Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
<module name="bramble-core" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="org.briarproject.bramble.db" />
<option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.db.H2DatabasePerformanceTest" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="class" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,20 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="HyperSQL Performance Test" type="AndroidJUnit" factoryName="Android JUnit">
<module name="bramble-core" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PACKAGE_NAME" value="org.briarproject.bramble.db" />
<option name="MAIN_CLASS_NAME" value="org.briarproject.bramble.db.HyperSqlDatabasePerformanceTest" />
<option name="METHOD_NAME" value="" />
<option name="TEST_OBJECT" value="class" />
<option name="VM_PARAMETERS" value="-ea" />
<option name="PARAMETERS" value="" />
<option name="WORKING_DIRECTORY" value="" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="TEST_SEARCH_SCOPE">
<value defaultName="singleModule" />
</option>
<patterns />
<method />
</configuration>
</component>

View File

@@ -1,17 +0,0 @@
<component name="ProjectRunConfigurationManager">
<configuration default="false" name="briar-headless" type="JetRunConfigurationType" factoryName="Kotlin" singleton="true">
<extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
<option name="VM_PARAMETERS" value="" />
<option name="PROGRAM_PARAMETERS" value="-v" />
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
<option name="ALTERNATIVE_JRE_PATH" />
<option name="PASS_PARENT_ENVS" value="true" />
<option name="MAIN_CLASS_NAME" value="org.briarproject.briar.headless.MainKt" />
<option name="WORKING_DIRECTORY" value="" />
<module name="briar-headless" />
<envs />
<method>
<option name="Gradle.BeforeRunTask" enabled="true" tasks="jar" externalProjectPath="$PROJECT_DIR$/briar-headless" vmOptions="" scriptParameters="" />
</method>
</configuration>
</component>

View File

@@ -1,70 +1,104 @@
import com.android.build.gradle.tasks.MergeResources
import de.undercouch.gradle.tasks.download.Download
import de.undercouch.gradle.tasks.download.Verify
apply plugin: 'com.android.library'
apply plugin: 'witness'
apply from: 'witness.gradle'
apply plugin: 'de.undercouch.download'
android {
compileSdkVersion 28
buildToolsVersion '28.0.3'
compileSdkVersion 23
buildToolsVersion "23.0.3"
defaultConfig {
minSdkVersion 14
targetSdkVersion 26
versionCode 10106
versionName "1.1.6"
targetSdkVersion 22
versionCode 1
versionName "1.0"
consumerProguardFiles 'proguard-rules.txt'
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
sourceCompatibility JavaVersion.VERSION_1_7
targetCompatibility JavaVersion.VERSION_1_7
}
}
configurations {
tor
}
dependencies {
implementation project(path: ':bramble-core', configuration: 'default')
tor 'org.briarproject:tor-android:0.3.5.8@zip'
tor 'org.briarproject:obfs4proxy-android:0.0.9@zip'
annotationProcessor 'com.google.dagger:dagger-compiler:2.19'
compileOnly 'javax.annotation:jsr250-api:1.0'
testImplementation project(path: ':bramble-api', configuration: 'testOutput')
testImplementation 'junit:junit:4.12'
testImplementation "org.jmock:jmock:2.8.2"
testImplementation "org.jmock:jmock-junit4:2.8.2"
testImplementation "org.jmock:jmock-legacy:2.8.2"
compile project(':bramble-core')
compile fileTree(dir: 'libs', include: ['*.jar'])
provided 'javax.annotation:jsr250-api:1.0'
}
def torBinariesDir = 'src/main/res/raw'
def torBinaryDir = 'src/main/res/raw'
task cleanTorBinaries {
doLast {
delete fileTree(torBinariesDir) { include '*.zip' }
task downloadTorGeoIp(type: Download) {
src 'https://briarproject.org/build/geoip-2015-12-01.zip'
dest "$torBinaryDir/geoip.zip"
onlyIfNewer true
}
task downloadTorBinaryArm(type: Download) {
src 'https://briarproject.org/build/tor-0.2.7.6-arm.zip'
dest "$torBinaryDir/tor_arm.zip"
onlyIfNewer true
}
task downloadTorBinaryArmPie(type: Download) {
src 'https://briarproject.org/build/tor-0.2.7.6-arm-pie.zip'
dest "$torBinaryDir/tor_arm_pie.zip"
onlyIfNewer true
}
task downloadTorBinaryX86(type: Download) {
src 'https://briarproject.org/build/tor-0.2.7.6-x86.zip'
dest "$torBinaryDir/tor_x86.zip"
onlyIfNewer true
}
task downloadTorBinaryX86Pie(type: Download) {
src 'https://briarproject.org/build/tor-0.2.7.6-x86-pie.zip'
dest "$torBinaryDir/tor_x86_pie.zip"
onlyIfNewer true
}
task verifyTorGeoIp(type: Verify, dependsOn: 'downloadTorGeoIp') {
src "$torBinaryDir/geoip.zip"
algorithm 'SHA-256'
checksum '9bcdaf0a7ba0933735328d8ec466c25c25dbb459efc2bce9e55c774eabea5162'
}
task verifyTorBinaryArm(type: Verify, dependsOn: 'downloadTorBinaryArm') {
src "$torBinaryDir/tor_arm.zip"
algorithm 'SHA-256'
checksum '83272962eda701cd5d74d2418651c4ff0f0b1dff51f558a292d1a1c42bf12146'
}
task verifyTorBinaryArmPie(type: Verify, dependsOn: 'downloadTorBinaryArmPie') {
src "$torBinaryDir/tor_arm_pie.zip"
algorithm 'SHA-256'
checksum 'd0300d1e45de11ebb24ed62b9c492be9c2e88590b7822195ab38c7a76ffcf646'
}
task verifyTorBinaryX86(type: Verify, dependsOn: 'downloadTorBinaryX86') {
src "$torBinaryDir/tor_x86.zip"
algorithm 'SHA-256'
checksum 'b8813d97b01ee1b9c9a4233c1b9bbe9f9f6b494ae6f9cbd84de8a3911911615e'
}
task verifyTorBinaryX86Pie(type: Verify, dependsOn: 'downloadTorBinaryX86Pie') {
src "$torBinaryDir/tor_x86_pie.zip"
algorithm 'SHA-256'
checksum '9c66e765aa196dc089951a1b2140cc8290305c2fcbf365121f99e01a233baf4e'
}
project.afterEvaluate {
preBuild.dependsOn {
[
'verifyTorGeoIp',
'verifyTorBinaryArm',
'verifyTorBinaryArmPie',
'verifyTorBinaryX86',
'verifyTorBinaryX86Pie'
]
}
}
clean.dependsOn cleanTorBinaries
task unpackTorBinaries {
doLast {
copy {
from configurations.tor.collect { zipTree(it) }
into torBinariesDir
}
}
dependsOn cleanTorBinaries
}
tasks.withType(MergeResources) {
inputs.dir torBinariesDir
dependsOn unpackTorBinaries
}

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View File

@@ -8,10 +8,6 @@
-dontwarn dagger.**
-dontnote dagger.**
-keep class net.i2p.crypto.eddsa.** { *; }
-keep class org.whispersystems.curve25519.** { *; }
-dontwarn sun.misc.Unsafe
-dontnote com.google.common.**

View File

@@ -2,14 +2,17 @@
package="org.briarproject.bramble"
xmlns:android="http://schemas.android.com/apk/res/android">
<uses-feature android:name="android.hardware.bluetooth" android:required="false"/>
<uses-feature android:name="android.hardware.bluetooth"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.READ_LOGS"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<!-- Since API 23, this is needed to add contacts via Bluetooth -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<application
android:allowBackup="false"

View File

@@ -1,11 +0,0 @@
package org.briarproject.bramble;
import org.briarproject.bramble.battery.AndroidBatteryModule;
import org.briarproject.bramble.network.AndroidNetworkModule;
public interface BrambleAndroidEagerSingletons {
void inject(AndroidBatteryModule.EagerSingletons init);
void inject(AndroidNetworkModule.EagerSingletons init);
}

View File

@@ -1,22 +1,13 @@
package org.briarproject.bramble;
import org.briarproject.bramble.battery.AndroidBatteryModule;
import org.briarproject.bramble.network.AndroidNetworkModule;
import org.briarproject.bramble.plugin.tor.CircumventionModule;
import org.briarproject.bramble.plugin.AndroidPluginModule;
import org.briarproject.bramble.system.AndroidSystemModule;
import dagger.Module;
@Module(includes = {
AndroidBatteryModule.class,
AndroidNetworkModule.class,
AndroidSystemModule.class,
CircumventionModule.class
AndroidPluginModule.class,
AndroidSystemModule.class
})
public class BrambleAndroidModule {
public static void initEagerSingletons(BrambleAndroidEagerSingletons c) {
c.inject(new AndroidBatteryModule.EagerSingletons());
c.inject(new AndroidNetworkModule.EagerSingletons());
}
}

View File

@@ -1,134 +0,0 @@
package org.briarproject.bramble.account;
import android.app.Application;
import android.content.Context;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import org.briarproject.bramble.api.account.AccountManager;
import org.briarproject.bramble.api.crypto.CryptoComponent;
import org.briarproject.bramble.api.db.DatabaseConfig;
import org.briarproject.bramble.api.identity.IdentityManager;
import org.briarproject.bramble.util.IoUtils;
import java.io.File;
import java.util.HashSet;
import java.util.Set;
import java.util.logging.Logger;
import javax.annotation.Nullable;
import javax.inject.Inject;
import static android.os.Build.VERSION.SDK_INT;
class AndroidAccountManager extends AccountManagerImpl
implements AccountManager {
private static final Logger LOG =
Logger.getLogger(AndroidAccountManager.class.getName());
private static final String PREF_DB_KEY = "key";
protected final Context appContext;
private final SharedPreferences prefs;
@Inject
AndroidAccountManager(DatabaseConfig databaseConfig,
CryptoComponent crypto, IdentityManager identityManager,
SharedPreferences prefs, Application app) {
super(databaseConfig, crypto, identityManager);
this.prefs = prefs;
appContext = app.getApplicationContext();
}
// Locking: stateChangeLock
@Override
@Nullable
protected String loadEncryptedDatabaseKey() {
String key = getDatabaseKeyFromPreferences();
if (key == null) key = super.loadEncryptedDatabaseKey();
else migrateDatabaseKeyToFile(key);
return key;
}
// Locking: stateChangeLock
@Nullable
private String getDatabaseKeyFromPreferences() {
String key = prefs.getString(PREF_DB_KEY, null);
if (key == null) LOG.info("No database key in preferences");
else LOG.info("Found database key in preferences");
return key;
}
// Locking: stateChangeLock
private void migrateDatabaseKeyToFile(String key) {
if (storeEncryptedDatabaseKey(key)) {
if (prefs.edit().remove(PREF_DB_KEY).commit())
LOG.info("Database key migrated to file");
else LOG.warning("Database key not removed from preferences");
} else {
LOG.warning("Database key not migrated to file");
}
}
@Override
public void deleteAccount() {
synchronized (stateChangeLock) {
super.deleteAccount();
SharedPreferences defaultPrefs = getDefaultSharedPreferences();
deleteAppData(prefs, defaultPrefs);
}
}
// Package access for testing
SharedPreferences getDefaultSharedPreferences() {
return PreferenceManager.getDefaultSharedPreferences(appContext);
}
// Locking: stateChangeLock
private void deleteAppData(SharedPreferences... clear) {
// Clear and commit shared preferences
for (SharedPreferences prefs : clear) {
if (!prefs.edit().clear().commit())
LOG.warning("Could not clear shared preferences");
}
// Delete files, except lib and shared_prefs directories
Set<File> files = new HashSet<>();
File dataDir = new File(appContext.getApplicationInfo().dataDir);
@Nullable
File[] fileArray = dataDir.listFiles();
if (fileArray == null) {
LOG.warning("Could not list files in app data dir");
} else {
for (File file : fileArray) {
String name = file.getName();
if (!name.equals("lib") && !name.equals("shared_prefs")) {
files.add(file);
}
}
}
files.add(appContext.getFilesDir());
files.add(appContext.getCacheDir());
addIfNotNull(files, appContext.getExternalCacheDir());
if (SDK_INT >= 19) {
for (File file : appContext.getExternalCacheDirs()) {
addIfNotNull(files, file);
}
}
if (SDK_INT >= 21) {
for (File file : appContext.getExternalMediaDirs()) {
addIfNotNull(files, file);
}
}
for (File file : files) {
IoUtils.deleteFileOrDir(file);
}
// Recreate the cache dir as some OpenGL drivers expect it to exist
if (!new File(dataDir, "cache").mkdirs())
LOG.warning("Could not recreate cache dir");
}
private void addIfNotNull(Set<File> files, @Nullable File file) {
if (file != null) files.add(file);
}
}

View File

@@ -1,81 +0,0 @@
package org.briarproject.bramble.battery;
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.battery.event.BatteryEvent;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.lifecycle.Service;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Logger;
import javax.inject.Inject;
import static android.content.Intent.ACTION_BATTERY_CHANGED;
import static android.content.Intent.ACTION_POWER_CONNECTED;
import static android.content.Intent.ACTION_POWER_DISCONNECTED;
import static android.os.BatteryManager.EXTRA_PLUGGED;
import static java.util.logging.Level.INFO;
import static java.util.logging.Logger.getLogger;
class AndroidBatteryManager implements BatteryManager, Service {
private static final Logger LOG =
getLogger(AndroidBatteryManager.class.getName());
private final Context appContext;
private final EventBus eventBus;
private final AtomicBoolean used = new AtomicBoolean(false);
private volatile BroadcastReceiver batteryReceiver = null;
@Inject
AndroidBatteryManager(Application app, EventBus eventBus) {
this.appContext = app.getApplicationContext();
this.eventBus = eventBus;
}
@Override
public boolean isCharging() {
// Get the sticky intent for ACTION_BATTERY_CHANGED
IntentFilter filter = new IntentFilter(ACTION_BATTERY_CHANGED);
Intent i = appContext.registerReceiver(null, filter);
if (i == null) return false;
int status = i.getIntExtra(EXTRA_PLUGGED, 0);
return status != 0;
}
@Override
public void startService() {
if (used.getAndSet(true)) throw new IllegalStateException();
batteryReceiver = new BatteryReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_POWER_CONNECTED);
filter.addAction(ACTION_POWER_DISCONNECTED);
appContext.registerReceiver(batteryReceiver, filter);
}
@Override
public void stopService() {
if (batteryReceiver != null)
appContext.unregisterReceiver(batteryReceiver);
}
private class BatteryReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context ctx, Intent i) {
String action = i.getAction();
if (LOG.isLoggable(INFO)) LOG.info("Received broadcast " + action);
if (ACTION_POWER_CONNECTED.equals(action))
eventBus.broadcast(new BatteryEvent(true));
else if (ACTION_POWER_DISCONNECTED.equals(action))
eventBus.broadcast(new BatteryEvent(false));
}
}
}

View File

@@ -1,27 +0,0 @@
package org.briarproject.bramble.battery;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.lifecycle.LifecycleManager;
import javax.inject.Inject;
import javax.inject.Singleton;
import dagger.Module;
import dagger.Provides;
@Module
public class AndroidBatteryModule {
public static class EagerSingletons {
@Inject
BatteryManager batteryManager;
}
@Provides
@Singleton
BatteryManager provideBatteryManager(LifecycleManager lifecycleManager,
AndroidBatteryManager batteryManager) {
lifecycleManager.registerService(batteryManager);
return batteryManager;
}
}

View File

@@ -1,142 +0,0 @@
package org.briarproject.bramble.network;
import android.app.Application;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.lifecycle.Service;
import org.briarproject.bramble.api.network.NetworkManager;
import org.briarproject.bramble.api.network.NetworkStatus;
import org.briarproject.bramble.api.network.event.NetworkStatusEvent;
import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
import org.briarproject.bramble.api.system.Scheduler;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
import java.util.logging.Logger;
import javax.annotation.Nullable;
import javax.inject.Inject;
import static android.content.Context.CONNECTIVITY_SERVICE;
import static android.content.Intent.ACTION_SCREEN_OFF;
import static android.content.Intent.ACTION_SCREEN_ON;
import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.os.Build.VERSION.SDK_INT;
import static android.os.PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED;
import static java.util.concurrent.TimeUnit.MINUTES;
import static java.util.concurrent.TimeUnit.SECONDS;
import static java.util.logging.Level.INFO;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
class AndroidNetworkManager implements NetworkManager, Service {
private static final Logger LOG =
Logger.getLogger(AndroidNetworkManager.class.getName());
// See android.net.wifi.WifiManager
private static final String WIFI_AP_STATE_CHANGED_ACTION =
"android.net.wifi.WIFI_AP_STATE_CHANGED";
private final ScheduledExecutorService scheduler;
private final EventBus eventBus;
private final Context appContext;
private final AtomicReference<Future<?>> connectivityCheck =
new AtomicReference<>();
private final AtomicBoolean used = new AtomicBoolean(false);
private volatile BroadcastReceiver networkStateReceiver = null;
@Inject
AndroidNetworkManager(@Scheduler ScheduledExecutorService scheduler,
EventBus eventBus, Application app) {
this.scheduler = scheduler;
this.eventBus = eventBus;
this.appContext = app.getApplicationContext();
}
@Override
public void startService() {
if (used.getAndSet(true)) throw new IllegalStateException();
// Register to receive network status events
networkStateReceiver = new NetworkStateReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(CONNECTIVITY_ACTION);
filter.addAction(ACTION_SCREEN_ON);
filter.addAction(ACTION_SCREEN_OFF);
filter.addAction(WIFI_AP_STATE_CHANGED_ACTION);
if (SDK_INT >= 23) filter.addAction(ACTION_DEVICE_IDLE_MODE_CHANGED);
appContext.registerReceiver(networkStateReceiver, filter);
}
@Override
public void stopService() {
if (networkStateReceiver != null)
appContext.unregisterReceiver(networkStateReceiver);
}
@Override
public NetworkStatus getNetworkStatus() {
ConnectivityManager cm = (ConnectivityManager)
appContext.getSystemService(CONNECTIVITY_SERVICE);
if (cm == null) throw new AssertionError();
NetworkInfo net = cm.getActiveNetworkInfo();
boolean connected = net != null && net.isConnected();
boolean wifi = connected && net.getType() == TYPE_WIFI;
return new NetworkStatus(connected, wifi);
}
private void updateConnectionStatus() {
eventBus.broadcast(new NetworkStatusEvent(getNetworkStatus()));
}
private void scheduleConnectionStatusUpdate(int delay, TimeUnit unit) {
Future<?> newConnectivityCheck =
scheduler.schedule(this::updateConnectionStatus, delay, unit);
Future<?> oldConnectivityCheck =
connectivityCheck.getAndSet(newConnectivityCheck);
if (oldConnectivityCheck != null) oldConnectivityCheck.cancel(false);
}
private class NetworkStateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context ctx, Intent i) {
String action = i.getAction();
if (LOG.isLoggable(INFO)) LOG.info("Received broadcast " + action);
updateConnectionStatus();
if (isSleepOrDozeEvent(action)) {
// Allow time for the network to be enabled or disabled
scheduleConnectionStatusUpdate(1, MINUTES);
} else if (isApEvent(action)) {
// The state change may be broadcast before the AP address is
// visible, so delay handling the event
scheduleConnectionStatusUpdate(5, SECONDS);
}
}
private boolean isSleepOrDozeEvent(@Nullable String action) {
boolean isSleep = ACTION_SCREEN_ON.equals(action) ||
ACTION_SCREEN_OFF.equals(action);
boolean isDoze = SDK_INT >= 23 &&
ACTION_DEVICE_IDLE_MODE_CHANGED.equals(action);
return isSleep || isDoze;
}
private boolean isApEvent(@Nullable String action) {
return WIFI_AP_STATE_CHANGED_ACTION.equals(action);
}
}
}

View File

@@ -1,27 +0,0 @@
package org.briarproject.bramble.network;
import org.briarproject.bramble.api.lifecycle.LifecycleManager;
import org.briarproject.bramble.api.network.NetworkManager;
import javax.inject.Inject;
import javax.inject.Singleton;
import dagger.Module;
import dagger.Provides;
@Module
public class AndroidNetworkModule {
public static class EagerSingletons {
@Inject
NetworkManager networkManager;
}
@Provides
@Singleton
NetworkManager provideNetworkManager(LifecycleManager lifecycleManager,
AndroidNetworkManager networkManager) {
lifecycleManager.registerService(networkManager);
return networkManager;
}
}

View File

@@ -0,0 +1,65 @@
package org.briarproject.bramble.plugin;
import android.app.Application;
import android.content.Context;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.lifecycle.IoExecutor;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.BackoffFactory;
import org.briarproject.bramble.api.plugin.PluginConfig;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
import org.briarproject.bramble.api.plugin.simplex.SimplexPluginFactory;
import org.briarproject.bramble.api.reporting.DevReporter;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.api.system.LocationUtils;
import org.briarproject.bramble.plugin.droidtooth.DroidtoothPluginFactory;
import org.briarproject.bramble.plugin.tcp.AndroidLanTcpPluginFactory;
import org.briarproject.bramble.plugin.tor.TorPluginFactory;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.Executor;
import javax.net.SocketFactory;
import dagger.Module;
import dagger.Provides;
@Module
public class AndroidPluginModule {
@Provides
PluginConfig providePluginConfig(@IoExecutor Executor ioExecutor,
AndroidExecutor androidExecutor, SecureRandom random,
SocketFactory torSocketFactory, BackoffFactory backoffFactory,
Application app, LocationUtils locationUtils, DevReporter reporter,
EventBus eventBus) {
Context appContext = app.getApplicationContext();
DuplexPluginFactory bluetooth = new DroidtoothPluginFactory(ioExecutor,
androidExecutor, appContext, random, backoffFactory);
DuplexPluginFactory tor = new TorPluginFactory(ioExecutor, appContext,
locationUtils, reporter, eventBus, torSocketFactory,
backoffFactory);
DuplexPluginFactory lan = new AndroidLanTcpPluginFactory(ioExecutor,
backoffFactory, appContext);
final Collection<DuplexPluginFactory> duplex =
Arrays.asList(bluetooth, tor, lan);
@NotNullByDefault
PluginConfig pluginConfig = new PluginConfig() {
@Override
public Collection<DuplexPluginFactory> getDuplexFactories() {
return duplex;
}
@Override
public Collection<SimplexPluginFactory> getSimplexFactories() {
return Collections.emptyList();
}
};
return pluginConfig;
}
}

View File

@@ -1,297 +0,0 @@
package org.briarproject.bramble.plugin.bluetooth;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.PluginException;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.api.system.Clock;
import org.briarproject.bramble.util.AndroidUtils;
import org.briarproject.bramble.util.IoUtils;
import java.io.IOException;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.logging.Logger;
import javax.annotation.Nullable;
import static android.bluetooth.BluetoothAdapter.ACTION_DISCOVERY_FINISHED;
import static android.bluetooth.BluetoothAdapter.ACTION_DISCOVERY_STARTED;
import static android.bluetooth.BluetoothAdapter.ACTION_SCAN_MODE_CHANGED;
import static android.bluetooth.BluetoothAdapter.ACTION_STATE_CHANGED;
import static android.bluetooth.BluetoothAdapter.EXTRA_SCAN_MODE;
import static android.bluetooth.BluetoothAdapter.EXTRA_STATE;
import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE;
import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE;
import static android.bluetooth.BluetoothAdapter.SCAN_MODE_NONE;
import static android.bluetooth.BluetoothAdapter.STATE_OFF;
import static android.bluetooth.BluetoothAdapter.STATE_ON;
import static android.bluetooth.BluetoothDevice.ACTION_FOUND;
import static android.bluetooth.BluetoothDevice.EXTRA_DEVICE;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
import static org.briarproject.bramble.util.PrivacyUtils.scrubMacAddress;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
class AndroidBluetoothPlugin extends BluetoothPlugin<BluetoothServerSocket> {
private static final Logger LOG =
Logger.getLogger(AndroidBluetoothPlugin.class.getName());
private static final int MAX_DISCOVERY_MS = 10_000;
private final AndroidExecutor androidExecutor;
private final Context appContext;
private final Clock clock;
private volatile boolean wasEnabledByUs = false;
private volatile BluetoothStateReceiver receiver = null;
// Non-null if the plugin started successfully
private volatile BluetoothAdapter adapter = null;
AndroidBluetoothPlugin(BluetoothConnectionLimiter connectionLimiter,
Executor ioExecutor, AndroidExecutor androidExecutor,
Context appContext, SecureRandom secureRandom, Clock clock,
Backoff backoff, DuplexPluginCallback callback, int maxLatency) {
super(connectionLimiter, ioExecutor, secureRandom, backoff, callback,
maxLatency);
this.androidExecutor = androidExecutor;
this.appContext = appContext;
this.clock = clock;
}
@Override
public void start() throws PluginException {
super.start();
// Listen for changes to the Bluetooth state
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_STATE_CHANGED);
filter.addAction(ACTION_SCAN_MODE_CHANGED);
receiver = new BluetoothStateReceiver();
appContext.registerReceiver(receiver, filter);
}
@Override
public void stop() {
super.stop();
if (receiver != null) appContext.unregisterReceiver(receiver);
}
@Override
void initialiseAdapter() throws IOException {
// BluetoothAdapter.getDefaultAdapter() must be called on a thread
// with a message queue, so submit it to the AndroidExecutor
try {
adapter = androidExecutor.runOnBackgroundThread(
BluetoothAdapter::getDefaultAdapter).get();
} catch (InterruptedException | ExecutionException e) {
throw new IOException(e);
}
if (adapter == null)
throw new IOException("Bluetooth is not supported");
}
@Override
boolean isAdapterEnabled() {
return adapter != null && adapter.isEnabled();
}
@Override
void enableAdapter() {
if (adapter != null && !adapter.isEnabled()) {
if (adapter.enable()) {
LOG.info("Enabling Bluetooth");
wasEnabledByUs = true;
} else {
LOG.info("Could not enable Bluetooth");
}
}
}
@Override
void disableAdapterIfEnabledByUs() {
if (isAdapterEnabled() && wasEnabledByUs) {
if (adapter.disable()) LOG.info("Disabling Bluetooth");
else LOG.info("Could not disable Bluetooth");
wasEnabledByUs = false;
}
}
@Override
void setEnabledByUs() {
wasEnabledByUs = true;
}
@Override
@Nullable
String getBluetoothAddress() {
String address = AndroidUtils.getBluetoothAddress(appContext, adapter);
return address.isEmpty() ? null : address;
}
@Override
BluetoothServerSocket openServerSocket(String uuid) throws IOException {
return adapter.listenUsingInsecureRfcommWithServiceRecord(
"RFCOMM", UUID.fromString(uuid));
}
@Override
void tryToClose(@Nullable BluetoothServerSocket ss) {
IoUtils.tryToClose(ss, LOG, WARNING);
}
@Override
DuplexTransportConnection acceptConnection(BluetoothServerSocket ss)
throws IOException {
return wrapSocket(ss.accept());
}
private DuplexTransportConnection wrapSocket(BluetoothSocket s) {
return new AndroidBluetoothTransportConnection(this,
connectionLimiter, s);
}
@Override
boolean isValidAddress(String address) {
return BluetoothAdapter.checkBluetoothAddress(address);
}
@Override
DuplexTransportConnection connectTo(String address, String uuid)
throws IOException {
BluetoothDevice d = adapter.getRemoteDevice(address);
UUID u = UUID.fromString(uuid);
BluetoothSocket s = null;
try {
s = d.createInsecureRfcommSocketToServiceRecord(u);
s.connect();
return wrapSocket(s);
} catch (IOException e) {
IoUtils.tryToClose(s, LOG, WARNING);
throw e;
}
}
@Override
@Nullable
DuplexTransportConnection discoverAndConnect(String uuid) {
if (adapter == null) return null;
for (String address : discoverDevices()) {
try {
if (LOG.isLoggable(INFO))
LOG.info("Connecting to " + scrubMacAddress(address));
return connectTo(address, uuid);
} catch (IOException e) {
if (LOG.isLoggable(INFO)) {
LOG.info("Could not connect to "
+ scrubMacAddress(address));
}
}
}
LOG.info("Could not connect to any devices");
return null;
}
private Collection<String> discoverDevices() {
List<String> addresses = new ArrayList<>();
BlockingQueue<Intent> intents = new LinkedBlockingQueue<>();
DiscoveryReceiver receiver = new DiscoveryReceiver(intents);
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_DISCOVERY_STARTED);
filter.addAction(ACTION_DISCOVERY_FINISHED);
filter.addAction(ACTION_FOUND);
appContext.registerReceiver(receiver, filter);
try {
if (adapter.startDiscovery()) {
long now = clock.currentTimeMillis();
long end = now + MAX_DISCOVERY_MS;
while (now < end) {
Intent i = intents.poll(end - now, MILLISECONDS);
if (i == null) break;
String action = i.getAction();
if (ACTION_DISCOVERY_STARTED.equals(action)) {
LOG.info("Discovery started");
} else if (ACTION_DISCOVERY_FINISHED.equals(action)) {
LOG.info("Discovery finished");
break;
} else if (ACTION_FOUND.equals(action)) {
BluetoothDevice d = i.getParcelableExtra(EXTRA_DEVICE);
String address = d.getAddress();
if (LOG.isLoggable(INFO))
LOG.info("Discovered " + scrubMacAddress(address));
if (!addresses.contains(address))
addresses.add(address);
}
now = clock.currentTimeMillis();
}
} else {
LOG.info("Could not start discovery");
}
} catch (InterruptedException e) {
LOG.info("Interrupted while discovering devices");
Thread.currentThread().interrupt();
} finally {
LOG.info("Cancelling discovery");
adapter.cancelDiscovery();
appContext.unregisterReceiver(receiver);
}
// Shuffle the addresses so we don't always try the same one first
Collections.shuffle(addresses);
return addresses;
}
private class BluetoothStateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context ctx, Intent intent) {
int state = intent.getIntExtra(EXTRA_STATE, 0);
if (state == STATE_ON) onAdapterEnabled();
else if (state == STATE_OFF) onAdapterDisabled();
int scanMode = intent.getIntExtra(EXTRA_SCAN_MODE, 0);
if (scanMode == SCAN_MODE_NONE) {
LOG.info("Scan mode: None");
} else if (scanMode == SCAN_MODE_CONNECTABLE) {
LOG.info("Scan mode: Connectable");
} else if (scanMode == SCAN_MODE_CONNECTABLE_DISCOVERABLE) {
LOG.info("Scan mode: Discoverable");
}
}
}
private static class DiscoveryReceiver extends BroadcastReceiver {
private final BlockingQueue<Intent> intents;
private DiscoveryReceiver(BlockingQueue<Intent> intents) {
this.intents = intents;
}
@Override
public void onReceive(Context ctx, Intent intent) {
intents.add(intent);
}
}
}

View File

@@ -0,0 +1,681 @@
package org.briarproject.bramble.plugin.droidtooth;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import org.briarproject.bramble.api.FormatException;
import org.briarproject.bramble.api.contact.ContactId;
import org.briarproject.bramble.api.crypto.PseudoRandom;
import org.briarproject.bramble.api.data.BdfList;
import org.briarproject.bramble.api.keyagreement.KeyAgreementConnection;
import org.briarproject.bramble.api.keyagreement.KeyAgreementListener;
import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.PluginException;
import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
import org.briarproject.bramble.api.properties.TransportProperties;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.util.AndroidUtils;
import org.briarproject.bramble.util.StringUtils;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.UUID;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletionService;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorCompletionService;
import java.util.concurrent.Future;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Logger;
import javax.annotation.Nullable;
import static android.bluetooth.BluetoothAdapter.ACTION_SCAN_MODE_CHANGED;
import static android.bluetooth.BluetoothAdapter.ACTION_STATE_CHANGED;
import static android.bluetooth.BluetoothAdapter.EXTRA_SCAN_MODE;
import static android.bluetooth.BluetoothAdapter.EXTRA_STATE;
import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE;
import static android.bluetooth.BluetoothAdapter.SCAN_MODE_CONNECTABLE_DISCOVERABLE;
import static android.bluetooth.BluetoothAdapter.SCAN_MODE_NONE;
import static android.bluetooth.BluetoothAdapter.STATE_OFF;
import static android.bluetooth.BluetoothAdapter.STATE_ON;
import static android.bluetooth.BluetoothDevice.EXTRA_DEVICE;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
import static org.briarproject.bramble.api.keyagreement.KeyAgreementConstants.TRANSPORT_ID_BLUETOOTH;
import static org.briarproject.bramble.api.plugin.BluetoothConstants.ID;
import static org.briarproject.bramble.api.plugin.BluetoothConstants.PROP_ADDRESS;
import static org.briarproject.bramble.api.plugin.BluetoothConstants.PROP_UUID;
import static org.briarproject.bramble.api.plugin.BluetoothConstants.UUID_BYTES;
import static org.briarproject.bramble.util.PrivacyUtils.scrubMacAddress;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
class DroidtoothPlugin implements DuplexPlugin {
private static final Logger LOG =
Logger.getLogger(DroidtoothPlugin.class.getName());
private static final String FOUND =
"android.bluetooth.device.action.FOUND";
private static final String DISCOVERY_FINISHED =
"android.bluetooth.adapter.action.DISCOVERY_FINISHED";
private final Executor ioExecutor;
private final AndroidExecutor androidExecutor;
private final Context appContext;
private final SecureRandom secureRandom;
private final Backoff backoff;
private final DuplexPluginCallback callback;
private final int maxLatency;
private final AtomicBoolean used = new AtomicBoolean(false);
private volatile boolean running = false;
private volatile boolean wasEnabledByUs = false;
private volatile BluetoothStateReceiver receiver = null;
private volatile BluetoothServerSocket socket = null;
// Non-null if the plugin started successfully
private volatile BluetoothAdapter adapter = null;
DroidtoothPlugin(Executor ioExecutor, AndroidExecutor androidExecutor,
Context appContext, SecureRandom secureRandom, Backoff backoff,
DuplexPluginCallback callback, int maxLatency) {
this.ioExecutor = ioExecutor;
this.androidExecutor = androidExecutor;
this.appContext = appContext;
this.secureRandom = secureRandom;
this.backoff = backoff;
this.callback = callback;
this.maxLatency = maxLatency;
}
@Override
public TransportId getId() {
return ID;
}
@Override
public int getMaxLatency() {
return maxLatency;
}
@Override
public int getMaxIdleTime() {
// Bluetooth detects dead connections so we don't need keepalives
return Integer.MAX_VALUE;
}
@Override
public void start() throws PluginException {
if (used.getAndSet(true)) throw new IllegalStateException();
// BluetoothAdapter.getDefaultAdapter() must be called on a thread
// with a message queue, so submit it to the AndroidExecutor
try {
adapter = androidExecutor.runOnBackgroundThread(
new Callable<BluetoothAdapter>() {
@Override
public BluetoothAdapter call() throws Exception {
return BluetoothAdapter.getDefaultAdapter();
}
}).get();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
LOG.warning("Interrupted while getting BluetoothAdapter");
throw new PluginException(e);
} catch (ExecutionException e) {
throw new PluginException(e);
}
if (adapter == null) {
LOG.info("Bluetooth is not supported");
throw new PluginException();
}
running = true;
// Listen for changes to the Bluetooth state
IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_STATE_CHANGED);
filter.addAction(ACTION_SCAN_MODE_CHANGED);
receiver = new BluetoothStateReceiver();
appContext.registerReceiver(receiver, filter);
// If Bluetooth is enabled, bind a socket
if (adapter.isEnabled()) {
bind();
} else {
// Enable Bluetooth if settings allow
if (callback.getSettings().getBoolean("enable", false)) {
wasEnabledByUs = true;
if (adapter.enable()) LOG.info("Enabling Bluetooth");
else LOG.info("Could not enable Bluetooth");
} else {
LOG.info("Not enabling Bluetooth");
}
}
}
private void bind() {
ioExecutor.execute(new Runnable() {
@Override
public void run() {
if (!isRunning()) return;
String address = AndroidUtils.getBluetoothAddress(appContext,
adapter);
if (LOG.isLoggable(INFO))
LOG.info("Local address " + scrubMacAddress(address));
if (!StringUtils.isNullOrEmpty(address)) {
// Advertise the Bluetooth address to contacts
TransportProperties p = new TransportProperties();
p.put(PROP_ADDRESS, address);
callback.mergeLocalProperties(p);
}
// Bind a server socket to accept connections from contacts
BluetoothServerSocket ss;
try {
ss = adapter.listenUsingInsecureRfcommWithServiceRecord(
"RFCOMM", getUuid());
} catch (IOException e) {
if (LOG.isLoggable(WARNING))
LOG.log(WARNING, e.toString(), e);
return;
}
if (!isRunning()) {
tryToClose(ss);
return;
}
LOG.info("Socket bound");
socket = ss;
backoff.reset();
callback.transportEnabled();
acceptContactConnections();
}
});
}
private UUID getUuid() {
String uuid = callback.getLocalProperties().get(PROP_UUID);
if (uuid == null) {
byte[] random = new byte[UUID_BYTES];
secureRandom.nextBytes(random);
uuid = UUID.nameUUIDFromBytes(random).toString();
TransportProperties p = new TransportProperties();
p.put(PROP_UUID, uuid);
callback.mergeLocalProperties(p);
}
return UUID.fromString(uuid);
}
private void tryToClose(@Nullable BluetoothServerSocket ss) {
try {
if (ss != null) ss.close();
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
} finally {
callback.transportDisabled();
}
}
private void acceptContactConnections() {
while (isRunning()) {
BluetoothSocket s;
try {
s = socket.accept();
} catch (IOException e) {
// This is expected when the socket is closed
if (LOG.isLoggable(INFO)) LOG.info(e.toString());
return;
}
if (LOG.isLoggable(INFO)) {
String address = s.getRemoteDevice().getAddress();
LOG.info("Connection from " + scrubMacAddress(address));
}
backoff.reset();
callback.incomingConnectionCreated(wrapSocket(s));
}
}
private DuplexTransportConnection wrapSocket(BluetoothSocket s) {
return new DroidtoothTransportConnection(this, s);
}
@Override
public void stop() {
running = false;
if (receiver != null) appContext.unregisterReceiver(receiver);
tryToClose(socket);
// Disable Bluetooth if we enabled it and it's still enabled
if (wasEnabledByUs && adapter.isEnabled()) {
if (adapter.disable()) LOG.info("Disabling Bluetooth");
else LOG.info("Could not disable Bluetooth");
}
}
@Override
public boolean isRunning() {
return running && adapter != null && adapter.isEnabled();
}
@Override
public boolean shouldPoll() {
return true;
}
@Override
public int getPollingInterval() {
return backoff.getPollingInterval();
}
@Override
public void poll(Collection<ContactId> connected) {
if (!isRunning()) return;
backoff.increment();
// Try to connect to known devices in parallel
Map<ContactId, TransportProperties> remote =
callback.getRemoteProperties();
for (Entry<ContactId, TransportProperties> e : remote.entrySet()) {
final ContactId c = e.getKey();
if (connected.contains(c)) continue;
final String address = e.getValue().get(PROP_ADDRESS);
if (StringUtils.isNullOrEmpty(address)) continue;
final String uuid = e.getValue().get(PROP_UUID);
if (StringUtils.isNullOrEmpty(uuid)) continue;
ioExecutor.execute(new Runnable() {
@Override
public void run() {
if (!running) return;
BluetoothSocket s = connect(address, uuid);
if (s != null) {
backoff.reset();
callback.outgoingConnectionCreated(c, wrapSocket(s));
}
}
});
}
}
@Nullable
private BluetoothSocket connect(String address, String uuid) {
// Validate the address
if (!BluetoothAdapter.checkBluetoothAddress(address)) {
if (LOG.isLoggable(WARNING))
// not scrubbing here to be able to figure out the problem
LOG.warning("Invalid address " + address);
return null;
}
// Validate the UUID
UUID u;
try {
u = UUID.fromString(uuid);
} catch (IllegalArgumentException e) {
if (LOG.isLoggable(WARNING)) LOG.warning("Invalid UUID " + uuid);
return null;
}
// Try to connect
BluetoothDevice d = adapter.getRemoteDevice(address);
BluetoothSocket s = null;
try {
s = d.createInsecureRfcommSocketToServiceRecord(u);
if (LOG.isLoggable(INFO))
LOG.info("Connecting to " + scrubMacAddress(address));
s.connect();
if (LOG.isLoggable(INFO))
LOG.info("Connected to " + scrubMacAddress(address));
return s;
} catch (IOException e) {
if (LOG.isLoggable(INFO)) {
LOG.info("Failed to connect to " + scrubMacAddress(address)
+ ": " + e);
}
tryToClose(s);
return null;
}
}
private void tryToClose(@Nullable Closeable c) {
try {
if (c != null) c.close();
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
}
}
@Override
public DuplexTransportConnection createConnection(ContactId c) {
if (!isRunning()) return null;
TransportProperties p = callback.getRemoteProperties().get(c);
if (p == null) return null;
String address = p.get(PROP_ADDRESS);
if (StringUtils.isNullOrEmpty(address)) return null;
String uuid = p.get(PROP_UUID);
if (StringUtils.isNullOrEmpty(uuid)) return null;
BluetoothSocket s = connect(address, uuid);
if (s == null) return null;
return new DroidtoothTransportConnection(this, s);
}
@Override
public boolean supportsInvitations() {
return true;
}
@Override
public DuplexTransportConnection createInvitationConnection(PseudoRandom r,
long timeout, boolean alice) {
if (!isRunning()) return null;
// Use the invitation codes to generate the UUID
byte[] b = r.nextBytes(UUID_BYTES);
UUID uuid = UUID.nameUUIDFromBytes(b);
if (LOG.isLoggable(INFO)) LOG.info("Invitation UUID " + uuid);
// Bind a server socket for receiving invitation connections
BluetoothServerSocket ss;
try {
ss = adapter.listenUsingInsecureRfcommWithServiceRecord(
"RFCOMM", uuid);
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
return null;
}
// Create the background tasks
CompletionService<BluetoothSocket> complete =
new ExecutorCompletionService<>(ioExecutor);
List<Future<BluetoothSocket>> futures = new ArrayList<>();
if (alice) {
// Return the first connected socket
futures.add(complete.submit(new ListeningTask(ss)));
futures.add(complete.submit(new DiscoveryTask(uuid.toString())));
} else {
// Return the first socket with readable data
futures.add(complete.submit(new ReadableTask(
new ListeningTask(ss))));
futures.add(complete.submit(new ReadableTask(
new DiscoveryTask(uuid.toString()))));
}
BluetoothSocket chosen = null;
try {
Future<BluetoothSocket> f = complete.poll(timeout, MILLISECONDS);
if (f == null) return null; // No task completed within the timeout
chosen = f.get();
return new DroidtoothTransportConnection(this, chosen);
} catch (InterruptedException e) {
LOG.info("Interrupted while exchanging invitations");
Thread.currentThread().interrupt();
return null;
} catch (ExecutionException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
return null;
} finally {
// Closing the socket will terminate the listener task
tryToClose(ss);
closeSockets(futures, chosen);
}
}
private void closeSockets(final List<Future<BluetoothSocket>> futures,
@Nullable final BluetoothSocket chosen) {
ioExecutor.execute(new Runnable() {
@Override
public void run() {
for (Future<BluetoothSocket> f : futures) {
try {
if (f.cancel(true)) {
LOG.info("Cancelled task");
} else {
BluetoothSocket s = f.get();
if (s != null && s != chosen) {
LOG.info("Closing unwanted socket");
s.close();
}
}
} catch (InterruptedException e) {
LOG.info("Interrupted while closing sockets");
return;
} catch (ExecutionException | IOException e) {
if (LOG.isLoggable(INFO)) LOG.info(e.toString());
}
}
}
});
}
@Override
public boolean supportsKeyAgreement() {
return true;
}
@Override
public KeyAgreementListener createKeyAgreementListener(byte[] commitment) {
if (!isRunning()) return null;
// There's no point listening if we can't discover our own address
String address = AndroidUtils.getBluetoothAddress(appContext, adapter);
if (address.isEmpty()) return null;
// No truncation necessary because COMMIT_LENGTH = 16
UUID uuid = UUID.nameUUIDFromBytes(commitment);
if (LOG.isLoggable(INFO)) LOG.info("Key agreement UUID " + uuid);
// Bind a server socket for receiving invitation connections
BluetoothServerSocket ss;
try {
ss = adapter.listenUsingInsecureRfcommWithServiceRecord(
"RFCOMM", uuid);
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
return null;
}
BdfList descriptor = new BdfList();
descriptor.add(TRANSPORT_ID_BLUETOOTH);
descriptor.add(StringUtils.macToBytes(address));
return new BluetoothKeyAgreementListener(descriptor, ss);
}
@Override
public DuplexTransportConnection createKeyAgreementConnection(
byte[] commitment, BdfList descriptor, long timeout) {
if (!isRunning()) return null;
String address;
try {
address = parseAddress(descriptor);
} catch (FormatException e) {
LOG.info("Invalid address in key agreement descriptor");
return null;
}
// No truncation necessary because COMMIT_LENGTH = 16
UUID uuid = UUID.nameUUIDFromBytes(commitment);
if (LOG.isLoggable(INFO))
LOG.info("Connecting to key agreement UUID " + uuid);
BluetoothSocket s = connect(address, uuid.toString());
if (s == null) return null;
return new DroidtoothTransportConnection(this, s);
}
private String parseAddress(BdfList descriptor) throws FormatException {
byte[] mac = descriptor.getRaw(1);
if (mac.length != 6) throw new FormatException();
return StringUtils.macToString(mac);
}
private class BluetoothStateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context ctx, Intent intent) {
int state = intent.getIntExtra(EXTRA_STATE, 0);
if (state == STATE_ON) {
LOG.info("Bluetooth enabled");
bind();
} else if (state == STATE_OFF) {
LOG.info("Bluetooth disabled");
tryToClose(socket);
}
int scanMode = intent.getIntExtra(EXTRA_SCAN_MODE, 0);
if (scanMode == SCAN_MODE_NONE) {
LOG.info("Scan mode: None");
} else if (scanMode == SCAN_MODE_CONNECTABLE) {
LOG.info("Scan mode: Connectable");
} else if (scanMode == SCAN_MODE_CONNECTABLE_DISCOVERABLE) {
LOG.info("Scan mode: Discoverable");
}
}
}
private class DiscoveryTask implements Callable<BluetoothSocket> {
private final String uuid;
private DiscoveryTask(String uuid) {
this.uuid = uuid;
}
@Override
public BluetoothSocket call() throws Exception {
// Repeat discovery until we connect or get interrupted
while (true) {
// Discover nearby devices
LOG.info("Discovering nearby devices");
List<String> addresses = discoverDevices();
if (addresses.isEmpty()) {
LOG.info("No devices discovered");
continue;
}
// Connect to any device with the right UUID
for (String address : addresses) {
BluetoothSocket s = connect(address, uuid);
if (s != null) {
LOG.info("Outgoing connection");
return s;
}
}
}
}
private List<String> discoverDevices() throws InterruptedException {
IntentFilter filter = new IntentFilter();
filter.addAction(FOUND);
filter.addAction(DISCOVERY_FINISHED);
DiscoveryReceiver disco = new DiscoveryReceiver();
appContext.registerReceiver(disco, filter);
LOG.info("Starting discovery");
adapter.startDiscovery();
return disco.waitForAddresses();
}
}
private static class DiscoveryReceiver extends BroadcastReceiver {
private final CountDownLatch finished = new CountDownLatch(1);
private final List<String> addresses = new CopyOnWriteArrayList<>();
@Override
public void onReceive(Context ctx, Intent intent) {
String action = intent.getAction();
if (action.equals(DISCOVERY_FINISHED)) {
LOG.info("Discovery finished");
ctx.unregisterReceiver(this);
finished.countDown();
} else if (action.equals(FOUND)) {
BluetoothDevice d = intent.getParcelableExtra(EXTRA_DEVICE);
if (LOG.isLoggable(INFO)) {
LOG.info("Discovered device: " +
scrubMacAddress(d.getAddress()));
}
addresses.add(d.getAddress());
}
}
private List<String> waitForAddresses() throws InterruptedException {
finished.await();
List<String> shuffled = new ArrayList<>(addresses);
Collections.shuffle(shuffled);
return shuffled;
}
}
private static class ListeningTask implements Callable<BluetoothSocket> {
private final BluetoothServerSocket serverSocket;
private ListeningTask(BluetoothServerSocket serverSocket) {
this.serverSocket = serverSocket;
}
@Override
public BluetoothSocket call() throws IOException {
BluetoothSocket s = serverSocket.accept();
LOG.info("Incoming connection");
return s;
}
}
private static class ReadableTask implements Callable<BluetoothSocket> {
private final Callable<BluetoothSocket> connectionTask;
private ReadableTask(Callable<BluetoothSocket> connectionTask) {
this.connectionTask = connectionTask;
}
@Override
public BluetoothSocket call() throws Exception {
BluetoothSocket s = connectionTask.call();
InputStream in = s.getInputStream();
while (in.available() == 0) {
LOG.info("Waiting for data");
Thread.sleep(1000);
}
LOG.info("Data available");
return s;
}
}
private class BluetoothKeyAgreementListener extends KeyAgreementListener {
private final BluetoothServerSocket ss;
private BluetoothKeyAgreementListener(BdfList descriptor,
BluetoothServerSocket ss) {
super(descriptor);
this.ss = ss;
}
@Override
public Callable<KeyAgreementConnection> listen() {
return new Callable<KeyAgreementConnection>() {
@Override
public KeyAgreementConnection call() throws IOException {
BluetoothSocket s = ss.accept();
if (LOG.isLoggable(INFO))
LOG.info(ID.getString() + ": Incoming connection");
return new KeyAgreementConnection(
new DroidtoothTransportConnection(
DroidtoothPlugin.this, s), ID);
}
};
}
@Override
public void close() {
try {
ss.close();
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
}
}
}
}

View File

@@ -1,8 +1,7 @@
package org.briarproject.bramble.plugin.bluetooth;
package org.briarproject.bramble.plugin.droidtooth;
import android.content.Context;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.BackoffFactory;
@@ -11,7 +10,6 @@ import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.api.system.Clock;
import java.security.SecureRandom;
import java.util.concurrent.Executor;
@@ -22,7 +20,7 @@ import static org.briarproject.bramble.api.plugin.BluetoothConstants.ID;
@Immutable
@NotNullByDefault
public class AndroidBluetoothPluginFactory implements DuplexPluginFactory {
public class DroidtoothPluginFactory implements DuplexPluginFactory {
private static final int MAX_LATENCY = 30 * 1000; // 30 seconds
private static final int MIN_POLLING_INTERVAL = 60 * 1000; // 1 minute
@@ -33,20 +31,15 @@ public class AndroidBluetoothPluginFactory implements DuplexPluginFactory {
private final AndroidExecutor androidExecutor;
private final Context appContext;
private final SecureRandom secureRandom;
private final EventBus eventBus;
private final Clock clock;
private final BackoffFactory backoffFactory;
public AndroidBluetoothPluginFactory(Executor ioExecutor,
public DroidtoothPluginFactory(Executor ioExecutor,
AndroidExecutor androidExecutor, Context appContext,
SecureRandom secureRandom, EventBus eventBus, Clock clock,
BackoffFactory backoffFactory) {
SecureRandom secureRandom, BackoffFactory backoffFactory) {
this.ioExecutor = ioExecutor;
this.androidExecutor = androidExecutor;
this.appContext = appContext;
this.secureRandom = secureRandom;
this.eventBus = eventBus;
this.clock = clock;
this.backoffFactory = backoffFactory;
}
@@ -62,14 +55,9 @@ public class AndroidBluetoothPluginFactory implements DuplexPluginFactory {
@Override
public DuplexPlugin createPlugin(DuplexPluginCallback callback) {
BluetoothConnectionLimiter connectionLimiter =
new BluetoothConnectionLimiterImpl();
Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
MAX_POLLING_INTERVAL, BACKOFF_BASE);
AndroidBluetoothPlugin plugin = new AndroidBluetoothPlugin(
connectionLimiter, ioExecutor, androidExecutor, appContext,
secureRandom, clock, backoff, callback, MAX_LATENCY);
eventBus.addListener(plugin);
return plugin;
return new DroidtoothPlugin(ioExecutor, androidExecutor, appContext,
secureRandom, backoff, callback, MAX_LATENCY);
}
}

View File

@@ -1,4 +1,4 @@
package org.briarproject.bramble.plugin.bluetooth;
package org.briarproject.bramble.plugin.droidtooth;
import android.bluetooth.BluetoothSocket;
@@ -11,17 +11,12 @@ import java.io.InputStream;
import java.io.OutputStream;
@NotNullByDefault
class AndroidBluetoothTransportConnection
extends AbstractDuplexTransportConnection {
class DroidtoothTransportConnection extends AbstractDuplexTransportConnection {
private final BluetoothConnectionLimiter connectionManager;
private final BluetoothSocket socket;
AndroidBluetoothTransportConnection(Plugin plugin,
BluetoothConnectionLimiter connectionManager,
BluetoothSocket socket) {
DroidtoothTransportConnection(Plugin plugin, BluetoothSocket socket) {
super(plugin);
this.connectionManager = connectionManager;
this.socket = socket;
}
@@ -37,10 +32,6 @@ class AndroidBluetoothTransportConnection
@Override
protected void closeConnection(boolean exception) throws IOException {
try {
socket.close();
} finally {
connectionManager.connectionClosed(this);
}
socket.close();
}
}

View File

@@ -1,166 +1,76 @@
package org.briarproject.bramble.plugin.tcp;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import org.briarproject.bramble.PoliteExecutor;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.event.EventListener;
import org.briarproject.bramble.api.network.event.NetworkStatusEvent;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Collection;
import java.util.concurrent.Executor;
import java.util.logging.Logger;
import javax.annotation.Nullable;
import javax.net.SocketFactory;
import static android.content.Context.CONNECTIVITY_SERVICE;
import static android.content.Context.WIFI_SERVICE;
import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.os.Build.VERSION.SDK_INT;
import static java.util.Collections.emptyList;
import static java.util.Collections.singletonList;
@NotNullByDefault
class AndroidLanTcpPlugin extends LanTcpPlugin implements EventListener {
private static final byte[] WIFI_AP_ADDRESS_BYTES =
{(byte) 192, (byte) 168, 43, 1};
private static final InetAddress WIFI_AP_ADDRESS;
class AndroidLanTcpPlugin extends LanTcpPlugin {
private static final Logger LOG =
Logger.getLogger(AndroidLanTcpPlugin.class.getName());
static {
try {
WIFI_AP_ADDRESS = InetAddress.getByAddress(WIFI_AP_ADDRESS_BYTES);
} catch (UnknownHostException e) {
// Should only be thrown if the address has an illegal length
throw new AssertionError(e);
}
}
private final Context appContext;
private final Executor connectionStatusExecutor;
private final ConnectivityManager connectivityManager;
@Nullable
private final WifiManager wifiManager;
private volatile BroadcastReceiver networkStateReceiver = null;
private volatile SocketFactory socketFactory;
AndroidLanTcpPlugin(Executor ioExecutor, Context appContext,
Backoff backoff, DuplexPluginCallback callback, int maxLatency,
AndroidLanTcpPlugin(Executor ioExecutor, Backoff backoff,
Context appContext, DuplexPluginCallback callback, int maxLatency,
int maxIdleTime) {
super(ioExecutor, backoff, callback, maxLatency, maxIdleTime);
// Don't execute more than one connection status check at a time
connectionStatusExecutor =
new PoliteExecutor("AndroidLanTcpPlugin", ioExecutor, 1);
ConnectivityManager connectivityManager = (ConnectivityManager)
appContext.getSystemService(CONNECTIVITY_SERVICE);
if (connectivityManager == null) throw new AssertionError();
this.connectivityManager = connectivityManager;
wifiManager = (WifiManager) appContext.getApplicationContext()
.getSystemService(WIFI_SERVICE);
socketFactory = SocketFactory.getDefault();
this.appContext = appContext;
}
@Override
public void start() {
if (used.getAndSet(true)) throw new IllegalStateException();
running = true;
updateConnectionStatus();
// Register to receive network status events
networkStateReceiver = new NetworkStateReceiver();
IntentFilter filter = new IntentFilter(CONNECTIVITY_ACTION);
appContext.registerReceiver(networkStateReceiver, filter);
}
@Override
public void stop() {
running = false;
if (networkStateReceiver != null)
appContext.unregisterReceiver(networkStateReceiver);
tryToClose(socket);
}
@Override
protected Socket createSocket() throws IOException {
return socketFactory.createSocket();
}
private class NetworkStateReceiver extends BroadcastReceiver {
@Override
protected Collection<InetAddress> getLocalIpAddresses() {
// If the device doesn't have wifi, don't open any sockets
if (wifiManager == null) return emptyList();
// If we're connected to a wifi network, use that network
WifiInfo info = wifiManager.getConnectionInfo();
if (info != null && info.getIpAddress() != 0)
return singletonList(intToInetAddress(info.getIpAddress()));
// If we're running an access point, return its address
if (super.getLocalIpAddresses().contains(WIFI_AP_ADDRESS))
return singletonList(WIFI_AP_ADDRESS);
// No suitable addresses
return emptyList();
}
private InetAddress intToInetAddress(int ip) {
byte[] ipBytes = new byte[4];
ipBytes[0] = (byte) (ip & 0xFF);
ipBytes[1] = (byte) ((ip >> 8) & 0xFF);
ipBytes[2] = (byte) ((ip >> 16) & 0xFF);
ipBytes[3] = (byte) ((ip >> 24) & 0xFF);
try {
return InetAddress.getByAddress(ipBytes);
} catch (UnknownHostException e) {
// Should only be thrown if address has illegal length
throw new AssertionError(e);
}
}
// On API 21 and later, a socket that is not created with the wifi
// network's socket factory may try to connect via another network
private SocketFactory getSocketFactory() {
if (SDK_INT < 21) return SocketFactory.getDefault();
for (Network net : connectivityManager.getAllNetworks()) {
NetworkInfo info = connectivityManager.getNetworkInfo(net);
if (info != null && info.getType() == TYPE_WIFI)
return net.getSocketFactory();
}
LOG.warning("Could not find suitable socket factory");
return SocketFactory.getDefault();
}
@Override
public void eventOccurred(Event e) {
if (e instanceof NetworkStatusEvent) updateConnectionStatus();
}
private void updateConnectionStatus() {
connectionStatusExecutor.execute(() -> {
@Override
public void onReceive(Context ctx, Intent i) {
if (!running) return;
Collection<InetAddress> addrs = getLocalIpAddresses();
if (addrs.contains(WIFI_AP_ADDRESS)) {
LOG.info("Providing wifi hotspot");
// There's no corresponding Network object and thus no way
// to get a suitable socket factory, so we won't be able to
// make outgoing connections on API 21+ if another network
// has internet access
socketFactory = SocketFactory.getDefault();
Object o = ctx.getSystemService(CONNECTIVITY_SERVICE);
ConnectivityManager cm = (ConnectivityManager) o;
NetworkInfo net = cm.getActiveNetworkInfo();
if (net != null && net.getType() == TYPE_WIFI && net.isConnected()) {
LOG.info("Connected to Wi-Fi");
if (socket == null || socket.isClosed()) bind();
} else if (addrs.isEmpty()) {
LOG.info("Not connected to wifi");
socketFactory = SocketFactory.getDefault();
tryToClose(socket);
} else {
LOG.info("Connected to wifi");
socketFactory = getSocketFactory();
if (socket == null || socket.isClosed()) bind();
LOG.info("Not connected to Wi-Fi");
tryToClose(socket);
}
});
}
}
}
}

View File

@@ -2,7 +2,6 @@ package org.briarproject.bramble.plugin.tcp;
import android.content.Context;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.BackoffFactory;
@@ -28,14 +27,12 @@ public class AndroidLanTcpPluginFactory implements DuplexPluginFactory {
private static final double BACKOFF_BASE = 1.2;
private final Executor ioExecutor;
private final EventBus eventBus;
private final BackoffFactory backoffFactory;
private final Context appContext;
public AndroidLanTcpPluginFactory(Executor ioExecutor, EventBus eventBus,
public AndroidLanTcpPluginFactory(Executor ioExecutor,
BackoffFactory backoffFactory, Context appContext) {
this.ioExecutor = ioExecutor;
this.eventBus = eventBus;
this.backoffFactory = backoffFactory;
this.appContext = appContext;
}
@@ -54,9 +51,7 @@ public class AndroidLanTcpPluginFactory implements DuplexPluginFactory {
public DuplexPlugin createPlugin(DuplexPluginCallback callback) {
Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
MAX_POLLING_INTERVAL, BACKOFF_BASE);
AndroidLanTcpPlugin plugin = new AndroidLanTcpPlugin(ioExecutor,
appContext, backoff, callback, MAX_LATENCY, MAX_IDLE_TIME);
eventBus.addListener(plugin);
return plugin;
return new AndroidLanTcpPlugin(ioExecutor, backoff, appContext,
callback, MAX_LATENCY, MAX_IDLE_TIME);
}
}

View File

@@ -1,90 +0,0 @@
package org.briarproject.bramble.plugin.tor;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.PowerManager;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.network.NetworkManager;
import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
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.util.RenewableWakeLock;
import java.io.IOException;
import java.util.concurrent.Executor;
import java.util.concurrent.ScheduledExecutorService;
import javax.net.SocketFactory;
import static android.content.Context.MODE_PRIVATE;
import static android.content.Context.POWER_SERVICE;
import static android.os.PowerManager.PARTIAL_WAKE_LOCK;
import static java.util.concurrent.TimeUnit.MINUTES;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
class AndroidTorPlugin extends TorPlugin {
// This tag may prevent Huawei's power manager from killing us
private static final String WAKE_LOCK_TAG = "LocationManagerService";
private final Context appContext;
private final RenewableWakeLock wakeLock;
AndroidTorPlugin(Executor ioExecutor, ScheduledExecutorService scheduler,
Context appContext, NetworkManager networkManager,
LocationUtils locationUtils, SocketFactory torSocketFactory,
Clock clock, ResourceProvider resourceProvider,
CircumventionProvider circumventionProvider,
BatteryManager batteryManager, Backoff backoff,
DuplexPluginCallback callback, String architecture, int maxLatency,
int maxIdleTime) {
super(ioExecutor, networkManager, locationUtils, torSocketFactory,
clock, resourceProvider, circumventionProvider, batteryManager,
backoff, callback, architecture, maxLatency, maxIdleTime,
appContext.getDir("tor", MODE_PRIVATE));
this.appContext = appContext;
PowerManager pm = (PowerManager)
appContext.getSystemService(POWER_SERVICE);
if (pm == null) throw new AssertionError();
wakeLock = new RenewableWakeLock(pm, scheduler, PARTIAL_WAKE_LOCK,
WAKE_LOCK_TAG, 1, MINUTES);
}
@Override
protected int getProcessId() {
return android.os.Process.myPid();
}
@Override
protected long getLastUpdateTime() {
try {
PackageManager pm = appContext.getPackageManager();
PackageInfo pi = pm.getPackageInfo(appContext.getPackageName(), 0);
return pi.lastUpdateTime;
} catch (NameNotFoundException e) {
throw new AssertionError(e);
}
}
@Override
protected void enableNetwork(boolean enable) throws IOException {
if (!running) return;
if (enable) wakeLock.acquire();
super.enableNetwork(enable);
if (!enable) wakeLock.release();
}
@Override
public void stop() {
super.stop();
wakeLock.release();
}
}

View File

@@ -0,0 +1,18 @@
package org.briarproject.bramble.plugin.tor;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
class TorNetworkMetadata {
// See https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
// and https://trac.torproject.org/projects/tor/wiki/doc/OONI/censorshipwiki
// TODO: get a more complete list
private static final Set<String> BLOCKED_IN_COUNTRIES =
new HashSet<>(Arrays.asList("CN", "IR", "SY", "ZZ"));
static boolean isTorProbablyBlocked(String countryCode) {
return BLOCKED_IN_COUNTRIES.contains(countryCode);
}
}

View File

@@ -0,0 +1,758 @@
package org.briarproject.bramble.plugin.tor;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.res.Resources;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.FileObserver;
import android.os.PowerManager;
import net.freehaven.tor.control.EventHandler;
import net.freehaven.tor.control.TorControlConnection;
import org.briarproject.bramble.api.contact.ContactId;
import org.briarproject.bramble.api.crypto.PseudoRandom;
import org.briarproject.bramble.api.data.BdfList;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.event.EventListener;
import org.briarproject.bramble.api.keyagreement.KeyAgreementListener;
import org.briarproject.bramble.api.nullsafety.MethodsNotNullByDefault;
import org.briarproject.bramble.api.nullsafety.ParametersNotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.PluginException;
import org.briarproject.bramble.api.plugin.TorConstants;
import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
import org.briarproject.bramble.api.properties.TransportProperties;
import org.briarproject.bramble.api.reporting.DevReporter;
import org.briarproject.bramble.api.settings.Settings;
import org.briarproject.bramble.api.settings.event.SettingsUpdatedEvent;
import org.briarproject.bramble.api.system.LocationUtils;
import org.briarproject.bramble.util.AndroidUtils;
import org.briarproject.bramble.util.IoUtils;
import org.briarproject.bramble.util.StringUtils;
import java.io.Closeable;
import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import java.util.zip.ZipInputStream;
import javax.annotation.Nullable;
import javax.net.SocketFactory;
import static android.content.Context.CONNECTIVITY_SERVICE;
import static android.content.Context.MODE_PRIVATE;
import static android.content.Context.POWER_SERVICE;
import static android.net.ConnectivityManager.CONNECTIVITY_ACTION;
import static android.net.ConnectivityManager.TYPE_WIFI;
import static android.os.PowerManager.PARTIAL_WAKE_LOCK;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
import static net.freehaven.tor.control.TorControlCommands.HS_ADDRESS;
import static net.freehaven.tor.control.TorControlCommands.HS_PRIVKEY;
import static org.briarproject.bramble.api.plugin.TorConstants.CONTROL_PORT;
import static org.briarproject.bramble.util.PrivacyUtils.scrubOnion;
@MethodsNotNullByDefault
@ParametersNotNullByDefault
class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
private static final String PROP_ONION = "onion";
private static final String[] EVENTS = {
"CIRC", "ORCONN", "HS_DESC", "NOTICE", "WARN", "ERR"
};
private static final String OWNER = "__OwningControllerProcess";
private static final int COOKIE_TIMEOUT = 3000; // Milliseconds
private static final Pattern ONION = Pattern.compile("[a-z2-7]{16}");
private static final Logger LOG =
Logger.getLogger(TorPlugin.class.getName());
private final Executor ioExecutor;
private final Context appContext;
private final LocationUtils locationUtils;
private final DevReporter reporter;
private final SocketFactory torSocketFactory;
private final Backoff backoff;
private final DuplexPluginCallback callback;
private final String architecture;
private final int maxLatency, maxIdleTime, socketTimeout;
private final ConnectionStatus connectionStatus;
private final File torDirectory, torFile, geoIpFile, configFile;
private final File doneFile, cookieFile;
private final PowerManager.WakeLock wakeLock;
private final AtomicBoolean used = new AtomicBoolean(false);
private volatile boolean running = false;
private volatile ServerSocket socket = null;
private volatile Socket controlSocket = null;
private volatile TorControlConnection controlConnection = null;
private volatile BroadcastReceiver networkStateReceiver = null;
TorPlugin(Executor ioExecutor, Context appContext,
LocationUtils locationUtils, DevReporter reporter,
SocketFactory torSocketFactory, Backoff backoff,
DuplexPluginCallback callback, String architecture, int maxLatency,
int maxIdleTime) {
this.ioExecutor = ioExecutor;
this.appContext = appContext;
this.locationUtils = locationUtils;
this.reporter = reporter;
this.torSocketFactory = torSocketFactory;
this.backoff = backoff;
this.callback = callback;
this.architecture = architecture;
this.maxLatency = maxLatency;
this.maxIdleTime = maxIdleTime;
if (maxIdleTime > Integer.MAX_VALUE / 2)
socketTimeout = Integer.MAX_VALUE;
else socketTimeout = maxIdleTime * 2;
connectionStatus = new ConnectionStatus();
torDirectory = appContext.getDir("tor", MODE_PRIVATE);
torFile = new File(torDirectory, "tor");
geoIpFile = new File(torDirectory, "geoip");
configFile = new File(torDirectory, "torrc");
doneFile = new File(torDirectory, "done");
cookieFile = new File(torDirectory, ".tor/control_auth_cookie");
Object o = appContext.getSystemService(POWER_SERVICE);
PowerManager pm = (PowerManager) o;
wakeLock = pm.newWakeLock(PARTIAL_WAKE_LOCK, "TorPlugin");
wakeLock.setReferenceCounted(false);
}
@Override
public TransportId getId() {
return TorConstants.ID;
}
@Override
public int getMaxLatency() {
return maxLatency;
}
@Override
public int getMaxIdleTime() {
return maxIdleTime;
}
@Override
public void start() throws PluginException {
if (used.getAndSet(true)) throw new IllegalStateException();
// Install or update the assets if necessary
if (!assetsAreUpToDate()) installAssets();
LOG.info("Starting Tor");
// Watch for the auth cookie file being updated
try {
cookieFile.getParentFile().mkdirs();
cookieFile.createNewFile();
} catch (IOException e) {
throw new PluginException(e);
}
CountDownLatch latch = new CountDownLatch(1);
FileObserver obs = new WriteObserver(cookieFile, latch);
obs.startWatching();
// Start a new Tor process
String torPath = torFile.getAbsolutePath();
String configPath = configFile.getAbsolutePath();
String pid = String.valueOf(android.os.Process.myPid());
String[] cmd = {torPath, "-f", configPath, OWNER, pid};
String[] env = {"HOME=" + torDirectory.getAbsolutePath()};
Process torProcess;
try {
torProcess = Runtime.getRuntime().exec(cmd, env, torDirectory);
} catch (SecurityException | IOException e) {
throw new PluginException(e);
}
// Log the process's standard output until it detaches
if (LOG.isLoggable(INFO)) {
Scanner stdout = new Scanner(torProcess.getInputStream());
while (stdout.hasNextLine()) LOG.info(stdout.nextLine());
stdout.close();
}
try {
// Wait for the process to detach or exit
int exit = torProcess.waitFor();
if (exit != 0) {
if (LOG.isLoggable(WARNING))
LOG.warning("Tor exited with value " + exit);
throw new PluginException();
}
// Wait for the auth cookie file to be created/updated
if (!latch.await(COOKIE_TIMEOUT, MILLISECONDS)) {
LOG.warning("Auth cookie not created");
if (LOG.isLoggable(INFO)) listFiles(torDirectory);
throw new PluginException();
}
} catch (InterruptedException e) {
LOG.warning("Interrupted while starting Tor");
Thread.currentThread().interrupt();
throw new PluginException();
}
try {
// Open a control connection and authenticate using the cookie file
controlSocket = new Socket("127.0.0.1", CONTROL_PORT);
controlConnection = new TorControlConnection(controlSocket);
controlConnection.authenticate(read(cookieFile));
// Tell Tor to exit when the control connection is closed
controlConnection.takeOwnership();
controlConnection.resetConf(Collections.singletonList(OWNER));
running = true;
// Register to receive events from the Tor process
controlConnection.setEventHandler(this);
controlConnection.setEvents(Arrays.asList(EVENTS));
// Check whether Tor has already bootstrapped
String phase = controlConnection.getInfo("status/bootstrap-phase");
if (phase != null && phase.contains("PROGRESS=100")) {
LOG.info("Tor has already bootstrapped");
connectionStatus.setBootstrapped();
}
} catch (IOException e) {
throw new PluginException(e);
}
// Register to receive network status events
networkStateReceiver = new NetworkStateReceiver();
IntentFilter filter = new IntentFilter(CONNECTIVITY_ACTION);
appContext.registerReceiver(networkStateReceiver, filter);
// Bind a server socket to receive incoming hidden service connections
bind();
}
private boolean assetsAreUpToDate() {
try {
PackageManager pm = appContext.getPackageManager();
PackageInfo pi = pm.getPackageInfo(appContext.getPackageName(), 0);
return doneFile.lastModified() > pi.lastUpdateTime;
} catch (NameNotFoundException e) {
throw new RuntimeException(e);
}
}
private void installAssets() throws PluginException {
InputStream in = null;
OutputStream out = null;
try {
doneFile.delete();
// Unzip the Tor binary to the filesystem
in = getTorInputStream();
out = new FileOutputStream(torFile);
IoUtils.copyAndClose(in, out);
// Make the Tor binary executable
if (!torFile.setExecutable(true, true)) throw new IOException();
// Unzip the GeoIP database to the filesystem
in = getGeoIpInputStream();
out = new FileOutputStream(geoIpFile);
IoUtils.copyAndClose(in, out);
// Copy the config file to the filesystem
in = getConfigInputStream();
out = new FileOutputStream(configFile);
IoUtils.copyAndClose(in, out);
doneFile.createNewFile();
} catch (IOException e) {
tryToClose(in);
tryToClose(out);
throw new PluginException(e);
}
}
private InputStream getTorInputStream() throws IOException {
if (LOG.isLoggable(INFO))
LOG.info("Installing Tor binary for " + architecture);
int resId = getResourceId("tor_" + architecture);
InputStream in = appContext.getResources().openRawResource(resId);
ZipInputStream zin = new ZipInputStream(in);
if (zin.getNextEntry() == null) throw new IOException();
return zin;
}
private InputStream getGeoIpInputStream() throws IOException {
int resId = getResourceId("geoip");
InputStream in = appContext.getResources().openRawResource(resId);
ZipInputStream zin = new ZipInputStream(in);
if (zin.getNextEntry() == null) throw new IOException();
return zin;
}
private InputStream getConfigInputStream() throws IOException {
int resId = getResourceId("torrc");
return appContext.getResources().openRawResource(resId);
}
private int getResourceId(String filename) {
Resources res = appContext.getResources();
return res.getIdentifier(filename, "raw", appContext.getPackageName());
}
private void tryToClose(@Nullable Closeable c) {
try {
if (c != null) c.close();
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
}
}
private void tryToClose(@Nullable Socket s) {
try {
if (s != null) s.close();
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
}
}
private void listFiles(File f) {
if (f.isDirectory()) {
File[] children = f.listFiles();
if (children != null) for (File child : children) listFiles(child);
} else {
LOG.info(f.getAbsolutePath());
}
}
private byte[] read(File f) throws IOException {
byte[] b = new byte[(int) f.length()];
FileInputStream in = new FileInputStream(f);
try {
int offset = 0;
while (offset < b.length) {
int read = in.read(b, offset, b.length - offset);
if (read == -1) throw new EOFException();
offset += read;
}
return b;
} finally {
tryToClose(in);
}
}
private void sendDevReports() {
ioExecutor.execute(new Runnable() {
@Override
public void run() {
// TODO: Trigger this with a TransportEnabledEvent
File reportDir = AndroidUtils.getReportDir(appContext);
reporter.sendReports(reportDir);
}
});
}
private void bind() {
ioExecutor.execute(new Runnable() {
@Override
public void run() {
// If there's already a port number stored in config, reuse it
String portString = callback.getSettings().get("port");
int port;
if (StringUtils.isNullOrEmpty(portString)) port = 0;
else port = Integer.parseInt(portString);
// Bind a server socket to receive connections from Tor
ServerSocket ss = null;
try {
ss = new ServerSocket();
ss.bind(new InetSocketAddress("127.0.0.1", port));
} catch (IOException e) {
if (LOG.isLoggable(WARNING))
LOG.log(WARNING, e.toString(), e);
tryToClose(ss);
return;
}
if (!running) {
tryToClose(ss);
return;
}
socket = ss;
// Store the port number
final String localPort = String.valueOf(ss.getLocalPort());
Settings s = new Settings();
s.put("port", localPort);
callback.mergeSettings(s);
// Create a hidden service if necessary
ioExecutor.execute(new Runnable() {
@Override
public void run() {
publishHiddenService(localPort);
}
});
backoff.reset();
// Accept incoming hidden service connections from Tor
acceptContactConnections(ss);
}
});
}
private void tryToClose(@Nullable ServerSocket ss) {
try {
if (ss != null) ss.close();
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
} finally {
callback.transportDisabled();
}
}
private void publishHiddenService(String port) {
if (!running) return;
LOG.info("Creating hidden service");
String privKey = callback.getSettings().get(HS_PRIVKEY);
Map<Integer, String> portLines =
Collections.singletonMap(80, "127.0.0.1:" + port);
Map<String, String> response;
try {
// Use the control connection to set up the hidden service
if (privKey == null)
response = controlConnection.addOnion(portLines);
else response = controlConnection.addOnion(privKey, portLines);
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
return;
}
if (!response.containsKey(HS_ADDRESS)) {
LOG.warning("Tor did not return a hidden service address");
return;
}
if (privKey == null && !response.containsKey(HS_PRIVKEY)) {
LOG.warning("Tor did not return a private key");
return;
}
// Publish the hidden service's onion hostname in transport properties
String hostname = response.get(HS_ADDRESS);
if (LOG.isLoggable(INFO))
LOG.info("Hidden service " + scrubOnion(hostname));
TransportProperties p = new TransportProperties();
p.put(PROP_ONION, hostname);
callback.mergeLocalProperties(p);
if (privKey == null) {
// Save the hidden service's private key for next time
Settings s = new Settings();
s.put(HS_PRIVKEY, response.get(HS_PRIVKEY));
callback.mergeSettings(s);
}
}
private void acceptContactConnections(ServerSocket ss) {
while (running) {
Socket s;
try {
s = ss.accept();
s.setSoTimeout(socketTimeout);
} catch (IOException e) {
// This is expected when the socket is closed
if (LOG.isLoggable(INFO)) LOG.info(e.toString());
return;
}
LOG.info("Connection received");
backoff.reset();
TorTransportConnection conn = new TorTransportConnection(this, s);
callback.incomingConnectionCreated(conn);
}
}
private void enableNetwork(boolean enable) throws IOException {
if (!running) return;
if (enable) wakeLock.acquire();
connectionStatus.enableNetwork(enable);
controlConnection.setConf("DisableNetwork", enable ? "0" : "1");
if (!enable) {
callback.transportDisabled();
wakeLock.release();
}
}
@Override
public void stop() throws PluginException {
running = false;
tryToClose(socket);
if (networkStateReceiver != null)
appContext.unregisterReceiver(networkStateReceiver);
if (controlSocket != null && controlConnection != null) {
try {
LOG.info("Stopping Tor");
controlConnection.setConf("DisableNetwork", "1");
controlConnection.shutdownTor("TERM");
controlSocket.close();
} catch (IOException e) {
if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
}
}
wakeLock.release();
}
@Override
public boolean isRunning() {
return running && connectionStatus.isConnected();
}
@Override
public boolean shouldPoll() {
return true;
}
@Override
public int getPollingInterval() {
return backoff.getPollingInterval();
}
@Override
public void poll(Collection<ContactId> connected) {
if (!isRunning()) return;
backoff.increment();
// TODO: Pass properties to connectAndCallBack()
for (ContactId c : callback.getRemoteProperties().keySet())
if (!connected.contains(c)) connectAndCallBack(c);
}
private void connectAndCallBack(final ContactId c) {
ioExecutor.execute(new Runnable() {
@Override
public void run() {
DuplexTransportConnection d = createConnection(c);
if (d != null) {
backoff.reset();
callback.outgoingConnectionCreated(c, d);
}
}
});
}
@Override
public DuplexTransportConnection createConnection(ContactId c) {
if (!isRunning()) return null;
TransportProperties p = callback.getRemoteProperties().get(c);
if (p == null) return null;
String onion = p.get(PROP_ONION);
if (StringUtils.isNullOrEmpty(onion)) return null;
if (!ONION.matcher(onion).matches()) {
// not scrubbing this address, so we are able to find the problem
if (LOG.isLoggable(INFO)) LOG.info("Invalid hostname: " + onion);
return null;
}
Socket s = null;
try {
if (LOG.isLoggable(INFO))
LOG.info("Connecting to " + scrubOnion(onion));
controlConnection.forgetHiddenService(onion);
s = torSocketFactory.createSocket(onion + ".onion", 80);
s.setSoTimeout(socketTimeout);
if (LOG.isLoggable(INFO))
LOG.info("Connected to " + scrubOnion(onion));
return new TorTransportConnection(this, s);
} catch (IOException e) {
if (LOG.isLoggable(INFO)) {
LOG.info("Could not connect to " + scrubOnion(onion) + ": " +
e.toString());
}
tryToClose(s);
return null;
}
}
@Override
public boolean supportsInvitations() {
return false;
}
@Override
public DuplexTransportConnection createInvitationConnection(PseudoRandom r,
long timeout, boolean alice) {
throw new UnsupportedOperationException();
}
@Override
public boolean supportsKeyAgreement() {
return false;
}
@Override
public KeyAgreementListener createKeyAgreementListener(byte[] commitment) {
throw new UnsupportedOperationException();
}
@Override
public DuplexTransportConnection createKeyAgreementConnection(
byte[] commitment, BdfList descriptor, long timeout) {
throw new UnsupportedOperationException();
}
@Override
public void circuitStatus(String status, String id, String path) {
if (status.equals("BUILT") &&
connectionStatus.getAndSetCircuitBuilt()) {
LOG.info("First circuit built");
backoff.reset();
if (isRunning()) {
sendDevReports();
callback.transportEnabled();
}
}
}
@Override
public void streamStatus(String status, String id, String target) {
}
@Override
public void orConnStatus(String status, String orName) {
if (LOG.isLoggable(INFO)) LOG.info("OR connection " + status);
}
@Override
public void bandwidthUsed(long read, long written) {
}
@Override
public void newDescriptors(List<String> orList) {
}
@Override
public void message(String severity, String msg) {
if (LOG.isLoggable(INFO)) LOG.info(severity + " " + msg);
if (severity.equals("NOTICE") && msg.startsWith("Bootstrapped 100%")) {
connectionStatus.setBootstrapped();
backoff.reset();
if (isRunning()) {
sendDevReports();
callback.transportEnabled();
}
}
}
@Override
public void unrecognized(String type, String msg) {
if (type.equals("HS_DESC") && msg.startsWith("UPLOADED"))
LOG.info("Descriptor uploaded");
}
private static class WriteObserver extends FileObserver {
private final CountDownLatch latch;
private WriteObserver(File file, CountDownLatch latch) {
super(file.getAbsolutePath(), CLOSE_WRITE);
this.latch = latch;
}
@Override
public void onEvent(int event, String path) {
stopWatching();
latch.countDown();
}
}
@Override
public void eventOccurred(Event e) {
if (e instanceof SettingsUpdatedEvent) {
if (((SettingsUpdatedEvent) e).getNamespace().equals("tor")) {
LOG.info("Tor settings updated");
updateConnectionStatus();
}
}
}
private void updateConnectionStatus() {
ioExecutor.execute(new Runnable() {
@Override
public void run() {
if (!running) return;
Object o = appContext.getSystemService(CONNECTIVITY_SERVICE);
ConnectivityManager cm = (ConnectivityManager) o;
NetworkInfo net = cm.getActiveNetworkInfo();
boolean online = net != null && net.isConnected();
boolean wifi = online && net.getType() == TYPE_WIFI;
String country = locationUtils.getCurrentCountry();
boolean blocked = TorNetworkMetadata.isTorProbablyBlocked(
country);
Settings s = callback.getSettings();
boolean useMobileData = s.getBoolean("torOverMobile", true);
if (LOG.isLoggable(INFO)) {
LOG.info("Online: " + online + ", wifi: " + wifi);
if ("".equals(country)) LOG.info("Country code unknown");
else LOG.info("Country code: " + country);
}
try {
if (!online) {
LOG.info("Disabling network, device is offline");
enableNetwork(false);
} else if (blocked) {
LOG.info("Disabling network, country is blocked");
enableNetwork(false);
} else if (!wifi && !useMobileData) {
LOG.info("Disabling network due to data setting");
enableNetwork(false);
} else {
LOG.info("Enabling network");
enableNetwork(true);
}
} catch (IOException e) {
if (LOG.isLoggable(WARNING))
LOG.log(WARNING, e.toString(), e);
}
}
});
}
private class NetworkStateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context ctx, Intent i) {
if (!running) return;
if (CONNECTIVITY_ACTION.equals(i.getAction())) {
LOG.info("Detected connectivity change");
updateConnectionStatus();
}
}
}
private static class ConnectionStatus {
// All of the following are locking: this
private boolean networkEnabled = false;
private boolean bootstrapped = false, circuitBuilt = false;
private synchronized void setBootstrapped() {
bootstrapped = true;
}
private synchronized boolean getAndSetCircuitBuilt() {
boolean firstCircuit = !circuitBuilt;
circuitBuilt = true;
return firstCircuit;
}
private synchronized void enableNetwork(boolean enable) {
networkEnabled = enable;
circuitBuilt = false;
}
private synchronized boolean isConnected() {
return networkEnabled && bootstrapped && circuitBuilt;
}
}
}

View File

@@ -3,9 +3,7 @@ package org.briarproject.bramble.plugin.tor;
import android.content.Context;
import android.os.Build;
import org.briarproject.bramble.api.battery.BatteryManager;
import org.briarproject.bramble.api.event.EventBus;
import org.briarproject.bramble.api.network.NetworkManager;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.Backoff;
import org.briarproject.bramble.api.plugin.BackoffFactory;
@@ -14,13 +12,11 @@ import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.plugin.duplex.DuplexPlugin;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginCallback;
import org.briarproject.bramble.api.plugin.duplex.DuplexPluginFactory;
import org.briarproject.bramble.api.system.Clock;
import org.briarproject.bramble.api.reporting.DevReporter;
import org.briarproject.bramble.api.system.LocationUtils;
import org.briarproject.bramble.api.system.ResourceProvider;
import org.briarproject.bramble.util.AndroidUtils;
import java.util.concurrent.Executor;
import java.util.concurrent.ScheduledExecutorService;
import java.util.logging.Logger;
import javax.annotation.concurrent.Immutable;
@@ -28,10 +24,10 @@ import javax.net.SocketFactory;
@Immutable
@NotNullByDefault
public class AndroidTorPluginFactory implements DuplexPluginFactory {
public class TorPluginFactory implements DuplexPluginFactory {
private static final Logger LOG =
Logger.getLogger(AndroidTorPluginFactory.class.getName());
Logger.getLogger(TorPluginFactory.class.getName());
private static final int MAX_LATENCY = 30 * 1000; // 30 seconds
private static final int MAX_IDLE_TIME = 30 * 1000; // 30 seconds
@@ -40,37 +36,24 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
private static final double BACKOFF_BASE = 1.2;
private final Executor ioExecutor;
private final ScheduledExecutorService scheduler;
private final Context appContext;
private final NetworkManager networkManager;
private final LocationUtils locationUtils;
private final DevReporter reporter;
private final EventBus eventBus;
private final SocketFactory torSocketFactory;
private final BackoffFactory backoffFactory;
private final ResourceProvider resourceProvider;
private final CircumventionProvider circumventionProvider;
private final BatteryManager batteryManager;
private final Clock clock;
public AndroidTorPluginFactory(Executor ioExecutor,
ScheduledExecutorService scheduler, Context appContext,
NetworkManager networkManager, LocationUtils locationUtils,
public TorPluginFactory(Executor ioExecutor, Context appContext,
LocationUtils locationUtils, DevReporter reporter,
EventBus eventBus, SocketFactory torSocketFactory,
BackoffFactory backoffFactory, ResourceProvider resourceProvider,
CircumventionProvider circumventionProvider,
BatteryManager batteryManager, Clock clock) {
BackoffFactory backoffFactory) {
this.ioExecutor = ioExecutor;
this.scheduler = scheduler;
this.appContext = appContext;
this.networkManager = networkManager;
this.locationUtils = locationUtils;
this.reporter = reporter;
this.eventBus = eventBus;
this.torSocketFactory = torSocketFactory;
this.backoffFactory = backoffFactory;
this.resourceProvider = resourceProvider;
this.circumventionProvider = circumventionProvider;
this.batteryManager = batteryManager;
this.clock = clock;
}
@Override
@@ -106,10 +89,9 @@ public class AndroidTorPluginFactory implements DuplexPluginFactory {
Backoff backoff = backoffFactory.createBackoff(MIN_POLLING_INTERVAL,
MAX_POLLING_INTERVAL, BACKOFF_BASE);
AndroidTorPlugin plugin = new AndroidTorPlugin(ioExecutor, scheduler,
appContext, networkManager, locationUtils, torSocketFactory,
clock, resourceProvider, circumventionProvider, batteryManager,
backoff, callback, architecture, MAX_LATENCY, MAX_IDLE_TIME);
TorPlugin plugin = new TorPlugin(ioExecutor, appContext, locationUtils,
reporter, torSocketFactory, backoff, callback, architecture,
MAX_LATENCY, MAX_IDLE_TIME);
eventBus.addListener(plugin);
return plugin;
}

View File

@@ -3,7 +3,6 @@ package org.briarproject.bramble.plugin.tor;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.Plugin;
import org.briarproject.bramble.api.plugin.duplex.AbstractDuplexTransportConnection;
import org.briarproject.bramble.util.IoUtils;
import java.io.IOException;
import java.io.InputStream;
@@ -22,12 +21,12 @@ class TorTransportConnection extends AbstractDuplexTransportConnection {
@Override
protected InputStream getInputStream() throws IOException {
return IoUtils.getInputStream(socket);
return socket.getInputStream();
}
@Override
protected OutputStream getOutputStream() throws IOException {
return IoUtils.getOutputStream(socket);
return socket.getOutputStream();
}
@Override

View File

@@ -27,11 +27,14 @@ class AndroidExecutorImpl implements AndroidExecutor {
@Inject
AndroidExecutorImpl(Application app) {
uiHandler = new Handler(app.getApplicationContext().getMainLooper());
loop = () -> {
Looper.prepare();
backgroundHandler = new Handler();
startLatch.countDown();
Looper.loop();
loop = new Runnable() {
@Override
public void run() {
Looper.prepare();
backgroundHandler = new Handler();
startLatch.countDown();
Looper.loop();
}
};
}

View File

@@ -1,32 +0,0 @@
package org.briarproject.bramble.system;
import android.app.Application;
import android.content.Context;
import android.content.res.Resources;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.system.ResourceProvider;
import java.io.InputStream;
import javax.inject.Inject;
@NotNullByDefault
class AndroidResourceProvider implements ResourceProvider {
private final Context appContext;
@Inject
AndroidResourceProvider(Application app) {
this.appContext = app.getApplicationContext();
}
@Override
public InputStream getResourceInputStream(String name, String extension) {
Resources res = appContext.getResources();
// extension is ignored on Android, resources are retrieved without it
int resId =
res.getIdentifier(name, "raw", appContext.getPackageName());
return res.openRawResource(resId);
}
}

View File

@@ -1,101 +0,0 @@
package org.briarproject.bramble.system;
import android.annotation.SuppressLint;
import android.app.Application;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.ContentResolver;
import android.content.Context;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.Parcel;
import android.os.StrictMode;
import android.provider.Settings;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.io.DataOutputStream;
import java.io.IOException;
import java.util.List;
import javax.annotation.concurrent.Immutable;
import javax.inject.Inject;
import static android.content.Context.WIFI_SERVICE;
import static android.provider.Settings.Secure.ANDROID_ID;
@Immutable
@NotNullByDefault
class AndroidSecureRandomProvider extends UnixSecureRandomProvider {
private static final int SEED_LENGTH = 32;
private final Context appContext;
@Inject
AndroidSecureRandomProvider(Application app) {
appContext = app.getApplicationContext();
}
@SuppressLint("HardwareIds")
@Override
protected void writeToEntropyPool(DataOutputStream out) throws IOException {
super.writeToEntropyPool(out);
out.writeInt(android.os.Process.myPid());
out.writeInt(android.os.Process.myTid());
out.writeInt(android.os.Process.myUid());
if (Build.FINGERPRINT != null) out.writeUTF(Build.FINGERPRINT);
if (Build.SERIAL != null) out.writeUTF(Build.SERIAL);
ContentResolver contentResolver = appContext.getContentResolver();
String id = Settings.Secure.getString(contentResolver, ANDROID_ID);
if (id != null) out.writeUTF(id);
Parcel parcel = Parcel.obtain();
WifiManager wm = (WifiManager) appContext.getApplicationContext()
.getSystemService(WIFI_SERVICE);
if (wm != null) {
List<WifiConfiguration> configs = wm.getConfiguredNetworks();
if (configs != null) {
for (WifiConfiguration config : configs)
parcel.writeParcelable(config, 0);
}
}
BluetoothAdapter bt = BluetoothAdapter.getDefaultAdapter();
if (bt != null) {
for (BluetoothDevice device : bt.getBondedDevices())
parcel.writeParcelable(device, 0);
}
out.write(parcel.marshall());
parcel.recycle();
}
@Override
protected void writeSeed() {
// Silence strict mode
StrictMode.ThreadPolicy tp = StrictMode.allowThreadDiskWrites();
super.writeSeed();
if (Build.VERSION.SDK_INT >= 16 && Build.VERSION.SDK_INT <= 18)
applyOpenSslFix();
StrictMode.setThreadPolicy(tp);
}
// Based on https://android-developers.googleblog.com/2013/08/some-securerandom-thoughts.html
private void applyOpenSslFix() {
byte[] seed = new UnixSecureRandomSpi().engineGenerateSeed(
SEED_LENGTH);
try {
// Seed the OpenSSL PRNG
Class.forName("org.apache.harmony.xnet.provider.jsse.NativeCrypto")
.getMethod("RAND_seed", byte[].class)
.invoke(null, (Object) seed);
// Mix the output of the Linux PRNG into the OpenSSL PRNG
int bytesRead = (Integer) Class.forName(
"org.apache.harmony.xnet.provider.jsse.NativeCrypto")
.getMethod("RAND_load_file", String.class, long.class)
.invoke(null, "/dev/urandom", 1024);
if (bytesRead != 1024) throw new IOException();
} catch (Exception e) {
throw new SecurityException(e);
}
}
}

View File

@@ -0,0 +1,42 @@
package org.briarproject.bramble.system;
import android.app.Application;
import android.content.ContentResolver;
import android.content.Context;
import android.os.Build;
import android.provider.Settings;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.io.DataOutputStream;
import java.io.IOException;
import javax.annotation.concurrent.Immutable;
import javax.inject.Inject;
import static android.provider.Settings.Secure.ANDROID_ID;
@Immutable
@NotNullByDefault
class AndroidSeedProvider extends LinuxSeedProvider {
private final Context appContext;
@Inject
AndroidSeedProvider(Application app) {
appContext = app.getApplicationContext();
}
@Override
void writeToEntropyPool(DataOutputStream out) throws IOException {
out.writeInt(android.os.Process.myPid());
out.writeInt(android.os.Process.myTid());
out.writeInt(android.os.Process.myUid());
if (Build.FINGERPRINT != null) out.writeUTF(Build.FINGERPRINT);
if (Build.SERIAL != null) out.writeUTF(Build.SERIAL);
ContentResolver contentResolver = appContext.getContentResolver();
String id = Settings.Secure.getString(contentResolver, ANDROID_ID);
if (id != null) out.writeUTF(id);
super.writeToEntropyPool(out);
}
}

View File

@@ -1,9 +1,10 @@
package org.briarproject.bramble.system;
import android.app.Application;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.api.system.LocationUtils;
import org.briarproject.bramble.api.system.ResourceProvider;
import org.briarproject.bramble.api.system.SecureRandomProvider;
import org.briarproject.bramble.api.system.SeedProvider;
import javax.inject.Singleton;
@@ -15,26 +16,18 @@ public class AndroidSystemModule {
@Provides
@Singleton
SecureRandomProvider provideSecureRandomProvider(
AndroidSecureRandomProvider provider) {
return provider;
SeedProvider provideSeedProvider(Application app) {
return new AndroidSeedProvider(app);
}
@Provides
LocationUtils provideLocationUtils(AndroidLocationUtils locationUtils) {
return locationUtils;
LocationUtils provideLocationUtils(Application app) {
return new AndroidLocationUtils(app);
}
@Provides
@Singleton
AndroidExecutor provideAndroidExecutor(
AndroidExecutorImpl androidExecutor) {
return androidExecutor;
}
@Provides
@Singleton
ResourceProvider provideResourceProvider(AndroidResourceProvider provider) {
return provider;
AndroidExecutor provideAndroidExecutor(Application app) {
return new AndroidExecutorImpl(app);
}
}

View File

@@ -1,6 +1,5 @@
package org.briarproject.bramble.util;
import android.annotation.SuppressLint;
import android.bluetooth.BluetoothAdapter;
import android.content.Context;
import android.os.Build;
@@ -13,7 +12,6 @@ import java.util.Collection;
import java.util.List;
import static android.content.Context.MODE_PRIVATE;
import static android.os.Build.VERSION.SDK_INT;
public class AndroidUtils {
@@ -25,7 +23,7 @@ public class AndroidUtils {
@SuppressWarnings("deprecation")
public static Collection<String> getSupportedArchitectures() {
List<String> abis = new ArrayList<>();
if (SDK_INT >= 21) {
if (Build.VERSION.SDK_INT >= 21) {
abis.addAll(Arrays.asList(Build.SUPPORTED_ABIS));
} else {
abis.add(Build.CPU_ABI);
@@ -37,7 +35,6 @@ public class AndroidUtils {
public static String getBluetoothAddress(Context ctx,
BluetoothAdapter adapter) {
// Return the adapter's address if it's valid and not fake
@SuppressLint("HardwareIds")
String address = adapter.getAddress();
if (isValidBluetoothAddress(address)) return address;
// Return the address from settings if it's valid and not fake
@@ -54,6 +51,19 @@ public class AndroidUtils {
&& !address.equals(FAKE_BLUETOOTH_ADDRESS);
}
public static void deleteAppData(Context ctx) {
File dataDir = new File(ctx.getApplicationInfo().dataDir);
File[] children = dataDir.listFiles();
if (children != null) {
for (File child : children) {
if (!child.getName().equals("lib"))
IoUtils.deleteFileOrDir(child);
}
}
// Recreate the cache dir as some OpenGL drivers expect it to exist
new File(dataDir, "cache").mkdir();
}
public static File getReportDir(Context ctx) {
return ctx.getDir(STORED_REPORTS, MODE_PRIVATE);
}

View File

@@ -1,100 +0,0 @@
package org.briarproject.bramble.util;
import android.os.PowerManager;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;
import javax.annotation.Nullable;
import javax.annotation.concurrent.ThreadSafe;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.logging.Level.INFO;
@ThreadSafe
@NotNullByDefault
public class RenewableWakeLock {
private static final Logger LOG =
Logger.getLogger(RenewableWakeLock.class.getName());
/**
* Automatically release the lock this many milliseconds after it's due
* to have been replaced and released.
*/
private static final int SAFETY_MARGIN_MS = 10_000;
private final PowerManager powerManager;
private final ScheduledExecutorService scheduler;
private final int levelAndFlags;
private final String tag;
private final long durationMs;
private final Runnable renewTask;
private final Object lock = new Object();
@Nullable
private PowerManager.WakeLock wakeLock; // Locking: lock
@Nullable
private ScheduledFuture future; // Locking: lock
public RenewableWakeLock(PowerManager powerManager,
ScheduledExecutorService scheduler, int levelAndFlags, String tag,
long duration, TimeUnit timeUnit) {
this.powerManager = powerManager;
this.scheduler = scheduler;
this.levelAndFlags = levelAndFlags;
this.tag = tag;
durationMs = MILLISECONDS.convert(duration, timeUnit);
renewTask = this::renew;
}
public void acquire() {
if (LOG.isLoggable(INFO)) LOG.info("Acquiring wake lock " + tag);
synchronized (lock) {
if (wakeLock != null) {
LOG.info("Already acquired");
return;
}
wakeLock = powerManager.newWakeLock(levelAndFlags, tag);
wakeLock.setReferenceCounted(false);
wakeLock.acquire(durationMs + SAFETY_MARGIN_MS);
future = scheduler.schedule(renewTask, durationMs, MILLISECONDS);
}
}
private void renew() {
if (LOG.isLoggable(INFO)) LOG.info("Renewing wake lock " + tag);
synchronized (lock) {
if (wakeLock == null) {
LOG.info("Already released");
return;
}
PowerManager.WakeLock oldWakeLock = wakeLock;
wakeLock = powerManager.newWakeLock(levelAndFlags, tag);
wakeLock.setReferenceCounted(false);
wakeLock.acquire(durationMs + SAFETY_MARGIN_MS);
oldWakeLock.release();
future = scheduler.schedule(renewTask, durationMs, MILLISECONDS);
}
}
public void release() {
if (LOG.isLoggable(INFO)) LOG.info("Releasing wake lock " + tag);
synchronized (lock) {
if (wakeLock == null) {
LOG.info("Already released");
return;
}
if (future == null) throw new AssertionError();
future.cancel(false);
future = null;
wakeLock.release();
wakeLock = null;
}
}
}

View File

@@ -1,174 +0,0 @@
package org.briarproject.bramble.account;
import android.app.Application;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import org.briarproject.bramble.api.crypto.CryptoComponent;
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.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertFalse;
import static junit.framework.Assert.assertTrue;
import static org.briarproject.bramble.test.TestUtils.deleteTestDirectory;
import static org.briarproject.bramble.test.TestUtils.getRandomBytes;
import static org.briarproject.bramble.test.TestUtils.getTestDirectory;
import static org.briarproject.bramble.util.StringUtils.toHexString;
public class AndroidAccountManagerTest extends BrambleMockTestCase {
private final SharedPreferences prefs =
context.mock(SharedPreferences.class, "prefs");
private final SharedPreferences defaultPrefs =
context.mock(SharedPreferences.class, "defaultPrefs");
private final DatabaseConfig databaseConfig =
context.mock(DatabaseConfig.class);
private final CryptoComponent crypto = context.mock(CryptoComponent.class);
private final IdentityManager identityManager =
context.mock(IdentityManager.class);
private final SharedPreferences.Editor
editor = context.mock(SharedPreferences.Editor.class);
private final Application app;
private final ApplicationInfo applicationInfo;
private final String encryptedKeyHex = toHexString(getRandomBytes(123));
private final File testDir = getTestDirectory();
private final File keyDir = new File(testDir, "key");
private final File keyFile = new File(keyDir, "db.key");
private final File keyBackupFile = new File(keyDir, "db.key.bak");
private final File dbDir = new File(testDir, "db");
private AndroidAccountManager accountManager;
public AndroidAccountManagerTest() {
context.setImposteriser(ClassImposteriser.INSTANCE);
app = context.mock(Application.class);
applicationInfo = new ApplicationInfo();
applicationInfo.dataDir = testDir.getAbsolutePath();
}
@Before
public void setUp() {
context.checking(new Expectations() {{
allowing(databaseConfig).getDatabaseDirectory();
will(returnValue(dbDir));
allowing(databaseConfig).getDatabaseKeyDirectory();
will(returnValue(keyDir));
allowing(app).getApplicationContext();
will(returnValue(app));
}});
accountManager = new AndroidAccountManager(databaseConfig, crypto,
identityManager, prefs, app) {
@Override
SharedPreferences getDefaultSharedPreferences() {
return defaultPrefs;
}
};
}
@Test
public void testDbKeyIsMigratedFromPreferencesToFile() {
context.checking(new Expectations() {{
oneOf(prefs).getString("key", null);
will(returnValue(encryptedKeyHex));
oneOf(prefs).edit();
will(returnValue(editor));
oneOf(editor).remove("key");
will(returnValue(editor));
oneOf(editor).commit();
will(returnValue(true));
}});
assertFalse(keyFile.exists());
assertFalse(keyBackupFile.exists());
assertEquals(encryptedKeyHex,
accountManager.loadEncryptedDatabaseKey());
assertTrue(keyFile.exists());
assertTrue(keyBackupFile.exists());
}
@Test
public void testDeleteAccountClearsSharedPrefsAndDeletesFiles()
throws Exception {
// Directories 'lib' and 'shared_prefs' should be spared
File libDir = new File(testDir, "lib");
File libFile = new File(libDir, "file");
File sharedPrefsDir = new File(testDir, "shared_prefs");
File sharedPrefsFile = new File(sharedPrefsDir, "file");
// Directory 'cache' should be emptied
File cacheDir = new File(testDir, "cache");
File cacheFile = new File(cacheDir, "file");
// Other directories should be deleted
File potatoDir = new File(testDir, ".potato");
File potatoFile = new File(potatoDir, "file");
File filesDir = new File(testDir, "filesDir");
File externalCacheDir = new File(testDir, "externalCacheDir");
context.checking(new Expectations() {{
oneOf(prefs).edit();
will(returnValue(editor));
oneOf(editor).clear();
will(returnValue(editor));
oneOf(editor).commit();
will(returnValue(true));
oneOf(defaultPrefs).edit();
will(returnValue(editor));
oneOf(editor).clear();
will(returnValue(editor));
oneOf(editor).commit();
will(returnValue(true));
oneOf(app).getApplicationInfo();
will(returnValue(applicationInfo));
oneOf(app).getFilesDir();
will(returnValue(filesDir));
oneOf(app).getCacheDir();
will(returnValue(cacheDir));
oneOf(app).getExternalCacheDir();
will(returnValue(externalCacheDir));
}});
assertTrue(dbDir.mkdirs());
assertTrue(keyDir.mkdirs());
assertTrue(libDir.mkdirs());
assertTrue(libFile.createNewFile());
assertTrue(sharedPrefsDir.mkdirs());
assertTrue(sharedPrefsFile.createNewFile());
assertTrue(cacheDir.mkdirs());
assertTrue(cacheFile.createNewFile());
assertTrue(potatoDir.mkdirs());
assertTrue(potatoFile.createNewFile());
assertTrue(filesDir.mkdirs());
assertTrue(externalCacheDir.mkdirs());
accountManager.deleteAccount();
assertFalse(dbDir.exists());
assertFalse(keyDir.exists());
assertTrue(libDir.exists());
assertTrue(libFile.exists());
assertTrue(sharedPrefsDir.exists());
assertTrue(sharedPrefsFile.exists());
assertTrue(cacheDir.exists());
assertFalse(cacheFile.exists());
assertFalse(potatoDir.exists());
assertFalse(potatoFile.exists());
assertFalse(filesDir.exists());
assertFalse(externalCacheDir.exists());
}
@After
public void tearDown() {
deleteTestDirectory(testDir);
}
}

View File

@@ -1,101 +0,0 @@
dependencyVerification {
verify = [
'cglib:cglib:3.2.0:cglib-3.2.0.jar:adb13bab79712ad6bdf1bd59f2a3918018a8016e722e8a357065afb9e6690861',
'com.android.tools.analytics-library:protos:26.3.2:protos-26.3.2.jar:50238fb4298b297217b184b9cd93c14f83536fcee829eb0ca850bdb5b53251f0',
'com.android.tools.analytics-library:shared:26.3.2:shared-26.3.2.jar:ddd80dcf21905018b7c0583ba72b7282f446084d4952422609a09fbf8237ef71',
'com.android.tools.analytics-library:tracker:26.3.2:tracker-26.3.2.jar:28c575d2d1af003e96d7b375a668ee10b2673a2dd0f6438750aa8c3b42e7d0ad',
'com.android.tools.build:aapt2:3.3.2-5309881:aapt2-3.3.2-5309881-linux.jar:9beead7e8b1057359049f450538aadcd3eb2a5bc3fbdd5e3296cb8fdc2a22412',
'com.android.tools.build:apksig:3.3.2:apksig-3.3.2.jar:84c4aaa20127c6c1fe6bdd334b3f5df71f54ad080be9029c8a10f43b6a908acd',
'com.android.tools.build:apkzlib:3.3.2:apkzlib-3.3.2.jar:d34e523278e5dff565eba3ef3c089d515b2b5cc7b47dc77e2f3465e5e47176ac',
'com.android.tools.build:builder-model:3.3.2:builder-model-3.3.2.jar:055e3db0ecee9e06b9f024034999a29cd92cb1885207b37542126bd8bcc57f46',
'com.android.tools.build:builder-test-api:3.3.2:builder-test-api-3.3.2.jar:0b2e4cd7615bbcad14a3c91fe45ae26693508d06e40ba06c5968b8bc24416618',
'com.android.tools.build:builder:3.3.2:builder-3.3.2.jar:65649704da7aef0487235fd326f0f2e99ed5cf958e80f204496e6e08a42bd9f5',
'com.android.tools.build:gradle-api:3.3.2:gradle-api-3.3.2.jar:3cbd47e41bb70330dd72ec2c9fe51e6173554b484a03829b5a2de9e00841e040',
'com.android.tools.build:manifest-merger:26.3.2:manifest-merger-26.3.2.jar:05c4a6d8b02fb9f08744876477d0a68547c03a8a9069b1f086684fa04af97c33',
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'com.android.tools.external.com-intellij:intellij-core:26.3.2:intellij-core-26.3.2.jar:6c5ecc968230e9f4dcd0fef28885379feace1f0cd8130de6f61d649c86139bf3',
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'com.google.code.findbugs:jsr305:1.3.9:jsr305-1.3.9.jar:905721a0eea90a81534abb7ee6ef4ea2e5e645fa1def0a5cd88402df1b46c9ed',
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'com.google.dagger:dagger:2.19:dagger-2.19.jar:514b6f1e0727c6572e1d65cb27e4ae668b7aeaeb93a29515182965265b609939',
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'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:0.0.9:obfs4proxy-android-0.0.9.zip:9b7e9181535ea8d8bbe8ae6338e08cf4c5fc1e357a779393e0ce49586d459ae0',
'org.briarproject:tor-android:0.3.5.8:tor-android-0.3.5.8.zip:42a13a6f185be1a62f42e3f30ce66a3c099ac5ec890a65e7593111b65b44a54a',
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'org.jetbrains:annotations:13.0:annotations-13.0.jar:ace2a10dc8e2d5fd34925ecac03e4988b2c0f851650c94b8cef49ba1bd111478',
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'org.jmock:jmock-legacy:2.8.2:jmock-legacy-2.8.2.jar:f2b985a5c08a9edb7f37612330c058809da3f6a6d63ce792426ebf8ff0d6d31b',
'org.jmock:jmock-testjar:2.8.2:jmock-testjar-2.8.2.jar:8900860f72c474e027cf97fe78dcbf154a1aa7fc62b6845c5fb4e4f3c7bc8760',
'org.jmock:jmock:2.8.2:jmock-2.8.2.jar:6c73cb4a2e6dbfb61fd99c9a768539c170ab6568e57846bd60dbf19596b65b16',
'org.jvnet.staxex:stax-ex:1.7.7:stax-ex-1.7.7.jar:a31ff7d77163c0deb09e7fee59ad35ae44c2cee2cc8552a116ccd1583d813fb4',
'org.objenesis:objenesis:2.1:objenesis-2.1.jar:c74330cc6b806c804fd37e74487b4fe5d7c2750c5e15fbc6efa13bdee1bdef80',
'org.ow2.asm:asm-analysis:6.0:asm-analysis-6.0.jar:2f1a6387219c3a6cc4856481f221b03bd9f2408a326d416af09af5d6f608c1f4',
'org.ow2.asm:asm-commons:6.0:asm-commons-6.0.jar:f1bce5c648a96a017bdcd01fe5d59af9845297fd7b79b81c015a6fbbd9719abf',
'org.ow2.asm:asm-tree:6.0:asm-tree-6.0.jar:887998fb69727c8759e4d253f856822801e33f9fd4caa566b3ac58ee92106215',
'org.ow2.asm:asm-util:6.0:asm-util-6.0.jar:356afebdb0f870175262e5188f8709a3b17aa2a5a6a4b0340b04d4b449bca5f6',
'org.ow2.asm:asm:5.0.4:asm-5.0.4.jar:896618ed8ae62702521a78bc7be42b7c491a08e6920a15f89a3ecdec31e9a220',
'org.ow2.asm:asm:6.0:asm-6.0.jar:dd8971c74a4e697899a8e95caae4ea8760ea6c486dc6b97b1795e75760420461',
]
}

View File

@@ -1,21 +1,31 @@
apply plugin: 'java-library'
sourceCompatibility = 1.8
targetCompatibility = 1.8
apply plugin: 'java'
sourceCompatibility = 1.6
targetCompatibility = 1.6
apply plugin: 'ru.vyarus.animalsniffer'
apply plugin: 'witness'
apply from: 'witness.gradle'
dependencies {
implementation "com.google.dagger:dagger:2.19"
implementation 'com.google.code.findbugs:jsr305:3.0.2'
compile "com.google.dagger:dagger:2.0.2"
compile 'com.google.dagger:dagger-compiler:2.0.2'
compile 'com.google.code.findbugs:jsr305:3.0.1'
testImplementation 'junit:junit:4.12'
testImplementation "org.jmock:jmock:2.8.2"
testImplementation "org.jmock:jmock-junit4:2.8.2"
testImplementation "org.jmock:jmock-legacy:2.8.2"
testCompile 'junit:junit:4.12'
testCompile "org.jmock:jmock:2.8.1"
testCompile "org.jmock:jmock-junit4:2.8.1"
testCompile "org.jmock:jmock-legacy:2.8.1"
testCompile "org.hamcrest:hamcrest-library:1.3"
testCompile "org.hamcrest:hamcrest-core:1.3"
}
signature 'org.codehaus.mojo.signature:java16:1.1@signature'
dependencyVerification {
verify = [
'com.google.dagger:dagger:84c0282ed8be73a29e0475d639da030b55dee72369e58dd35ae7d4fe6243dcf9',
'com.google.dagger:dagger-compiler:b74bc9de063dd4c6400b232231f2ef5056145b8fbecbf5382012007dd1c071b3',
'com.google.code.findbugs:jsr305:c885ce34249682bc0236b4a7d56efcc12048e6135a5baf7a9cde8ad8cda13fcd',
'javax.inject:javax.inject:91c77044a50c481636c32d916fd89c9118a72195390452c81065080f957de7ff',
'com.google.dagger:dagger-producers:99ec15e8a0507ba569e7655bc1165ee5e5ca5aa914b3c8f7e2c2458f724edd6b',
'com.google.guava:guava:d664fbfc03d2e5ce9cab2a44fb01f1d0bf9dfebeccc1a473b1f9ea31f79f6f99',
]
}
// needed to make test output available to bramble-core and briar-core

View File

@@ -1,7 +1,6 @@
package org.briarproject.bramble.api;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.util.StringUtils;
import java.util.Arrays;
import java.util.Comparator;
@@ -54,12 +53,6 @@ public class Bytes implements Comparable<Bytes> {
return aBytes.length - bBytes.length;
}
@Override
public String toString() {
return getClass().getSimpleName() +
"(" + StringUtils.toHexString(getBytes()) + ")";
}
public static class BytesComparator implements Comparator<Bytes> {
@Override

View File

@@ -1,101 +0,0 @@
package org.briarproject.bramble.api;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.Set;
import javax.annotation.concurrent.NotThreadSafe;
@NotThreadSafe
@NotNullByDefault
public class Multiset<T> {
private final Map<T, Integer> map = new HashMap<>();
private int total = 0;
/**
* Returns how many items the multiset contains in total.
*/
public int getTotal() {
return total;
}
/**
* Returns how many unique items the multiset contains.
*/
public int getUnique() {
return map.size();
}
/**
* Returns how many of the given item the multiset contains.
*/
public int getCount(T t) {
Integer count = map.get(t);
return count == null ? 0 : count;
}
/**
* Adds the given item to the multiset and returns how many of the item
* the multiset now contains.
*/
public int add(T t) {
Integer count = map.get(t);
if (count == null) count = 0;
map.put(t, count + 1);
total++;
return count + 1;
}
/**
* Removes the given item from the multiset and returns how many of the
* item the multiset now contains.
* @throws NoSuchElementException if the item is not in the multiset.
*/
public int remove(T t) {
Integer count = map.get(t);
if (count == null) throw new NoSuchElementException();
if (count == 1) map.remove(t);
else map.put(t, count - 1);
total--;
return count - 1;
}
/**
* Removes all occurrences of the given item from the multiset.
*/
public int removeAll(T t) {
Integer count = map.remove(t);
if (count == null) return 0;
total -= count;
return count;
}
/**
* Returns true if the multiset contains any occurrences of the given item.
*/
public boolean contains(T t) {
return map.containsKey(t);
}
/**
* Removes all items from the multiset.
*/
public void clear() {
map.clear();
total = 0;
}
/**
* Returns the set of unique items the multiset contains. The returned set
* is unmodifiable.
*/
public Set<T> keySet() {
return Collections.unmodifiableSet(map.keySet());
}
}

View File

@@ -1,10 +0,0 @@
package org.briarproject.bramble.api;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public interface Nameable {
String getName();
}

View File

@@ -1,26 +0,0 @@
package org.briarproject.bramble.api;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
@Immutable
@NotNullByDefault
public class Pair<A, B> {
private final A first;
private final B second;
public Pair(A first, B second) {
this.first = first;
this.second = second;
}
public A getFirst() {
return first;
}
public B getSecond() {
return second;
}
}

View File

@@ -38,18 +38,4 @@ public abstract class StringMap extends Hashtable<String, String> {
public void putInt(String key, int value) {
put(key, String.valueOf(value));
}
public long getLong(String key, long defaultValue) {
String s = get(key);
if (s == null) return defaultValue;
try {
return Long.valueOf(s);
} catch (NumberFormatException e) {
return defaultValue;
}
}
public void putLong(String key, long value) {
put(key, String.valueOf(value));
}
}

View File

@@ -1,70 +0,0 @@
package org.briarproject.bramble.api.account;
import org.briarproject.bramble.api.crypto.SecretKey;
import org.briarproject.bramble.api.identity.IdentityManager;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.Nullable;
@NotNullByDefault
public interface AccountManager {
/**
* Returns true if the manager has the database key. This will be false
* before {@link #createAccount(String, String)} or {@link #signIn(String)}
* has been called, and true after {@link #createAccount(String, String)}
* or {@link #signIn(String)} has returned true, until the process exits.
*/
boolean hasDatabaseKey();
/**
* Returns the database key if the manager has it. This will be null
* before {@link #createAccount(String, String)} or {@link #signIn(String)}
* has been called, and non-null after
* {@link #createAccount(String, String)} or {@link #signIn(String)} has
* returned true, until the process exits.
*/
@Nullable
SecretKey getDatabaseKey();
/**
* Returns true if the encrypted database key can be loaded from disk, and
* the database directory exists and is a directory.
*/
boolean accountExists();
/**
* Creates an identity with the given name and registers it with the
* {@link IdentityManager}. Creates a database key, encrypts it with the
* given password and stores it on disk.
* <p/>
* This method does not create the database directory, so
* {@link #accountExists()} will continue to return false until the
* database directory is created.
*/
boolean createAccount(String name, String password);
/**
* Deletes all account state from disk. {@link #accountExists()} will
* return false after this method returns.
*/
void deleteAccount();
/**
* Loads the encrypted database key from disk and decrypts it with the
* given password.
*
* @return true if the database key was successfully loaded and decrypted.
*/
boolean signIn(String password);
/**
* Loads the encrypted database key from disk, decrypts it with the old
* password, encrypts it with the new password, and stores it on disk,
* replacing the old key.
*
* @return true if the database key was successfully loaded, re-encrypted
* and stored.
*/
boolean changePassword(String oldPassword, String newPassword);
}

View File

@@ -1,6 +0,0 @@
package org.briarproject.bramble.api.battery;
public interface BatteryManager {
boolean isCharging();
}

View File

@@ -1,19 +0,0 @@
package org.briarproject.bramble.api.battery.event;
import org.briarproject.bramble.api.event.Event;
/**
* An event that is broadcast when the device starts or stops charging.
*/
public class BatteryEvent extends Event {
private final boolean charging;
public BatteryEvent(boolean charging) {
this.charging = charging;
}
public boolean isCharging() {
return charging;
}
}

View File

@@ -23,7 +23,7 @@ public class BdfMessageContext {
}
public BdfMessageContext(BdfDictionary dictionary) {
this(dictionary, Collections.emptyList());
this(dictionary, Collections.<MessageId>emptyList());
}
public BdfDictionary getDictionary() {

View File

@@ -9,13 +9,14 @@ import org.briarproject.bramble.api.sync.Group;
import org.briarproject.bramble.api.sync.InvalidMessageException;
import org.briarproject.bramble.api.sync.Message;
import org.briarproject.bramble.api.sync.MessageContext;
import org.briarproject.bramble.api.sync.validation.MessageValidator;
import org.briarproject.bramble.api.sync.ValidationManager.MessageValidator;
import org.briarproject.bramble.api.system.Clock;
import java.util.logging.Logger;
import javax.annotation.concurrent.Immutable;
import static org.briarproject.bramble.api.sync.SyncConstants.MESSAGE_HEADER_LENGTH;
import static org.briarproject.bramble.api.transport.TransportConstants.MAX_CLOCK_DIFFERENCE;
@Immutable
@@ -48,9 +49,14 @@ public abstract class BdfMessageValidator implements MessageValidator {
throw new InvalidMessageException(
"Timestamp is too far in the future");
}
byte[] raw = m.getRaw();
if (raw.length <= MESSAGE_HEADER_LENGTH) {
throw new InvalidMessageException("Message is too short");
}
try {
BdfList bodyList = clientHelper.toList(m.getBody());
BdfMessageContext result = validateMessage(m, g, bodyList);
BdfList body = clientHelper.toList(raw, MESSAGE_HEADER_LENGTH,
raw.length - MESSAGE_HEADER_LENGTH);
BdfMessageContext result = validateMessage(m, g, body);
Metadata meta = metadataEncoder.encode(result.getDictionary());
return new MessageContext(meta, result.getDependencies());
} catch (FormatException e) {

View File

@@ -5,10 +5,7 @@ import org.briarproject.bramble.api.data.BdfDictionary;
import org.briarproject.bramble.api.data.BdfList;
import org.briarproject.bramble.api.db.DbException;
import org.briarproject.bramble.api.db.Transaction;
import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.properties.TransportProperties;
import org.briarproject.bramble.api.sync.GroupId;
import org.briarproject.bramble.api.sync.Message;
import org.briarproject.bramble.api.sync.MessageId;
@@ -16,6 +13,8 @@ import org.briarproject.bramble.api.sync.MessageId;
import java.security.GeneralSecurityException;
import java.util.Map;
import javax.annotation.Nullable;
@NotNullByDefault
public interface ClientHelper {
@@ -30,12 +29,16 @@ public interface ClientHelper {
Message createMessageForStoringMetadata(GroupId g);
@Nullable
Message getMessage(MessageId m) throws DbException;
@Nullable
Message getMessage(Transaction txn, MessageId m) throws DbException;
@Nullable
BdfList getMessageAsList(MessageId m) throws DbException, FormatException;
@Nullable
BdfList getMessageAsList(Transaction txn, MessageId m) throws DbException,
FormatException;
@@ -84,30 +87,16 @@ public interface ClientHelper {
BdfDictionary toDictionary(byte[] b, int off, int len)
throws FormatException;
BdfDictionary toDictionary(TransportProperties transportProperties);
BdfDictionary toDictionary(Map<TransportId, TransportProperties> map);
BdfList toList(byte[] b, int off, int len) throws FormatException;
BdfList toList(byte[] b) throws FormatException;
BdfList toList(Message m) throws FormatException;
BdfList toList(Author a);
byte[] sign(String label, BdfList toSign, byte[] privateKey)
throws FormatException, GeneralSecurityException;
void verifySignature(byte[] signature, String label, BdfList signed,
byte[] publicKey) throws FormatException, GeneralSecurityException;
Author parseAndValidateAuthor(BdfList author) throws FormatException;
TransportProperties parseAndValidateTransportProperties(
BdfDictionary properties) throws FormatException;
Map<TransportId, TransportProperties> parseAndValidateTransportPropertiesMap(
BdfDictionary properties) throws FormatException;
void verifySignature(String label, byte[] sig, byte[] publicKey,
BdfList signed) throws FormatException, GeneralSecurityException;
}

View File

@@ -12,19 +12,18 @@ public interface ContactGroupFactory {
/**
* Creates a group that is not shared with any contacts.
*/
Group createLocalGroup(ClientId clientId, int majorVersion);
Group createLocalGroup(ClientId clientId);
/**
* Creates a group for the given client to share with the given contact.
*/
Group createContactGroup(ClientId clientId, int majorVersion,
Contact contact);
Group createContactGroup(ClientId clientId, Contact contact);
/**
* Creates a group for the given client to share between the given authors
* identified by their AuthorIds.
*/
Group createContactGroup(ClientId clientId, int majorVersion,
AuthorId authorId1, AuthorId authorId2);
Group createContactGroup(ClientId clientId, AuthorId authorId1,
AuthorId authorId2);
}

View File

@@ -4,12 +4,8 @@ import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.identity.AuthorId;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
import static org.briarproject.bramble.util.StringUtils.toUtf8;
@Immutable
@NotNullByDefault
public class Contact {
@@ -17,21 +13,13 @@ public class Contact {
private final ContactId id;
private final Author author;
private final AuthorId localAuthorId;
@Nullable
private final String alias;
private final boolean verified, active;
public Contact(ContactId id, Author author, AuthorId localAuthorId,
@Nullable String alias, boolean verified, boolean active) {
if (alias != null) {
int aliasLength = toUtf8(alias).length;
if (aliasLength == 0 || aliasLength > MAX_AUTHOR_NAME_LENGTH)
throw new IllegalArgumentException();
}
boolean verified, boolean active) {
this.id = id;
this.author = author;
this.localAuthorId = localAuthorId;
this.alias = alias;
this.verified = verified;
this.active = active;
}
@@ -48,11 +36,6 @@ public class Contact {
return localAuthorId;
}
@Nullable
public String getAlias() {
return alias;
}
public boolean isVerified() {
return verified;
}

View File

@@ -0,0 +1,20 @@
package org.briarproject.bramble.api.contact;
import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public interface ContactExchangeListener {
void contactExchangeSucceeded(Author remoteAuthor);
/**
* The exchange failed because the contact already exists.
*/
void duplicateContact(Author remoteAuthor);
/**
* A general failure.
*/
void contactExchangeFailed();
}

View File

@@ -12,36 +12,11 @@ import org.briarproject.bramble.api.plugin.duplex.DuplexTransportConnection;
@NotNullByDefault
public interface ContactExchangeTask {
/**
* The current version of the contact exchange protocol.
*/
byte PROTOCOL_VERSION = 1;
/**
* Label for deriving Alice's header key from the master secret.
*/
String ALICE_KEY_LABEL =
"org.briarproject.bramble.contact/ALICE_HEADER_KEY";
/**
* Label for deriving Bob's header key from the master secret.
*/
String BOB_KEY_LABEL = "org.briarproject.bramble.contact/BOB_HEADER_KEY";
/**
* Label for deriving Alice's key binding nonce from the master secret.
*/
String ALICE_NONCE_LABEL = "org.briarproject.bramble.contact/ALICE_NONCE";
/**
* Label for deriving Bob's key binding nonce from the master secret.
*/
String BOB_NONCE_LABEL = "org.briarproject.bramble.contact/BOB_NONCE";
/**
* Exchanges contact information with a remote peer.
*/
void startExchange(LocalAuthor localAuthor, SecretKey masterSecret,
void startExchange(ContactExchangeListener listener,
LocalAuthor localAuthor, SecretKey masterSecret,
DuplexTransportConnection conn, TransportId transportId,
boolean alice);
}

View File

@@ -6,7 +6,7 @@ import javax.annotation.concurrent.Immutable;
/**
* Type-safe wrapper for an integer that uniquely identifies a contact within
* the scope of the local device.
* the scope of a single node.
*/
@Immutable
@NotNullByDefault

View File

@@ -5,83 +5,38 @@ import org.briarproject.bramble.api.db.DbException;
import org.briarproject.bramble.api.db.Transaction;
import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.identity.AuthorId;
import org.briarproject.bramble.api.identity.AuthorInfo;
import org.briarproject.bramble.api.lifecycle.LifecycleManager;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.util.Collection;
import javax.annotation.Nullable;
import static org.briarproject.bramble.api.contact.PendingContact.PendingContactState.FAILED;
@NotNullByDefault
public interface ContactManager {
/**
* Registers a hook to be called whenever a contact is added or removed.
* This method should be called before
* {@link LifecycleManager#startServices(SecretKey)}.
* Registers a hook to be called whenever a contact is added.
*/
void registerContactHook(ContactHook hook);
void registerAddContactHook(AddContactHook hook);
/**
* Stores a contact associated with the given local and remote pseudonyms,
* derives and stores transport keys for each transport, and returns an ID
* for the contact.
*
* @param alice true if the local party is Alice
* Registers a hook to be called whenever a contact is removed.
*/
void registerRemoveContactHook(RemoveContactHook hook);
/**
* Stores a contact within the given transaction associated with the given
* local and remote pseudonyms, and returns an ID for the contact.
*/
ContactId addContact(Transaction txn, Author remote, AuthorId local,
SecretKey master, long timestamp, boolean alice, boolean verified,
boolean active) throws DbException;
/**
* Stores a contact associated with the given local and remote pseudonyms
* Stores a contact associated with the given local and remote pseudonyms,
* and returns an ID for the contact.
*/
ContactId addContact(Transaction txn, Author remote, AuthorId local,
boolean verified, boolean active) throws DbException;
/**
* Stores a contact associated with the given local and remote pseudonyms,
* derives and stores transport keys for each transport, and returns an ID
* for the contact.
*
* @param alice true if the local party is Alice
*/
ContactId addContact(Author remote, AuthorId local, SecretKey master,
long timestamp, boolean alice, boolean verified, boolean active)
throws DbException;
/**
* Returns the static link that needs to be sent to the contact to be added.
*/
String getRemoteContactLink();
/**
* Returns true if the given link is syntactically valid.
*/
boolean isValidRemoteContactLink(String link);
/**
* Requests a new contact to be added via the given {@code link}.
*
* @param link The link received from the contact we want to add.
* @param alias The alias the user has given this contact.
* @return A PendingContact representing the contact to be added.
*/
PendingContact addRemoteContactRequest(String link, String alias);
/**
* Returns a list of {@link PendingContact}s.
*/
Collection<PendingContact> getPendingContacts();
/**
* Removes a {@link PendingContact} that is in state {@link FAILED}.
*/
void removePendingContact(PendingContact pendingContact);
ContactId addContact(Author remote, AuthorId local,
SecretKey master, long timestamp, boolean alice, boolean verified,
boolean active) throws DbException;
/**
* Returns the contact with the given ID.
@@ -127,18 +82,6 @@ public interface ContactManager {
void setContactActive(Transaction txn, ContactId c, boolean active)
throws DbException;
/**
* Sets an alias name for the contact or unsets it if alias is null.
*/
void setContactAlias(Transaction txn, ContactId c, @Nullable String alias)
throws DbException;
/**
* Sets an alias name for the contact or unsets it if alias is null.
*/
void setContactAlias(ContactId c, @Nullable String alias)
throws DbException;
/**
* Return true if a contact with this name and public key already exists
*/
@@ -151,20 +94,11 @@ public interface ContactManager {
boolean contactExists(AuthorId remoteAuthorId, AuthorId localAuthorId)
throws DbException;
/**
* Returns the {@link AuthorInfo} for the given author.
*/
AuthorInfo getAuthorInfo(AuthorId a) throws DbException;
/**
* Returns the {@link AuthorInfo} for the given author.
*/
AuthorInfo getAuthorInfo(Transaction txn, AuthorId a) throws DbException;
interface ContactHook {
interface AddContactHook {
void addingContact(Transaction txn, Contact c) throws DbException;
}
interface RemoveContactHook {
void removingContact(Transaction txn, Contact c) throws DbException;
}
}

View File

@@ -1,54 +0,0 @@
package org.briarproject.bramble.api.contact;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
@Immutable
@NotNullByDefault
public class PendingContact {
public enum PendingContactState {
WAITING_FOR_CONNECTION,
CONNECTED,
ADDING_CONTACT,
FAILED
}
private final PendingContactId id;
private final String alias;
private final PendingContactState state;
private final long timestamp;
public PendingContact(PendingContactId id, String alias,
PendingContactState state, long timestamp) {
this.id = id;
this.alias = alias;
this.state = state;
this.timestamp = timestamp;
}
public String getAlias() {
return alias;
}
public PendingContactState getState() {
return state;
}
public long getTimestamp() {
return timestamp;
}
@Override
public int hashCode() {
return id.hashCode();
}
@Override
public boolean equals(Object o) {
return o instanceof PendingContact &&
id.equals(((PendingContact) o).id);
}
}

View File

@@ -1,11 +0,0 @@
package org.briarproject.bramble.api.contact;
import org.briarproject.bramble.api.UniqueId;
public class PendingContactId extends UniqueId {
public PendingContactId(byte[] id) {
super(id);
}
}

View File

@@ -1,9 +0,0 @@
package org.briarproject.bramble.api.contact;
/**
* Record types for the contact exchange protocol.
*/
public interface RecordTypes {
byte CONTACT_INFO = 0;
}

View File

@@ -1,32 +0,0 @@
package org.briarproject.bramble.api.contact.event;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.Nullable;
@NotNullByDefault
public class ContactExchangeFailedEvent extends Event {
@Nullable
private final Author duplicateRemoteAuthor;
public ContactExchangeFailedEvent(@Nullable Author duplicateRemoteAuthor) {
this.duplicateRemoteAuthor = duplicateRemoteAuthor;
}
public ContactExchangeFailedEvent() {
this(null);
}
@Nullable
public Author getDuplicateRemoteAuthor() {
return duplicateRemoteAuthor;
}
public boolean wasDuplicateContact() {
return duplicateRemoteAuthor != null;
}
}

View File

@@ -1,20 +0,0 @@
package org.briarproject.bramble.api.contact.event;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public class ContactExchangeSucceededEvent extends Event {
private final Author remoteAuthor;
public ContactExchangeSucceededEvent(Author remoteAuthor) {
this.remoteAuthor = remoteAuthor;
}
public Author getRemoteAuthor() {
return remoteAuthor;
}
}

View File

@@ -1,34 +0,0 @@
package org.briarproject.bramble.api.contact.event;
import org.briarproject.bramble.api.contact.PendingContact.PendingContactState;
import org.briarproject.bramble.api.contact.PendingContactId;
import org.briarproject.bramble.api.event.Event;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
/**
* An event that is broadcast when a pending contact's state is changed.
*/
@Immutable
@NotNullByDefault
public class PendingContactStateChangedEvent extends Event {
private final PendingContactId id;
private final PendingContactState state;
public PendingContactStateChangedEvent(PendingContactId id,
PendingContactState state) {
this.id = id;
this.state = state;
}
public PendingContactId getId() {
return id;
}
public PendingContactState getPendingContactState() {
return state;
}
}

View File

@@ -1,17 +1,17 @@
package org.briarproject.bramble.api.crypto;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.transport.TransportKeys;
import java.security.GeneralSecurityException;
import java.security.SecureRandom;
import javax.annotation.Nullable;
@NotNullByDefault
public interface CryptoComponent {
SecretKey generateSecretKey();
PseudoRandom getPseudoRandom(int seed1, int seed2);
SecureRandom getSecureRandom();
KeyPair generateAgreementKeyPair();
@@ -24,84 +24,162 @@ public interface CryptoComponent {
KeyParser getMessageKeyParser();
/** Generates a random invitation code. */
int generateBTInvitationCode();
/**
* Derives another secret key from the given secret key.
*
* @param label a namespaced label indicating the purpose of the derived
* key, to prevent it from being repurposed or colliding with a key derived
* for another purpose
* Derives a confirmation code from the given master secret.
* @param alice whether the code is for use by Alice or Bob.
*/
SecretKey deriveKey(String label, SecretKey k, byte[]... inputs);
int deriveBTConfirmationCode(SecretKey master, boolean alice);
/**
* Derives a stream header key from the given master secret.
* @param alice whether the key is for use by Alice or Bob.
*/
SecretKey deriveHeaderKey(SecretKey master, boolean alice);
/**
* Derives a message authentication code key from the given master secret.
* @param alice whether the key is for use by Alice or Bob.
*/
SecretKey deriveMacKey(SecretKey master, boolean alice);
/**
* Derives a nonce from the given master secret for one of the parties to
* sign.
* @param alice whether the nonce is for use by Alice or Bob.
*/
byte[] deriveSignatureNonce(SecretKey master, boolean alice);
/**
* Derives a commitment to the provided public key.
* <p/>
* Part of BQP.
*
* @param publicKey the public key
* @return the commitment to the provided public key.
*/
byte[] deriveKeyCommitment(byte[] publicKey);
/**
* Derives a common shared secret from two public keys and one of the
* corresponding private keys.
* <p/>
* Part of BQP.
*
* @param label a namespaced label indicating the purpose of this shared
* secret, to prevent it from being repurposed or colliding with a shared
* secret derived for another purpose
* @param theirPublicKey the public key of the remote party
* @param ourKeyPair the key pair of the local party
* @param theirPublicKey the ephemeral public key of the remote party
* @param ourKeyPair our ephemeral keypair
* @param alice true if ourKeyPair belongs to Alice
* @return the shared secret
* @throws GeneralSecurityException
*/
SecretKey deriveSharedSecret(String label, PublicKey theirPublicKey,
KeyPair ourKeyPair, byte[]... inputs)
throws GeneralSecurityException;
SecretKey deriveSharedSecret(byte[] theirPublicKey, KeyPair ourKeyPair,
boolean alice) throws GeneralSecurityException;
/**
* Signs the given byte[] with the given private key.
* Derives the content of a confirmation record.
* <p/>
* Part of BQP.
*
* @param label a namespaced label indicating the purpose of this
* signature, to prevent it from being repurposed or colliding with a
* signature created for another purpose
* @param sharedSecret the common shared secret
* @param theirPayload the commit payload from the remote party
* @param ourPayload the commit payload we sent
* @param theirPublicKey the ephemeral public key of the remote party
* @param ourKeyPair our ephemeral keypair
* @param alice true if ourKeyPair belongs to Alice
* @param aliceRecord true if the confirmation record is for use by Alice
* @return the confirmation record
*/
byte[] deriveConfirmationRecord(SecretKey sharedSecret,
byte[] theirPayload, byte[] ourPayload,
byte[] theirPublicKey, KeyPair ourKeyPair,
boolean alice, boolean aliceRecord);
/**
* Derives a master secret from the given shared secret.
* <p/>
* Part of BQP.
*
* @param sharedSecret the common shared secret
* @return the master secret
*/
SecretKey deriveMasterSecret(SecretKey sharedSecret);
/**
* Derives a master secret from two public keys and one of the corresponding
* private keys.
* <p/>
* This is a helper method that calls
* deriveMasterSecret(deriveSharedSecret(theirPublicKey, ourKeyPair, alice))
*
* @param theirPublicKey the ephemeral public key of the remote party
* @param ourKeyPair our ephemeral keypair
* @param alice true if ourKeyPair belongs to Alice
* @return the shared secret
* @throws GeneralSecurityException
*/
SecretKey deriveMasterSecret(byte[] theirPublicKey, KeyPair ourKeyPair,
boolean alice) throws GeneralSecurityException;
/**
* Derives initial transport keys for the given transport in the given
* rotation period from the given master secret.
* @param alice whether the keys are for use by Alice or Bob.
*/
TransportKeys deriveTransportKeys(TransportId t, SecretKey master,
long rotationPeriod, boolean alice);
/**
* Rotates the given transport keys to the given rotation period. If the
* keys are for a future rotation period they are not rotated.
*/
TransportKeys rotateTransportKeys(TransportKeys k, long rotationPeriod);
/** Encodes the pseudo-random tag that is used to recognise a stream. */
void encodeTag(byte[] tag, SecretKey tagKey, long streamNumber);
/**
* Signs the given byte[] with the given PrivateKey.
*
* @param label A label specific to this signature
* to ensure that the signature cannot be repurposed
*/
byte[] sign(String label, byte[] toSign, byte[] privateKey)
throws GeneralSecurityException;
/**
* Verifies that the given signature is valid for the signed data
* and the given public key.
* Verifies that the given signature is valid for the signedData
* and the given publicKey.
*
* @param label a namespaced label indicating the purpose of this
* signature, to prevent it from being repurposed or colliding with a
* signature created for another purpose
* @param label A label that was specific to this signature
* to ensure that the signature cannot be repurposed
* @return true if the signature was valid, false otherwise.
*/
boolean verifySignature(byte[] signature, String label, byte[] signed,
byte[] publicKey) throws GeneralSecurityException;
boolean verify(String label, byte[] signedData, byte[] publicKey,
byte[] signature) throws GeneralSecurityException;
/**
* Returns the hash of the given inputs. The inputs are unambiguously
* combined by prefixing each input with its length.
*
* @param label a namespaced label indicating the purpose of this hash, to
* prevent it from being repurposed or colliding with a hash created for
* another purpose
* @param label A label specific to this hash to ensure that hashes
* calculated for distinct purposes don't collide.
*/
byte[] hash(String label, byte[]... inputs);
/**
* Returns the length of hashes produced by
* the {@link CryptoComponent#hash(String, byte[]...)} method.
*/
int getHashLength();
/**
* Returns a message authentication code with the given key over the
* given inputs. The inputs are unambiguously combined by prefixing each
* input with its length.
*
* @param label a namespaced label indicating the purpose of this MAC, to
* prevent it from being repurposed or colliding with a MAC created for
* another purpose
*/
byte[] mac(String label, SecretKey macKey, byte[]... inputs);
/**
* Verifies that the given message authentication code is valid for the
* given secret key and inputs.
*
* @param label a namespaced label indicating the purpose of this MAC, to
* prevent it from being repurposed or colliding with a MAC created for
* another purpose
* @return true if the MAC was valid, false otherwise.
*/
boolean verifyMac(byte[] mac, String label, SecretKey macKey,
byte[]... inputs);
byte[] mac(SecretKey macKey, byte[]... inputs);
/**
* Encrypts and authenticates the given plaintext so it can be written to
@@ -117,7 +195,6 @@ public interface CryptoComponent {
* given password. Returns null if the ciphertext cannot be decrypted and
* authenticated (for example, if the password is wrong).
*/
@Nullable
byte[] decryptWithPassword(byte[] ciphertext, String password);
/**

View File

@@ -1,25 +0,0 @@
package org.briarproject.bramble.api.crypto;
public interface CryptoConstants {
/**
* The maximum length of an agreement public key in bytes.
*/
int MAX_AGREEMENT_PUBLIC_KEY_BYTES = 32;
/**
* The maximum length of a signature public key in bytes.
*/
int MAX_SIGNATURE_PUBLIC_KEY_BYTES = 32;
/**
* The maximum length of a signature in bytes.
*/
int MAX_SIGNATURE_BYTES = 64;
/**
* The length of a MAC in bytes.
*/
int MAC_BYTES = SecretKey.LENGTH;
}

View File

@@ -1,50 +0,0 @@
package org.briarproject.bramble.api.crypto;
/**
* Crypto operations for the key agreement protocol - see
* https://code.briarproject.org/akwizgran/briar-spec/blob/master/protocols/BQP.md
*/
public interface KeyAgreementCrypto {
/**
* Hash label for public key commitment.
*/
String COMMIT_LABEL = "org.briarproject.bramble.keyagreement/COMMIT";
/**
* Key derivation label for confirmation record.
*/
String CONFIRMATION_KEY_LABEL =
"org.briarproject.bramble.keyagreement/CONFIRMATION_KEY";
/**
* MAC label for confirmation record.
*/
String CONFIRMATION_MAC_LABEL =
"org.briarproject.bramble.keyagreement/CONFIRMATION_MAC";
/**
* Derives a commitment to the provided public key.
*
* @param publicKey the public key
* @return the commitment to the provided public key.
*/
byte[] deriveKeyCommitment(PublicKey publicKey);
/**
* Derives the content of a confirmation record.
*
* @param sharedSecret the common shared secret
* @param theirPayload the key exchange payload of the remote party
* @param ourPayload the key exchange payload of the local party
* @param theirPublicKey the ephemeral public key of the remote party
* @param ourKeyPair our ephemeral key pair of the local party
* @param alice true if the local party is Alice
* @param aliceRecord true if the confirmation record is for use by Alice
* @return the confirmation record
*/
byte[] deriveConfirmationRecord(SecretKey sharedSecret,
byte[] theirPayload, byte[] ourPayload,
PublicKey theirPublicKey, KeyPair ourKeyPair,
boolean alice, boolean aliceRecord);
}

View File

@@ -5,7 +5,7 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.concurrent.Immutable;
/**
* A key pair consisting of a {@link PublicKey} and a {@link PrivateKey}.
* A key pair consisting of a {@link PublicKey} and a {@link PrivateKey).
*/
@Immutable
@NotNullByDefault

View File

@@ -6,9 +6,9 @@ import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
public interface PasswordStrengthEstimator {
float NONE = 0;
float WEAK = 0.25f;
float QUITE_WEAK = 0.5f;
float QUITE_STRONG = 0.75f;
float WEAK = 0.4f;
float QUITE_WEAK = 0.6f;
float QUITE_STRONG = 0.8f;
float STRONG = 1;
/**

View File

@@ -0,0 +1,12 @@
package org.briarproject.bramble.api.crypto;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
/**
* A deterministic pseudo-random number generator.
*/
@NotNullByDefault
public interface PseudoRandom {
byte[] nextBytes(int bytes);
}

View File

@@ -14,9 +14,8 @@ public interface StreamDecrypterFactory {
StreamDecrypter createStreamDecrypter(InputStream in, StreamContext ctx);
/**
* Creates a {@link StreamDecrypter} for decrypting a contact exchange
* stream.
* Creates a {@link StreamDecrypter} for decrypting an invitation stream.
*/
StreamDecrypter createContactExchangeStreamDecrypter(InputStream in,
StreamDecrypter createInvitationStreamDecrypter(InputStream in,
SecretKey headerKey);
}

View File

@@ -14,9 +14,8 @@ public interface StreamEncrypterFactory {
StreamEncrypter createStreamEncrypter(OutputStream out, StreamContext ctx);
/**
* Creates a {@link StreamEncrypter} for encrypting a contact exchange
* stream.
* Creates a {@link StreamEncrypter} for encrypting an invitation stream.
*/
StreamEncrypter createContactExchangeStreamDecrypter(OutputStream out,
StreamEncrypter createInvitationStreamEncrypter(OutputStream out,
SecretKey headerKey);
}

View File

@@ -1,33 +0,0 @@
package org.briarproject.bramble.api.crypto;
import org.briarproject.bramble.api.plugin.TransportId;
import org.briarproject.bramble.api.transport.TransportKeys;
/**
* Crypto operations for the transport security protocol - see
* https://code.briarproject.org/akwizgran/briar-spec/blob/master/protocols/BTP.md
*/
public interface TransportCrypto {
/**
* Derives initial transport keys for the given transport in the given
* rotation period from the given master secret.
*
* @param alice whether the keys are for use by Alice or Bob.
* @param active whether the keys are usable for outgoing streams.
*/
TransportKeys deriveTransportKeys(TransportId t, SecretKey master,
long rotationPeriod, boolean alice, boolean active);
/**
* Rotates the given transport keys to the given rotation period. If the
* keys are for the given period or any later period they are not rotated.
*/
TransportKeys rotateTransportKeys(TransportKeys k, long rotationPeriod);
/**
* Encodes the pseudo-random tag that is used to recognise a stream.
*/
void encodeTag(byte[] tag, SecretKey tagKey, int protocolVersion,
long streamNumber);
}

View File

@@ -4,14 +4,11 @@ import org.briarproject.bramble.api.Bytes;
import org.briarproject.bramble.api.FormatException;
import java.util.Map;
import java.util.Map.Entry;
import java.util.TreeMap;
import java.util.concurrent.ConcurrentSkipListMap;
import javax.annotation.Nullable;
import javax.annotation.concurrent.NotThreadSafe;
@NotThreadSafe
public class BdfDictionary extends TreeMap<String, Object> {
public class BdfDictionary extends ConcurrentSkipListMap<String, Object> {
public static final Object NULL_VALUE = new Object();
@@ -24,9 +21,9 @@ public class BdfDictionary extends TreeMap<String, Object> {
* );
* </pre>
*/
public static BdfDictionary of(Entry<String, ?>... entries) {
public static BdfDictionary of(Entry<String, Object>... entries) {
BdfDictionary d = new BdfDictionary();
for (Entry<String, ?> e : entries) d.put(e.getKey(), e.getValue());
for (Entry<String, Object> e : entries) d.put(e.getKey(), e.getValue());
return d;
}
@@ -34,7 +31,7 @@ public class BdfDictionary extends TreeMap<String, Object> {
super();
}
public BdfDictionary(Map<String, ?> m) {
public BdfDictionary(Map<String, Object> m) {
super(m);
}

View File

@@ -3,17 +3,15 @@ package org.briarproject.bramble.api.data;
import org.briarproject.bramble.api.Bytes;
import org.briarproject.bramble.api.FormatException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Vector;
import javax.annotation.Nullable;
import javax.annotation.concurrent.NotThreadSafe;
import static org.briarproject.bramble.api.data.BdfDictionary.NULL_VALUE;
@NotThreadSafe
public class BdfList extends ArrayList<Object> {
public class BdfList extends Vector<Object> {
/**
* Factory method for constructing lists inline.

View File

@@ -8,7 +8,6 @@ import java.io.IOException;
public interface BdfReader {
int DEFAULT_NESTED_LIMIT = 5;
int DEFAULT_MAX_BUFFER_SIZE = 64 * 1024;
boolean eof() throws IOException;
@@ -40,13 +39,13 @@ public interface BdfReader {
boolean hasString() throws IOException;
String readString() throws IOException;
String readString(int maxLength) throws IOException;
void skipString() throws IOException;
boolean hasRaw() throws IOException;
byte[] readRaw() throws IOException;
byte[] readRaw(int maxLength) throws IOException;
void skipRaw() throws IOException;

View File

@@ -9,6 +9,5 @@ public interface BdfReaderFactory {
BdfReader createReader(InputStream in);
BdfReader createReader(InputStream in, int nestedLimit,
int maxBufferSize);
BdfReader createReader(InputStream in, int nestedLimit);
}

View File

@@ -1,71 +0,0 @@
package org.briarproject.bramble.api.data;
import org.briarproject.bramble.api.Bytes;
import org.briarproject.bramble.api.FormatException;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import javax.annotation.Nullable;
import static org.briarproject.bramble.api.data.BdfDictionary.NULL_VALUE;
import static org.briarproject.bramble.util.StringUtils.toHexString;
@NotNullByDefault
public class BdfStringUtils {
public static String toString(@Nullable Object o) throws FormatException {
return toString(o, 0);
}
private static String toString(@Nullable Object o, int indent)
throws FormatException {
if (o == null || o == NULL_VALUE) return "null";
if (o instanceof Boolean) return o.toString();
if (o instanceof Number) return o.toString();
if (o instanceof String) return "\"" + o + "\"";
if (o instanceof Bytes)
return "x" + toHexString(((Bytes) o).getBytes());
if (o instanceof byte[])
return "x" + toHexString((byte[]) o);
if (o instanceof List) {
List<?> list = (List) o;
StringBuilder sb = new StringBuilder();
sb.append("[\n");
int i = 0, size = list.size();
for (Object e : list) {
indent(sb, indent + 1);
sb.append(toString(e, indent + 1));
if (i++ < size - 1) sb.append(',');
sb.append('\n');
}
indent(sb, indent);
sb.append(']');
return sb.toString();
}
if (o instanceof Map) {
Map<?, ?> map = (Map) o;
StringBuilder sb = new StringBuilder();
sb.append("{\n");
int i = 0, size = map.size();
for (Entry e : map.entrySet()) {
indent(sb, indent + 1);
sb.append(toString(e.getKey(), indent + 1));
sb.append(": ");
sb.append(toString(e.getValue(), indent + 1));
if (i++ < size - 1) sb.append(',');
sb.append('\n');
}
indent(sb, indent);
sb.append('}');
return sb.toString();
}
throw new FormatException();
}
private static void indent(StringBuilder sb, int indent) {
for (int i = 0; i < indent; i++) sb.append('\t');
}
}

View File

@@ -0,0 +1,11 @@
package org.briarproject.bramble.api.data;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.io.IOException;
@NotNullByDefault
public interface ObjectReader<T> {
T readObject(BdfReader r) throws IOException;
}

View File

@@ -1,7 +0,0 @@
package org.briarproject.bramble.api.db;
/**
* Thrown when the database uses a newer schema than the current code.
*/
public class DataTooNewException extends DbException {
}

View File

@@ -1,8 +0,0 @@
package org.briarproject.bramble.api.db;
/**
* Thrown when the database uses an older schema than the current code and
* cannot be migrated.
*/
public class DataTooOldException extends DbException {
}

View File

@@ -2,7 +2,6 @@ package org.briarproject.bramble.api.db;
import org.briarproject.bramble.api.contact.Contact;
import org.briarproject.bramble.api.contact.ContactId;
import org.briarproject.bramble.api.crypto.SecretKey;
import org.briarproject.bramble.api.identity.Author;
import org.briarproject.bramble.api.identity.AuthorId;
import org.briarproject.bramble.api.identity.LocalAuthor;
@@ -19,9 +18,7 @@ import org.briarproject.bramble.api.sync.MessageId;
import org.briarproject.bramble.api.sync.MessageStatus;
import org.briarproject.bramble.api.sync.Offer;
import org.briarproject.bramble.api.sync.Request;
import org.briarproject.bramble.api.sync.validation.MessageState;
import org.briarproject.bramble.api.transport.KeySet;
import org.briarproject.bramble.api.transport.KeySetId;
import org.briarproject.bramble.api.sync.ValidationManager;
import org.briarproject.bramble.api.transport.TransportKeys;
import java.util.Collection;
@@ -29,6 +26,8 @@ import java.util.Map;
import javax.annotation.Nullable;
import static org.briarproject.bramble.api.sync.ValidationManager.State;
/**
* Encapsulates the database implementation and exposes high-level operations
* to other components.
@@ -38,14 +37,8 @@ public interface DatabaseComponent {
/**
* Opens the database and returns true if the database already existed.
*
* @throws DataTooNewException if the data uses a newer schema than the
* current code
* @throws DataTooOldException if the data uses an older schema than the
* current code and cannot be migrated
*/
boolean open(SecretKey key, @Nullable MigrationListener listener)
throws DbException;
boolean open() throws DbException;
/**
* Waits for any open transactions to finish and closes the database.
@@ -75,27 +68,6 @@ public interface DatabaseComponent {
*/
void endTransaction(Transaction txn);
/**
* Runs the given task within a transaction.
*/
<E extends Exception> void transaction(boolean readOnly,
DbRunnable<E> task) throws DbException, E;
/**
* Runs the given task within a transaction and returns the result of the
* task.
*/
<R, E extends Exception> R transactionWithResult(boolean readOnly,
DbCallable<R, E> task) throws DbException, E;
/**
* Runs the given task within a transaction and returns the result of the
* task, which may be null.
*/
@Nullable
<R, E extends Exception> R transactionWithNullableResult(boolean readOnly,
NullableDbCallable<R, E> task) throws DbException, E;
/**
* Stores a contact associated with the given local and remote pseudonyms,
* and returns an ID for the contact.
@@ -126,11 +98,10 @@ public interface DatabaseComponent {
throws DbException;
/**
* Stores the given transport keys for the given contact and returns a
* key set ID.
* Stores transport keys for a newly added contact.
*/
KeySetId addTransportKeys(Transaction txn, ContactId c,
TransportKeys k) throws DbException;
void addTransportKeys(Transaction txn, ContactId c, TransportKeys k)
throws DbException;
/**
* Returns true if the database contains the given contact for the given
@@ -151,9 +122,8 @@ public interface DatabaseComponent {
throws DbException;
/**
* Deletes the message with the given ID. Unlike
* {@link #removeMessage(Transaction, MessageId)}, the message ID,
* dependencies, metadata, and any other associated state are not deleted.
* Deletes the message with the given ID. The message ID and any other
* associated data are not deleted.
*/
void deleteMessage(Transaction txn, MessageId m) throws DbException;
@@ -171,13 +141,13 @@ public interface DatabaseComponent {
throws DbException;
/**
* Returns a batch of messages for the given contact, with a total length
* less than or equal to the given length, for transmission over a
* Returns a batch of raw messages for the given contact, with a total
* length less than or equal to the given length, for transmission over a
* transport with the given maximum latency. Returns null if there are no
* sendable messages that fit in the given length.
*/
@Nullable
Collection<Message> generateBatch(Transaction txn, ContactId c,
Collection<byte[]> generateBatch(Transaction txn, ContactId c,
int maxLength, int maxLatency) throws DbException;
/**
@@ -198,14 +168,14 @@ public interface DatabaseComponent {
throws DbException;
/**
* Returns a batch of messages for the given contact, with a total length
* less than or equal to the given length, for transmission over a
* Returns a batch of raw messages for the given contact, with a total
* length less than or equal to the given length, for transmission over a
* transport with the given maximum latency. Only messages that have been
* requested by the contact are returned. Returns null if there are no
* sendable messages that fit in the given length.
*/
@Nullable
Collection<Message> generateRequestedBatch(Transaction txn, ContactId c,
Collection<byte[]> generateRequestedBatch(Transaction txn, ContactId c,
int maxLength, int maxLatency) throws DbException;
/**
@@ -257,8 +227,7 @@ public interface DatabaseComponent {
* <p/>
* Read-only.
*/
Collection<Group> getGroups(Transaction txn, ClientId c, int majorVersion)
throws DbException;
Collection<Group> getGroups(Transaction txn, ClientId c) throws DbException;
/**
* Returns the given group's visibility to the given contact, or
@@ -284,47 +253,40 @@ public interface DatabaseComponent {
Collection<LocalAuthor> getLocalAuthors(Transaction txn) throws DbException;
/**
* Returns the message with the given ID.
* <p/>
* Read-only.
*
* @throws MessageDeletedException if the message has been deleted
*/
Message getMessage(Transaction txn, MessageId m) throws DbException;
/**
* Returns the IDs of all delivered messages in the given group.
* Returns the IDs of any messages that need to be validated by the given
* client.
* <p/>
* Read-only.
*/
Collection<MessageId> getMessageIds(Transaction txn, GroupId g)
Collection<MessageId> getMessagesToValidate(Transaction txn, ClientId c)
throws DbException;
/**
* Returns the IDs of any messages that need to be validated.
* Returns the IDs of any messages that are valid but pending delivery due
* to dependencies on other messages for the given client.
* <p/>
* Read-only.
*/
Collection<MessageId> getMessagesToValidate(Transaction txn)
Collection<MessageId> getPendingMessages(Transaction txn, ClientId c)
throws DbException;
/**
* Returns the IDs of any messages that are pending delivery due to
* dependencies on other messages.
* Returns the IDs of any messages from the given client
* that have a shared dependent, but are still not shared themselves.
* <p/>
* Read-only.
*/
Collection<MessageId> getPendingMessages(Transaction txn)
throws DbException;
Collection<MessageId> getMessagesToShare(Transaction txn,
ClientId c) throws DbException;
/**
* Returns the IDs of any messages that have shared dependents but have
* not yet been shared themselves.
* Returns the message with the given ID, in serialised form, or null if
* the message has been deleted.
* <p/>
* Read-only.
*/
Collection<MessageId> getMessagesToShare(Transaction txn)
throws DbException;
@Nullable
byte[] getRawMessage(Transaction txn, MessageId m) throws DbException;
/**
* Returns the metadata for all delivered messages in the given group.
@@ -335,9 +297,9 @@ public interface DatabaseComponent {
throws DbException;
/**
* Returns the metadata for any delivered messages in the given group with
* metadata that matches all entries in the given query. If the query is
* empty, the metadata for all delivered messages is returned.
* Returns the metadata for any messages in the given group with metadata
* that matches all entries in the given query. If the query is empty, the
* metadata for all messages is returned.
* <p/>
* Read-only.
*/
@@ -353,8 +315,8 @@ public interface DatabaseComponent {
throws DbException;
/**
* Returns the metadata for the given delivered or pending message.
* This is only meant to be used by the ValidationManager.
* Returns the metadata for the given delivered and pending message.
* This is meant to be only used by the ValidationManager
* <p/>
* Read-only.
*/
@@ -362,8 +324,8 @@ public interface DatabaseComponent {
throws DbException;
/**
* Returns the status of all delivered messages in the given group with
* respect to the given contact.
* Returns the status of all messages in the given group with respect to
* the given contact.
* <p/>
* Read-only.
*/
@@ -372,51 +334,44 @@ public interface DatabaseComponent {
/**
* Returns the IDs and states of all dependencies of the given message.
* For missing dependencies and dependencies in other groups, the state
* {@link MessageState UNKNOWN} is returned.
* Missing dependencies have the state
* {@link ValidationManager.State UNKNOWN}.
* Dependencies in other groups have the state
* {@link ValidationManager.State INVALID}.
* Note that these states are not set on the dependencies themselves; the
* returned states should only be taken in the context of the given message.
* <p/>
* Read-only.
*/
Map<MessageId, MessageState> getMessageDependencies(Transaction txn,
MessageId m) throws DbException;
Map<MessageId, State> getMessageDependencies(Transaction txn, MessageId m)
throws DbException;
/**
* Returns the IDs and states of all dependents of the given message.
* Dependents in other groups are not returned. If the given message is
* missing, no dependents are returned.
* Returns all IDs of messages that depend on the given message.
* Messages in other groups that declare a dependency on the given message
* will be returned even though such dependencies are invalid.
* <p/>
* Read-only.
*/
Map<MessageId, MessageState> getMessageDependents(Transaction txn,
MessageId m) throws DbException;
Map<MessageId, State> getMessageDependents(Transaction txn, MessageId m)
throws DbException;
/**
* Gets the validation and delivery state of the given message.
* <p/>
* Read-only.
*/
MessageState getMessageState(Transaction txn, MessageId m)
throws DbException;
State getMessageState(Transaction txn, MessageId m) throws DbException;
/**
* Returns the status of the given delivered message with respect to the
* given contact.
* Returns the status of the given message with respect to the given
* contact.
* <p/>
* Read-only.
*/
MessageStatus getMessageStatus(Transaction txn, ContactId c, MessageId m)
throws DbException;
/*
* Returns the next time (in milliseconds since the Unix epoch) when a
* message is due to be sent to the given contact. The returned value may
* be zero if a message is due to be sent immediately, or Long.MAX_VALUE if
* no messages are scheduled to be sent.
* <p/>
* Read-only.
*/
long getNextSendTime(Transaction txn, ContactId c) throws DbException;
/**
* Returns all settings in the given namespace.
* <p/>
@@ -429,14 +384,15 @@ public interface DatabaseComponent {
* <p/>
* Read-only.
*/
Collection<KeySet> getTransportKeys(Transaction txn, TransportId t)
throws DbException;
Map<ContactId, TransportKeys> getTransportKeys(Transaction txn,
TransportId t) throws DbException;
/**
* Increments the outgoing stream counter for the given transport keys.
* Increments the outgoing stream counter for the given contact and
* transport in the given rotation period .
*/
void incrementStreamCounter(Transaction txn, TransportId t, KeySetId k)
throws DbException;
void incrementStreamCounter(Transaction txn, ContactId c, TransportId t,
long rotationPeriod) throws DbException;
/**
* Merges the given metadata with the existing metadata for the given
@@ -496,22 +452,11 @@ public interface DatabaseComponent {
*/
void removeLocalAuthor(Transaction txn, AuthorId a) throws DbException;
/**
* Removes a message (and all associated state) from the database.
*/
void removeMessage(Transaction txn, MessageId m) throws DbException;
/**
* Removes a transport (and all associated state) from the database.
*/
void removeTransport(Transaction txn, TransportId t) throws DbException;
/**
* Removes the given transport keys from the database.
*/
void removeTransportKeys(Transaction txn, TransportId t, KeySetId k)
throws DbException;
/**
* Marks the given contact as verified.
*/
@@ -523,12 +468,6 @@ public interface DatabaseComponent {
void setContactActive(Transaction txn, ContactId c, boolean active)
throws DbException;
/**
* Sets an alias name for the contact or unsets it if alias is null.
*/
void setContactAlias(Transaction txn, ContactId c, @Nullable String alias)
throws DbException;
/**
* Sets the given group's visibility to the given contact.
*/
@@ -543,7 +482,7 @@ public interface DatabaseComponent {
/**
* Sets the validation and delivery state of the given message.
*/
void setMessageState(Transaction txn, MessageId m, MessageState state)
void setMessageState(Transaction txn, MessageId m, State state)
throws DbException;
/**
@@ -553,21 +492,15 @@ public interface DatabaseComponent {
Collection<MessageId> dependencies) throws DbException;
/**
* Sets the reordering window for the given key set and transport in the
* Sets the reordering window for the given contact and transport in the
* given rotation period.
*/
void setReorderingWindow(Transaction txn, KeySetId k, TransportId t,
void setReorderingWindow(Transaction txn, ContactId c, TransportId t,
long rotationPeriod, long base, byte[] bitmap) throws DbException;
/**
* Marks the given transport keys as usable for outgoing streams.
*/
void setTransportKeysActive(Transaction txn, TransportId t, KeySetId k)
throws DbException;
/**
* Stores the given transport keys, deleting any keys they have replaced.
*/
void updateTransportKeys(Transaction txn, Collection<KeySet> keys)
throws DbException;
void updateTransportKeys(Transaction txn,
Map<ContactId, TransportKeys> keys) throws DbException;
}

View File

@@ -1,15 +1,28 @@
package org.briarproject.bramble.api.db;
import org.briarproject.bramble.api.crypto.SecretKey;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import java.io.File;
import javax.annotation.Nullable;
@NotNullByDefault
public interface DatabaseConfig {
boolean databaseExists();
File getDatabaseDirectory();
File getDatabaseKeyDirectory();
void setEncryptionKey(SecretKey key);
@Nullable
SecretKey getEncryptionKey();
void setLocalAuthorName(String nickname);
@Nullable
String getLocalAuthorName();
long getMaxSize();
}

View File

@@ -1,9 +0,0 @@
package org.briarproject.bramble.api.db;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public interface DbCallable<R, E extends Exception> {
R call(Transaction txn) throws DbException, E;
}

View File

@@ -1,9 +0,0 @@
package org.briarproject.bramble.api.db;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
@NotNullByDefault
public interface DbRunnable<E extends Exception> {
void run(Transaction txn) throws DbException, E;
}

View File

@@ -1,9 +0,0 @@
package org.briarproject.bramble.api.db;
/**
* Thrown when a message that has been deleted is requested from the database.
* This exception may occur due to concurrent updates and does not indicate a
* database error.
*/
public class MessageDeletedException extends DbException {
}

View File

@@ -1,11 +1,11 @@
package org.briarproject.bramble.api.db;
import java.util.TreeMap;
import java.util.Hashtable;
import javax.annotation.concurrent.NotThreadSafe;
import javax.annotation.concurrent.ThreadSafe;
@NotThreadSafe
public class Metadata extends TreeMap<String, byte[]> {
@ThreadSafe
public class Metadata extends Hashtable<String, byte[]> {
/**
* Special value to indicate that a key is being removed.

View File

@@ -1,15 +0,0 @@
package org.briarproject.bramble.api.db;
public interface MigrationListener {
/**
* This is called when a migration is started while opening the database.
* It will be called once for each migration being applied.
*/
void onDatabaseMigration();
/**
* This is called when compaction is started while opening the database.
*/
void onDatabaseCompaction();
}

View File

@@ -1,12 +0,0 @@
package org.briarproject.bramble.api.db;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import javax.annotation.Nullable;
@NotNullByDefault
public interface NullableDbCallable<R, E extends Exception> {
@Nullable
R call(Transaction txn) throws DbException, E;
}

View File

@@ -45,7 +45,7 @@ public class Transaction {
* committed.
*/
public void attach(Event e) {
if (events == null) events = new ArrayList<>();
if (events == null) events = new ArrayList<Event>();
events.add(e);
}

View File

@@ -1,40 +1,34 @@
package org.briarproject.bramble.api.identity;
import org.briarproject.bramble.api.Nameable;
import org.briarproject.bramble.api.nullsafety.NotNullByDefault;
import org.briarproject.bramble.util.StringUtils;
import java.io.UnsupportedEncodingException;
import javax.annotation.concurrent.Immutable;
import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_AUTHOR_NAME_LENGTH;
import static org.briarproject.bramble.api.identity.AuthorConstants.MAX_PUBLIC_KEY_LENGTH;
/**
* A pseudonym for a user.
*/
@Immutable
@NotNullByDefault
public class Author implements Nameable {
public class Author {
/**
* The current version of the author structure.
*/
public static final int FORMAT_VERSION = 1;
public enum Status {ANONYMOUS, UNKNOWN, UNVERIFIED, VERIFIED, OURSELVES}
private final AuthorId id;
private final int formatVersion;
private final String name;
private final byte[] publicKey;
public Author(AuthorId id, int formatVersion, String name,
byte[] publicKey) {
int nameLength = StringUtils.toUtf8(name).length;
if (nameLength == 0 || nameLength > MAX_AUTHOR_NAME_LENGTH)
throw new IllegalArgumentException();
if (publicKey.length == 0 || publicKey.length > MAX_PUBLIC_KEY_LENGTH)
public Author(AuthorId id, String name, byte[] publicKey) {
int length;
try {
length = name.getBytes("UTF-8").length;
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
if (length == 0 || length > AuthorConstants.MAX_AUTHOR_NAME_LENGTH)
throw new IllegalArgumentException();
this.id = id;
this.formatVersion = formatVersion;
this.name = name;
this.publicKey = publicKey;
}
@@ -46,13 +40,6 @@ public class Author implements Nameable {
return id;
}
/**
* Returns the version of the author structure used to create the author.
*/
public int getFormatVersion() {
return formatVersion;
}
/**
* Returns the author's name.
*/

View File

@@ -1,8 +1,5 @@
package org.briarproject.bramble.api.identity;
import static org.briarproject.bramble.api.crypto.CryptoConstants.MAX_SIGNATURE_BYTES;
import static org.briarproject.bramble.api.crypto.CryptoConstants.MAX_SIGNATURE_PUBLIC_KEY_BYTES;
public interface AuthorConstants {
/**
@@ -11,14 +8,26 @@ public interface AuthorConstants {
int MAX_AUTHOR_NAME_LENGTH = 50;
/**
* The maximum length of a public key in bytes. This applies to the
* signature algorithm used by the current {@link Author format version}.
* The maximum length of a public key in bytes.
* <p>
* Public keys use SEC1 format: 0x04 x y, where x and y are unsigned
* big-endian integers.
* <p>
* For a 256-bit elliptic curve, the maximum length is 2 * 256 / 8 + 1.
*/
int MAX_PUBLIC_KEY_LENGTH = MAX_SIGNATURE_PUBLIC_KEY_BYTES;
int MAX_PUBLIC_KEY_LENGTH = 65;
/**
* The maximum length of a signature in bytes. This applies to the
* signature algorithm used by the current {@link Author format version}.
* The maximum length of a signature in bytes.
* <p>
* A signature is an ASN.1 DER sequence containing two integers, r and s.
* The format is 0x30 len1 0x02 len2 r 0x02 len3 s, where len1 is
* len(0x02 len2 r 0x02 len3 s) as a DER length, len2 is len(r) as a DER
* length, len3 is len(s) as a DER length, and r and s are signed
* big-endian integers of minimal length.
* <p>
* For a 256-bit elliptic curve, the lengths are one byte each, so the
* maximum length is 2 * 256 / 8 + 8.
*/
int MAX_SIGNATURE_LENGTH = MAX_SIGNATURE_BYTES;
int MAX_SIGNATURE_LENGTH = 72;
}

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