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Code Issues Projects Releases Wiki Activity

Refactor Tor settings and add a setting for forcing to use bridges

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This commit is contained in:
Torsten Grote
2018-08-13 17:57:44 -03:00
parent e5112ae9ee
commit 9b17836595
7 changed files with 121 additions and 86 deletions
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11
bramble-api/src/main/java/org/briarproject/bramble/api/plugin/TorConstants.java
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@@ -12,12 +12,13 @@ public interface TorConstants {
int CONNECT_TO_PROXY_TIMEOUT = 5000; // Milliseconds
int EXTRA_SOCKET_TIMEOUT = 30000; // Milliseconds
String PREF_TOR_NETWORK = "network";
String PREF_TOR_NETWORK = "network2";
String PREF_TOR_PORT = "port";
String PREF_TOR_DISABLE_BLOCKED = "disableWhenBlocked";
String PREF_TOR_MOBILE = "useMobileData";
int PREF_TOR_NETWORK_NEVER = 0;
int PREF_TOR_NETWORK_WIFI = 1;
int PREF_TOR_NETWORK_ALWAYS = 2;
int PREF_TOR_NETWORK_AUTOMATIC = 0;
int PREF_TOR_NETWORK_WITHOUT_BRIDGES = 1;
int PREF_TOR_NETWORK_WITH_BRIDGES = 2;
int PREF_TOR_NETWORK_NEVER = 3;
}

58
bramble-core/src/main/java/org/briarproject/bramble/plugin/tor/TorPlugin.java
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@@ -64,11 +64,11 @@ 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.api.plugin.TorConstants.ID;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_DISABLE_BLOCKED;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_MOBILE;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_ALWAYS;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_AUTOMATIC;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_NEVER;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_WIFI;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_WITH_BRIDGES;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_PORT;
import static org.briarproject.bramble.api.plugin.TorConstants.PROP_ONION;
import static org.briarproject.bramble.util.LogUtils.logException;
@@ -170,6 +170,8 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
if (!assetsAreUpToDate()) installAssets();
if (cookieFile.exists() && !cookieFile.delete())
LOG.warning("Old auth cookie not deleted");
// Migrate old settings before having a chance to stop
migrateSettings();
// Start a new Tor process
LOG.info("Starting Tor");
String torPath = torFile.getAbsolutePath();
@@ -629,9 +631,11 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
boolean blocked =
circumventionProvider.isTorProbablyBlocked(country);
Settings s = callback.getSettings();
int network = s.getInt(PREF_TOR_NETWORK, PREF_TOR_NETWORK_ALWAYS);
boolean disableWhenBlocked =
s.getBoolean(PREF_TOR_DISABLE_BLOCKED, true);
int network =
s.getInt(PREF_TOR_NETWORK, PREF_TOR_NETWORK_AUTOMATIC);
boolean useMobile = s.getBoolean(PREF_TOR_MOBILE, true);
boolean bridgesWork = circumventionProvider.doBridgesWork(country);
boolean automatic = network == PREF_TOR_NETWORK_AUTOMATIC;
if (LOG.isLoggable(INFO)) {
LOG.info("Online: " + online + ", wifi: " + wifi);
@@ -643,25 +647,20 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
if (!online) {
LOG.info("Disabling network, device is offline");
enableNetwork(false);
} else if (network == PREF_TOR_NETWORK_NEVER
|| (network == PREF_TOR_NETWORK_WIFI && !wifi)) {
} else if (network == PREF_TOR_NETWORK_NEVER ||
(!useMobile && !wifi)) {
LOG.info("Disabling network due to data setting");
enableNetwork(false);
} else if (blocked) {
if (circumventionProvider.doBridgesWork(country)) {
LOG.info("Enabling network, using bridges");
enableBridges(true);
enableNetwork(true);
} else if (disableWhenBlocked) {
LOG.info("Disabling network, country is blocked");
enableNetwork(false);
} else {
LOG.info("Enabling network but country is blocked");
enableBridges(false);
enableNetwork(true);
}
} else if (automatic && blocked && !bridgesWork) {
LOG.info("Disabling network, country is blocked");
enableNetwork(false);
} else if (network == PREF_TOR_NETWORK_WITH_BRIDGES ||
(automatic && bridgesWork)) {
LOG.info("Enabling network, using bridges");
enableBridges(true);
enableNetwork(true);
} else {
LOG.info("Enabling network");
LOG.info("Enabling network, not using bridges");
enableBridges(false);
enableNetwork(true);
}
@@ -671,6 +670,21 @@ abstract class TorPlugin implements DuplexPlugin, EventHandler, EventListener {
});
}
// TODO remove when sufficient time has passed. Added 2018-08-15
private void migrateSettings() {
Settings sOld = callback.getSettings();
int oldNetwork = sOld.getInt("network", -1);
if (oldNetwork == -1) return;
Settings s = new Settings();
if (oldNetwork == 0) {
s.putInt(PREF_TOR_NETWORK, PREF_TOR_NETWORK_NEVER);
} else if (oldNetwork == 1) {
s.putBoolean(PREF_TOR_MOBILE, false);
}
s.putInt("network", -1);
callback.mergeSettings(s);
}
private static class ConnectionStatus {
// All of the following are locking: this

6
briar-android/src/main/java/org/briarproject/briar/android/AndroidComponent.java
View File

@@ -22,6 +22,8 @@ import org.briarproject.bramble.api.plugin.PluginManager;
import org.briarproject.bramble.api.settings.SettingsManager;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.api.system.Clock;
import org.briarproject.bramble.api.system.LocationUtils;
import org.briarproject.bramble.plugin.tor.CircumventionProvider;
import org.briarproject.briar.BriarCoreEagerSingletons;
import org.briarproject.briar.BriarCoreModule;
import org.briarproject.briar.android.login.SignInReminderReceiver;
@@ -149,6 +151,10 @@ public interface AndroidComponent
LockManager lockManager();
LocationUtils locationUtils();
CircumventionProvider circumventionProvider();
void inject(SignInReminderReceiver briarService);
void inject(BriarService briarService);

102
briar-android/src/main/java/org/briarproject/briar/android/settings/SettingsFragment.java
View File

@@ -35,6 +35,8 @@ import org.briarproject.bramble.api.settings.Settings;
import org.briarproject.bramble.api.settings.SettingsManager;
import org.briarproject.bramble.api.settings.event.SettingsUpdatedEvent;
import org.briarproject.bramble.api.system.AndroidExecutor;
import org.briarproject.bramble.api.system.LocationUtils;
import org.briarproject.bramble.plugin.tor.CircumventionProvider;
import org.briarproject.bramble.util.StringUtils;
import org.briarproject.briar.R;
import org.briarproject.briar.android.Localizer;
@@ -43,7 +45,6 @@ import org.briarproject.briar.android.util.UiUtils;
import org.briarproject.briar.android.util.UserFeedback;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.logging.Logger;
@@ -68,19 +69,15 @@ import static android.provider.Settings.EXTRA_CHANNEL_ID;
import static android.provider.Settings.System.DEFAULT_NOTIFICATION_URI;
import static android.support.v4.view.ViewCompat.LAYOUT_DIRECTION_LTR;
import static android.widget.Toast.LENGTH_SHORT;
import static java.util.Arrays.asList;
import static java.util.logging.Level.INFO;
import static java.util.logging.Level.WARNING;
import static org.briarproject.bramble.api.plugin.BluetoothConstants.PREF_BT_ENABLE;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_DISABLE_BLOCKED;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_MOBILE;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_ALWAYS;
import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BLOCKED;
import static org.briarproject.bramble.plugin.tor.CircumventionProvider.BRIDGES;
import static org.briarproject.bramble.api.plugin.TorConstants.PREF_TOR_NETWORK_AUTOMATIC;
import static org.briarproject.bramble.util.LogUtils.logDuration;
import static org.briarproject.bramble.util.LogUtils.logException;
import static org.briarproject.bramble.util.LogUtils.now;
import static org.briarproject.bramble.util.StringUtils.join;
import static org.briarproject.briar.android.TestingConstants.FEATURE_FLAG_DARK_THEME;
import static org.briarproject.briar.android.TestingConstants.FEATURE_FLAG_PIN_LOCK;
import static org.briarproject.briar.android.TestingConstants.FEATURE_FLAG_SIGN_IN_REMINDER;
@@ -113,7 +110,8 @@ public class SettingsFragment extends PreferenceFragmentCompat
public static final String LANGUAGE = "pref_key_language";
public static final String PREF_SCREEN_LOCK = "pref_key_lock";
public static final String NOTIFY_SIGN_IN = "pref_key_notify_sign_in";
public static final String TOR_LOCATION = "pref_key_tor_location";
public static final String TOR_NETWORK = "pref_key_tor_network";
public static final String TOR_MOBILE = "pref_key_tor_mobile_data";
private static final Logger LOG =
Logger.getLogger(SettingsFragment.class.getName());
@@ -122,7 +120,7 @@ public class SettingsFragment extends PreferenceFragmentCompat
private ListPreference language;
private ListPreference enableBluetooth;
private ListPreference torNetwork;
private SwitchPreference torBlocked;
private SwitchPreference torMobile;
private SwitchPreference screenLock;
private SwitchPreference notifyPrivateMessages;
private SwitchPreference notifyGroupMessages;
@@ -130,6 +128,7 @@ public class SettingsFragment extends PreferenceFragmentCompat
private SwitchPreference notifyBlogPosts;
private SwitchPreference notifyVibration;
private SwitchPreference notifyLockscreen;
private Preference notifySound;
// Fields that are accessed from background threads must be volatile
@@ -138,6 +137,10 @@ public class SettingsFragment extends PreferenceFragmentCompat
volatile SettingsManager settingsManager;
@Inject
volatile EventBus eventBus;
@Inject
LocationUtils locationUtils;
@Inject
CircumventionProvider circumventionProvider;
@Inject
AndroidExecutor androidExecutor;
@@ -160,9 +163,8 @@ public class SettingsFragment extends PreferenceFragmentCompat
ListPreference theme =
(ListPreference) findPreference("pref_key_theme");
enableBluetooth = (ListPreference) findPreference("pref_key_bluetooth");
torNetwork = (ListPreference) findPreference("pref_key_tor_network");
torBlocked = (SwitchPreference) findPreference(TOR_LOCATION);
setBlockedCountries();
torNetwork = (ListPreference) findPreference(TOR_NETWORK);
torMobile = (SwitchPreference) findPreference(TOR_MOBILE);
SwitchPreference notifySignIn =
(SwitchPreference) findPreference(NOTIFY_SIGN_IN);
screenLock = (SwitchPreference) findPreference(PREF_SCREEN_LOCK);
@@ -201,7 +203,7 @@ public class SettingsFragment extends PreferenceFragmentCompat
});
enableBluetooth.setOnPreferenceChangeListener(this);
torNetwork.setOnPreferenceChangeListener(this);
torBlocked.setOnPreferenceChangeListener(this);
torMobile.setOnPreferenceChangeListener(this);
screenLock.setOnPreferenceChangeListener(this);
if (SDK_INT >= 21) {
notifyLockscreen.setVisible(true);
@@ -304,30 +306,33 @@ public class SettingsFragment extends PreferenceFragmentCompat
return direction == LAYOUT_DIRECTION_LTR;
}
private void setBlockedCountries() {
List<String> countryCodes = new ArrayList<>(asList(BLOCKED));
countryCodes.removeAll(asList(BRIDGES));
// Look up country names in the user's chosen language if available
Locale[] locales = Locale.getAvailableLocales();
List<String> countries = new ArrayList<>(countryCodes.size());
for (String countryCode : countryCodes) {
boolean found = false;
for (Locale locale : locales) {
if (locale.getCountry().equalsIgnoreCase(countryCode)) {
countries.add(locale.getDisplayCountry());
found = true;
break;
}
}
if (!found) {
if (LOG.isLoggable(INFO))
LOG.info("No locale for " + countryCode);
countries.add(countryCode);
private void setTorNetworkSummary(int torNetworkSetting) {
if (torNetworkSetting != PREF_TOR_NETWORK_AUTOMATIC) {
torNetwork.setSummary("%s"); // use setting value
return;
}
// Look up country name in the user's chosen language if available
String country = locationUtils.getCurrentCountry();
String countryName = getString(R.string.tor_network_country_unknown);
for (Locale locale : Locale.getAvailableLocales()) {
if (locale.getCountry().equalsIgnoreCase(country)) {
countryName = locale.getDisplayCountry();
break;
}
}
Collections.sort(countries);
String format = getString(R.string.tor_location_setting_hint_format);
torBlocked.setSummary(String.format(format, join(countries, ", ")));
boolean blocked =
circumventionProvider.isTorProbablyBlocked(country);
boolean useBridges = circumventionProvider.doBridgesWork(country);
String setting = getString(R.string.tor_network_setting_without_bridges);
if (blocked && useBridges) {
setting = getString(R.string.tor_network_setting_with_bridges);
} else if (blocked) {
setting = getString(R.string.tor_network_setting_never);
}
torNetwork.setSummary(
getString(R.string.tor_network_setting_summary, setting,
countryName));
}
private void loadSettings() {
@@ -342,11 +347,10 @@ public class SettingsFragment extends PreferenceFragmentCompat
boolean btSetting =
btSettings.getBoolean(PREF_BT_ENABLE, false);
int torNetworkSetting = torSettings.getInt(PREF_TOR_NETWORK,
PREF_TOR_NETWORK_ALWAYS);
boolean torBlockedSetting =
torSettings.getBoolean(PREF_TOR_DISABLE_BLOCKED, true);
displaySettings(btSetting, torNetworkSetting,
torBlockedSetting);
PREF_TOR_NETWORK_AUTOMATIC);
boolean torMobileSetting =
torSettings.getBoolean(PREF_TOR_MOBILE, true);
displaySettings(btSetting, torNetworkSetting, torMobileSetting);
} catch (DbException e) {
logException(LOG, WARNING, e);
}
@@ -354,11 +358,12 @@ public class SettingsFragment extends PreferenceFragmentCompat
}
private void displaySettings(boolean btSetting, int torNetworkSetting,
boolean torBlockedSetting) {
boolean torMobileSetting) {
listener.runOnUiThreadUnlessDestroyed(() -> {
enableBluetooth.setValue(Boolean.toString(btSetting));
torNetwork.setValue(Integer.toString(torNetworkSetting));
torBlocked.setChecked(torBlockedSetting);
setTorNetworkSummary(torNetworkSetting);
torMobile.setChecked(torMobileSetting);
displayScreenLockSetting();
if (SDK_INT < 26) {
@@ -421,7 +426,7 @@ public class SettingsFragment extends PreferenceFragmentCompat
// - pref_key_lock (screenLock -> displayScreenLockSetting())
enableBluetooth.setEnabled(enabled);
torNetwork.setEnabled(enabled);
torBlocked.setEnabled(enabled);
torMobile.setEnabled(enabled);
if (!enabled) screenLock.setEnabled(false);
notifyPrivateMessages.setEnabled(enabled);
notifyGroupMessages.setEnabled(enabled);
@@ -501,9 +506,10 @@ public class SettingsFragment extends PreferenceFragmentCompat
} else if (preference == torNetwork) {
int torNetworkSetting = Integer.valueOf((String) newValue);
storeTorNetworkSetting(torNetworkSetting);
} else if (preference == torBlocked) {
boolean torBlockedSetting = (Boolean) newValue;
storeTorBlockedSetting(torBlockedSetting);
setTorNetworkSummary(torNetworkSetting);
} else if (preference == torMobile) {
boolean torMobileSetting = (Boolean) newValue;
storeTorMobileSetting(torMobileSetting);
} else if (preference == screenLock) {
Settings s = new Settings();
s.putBoolean(PREF_SCREEN_LOCK, (Boolean) newValue);
@@ -562,9 +568,9 @@ public class SettingsFragment extends PreferenceFragmentCompat
mergeSettings(s, TOR_NAMESPACE);
}
private void storeTorBlockedSetting(boolean torBlockedSetting) {
private void storeTorMobileSetting(boolean torMobileSetting) {
Settings s = new Settings();
s.putBoolean(PREF_TOR_DISABLE_BLOCKED, torBlockedSetting);
s.putBoolean(PREF_TOR_MOBILE, torMobileSetting);
mergeSettings(s, TOR_NAMESPACE);
}

8
briar-android/src/main/res/values/arrays.xml
View File

@@ -8,16 +8,20 @@
<item>@string/bluetooth_setting_enabled</item>
<item>@string/bluetooth_setting_disabled</item>
</string-array>
<string-array name="tor_network_setting_names">
<item>@string/tor_network_setting_automatic</item>
<item>@string/tor_network_setting_without_bridges</item>
<item>@string/tor_network_setting_with_bridges</item>
<item>@string/tor_network_setting_never</item>
<item>@string/tor_network_setting_wifi</item>
<item>@string/tor_network_setting_always</item>
</string-array>
<string-array name="tor_network_setting_values">
<item>0</item>
<item>1</item>
<item>2</item>
<item>3</item>
</string-array>
<string-array name="pref_language_values">
<item>default</item>
<item>en-US</item>

16
briar-android/src/main/res/values/strings.xml
View File

@@ -348,12 +348,16 @@
<string name="bluetooth_setting">Connect via Bluetooth</string>
<string name="bluetooth_setting_enabled">Whenever contacts are nearby</string>
<string name="bluetooth_setting_disabled">Only when adding contacts</string>
<string name="tor_network_setting">Connect via Tor</string>
<string name="tor_network_setting_never">Never</string>
<string name="tor_network_setting_wifi">Only when using Wi-Fi</string>
<string name="tor_network_setting_always">When using Wi-Fi or mobile data</string>
<string name="tor_location_setting_title">Disable Tor based on location</string>
<string name="tor_location_setting_hint_format">Disable Tor in countries where it is likely to be blocked (%1$s)</string>
<string name="tor_network_setting">Connect via Internet (Tor)</string>
<string name="tor_network_setting_automatic">Automatic based on location</string>
<string name="tor_network_setting_without_bridges">Use Tor without bridges</string>
<string name="tor_network_setting_with_bridges">Use Tor with bridges</string>
<string name="tor_network_setting_never">Don\'t connect</string>
<!-- How and when Tor will connect after Automatic: E.g. Don't connect (in China) or Use Tor with bridges (in Belarus) -->
<string name="tor_network_setting_summary">Automatic: %1$s (in %2$s)</string>
<!-- The placeholder when we don't know the user's current country -->
<string name="tor_network_country_unknown">unknown</string>
<string name="tor_mobile_data_title">Use Mobile Data</string>
<!-- Settings Security and Panic -->
<string name="security_settings_title">Security</string>

6
briar-android/src/main/res/xml/settings.xml
View File

@@ -36,7 +36,7 @@
android:title="@string/bluetooth_setting"/>
<ListPreference
android:defaultValue="2"
android:defaultValue="0"
android:entries="@array/tor_network_setting_names"
android:entryValues="@array/tor_network_setting_values"
android:key="pref_key_tor_network"
@@ -46,9 +46,9 @@
<SwitchPreference
android:defaultValue="true"
android:key="pref_key_tor_location"
android:key="pref_key_tor_mobile_data"
android:persistent="false"
android:title="@string/tor_location_setting_title"/>
android:title="@string/tor_mobile_data_title"/>
</PreferenceCategory>