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Merge pull request #1583 from oxen-io/feature/blinded-version

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Feature/blinded version
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ThomasSession 2024-07-30 15:42:07 +10:00 committed by GitHub
commit fc4bf6ff27
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11 changed files with 217 additions and 4 deletions
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8
app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java
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@ -86,6 +86,7 @@ import org.thoughtcrime.securesms.sskenvironment.ProfileManager;
import org.thoughtcrime.securesms.sskenvironment.ReadReceiptManager;
import org.thoughtcrime.securesms.sskenvironment.TypingStatusRepository;
import org.thoughtcrime.securesms.util.Broadcaster;
import org.thoughtcrime.securesms.util.VersionUtil;
import org.thoughtcrime.securesms.util.dynamiclanguage.LocaleParseHelper;
import org.thoughtcrime.securesms.webrtc.CallMessageProcessor;
import org.webrtc.PeerConnectionFactory;
@ -142,6 +143,7 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
private HandlerThread conversationListHandlerThread;
private Handler conversationListHandler;
private PersistentLogger persistentLogger;
private VersionUtil versionUtil;
@Inject LokiAPIDatabase lokiAPIDatabase;
@Inject public Storage storage;
@ -248,6 +250,7 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
resubmitProfilePictureIfNeeded();
loadEmojiSearchIndexIfNeeded();
EmojiSource.refresh();
versionUtil = new VersionUtil(textSecurePreferences);
NetworkConstraint networkConstraint = new NetworkConstraint.Factory(this).create();
HTTP.INSTANCE.setConnectedToNetwork(networkConstraint::isMet);
@ -274,6 +277,9 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
OpenGroupManager.INSTANCE.startPolling();
});
// fetch last version data
versionUtil.startTimedVersionCheck();
}
@Override
@ -286,12 +292,14 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
poller.stopIfNeeded();
}
ClosedGroupPollerV2.getShared().stopAll();
versionUtil.stopTimedVersionCheck();
}
@Override
public void onTerminate() {
stopKovenant(); // Loki
OpenGroupManager.INSTANCE.stopPolling();
versionUtil.clear();
super.onTerminate();
}

2
app/src/main/java/org/thoughtcrime/securesms/MuteDialog.kt
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@ -18,7 +18,7 @@ fun showMuteDialog(
private enum class Option(@StringRes val stringRes: Int, val getTime: () -> Long) {
ONE_HOUR(R.string.arrays__mute_for_one_hour, duration = TimeUnit.HOURS.toMillis(1)),
TWO_HOURS(R.string.arrays__mute_for_two_hours, duration = TimeUnit.DAYS.toMillis(2)),
TWO_HOURS(R.string.arrays__mute_for_two_hours, duration = TimeUnit.HOURS.toMillis(2)),
ONE_DAY(R.string.arrays__mute_for_one_day, duration = TimeUnit.DAYS.toMillis(1)),
SEVEN_DAYS(R.string.arrays__mute_for_seven_days, duration = TimeUnit.DAYS.toMillis(7)),
FOREVER(R.string.arrays__mute_forever, getTime = { Long.MAX_VALUE });

2
app/src/main/java/org/thoughtcrime/securesms/util/MemoryFileUtil.java
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@ -22,7 +22,7 @@ public class MemoryFileUtil {
int fd = field.getInt(fileDescriptor);
return ParcelFileDescriptor.adoptFd(fd);
return ParcelFileDescriptor.fromFd(fd);
} catch (IllegalAccessException e) {
throw new IOException(e);
} catch (InvocationTargetException e) {

68
app/src/main/java/org/thoughtcrime/securesms/util/VersionUtil.kt Normal file
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@ -0,0 +1,68 @@
package org.thoughtcrime.securesms.util
import android.os.Handler
import android.os.Looper
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.Job
import kotlinx.coroutines.launch
import org.session.libsession.messaging.file_server.FileServerApi
import org.session.libsession.utilities.TextSecurePreferences
import org.session.libsignal.utilities.Log
import java.util.concurrent.TimeUnit
class VersionUtil(
private val prefs: TextSecurePreferences
) {
private val TAG: String = VersionUtil::class.java.simpleName
private val FOUR_HOURS: Long = TimeUnit.HOURS.toMillis(4)
private val handler = Handler(Looper.getMainLooper())
private val runnable: Runnable
private val scope = CoroutineScope(Dispatchers.Default)
private var job: Job? = null
init {
runnable = Runnable {
fetchAndScheduleNextVersionCheck()
}
}
fun startTimedVersionCheck() {
handler.post(runnable)
}
fun stopTimedVersionCheck() {
handler.removeCallbacks(runnable)
}
fun clear() {
job?.cancel()
stopTimedVersionCheck()
}
private fun fetchAndScheduleNextVersionCheck() {
fetchVersionData()
handler.postDelayed(runnable, FOUR_HOURS)
}
private fun fetchVersionData() {
// only perform this if at least 4h has elapsed since th last successful check
val lastCheck = System.currentTimeMillis() - prefs.getLastVersionCheck()
if (lastCheck < FOUR_HOURS) return
job?.cancel()
job = scope.launch {
try {
// perform the version check
val clientVersion = FileServerApi.getClientVersion()
Log.i(TAG, "Fetched version data: $clientVersion")
prefs.setLastVersionCheck()
} catch (e: Exception) {
// we can silently ignore the error
Log.e(TAG, "Error fetching version data: $e")
}
}
}
}

1
libsession-util/src/main/cpp/CMakeLists.txt
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@ -30,6 +30,7 @@ set(SOURCES
config_base.cpp
contacts.cpp
conversation.cpp
blinded_key.cpp
util.cpp)
add_library( # Sets the name of the library.

34
libsession-util/src/main/cpp/blinded_key.cpp Normal file
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@ -0,0 +1,34 @@
#include <jni.h>
#include <session/blinding.hpp>
#include "util.h"
#include "jni_utils.h"
//
// Created by Thomas Ruffie on 29/7/2024.
//
extern "C"
JNIEXPORT jobject JNICALL
Java_network_loki_messenger_libsession_1util_util_BlindKeyAPI_blindVersionKeyPair(JNIEnv *env,
jobject thiz,
jbyteArray ed25519_secret_key) {
return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
const auto [pk, sk] = session::blind_version_key_pair(util::ustring_from_bytes(env, ed25519_secret_key));
jclass kp_class = env->FindClass("network/loki/messenger/libsession_util/util/KeyPair");
jmethodID kp_constructor = env->GetMethodID(kp_class, "<init>", "([B[B)V");
return env->NewObject(kp_class, kp_constructor, util::bytes_from_ustring(env, {pk.data(), pk.size()}), util::bytes_from_ustring(env, {sk.data(), sk.size()}));
});
}
extern "C"
JNIEXPORT jbyteArray JNICALL
Java_network_loki_messenger_libsession_1util_util_BlindKeyAPI_blindVersionSign(JNIEnv *env,
jobject thiz,
jbyteArray ed25519_secret_key,
jlong timestamp) {
return jni_utils::run_catching_cxx_exception_or_throws<jbyteArray>(env, [=] {
auto bytes = session::blind_version_sign(util::ustring_from_bytes(env, ed25519_secret_key), session::Platform::android, timestamp);
return util::bytes_from_ustring(env, bytes);
});
}

15
libsession-util/src/main/java/network/loki/messenger/libsession_util/util/BlindKeyAPI.kt Normal file
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@ -0,0 +1,15 @@
package network.loki.messenger.libsession_util.util
object BlindKeyAPI {
private val loadLibrary by lazy {
System.loadLibrary("session_util")
}
init {
// Ensure the library is loaded at initialization
loadLibrary
}
external fun blindVersionKeyPair(ed25519SecretKey: ByteArray): KeyPair
external fun blindVersionSign(ed25519SecretKey: ByteArray, timestamp: Long): ByteArray
}

58
libsession/src/main/java/org/session/libsession/messaging/file_server/FileServerApi.kt
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@ -1,18 +1,22 @@
package org.session.libsession.messaging.file_server
import android.util.Base64
import network.loki.messenger.libsession_util.util.BlindKeyAPI
import nl.komponents.kovenant.Promise
import nl.komponents.kovenant.functional.map
import okhttp3.Headers
import okhttp3.Headers.Companion.toHeaders
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
import okhttp3.MediaType
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody
import org.session.libsession.messaging.MessagingModuleConfiguration
import org.session.libsession.snode.OnionRequestAPI
import org.session.libsession.snode.utilities.await
import org.session.libsignal.utilities.HTTP
import org.session.libsignal.utilities.JsonUtil
import org.session.libsignal.utilities.Log
import org.session.libsignal.utilities.toHexString
import java.util.concurrent.TimeUnit
object FileServerApi {
@ -23,6 +27,7 @@ object FileServerApi {
sealed class Error(message: String) : Exception(message) {
object ParsingFailed : Error("Invalid response.")
object InvalidURL : Error("Invalid URL.")
object NoEd25519KeyPair : Error("Couldn't find ed25519 key pair.")
}
data class Request(
@ -105,4 +110,53 @@ object FileServerApi {
val request = Request(verb = HTTP.Verb.GET, endpoint = "file/$file")
return send(request)
}
/**
* Returns the current version of session
* This is effectively proxying (and caching) the response from the github release
* page.
*
* Note that the value is cached and can be up to 30 minutes out of date normally, and up to 24
* hours out of date if we cannot reach the Github API for some reason.
*
* https://github.com/oxen-io/session-file-server/blob/dev/doc/api.yaml#L119
*/
suspend fun getClientVersion(): VersionData {
// Generate the auth signature
val secretKey = MessagingModuleConfiguration.shared.getUserED25519KeyPair()?.secretKey?.asBytes
?: throw (Error.NoEd25519KeyPair)
val blindedKeys = BlindKeyAPI.blindVersionKeyPair(secretKey)
val timestamp = TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis()) // The current timestamp in seconds
val signature = BlindKeyAPI.blindVersionSign(secretKey, timestamp)
// The hex encoded version-blinded public key with a 07 prefix
val blindedPkHex = buildString {
append("07")
append(blindedKeys.pubKey.toHexString())
}
val request = Request(
verb = HTTP.Verb.GET,
endpoint = "session_version",
queryParameters = mapOf("platform" to "android"),
headers = mapOf(
"X-FS-Pubkey" to blindedPkHex,
"X-FS-Timestamp" to timestamp.toString(),
"X-FS-Signature" to Base64.encodeToString(signature, Base64.NO_WRAP)
)
)
// transform the promise into a coroutine
val result = send(request).await()
// map out the result
return JsonUtil.fromJson(result, Map::class.java).let {
VersionData(
statusCode = it["status_code"] as? Int ?: 0,
version = it["result"] as? String ?: "",
updated = it["updated"] as? Double ?: 0.0
)
}
}
}

7
libsession/src/main/java/org/session/libsession/messaging/file_server/VersionData.kt Normal file
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@ -0,0 +1,7 @@
package org.session.libsession.messaging.file_server
data class VersionData(
val statusCode: Int, // The value 200. Included for backwards compatibility, and may be removed someday.
val version: String, // The Session version.
val updated: Double // The unix timestamp when this version was retrieved from Github; this can be up to 24 hours ago in case of consistent fetch errors, though normally will be within the last 30 minutes.
)

13
libsession/src/main/java/org/session/libsession/snode/utilities/PromiseUtil.kt Normal file
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@ -0,0 +1,13 @@
package org.session.libsession.snode.utilities
import nl.komponents.kovenant.Promise
import kotlin.coroutines.resume
import kotlin.coroutines.resumeWithException
import kotlin.coroutines.suspendCoroutine
suspend fun <T, E: Throwable> Promise<T, E>.await(): T {
return suspendCoroutine { cont ->
success(cont::resume)
fail(cont::resumeWithException)
}
}

13
libsession/src/main/java/org/session/libsession/utilities/TextSecurePreferences.kt
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@ -13,6 +13,7 @@ import kotlinx.coroutines.channels.BufferOverflow
import kotlinx.coroutines.flow.MutableSharedFlow
import kotlinx.coroutines.flow.asSharedFlow
import org.session.libsession.R
import org.session.libsession.utilities.TextSecurePreferences.Companion
import org.session.libsession.utilities.TextSecurePreferences.Companion.AUTOPLAY_AUDIO_MESSAGES
import org.session.libsession.utilities.TextSecurePreferences.Companion.CALL_NOTIFICATIONS_ENABLED
import org.session.libsession.utilities.TextSecurePreferences.Companion.CLASSIC_DARK
@ -20,6 +21,7 @@ import org.session.libsession.utilities.TextSecurePreferences.Companion.CLASSIC_
import org.session.libsession.utilities.TextSecurePreferences.Companion.FOLLOW_SYSTEM_SETTINGS
import org.session.libsession.utilities.TextSecurePreferences.Companion.HIDE_PASSWORD
import org.session.libsession.utilities.TextSecurePreferences.Companion.LAST_VACUUM_TIME
import org.session.libsession.utilities.TextSecurePreferences.Companion.LAST_VERSION_CHECK
import org.session.libsession.utilities.TextSecurePreferences.Companion.LEGACY_PREF_KEY_SELECTED_UI_MODE
import org.session.libsession.utilities.TextSecurePreferences.Companion.OCEAN_DARK
import org.session.libsession.utilities.TextSecurePreferences.Companion.OCEAN_LIGHT
@ -186,6 +188,8 @@ interface TextSecurePreferences {
fun clearAll()
fun getHidePassword(): Boolean
fun setHidePassword(value: Boolean)
fun getLastVersionCheck(): Long
fun setLastVersionCheck()
companion object {
val TAG = TextSecurePreferences::class.simpleName
@ -272,6 +276,7 @@ interface TextSecurePreferences {
const val AUTOPLAY_AUDIO_MESSAGES = "pref_autoplay_audio"
const val FINGERPRINT_KEY_GENERATED = "fingerprint_key_generated"
const val SELECTED_ACCENT_COLOR = "selected_accent_color"
const val LAST_VERSION_CHECK = "pref_last_version_check"
const val HAS_RECEIVED_LEGACY_CONFIG = "has_received_legacy_config"
const val HAS_FORCED_NEW_CONFIG = "has_forced_new_config"
@ -1541,6 +1546,14 @@ class AppTextSecurePreferences @Inject constructor(
setLongPreference(LAST_VACUUM_TIME, System.currentTimeMillis())
}
override fun getLastVersionCheck(): Long {
return getLongPreference(LAST_VERSION_CHECK, 0)
}
override fun setLastVersionCheck() {
setLongPreference(LAST_VERSION_CHECK, System.currentTimeMillis())
}
override fun setShownCallNotification(): Boolean {
val previousValue = getBooleanPreference(SHOWN_CALL_NOTIFICATION, false)
if (previousValue) return false