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Signal-Android/app/src/main/java/org/thoughtcrime/securesms/util/FeatureFlags.java

911 wiersze
34 KiB
Java
Czysty Wina Historia

package org.thoughtcrime.securesms.util;
import android.text.TextUtils;
import androidx.annotation.NonNull;
import androidx.annotation.VisibleForTesting;
import androidx.annotation.WorkerThread;
import com.annimon.stream.Stream;
import org.json.JSONException;
import org.json.JSONObject;
import org.signal.core.util.SetUtil;
import org.signal.core.util.logging.Log;
import org.thoughtcrime.securesms.BuildConfig;
import org.thoughtcrime.securesms.dependencies.ApplicationDependencies;
import org.thoughtcrime.securesms.groups.SelectionLimits;
import org.thoughtcrime.securesms.jobs.RefreshAttributesJob;
import org.thoughtcrime.securesms.jobs.RefreshOwnProfileJob;
import org.thoughtcrime.securesms.jobs.RemoteConfigRefreshJob;
import org.thoughtcrime.securesms.keyvalue.SignalStore;
import org.thoughtcrime.securesms.messageprocessingalarm.MessageProcessReceiver;
import java.io.IOException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.TreeMap;
import java.util.concurrent.TimeUnit;
/**
* A location for flags that can be set locally and remotely. These flags can guard features that
* are not yet ready to be activated.
*
* When creating a new flag:
* - Create a new string constant. This should almost certainly be prefixed with "android."
* - Add a method to retrieve the value using {@link #getBoolean(String, boolean)}. You can also add
* other checks here, like requiring other flags.
* - If you want to be able to change a flag remotely, place it in {@link #REMOTE_CAPABLE}.
* - If you would like to force a value for testing, place an entry in {@link #FORCED_VALUES}.
* Do not commit changes to this map!
*
* Other interesting things you can do:
* - Make a flag {@link #HOT_SWAPPABLE}
* - Make a flag {@link #STICKY} -- booleans only!
* - Register a listener for flag changes in {@link #FLAG_CHANGE_LISTENERS}
*/
public final class FeatureFlags {
private static final String TAG = Log.tag(FeatureFlags.class);
private static final long FETCH_INTERVAL = TimeUnit.HOURS.toMillis(2);
private static final String PAYMENTS_KILL_SWITCH = "android.payments.kill";
private static final String GROUPS_V2_RECOMMENDED_LIMIT = "global.groupsv2.maxGroupSize";
private static final String GROUPS_V2_HARD_LIMIT = "global.groupsv2.groupSizeHardLimit";
private static final String GROUP_NAME_MAX_LENGTH = "global.groupsv2.maxNameLength";
private static final String INTERNAL_USER = "android.internalUser";
private static final String VERIFY_V2 = "android.verifyV2";
private static final String CLIENT_EXPIRATION = "android.clientExpiration";
public static final String DONATE_MEGAPHONE = "android.donate.2";
private static final String CUSTOM_VIDEO_MUXER = "android.customVideoMuxer";
private static final String CDS_REFRESH_INTERVAL = "cds.syncInterval.seconds";
private static final String AUTOMATIC_SESSION_RESET = "android.automaticSessionReset.2";
private static final String AUTOMATIC_SESSION_INTERVAL = "android.automaticSessionResetInterval";
private static final String DEFAULT_MAX_BACKOFF = "android.defaultMaxBackoff";
private static final String SERVER_ERROR_MAX_BACKOFF = "android.serverErrorMaxBackoff";
private static final String OKHTTP_AUTOMATIC_RETRY = "android.okhttpAutomaticRetry";
private static final String SHARE_SELECTION_LIMIT = "android.share.limit";
private static final String ANIMATED_STICKER_MIN_MEMORY = "android.animatedStickerMinMemory";
private static final String ANIMATED_STICKER_MIN_TOTAL_MEMORY = "android.animatedStickerMinTotalMemory";
private static final String MESSAGE_PROCESSOR_ALARM_INTERVAL = "android.messageProcessor.alarmIntervalMins";
private static final String MESSAGE_PROCESSOR_DELAY = "android.messageProcessor.foregroundDelayMs";
private static final String MEDIA_QUALITY_LEVELS = "android.mediaQuality.levels";
private static final String RETRY_RECEIPT_LIFESPAN = "android.retryReceiptLifespan";
private static final String RETRY_RESPOND_MAX_AGE = "android.retryRespondMaxAge";
private static final String SENDER_KEY_MAX_AGE = "android.senderKeyMaxAge";
private static final String RETRY_RECEIPTS = "android.retryReceipts";
private static final String MAX_GROUP_CALL_RING_SIZE = "global.calling.maxGroupCallRingSize";
private static final String GROUP_CALL_RINGING = "android.calling.groupCallRinging.2";
private static final String STORIES_TEXT_FUNCTIONS = "android.stories.text.functions";
private static final String HARDWARE_AEC_BLOCKLIST_MODELS = "android.calling.hardwareAecBlockList";
private static final String SOFTWARE_AEC_BLOCKLIST_MODELS = "android.calling.softwareAecBlockList";
private static final String USE_HARDWARE_AEC_IF_OLD = "android.calling.useHardwareAecIfOlderThanApi29";
private static final String USE_AEC3 = "android.calling.useAec3";
private static final String PAYMENTS_COUNTRY_BLOCKLIST = "android.payments.blocklist";
private static final String PHONE_NUMBER_PRIVACY = "android.pnp";
private static final String USE_FCM_FOREGROUND_SERVICE = "android.useFcmForegroundService.3";
private static final String STORIES_AUTO_DOWNLOAD_MAXIMUM = "android.stories.autoDownloadMaximum";
private static final String GIFT_BADGE_RECEIVE_SUPPORT = "android.giftBadges.receiving";
private static final String GIFT_BADGE_SEND_SUPPORT = "android.giftBadges.sending.3";
private static final String TELECOM_MANUFACTURER_ALLOWLIST = "android.calling.telecomAllowList";
private static final String TELECOM_MODEL_BLOCKLIST = "android.calling.telecomModelBlockList";
private static final String CAMERAX_MODEL_BLOCKLIST = "android.cameraXModelBlockList";
private static final String CAMERAX_MIXED_MODEL_BLOCKLIST = "android.cameraXMixedModelBlockList";
private static final String RECIPIENT_MERGE_V2 = "android.recipientMergeV2";
private static final String SMS_EXPORTER = "android.sms.exporter.2";
private static final String HIDE_CONTACTS = "android.hide.contacts";
public static final String CREDIT_CARD_PAYMENTS = "android.credit.card.payments.3";
private static final String PAYMENTS_REQUEST_ACTIVATE_FLOW = "android.payments.requestActivateFlow";
private static final String KEEP_MUTED_CHATS_ARCHIVED = "android.keepMutedChatsArchived";
public static final String GOOGLE_PAY_DISABLED_REGIONS = "global.donations.gpayDisabledRegions";
public static final String CREDIT_CARD_DISABLED_REGIONS = "global.donations.ccDisabledRegions";
public static final String PAYPAL_DISABLED_REGIONS = "global.donations.paypalDisabledRegions";
private static final String CDS_HARD_LIMIT = "android.cds.hardLimit";
private static final String PAYMENTS_IN_CHAT_MESSAGES = "android.payments.inChatMessages";
private static final String CHAT_FILTERS = "android.chat.filters";
/**
* We will only store remote values for flags in this set. If you want a flag to be controllable
* remotely, place it in here.
*/
@VisibleForTesting
static final Set<String> REMOTE_CAPABLE = SetUtil.newHashSet(
PAYMENTS_KILL_SWITCH,
GROUPS_V2_RECOMMENDED_LIMIT,
GROUPS_V2_HARD_LIMIT,
INTERNAL_USER,
VERIFY_V2,
CLIENT_EXPIRATION,
DONATE_MEGAPHONE,
CUSTOM_VIDEO_MUXER,
CDS_REFRESH_INTERVAL,
GROUP_NAME_MAX_LENGTH,
AUTOMATIC_SESSION_RESET,
AUTOMATIC_SESSION_INTERVAL,
DEFAULT_MAX_BACKOFF,
SERVER_ERROR_MAX_BACKOFF,
OKHTTP_AUTOMATIC_RETRY,
SHARE_SELECTION_LIMIT,
ANIMATED_STICKER_MIN_MEMORY,
ANIMATED_STICKER_MIN_TOTAL_MEMORY,
MESSAGE_PROCESSOR_ALARM_INTERVAL,
MESSAGE_PROCESSOR_DELAY,
MEDIA_QUALITY_LEVELS,
RETRY_RECEIPT_LIFESPAN,
RETRY_RESPOND_MAX_AGE,
RETRY_RECEIPTS,
MAX_GROUP_CALL_RING_SIZE,
GROUP_CALL_RINGING,
SENDER_KEY_MAX_AGE,
STORIES_TEXT_FUNCTIONS,
HARDWARE_AEC_BLOCKLIST_MODELS,
SOFTWARE_AEC_BLOCKLIST_MODELS,
USE_HARDWARE_AEC_IF_OLD,
USE_AEC3,
PAYMENTS_COUNTRY_BLOCKLIST,
USE_FCM_FOREGROUND_SERVICE,
STORIES_AUTO_DOWNLOAD_MAXIMUM,
GIFT_BADGE_RECEIVE_SUPPORT,
GIFT_BADGE_SEND_SUPPORT,
TELECOM_MANUFACTURER_ALLOWLIST,
TELECOM_MODEL_BLOCKLIST,
CAMERAX_MODEL_BLOCKLIST,
CAMERAX_MIXED_MODEL_BLOCKLIST,
RECIPIENT_MERGE_V2,
SMS_EXPORTER,
HIDE_CONTACTS,
CREDIT_CARD_PAYMENTS,
PAYMENTS_REQUEST_ACTIVATE_FLOW,
KEEP_MUTED_CHATS_ARCHIVED,
GOOGLE_PAY_DISABLED_REGIONS,
CREDIT_CARD_DISABLED_REGIONS,
PAYPAL_DISABLED_REGIONS,
KEEP_MUTED_CHATS_ARCHIVED,
CDS_HARD_LIMIT,
PAYMENTS_IN_CHAT_MESSAGES,
CHAT_FILTERS
);
@VisibleForTesting
static final Set<String> NOT_REMOTE_CAPABLE = SetUtil.newHashSet(
PHONE_NUMBER_PRIVACY
);
/**
* Values in this map will take precedence over any value. This should only be used for local
* development. Given that you specify a default when retrieving a value, and that we only store
* remote values for things in {@link #REMOTE_CAPABLE}, there should be no need to ever *commit*
* an addition to this map.
*/
@SuppressWarnings("MismatchedQueryAndUpdateOfCollection")
@VisibleForTesting
static final Map<String, Object> FORCED_VALUES = new HashMap<String, Object>() {{
}};
/**
* By default, flags are only updated once at app start. This is to ensure that values don't
* change within an app session, simplifying logic. However, given that this can delay how often
* a flag is updated, you can put a flag in here to mark it as 'hot swappable'. Flags in this set
* will be updated arbitrarily at runtime. This will make values more responsive, but also places
* more burden on the reader to ensure that the app experience remains consistent.
*/
@VisibleForTesting
static final Set<String> HOT_SWAPPABLE = SetUtil.newHashSet(
VERIFY_V2,
CLIENT_EXPIRATION,
CUSTOM_VIDEO_MUXER,
CDS_REFRESH_INTERVAL,
GROUP_NAME_MAX_LENGTH,
AUTOMATIC_SESSION_RESET,
AUTOMATIC_SESSION_INTERVAL,
DEFAULT_MAX_BACKOFF,
SERVER_ERROR_MAX_BACKOFF,
OKHTTP_AUTOMATIC_RETRY,
SHARE_SELECTION_LIMIT,
ANIMATED_STICKER_MIN_MEMORY,
ANIMATED_STICKER_MIN_TOTAL_MEMORY,
MESSAGE_PROCESSOR_ALARM_INTERVAL,
MESSAGE_PROCESSOR_DELAY,
MEDIA_QUALITY_LEVELS,
RETRY_RECEIPT_LIFESPAN,
RETRY_RESPOND_MAX_AGE,
RETRY_RECEIPTS,
MAX_GROUP_CALL_RING_SIZE,
GROUP_CALL_RINGING,
SENDER_KEY_MAX_AGE,
DONATE_MEGAPHONE,
HARDWARE_AEC_BLOCKLIST_MODELS,
SOFTWARE_AEC_BLOCKLIST_MODELS,
USE_HARDWARE_AEC_IF_OLD,
USE_AEC3,
PAYMENTS_COUNTRY_BLOCKLIST,
USE_FCM_FOREGROUND_SERVICE,
TELECOM_MANUFACTURER_ALLOWLIST,
TELECOM_MODEL_BLOCKLIST,
CAMERAX_MODEL_BLOCKLIST,
RECIPIENT_MERGE_V2,
CREDIT_CARD_PAYMENTS,
PAYMENTS_REQUEST_ACTIVATE_FLOW,
KEEP_MUTED_CHATS_ARCHIVED,
CDS_HARD_LIMIT,
PAYMENTS_IN_CHAT_MESSAGES
);
/**
* Flags in this set will stay true forever once they receive a true value from a remote config.
*/
@VisibleForTesting
static final Set<String> STICKY = SetUtil.newHashSet(
VERIFY_V2
);
/**
* Listeners that are called when the value in {@link #REMOTE_VALUES} changes. That means that
* hot-swappable flags will have this invoked as soon as we know about that change, but otherwise
* these will only run during initialization.
*
* These can be called on any thread, including the main thread, so be careful!
*
* Also note that this doesn't play well with {@link #FORCED_VALUES} -- changes there will not
* trigger changes in this map, so you'll have to do some manual hacking to get yourself in the
* desired test state.
*/
private static final Map<String, OnFlagChange> FLAG_CHANGE_LISTENERS = new HashMap<String, OnFlagChange>() {{
put(MESSAGE_PROCESSOR_ALARM_INTERVAL, change -> MessageProcessReceiver.startOrUpdateAlarm(ApplicationDependencies.getApplication()));
put(GIFT_BADGE_RECEIVE_SUPPORT, change -> ApplicationDependencies.getJobManager().startChain(new RefreshAttributesJob()).then(new RefreshOwnProfileJob()).enqueue());
}};
private static final Map<String, Object> REMOTE_VALUES = new TreeMap<>();
private FeatureFlags() {}
public static synchronized void init() {
Map<String, Object> current = parseStoredConfig(SignalStore.remoteConfigValues().getCurrentConfig());
Map<String, Object> pending = parseStoredConfig(SignalStore.remoteConfigValues().getPendingConfig());
Map<String, Change> changes = computeChanges(current, pending);
SignalStore.remoteConfigValues().setCurrentConfig(mapToJson(pending));
REMOTE_VALUES.putAll(pending);
triggerFlagChangeListeners(changes);
Log.i(TAG, "init() " + REMOTE_VALUES.toString());
}
public static void refreshIfNecessary() {
long timeSinceLastFetch = System.currentTimeMillis() - SignalStore.remoteConfigValues().getLastFetchTime();
if (timeSinceLastFetch < 0 || timeSinceLastFetch > FETCH_INTERVAL) {
Log.i(TAG, "Scheduling remote config refresh.");
ApplicationDependencies.getJobManager().add(new RemoteConfigRefreshJob());
} else {
Log.i(TAG, "Skipping remote config refresh. Refreshed " + timeSinceLastFetch + " ms ago.");
}
}
@WorkerThread
public static void refreshSync() throws IOException {
Map<String, Object> config = ApplicationDependencies.getSignalServiceAccountManager().getRemoteConfig();
FeatureFlags.update(config);
}
public static synchronized void update(@NonNull Map<String, Object> config) {
Map<String, Object> memory = REMOTE_VALUES;
Map<String, Object> disk = parseStoredConfig(SignalStore.remoteConfigValues().getPendingConfig());
UpdateResult result = updateInternal(config, memory, disk, REMOTE_CAPABLE, HOT_SWAPPABLE, STICKY);
SignalStore.remoteConfigValues().setPendingConfig(mapToJson(result.getDisk()));
REMOTE_VALUES.clear();
REMOTE_VALUES.putAll(result.getMemory());
triggerFlagChangeListeners(result.getMemoryChanges());
SignalStore.remoteConfigValues().setLastFetchTime(System.currentTimeMillis());
Log.i(TAG, "[Memory] Before: " + memory.toString());
Log.i(TAG, "[Memory] After : " + result.getMemory().toString());
Log.i(TAG, "[Disk] Before: " + disk.toString());
Log.i(TAG, "[Disk] After : " + result.getDisk().toString());
}
/** Creating usernames, sending messages by username. */
public static synchronized boolean usernames() {
// For now these features are paired, but leaving the separate method in case we decide to separate in the future.
return phoneNumberPrivacy();
}
/**
* Maximum number of members allowed in a group.
*/
public static SelectionLimits groupLimits() {
return new SelectionLimits(getInteger(GROUPS_V2_RECOMMENDED_LIMIT, 151),
getInteger(GROUPS_V2_HARD_LIMIT, 1001));
}
/** Payments Support */
public static boolean payments() {
return !getBoolean(PAYMENTS_KILL_SWITCH, false);
}
/** Internal testing extensions. */
public static boolean internalUser() {
return getBoolean(INTERNAL_USER, false);
}
/** Whether or not to use the UUID in verification codes. */
public static boolean verifyV2() {
return getBoolean(VERIFY_V2, false);
}
/** The raw client expiration JSON string. */
public static String clientExpiration() {
return getString(CLIENT_EXPIRATION, null);
}
/** The raw donate megaphone CSV string */
public static String donateMegaphone() {
return getString(DONATE_MEGAPHONE, "");
}
/**
* Whether phone number privacy is enabled.
* IMPORTANT: This is under active development. Enabling this *will* break your contacts in terrible, irreversible ways.
*/
public static boolean phoneNumberPrivacy() {
return getBoolean(PHONE_NUMBER_PRIVACY, false);
}
/** Whether to use the custom streaming muxer or built in android muxer. */
public static boolean useStreamingVideoMuxer() {
return getBoolean(CUSTOM_VIDEO_MUXER, false);
}
/** The time in between routine CDS refreshes, in seconds. */
public static int cdsRefreshIntervalSeconds() {
return getInteger(CDS_REFRESH_INTERVAL, (int) TimeUnit.HOURS.toSeconds(48));
}
public static @NonNull SelectionLimits shareSelectionLimit() {
int limit = getInteger(SHARE_SELECTION_LIMIT, 5);
return new SelectionLimits(limit, limit);
}
/** The maximum number of grapheme */
public static int getMaxGroupNameGraphemeLength() {
return Math.max(32, getInteger(GROUP_NAME_MAX_LENGTH, -1));
}
/** Whether or not to allow automatic session resets. */
public static boolean automaticSessionReset() {
return getBoolean(AUTOMATIC_SESSION_RESET, true);
}
/** How often we allow an automatic session reset. */
public static int automaticSessionResetIntervalSeconds() {
return getInteger(AUTOMATIC_SESSION_RESET, (int) TimeUnit.HOURS.toSeconds(1));
}
/** The default maximum backoff for jobs. */
public static long getDefaultMaxBackoff() {
return TimeUnit.SECONDS.toMillis(getInteger(DEFAULT_MAX_BACKOFF, 60));
}
/** The maximum backoff for network jobs that hit a 5xx error. */
public static long getServerErrorMaxBackoff() {
return TimeUnit.SECONDS.toMillis(getInteger(SERVER_ERROR_MAX_BACKOFF, (int) TimeUnit.HOURS.toSeconds(6)));
}
/** Whether or not to allow automatic retries from OkHttp */
public static boolean okHttpAutomaticRetry() {
return getBoolean(OKHTTP_AUTOMATIC_RETRY, true);
}
/** The minimum memory class required for rendering animated stickers in the keyboard and such */
public static int animatedStickerMinimumMemoryClass() {
return getInteger(ANIMATED_STICKER_MIN_MEMORY, 193);
}
/** The minimum total memory for rendering animated stickers in the keyboard and such */
public static int animatedStickerMinimumTotalMemoryMb() {
return getInteger(ANIMATED_STICKER_MIN_TOTAL_MEMORY, (int) ByteUnit.GIGABYTES.toMegabytes(3));
}
public static @NonNull String getMediaQualityLevels() {
return getString(MEDIA_QUALITY_LEVELS, "");
}
/** Whether or not sending or responding to retry receipts is enabled. */
public static boolean retryReceipts() {
return getBoolean(RETRY_RECEIPTS, true);
}
/** How long to wait before considering a retry to be a failure. */
public static long retryReceiptLifespan() {
return getLong(RETRY_RECEIPT_LIFESPAN, TimeUnit.HOURS.toMillis(1));
}
/** How old a message is allowed to be while still resending in response to a retry receipt . */
public static long retryRespondMaxAge() {
return getLong(RETRY_RESPOND_MAX_AGE, TimeUnit.DAYS.toMillis(14));
}
/** How long a sender key can live before it needs to be rotated. */
public static long senderKeyMaxAge() {
return Math.min(getLong(SENDER_KEY_MAX_AGE, TimeUnit.DAYS.toMillis(14)), TimeUnit.DAYS.toMillis(90));
}
/** Max group size that can be use group call ringing. */
public static long maxGroupCallRingSize() {
return getLong(MAX_GROUP_CALL_RING_SIZE, 16);
}
/** Whether or not to show the group call ring toggle in the UI. */
public static boolean groupCallRinging() {
return getBoolean(GROUP_CALL_RINGING, false);
}
/** A comma-separated list of country codes where payments should be disabled. */
public static String paymentsCountryBlocklist() {
return getString(PAYMENTS_COUNTRY_BLOCKLIST, "98,963,53,850,7");
}
/**
* Whether users can apply alignment and scale to text posts
*
* NOTE: This feature is still under ongoing development, do not enable.
*/
public static boolean storiesTextFunctions() {
return getBoolean(STORIES_TEXT_FUNCTIONS, false);
}
/** A comma-separated list of models that should *not* use hardware AEC for calling. */
public static @NonNull String hardwareAecBlocklistModels() {
return getString(HARDWARE_AEC_BLOCKLIST_MODELS, "");
}
/** A comma-separated list of models that should *not* use software AEC for calling. */
public static @NonNull String softwareAecBlocklistModels() {
return getString(SOFTWARE_AEC_BLOCKLIST_MODELS, "");
}
/** A comma-separated list of manufacturers that *should* use Telecom for calling. */
public static @NonNull String telecomManufacturerAllowList() {
return getString(TELECOM_MANUFACTURER_ALLOWLIST, "");
}
/** A comma-separated list of manufacturers that *should* use Telecom for calling. */
public static @NonNull String telecomModelBlockList() {
return getString(TELECOM_MODEL_BLOCKLIST, "");
}
/** A comma-separated list of manufacturers that should *not* use CameraX. */
public static @NonNull String cameraXModelBlocklist() {
return getString(CAMERAX_MODEL_BLOCKLIST, "");
}
/** A comma-separated list of manufacturers that should *not* use CameraX mixed mode. */
public static @NonNull String cameraXMixedModelBlocklist() {
return getString(CAMERAX_MIXED_MODEL_BLOCKLIST, "");
}
/** Whether or not hardware AEC should be used for calling on devices older than API 29. */
public static boolean useHardwareAecIfOlderThanApi29() {
return getBoolean(USE_HARDWARE_AEC_IF_OLD, false);
}
/** Whether or not {@link org.signal.ringrtc.CallManager.AudioProcessingMethod#ForceSoftwareAec3} can be used */
public static boolean useAec3() {
return getBoolean(USE_AEC3, true);
}
public static boolean useFcmForegroundService() {
return getBoolean(USE_FCM_FOREGROUND_SERVICE, false);
}
/**
* Prefetch count for stories from a given user.
*/
public static int storiesAutoDownloadMaximum() {
return getInteger(STORIES_AUTO_DOWNLOAD_MAXIMUM, 2);
}
/**
* Whether or not receiving Gifting Badges should be available on this client.
*/
public static boolean giftBadgeReceiveSupport() {
return getBoolean(GIFT_BADGE_RECEIVE_SUPPORT, Environment.IS_STAGING);
}
/**
* Whether or not sending Gifting Badges should be available on this client.
*/
public static boolean giftBadgeSendSupport() {
return giftBadgeReceiveSupport() && getBoolean(GIFT_BADGE_SEND_SUPPORT, Environment.IS_STAGING);
}
/**
* Whether or not we should enable the SMS exporter
*
* WARNING: This feature is under active development and is off for a reason. The exporter writes messages out to your
* system SMS / MMS database, and hasn't been adequately tested for public use. Don't enable this. You've been warned.
*/
public static boolean smsExporter() {
return getBoolean(SMS_EXPORTER, false);
}
/**
* Whether or not users can hide contacts.
*
* WARNING: This feature is intended to be enabled in tandem with other clients, as it modifies contact records.
* Here be dragons.
*/
public static boolean hideContacts() {
return getBoolean(HIDE_CONTACTS, false);
}
/**
* Whether or not we should allow credit card payments for donations
*
* WARNING: This feature is not done, and this should not be enabled.
*/
public static boolean creditCardPayments() {
return getBoolean(CREDIT_CARD_PAYMENTS, Environment.IS_STAGING);
}
/** Whether client supports sending a request to another to activate payments */
public static boolean paymentsRequestActivateFlow() {
return getBoolean(PAYMENTS_REQUEST_ACTIVATE_FLOW, false);
}
/** Whether client supports processing a payment notification as a in-chat message */
public static boolean paymentsInChatMessages() {
return getBoolean(PAYMENTS_IN_CHAT_MESSAGES, false);
}
/**
* Whether users can enable keeping conversations with incoming messages archived if the conversation is muted.
*/
public static boolean keepMutedChatsArchived() {
return getBoolean(KEEP_MUTED_CHATS_ARCHIVED, false);
}
/**
* @return Serialized list of regions in which Google Pay is disabled for donations
*/
public static @NonNull String googlePayDisabledRegions() {
return getString(GOOGLE_PAY_DISABLED_REGIONS, "*");
}
/**
* @return Serialized list of regions in which credit cards are disabled for donations
*/
public static @NonNull String creditCardDisabledRegions() {
return getString(CREDIT_CARD_DISABLED_REGIONS, "*");
}
/**
* @return Serialized list of regions in which PayPal is disabled for donations
*/
public static @NonNull String paypalDisabledRegions() {
return getString(PAYPAL_DISABLED_REGIONS, "*");
}
/**
* If the user has more than this number of contacts, the CDS request will certainly be rejected, so we must fail.
*/
public static int cdsHardLimit() {
return getInteger(CDS_HARD_LIMIT, 50_000);
}
/**
* Enables chat filters. Note that this UI is incomplete.
*/
public static boolean chatFilters() {
return getBoolean(CHAT_FILTERS, false);
}
/** Only for rendering debug info. */
public static synchronized @NonNull Map<String, Object> getMemoryValues() {
return new TreeMap<>(REMOTE_VALUES);
}
/** Only for rendering debug info. */
public static synchronized @NonNull Map<String, Object> getDiskValues() {
return new TreeMap<>(parseStoredConfig(SignalStore.remoteConfigValues().getCurrentConfig()));
}
/** Only for rendering debug info. */
public static synchronized @NonNull Map<String, Object> getPendingDiskValues() {
return new TreeMap<>(parseStoredConfig(SignalStore.remoteConfigValues().getPendingConfig()));
}
/** Only for rendering debug info. */
public static synchronized @NonNull Map<String, Object> getForcedValues() {
return new TreeMap<>(FORCED_VALUES);
}
@VisibleForTesting
static @NonNull UpdateResult updateInternal(@NonNull Map<String, Object> remote,
@NonNull Map<String, Object> localMemory,
@NonNull Map<String, Object> localDisk,
@NonNull Set<String> remoteCapable,
@NonNull Set<String> hotSwap,
@NonNull Set<String> sticky)
{
Map<String, Object> newMemory = new TreeMap<>(localMemory);
Map<String, Object> newDisk = new TreeMap<>(localDisk);
Set<String> allKeys = new HashSet<>();
allKeys.addAll(remote.keySet());
allKeys.addAll(localDisk.keySet());
allKeys.addAll(localMemory.keySet());
Stream.of(allKeys)
.filter(remoteCapable::contains)
.forEach(key -> {
Object remoteValue = remote.get(key);
Object diskValue = localDisk.get(key);
Object newValue = remoteValue;
if (newValue != null && diskValue != null && newValue.getClass() != diskValue.getClass()) {
Log.w(TAG, "Type mismatch! key: " + key);
newDisk.remove(key);
if (hotSwap.contains(key)) {
newMemory.remove(key);
}
return;
}
if (sticky.contains(key) && (newValue instanceof Boolean || diskValue instanceof Boolean)) {
newValue = diskValue == Boolean.TRUE ? Boolean.TRUE : newValue;
} else if (sticky.contains(key)) {
Log.w(TAG, "Tried to make a non-boolean sticky! Ignoring. (key: " + key + ")");
}
if (newValue != null) {
newDisk.put(key, newValue);
} else {
newDisk.remove(key);
}
if (hotSwap.contains(key)) {
if (newValue != null) {
newMemory.put(key, newValue);
} else {
newMemory.remove(key);
}
}
});
Stream.of(allKeys)
.filterNot(remoteCapable::contains)
.filterNot(key -> sticky.contains(key) && localDisk.get(key) == Boolean.TRUE)
.forEach(key -> {
newDisk.remove(key);
if (hotSwap.contains(key)) {
newMemory.remove(key);
}
});
return new UpdateResult(newMemory, newDisk, computeChanges(localMemory, newMemory));
}
@VisibleForTesting
static @NonNull Map<String, Change> computeChanges(@NonNull Map<String, Object> oldMap, @NonNull Map<String, Object> newMap) {
Map<String, Change> changes = new HashMap<>();
Set<String> allKeys = new HashSet<>();
allKeys.addAll(oldMap.keySet());
allKeys.addAll(newMap.keySet());
for (String key : allKeys) {
Object oldValue = oldMap.get(key);
Object newValue = newMap.get(key);
if (oldValue == null && newValue == null) {
throw new AssertionError("Should not be possible.");
} else if (oldValue != null && newValue == null) {
changes.put(key, Change.REMOVED);
} else if (newValue != oldValue && newValue instanceof Boolean) {
changes.put(key, (boolean) newValue ? Change.ENABLED : Change.DISABLED);
} else if (!Objects.equals(oldValue, newValue)) {
changes.put(key, Change.CHANGED);
}
}
return changes;
}
private static @NonNull VersionFlag getVersionFlag(@NonNull String key) {
int versionFromKey = getInteger(key, 0);
if (versionFromKey == 0) {
return VersionFlag.OFF;
}
if (BuildConfig.CANONICAL_VERSION_CODE >= versionFromKey) {
return VersionFlag.ON;
} else {
return VersionFlag.ON_IN_FUTURE_VERSION;
}
}
public static long getBackgroundMessageProcessInterval() {
int delayMinutes = getInteger(MESSAGE_PROCESSOR_ALARM_INTERVAL, (int) TimeUnit.HOURS.toMinutes(6));
return TimeUnit.MINUTES.toMillis(delayMinutes);
}
/**
* How long before a "Checking messages" foreground notification is shown to the user.
*/
public static long getBackgroundMessageProcessForegroundDelay() {
return getInteger(MESSAGE_PROCESSOR_DELAY, 300);
}
private enum VersionFlag {
/** The flag is no set */
OFF,
/** The flag is set on for a version higher than the current client version */
ON_IN_FUTURE_VERSION,
/** The flag is set on for this version or earlier */
ON
}
private static boolean getBoolean(@NonNull String key, boolean defaultValue) {
Boolean forced = (Boolean) FORCED_VALUES.get(key);
if (forced != null) {
return forced;
}
Object remote = REMOTE_VALUES.get(key);
if (remote instanceof Boolean) {
return (boolean) remote;
} else if (remote != null) {
Log.w(TAG, "Expected a boolean for key '" + key + "', but got something else! Falling back to the default.");
}
return defaultValue;
}
private static int getInteger(@NonNull String key, int defaultValue) {
Integer forced = (Integer) FORCED_VALUES.get(key);
if (forced != null) {
return forced;
}
Object remote = REMOTE_VALUES.get(key);
if (remote instanceof String) {
try {
return Integer.parseInt((String) remote);
} catch (NumberFormatException e) {
Log.w(TAG, "Expected an int for key '" + key + "', but got something else! Falling back to the default.");
}
}
return defaultValue;
}
private static long getLong(@NonNull String key, long defaultValue) {
Long forced = (Long) FORCED_VALUES.get(key);
if (forced != null) {
return forced;
}
Object remote = REMOTE_VALUES.get(key);
if (remote instanceof String) {
try {
return Long.parseLong((String) remote);
} catch (NumberFormatException e) {
Log.w(TAG, "Expected a long for key '" + key + "', but got something else! Falling back to the default.");
}
}
return defaultValue;
}
private static String getString(@NonNull String key, String defaultValue) {
String forced = (String) FORCED_VALUES.get(key);
if (forced != null) {
return forced;
}
Object remote = REMOTE_VALUES.get(key);
if (remote instanceof String) {
return (String) remote;
}
return defaultValue;
}
private static Map<String, Object> parseStoredConfig(String stored) {
Map<String, Object> parsed = new HashMap<>();
if (TextUtils.isEmpty(stored)) {
Log.i(TAG, "No remote config stored. Skipping.");
return parsed;
}
try {
JSONObject root = new JSONObject(stored);
Iterator<String> iter = root.keys();
while (iter.hasNext()) {
String key = iter.next();
parsed.put(key, root.get(key));
}
} catch (JSONException e) {
throw new AssertionError("Failed to parse! Cleared storage.");
}
return parsed;
}
private static @NonNull String mapToJson(@NonNull Map<String, Object> map) {
try {
JSONObject json = new JSONObject();
for (Map.Entry<String, Object> entry : map.entrySet()) {
json.put(entry.getKey(), entry.getValue());
}
return json.toString();
} catch (JSONException e) {
throw new AssertionError(e);
}
}
private static void triggerFlagChangeListeners(Map<String, Change> changes) {
for (Map.Entry<String, Change> change : changes.entrySet()) {
OnFlagChange listener = FLAG_CHANGE_LISTENERS.get(change.getKey());
if (listener != null) {
Log.i(TAG, "Triggering change listener for: " + change.getKey());
listener.onFlagChange(change.getValue());
}
}
}
@VisibleForTesting
static final class UpdateResult {
private final Map<String, Object> memory;
private final Map<String, Object> disk;
private final Map<String, Change> memoryChanges;
UpdateResult(@NonNull Map<String, Object> memory, @NonNull Map<String, Object> disk, @NonNull Map<String, Change> memoryChanges) {
this.memory = memory;
this.disk = disk;
this.memoryChanges = memoryChanges;
}
public @NonNull Map<String, Object> getMemory() {
return memory;
}
public @NonNull Map<String, Object> getDisk() {
return disk;
}
public @NonNull Map<String, Change> getMemoryChanges() {
return memoryChanges;
}
}
@VisibleForTesting
interface OnFlagChange {
void onFlagChange(@NonNull Change change);
}
enum Change {
ENABLED, DISABLED, CHANGED, REMOVED
}
}
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