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Expire APNs tokens if they haven't been updated since the expiration timestamp

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This commit is contained in:
Jon Chambers
2024-06-21 17:18:35 -04:00
committed by Jon Chambers
parent 1cf174a613
commit 2f76738b50
2 changed files with 92 additions and 23 deletions
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70
service/src/main/java/org/whispersystems/textsecuregcm/push/PushNotificationManager.java
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@@ -10,6 +10,7 @@ import static org.whispersystems.textsecuregcm.metrics.MetricsUtil.name;
import com.google.common.annotations.VisibleForTesting;
import io.micrometer.core.instrument.Metrics;
import io.micrometer.core.instrument.Tags;
import java.time.Instant;
import java.util.Optional;
import java.util.function.BiConsumer;
import org.apache.commons.lang3.StringUtils;
@@ -131,7 +132,11 @@ public class PushNotificationManager {
if (result.unregistered() && pushNotification.destination() != null
&& pushNotification.destinationDevice() != null) {
handleDeviceUnregistered(pushNotification.destination(), pushNotification.destinationDevice());
handleDeviceUnregistered(pushNotification.destination(),
pushNotification.destinationDevice(),
pushNotification.tokenType(),
result.unregisteredTimestamp());
}
if (result.accepted() &&
@@ -164,28 +169,53 @@ public class PushNotificationManager {
};
}
private void handleDeviceUnregistered(final Account account, final Device device) {
if (StringUtils.isNotBlank(device.getGcmId())) {
final String originalFcmId = device.getGcmId();
@SuppressWarnings("OptionalUsedAsFieldOrParameterType")
private void handleDeviceUnregistered(final Account account,
final Device device,
final PushNotification.TokenType tokenType,
final Optional<Instant> maybeTokenInvalidationTimestamp) {
// Reread the account to avoid marking the caller's account as stale. The consumers of this class tend to
// promise not to modify accounts. There's no need to force the caller to be considered mutable just for
// updating an uninstalled feedback timestamp though.
final Optional<Account> rereadAccount = accountsManager.getByAccountIdentifier(account.getUuid());
if (rereadAccount.isEmpty()) {
// Don't bother removing the token; the account is gone
return;
final boolean tokenExpired = maybeTokenInvalidationTimestamp.map(tokenInvalidationTimestamp ->
tokenInvalidationTimestamp.isAfter(Instant.ofEpochMilli(device.getPushTimestamp()))).orElse(true);
if (tokenExpired) {
if (tokenType == PushNotification.TokenType.APN || tokenType == PushNotification.TokenType.APN_VOIP) {
apnPushNotificationScheduler.cancelScheduledNotifications(account, device).whenComplete(logErrors());
}
rereadAccount.get().getDevice(device.getId()).ifPresent(rereadDevice ->
accountsManager.updateDevice(rereadAccount.get(), device.getId(), d -> {
// Don't clear the token if it's already changed
if (originalFcmId.equals(d.getGcmId())) {
d.setGcmId(null);
}
}));
} else {
apnPushNotificationScheduler.cancelScheduledNotifications(account, device).whenComplete(logErrors());
clearPushToken(account, device, tokenType);
}
}
private void clearPushToken(final Account account, final Device device, final PushNotification.TokenType tokenType) {
final String originalToken = getPushToken(device, tokenType);
if (originalToken == null) {
return;
}
// Reread the account to avoid marking the caller's account as stale. The consumers of this class tend to
// promise not to modify accounts. There's no need to force the caller to be considered mutable just for
// updating an uninstalled feedback timestamp though.
accountsManager.getByAccountIdentifier(account.getUuid()).ifPresent(rereadAccount ->
rereadAccount.getDevice(device.getId()).ifPresent(rereadDevice ->
accountsManager.updateDevice(rereadAccount, device.getId(), d -> {
// Don't clear the token if it's already changed
if (originalToken.equals(getPushToken(d, tokenType))) {
switch (tokenType) {
case FCM -> d.setGcmId(null);
case APN -> d.setApnId(null);
case APN_VOIP -> d.setVoipApnId(null);
}
}
})));
}
private static String getPushToken(final Device device, final PushNotification.TokenType tokenType) {
return switch (tokenType) {
case FCM -> device.getGcmId();
case APN -> device.getApnId();
case APN_VOIP -> device.getVoipApnId();
};
}
}