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Refresh prekeys if there are less than 20 left on the server

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AsamK 2016-03-27 16:15:49 +02:00
parent 95278a95ce
commit 900b648f09
1 changed files with 16 additions and 9 deletions
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25
src/main/java/org/asamk/signal/Manager.java
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@ -60,6 +60,9 @@ class Manager implements Signal {
public final static String PROJECT_VERSION = Manager.class.getPackage().getImplementationVersion();
private final static String USER_AGENT = PROJECT_NAME + " " + PROJECT_VERSION;
private final static int PREKEY_MINIMUM_COUNT = 20;
private static final int PREKEY_BATCH_SIZE = 100;
private final String settingsPath;
private final String dataPath;
private final String attachmentsPath;
@ -140,6 +143,10 @@ class Manager implements Signal {
groupStore = new JsonGroupStore();
}
accountManager = new SignalServiceAccountManager(URL, TRUST_STORE, username, password, USER_AGENT);
if (accountManager.getPreKeysCount() < PREKEY_MINIMUM_COUNT) {
refreshPreKeys();
save();
}
}
private void save() {
@ -187,12 +194,10 @@ class Manager implements Signal {
save();
}
private static final int BATCH_SIZE = 100;
private List<PreKeyRecord> generatePreKeys() {
List<PreKeyRecord> records = new LinkedList<>();
for (int i = 0; i < BATCH_SIZE; i++) {
for (int i = 0; i < PREKEY_BATCH_SIZE; i++) {
int preKeyId = (preKeyIdOffset + i) % Medium.MAX_VALUE;
ECKeyPair keyPair = Curve.generateKeyPair();
PreKeyRecord record = new PreKeyRecord(preKeyId, keyPair);
@ -201,13 +206,13 @@ class Manager implements Signal {
records.add(record);
}
preKeyIdOffset = (preKeyIdOffset + BATCH_SIZE + 1) % Medium.MAX_VALUE;
preKeyIdOffset = (preKeyIdOffset + PREKEY_BATCH_SIZE + 1) % Medium.MAX_VALUE;
save();
return records;
}
private PreKeyRecord generateLastResortPreKey() {
private PreKeyRecord getOrGenerateLastResortPreKey() {
if (signalProtocolStore.containsPreKey(Medium.MAX_VALUE)) {
try {
return signalProtocolStore.loadPreKey(Medium.MAX_VALUE);
@ -249,14 +254,16 @@ class Manager implements Signal {
//accountManager.setGcmId(Optional.of(GoogleCloudMessaging.getInstance(this).register(REGISTRATION_ID)));
registered = true;
refreshPreKeys();
save();
}
private void refreshPreKeys() throws IOException {
List<PreKeyRecord> oneTimePreKeys = generatePreKeys();
PreKeyRecord lastResortKey = generateLastResortPreKey();
PreKeyRecord lastResortKey = getOrGenerateLastResortPreKey();
SignedPreKeyRecord signedPreKeyRecord = generateSignedPreKey(signalProtocolStore.getIdentityKeyPair());
accountManager.setPreKeys(signalProtocolStore.getIdentityKeyPair().getPublicKey(), lastResortKey, signedPreKeyRecord, oneTimePreKeys);
save();
}