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Diffstat (limited to 'src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlServiceImpl.java')
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diff --git a/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlServiceImpl.java b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlServiceImpl.java
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--- /dev/null
+++ b/src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlServiceImpl.java
@@ -0,0 +1,1051 @@
+package eu.siacs.conversations.crypto.axolotl;
+
+import android.os.Bundle;
+import android.security.KeyChain;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.Log;
+import android.util.Pair;
+
+import org.bouncycastle.jce.provider.BouncyCastleProvider;
+import org.whispersystems.libaxolotl.AxolotlAddress;
+import org.whispersystems.libaxolotl.IdentityKey;
+import org.whispersystems.libaxolotl.IdentityKeyPair;
+import org.whispersystems.libaxolotl.InvalidKeyException;
+import org.whispersystems.libaxolotl.InvalidKeyIdException;
+import org.whispersystems.libaxolotl.SessionBuilder;
+import org.whispersystems.libaxolotl.UntrustedIdentityException;
+import org.whispersystems.libaxolotl.ecc.ECPublicKey;
+import org.whispersystems.libaxolotl.state.PreKeyBundle;
+import org.whispersystems.libaxolotl.state.PreKeyRecord;
+import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
+import org.whispersystems.libaxolotl.util.KeyHelper;
+
+import java.security.PrivateKey;
+import java.security.Security;
+import java.security.Signature;
+import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.Set;
+
+import de.thedevstack.conversationsplus.utils.MessageUtil;
+
+import eu.siacs.conversations.Config;
+import eu.siacs.conversations.entities.Account;
+import eu.siacs.conversations.entities.Contact;
+import eu.siacs.conversations.entities.Conversation;
+import eu.siacs.conversations.entities.Message;
+import eu.siacs.conversations.parser.IqParser;
+import eu.siacs.conversations.services.XmppConnectionService;
+import eu.siacs.conversations.utils.CryptoHelper;
+import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
+import eu.siacs.conversations.xml.Element;
+import eu.siacs.conversations.xmpp.OnAdvancedStreamFeaturesLoaded;
+import eu.siacs.conversations.xmpp.OnIqPacketReceived;
+import eu.siacs.conversations.xmpp.jid.InvalidJidException;
+import eu.siacs.conversations.xmpp.jid.Jid;
+import eu.siacs.conversations.xmpp.stanzas.IqPacket;
+
+public class AxolotlServiceImpl implements OnAdvancedStreamFeaturesLoaded, AxolotlService {
+
+ public static final int publishTriesThreshold = 3;
+
+ private final Account account;
+ private final XmppConnectionService mXmppConnectionService;
+ private final SQLiteAxolotlStore axolotlStore;
+ private final SessionMap sessions;
+ private final Map<Jid, Set<Integer>> deviceIds;
+ private final Map<String, XmppAxolotlMessage> messageCache;
+ private final FetchStatusMap fetchStatusMap;
+ private final SerialSingleThreadExecutor executor;
+ private int numPublishTriesOnEmptyPep = 0;
+ private boolean pepBroken = false;
+
+ @Override
+ public void onAdvancedStreamFeaturesAvailable(Account account) {
+ if (account.getXmppConnection() != null && account.getXmppConnection().getFeatures().pep()) {
+ publishBundlesIfNeeded(true, false);
+ } else {
+ Log.d(Config.LOGTAG,account.getJid().toBareJid()+": skipping OMEMO initialization");
+ }
+ }
+
+ @Override
+ public boolean fetchMapHasErrors(List<Jid> jids) {
+ for(Jid jid : jids) {
+ if (deviceIds.get(jid) != null) {
+ for (Integer foreignId : this.deviceIds.get(jid)) {
+ AxolotlAddress address = new AxolotlAddress(jid.toString(), foreignId);
+ if (fetchStatusMap.getAll(address).containsValue(FetchStatus.ERROR)) {
+ return true;
+ }
+ }
+ }
+ }
+ return false;
+ }
+
+ private static class AxolotlAddressMap<T> {
+ protected Map<String, Map<Integer, T>> map;
+ protected final Object MAP_LOCK = new Object();
+
+ public AxolotlAddressMap() {
+ this.map = new HashMap<>();
+ }
+
+ public void put(AxolotlAddress address, T value) {
+ synchronized (MAP_LOCK) {
+ Map<Integer, T> devices = map.get(address.getName());
+ if (devices == null) {
+ devices = new HashMap<>();
+ map.put(address.getName(), devices);
+ }
+ devices.put(address.getDeviceId(), value);
+ }
+ }
+
+ public T get(AxolotlAddress address) {
+ synchronized (MAP_LOCK) {
+ Map<Integer, T> devices = map.get(address.getName());
+ if (devices == null) {
+ return null;
+ }
+ return devices.get(address.getDeviceId());
+ }
+ }
+
+ public Map<Integer, T> getAll(AxolotlAddress address) {
+ synchronized (MAP_LOCK) {
+ Map<Integer, T> devices = map.get(address.getName());
+ if (devices == null) {
+ return new HashMap<>();
+ }
+ return devices;
+ }
+ }
+
+ public boolean hasAny(AxolotlAddress address) {
+ synchronized (MAP_LOCK) {
+ Map<Integer, T> devices = map.get(address.getName());
+ return devices != null && !devices.isEmpty();
+ }
+ }
+
+ public void clear() {
+ map.clear();
+ }
+
+ }
+
+ private static class SessionMap extends AxolotlAddressMap<XmppAxolotlSession> {
+ private final XmppConnectionService xmppConnectionService;
+ private final Account account;
+
+ public SessionMap(XmppConnectionService service, SQLiteAxolotlStore store, Account account) {
+ super();
+ this.xmppConnectionService = service;
+ this.account = account;
+ this.fillMap(store);
+ }
+
+ private void putDevicesForJid(String bareJid, List<Integer> deviceIds, SQLiteAxolotlStore store) {
+ for (Integer deviceId : deviceIds) {
+ AxolotlAddress axolotlAddress = new AxolotlAddress(bareJid, deviceId);
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Building session for remote address: " + axolotlAddress.toString());
+ IdentityKey identityKey = store.loadSession(axolotlAddress).getSessionState().getRemoteIdentityKey();
+ if(Config.X509_VERIFICATION) {
+ X509Certificate certificate = store.getFingerprintCertificate(identityKey.getFingerprint().replaceAll("\\s", ""));
+ if (certificate != null) {
+ Bundle information = CryptoHelper.extractCertificateInformation(certificate);
+ try {
+ final String cn = information.getString("subject_cn");
+ final Jid jid = Jid.fromString(bareJid);
+ Log.d(Config.LOGTAG,"setting common name for "+jid+" to "+cn);
+ account.getRoster().getContact(jid).setCommonName(cn);
+ } catch (final InvalidJidException ignored) {
+ //ignored
+ }
+ }
+ }
+ this.put(axolotlAddress, new XmppAxolotlSession(account, store, axolotlAddress, identityKey));
+ }
+ }
+
+ private void fillMap(SQLiteAxolotlStore store) {
+ List<Integer> deviceIds = store.getSubDeviceSessions(account.getJid().toBareJid().toString());
+ putDevicesForJid(account.getJid().toBareJid().toString(), deviceIds, store);
+ for (Contact contact : account.getRoster().getContacts()) {
+ Jid bareJid = contact.getJid().toBareJid();
+ String address = bareJid.toString();
+ deviceIds = store.getSubDeviceSessions(address);
+ putDevicesForJid(address, deviceIds, store);
+ }
+
+ }
+
+ @Override
+ public void put(AxolotlAddress address, XmppAxolotlSession value) {
+ super.put(address, value);
+ value.setNotFresh();
+ xmppConnectionService.syncRosterToDisk(account);
+ }
+
+ public void put(XmppAxolotlSession session) {
+ this.put(session.getRemoteAddress(), session);
+ }
+ }
+
+ private static class FetchStatusMap extends AxolotlAddressMap<FetchStatus> {
+
+ }
+
+ public static String getLogprefix(Account account) {
+ return LOGPREFIX + " (" + account.getJid().toBareJid().toString() + "): ";
+ }
+
+ public AxolotlServiceImpl(Account account, XmppConnectionService connectionService) {
+ if (Security.getProvider("BC") == null) {
+ Security.addProvider(new BouncyCastleProvider());
+ }
+ this.mXmppConnectionService = connectionService;
+ this.account = account;
+ this.axolotlStore = new SQLiteAxolotlStore(this.account, this.mXmppConnectionService);
+ this.deviceIds = new HashMap<>();
+ this.messageCache = new HashMap<>();
+ this.sessions = new SessionMap(mXmppConnectionService, axolotlStore, account);
+ this.fetchStatusMap = new FetchStatusMap();
+ this.executor = new SerialSingleThreadExecutor();
+ }
+
+ public String getOwnFingerprint() {
+ return axolotlStore.getIdentityKeyPair().getPublicKey().getFingerprint().replaceAll("\\s", "");
+ }
+
+ @Override
+ public Set<IdentityKey> getKeysWithTrust(XmppAxolotlSession.Trust trust) {
+ return axolotlStore.getContactKeysWithTrust(account.getJid().toBareJid().toString(), trust);
+ }
+
+ @Override
+ public Set<IdentityKey> getKeysWithTrust(XmppAxolotlSession.Trust trust, Jid jid) {
+ return axolotlStore.getContactKeysWithTrust(jid.toBareJid().toString(), trust);
+ }
+
+ @Override
+ public Set<IdentityKey> getKeysWithTrust(XmppAxolotlSession.Trust trust, List<Jid> jids) {
+ Set<IdentityKey> keys = new HashSet<>();
+ for(Jid jid : jids) {
+ keys.addAll(axolotlStore.getContactKeysWithTrust(jid.toString(), trust));
+ }
+ return keys;
+ }
+
+ @Override
+ public long getNumTrustedKeys(Jid jid) {
+ return axolotlStore.getContactNumTrustedKeys(jid.toBareJid().toString());
+ }
+
+ @Override
+ public boolean anyTargetHasNoTrustedKeys(List<Jid> jids) {
+ for(Jid jid : jids) {
+ if (axolotlStore.getContactNumTrustedKeys(jid.toBareJid().toString()) == 0) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ private AxolotlAddress getAddressForJid(Jid jid) {
+ return new AxolotlAddress(jid.toString(), 0);
+ }
+
+ private Set<XmppAxolotlSession> findOwnSessions() {
+ AxolotlAddress ownAddress = getAddressForJid(account.getJid().toBareJid());
+ return new HashSet<>(this.sessions.getAll(ownAddress).values());
+ }
+
+ private Set<XmppAxolotlSession> findSessionsForContact(Contact contact) {
+ AxolotlAddress contactAddress = getAddressForJid(contact.getJid());
+ return new HashSet<>(this.sessions.getAll(contactAddress).values());
+ }
+
+ private Set<XmppAxolotlSession> findSessionsForConversation(Conversation conversation) {
+ HashSet<XmppAxolotlSession> sessions = new HashSet<>();
+ for(Jid jid : conversation.getAcceptedCryptoTargets()) {
+ sessions.addAll(this.sessions.getAll(getAddressForJid(jid)).values());
+ }
+ return sessions;
+ }
+
+ public Set<String> getFingerprintsForOwnSessions() {
+ Set<String> fingerprints = new HashSet<>();
+ for (XmppAxolotlSession session : findOwnSessions()) {
+ fingerprints.add(session.getFingerprint());
+ }
+ return fingerprints;
+ }
+
+ public Set<String> getFingerprintsForContact(final Contact contact) {
+ Set<String> fingerprints = new HashSet<>();
+ for (XmppAxolotlSession session : findSessionsForContact(contact)) {
+ fingerprints.add(session.getFingerprint());
+ }
+ return fingerprints;
+ }
+
+ private boolean hasAny(Jid jid) {
+ return sessions.hasAny(getAddressForJid(jid));
+ }
+
+ public boolean isPepBroken() {
+ return this.pepBroken;
+ }
+
+ public void resetBrokenness() {
+ this.pepBroken = false;
+ numPublishTriesOnEmptyPep = 0;
+ }
+
+ public void regenerateKeys(boolean wipeOther) {
+ axolotlStore.regenerate();
+ sessions.clear();
+ fetchStatusMap.clear();
+ publishBundlesIfNeeded(true, wipeOther);
+ }
+
+ public int getOwnDeviceId() {
+ return axolotlStore.getLocalRegistrationId();
+ }
+
+ public Set<Integer> getOwnDeviceIds() {
+ return this.deviceIds.get(account.getJid().toBareJid());
+ }
+
+ private void setTrustOnSessions(final Jid jid, @NonNull final Set<Integer> deviceIds,
+ final XmppAxolotlSession.Trust from,
+ final XmppAxolotlSession.Trust to) {
+ for (Integer deviceId : deviceIds) {
+ AxolotlAddress address = new AxolotlAddress(jid.toBareJid().toString(), deviceId);
+ XmppAxolotlSession session = sessions.get(address);
+ if (session != null && session.getFingerprint() != null
+ && session.getTrust() == from) {
+ session.setTrust(to);
+ }
+ }
+ }
+
+ public void registerDevices(final Jid jid, @NonNull final Set<Integer> deviceIds) {
+ if (jid.toBareJid().equals(account.getJid().toBareJid())) {
+ if (!deviceIds.isEmpty()) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Received non-empty own device list. Resetting publish attemps and pepBroken status.");
+ pepBroken = false;
+ numPublishTriesOnEmptyPep = 0;
+ }
+ if (deviceIds.contains(getOwnDeviceId())) {
+ deviceIds.remove(getOwnDeviceId());
+ } else {
+ publishOwnDeviceId(deviceIds);
+ }
+ for (Integer deviceId : deviceIds) {
+ AxolotlAddress ownDeviceAddress = new AxolotlAddress(jid.toBareJid().toString(), deviceId);
+ if (sessions.get(ownDeviceAddress) == null) {
+ buildSessionFromPEP(ownDeviceAddress);
+ }
+ }
+ }
+ Set<Integer> expiredDevices = new HashSet<>(axolotlStore.getSubDeviceSessions(jid.toBareJid().toString()));
+ expiredDevices.removeAll(deviceIds);
+ setTrustOnSessions(jid, expiredDevices, XmppAxolotlSession.Trust.TRUSTED,
+ XmppAxolotlSession.Trust.INACTIVE_TRUSTED);
+ setTrustOnSessions(jid, expiredDevices, XmppAxolotlSession.Trust.TRUSTED_X509,
+ XmppAxolotlSession.Trust.INACTIVE_TRUSTED_X509);
+ setTrustOnSessions(jid, expiredDevices, XmppAxolotlSession.Trust.UNDECIDED,
+ XmppAxolotlSession.Trust.INACTIVE_UNDECIDED);
+ setTrustOnSessions(jid, expiredDevices, XmppAxolotlSession.Trust.UNTRUSTED,
+ XmppAxolotlSession.Trust.INACTIVE_UNTRUSTED);
+ Set<Integer> newDevices = new HashSet<>(deviceIds);
+ setTrustOnSessions(jid, newDevices, XmppAxolotlSession.Trust.INACTIVE_TRUSTED,
+ XmppAxolotlSession.Trust.TRUSTED);
+ setTrustOnSessions(jid, newDevices, XmppAxolotlSession.Trust.INACTIVE_TRUSTED_X509,
+ XmppAxolotlSession.Trust.TRUSTED_X509);
+ setTrustOnSessions(jid, newDevices, XmppAxolotlSession.Trust.INACTIVE_UNDECIDED,
+ XmppAxolotlSession.Trust.UNDECIDED);
+ setTrustOnSessions(jid, newDevices, XmppAxolotlSession.Trust.INACTIVE_UNTRUSTED,
+ XmppAxolotlSession.Trust.UNTRUSTED);
+ this.deviceIds.put(jid, deviceIds);
+ mXmppConnectionService.keyStatusUpdated(null);
+ }
+
+ public void wipeOtherPepDevices() {
+ if (pepBroken) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "wipeOtherPepDevices called, but PEP is broken. Ignoring... ");
+ return;
+ }
+ Set<Integer> deviceIds = new HashSet<>();
+ deviceIds.add(getOwnDeviceId());
+ IqPacket publish = mXmppConnectionService.getIqGenerator().publishDeviceIds(deviceIds);
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Wiping all other devices from Pep:" + publish);
+ mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ // TODO: implement this!
+ }
+ });
+ }
+
+ public void purgeKey(final String fingerprint) {
+ axolotlStore.setFingerprintTrust(fingerprint.replaceAll("\\s", ""), XmppAxolotlSession.Trust.COMPROMISED);
+ }
+
+ public void publishOwnDeviceIdIfNeeded() {
+ if (pepBroken) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "publishOwnDeviceIdIfNeeded called, but PEP is broken. Ignoring... ");
+ return;
+ }
+ IqPacket packet = mXmppConnectionService.getIqGenerator().retrieveDeviceIds(account.getJid().toBareJid());
+ mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Timeout received while retrieving own Device Ids.");
+ } else {
+ Element item = mXmppConnectionService.getIqParser().getItem(packet);
+ Set<Integer> deviceIds = mXmppConnectionService.getIqParser().deviceIds(item);
+ if (!deviceIds.contains(getOwnDeviceId())) {
+ publishOwnDeviceId(deviceIds);
+ }
+ }
+ }
+ });
+ }
+
+ public void publishOwnDeviceId(Set<Integer> deviceIds) {
+ Set<Integer> deviceIdsCopy = new HashSet<>(deviceIds);
+ if (!deviceIdsCopy.contains(getOwnDeviceId())) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Own device " + getOwnDeviceId() + " not in PEP devicelist.");
+ if (deviceIdsCopy.isEmpty()) {
+ if (numPublishTriesOnEmptyPep >= publishTriesThreshold) {
+ Log.w(Config.LOGTAG, getLogprefix(account) + "Own device publish attempt threshold exceeded, aborting...");
+ pepBroken = true;
+ return;
+ } else {
+ numPublishTriesOnEmptyPep++;
+ Log.w(Config.LOGTAG, getLogprefix(account) + "Own device list empty, attempting to publish (try " + numPublishTriesOnEmptyPep + ")");
+ }
+ } else {
+ numPublishTriesOnEmptyPep = 0;
+ }
+ deviceIdsCopy.add(getOwnDeviceId());
+ IqPacket publish = mXmppConnectionService.getIqGenerator().publishDeviceIds(deviceIdsCopy);
+ mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ if (packet.getType() == IqPacket.TYPE.ERROR) {
+ pepBroken = true;
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while publishing own device id" + packet.findChild("error"));
+ }
+ }
+ });
+ }
+ }
+
+ public void publishDeviceVerificationAndBundle(final SignedPreKeyRecord signedPreKeyRecord,
+ final Set<PreKeyRecord> preKeyRecords,
+ final boolean announceAfter,
+ final boolean wipe) {
+ try {
+ IdentityKey axolotlPublicKey = axolotlStore.getIdentityKeyPair().getPublicKey();
+ PrivateKey x509PrivateKey = KeyChain.getPrivateKey(mXmppConnectionService, account.getPrivateKeyAlias());
+ X509Certificate[] chain = KeyChain.getCertificateChain(mXmppConnectionService, account.getPrivateKeyAlias());
+ Signature verifier = Signature.getInstance("sha256WithRSA");
+ verifier.initSign(x509PrivateKey,mXmppConnectionService.getRNG());
+ verifier.update(axolotlPublicKey.serialize());
+ byte[] signature = verifier.sign();
+ IqPacket packet = mXmppConnectionService.getIqGenerator().publishVerification(signature, chain, getOwnDeviceId());
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + ": publish verification for device "+getOwnDeviceId());
+ mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ publishDeviceBundle(signedPreKeyRecord, preKeyRecords, announceAfter, wipe);
+ }
+ });
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ }
+
+ public void publishBundlesIfNeeded(final boolean announce, final boolean wipe) {
+ if (pepBroken) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "publishBundlesIfNeeded called, but PEP is broken. Ignoring... ");
+ return;
+ }
+ IqPacket packet = mXmppConnectionService.getIqGenerator().retrieveBundlesForDevice(account.getJid().toBareJid(), getOwnDeviceId());
+ mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+
+ if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
+ return; //ignore timeout. do nothing
+ }
+
+ if (packet.getType() == IqPacket.TYPE.ERROR) {
+ Element error = packet.findChild("error");
+ if (error == null || !error.hasChild("item-not-found")) {
+ pepBroken = true;
+ Log.w(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "request for device bundles came back with something other than item-not-found" + packet);
+ return;
+ }
+ }
+
+ PreKeyBundle bundle = mXmppConnectionService.getIqParser().bundle(packet);
+ Map<Integer, ECPublicKey> keys = mXmppConnectionService.getIqParser().preKeyPublics(packet);
+ boolean flush = false;
+ if (bundle == null) {
+ Log.w(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Received invalid bundle:" + packet);
+ bundle = new PreKeyBundle(-1, -1, -1, null, -1, null, null, null);
+ flush = true;
+ }
+ if (keys == null) {
+ Log.w(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Received invalid prekeys:" + packet);
+ }
+ try {
+ boolean changed = false;
+ // Validate IdentityKey
+ IdentityKeyPair identityKeyPair = axolotlStore.getIdentityKeyPair();
+ if (flush || !identityKeyPair.getPublicKey().equals(bundle.getIdentityKey())) {
+ Log.i(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Adding own IdentityKey " + identityKeyPair.getPublicKey() + " to PEP.");
+ changed = true;
+ }
+
+ // Validate signedPreKeyRecord + ID
+ SignedPreKeyRecord signedPreKeyRecord;
+ int numSignedPreKeys = axolotlStore.loadSignedPreKeys().size();
+ try {
+ signedPreKeyRecord = axolotlStore.loadSignedPreKey(bundle.getSignedPreKeyId());
+ if (flush
+ || !bundle.getSignedPreKey().equals(signedPreKeyRecord.getKeyPair().getPublicKey())
+ || !Arrays.equals(bundle.getSignedPreKeySignature(), signedPreKeyRecord.getSignature())) {
+ Log.i(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Adding new signedPreKey with ID " + (numSignedPreKeys + 1) + " to PEP.");
+ signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKeyPair, numSignedPreKeys + 1);
+ axolotlStore.storeSignedPreKey(signedPreKeyRecord.getId(), signedPreKeyRecord);
+ changed = true;
+ }
+ } catch (InvalidKeyIdException e) {
+ Log.i(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Adding new signedPreKey with ID " + (numSignedPreKeys + 1) + " to PEP.");
+ signedPreKeyRecord = KeyHelper.generateSignedPreKey(identityKeyPair, numSignedPreKeys + 1);
+ axolotlStore.storeSignedPreKey(signedPreKeyRecord.getId(), signedPreKeyRecord);
+ changed = true;
+ }
+
+ // Validate PreKeys
+ Set<PreKeyRecord> preKeyRecords = new HashSet<>();
+ if (keys != null) {
+ for (Integer id : keys.keySet()) {
+ try {
+ PreKeyRecord preKeyRecord = axolotlStore.loadPreKey(id);
+ if (preKeyRecord.getKeyPair().getPublicKey().equals(keys.get(id))) {
+ preKeyRecords.add(preKeyRecord);
+ }
+ } catch (InvalidKeyIdException ignored) {
+ }
+ }
+ }
+ int newKeys = NUM_KEYS_TO_PUBLISH - preKeyRecords.size();
+ if (newKeys > 0) {
+ List<PreKeyRecord> newRecords = KeyHelper.generatePreKeys(
+ axolotlStore.getCurrentPreKeyId() + 1, newKeys);
+ preKeyRecords.addAll(newRecords);
+ for (PreKeyRecord record : newRecords) {
+ axolotlStore.storePreKey(record.getId(), record);
+ }
+ changed = true;
+ Log.i(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Adding " + newKeys + " new preKeys to PEP.");
+ }
+
+
+ if (changed) {
+ if (account.getPrivateKeyAlias() != null && Config.X509_VERIFICATION) {
+ mXmppConnectionService.publishDisplayName(account);
+ publishDeviceVerificationAndBundle(signedPreKeyRecord, preKeyRecords, announce, wipe);
+ } else {
+ publishDeviceBundle(signedPreKeyRecord, preKeyRecords, announce, wipe);
+ }
+ } else {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Bundle " + getOwnDeviceId() + " in PEP was current");
+ if (wipe) {
+ wipeOtherPepDevices();
+ } else if (announce) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Announcing device " + getOwnDeviceId());
+ publishOwnDeviceIdIfNeeded();
+ }
+ }
+ } catch (InvalidKeyException e) {
+ Log.e(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Failed to publish bundle " + getOwnDeviceId() + ", reason: " + e.getMessage());
+ }
+ }
+ });
+ }
+
+ private void publishDeviceBundle(SignedPreKeyRecord signedPreKeyRecord,
+ Set<PreKeyRecord> preKeyRecords,
+ final boolean announceAfter,
+ final boolean wipe) {
+ IqPacket publish = mXmppConnectionService.getIqGenerator().publishBundles(
+ signedPreKeyRecord, axolotlStore.getIdentityKeyPair().getPublicKey(),
+ preKeyRecords, getOwnDeviceId());
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + ": Bundle " + getOwnDeviceId() + " in PEP not current. Publishing: " + publish);
+ mXmppConnectionService.sendIqPacket(account, publish, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ if (packet.getType() == IqPacket.TYPE.RESULT) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Successfully published bundle. ");
+ if (wipe) {
+ wipeOtherPepDevices();
+ } else if (announceAfter) {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Announcing device " + getOwnDeviceId());
+ publishOwnDeviceIdIfNeeded();
+ }
+ } else if (packet.getType() == IqPacket.TYPE.ERROR) {
+ pepBroken = true;
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while publishing bundle: " + packet.findChild("error"));
+ }
+ }
+ });
+ }
+
+ @Override
+ public boolean isConversationAxolotlCapable(Conversation conversation) {
+ final List<Jid> jids = getCryptoTargets(conversation);
+ for(Jid jid : jids) {
+ if (!hasAny(jid) && (!deviceIds.containsKey(jid) || deviceIds.get(jid).isEmpty())) {
+ return false;
+ }
+ }
+ return jids.size() > 0;
+ }
+
+ @Override
+ public List<Jid> getCryptoTargets(Conversation conversation) {
+ final List<Jid> jids;
+ if (conversation.getMode() == Conversation.MODE_SINGLE) {
+ jids = Arrays.asList(conversation.getJid().toBareJid());
+ } else {
+ jids = conversation.getMucOptions().getMembers();
+ jids.remove(account.getJid().toBareJid());
+ }
+ return jids;
+ }
+
+ public XmppAxolotlSession.Trust getFingerprintTrust(String fingerprint) {
+ return axolotlStore.getFingerprintTrust(fingerprint);
+ }
+
+ public X509Certificate getFingerprintCertificate(String fingerprint) {
+ return axolotlStore.getFingerprintCertificate(fingerprint);
+ }
+
+ public void setFingerprintTrust(String fingerprint, XmppAxolotlSession.Trust trust) {
+ axolotlStore.setFingerprintTrust(fingerprint, trust);
+ }
+
+ private void verifySessionWithPEP(final XmppAxolotlSession session) {
+ Log.d(Config.LOGTAG, "trying to verify fresh session (" + session.getRemoteAddress().getName() + ") with pep");
+ final AxolotlAddress address = session.getRemoteAddress();
+ final IdentityKey identityKey = session.getIdentityKey();
+ try {
+ IqPacket packet = mXmppConnectionService.getIqGenerator().retrieveVerificationForDevice(Jid.fromString(address.getName()), address.getDeviceId());
+ mXmppConnectionService.sendIqPacket(account, packet, new OnIqPacketReceived() {
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ Pair<X509Certificate[],byte[]> verification = mXmppConnectionService.getIqParser().verification(packet);
+ if (verification != null) {
+ try {
+ Signature verifier = Signature.getInstance("sha256WithRSA");
+ verifier.initVerify(verification.first[0]);
+ verifier.update(identityKey.serialize());
+ if (verifier.verify(verification.second)) {
+ try {
+ mXmppConnectionService.getMemorizingTrustManager().getNonInteractive().checkClientTrusted(verification.first, "RSA");
+ String fingerprint = session.getFingerprint();
+ Log.d(Config.LOGTAG, "verified session with x.509 signature. fingerprint was: "+fingerprint);
+ setFingerprintTrust(fingerprint, XmppAxolotlSession.Trust.TRUSTED_X509);
+ axolotlStore.setFingerprintCertificate(fingerprint, verification.first[0]);
+ fetchStatusMap.put(address, FetchStatus.SUCCESS_VERIFIED);
+ Bundle information = CryptoHelper.extractCertificateInformation(verification.first[0]);
+ try {
+ final String cn = information.getString("subject_cn");
+ final Jid jid = Jid.fromString(address.getName());
+ Log.d(Config.LOGTAG,"setting common name for "+jid+" to "+cn);
+ account.getRoster().getContact(jid).setCommonName(cn);
+ } catch (final InvalidJidException ignored) {
+ //ignored
+ }
+ finishBuildingSessionsFromPEP(address);
+ return;
+ } catch (Exception e) {
+ Log.d(Config.LOGTAG,"could not verify certificate");
+ }
+ }
+ } catch (Exception e) {
+ Log.d(Config.LOGTAG, "error during verification " + e.getMessage());
+ }
+ } else {
+ Log.d(Config.LOGTAG,"no verification found");
+ }
+ fetchStatusMap.put(address, FetchStatus.SUCCESS);
+ finishBuildingSessionsFromPEP(address);
+ }
+ });
+ } catch (InvalidJidException e) {
+ fetchStatusMap.put(address, FetchStatus.SUCCESS);
+ finishBuildingSessionsFromPEP(address);
+ }
+ }
+
+ private void finishBuildingSessionsFromPEP(final AxolotlAddress address) {
+ AxolotlAddress ownAddress = new AxolotlAddress(account.getJid().toBareJid().toString(), 0);
+ if (!fetchStatusMap.getAll(ownAddress).containsValue(FetchStatus.PENDING)
+ && !fetchStatusMap.getAll(address).containsValue(FetchStatus.PENDING)) {
+ FetchStatus report = null;
+ if (fetchStatusMap.getAll(ownAddress).containsValue(FetchStatus.SUCCESS_VERIFIED)
+ | fetchStatusMap.getAll(address).containsValue(FetchStatus.SUCCESS_VERIFIED)) {
+ report = FetchStatus.SUCCESS_VERIFIED;
+ } else if (fetchStatusMap.getAll(ownAddress).containsValue(FetchStatus.ERROR)
+ || fetchStatusMap.getAll(address).containsValue(FetchStatus.ERROR)) {
+ report = FetchStatus.ERROR;
+ }
+ mXmppConnectionService.keyStatusUpdated(report);
+ }
+ }
+
+ private void buildSessionFromPEP(final AxolotlAddress address) {
+ Log.i(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Building new sesstion for " + address.toString());
+ if (address.getDeviceId() == getOwnDeviceId()) {
+ throw new AssertionError("We should NEVER build a session with ourselves. What happened here?!");
+ }
+
+ try {
+ IqPacket bundlesPacket = mXmppConnectionService.getIqGenerator().retrieveBundlesForDevice(
+ Jid.fromString(address.getName()), address.getDeviceId());
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Retrieving bundle: " + bundlesPacket);
+ mXmppConnectionService.sendIqPacket(account, bundlesPacket, new OnIqPacketReceived() {
+
+ @Override
+ public void onIqPacketReceived(Account account, IqPacket packet) {
+ if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
+ fetchStatusMap.put(address, FetchStatus.TIMEOUT);
+ } else if (packet.getType() == IqPacket.TYPE.RESULT) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Received preKey IQ packet, processing...");
+ final IqParser parser = mXmppConnectionService.getIqParser();
+ final List<PreKeyBundle> preKeyBundleList = parser.preKeys(packet);
+ final PreKeyBundle bundle = parser.bundle(packet);
+ if (preKeyBundleList.isEmpty() || bundle == null) {
+ Log.e(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "preKey IQ packet invalid: " + packet);
+ fetchStatusMap.put(address, FetchStatus.ERROR);
+ finishBuildingSessionsFromPEP(address);
+ return;
+ }
+ Random random = new Random();
+ final PreKeyBundle preKey = preKeyBundleList.get(random.nextInt(preKeyBundleList.size()));
+ if (preKey == null) {
+ //should never happen
+ fetchStatusMap.put(address, FetchStatus.ERROR);
+ finishBuildingSessionsFromPEP(address);
+ return;
+ }
+
+ final PreKeyBundle preKeyBundle = new PreKeyBundle(0, address.getDeviceId(),
+ preKey.getPreKeyId(), preKey.getPreKey(),
+ bundle.getSignedPreKeyId(), bundle.getSignedPreKey(),
+ bundle.getSignedPreKeySignature(), bundle.getIdentityKey());
+
+ try {
+ SessionBuilder builder = new SessionBuilder(axolotlStore, address);
+ builder.process(preKeyBundle);
+ XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, bundle.getIdentityKey());
+ sessions.put(address, session);
+ if (Config.X509_VERIFICATION) {
+ verifySessionWithPEP(session);
+ } else {
+ fetchStatusMap.put(address, FetchStatus.SUCCESS);
+ finishBuildingSessionsFromPEP(address);
+ }
+ } catch (UntrustedIdentityException | InvalidKeyException e) {
+ Log.e(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Error building session for " + address + ": "
+ + e.getClass().getName() + ", " + e.getMessage());
+ fetchStatusMap.put(address, FetchStatus.ERROR);
+ finishBuildingSessionsFromPEP(address);
+ }
+ } else {
+ fetchStatusMap.put(address, FetchStatus.ERROR);
+ Log.d(Config.LOGTAG, getLogprefix(account) + "Error received while building session:" + packet.findChild("error"));
+ finishBuildingSessionsFromPEP(address);
+ }
+ }
+ });
+ } catch (InvalidJidException e) {
+ Log.e(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Got address with invalid jid: " + address.getName());
+ }
+ }
+
+ public Set<AxolotlAddress> findDevicesWithoutSession(final Conversation conversation) {
+ Set<AxolotlAddress> addresses = new HashSet<>();
+ for(Jid jid : getCryptoTargets(conversation)) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Finding devices without session for " + jid);
+ if (deviceIds.get(jid) != null) {
+ for (Integer foreignId : this.deviceIds.get(jid)) {
+ AxolotlAddress address = new AxolotlAddress(jid.toString(), foreignId);
+ if (sessions.get(address) == null) {
+ IdentityKey identityKey = axolotlStore.loadSession(address).getSessionState().getRemoteIdentityKey();
+ if (identityKey != null) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Already have session for " + address.toString() + ", adding to cache...");
+ XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, identityKey);
+ sessions.put(address, session);
+ } else {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Found device " + jid + ":" + foreignId);
+ if (fetchStatusMap.get(address) != FetchStatus.ERROR) {
+ addresses.add(address);
+ } else {
+ Log.d(Config.LOGTAG, getLogprefix(account) + "skipping over " + address + " because it's broken");
+ }
+ }
+ }
+ }
+ } else {
+ Log.w(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Have no target devices in PEP!");
+ }
+ }
+ if (deviceIds.get(account.getJid().toBareJid()) != null) {
+ for (Integer ownId : this.deviceIds.get(account.getJid().toBareJid())) {
+ AxolotlAddress address = new AxolotlAddress(account.getJid().toBareJid().toString(), ownId);
+ if (sessions.get(address) == null) {
+ IdentityKey identityKey = axolotlStore.loadSession(address).getSessionState().getRemoteIdentityKey();
+ if (identityKey != null) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Already have session for " + address.toString() + ", adding to cache...");
+ XmppAxolotlSession session = new XmppAxolotlSession(account, axolotlStore, address, identityKey);
+ sessions.put(address, session);
+ } else {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Found device " + account.getJid().toBareJid() + ":" + ownId);
+ if (fetchStatusMap.get(address) != FetchStatus.ERROR) {
+ addresses.add(address);
+ } else {
+ Log.d(Config.LOGTAG,getLogprefix(account)+"skipping over "+address+" because it's broken");
+ }
+ }
+ }
+ }
+ }
+
+ return addresses;
+ }
+
+ public boolean createSessionsIfNeeded(final Conversation conversation) {
+ Log.i(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Creating axolotl sessions if needed...");
+ boolean newSessions = false;
+ Set<AxolotlAddress> addresses = findDevicesWithoutSession(conversation);
+ for (AxolotlAddress address : addresses) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Processing device: " + address.toString());
+ FetchStatus status = fetchStatusMap.get(address);
+ if (status == null || status == FetchStatus.TIMEOUT) {
+ fetchStatusMap.put(address, FetchStatus.PENDING);
+ this.buildSessionFromPEP(address);
+ newSessions = true;
+ } else if (status == FetchStatus.PENDING) {
+ newSessions = true;
+ } else {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Already fetching bundle for " + address.toString());
+ }
+ }
+
+ return newSessions;
+ }
+
+ public boolean trustedSessionVerified(final Conversation conversation) {
+ Set<XmppAxolotlSession> sessions = findSessionsForConversation(conversation);
+ sessions.addAll(findOwnSessions());
+ boolean verified = false;
+ for(XmppAxolotlSession session : sessions) {
+ if (session.getTrust().trusted()) {
+ if (session.getTrust() == XmppAxolotlSession.Trust.TRUSTED_X509) {
+ verified = true;
+ } else {
+ return false;
+ }
+ }
+ }
+ return verified;
+ }
+
+ @Override
+ public boolean hasPendingKeyFetches(Account account, List<Jid> jids) {
+ AxolotlAddress ownAddress = new AxolotlAddress(account.getJid().toBareJid().toString(), 0);
+ if (fetchStatusMap.getAll(ownAddress).containsValue(FetchStatus.PENDING)) {
+ return true;
+ }
+ for(Jid jid : jids) {
+ AxolotlAddress foreignAddress = new AxolotlAddress(jid.toBareJid().toString(), 0);
+ if (fetchStatusMap.getAll(foreignAddress).containsValue(FetchStatus.PENDING)) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ @Nullable
+ private XmppAxolotlMessage buildHeader(Conversation conversation) {
+ final XmppAxolotlMessage axolotlMessage = new XmppAxolotlMessage(
+ account.getJid().toBareJid(), getOwnDeviceId());
+
+ Set<XmppAxolotlSession> remoteSessions = findSessionsForConversation(conversation);
+ Set<XmppAxolotlSession> ownSessions = findOwnSessions();
+ if (remoteSessions.isEmpty()) {
+ return null;
+ }
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Building axolotl foreign keyElements...");
+ for (XmppAxolotlSession session : remoteSessions) {
+ Log.v(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + session.getRemoteAddress().toString());
+ axolotlMessage.addDevice(session);
+ }
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Building axolotl own keyElements...");
+ for (XmppAxolotlSession session : ownSessions) {
+ Log.v(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + session.getRemoteAddress().toString());
+ axolotlMessage.addDevice(session);
+ }
+
+ return axolotlMessage;
+ }
+
+ @Nullable
+ public XmppAxolotlMessage encrypt(Message message) {
+ XmppAxolotlMessage axolotlMessage = buildHeader(message.getConversation());
+
+ if (axolotlMessage != null) {
+ final String content;
+ if (message.hasFileOnRemoteHost()) {
+ content = message.getFileParams().url.toString();
+ } else {
+ content = message.getBody();
+ }
+ try {
+ axolotlMessage.encrypt(content);
+ } catch (CryptoFailedException e) {
+ Log.w(Config.LOGTAG, getLogprefix(account) + "Failed to encrypt message: " + e.getMessage());
+ return null;
+ }
+ }
+
+ return axolotlMessage;
+ }
+
+ public void preparePayloadMessage(final Message message, final boolean delay) {
+ executor.execute(new Runnable() {
+ @Override
+ public void run() {
+ XmppAxolotlMessage axolotlMessage = encrypt(message);
+ if (axolotlMessage == null) {
+ MessageUtil.markMessage(message, Message.STATUS_SEND_FAILED);
+ //mXmppConnectionService.updateConversationUi();
+ } else {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Generated message, caching: " + message.getUuid());
+ messageCache.put(message.getUuid(), axolotlMessage);
+ mXmppConnectionService.resendMessage(message, delay);
+ }
+ }
+ });
+ }
+
+ @Override
+ public void prepareKeyTransportMessage(final Conversation conversation, final OnMessageCreatedCallback onMessageCreatedCallback) {
+ executor.execute(new Runnable() {
+ @Override
+ public void run() {
+ XmppAxolotlMessage axolotlMessage = buildHeader(conversation);
+ onMessageCreatedCallback.run(axolotlMessage);
+ }
+ });
+ }
+
+ public XmppAxolotlMessage fetchAxolotlMessageFromCache(Message message) {
+ XmppAxolotlMessage axolotlMessage = messageCache.get(message.getUuid());
+ if (axolotlMessage != null) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Cache hit: " + message.getUuid());
+ messageCache.remove(message.getUuid());
+ } else {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Cache miss: " + message.getUuid());
+ }
+ return axolotlMessage;
+ }
+
+ private XmppAxolotlSession recreateUncachedSession(AxolotlAddress address) {
+ IdentityKey identityKey = axolotlStore.loadSession(address).getSessionState().getRemoteIdentityKey();
+ return (identityKey != null)
+ ? new XmppAxolotlSession(account, axolotlStore, address, identityKey)
+ : null;
+ }
+
+ private XmppAxolotlSession getReceivingSession(XmppAxolotlMessage message) {
+ AxolotlAddress senderAddress = new AxolotlAddress(message.getFrom().toString(),
+ message.getSenderDeviceId());
+ XmppAxolotlSession session = sessions.get(senderAddress);
+ if (session == null) {
+ Log.d(Config.LOGTAG, AxolotlServiceImpl.getLogprefix(account) + "Account: " + account.getJid() + " No axolotl session found while parsing received message " + message);
+ session = recreateUncachedSession(senderAddress);
+ if (session == null) {
+ session = new XmppAxolotlSession(account, axolotlStore, senderAddress);
+ }
+ }
+ return session;
+ }
+
+ public XmppAxolotlMessage.XmppAxolotlPlaintextMessage processReceivingPayloadMessage(XmppAxolotlMessage message) {
+ XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage = null;
+
+ XmppAxolotlSession session = getReceivingSession(message);
+ try {
+ plaintextMessage = message.decrypt(session, getOwnDeviceId());
+ Integer preKeyId = session.getPreKeyId();
+ if (preKeyId != null) {
+ publishBundlesIfNeeded(false, false);
+ session.resetPreKeyId();
+ }
+ } catch (CryptoFailedException e) {
+ Log.w(Config.LOGTAG, getLogprefix(account) + "Failed to decrypt message: " + e.getMessage());
+ }
+
+ if (session.isFresh() && plaintextMessage != null) {
+ putFreshSession(session);
+ }
+
+ return plaintextMessage;
+ }
+
+ public XmppAxolotlMessage.XmppAxolotlKeyTransportMessage processReceivingKeyTransportMessage(XmppAxolotlMessage message) {
+ XmppAxolotlMessage.XmppAxolotlKeyTransportMessage keyTransportMessage;
+
+ XmppAxolotlSession session = getReceivingSession(message);
+ keyTransportMessage = message.getParameters(session, getOwnDeviceId());
+
+ if (session.isFresh() && keyTransportMessage != null) {
+ putFreshSession(session);
+ }
+
+ return keyTransportMessage;
+ }
+
+ private void putFreshSession(XmppAxolotlSession session) {
+ Log.d(Config.LOGTAG,"put fresh session");
+ sessions.put(session);
+ if (Config.X509_VERIFICATION) {
+ if (session.getIdentityKey() != null) {
+ verifySessionWithPEP(session);
+ } else {
+ Log.e(Config.LOGTAG,account.getJid().toBareJid()+": identity key was empty after reloading for x509 verification");
+ }
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-15 19:21:07 +0000