Examples with Destination net.i2p.data.Destination used on opensource projects

Example 51 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class ConvertToHash method getHash.

/**
 *  Convert any kind of destination String to a hash
 *
 *  @return null on failure
 */
public static Hash getHash(String peer) {
    if (peer == null)
        return null;
    String peerLC = peer.toLowerCase(Locale.US);
    // b64 hash
    if (peer.length() == 44 && !peerLC.endsWith(".i2p")) {
        byte[] b = Base64.decode(peer);
        if (b != null && b.length == Hash.HASH_LENGTH)
            return Hash.create(b);
    }
    // b64 hash.i2p
    if (peer.length() == 48 && peerLC.endsWith(".i2p")) {
        byte[] b = Base64.decode(peer.substring(0, 44));
        if (b != null && b.length == Hash.HASH_LENGTH)
            return Hash.create(b);
    }
    // b64 dest.i2p
    if (peer.length() >= 520 && peerLC.endsWith(".i2p")) {
        try {
            Destination d = new Destination();
            d.fromBase64(peer.substring(0, peer.length() - 4));
            return d.calculateHash();
        } catch (DataFormatException dfe) {
        }
    }
    // b64 dest
    if (peer.length() >= 516 && !peerLC.endsWith(".i2p")) {
        try {
            Destination d = new Destination();
            d.fromBase64(peer);
            return d.calculateHash();
        } catch (DataFormatException dfe) {
        }
    }
    // even if the leaseset is not found
    if (peer.length() == 60 && peerLC.endsWith(".b32.i2p")) {
        byte[] b = Base32.decode(peer.substring(0, 52));
        if (b != null && b.length == Hash.HASH_LENGTH)
            return Hash.create(b);
    }
    // b32 hash
    if (peer.length() == 52 && !peerLC.endsWith(".i2p")) {
        byte[] b = Base32.decode(peer);
        if (b != null && b.length == Hash.HASH_LENGTH)
            return Hash.create(b);
    }
    // example.i2p
    Destination d = I2PAppContext.getGlobalContext().namingService().lookup(peer);
    if (d != null)
        return d.calculateHash();
    return null;
}

Example 52 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class RouterPrivateKeyFile method getRouterIdentity.

/**
 *  Read it in from the file.
 *  Also sets the local privKey and signingPrivKey.
 */
public RouterIdentity getRouterIdentity() throws IOException, DataFormatException {
    InputStream in = null;
    try {
        in = new BufferedInputStream(new FileInputStream(this.file));
        RouterIdentity ri = new RouterIdentity();
        ri.readBytes(in);
        privKey = new PrivateKey();
        privKey.readBytes(in);
        SigType type = ri.getSigningPublicKey().getType();
        if (type == null)
            throw new DataFormatException("Unknown sig type");
        signingPrivKey = new SigningPrivateKey(type);
        signingPrivKey.readBytes(in);
        // set it a Destination, so we may call validateKeyPairs()
        // or other methods
        dest = new Destination();
        dest.setPublicKey(ri.getPublicKey());
        dest.setSigningPublicKey(ri.getSigningPublicKey());
        dest.setCertificate(ri.getCertificate());
        dest.setPadding(ri.getPadding());
        return ri;
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ioe) {
            }
        }
    }
}

Example 53 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class ClientConnectionRunner method distributeMessage.

/**
 * Distribute the message.  If the dest is local, it blocks until its passed
 * to the target ClientConnectionRunner (which then fires it into a MessageReceivedJob).
 * If the dest is remote, it blocks until it is added into the ClientMessagePool
 */
MessageId distributeMessage(SendMessageMessage message) {
    Payload payload = message.getPayload();
    Destination dest = message.getDestination();
    MessageId id = new MessageId();
    id.setMessageId(getNextMessageId());
    long expiration = 0;
    int flags = 0;
    if (message.getType() == SendMessageExpiresMessage.MESSAGE_TYPE) {
        SendMessageExpiresMessage msg = (SendMessageExpiresMessage) message;
        expiration = msg.getExpirationTime();
        flags = msg.getFlags();
    }
    if ((!_dontSendMSM) && message.getNonce() != 0)
        _acceptedPending.add(id);
    if (_log.shouldLog(Log.DEBUG))
        _log.debug("** Receiving message " + id.getMessageId() + " with payload of size " + payload.getSize() + " for session " + message.getSessionId());
    // long beforeDistribute = _context.clock().now();
    // the following blocks as described above
    Destination fromDest = getDestination(message.getSessionId());
    if (fromDest != null)
        _manager.distributeMessage(fromDest, dest, payload, id, message.getNonce(), expiration, flags);
    // + timeToDistribute);
    return id;
}

Example 54 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class ClientConnectionRunner method requestLeaseSet.

/**
 * Request that a particular client authorize the Leases contained in the
 * LeaseSet, after which the onCreateJob is queued up.  If that doesn't occur
 * within the timeout specified, queue up the onFailedJob.  This call does not
 * block.
 *
 * Job args are always null, may need some fixups if we start using them.
 *
 * @param h the Destination's hash
 * @param set LeaseSet with requested leases - this object must be updated to contain the
 *            signed version (as well as any changed/added/removed Leases)
 *            The LeaseSet contains Leases and destination only, it is unsigned.
 * @param expirationTime ms to wait before failing
 * @param onCreateJob Job to run after the LeaseSet is authorized, null OK
 * @param onFailedJob Job to run after the timeout passes without receiving authorization, null OK
 */
void requestLeaseSet(Hash h, LeaseSet set, long expirationTime, Job onCreateJob, Job onFailedJob) {
    if (_dead) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("Requesting leaseSet from a dead client: " + set);
        if (onFailedJob != null)
            _context.jobQueue().addJob(onFailedJob);
        return;
    }
    SessionParams sp = _sessions.get(h);
    if (sp == null) {
        if (_log.shouldLog(Log.WARN))
            _log.warn("Requesting leaseSet for an unknown sesssion");
        return;
    }
    // We can't use LeaseSet.equals() here because the dest, keys, and sig on
    // the new LeaseSet are null. So we compare leases one by one.
    // In addition, the client rewrites the expiration time of all the leases to
    // the earliest one, so we can't use Lease.equals() or Lease.getEndDate().
    // So compare by tunnel ID, and then by gateway.
    // (on the remote possibility that two gateways are using the same ID).
    // TunnelPool.locked_buildNewLeaseSet() ensures that leases are sorted,
    // so the comparison will always work.
    int leases = set.getLeaseCount();
    // synch so _currentLeaseSet isn't changed out from under us
    LeaseSet current = null;
    Destination dest = sp.dest;
    LeaseRequestState state;
    synchronized (this) {
        current = sp.currentLeaseSet;
        if (current != null && current.getLeaseCount() == leases) {
            for (int i = 0; i < leases; i++) {
                if (!current.getLease(i).getTunnelId().equals(set.getLease(i).getTunnelId()))
                    break;
                if (!current.getLease(i).getGateway().equals(set.getLease(i).getGateway()))
                    break;
                if (i == leases - 1) {
                    if (_log.shouldLog(Log.INFO))
                        _log.info("Requested leaseSet hasn't changed");
                    if (onCreateJob != null)
                        _context.jobQueue().addJob(onCreateJob);
                    // no change
                    return;
                }
            }
        }
        if (_log.shouldLog(Log.INFO))
            _log.info("Current leaseSet " + current + "\nNew leaseSet " + set);
        state = sp.leaseRequest;
        if (state != null) {
            LeaseSet requested = state.getRequested();
            LeaseSet granted = state.getGranted();
            long ours = set.getEarliestLeaseDate();
            if (((requested != null) && (requested.getEarliestLeaseDate() > ours)) || ((granted != null) && (granted.getEarliestLeaseDate() > ours))) {
                // theirs is newer
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("Already requesting, theirs newer, do nothing: " + state);
            } else {
                // ours is newer, so wait a few secs and retry
                set.setDestination(dest);
                Rerequest timer = new Rerequest(set, expirationTime, onCreateJob, onFailedJob);
                sp.rerequestTimer = timer;
                _context.simpleTimer2().addEvent(timer, 3 * 1000);
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("Already requesting, ours newer, wait 3 sec: " + state);
            }
            // already requesting
            return;
        } else {
            set.setDestination(dest);
            if (current == null && _context.tunnelManager().getOutboundClientTunnelCount(h) <= 0) {
                // at startup of a client, where we don't have a leaseset, wait for
                // an outbound tunnel also, so the client doesn't start sending data
                // before we are ready
                Rerequest timer = new Rerequest(set, expirationTime, onCreateJob, onFailedJob);
                sp.rerequestTimer = timer;
                _context.simpleTimer2().addEvent(timer, 1000);
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("No current LS but no OB tunnels, wait 1 sec for " + h);
                return;
            } else {
                // so the timer won't fire off with an older LS request
                sp.rerequestTimer = null;
                sp.leaseRequest = state = new LeaseRequestState(onCreateJob, onFailedJob, _context.clock().now() + expirationTime, set);
                if (_log.shouldLog(Log.DEBUG))
                    _log.debug("New request: " + state);
            }
        }
    }
    _context.jobQueue().addJob(new RequestLeaseSetJob(_context, this, state));
}

Example 55 with Destination

use of net.i2p.data.Destination in project i2p.i2p by i2p.

the class ClientManager method unregisterConnection.

/**
 *  Remove all sessions for this runner.
 */
public void unregisterConnection(ClientConnectionRunner runner) {
    synchronized (_pendingRunners) {
        _pendingRunners.remove(runner);
    }
    List<SessionId> ids = runner.getSessionIds();
    List<Destination> dests = runner.getDestinations();
    if (_log.shouldLog(Log.WARN))
        _log.warn("Unregistering (dropping) a client connection with ids: " + ids);
    synchronized (_runners) {
        for (SessionId id : ids) {
            _runnerSessionIds.remove(id);
        }
        for (Destination dest : dests) {
            _runners.remove(dest);
            _runnersByHash.remove(dest.calculateHash());
        }
        // just in case
        for (Iterator<ClientConnectionRunner> iter = _runners.values().iterator(); iter.hasNext(); ) {
            ClientConnectionRunner r = iter.next();
            if (r.equals(runner))
                iter.remove();
        }
        for (Iterator<ClientConnectionRunner> iter = _runnersByHash.values().iterator(); iter.hasNext(); ) {
            ClientConnectionRunner r = iter.next();
            if (r.equals(runner))
                iter.remove();
        }
    }
}