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

Example 61 with SessionKey

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

the class TransientSessionKeyManager method renderStatusHTML.

@Override
public void renderStatusHTML(Writer out) throws IOException {
    StringBuilder buf = new StringBuilder(1024);
    buf.append("<h3 class=\"debug_inboundsessions\">Inbound sessions</h3>" + "<table>");
    Map<SessionKey, Set<TagSet>> inboundSets = getInboundTagSetsBySessionKey();
    int total = 0;
    int totalSets = 0;
    long now = _context.clock().now();
    Set<TagSet> sets = new TreeSet<TagSet>(new TagSetComparator());
    for (Map.Entry<SessionKey, Set<TagSet>> e : inboundSets.entrySet()) {
        SessionKey skey = e.getKey();
        sets.clear();
        sets.addAll(e.getValue());
        totalSets += sets.size();
        buf.append("<tr><td><b>Session key:</b> ").append(skey.toBase64()).append("</td>" + "<td><b>Sets:</b> ").append(sets.size()).append("</td></tr>" + "<tr class=\"expiry\"><td colspan=\"2\"><ul>");
        for (TagSet ts : sets) {
            int size = ts.getTags().size();
            total += size;
            buf.append("<li><b>ID: ").append(ts.getID());
            long expires = ts.getDate() - now;
            if (expires > 0)
                buf.append(" expires in:</b> ").append(DataHelper.formatDuration2(expires)).append(" with ");
            else
                buf.append(" expired:</b> ").append(DataHelper.formatDuration2(0 - expires)).append(" ago with ");
            buf.append(size).append('/').append(ts.getOriginalSize()).append(" tags remaining</li>");
        }
        buf.append("</ul></td></tr>\n");
        out.write(buf.toString());
        buf.setLength(0);
    }
    buf.append("<tr><th colspan=\"2\">Total inbound tags: ").append(total).append(" (").append(DataHelper.formatSize2(32 * total)).append("B); sets: ").append(totalSets).append("; sessions: ").append(inboundSets.size()).append("</th></tr>\n" + "</table>" + "<h3 class=\"debug_outboundsessions\">Outbound sessions</h3>" + "<table>");
    total = 0;
    totalSets = 0;
    Set<OutboundSession> outbound = getOutboundSessions();
    for (Iterator<OutboundSession> iter = outbound.iterator(); iter.hasNext(); ) {
        OutboundSession sess = iter.next();
        sets.clear();
        sets.addAll(sess.getTagSets());
        totalSets += sets.size();
        buf.append("<tr class=\"debug_outboundtarget\"><td><div class=\"debug_targetinfo\"><b>Target public key:</b> ").append(toString(sess.getTarget())).append("<br>" + "<b>Established:</b> ").append(DataHelper.formatDuration2(now - sess.getEstablishedDate())).append(" ago<br>" + "<b>Ack Received?</b> ").append(sess.getAckReceived()).append("<br>" + "<b>Last Used:</b> ").append(DataHelper.formatDuration2(now - sess.getLastUsedDate())).append(" ago<br>" + "<b>Session key:</b> ").append(sess.getCurrentKey().toBase64()).append("</div></td>" + "<td><b># Sets:</b> ").append(sess.getTagSets().size()).append("</td></tr>" + "<tr><td colspan=\"2\"><ul>");
        for (Iterator<TagSet> siter = sets.iterator(); siter.hasNext(); ) {
            TagSet ts = siter.next();
            int size = ts.getTags().size();
            total += size;
            buf.append("<li><b>ID: ").append(ts.getID()).append(" Sent:</b> ").append(DataHelper.formatDuration2(now - ts.getDate())).append(" ago with ");
            buf.append(size).append('/').append(ts.getOriginalSize()).append(" tags remaining; acked? ").append(ts.getAcked()).append("</li>");
        }
        buf.append("</ul></td></tr>\n");
        out.write(buf.toString());
        buf.setLength(0);
    }
    buf.append("<tr><th colspan=\"2\">Total outbound tags: ").append(total).append(" (").append(DataHelper.formatSize2(32 * total)).append("B); sets: ").append(totalSets).append("; sessions: ").append(outbound.size()).append("</th></tr>\n</table>");
    out.write(buf.toString());
}

Example 62 with SessionKey

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

the class PersistentKeyRing method remove.

@Override
public SessionKey remove(Object o) {
    SessionKey rv = super.remove(o);
    if (rv != null && o != null && o instanceof Hash) {
        Hash h = (Hash) o;
        _ctx.router().saveConfig(PROP_PFX + h.toBase64().replace("=", "$"), null);
    }
    return rv;
}

Example 63 with SessionKey

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

the class PersistentKeyRing method addFromProperties.

private void addFromProperties() {
    for (String prop : _ctx.getPropertyNames()) {
        if (!prop.startsWith(PROP_PFX))
            continue;
        String key = _ctx.getProperty(prop);
        if (key == null || key.length() != 44)
            continue;
        String hb = prop.substring(PROP_PFX.length());
        hb = hb.replace("$", "=");
        Hash dest = new Hash();
        SessionKey sk = new SessionKey();
        try {
            dest.fromBase64(hb);
            sk.fromBase64(key);
            super.put(dest, sk);
        } catch (DataFormatException dfe) {
            continue;
        }
    }
}

Example 64 with SessionKey

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

the class OutboundClientMessageOneShotJob method send.

/**
 * Send the message to the specified tunnel by creating a new garlic message containing
 * the (already created) payload clove as well as a new delivery status message.  This garlic
 * message is sent out one of our tunnels, destined for the lease (tunnel+router) specified, and the delivery
 * status message is targetting one of our free inbound tunnels as well.  We use a new
 * reply selector to keep an eye out for that delivery status message's token
 */
private void send() {
    synchronized (this) {
        if (_finished != Result.NONE) {
            if (_log.shouldLog(Log.WARN))
                _log.warn(OutboundClientMessageOneShotJob.this.getJobId() + ": SEND-AFTER-" + _finished);
            return;
        }
    }
    long now = getContext().clock().now();
    if (now >= _overallExpiration) {
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_EXPIRED);
        return;
    }
    _outTunnel = selectOutboundTunnel(_to);
    if (_outTunnel == null) {
        if (_log.shouldLog(Log.WARN))
            _log.warn(getJobId() + ": Could not find any outbound tunnels to send the payload through... this might take a while");
        getContext().statManager().addRateData("client.dispatchNoTunnels", now - _start);
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_NO_TUNNELS);
        return;
    }
    // boolean wantACK = _wantACK || existingTags <= 30 || getContext().random().nextInt(100) < 5;
    // what's the point of 5% random? possible improvements or replacements:
    // DONE (getNextLease() is called before this): wantACK if we changed their inbound lease (getNextLease() sets _wantACK)
    // DONE (selectOutboundTunnel() moved above here): wantACK if we changed our outbound tunnel (selectOutboundTunnel() sets _wantACK)
    // DONE (added new cache): wantACK if we haven't in last 1m (requires a new static cache probably)
    Long lastReplyRequestSent = _cache.lastReplyRequestCache.get(_hashPair);
    boolean shouldRequestReply = lastReplyRequestSent == null || lastReplyRequestSent.longValue() < now - REPLY_REQUEST_INTERVAL;
    int sendFlags = _clientMessage.getFlags();
    // Per-message flag > 0 overrides per-session option
    int tagsRequired = SendMessageOptions.getTagThreshold(sendFlags);
    boolean wantACK = _wantACK || shouldRequestReply || GarlicMessageBuilder.needsTags(getContext(), _leaseSet.getEncryptionKey(), _from.calculateHash(), tagsRequired);
    LeaseSet replyLeaseSet;
    // Per-message flag == false overrides session option which is default true
    String allow = _clientMessage.getSenderConfig().getOptions().getProperty(BUNDLE_REPLY_LEASESET);
    boolean allowLeaseBundle = SendMessageOptions.getSendLeaseSet(sendFlags) && (allow == null || Boolean.parseBoolean(allow));
    if (allowLeaseBundle) {
        // If we want an ack, bundle a leaseSet...
        // replyLeaseSet = getReplyLeaseSet(wantACK);
        // Only when necessary. We don't need to force.
        // ACKs find their own way back, they don't need a leaseset.
        replyLeaseSet = getReplyLeaseSet(false);
        // ... and vice versa  (so we know he got it)
        if (replyLeaseSet != null)
            wantACK = true;
    } else {
        replyLeaseSet = null;
    }
    long token;
    if (wantACK) {
        _cache.lastReplyRequestCache.put(_hashPair, Long.valueOf(now));
        token = getContext().random().nextLong(I2NPMessage.MAX_ID_VALUE);
        _inTunnel = selectInboundTunnel();
    } else {
        token = -1;
    }
    PayloadGarlicConfig clove = buildClove();
    if (clove == null) {
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_UNSUPPORTED_ENCRYPTION);
        return;
    }
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug(getJobId() + ": Clove built to " + _toString);
    PublicKey key = _leaseSet.getEncryptionKey();
    SessionKey sessKey = new SessionKey();
    Set<SessionTag> tags = new HashSet<SessionTag>();
    // Per-message flag > 0 overrides per-session option
    int tagsToSend = SendMessageOptions.getTagsToSend(sendFlags);
    GarlicMessage msg = OutboundClientMessageJobHelper.createGarlicMessage(getContext(), token, _overallExpiration, key, clove, _from.calculateHash(), _to, _inTunnel, tagsToSend, tagsRequired, sessKey, tags, wantACK, replyLeaseSet);
    if (msg == null) {
        // we dont receive the reply? hmm...)
        if (_log.shouldLog(Log.WARN))
            _log.warn(getJobId() + ": Unable to create the garlic message (no tunnels left or too lagged) to " + _toString);
        getContext().statManager().addRateData("client.dispatchNoTunnels", now - _start);
        dieFatal(MessageStatusMessage.STATUS_SEND_FAILURE_NO_TUNNELS);
        return;
    }
    // if (_log.shouldLog(Log.DEBUG))
    // _log.debug(getJobId() + ": send() - token expected " + token + " to " + _toString);
    SendSuccessJob onReply = null;
    SendTimeoutJob onFail = null;
    ReplySelector selector = null;
    if (wantACK) {
        TagSetHandle tsh = null;
        if (!tags.isEmpty()) {
            SessionKeyManager skm = getContext().clientManager().getClientSessionKeyManager(_from.calculateHash());
            if (skm != null)
                tsh = skm.tagsDelivered(_leaseSet.getEncryptionKey(), sessKey, tags);
        }
        onReply = new SendSuccessJob(getContext(), sessKey, tsh);
        onFail = new SendTimeoutJob(getContext(), sessKey, tsh);
        long expiration = Math.max(_overallExpiration, _start + REPLY_TIMEOUT_MS_MIN);
        selector = new ReplySelector(token, expiration);
    }
    if (_log.shouldLog(Log.DEBUG))
        _log.debug(getJobId() + ": Sending msg out " + _outTunnel.getSendTunnelId(0) + " to " + _toString + " at " + _lease.getTunnelId() + " on " + _lease.getGateway());
    DispatchJob dispatchJob = new DispatchJob(getContext(), msg, selector, onReply, onFail);
    // if (false) // dispatch may take 100+ms, so toss it in its own job
    // getContext().jobQueue().addJob(dispatchJob);
    // else
    dispatchJob.runJob();
    getContext().statManager().addRateData("client.dispatchPrepareTime", now - _start);
    if (!wantACK)
        getContext().statManager().addRateData("client.dispatchNoACK", 1);
}

Example 65 with SessionKey

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

the class HandleDatabaseLookupMessageJob method sendThroughTunnel.

private void sendThroughTunnel(I2NPMessage message, Hash toPeer, TunnelId replyTunnel) {
    if (getContext().routerHash().equals(toPeer)) {
        // if we are the gateway, act as if we received it
        TunnelGatewayMessage m = new TunnelGatewayMessage(getContext());
        m.setMessage(message);
        m.setTunnelId(replyTunnel);
        m.setMessageExpiration(message.getMessageExpiration());
        getContext().tunnelDispatcher().dispatch(m);
    } else {
        // if we aren't the gateway, forward it on
        if (!_replyKeyConsumed) {
            // if we send a followup DSM w/ our RI, don't reuse key
            SessionKey replyKey = _message.getReplyKey();
            if (replyKey != null) {
                // encrypt the reply
                if (_log.shouldLog(Log.INFO))
                    _log.info("Sending encrypted reply to " + toPeer + ' ' + replyKey + ' ' + _message.getReplyTag());
                message = MessageWrapper.wrap(getContext(), message, replyKey, _message.getReplyTag());
                if (message == null) {
                    _log.error("Encryption error");
                    return;
                }
                _replyKeyConsumed = true;
            }
        }
        TunnelGatewayMessage m = new TunnelGatewayMessage(getContext());
        m.setMessage(message);
        m.setMessageExpiration(message.getMessageExpiration());
        m.setTunnelId(replyTunnel);
        SendMessageDirectJob j = new SendMessageDirectJob(getContext(), m, toPeer, 10 * 1000, MESSAGE_PRIORITY);
        j.runJob();
    // getContext().jobQueue().addJob(j);
    }
}