Merge branch 'soon'
ansuz
6 years ago
commit
5cfc77e8b5
@ -1,294 +0,0 @@
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/*
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* Copyright 2014 XWiki SAS
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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define([], function () {
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var USE_HISTORY = true;
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var verbose = function (x) { console.log(x); };
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verbose = function () {}; // comment out to enable verbose logging
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var unBencode = function (str) { return str.replace(/^\d+:/, ''); };
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var removeCp = function (str) {
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return str.replace(/^cp\|([A-Za-z0-9+\/=]{0,20}\|)?/, '');
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};
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var start = function (conf) {
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var channel = conf.channel;
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var validateKey = conf.validateKey;
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var readOnly = conf.readOnly || false;
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var network = conf.network;
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var onConnect = conf.onConnect || function () { };
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var onMessage = conf.onMessage;
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var onJoin = conf.onJoin;
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var onLeave = conf.onLeave;
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var onReady = conf.onReady;
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var onDisconnect = conf.onDisconnect;
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var onError = conf.onError;
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var owners = conf.owners;
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var password = conf.password;
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var expire = conf.expire;
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var padData;
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conf = undefined;
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var initializing = true;
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var stopped = false;
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var lastKnownHash;
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var messageFromOuter = function () {};
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var error = function (err, wc) {
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if (onError) {
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onError({
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type: err,
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loaded: !initializing
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});
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if (wc && (err === "EEXPIRED" || err === "EDELETED")) { wc.leave(); }
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}
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else { console.error(err); }
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};
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var onRdy = function (padData) {
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// Trigger onReady only if not ready yet. This is important because the history keeper sends a direct
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// message through "network" when it is synced, and it triggers onReady for each channel joined.
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if (!initializing) { return; }
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onReady(padData);
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//sframeChan.event('EV_RT_READY', null);
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// we're fully synced
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initializing = false;
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};
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// shim between chainpad and netflux
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var msgIn = function (peerId, msg) {
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// NOTE: Hash version 0 contains a 32 characters nonce followed by a pipe
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// at the beginning of each message on the server.
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// We have to make sure our regex ignores this nonce using {0,20} (our IDs
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// should only be 8 characters long)
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return removeCp(msg);
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};
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var msgOut = function (msg) {
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if (readOnly) { return; }
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return msg;
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};
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var onMsg = function(peer, msg, wc, network, direct) {
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// unpack the history keeper from the webchannel
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var hk = network.historyKeeper;
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if (direct && peer !== hk) {
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return;
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}
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if (direct) {
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var parsed = JSON.parse(msg);
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if (parsed.validateKey && parsed.channel) {
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if (parsed.channel === wc.id && !validateKey) {
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validateKey = parsed.validateKey;
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}
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if (parsed.channel === wc.id) {
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padData = parsed;
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}
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// We have to return even if it is not the current channel:
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// we don't want to continue with other channels messages here
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return;
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}
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if (parsed.state && parsed.state === 1 && parsed.channel) {
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if (parsed.channel === wc.id) {
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onRdy(padData);
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}
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// We have to return even if it is not the current channel:
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// we don't want to continue with other channels messages here
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return;
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}
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}
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if (peer === hk) {
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// if the peer is the 'history keeper', extract their message
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var parsed1 = JSON.parse(msg);
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// First check if it is an error message (EXPIRED/DELETED)
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if (parsed1.channel === wc.id && parsed1.error) {
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return void error(parsed1.error, wc);
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}
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msg = parsed1[4];
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// Check that this is a message for our channel
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if (parsed1[3] !== wc.id) { return; }
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}
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lastKnownHash = msg.slice(0,64);
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var isCp = /^cp\|/.test(msg);
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var message = msgIn(peer, msg);
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verbose(message);
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// slice off the bencoded header
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// Why are we getting bencoded stuff to begin with?
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// FIXME this shouldn't be necessary
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message = unBencode(message);//.slice(message.indexOf(':[') + 1);
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// pass the message into Chainpad
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onMessage(peer, message, validateKey, isCp);
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//sframeChan.query('Q_RT_MESSAGE', message, function () { });
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};
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// We use an object to store the webchannel so that we don't have to push new handlers to chainpad
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// and remove the old ones when reconnecting and keeping the same 'realtime' object
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// See realtime.onMessage below: we call wc.bcast(...) but wc may change
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var wcObject = {};
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var onOpen = function(wc, network, firstConnection) {
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wcObject.wc = wc;
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channel = wc.id;
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// Add the existing peers in the userList
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//TODO sframeChan.event('EV_RT_CONNECT', { myID: wc.myID, members: wc.members, readOnly: readOnly });
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// Add the handlers to the WebChannel
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wc.on('message', function (msg, sender) { //Channel msg
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onMsg(sender, msg, wc, network);
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});
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wc.on('join', function (m) { onJoin(m); /*sframeChan.event('EV_RT_JOIN', m);*/ });
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wc.on('leave', function (m) { onLeave(m); /*sframeChan.event('EV_RT_LEAVE', m);*/ });
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if (firstConnection) {
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// Sending a message...
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messageFromOuter = function(message, cb) {
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// Filter messages sent by Chainpad to make it compatible with Netflux
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message = msgOut(message);
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if (message) {
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// Do not remove wcObject, it allows us to use a new 'wc' without changing the handler if we
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// want to keep the same chainpad (realtime) object
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try {
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wcObject.wc.bcast(message).then(function() {
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cb();
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}, function(err) {
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// The message has not been sent, display the error.
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console.error(err);
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});
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} catch (e) {
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console.log(e);
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// Just skip calling back and it will fail on the inside.
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}
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}
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};
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}
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onConnect(wc, messageFromOuter);
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// Get the channel history
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if (USE_HISTORY) {
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var hk;
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wc.members.forEach(function (p) {
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if (p.length === 16) { hk = p; }
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});
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network.historyKeeper = hk;
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var cfg = {
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validateKey: validateKey,
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lastKnownHash: lastKnownHash,
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owners: owners,
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expire: expire,
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password: password
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};
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var msg = ['GET_HISTORY', wc.id, cfg];
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// Add the validateKey if we are the channel creator and we have a validateKey
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if (hk) {
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network.sendto(hk, JSON.stringify(msg)).then(function () {
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}, function (err) {
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console.error(err);
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});
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}
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} else {
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onRdy();
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}
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};
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/*var isIntentionallyLeaving = false;
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window.addEventListener("beforeunload", function () {
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isIntentionallyLeaving = true;
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});*/
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var findChannelById = function (webChannels, channelId) {
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var webChannel;
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// Array.some terminates once a truthy value is returned
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// best case is faster than forEach, though webchannel arrays seem
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// to consistently have a length of 1
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webChannels.some(function(chan) {
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if(chan.id === channelId) { webChannel = chan; return true;}
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});
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return webChannel;
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};
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var connectTo = function (network, firstConnection) {
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// join the netflux network, promise to handle opening of the channel
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network.join(channel || null).then(function(wc) {
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onOpen(wc, network, firstConnection);
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}, function(err) {
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console.error(err);
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if (onError) {
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onError({
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type: err && (err.type || err),
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loaded: !initializing
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});
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}
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});
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};
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network.on('disconnect', function (reason) {
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//if (isIntentionallyLeaving) { return; }
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if (reason === "network.disconnect() called") { return; }
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onDisconnect();
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//sframeChan.event('EV_RT_DISCONNECT');
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});
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network.on('reconnect', function () {
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if (stopped) { return; }
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initializing = true;
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connectTo(network, false);
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});
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network.on('message', function (msg, sender) { // Direct message
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if (stopped) { return; }
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var wchan = findChannelById(network.webChannels, channel);
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if (wchan) {
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onMsg(sender, msg, wchan, network, true);
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}
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});
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connectTo(network, true);
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return {
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stop: function () {
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var wchan = findChannelById(network.webChannels, channel);
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if (wchan) { wchan.leave(''); }
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stopped = true;
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}
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};
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};
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return {
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start: start,
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removeCp: removeCp
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/*function (config) {
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config.sframeChan.whenReg('EV_RT_READY', function () {
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start(config);
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});
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}*/
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};
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});
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@ -0,0 +1,36 @@
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// jshint ignore: start
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define([
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'/common/common-util.js',
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'/common/common-constants.js',
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'/customize/messages.js',
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'/bower_components/chainpad-netflux/chainpad-netflux.js',
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'/bower_components/chainpad-crypto/crypto.js',
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], function (Util, Constants, Messages, CpNetflux, Crypto) {
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var Mailbox = {};
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Mailbox.init = function (store, waitFor, emit) {
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var mailbox = {};
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var ctx = {
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store: store,
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emit: emit,
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};
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mailbox.removeClient = function (clientId) {
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// TODO
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//removeClient(ctx, clientId);
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};
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mailbox.leavePad = function (padChan) {
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// TODO
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//leaveChannel(ctx, padChan);
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};
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mailbox.execCommand = function (clientId, obj, cb) {
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var cmd = obj.cmd;
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var data = obj.data;
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};
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return mailbox;
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};
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return Mailbox;
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});
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