Remove chainpad-netflux-outer
yflory
6 years ago
parent
e8b93f7cca
commit
c4ac858f5d
@ -1,294 +0,0 @@
|
||||
/*
|
||||
* Copyright 2014 XWiki SAS
|
||||
*
|
||||
* This program is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Affero General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Affero General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Affero General Public License
|
||||
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
define([], function () {
|
||||
var USE_HISTORY = true;
|
||||
|
||||
var verbose = function (x) { console.log(x); };
|
||||
verbose = function () {}; // comment out to enable verbose logging
|
||||
|
||||
var unBencode = function (str) { return str.replace(/^\d+:/, ''); };
|
||||
|
||||
var removeCp = function (str) {
|
||||
return str.replace(/^cp\|([A-Za-z0-9+\/=]{0,20}\|)?/, '');
|
||||
};
|
||||
|
||||
var start = function (conf) {
|
||||
var channel = conf.channel;
|
||||
var validateKey = conf.validateKey;
|
||||
var readOnly = conf.readOnly || false;
|
||||
var network = conf.network;
|
||||
var onConnect = conf.onConnect || function () { };
|
||||
var onMessage = conf.onMessage;
|
||||
var onJoin = conf.onJoin;
|
||||
var onLeave = conf.onLeave;
|
||||
var onReady = conf.onReady;
|
||||
var onDisconnect = conf.onDisconnect;
|
||||
var onError = conf.onError;
|
||||
var owners = conf.owners;
|
||||
var password = conf.password;
|
||||
var expire = conf.expire;
|
||||
var padData;
|
||||
conf = undefined;
|
||||
|
||||
var initializing = true;
|
||||
var stopped = false;
|
||||
var lastKnownHash;
|
||||
|
||||
var messageFromOuter = function () {};
|
||||
|
||||
var error = function (err, wc) {
|
||||
if (onError) {
|
||||
onError({
|
||||
type: err,
|
||||
loaded: !initializing
|
||||
});
|
||||
if (wc && (err === "EEXPIRED" || err === "EDELETED")) { wc.leave(); }
|
||||
}
|
||||
else { console.error(err); }
|
||||
};
|
||||
|
||||
var onRdy = function (padData) {
|
||||
// Trigger onReady only if not ready yet. This is important because the history keeper sends a direct
|
||||
// message through "network" when it is synced, and it triggers onReady for each channel joined.
|
||||
if (!initializing) { return; }
|
||||
onReady(padData);
|
||||
//sframeChan.event('EV_RT_READY', null);
|
||||
// we're fully synced
|
||||
initializing = false;
|
||||
};
|
||||
|
||||
// shim between chainpad and netflux
|
||||
var msgIn = function (peerId, msg) {
|
||||
// NOTE: Hash version 0 contains a 32 characters nonce followed by a pipe
|
||||
// at the beginning of each message on the server.
|
||||
// We have to make sure our regex ignores this nonce using {0,20} (our IDs
|
||||
// should only be 8 characters long)
|
||||
return removeCp(msg);
|
||||
};
|
||||
|
||||
var msgOut = function (msg) {
|
||||
if (readOnly) { return; }
|
||||
return msg;
|
||||
};
|
||||
|
||||
var onMsg = function(peer, msg, wc, network, direct) {
|
||||
// unpack the history keeper from the webchannel
|
||||
var hk = network.historyKeeper;
|
||||
|
||||
if (direct && peer !== hk) {
|
||||
return;
|
||||
}
|
||||
if (direct) {
|
||||
var parsed = JSON.parse(msg);
|
||||
if (parsed.validateKey && parsed.channel) {
|
||||
if (parsed.channel === wc.id && !validateKey) {
|
||||
validateKey = parsed.validateKey;
|
||||
}
|
||||
if (parsed.channel === wc.id) {
|
||||
padData = parsed;
|
||||
}
|
||||
// We have to return even if it is not the current channel:
|
||||
// we don't want to continue with other channels messages here
|
||||
return;
|
||||
}
|
||||
if (parsed.state && parsed.state === 1 && parsed.channel) {
|
||||
if (parsed.channel === wc.id) {
|
||||
onRdy(padData);
|
||||
}
|
||||
// We have to return even if it is not the current channel:
|
||||
// we don't want to continue with other channels messages here
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (peer === hk) {
|
||||
// if the peer is the 'history keeper', extract their message
|
||||
var parsed1 = JSON.parse(msg);
|
||||
// First check if it is an error message (EXPIRED/DELETED)
|
||||
if (parsed1.channel === wc.id && parsed1.error) {
|
||||
return void error(parsed1.error, wc);
|
||||
}
|
||||
|
||||
msg = parsed1[4];
|
||||
// Check that this is a message for our channel
|
||||
if (parsed1[3] !== wc.id) { return; }
|
||||
}
|
||||
|
||||
|
||||
lastKnownHash = msg.slice(0,64);
|
||||
|
||||
var isCp = /^cp\|/.test(msg);
|
||||
var message = msgIn(peer, msg);
|
||||
|
||||
verbose(message);
|
||||
|
||||
// slice off the bencoded header
|
||||
// Why are we getting bencoded stuff to begin with?
|
||||
// FIXME this shouldn't be necessary
|
||||
message = unBencode(message);//.slice(message.indexOf(':[') + 1);
|
||||
|
||||
// pass the message into Chainpad
|
||||
onMessage(peer, message, validateKey, isCp);
|
||||
//sframeChan.query('Q_RT_MESSAGE', message, function () { });
|
||||
};
|
||||
|
||||
// We use an object to store the webchannel so that we don't have to push new handlers to chainpad
|
||||
// and remove the old ones when reconnecting and keeping the same 'realtime' object
|
||||
// See realtime.onMessage below: we call wc.bcast(...) but wc may change
|
||||
var wcObject = {};
|
||||
var onOpen = function(wc, network, firstConnection) {
|
||||
wcObject.wc = wc;
|
||||
channel = wc.id;
|
||||
|
||||
// Add the existing peers in the userList
|
||||
//TODO sframeChan.event('EV_RT_CONNECT', { myID: wc.myID, members: wc.members, readOnly: readOnly });
|
||||
|
||||
// Add the handlers to the WebChannel
|
||||
wc.on('message', function (msg, sender) { //Channel msg
|
||||
onMsg(sender, msg, wc, network);
|
||||
});
|
||||
wc.on('join', function (m) { onJoin(m); /*sframeChan.event('EV_RT_JOIN', m);*/ });
|
||||
wc.on('leave', function (m) { onLeave(m); /*sframeChan.event('EV_RT_LEAVE', m);*/ });
|
||||
|
||||
if (firstConnection) {
|
||||
// Sending a message...
|
||||
messageFromOuter = function(message, cb) {
|
||||
// Filter messages sent by Chainpad to make it compatible with Netflux
|
||||
message = msgOut(message);
|
||||
if (message) {
|
||||
// Do not remove wcObject, it allows us to use a new 'wc' without changing the handler if we
|
||||
// want to keep the same chainpad (realtime) object
|
||||
try {
|
||||
wcObject.wc.bcast(message).then(function() {
|
||||
cb();
|
||||
}, function(err) {
|
||||
// The message has not been sent, display the error.
|
||||
console.error(err);
|
||||
});
|
||||
} catch (e) {
|
||||
console.log(e);
|
||||
// Just skip calling back and it will fail on the inside.
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
onConnect(wc, messageFromOuter);
|
||||
|
||||
// Get the channel history
|
||||
if (USE_HISTORY) {
|
||||
var hk;
|
||||
|
||||
wc.members.forEach(function (p) {
|
||||
if (p.length === 16) { hk = p; }
|
||||
});
|
||||
network.historyKeeper = hk;
|
||||
|
||||
var cfg = {
|
||||
validateKey: validateKey,
|
||||
lastKnownHash: lastKnownHash,
|
||||
owners: owners,
|
||||
expire: expire,
|
||||
password: password
|
||||
};
|
||||
var msg = ['GET_HISTORY', wc.id, cfg];
|
||||
// Add the validateKey if we are the channel creator and we have a validateKey
|
||||
if (hk) {
|
||||
network.sendto(hk, JSON.stringify(msg)).then(function () {
|
||||
}, function (err) {
|
||||
console.error(err);
|
||||
});
|
||||
}
|
||||
} else {
|
||||
onRdy();
|
||||
}
|
||||
};
|
||||
|
||||
/*var isIntentionallyLeaving = false;
|
||||
window.addEventListener("beforeunload", function () {
|
||||
isIntentionallyLeaving = true;
|
||||
});*/
|
||||
|
||||
var findChannelById = function (webChannels, channelId) {
|
||||
var webChannel;
|
||||
|
||||
// Array.some terminates once a truthy value is returned
|
||||
// best case is faster than forEach, though webchannel arrays seem
|
||||
// to consistently have a length of 1
|
||||
webChannels.some(function(chan) {
|
||||
if(chan.id === channelId) { webChannel = chan; return true;}
|
||||
});
|
||||
return webChannel;
|
||||
};
|
||||
|
||||
var connectTo = function (network, firstConnection) {
|
||||
// join the netflux network, promise to handle opening of the channel
|
||||
network.join(channel || null).then(function(wc) {
|
||||
onOpen(wc, network, firstConnection);
|
||||
}, function(err) {
|
||||
console.error(err);
|
||||
if (onError) {
|
||||
onError({
|
||||
type: err && (err.type || err),
|
||||
loaded: !initializing
|
||||
});
|
||||
}
|
||||
});
|
||||
};
|
||||
|
||||
network.on('disconnect', function (reason) {
|
||||
//if (isIntentionallyLeaving) { return; }
|
||||
if (reason === "network.disconnect() called") { return; }
|
||||
onDisconnect();
|
||||
//sframeChan.event('EV_RT_DISCONNECT');
|
||||
});
|
||||
|
||||
network.on('reconnect', function () {
|
||||
if (stopped) { return; }
|
||||
initializing = true;
|
||||
connectTo(network, false);
|
||||
});
|
||||
|
||||
network.on('message', function (msg, sender) { // Direct message
|
||||
if (stopped) { return; }
|
||||
var wchan = findChannelById(network.webChannels, channel);
|
||||
if (wchan) {
|
||||
onMsg(sender, msg, wchan, network, true);
|
||||
}
|
||||
});
|
||||
|
||||
connectTo(network, true);
|
||||
|
||||
return {
|
||||
stop: function () {
|
||||
var wchan = findChannelById(network.webChannels, channel);
|
||||
if (wchan) { wchan.leave(''); }
|
||||
stopped = true;
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
return {
|
||||
start: start,
|
||||
removeCp: removeCp
|
||||
/*function (config) {
|
||||
config.sframeChan.whenReg('EV_RT_READY', function () {
|
||||
start(config);
|
||||
});
|
||||
}*/
|
||||
};
|
||||
});
|
||||
|
||||
Loading…
Reference in New Issue