Merge branch 'two' of github.com:xwiki-labs/cryptpad into two
ansuz
commit
ce99bd9ba3
|
|
@ -87,7 +87,27 @@ dropUser = function (ctx, user) {
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};
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const getHistory = function (ctx, channelName, handler, cb) {
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ctx.store.getMessages(channelName, function (msgStr) { handler(JSON.parse(msgStr)); }, cb);
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var messageBuf = [];
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ctx.store.getMessages(channelName, function (msgStr) {
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messageBuf.push(JSON.parse(msgStr));
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}, function () {
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var startPoint;
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var cpCount = 0;
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var msgBuff2 = [];
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for (startPoint = messageBuf.length - 1; startPoint >= 0; startPoint--) {
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var msg = messageBuf[startPoint];
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msgBuff2.push(msg);
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if (msg[2] === 'MSG' && msg[4].indexOf('cp|') === 0) {
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cpCount++;
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if (cpCount >= 2) {
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for (var x = msgBuff2.pop(); x; x = msgBuff2.pop()) { handler(x); }
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break;
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}
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}
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//console.log(messageBuf[startPoint]);
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}
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cb();
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});
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};
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const randName = function () { return Crypto.randomBytes(16).toString('hex'); };
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|
|
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@ -28,7 +28,8 @@ var create = Patch.create = function (parentHash) {
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return {
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type: 'Patch',
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operations: [],
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parentHash: parentHash
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parentHash: parentHash,
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isCheckpoint: false
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};
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};
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@ -45,6 +46,13 @@ var check = Patch.check = function (patch, docLength_opt) {
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docLength_opt += Operation.lengthChange(patch.operations[i]);
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}
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}
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if (patch.isCheckpoint) {
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Common.assert(patch.operations.length === 1);
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Common.assert(patch.operations[0].offset === 0);
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if (typeof(docLength_opt) === 'number') {
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Common.assert(!docLength_opt || patch.operations[0].toRemove === docLength_opt);
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}
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}
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};
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var toObj = Patch.toObj = function (patch) {
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@ -104,6 +112,20 @@ var addOperation = Patch.addOperation = function (patch, op) {
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if (Common.PARANOIA) { check(patch); }
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};
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var createCheckpoint = Patch.createCheckpoint =
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function (parentContent, checkpointContent, parentContentHash_opt)
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{
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var op = Operation.create(0, parentContent.length, checkpointContent);
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if (Common.PARANOIA && parentContentHash_opt) {
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Common.assert(parentContentHash_opt === hash(parentContent));
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}
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parentContentHash_opt = parentContentHash_opt || hash(parentContent);
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var out = create(parentContentHash_opt);
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addOperation(out, op);
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out.isCheckpoint = true;
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return out;
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};
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var clone = Patch.clone = function (patch) {
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if (Common.PARANOIA) { check(patch); }
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var out = create();
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@ -380,7 +402,7 @@ var PARANOIA = module.exports.PARANOIA = true;
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var VALIDATE_ENTIRE_CHAIN_EACH_MSG = module.exports.VALIDATE_ENTIRE_CHAIN_EACH_MSG = false;
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/* throw errors over non-compliant messages which would otherwise be treated as invalid */
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var TESTING = module.exports.TESTING = true;
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var TESTING = module.exports.TESTING = false;
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var assert = module.exports.assert = function (expr) {
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if (!expr) { throw new Error("Failed assertion"); }
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@ -435,10 +457,11 @@ var REGISTER = Message.REGISTER = 0;
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var REGISTER_ACK = Message.REGISTER_ACK = 1;
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var PATCH = Message.PATCH = 2;
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var DISCONNECT = Message.DISCONNECT = 3;
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var CHECKPOINT = Message.CHECKPOINT = 4;
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var check = Message.check = function(msg) {
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Common.assert(msg.type === 'Message');
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if (msg.messageType === PATCH) {
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if (msg.messageType === PATCH || msg.messageType === CHECKPOINT) {
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Patch.check(msg.content);
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Common.assert(typeof(msg.lastMsgHash) === 'string');
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} else {
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|
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@ -459,9 +482,8 @@ var create = Message.create = function (type, content, lastMsgHash) {
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var toString = Message.toString = function (msg) {
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if (Common.PARANOIA) { check(msg); }
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if (msg.messageType === PATCH) {
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return JSON.stringify([PATCH, Patch.toObj(msg.content), msg.lastMsgHash]);
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if (msg.messageType === PATCH || msg.messageType === CHECKPOINT) {
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return JSON.stringify([msg.messageType, Patch.toObj(msg.content), msg.lastMsgHash]);
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} else {
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throw new Error();
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}
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@ -478,43 +500,11 @@ var discardBencode = function (msg, arr) {
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};
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var fromString = Message.fromString = function (str) {
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var msg = str;
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|
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if (str.charAt(0) === '[') {
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var m = JSON.parse(str);
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return create(m[0], Patch.fromObj(m[1]), m[2]);
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} else {
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/* Just in case we receive messages in the old format,
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we should try to parse them. We only need the content, though,
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so just extract that and throw the rest away */
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var last;
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var parts = [];
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// chop off all the bencoded components
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while (msg) {
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msg = discardBencode(msg, parts);
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}
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// grab the last component from the parts
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// we don't need anything else
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var contentStr = parts.slice(-1)[0];
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var content = JSON.parse(contentStr);
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var message;
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if (content[0] === PATCH) {
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message = create(userName, PATCH, Patch.fromObj(content[1]), content[2]);
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} else if ([4,5].indexOf(content[0]) !== -1 /* === PING || content[0] === PONG*/) {
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// it's a ping or pong, which we don't want to support anymore
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message = create(userName, content[0], content[1]);
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} else {
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message = create(userName, content[0]);
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}
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// This check validates every operation in the patch.
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check(message);
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return message
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}
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var m = JSON.parse(str);
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if (m[0] !== CHECKPOINT && m[0] !== PATCH) { throw new Error("invalid message type " + m[0]); }
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var msg = create(m[0], Patch.fromObj(m[1]), m[2]);
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if (m[0] === CHECKPOINT) { msg.content.isCheckpoint = true; }
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return msg;
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};
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var hashOf = Message.hashOf = function (msg) {
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@ -550,8 +540,16 @@ var Sha = module.exports.Sha = require('./SHA256');
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var ChainPad = {};
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// hex_sha256('')
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var EMPTY_STR_HASH = 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855';
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var ZERO = '0000000000000000000000000000000000000000000000000000000000000000';
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var EMPTY_STR_HASH = module.exports.EMPTY_STR_HASH =
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'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855';
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var ZERO = '0000000000000000000000000000000000000000000000000000000000000000';
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// Default number of patches between checkpoints (patches older than this will be pruned)
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// default for realtime.config.checkpointInterval
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var DEFAULT_CHECKPOINT_INTERVAL = 200;
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// Default number of milliseconds to wait before syncing to the server
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var DEFAULT_AVERAGE_SYNC_MILLISECONDS = 300;
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var enterChainPad = function (realtime, func) {
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return function () {
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@ -567,8 +565,9 @@ var debug = function (realtime, msg) {
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};
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var schedule = function (realtime, func, timeout) {
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if (realtime.aborted) { return; }
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if (!timeout) {
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timeout = Math.floor(Math.random() * 2 * realtime.avgSyncTime);
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timeout = Math.floor(Math.random() * 2 * realtime.config.avgSyncMilliseconds);
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}
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var to = setTimeout(enterChainPad(realtime, function () {
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realtime.schedules.splice(realtime.schedules.indexOf(to), 1);
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@ -598,12 +597,52 @@ var onMessage = function (realtime, message, callback) {
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}
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};
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var sendMessage = function (realtime, msg, callback) {
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var strMsg = Message.toString(msg);
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onMessage(realtime, strMsg, function (err) {
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if (err) {
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debug(realtime, "Posting to server failed [" + err + "]");
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realtime.pending = null;
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} else {
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var pending = realtime.pending;
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realtime.pending = null;
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Common.assert(pending.hash === msg.hashOf);
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handleMessage(realtime, strMsg, true);
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pending.callback();
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}
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});
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msg.hashOf = msg.hashOf || Message.hashOf(msg);
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var timeout = schedule(realtime, function () {
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debug(realtime, "Failed to send message [" + msg.hashOf + "] to server");
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sync(realtime);
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}, 10000 + (Math.random() * 5000));
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if (realtime.pending) { throw new Error("there is already a pending message"); }
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realtime.pending = {
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hash: msg.hashOf,
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callback: function () {
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if (realtime.initialMessage && realtime.initialMessage.hashOf === msg.hashOf) {
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debug(realtime, "initial Ack received [" + msg.hashOf + "]");
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realtime.initialMessage = null;
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}
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unschedule(realtime, timeout);
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realtime.syncSchedule = schedule(realtime, function () { sync(realtime); }, 0);
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callback();
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}
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};
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if (Common.PARANOIA) { check(realtime); }
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};
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var sync = function (realtime) {
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if (Common.PARANOIA) { check(realtime); }
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if (realtime.syncSchedule) {
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if (realtime.syncSchedule && !realtime.pending) {
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unschedule(realtime, realtime.syncSchedule);
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realtime.syncSchedule = null;
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} else {
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//debug(realtime, "already syncing...");
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// we're currently waiting on something from the server.
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return;
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}
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@ -617,6 +656,19 @@ var sync = function (realtime) {
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return;
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}
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if (((parentCount(realtime, realtime.best) + 1) % realtime.config.checkpointInterval) === 0) {
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var best = realtime.best;
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debug(realtime, "Sending checkpoint");
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var cpp = Patch.createCheckpoint(realtime.authDoc,
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realtime.authDoc,
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realtime.best.content.inverseOf.parentHash);
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var cp = Message.create(Message.CHECKPOINT, cpp, realtime.best.hashOf);
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sendMessage(realtime, cp, function () {
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debug(realtime, "Checkpoint sent and accepted");
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});
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return;
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||||
}
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|
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var msg;
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if (realtime.best === realtime.initialMessage) {
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msg = realtime.initialMessage;
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|
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@ -624,39 +676,16 @@ var sync = function (realtime) {
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msg = Message.create(Message.PATCH, realtime.uncommitted, realtime.best.hashOf);
|
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}
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var strMsg = Message.toString(msg);
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|
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onMessage(realtime, strMsg, function (err) {
|
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if (err) {
|
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debug(realtime, "Posting to server failed [" + err + "]");
|
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} else {
|
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handleMessage(realtime, strMsg, true);
|
||||
}
|
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sendMessage(realtime, msg, function () {
|
||||
//debug(realtime, "patch sent");
|
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});
|
||||
|
||||
var hash = Message.hashOf(msg);
|
||||
|
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var timeout = schedule(realtime, function () {
|
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debug(realtime, "Failed to send message ["+hash+"] to server");
|
||||
sync(realtime);
|
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}, 10000 + (Math.random() * 5000));
|
||||
realtime.pending = {
|
||||
hash: hash,
|
||||
callback: function () {
|
||||
if (realtime.initialMessage && realtime.initialMessage.hashOf === hash) {
|
||||
debug(realtime, "initial Ack received ["+hash+"]");
|
||||
realtime.initialMessage = null;
|
||||
}
|
||||
unschedule(realtime, timeout);
|
||||
realtime.syncSchedule = schedule(realtime, function () { sync(realtime); }, 0);
|
||||
}
|
||||
};
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
};
|
||||
|
||||
var create = ChainPad.create = function (config) {
|
||||
config = config || {};
|
||||
var initialState = config.initialState || '';
|
||||
config.checkpointInterval = config.checkpointInterval || DEFAULT_CHECKPOINT_INTERVAL;
|
||||
config.avgSyncMilliseconds = config.avgSyncMilliseconds || DEFAULT_AVERAGE_SYNC_MILLISECONDS;
|
||||
|
||||
var realtime = {
|
||||
type: 'ChainPad',
|
||||
|
|
@ -665,7 +694,7 @@ var create = ChainPad.create = function (config) {
|
|||
|
||||
config: config,
|
||||
|
||||
logLevel: typeof(config.logLevel) !== 'undefined'? config.logLevel: 1,
|
||||
logLevel: (typeof(config.logLevel) === 'number') ? config.logLevel : 1,
|
||||
|
||||
/** A patch representing all uncommitted work. */
|
||||
uncommitted: null,
|
||||
|
|
@ -673,18 +702,17 @@ var create = ChainPad.create = function (config) {
|
|||
uncommittedDocLength: initialState.length,
|
||||
|
||||
patchHandlers: [],
|
||||
opHandlers: [],
|
||||
changeHandlers: [],
|
||||
|
||||
messageHandlers: [],
|
||||
|
||||
schedules: [],
|
||||
aborted: false,
|
||||
|
||||
syncSchedule: null,
|
||||
|
||||
registered: false,
|
||||
|
||||
avgSyncTime: 100,
|
||||
|
||||
// this is only used if PARANOIA is enabled.
|
||||
userInterfaceContent: undefined,
|
||||
|
||||
|
|
@ -699,12 +727,6 @@ var create = ChainPad.create = function (config) {
|
|||
rootMessage: null,
|
||||
|
||||
userName: config.userName || 'anonymous',
|
||||
|
||||
/**
|
||||
* Set to the message which sets the initialState if applicable.
|
||||
* Reset to null after the initial message has been successfully broadcasted.
|
||||
*/
|
||||
initialMessage: null,
|
||||
};
|
||||
|
||||
if (Common.PARANOIA) {
|
||||
|
|
@ -712,6 +734,10 @@ var create = ChainPad.create = function (config) {
|
|||
}
|
||||
|
||||
var zeroPatch = Patch.create(EMPTY_STR_HASH);
|
||||
if (initialState !== '') {
|
||||
var initialOp = Operation.create(0, 0, initialState);
|
||||
Patch.addOperation(zeroPatch, initialOp);
|
||||
}
|
||||
zeroPatch.inverseOf = Patch.invert(zeroPatch, '');
|
||||
zeroPatch.inverseOf.inverseOf = zeroPatch;
|
||||
var zeroMsg = Message.create(Message.PATCH, zeroPatch, ZERO);
|
||||
|
|
@ -721,40 +747,12 @@ var create = ChainPad.create = function (config) {
|
|||
(realtime.messagesByParent[zeroMsg.lastMessageHash] || []).push(zeroMsg);
|
||||
realtime.rootMessage = zeroMsg;
|
||||
realtime.best = zeroMsg;
|
||||
|
||||
if (initialState === '') {
|
||||
realtime.uncommitted = Patch.create(zeroPatch.inverseOf.parentHash);
|
||||
return realtime;
|
||||
}
|
||||
|
||||
var initialOp = Operation.create(0, 0, initialState);
|
||||
var initialStatePatch = Patch.create(zeroPatch.inverseOf.parentHash);
|
||||
Patch.addOperation(initialStatePatch, initialOp);
|
||||
initialStatePatch.inverseOf = Patch.invert(initialStatePatch, '');
|
||||
initialStatePatch.inverseOf.inverseOf = initialStatePatch;
|
||||
|
||||
// flag this patch so it can be handled specially.
|
||||
// Specifically, we never treat an initialStatePatch as our own,
|
||||
// we let it be reverted to prevent duplication of data.
|
||||
initialStatePatch.isInitialStatePatch = true;
|
||||
initialStatePatch.inverseOf.isInitialStatePatch = true;
|
||||
|
||||
realtime.authDoc = initialState;
|
||||
realtime.uncommitted = Patch.create(zeroPatch.inverseOf.parentHash);
|
||||
|
||||
if (Common.PARANOIA) {
|
||||
realtime.userInterfaceContent = initialState;
|
||||
}
|
||||
initialMessage = Message.create(Message.PATCH, initialStatePatch, zeroMsg.hashOf);
|
||||
initialMessage.hashOf = Message.hashOf(initialMessage);
|
||||
initialMessage.parentCount = 1;
|
||||
initialMessage.isFromMe = true;
|
||||
|
||||
realtime.messages[initialMessage.hashOf] = initialMessage;
|
||||
(realtime.messagesByParent[initialMessage.lastMessageHash] || []).push(initialMessage);
|
||||
|
||||
realtime.best = initialMessage;
|
||||
realtime.uncommitted = Patch.create(initialStatePatch.inverseOf.parentHash);
|
||||
realtime.initialMessage = initialMessage;
|
||||
|
||||
return realtime;
|
||||
};
|
||||
|
||||
|
|
@ -803,6 +801,17 @@ var doOperation = ChainPad.doOperation = function (realtime, op) {
|
|||
realtime.uncommittedDocLength += Operation.lengthChange(op);
|
||||
};
|
||||
|
||||
var doPatch = ChainPad.doPatch = function (realtime, patch) {
|
||||
if (Common.PARANOIA) {
|
||||
check(realtime);
|
||||
Common.assert(Patch.invert(realtime.uncommitted).parentHash === patch.parentHash);
|
||||
realtime.userInterfaceContent = Patch.apply(patch, realtime.userInterfaceContent);
|
||||
}
|
||||
Patch.check(patch, realtime.uncommittedDocLength);
|
||||
realtime.uncommitted = Patch.merge(realtime.uncommitted, patch);
|
||||
realtime.uncommittedDocLength += Patch.lengthChange(patch);
|
||||
};
|
||||
|
||||
var isAncestorOf = function (realtime, ancestor, decendent) {
|
||||
if (!decendent || !ancestor) { return false; }
|
||||
if (ancestor === decendent) { return true; }
|
||||
|
|
@ -858,31 +867,34 @@ var getBestChild = function (realtime, msg) {
|
|||
return best;
|
||||
};
|
||||
|
||||
var pushUIPatch = function (realtime, patch) {
|
||||
if (patch.operations.length) {
|
||||
// push the uncommittedPatch out to the user interface.
|
||||
for (var i = 0; i < realtime.patchHandlers.length; i++) {
|
||||
realtime.patchHandlers[i](patch);
|
||||
}
|
||||
for (var i = 0; i < realtime.changeHandlers.length; i++) {
|
||||
for (var j = patch.operations.length; j >= 0; j--) {
|
||||
var op = patch.operations[j];
|
||||
realtime.changeHandlers[i](op.offset, op.toRemove, op.toInsert);
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
var handleMessage = ChainPad.handleMessage = function (realtime, msgStr, isFromMe) {
|
||||
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
var msg = Message.fromString(msgStr);
|
||||
|
||||
// These are all deprecated message types
|
||||
if (['REGISTER', 'PONG', 'DISCONNECT'].map(function (x) {
|
||||
return Message[x];
|
||||
}).indexOf(msg.messageType) !== -1) {
|
||||
console.log("Deprecated message type: [%s]", msg.messageType);
|
||||
// otherwise it's a disconnect.
|
||||
if (msg.messageType !== Message.PATCH && msg.messageType !== Message.CHECKPOINT) {
|
||||
debug(realtime, "unrecognized message type " + msg.messageType);
|
||||
return;
|
||||
}
|
||||
|
||||
// otherwise it's a disconnect.
|
||||
if (msg.messageType !== Message.PATCH) {
|
||||
console.error("disconnect");
|
||||
return; }
|
||||
|
||||
msg.hashOf = Message.hashOf(msg);
|
||||
|
||||
if (realtime.pending && realtime.pending.hash === msg.hashOf) {
|
||||
realtime.pending.callback();
|
||||
realtime.pending = null;
|
||||
}
|
||||
|
||||
if (realtime.messages[msg.hashOf]) {
|
||||
debug(realtime, "Patch [" + msg.hashOf + "] is already known");
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
|
|
@ -894,10 +906,33 @@ var handleMessage = ChainPad.handleMessage = function (realtime, msgStr, isFromM
|
|||
realtime.messagesByParent[msg.lastMsgHash] || []).push(msg);
|
||||
|
||||
if (!isAncestorOf(realtime, realtime.rootMessage, msg)) {
|
||||
// we'll probably find the missing parent later.
|
||||
debug(realtime, "Patch [" + msg.hashOf + "] not connected to root");
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
return;
|
||||
if (realtime.rootMessage === realtime.best && msg.content.isCheckpoint) {
|
||||
// We're starting with a trucated chain from a checkpoint, we will adopt this
|
||||
// as the root message and go with it...
|
||||
var userDoc = Patch.apply(realtime.uncommitted, realtime.authDoc);
|
||||
Common.assert(!Common.PARANOIA || realtime.userInterfaceContent === userDoc);
|
||||
var fixUserDocPatch = Patch.invert(realtime.uncommitted, realtime.authDoc);
|
||||
Patch.addOperation(fixUserDocPatch,
|
||||
Operation.create(0, realtime.authDoc.length, msg.content.operations[0].toInsert));
|
||||
fixUserDocPatch =
|
||||
Patch.simplify(fixUserDocPatch, userDoc, realtime.config.operationSimplify);
|
||||
|
||||
msg.parentCount = 0;
|
||||
realtime.rootMessage = realtime.best = msg;
|
||||
|
||||
realtime.authDoc = msg.content.operations[0].toInsert;
|
||||
realtime.uncommitted = Patch.create(Sha.hex_sha256(realtime.authDoc));
|
||||
realtime.uncommittedDocLength = realtime.authDoc.length;
|
||||
pushUIPatch(realtime, fixUserDocPatch);
|
||||
|
||||
if (Common.PARANOIA) { realtime.userInterfaceContent = realtime.authDoc; }
|
||||
return;
|
||||
} else {
|
||||
// we'll probably find the missing parent later.
|
||||
debug(realtime, "Patch [" + msg.hashOf + "] not connected to root");
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
// of this message fills in a hole in the chain which makes another patch better, swap to the
|
||||
|
|
@ -963,14 +998,49 @@ var handleMessage = ChainPad.handleMessage = function (realtime, msgStr, isFromM
|
|||
return;
|
||||
}
|
||||
|
||||
var simplePatch =
|
||||
Patch.simplify(patch, authDocAtTimeOfPatch, realtime.config.operationSimplify);
|
||||
if (!Patch.equals(simplePatch, patch)) {
|
||||
debug(realtime, "patch [" + msg.hashOf + "] can be simplified");
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
if (Common.TESTING) { throw new Error(); }
|
||||
delete realtime.messages[msg.hashOf];
|
||||
return;
|
||||
if (patch.isCheckpoint) {
|
||||
// Ok, we have a checkpoint patch.
|
||||
// If the chain length is not equal to checkpointInterval then this patch is invalid.
|
||||
var i = 0;
|
||||
var checkpointP;
|
||||
for (var m = getParent(realtime, msg); m; m = getParent(realtime, m)) {
|
||||
if (m.content.isCheckpoint) {
|
||||
if (checkpointP) {
|
||||
checkpointP = m;
|
||||
break;
|
||||
}
|
||||
checkpointP = m;
|
||||
}
|
||||
}
|
||||
if (checkpointP && checkpointP !== realtime.rootMessage) {
|
||||
var point = parentCount(realtime, checkpointP);
|
||||
if ((point % realtime.config.checkpointInterval) !== 0) {
|
||||
debug(realtime, "checkpoint [" + msg.hashOf + "] at invalid point [" + point + "]");
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
if (Common.TESTING) { throw new Error(); }
|
||||
delete realtime.messages[msg.hashOf];
|
||||
return;
|
||||
}
|
||||
|
||||
// Time to prune some old messages from the chain
|
||||
debug(realtime, "checkpoint [" + msg.hashOf + "]");
|
||||
for (var m = getParent(realtime, checkpointP); m; m = getParent(realtime, m)) {
|
||||
debug(realtime, "pruning [" + m.hashOf + "]");
|
||||
delete realtime.messages[m.hashOf];
|
||||
delete realtime.messagesByParent[m.hashOf];
|
||||
}
|
||||
realtime.rootMessage = checkpointP;
|
||||
}
|
||||
} else {
|
||||
var simplePatch =
|
||||
Patch.simplify(patch, authDocAtTimeOfPatch, realtime.config.operationSimplify);
|
||||
if (!Patch.equals(simplePatch, patch)) {
|
||||
debug(realtime, "patch [" + msg.hashOf + "] can be simplified");
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
if (Common.TESTING) { throw new Error(); }
|
||||
delete realtime.messages[msg.hashOf];
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
patch.inverseOf = Patch.invert(patch, authDocAtTimeOfPatch);
|
||||
|
|
@ -1012,19 +1082,8 @@ var handleMessage = ChainPad.handleMessage = function (realtime, msgStr, isFromM
|
|||
Common.assert(newUserInterfaceContent === realtime.userInterfaceContent);
|
||||
}
|
||||
|
||||
if (uncommittedPatch.operations.length) {
|
||||
// push the uncommittedPatch out to the user interface.
|
||||
for (var i = 0; i < realtime.patchHandlers.length; i++) {
|
||||
realtime.patchHandlers[i](uncommittedPatch);
|
||||
}
|
||||
if (realtime.opHandlers.length) {
|
||||
for (var i = uncommittedPatch.operations.length-1; i >= 0; i--) {
|
||||
for (var j = 0; j < realtime.opHandlers.length; j++) {
|
||||
realtime.opHandlers[j](uncommittedPatch.operations[i]);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
pushUIPatch(realtime, uncommittedPatch);
|
||||
|
||||
if (Common.PARANOIA) { check(realtime); }
|
||||
};
|
||||
|
||||
|
|
@ -1061,13 +1120,26 @@ var getDepthOfState = function (content, minDepth, realtime) {
|
|||
|
||||
module.exports.create = function (conf) {
|
||||
var realtime = ChainPad.create(conf);
|
||||
return {
|
||||
var out = {
|
||||
onPatch: enterChainPad(realtime, function (handler) {
|
||||
Common.assert(typeof(handler) === 'function');
|
||||
realtime.patchHandlers.push(handler);
|
||||
}),
|
||||
patch: enterChainPad(realtime, function (patch, x, y) {
|
||||
if (typeof(patch) === 'number') {
|
||||
// Actually they meant to call realtime.change()
|
||||
out.change(patch, x, y);
|
||||
return;
|
||||
}
|
||||
doPatch(realtime, patch);
|
||||
}),
|
||||
|
||||
patch: enterChainPad(realtime, function (offset, count, chars) {
|
||||
onChange: enterChainPad(realtime, function (handler) {
|
||||
Common.assert(typeof(handler) === 'function');
|
||||
realtime.changeHandlers.push(handler);
|
||||
}),
|
||||
change: enterChainPad(realtime, function (offset, count, chars) {
|
||||
if (count === 0 && chars === '') { return; }
|
||||
doOperation(realtime, Operation.create(offset, count, chars));
|
||||
}),
|
||||
|
||||
|
|
@ -1075,26 +1147,32 @@ module.exports.create = function (conf) {
|
|||
Common.assert(typeof(handler) === 'function');
|
||||
realtime.messageHandlers.push(handler);
|
||||
}),
|
||||
|
||||
message: enterChainPad(realtime, function (message) {
|
||||
handleMessage(realtime, message, false);
|
||||
}),
|
||||
|
||||
start: enterChainPad(realtime, function () {
|
||||
if (realtime.syncSchedule) { unschedule(realtime, realtime.syncSchedule); }
|
||||
realtime.syncSchedule = schedule(realtime, function () { sync(realtime); });
|
||||
}),
|
||||
|
||||
abort: enterChainPad(realtime, function () {
|
||||
realtime.aborted = true;
|
||||
realtime.schedules.forEach(function (s) { clearTimeout(s) });
|
||||
}),
|
||||
sync: enterChainPad(realtime, function () {
|
||||
sync(realtime);
|
||||
}),
|
||||
|
||||
sync: enterChainPad(realtime, function () { sync(realtime); }),
|
||||
|
||||
getAuthDoc: function () { return realtime.authDoc; },
|
||||
|
||||
getUserDoc: function () { return Patch.apply(realtime.uncommitted, realtime.authDoc); },
|
||||
|
||||
getDepthOfState: function (content, minDepth) {
|
||||
return getDepthOfState(content, minDepth, realtime);
|
||||
}
|
||||
};
|
||||
return out;
|
||||
};
|
||||
|
||||
},
|
||||
|
|
|
|||
|
|
@ -142,19 +142,21 @@ define([
|
|||
// shim between chainpad and netflux
|
||||
chainpadAdapter = {
|
||||
msgIn : function(peerId, msg) {
|
||||
var message = parseMessage(msg);
|
||||
msg = msg.replace(/^cp\|/, '');
|
||||
try {
|
||||
var decryptedMsg = Crypto.decrypt(message, cryptKey);
|
||||
var decryptedMsg = Crypto.decrypt(msg, cryptKey);
|
||||
messagesHistory.push(decryptedMsg);
|
||||
return decryptedMsg;
|
||||
} catch (err) {
|
||||
console.error(err);
|
||||
return message;
|
||||
return msg;
|
||||
}
|
||||
},
|
||||
msgOut : function(msg, wc) {
|
||||
try {
|
||||
return Crypto.encrypt(msg, cryptKey);
|
||||
var cmsg = Crypto.encrypt(msg, cryptKey);
|
||||
if (msg.indexOf('[4') === 0) { cmsg = 'cp|' + cmsg; }
|
||||
return cmsg;
|
||||
} catch (err) {
|
||||
console.log(msg);
|
||||
throw err;
|
||||
|
|
|
|||
Loading…
Reference in New Issue