], function(err)
{
if(ERR(err, callback)) return;
// next if session has not been deleted
if(sessioninfos[session] == null)
{
callback(null);
return;
}
if(author == sessioninfos[session].author)
{
socketio.sockets.sockets[session].json.send({"type":"COLLABROOM","data":{type:"ACCEPT_COMMIT", newRev:r}});
}
else
{
var forWire = Changeset.prepareForWire(revChangeset, pad.pool);
var wireMsg = {"type":"COLLABROOM",
"data":{type:"NEW_CHANGES",
newRev:r,
changeset: forWire.translated,
apool: forWire.pool,
author: author,
currentTime: currentTime,
timeDelta: currentTime - sessioninfos[session].time
}};
socketio.sockets.sockets[session].json.send(wireMsg);
}
if(sessioninfos[session] != null)
{
sessioninfos[session].time = currentTime;
sessioninfos[session].rev = r;
}
callback(null);
});
function(revision, callback)
{
revCache[r] = revision;
var author = revision.meta.author,
revChangeset = revision.changeset,
currentTime = revision.meta.timestamp;
// next if session has not been deleted
if(sessioninfos[sid] == null)
return callback(null);
if(author == sessioninfos[sid].author)
{
client.json.send({"type":"COLLABROOM","data":{type:"ACCEPT_COMMIT", newRev:r}});
}
else
{
var forWire = Changeset.prepareForWire(revChangeset, pad.pool);
var wireMsg = {"type":"COLLABROOM",
"data":{type:"NEW_CHANGES",
newRev:r,
changeset: forWire.translated,
apool: forWire.pool,
author: author,
currentTime: currentTime,
timeDelta: currentTime - sessioninfos[sid].time
}};
client.json.send(wireMsg);
}
sessioninfos[sid].time = currentTime;
sessioninfos[sid].rev = r;
callback(null);
}
//glue the clientVars together, send them and tell the other clients that a new one is there
function(callback)
{
//Check that the client is still here. It might have disconnected between callbacks.
if(sessioninfos[client.id] === undefined)
{
callback();
return;
}
//Check if this author is already on the pad, if yes, kick the other sessions!
if(pad2sessions[padIds.padId])
{
for(var i in pad2sessions[padIds.padId])
{
if(sessioninfos[pad2sessions[padIds.padId][i]] && sessioninfos[pad2sessions[padIds.padId][i]].author == author)
{
var socket = socketio.sockets.sockets[pad2sessions[padIds.padId][i]];
if(socket) socket.json.send({disconnect:"userdup"});
}
}
}
//Save in sessioninfos that this session belonges to this pad
sessioninfos[client.id].padId = padIds.padId;
sessioninfos[client.id].readOnlyPadId = padIds.readOnlyPadId;
sessioninfos[client.id].readonly = padIds.readonly;
//check if there is already a pad2sessions entry, if not, create one
if(!pad2sessions[padIds.padId])
{
pad2sessions[padIds.padId] = [];
}
//Saves in pad2sessions that this session belongs to this pad
pad2sessions[padIds.padId].push(client.id);
//If this is a reconnect, we don't have to send the client the ClientVars again
if(message.reconnect == true)
{
//Save the revision in sessioninfos, we take the revision from the info the client send to us
sessioninfos[client.id].rev = message.client_rev;
}
//This is a normal first connect
else
{
//prepare all values for the wire
var atext = Changeset.cloneAText(pad.atext);
var attribsForWire = Changeset.prepareForWire(atext.attribs, pad.pool);
var apool = attribsForWire.pool.toJsonable();
atext.attribs = attribsForWire.translated;
// Warning: never ever send padIds.padId to the client. If the
// client is read only you would open a security hole 1 swedish
// mile wide...
var clientVars = {
"accountPrivs": {
"maxRevisions": 100
},
"initialRevisionList": [],
"initialOptions": {
"guestPolicy": "deny"
},
"savedRevisions": pad.getSavedRevisions(),
"collab_client_vars": {
"initialAttributedText": atext,
"clientIp": "127.0.0.1",
"padId": message.padId,
"historicalAuthorData": historicalAuthorData,
"apool": apool,
"rev": pad.getHeadRevisionNumber(),
"globalPadId": message.padId,
"time": currentTime,
},
"colorPalette": authorManager.getColorPalette(),
"clientIp": "127.0.0.1",
"userIsGuest": true,
"userColor": authorColorId,
"padId": message.padId,
"initialTitle": "Pad: " + message.padId,
"opts": {},
// tell the client the number of the latest chat-message, which will be
// used to request the latest 100 chat-messages later (GET_CHAT_MESSAGES)
"chatHead": pad.chatHead,
"numConnectedUsers": pad2sessions[padIds.padId].length,
"isProPad": false,
"readOnlyId": padIds.readOnlyPadId,
"readonly": padIds.readonly,
"serverTimestamp": new Date().getTime(),
"globalPadId": message.padId,
"userId": author,
"cookiePrefsToSet": {
"fullWidth": false,
"hideSidebar": false
},
"abiwordAvailable": settings.abiwordAvailable(),
"plugins": {
"plugins": plugins.plugins,
"parts": plugins.parts,
},
"initialChangesets": [] // FIXME: REMOVE THIS SHIT
}
//Add a username to the clientVars if one avaiable
if(authorName != null)
{
clientVars.userName = authorName;
}
//call the clientVars-hook so plugins can modify them before they get sent to the client
hooks.aCallAll("clientVars", { clientVars: clientVars, pad: pad }, function ( err, messages ) {
if(ERR(err, callback)) return;
_.each(messages, function(newVars) {
//combine our old object with the new attributes from the hook
for(var attr in newVars) {
clientVars[attr] = newVars[attr];
}
});
//Send the clientVars to the Client
client.json.send({type: "CLIENT_VARS", data: clientVars});
//Save the current revision in sessioninfos, should be the same as in clientVars
sessioninfos[client.id].rev = pad.getHeadRevisionNumber();
});
}
sessioninfos[client.id].author = author;
//prepare the notification for the other users on the pad, that this user joined
var messageToTheOtherUsers = {
"type": "COLLABROOM",
"data": {
type: "USER_NEWINFO",
userInfo: {
"ip": "127.0.0.1",
"colorId": authorColorId,
"userAgent": "Anonymous",
"userId": author
}
}
};
//Add the authorname of this new User, if avaiable
if(authorName != null)
{
messageToTheOtherUsers.data.userInfo.name = authorName;
}
//Run trough all sessions of this pad
async.forEach(pad2sessions[padIds.padId], function(sessionID, callback)
{
var author, socket, sessionAuthorName, sessionAuthorColorId;
//Since sessioninfos might change while being enumerated, check if the
//sessionID is still assigned to a valid session
if(sessioninfos[sessionID] !== undefined &&
socketio.sockets.sockets[sessionID] !== undefined){
author = sessioninfos[sessionID].author;
socket = socketio.sockets.sockets[sessionID];
}else {
// If the sessionID is not valid, callback();
callback();
return;
}
async.series([
//get the authorname & colorId
function(callback)
{
async.parallel([
function(callback)
{
authorManager.getAuthorColorId(author, function(err, value)
{
if(ERR(err, callback)) return;
sessionAuthorColorId = value;
callback();
})
},
function(callback)
{
authorManager.getAuthorName(author, function(err, value)
{
if(ERR(err, callback)) return;
sessionAuthorName = value;
callback();
})
}
],callback);
},
function (callback)
{
//Jump over, if this session is the connection session
if(sessionID != client.id)
{
//Send this Session the Notification about the new user
socket.json.send(messageToTheOtherUsers);
//Send the new User a Notification about this other user
var messageToNotifyTheClientAboutTheOthers = {
"type": "COLLABROOM",
"data": {
type: "USER_NEWINFO",
userInfo: {
"ip": "127.0.0.1",
"colorId": sessionAuthorColorId,
"name": sessionAuthorName,
"userAgent": "Anonymous",
"userId": author
}
}
};
client.json.send(messageToNotifyTheClientAboutTheOthers);
}
}
], callback);
}, callback);
}
//glue the clientVars together, send them and tell the other clients that a new one is there
function(callback)
{
//Check that the client is still here. It might have disconnected between callbacks.
if(sessioninfos[client.id] === undefined)
return callback();
//Check if this author is already on the pad, if yes, kick the other sessions!
var roomClients = socketio.sockets.clients(padIds.padId);
for(var i = 0; i < roomClients.length; i++) {
var sinfo = sessioninfos[roomClients[i].id];
if(sinfo && sinfo.author == author) {
// fix user's counter, works on page refresh or if user closes browser window and then rejoins
sessioninfos[roomClients[i].id] = {};
roomClients[i].leave(padIds.padId);
roomClients[i].json.send({disconnect:"userdup"});
}
}
//Save in sessioninfos that this session belonges to this pad
sessioninfos[client.id].padId = padIds.padId;
sessioninfos[client.id].readOnlyPadId = padIds.readOnlyPadId;
sessioninfos[client.id].readonly = padIds.readonly;
//Log creation/(re-)entering of a pad
client.get('remoteAddress', function(er, ip) {
if(pad.head > 0) {
accessLogger.info('[ENTER] Pad "'+padIds.padId+'": Client '+client.id+' with IP "'+ip+'" entered the pad');
}
else if(pad.head == 0) {
accessLogger.info('[CREATE] Pad "'+padIds.padId+'": Client '+client.id+' with IP "'+ip+'" created the pad');
}
})
//If this is a reconnect, we don't have to send the client the ClientVars again
if(message.reconnect == true)
{
//Join the pad and start receiving updates
client.join(padIds.padId);
//Save the revision in sessioninfos, we take the revision from the info the client send to us
sessioninfos[client.id].rev = message.client_rev;
}
//This is a normal first connect
else
{
//prepare all values for the wire
var atext = Changeset.cloneAText(pad.atext);
var attribsForWire = Changeset.prepareForWire(atext.attribs, pad.pool);
var apool = attribsForWire.pool.toJsonable();
atext.attribs = attribsForWire.translated;
// Warning: never ever send padIds.padId to the client. If the
// client is read only you would open a security hole 1 swedish
// mile wide...
var clientVars = {
"accountPrivs": {
"maxRevisions": 100
},
"initialRevisionList": [],
"initialOptions": {
"guestPolicy": "deny"
},
"savedRevisions": pad.getSavedRevisions(),
"collab_client_vars": {
"initialAttributedText": atext,
"clientIp": "127.0.0.1",
"padId": message.padId,
"historicalAuthorData": historicalAuthorData,
"apool": apool,
"rev": pad.getHeadRevisionNumber(),
"globalPadId": message.padId,
"time": currentTime,
},
"colorPalette": authorManager.getColorPalette(),
"clientIp": "127.0.0.1",
"userIsGuest": true,
"userColor": authorColorId,
"padId": message.padId,
"initialTitle": "Pad: " + message.padId,
"opts": {},
// tell the client the number of the latest chat-message, which will be
// used to request the latest 100 chat-messages later (GET_CHAT_MESSAGES)
"chatHead": pad.chatHead,
"numConnectedUsers": roomClients.length,
"readOnlyId": padIds.readOnlyPadId,
"readonly": padIds.readonly,
"serverTimestamp": new Date().getTime(),
"globalPadId": message.padId,
"userId": author,
"abiwordAvailable": settings.abiwordAvailable(),
"plugins": {
"plugins": plugins.plugins,
"parts": plugins.parts,
},
"initialChangesets": [] // FIXME: REMOVE THIS SHIT
}
//Add a username to the clientVars if one avaiable
if(authorName != null)
{
clientVars.userName = authorName;
}
//call the clientVars-hook so plugins can modify them before they get sent to the client
hooks.aCallAll("clientVars", { clientVars: clientVars, pad: pad }, function ( err, messages ) {
if(ERR(err, callback)) return;
_.each(messages, function(newVars) {
//combine our old object with the new attributes from the hook
for(var attr in newVars) {
clientVars[attr] = newVars[attr];
}
});
//Join the pad and start receiving updates
client.join(padIds.padId);
//Send the clientVars to the Client
client.json.send({type: "CLIENT_VARS", data: clientVars});
//Save the current revision in sessioninfos, should be the same as in clientVars
sessioninfos[client.id].rev = pad.getHeadRevisionNumber();
});
}
sessioninfos[client.id].author = author;
//prepare the notification for the other users on the pad, that this user joined
var messageToTheOtherUsers = {
"type": "COLLABROOM",
"data": {
type: "USER_NEWINFO",
userInfo: {
"ip": "127.0.0.1",
"colorId": authorColorId,
"userAgent": "Anonymous",
"userId": author
}
}
};
//Add the authorname of this new User, if avaiable
if(authorName != null)
{
messageToTheOtherUsers.data.userInfo.name = authorName;
}
// notify all existing users about new user
client.broadcast.to(padIds.padId).json.send(messageToTheOtherUsers);
//Run trough all sessions of this pad
async.forEach(socketio.sockets.clients(padIds.padId), function(roomClient, callback)
{
var author;
//Jump over, if this session is the connection session
if(roomClient.id == client.id)
return callback();
//Since sessioninfos might change while being enumerated, check if the
//sessionID is still assigned to a valid session
if(sessioninfos[roomClient.id] !== undefined)
author = sessioninfos[roomClient.id].author;
else // If the client id is not valid, callback();
return callback();
async.waterfall([
//get the authorname & colorId
function(callback)
{
// reuse previously created cache of author's data
if(historicalAuthorData[author])
callback(null, historicalAuthorData[author]);
else
authorManager.getAuthor(author, callback);
},
function (authorInfo, callback)
{
//Send the new User a Notification about this other user
var msg = {
"type": "COLLABROOM",
"data": {
type: "USER_NEWINFO",
userInfo: {
"ip": "127.0.0.1",
"colorId": authorInfo.colorId,
"name": authorInfo.name,
"userAgent": "Anonymous",
"userId": author
}
}
};
client.json.send(msg);
}
], callback);
}, callback);
}