}, function(client) {
var stream;
var document = null;
log.debug("New Client Connected");
log.debug(client);
var rawSessionCookie = cookie.parse(client.headers.cookie)['connect.sid'];
var sessionId = signature.unsign(rawSessionCookie.slice(2), options.sessionSecret);
if (sessionId == false) {
// Invalid session
log.error({message:"Tried to get sessionId that doesn't exist",value:rawSessionCookie});
client.stop();
return;
}
stream = new Duplex({
objectMode: true
});
stream._write = function(chunk, encoding, callback) {
log.debug('s->c ', JSON.stringify(chunk));
if (client.state !== 'closed') {
client.send(chunk);
} else {
log.debug("CLIENT IS CLOSED");
}
callback();
};
stream._read = function() {};
stream.headers = client.headers;
stream.remoteAddress = stream.address;
client.on('message', function(data) {
log.debug('c->s ', JSON.stringify(data));
if (data['a']=='sub' || data['a']=='bs') {
if (data['a']=='sub') {
// User is subscribing to a new document
log.debug("Got new sub");
document = data['d'];
} else { // data['a']=='bs'
var collectionDocumentVersionMap = data['s'];
var numCollections = Object.keys(collectionDocumentVersionMap).length;
if (numCollections != 1) {
log.error({message:"Zero or more than one collection not expected",value:numCollections});
client.stop();
return;
}
var cName = Object.keys(collectionDocumentVersionMap)[0];
var numDocuments = Object.keys(collectionDocumentVersionMap[cName]).length;
if (numDocuments != 1) {
log.error({message:"Zero or more than one document not expected",value:numDocuments});
client.stop();
return;
}
var docName = Object.keys(collectionDocumentVersionMap[cName])[0];
document = docName;
}
mongoStore.get(sessionId, function(err, session) {
if (err) {
log.error(err);
client.stop();
return;
}
if (!session) {
log.error({message:"Tried to get session that doesn't exist",value:rawSessionCookie});
client.stop();
return;
}
var userId = session.passport.user;
if (!userId) {
log.error({message:"Tried to get userId that doesn't exist",value:session});
client.stop();
return;
}
AuthHelper.userIdCanAccessPageId(userId, document, function(canAccess) {
if (!canAccess) {
client.stop();
return;
}
pageConnectionMap[document] = pageConnectionMap[document] ?
pageConnectionMap[document]+1 :
1;
log.info(pageConnectionMap[document] + " CLIENTS CONNECTED TO " + document);
stream.push(data);
});
});
} else {
stream.push(data);
}
});
stream.on('error', function(msg) {
log.info("GOT CLIENT ERROR: " + msg);
client.stop();
});
client.on('close', function(reason) {
stream.push(null);
stream.emit('close');
log.debug('client went away');
});
stream.on('end', function() {
log.debug("CLIENT END");
if (document) {
pageConnectionMap[document]--;
log.info(pageConnectionMap[document] + " CLIENTS ARE CONNECTED TO " + document + "\n");
if (pageConnectionMap[document]<=0) {
delete pageConnectionMap[document];
LiveSync.sync(document, function(){
client.close();
});
} else {
client.close();
}
} else {
client.close();
}
});
share.listen(stream);
}));
import * as cookie from "cookie-signature";
let val = cookie.sign('hello', 'tobiiscool');
val = cookie.sign('hello', 'tobiiscool');
cookie.unsign(val, 'tobiiscool');
cookie.unsign(val, 'luna');