Start rewriting channel.js

lib/channel-new.js

@@ -0,0 +1,210 @@
+var DEFAULT_FILTERS = [
+    new Filter("monospace", "`(.+?)`", "g", "<code>$1</code>"),
+    new Filter("bold", "\\*(.+?)\\*", "g", "<strong>$1</strong>"),
+    new Filter("italic", "_(.+?)_", "g", "<em>$1</em>"),
+    new Filter("strike", "~~(.+?)~~", "g", "<s>$1</s>"),
+    new Filter("inline spoiler", "\\[sp\\](.*?)\\[\\/sp\\]", "ig", "<span class=\"spoiler\">$1</span>")
+];
+
+function Channel(name) {
+    var self = this; // Alias `this` to prevent scoping issues   
+    Logger.syslog.log("Loading channel " + name);
+
+    // Defaults
+    self.ready = false;
+    self.name = name;
+    self.uniqueName = name.toLowerCase(); // To prevent casing issues
+    self.registered = false; // set to true if the channel exists in the database
+    self.users = [];
+    self.mutedUsers = new $util.Set();
+    self.playlist = new Playlist(self);
+    self.plqueue = new AsyncQueue(); // For synchronizing playlist actions
+    self.drinks = 0;
+    self.leader = null;
+    self.chatbuffer = [];
+    self.playlistLock = true;
+    self.poll = null;
+    self.voteskip = null;
+    self.permissions = {
+        playlistadd: 1.5, // Add video to the playlist
+        playlistnext: 1.5, // TODO I don't think this is used
+        playlistmove: 1.5, // Move a video on the playlist
+        playlistdelete: 2, // Delete a video from the playlist
+        playlistjump: 1.5, // Start a different video on the playlist
+        playlistaddlist: 1.5, // Add a list of videos to the playlist
+        oplaylistadd: -1, // Same as above, but for open (unlocked) playlist
+        oplaylistnext: 1.5,
+        oplaylistmove: 1.5,
+        oplaylistdelete: 2,
+        oplaylistjump: 1.5,
+        oplaylistaddlist: 1.5,
+        playlistaddcustom: 3, // Add custom embed to the playlist
+        playlistaddlive: 1.5, // Add a livestream to the playlist
+        exceedmaxlength: 2, // Add a video longer than the maximum length set
+        addnontemp: 2, // Add a permanent video to the playlist
+        settemp: 2, // Toggle temporary status of a playlist item
+        playlistgeturl: 1.5, // TODO is this even used?
+        playlistshuffle: 2, // Shuffle the playlist
+        playlistclear: 2, // Clear the playlist
+        pollctl: 1.5, // Open/close polls
+        pollvote: -1, // Vote in polls
+        viewhiddenpoll: 1.5, // View results of hidden polls
+        voteskip: -1, // Vote to skip the current video
+        mute: 1.5, // Mute other users
+        kick: 1.5, // Kick other users
+        ban: 2, // Ban other users
+        motdedit: 3, // Edit the MOTD
+        filteredit: 3, // Control chat filters
+        drink: 1.5, // Use the /d command
+        chat: 0 // Send chat messages
+    };
+    self.opts = {
+        allow_voteskip: true, // Allow users to voteskip
+        voteskip_ratio: 0.5, // Ratio of skip votes:non-afk users needed to skip the video
+        afk_timeout: 600, // Number of seconds before a user is automatically marked afk
+        pagetitle: self.name, // Title of the browser tab
+        maxlength: 0, // Maximum length (in seconds) of a video queued
+        externalcss: "", // Link to external stylesheet
+        externaljs: "", // Link to external script
+        chat_antiflood: false, // Throttle chat messages
+        chat_antiflood_params: {
+            burst: 4, // Number of messages to allow with no throttling
+            sustained: 1, // Throttle rate (messages/second)
+            cooldown: 4 // Number of seconds with no messages before burst is reset
+        },
+        show_public: false, // List the channel on the index page
+        enable_link_regex: true, // Use the built-in link filter
+        password: false // Channel password (false -> no password required for entry)
+    };
+    self.motd = {
+        motd: "", // Raw MOTD text
+        html: "" // Filtered MOTD text (XSS removed; \n replaced by <br>)
+    };
+    self.filters = DEFAULT_FILTERS;
+    self.banlist = new Banlist();
+    self.logger = new Logger.Logger(path.join(__dirname, "../chanlogs",
+                                    self.uniqueName + ".log"));
+    self.css = ""; // Up to 20KB of inline CSS
+    self.js = ""; // Up to 20KB of inline Javascript
+    
+    self.error = false; // Set to true if something bad happens => don't save state
+
+    self.on("ready", function () {
+        self.ready = true;
+    });
+
+    // Load from database
+    db.channels.load(self, function (err) {
+        if (err && err !== "Channel is not registered") {
+            return;
+        } else {
+            // Load state from JSON blob
+            self.tryLoadState();
+        }
+    });
+};
+
+Channel.prototype = EventEmitter;
+
+Channel.prototype.tryLoadState = function () {
+    var self = this;
+    if (self.name === "") {
+        return;
+    }
+
+    // Don't load state if the channel isn't registered
+    if (!self.registered) {
+        self.emit("ready");
+        return;
+    }
+
+    var file = path.join(__dirname, "../chandump", self.uniqueName);
+    fs.stat(file, function (err, stats) {
+        if (!err) {
+            var mb = stats.size / 1048576;
+            mb = Math.floor(mb * 100) / 100;
+            if (mb > 1) {
+                Logger.errlog.log("Large chandump detected: " + self.uniqueName +
+                                  " (" + mb + " MiB)");
+                self.setMOTD("Your channel file has exceeded the maximum size of 1MB " +
+                             "and cannot be loaded.  Please ask an administrator for " +
+                             "assistance in restoring it.");
+                self.error = true;
+                self.emit("ready");
+                return;
+            }
+        }
+
+        self.loadState();
+    });
+};
+
+/**
+ * Load the channel state from disk.
+ *
+ * SHOULD ONLY BE CALLED FROM tryLoadState
+ */
+Channel.prototype.loadState = function () {
+    var self = this;
+    if (self.error) {
+        return;
+    }
+
+    fs.readFile(path.join(__dirname, "../chandump", self.name),
+    function (err, data) {
+        if (err) {
+            // File didn't exist => start fresh
+            if (err.code === "ENOENT") {
+                self.emit("ready");
+                self.saveState();
+            } else {
+                Logger.errlog.log("Failed to open channel dump " + self.uniqueName);
+                Logger.errlog.log(err);
+                self.setMOTD("Internal error when loading channel");
+                self.error = true;
+                self.emit("ready");
+            }
+            return;
+        }
+
+        try {
+            self.logger.log("*** Loading channel state");
+            data = JSON.parse(data);
+
+            // Load the playlist
+            if ("playlist" in data) {
+            }
+
+            // Playlist lock
+            self.setLock(data.playlistLock || false);
+            
+            // Configurables
+            if ("opts" in data) {
+                for (var key in data.opts) {
+                    self.opts[key] = data.opts;
+                }
+            }
+
+            // Permissions
+            if ("permissions" in data) {
+                for (var key in data.permissions) {
+                    self.permissions[key] = data.permissions[key];
+                }
+            }
+
+            // Chat filters
+            if ("filters" in data) {
+                for (var i = 0; i < data.filters.length; i++) {
+                    var f = data.filters[i];
+                    var filt = new Filter(f.name, f.source, f.flags, f.replace);
+                    filt.active = f.active;
+                    filt.filterlinks = f.filterlinks;
+                    self.updateFilter(filt, false);
+                }
+            }
+
+        } catch (e) {
+
+        }
+    });
+};

lib/channel.js

@@ -1315,20 +1315,25 @@ Channel.prototype.calcVoteskipMax = function () {
     }, 0);
 };
 
-Channel.prototype.broadcastVoteskipUpdate = function() {
+Channel.prototype.getVoteskipPacket = function() {
     var amt = this.voteskip ? this.voteskip.counts[0] : 0;
     var count = this.calcVoteskipMax();
     var need = this.voteskip ? Math.ceil(count * this.opts.voteskip_ratio) : 0;
-    for(var i = 0; i < this.users.length; i++) {
+    return {
-        if(this.users[i].rank >= 1.5) {
-            this.users[i].socket.emit("voteskip", {
         count: amt,
         need: need
-            });
+    };
-        }
-    }
 }
 
+Channel.prototype.broadcastVoteskipUpdate = function () {
+    var pkt = this.getVoteskipPacket();
+    this.users.forEach(function (u) {
+        if (u.rank >= 1.5) {
+            u.socket.emit("voteskip", pkt);
+        }
+    });
+};
+
 Channel.prototype.broadcastMotd = function() {
     this.sendAll("setMotd", this.motd);
 }

lib/user.js

@@ -32,7 +32,8 @@ var User = function (socket) {
     this.name = "";
     this.meta = {
         afk: false,
-        icon: false
+        icon: false,
+        aliases: []
     };
     this.queueLimiter = $util.newRateLimiter();
     this.chatLimiter = $util.newRateLimiter();

lib/web/auth.js

@@ -67,7 +67,8 @@ function handleLoginPage(req, res) {
         }
     }
     sendJade(res, 'login', {
-        loggedIn: false
+        loggedIn: false,
+        redirect: req.header('Referrer')
     });
 }
 

templates/login.jade

@@ -12,13 +12,15 @@ html(lang="en")
           ul.nav.navbar-nav
             mixin navdefaultlinks("/login")
           if loggedIn
+            if redirect
+              mixin navlogoutform(redirect)
+            else
               mixin navlogoutform("/login")
       section#mainpage.container
         if wasAlreadyLoggedIn
           .col-lg-6.col-lg-offset-3.col-md-6.col-md-offset-3
             .alert.alert-info.messagebox.center
               h3(style="margin: 5px auto") Logged in as #{loginName}
-              // TODO Link to My Account page
         else if !loggedIn
           .col-lg-6.col-lg-offset-3.col-md-6.col-md-offset-3
             if loginError
@@ -27,6 +29,8 @@ html(lang="en")
                 p= loginError
             h2 Login
             form(role="form", action="/login", method="post")
+              if redirect
+                input(type="hidden", name="redirect", value=redirect)
               .form-group
                 label(for="username") Username
                 input#username.form-control(type="text", name="name")

templates/nav.jade

@@ -55,7 +55,7 @@ mixin navloginform(redirect)
 
 mixin navlogoutform(redirect)
   if redirect
-    - url = "/logout?redirect=#{redirect}"
+    - url = "/logout?redirect=" + redirect
   else
     - url = "/logout"
   p#logoutform.navbar-text.pull-right