Check nickserv for user's ident status.

auth.js

@@ -0,0 +1,56 @@
+var events = require('events');
+var _ = require('underscore');
+
+
+this.AuthManager = function() {
+    this.neededLevel = 2;
+    this.STATUSRE = /^STATUS ([^ ]+) (\d)$/;
+    this.users = {};
+};
+
+this.AuthManager.prototype._user = function(nick) {
+    this.users[nick] = _.extend({}, {
+        auth: null,
+        emitter: new events.EventEmitter()
+    }, this.users[nick]);
+
+    return this.users[nick];
+};
+
+this.AuthManager.prototype.notice = function(nick, message) {
+    if (nick !== 'nickserv') {
+        return;
+    }
+    var match = this.STATUSRE.exec(message);
+    if (match) {
+        var user_nick = match[1];
+        var level = match[2];
+        var user = this._user(user_nick);
+
+        if (level >= this.neededLevel) {
+            user.auth = true;
+            user.emitter.emit('authorized');
+        } else {
+            user.auth = false;
+            user.emitter.emit('unauthorized');
+        }
+    }
+};
+
+this.AuthManager.prototype.checkUser = function(nick) {
+    var self = this;
+    var user = this._user(nick);
+    process.nextTick(function() {
+        if (user.auth) {
+            user.emitter.emit('authorized');
+        } else {
+            self._askNickserv(nick);
+        }
+    });
+    return user.emitter;
+}
+
+this.AuthManager.prototype._askNickserv = function(nick) {
+    var msg = 'status ' + nick;
+    client.say('nickserv', msg);
+}

standup-irc.js

@@ -6,6 +6,7 @@ var inireader = require('inireader');
 
 var utils = require('./utils');
 var api = require('./api');
+var auth = require('./auth');
 
 var options = nomnom.opts({
     config: {
@@ -59,13 +60,17 @@ logger = new (winston.Logger)({
     transports: transports
 });
 
+// Global authentication manager
+auth = new auth.AuthManager();
+
 // This regex matches valid IRC nicks.
 var NICK_RE = /[a-z_\-\[\]\\{}|`][a-z0-9_\-\[\]\\{}|`]*/;
 var TARGET_MSG_RE = new RegExp('^(?:(' + NICK_RE.source + ')[:,]\\s*)?(.*)$');
 
 /********** IRC Client **********/
 
-var client = new irc.Client(CONFIG.irc.host, CONFIG.irc.nick, {
+// Global client
+client = new irc.Client(CONFIG.irc.host, CONFIG.irc.nick, {
     channels: CONFIG.irc.channels
 });
 client.on('connect', function() {
@@ -125,6 +130,16 @@ client.on('message', function(user, channel, msg) {
     }
 });
 
+client.on('notice', function(from, to, text) {
+    if (from === undefined) {
+        from = '';
+    }
+    from = from.toLowerCase();
+    if (from === 'nickserv') {
+        auth.notice(from, text);
+    }
+});
+
 var commands = {
     /* Simple presence check. */
     ping: function(user, channel, message, args) {
@@ -159,10 +174,10 @@ var commands = {
             } else {
                 client.say(channel, "I'm a failure, I couldn't do it.");
             }
-            console.log(data);
         });
     },
 
+    /* Every bot loves botsnacks. */
     'botsnack': function(user, channel, message, args) {
         var responses = [
             'Yummy!',
@@ -175,6 +190,17 @@ var commands = {
         client.say(channel, responses[r]);
     },
 
+    /* Check a user's authorization status. */
+    'trust': function(user, channel, message, args) {
+        var a = auth.checkUser(args);
+        a.on('authorized', function() {
+            client.say(channel, 'I trust ' + args);
+        });
+        a.on('unauthorized', function() {
+            client.say(channel, "I don't trust " + args);
+        });
+    },
+
     /* The default action. Return an error. */
     'default': function(user, channel, message) {
         client.say(channel, user + ": Wait, what?");

utils.js

@@ -2,43 +2,6 @@ var _ = require('underscore');
 var http = require('http');
 var events = require('events');
 
-/* Find a user's canonical username based on `canonicalNicks`.
- *
- * If no configured user can be matched, return `ircNick` unmodified.
- */
-this.canonicalUsername = function(ircNick, canonicalNicks) {
-    var matches = [];
-    _.each(canonicalNicks, function(user) {
-        if (this.isPrefix(user, ircNick)) {
-            matches.push(user);
-        }
-    });
-    if (matches.length === 0) {
-        return ircNick;
-    }
-    // Sort by length.
-    matches.sort(function(a, b) {
-        return b.length - a.length;
-    });
-    // Grab the longest.
-    return matches[0];
-};
-
-
-// Check if `a` is a prefix of `b`.
-this.isPrefix = function(a, b) {
-    var i;
-    if (a.length > b.length) {
-        return false;
-    }
-    for (i = 0; i < a.length; i++) {
-        if (a.charAt(i) !== b.charAt(i)) {
-            return false;
-        }
-    }
-    return true;
-};
-
 
 function request(path, method, data, emitter) {
     if (data === undefined) {