Module and API function to check nickserv authentication. [#421]

modules/nickserv/config.json

@@ -0,0 +1,9 @@
+{
+    "servers": {
+        "nc": {
+            "matcher": "STATUS ([^ ]+) (\\d)$",
+            "acceptableState": 3,
+            "infoCommand": "status"
+        }
+    }
+}

modules/nickserv/nickserv.js

@@ -0,0 +1,37 @@
+var nickserv = function(dbot) {
+    this.authStack = {};
+
+    this.api = {
+        'auth': function(server, nick, callback) {
+            var nickserv = dbot.config.servers[server].nickserv,
+                infoCommand = this.config.servers[server].infoCommand;
+
+            if(!_.has(this.authStack, server)) this.authStack[server] = {};
+            this.authStack[server][nick] = callback;
+
+            dbot.say(server, nickserv, infoCommand + ' ' + nick);
+        }
+    };
+
+    this.listener = function(event) {
+        var nickserv = dbot.config.servers[event.server].nickserv,
+            statusRegex = this.config.servers[event.server].matcher,
+            acceptableState = this.config.servers[event.server].acceptableState;
+
+        if(event.user == nickserv) {
+            var info = event.params.match(statusRegex);
+            if(info && _.has(this.authStack, event.server)) {
+                if(info[2] == acceptableState ) {
+                    this.authStack[event.server][info[1]](true);
+                } else {
+                    this.authStack[event.server][info[1]](false);
+                }
+            }
+        }
+    }.bind(this);
+    this.on = 'NOTICE';
+};
+
+exports.fetch = function(dbot) {
+    return new nickserv(dbot);
+};