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                  <h1>app.js</h1>
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              <p>Get config from enviroment vars</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> PORT = process.env.PORT || <span class="hljs-number">3000</span>;
<span class="hljs-keyword">var</span> URI = process.env.URI || <span class="hljs-string">"localhost"</span>;
<span class="hljs-keyword">var</span> KEY_SIZE = process.env.KEY_SIZE || <span class="hljs-number">2048</span>;
<span class="hljs-keyword">var</span> MONGODB_URL = process.env.MONGODB_URL || <span class="hljs-string">'localhost:27017/opensecurechat'</span>;
<span class="hljs-keyword">var</span> REDIS_URL = process.env.REDIS_URL || <span class="hljs-literal">null</span>;</pre></div></div>
            
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              <p>Parse redis URL</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> url = <span class="hljs-built_in">require</span>(<span class="hljs-string">'url'</span>);</pre></div></div>
            
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              <p>Libs for MongoDB</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> mongo = <span class="hljs-built_in">require</span>(<span class="hljs-string">'mongodb'</span>);
<span class="hljs-keyword">var</span> monk = <span class="hljs-built_in">require</span>(<span class="hljs-string">'monk'</span>);</pre></div></div>
            
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              <p>Libs for RedisDB</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> redis = <span class="hljs-built_in">require</span>(<span class="hljs-string">"redis"</span>);</pre></div></div>
            
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              <p>Libs for HTTP Server (Web)</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> express = <span class="hljs-built_in">require</span>(<span class="hljs-string">'express'</span>);
<span class="hljs-keyword">var</span> app = express();
<span class="hljs-keyword">var</span> http = <span class="hljs-built_in">require</span>(<span class="hljs-string">'http'</span>).Server(app);</pre></div></div>
            
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              <p>JSON Parser</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> bodyParser = <span class="hljs-built_in">require</span>(<span class="hljs-string">'body-parser'</span>)</pre></div></div>
            
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              <p>Libs for SocketIO (using the http server)</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> io = <span class="hljs-built_in">require</span>(<span class="hljs-string">'socket.io'</span>)(http);</pre></div></div>
            
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              <p>Initialize dbmongo</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> dbmongo = monk(MONGODB_URL);
<span class="hljs-keyword">var</span> dbredis = <span class="hljs-literal">null</span>;</pre></div></div>
            
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              <p>Initialize redis</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">if</span>(REDIS_URL)
{
    <span class="hljs-keyword">var</span> redisURL = url.parse(REDIS_URL);
    dbredis = redis.createClient(redisURL.port, redisURL.hostname, {no_ready_check: <span class="hljs-literal">true</span>, auth_pass: redisURL.auth.split(<span class="hljs-string">":"</span>)[<span class="hljs-number">1</span>]});

}
<span class="hljs-keyword">else</span>
{
    dbredis = redis.createClient();
}</pre></div></div>
            
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              <p>Get DB</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> usersdb = dbmongo.get(<span class="hljs-string">"users"</span>);</pre></div></div>
            
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              <p>Import my libraries</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> UserLib = <span class="hljs-built_in">require</span>(<span class="hljs-string">'./lib/User.js'</span>).UserController;
<span class="hljs-keyword">var</span> ChatLib = <span class="hljs-built_in">require</span>(<span class="hljs-string">'./lib/Chat.js'</span>).ChatController;</pre></div></div>
            
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              <p>Create controllers</p>

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            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">var</span> User = <span class="hljs-keyword">new</span> UserLib(usersdb, dbredis);
<span class="hljs-keyword">var</span> Chat = <span class="hljs-keyword">new</span> ChatLib(dbredis);</pre></div></div>
            
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              <p>Prepare DB Indexes</p>

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            <div class="content"><div class='highlight'><pre>User.prepareIndexes();</pre></div></div>
            
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              <p>Initialize HTTP Server</p>

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            <div class="content"><div class='highlight'><pre>app.use(express.static(<span class="hljs-string">'public_html'</span>));
app.use( bodyParser.json() );</pre></div></div>
            
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              <p>Listen on port</p>

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            <div class="content"><div class='highlight'><pre>http.listen(PORT, <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params"></span>)</span>{
    <span class="hljs-built_in">console</span>.log(<span class="hljs-string">'listening on *:'</span>+ PORT);
});

app.get(<span class="hljs-string">"/api/config"</span>, <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">req, res</span>)</span>{
    p = PORT;
    <span class="hljs-keyword">if</span>(URI.indexOf(<span class="hljs-string">"heroku"</span>)&gt;=<span class="hljs-number">0</span>)
    {
        p = <span class="hljs-number">80</span>;
    }

    <span class="hljs-keyword">var</span> url = <span class="hljs-string">"http://"</span> + URI + <span class="hljs-string">":"</span> + p + <span class="hljs-string">"/"</span>;

    res.end(<span class="hljs-string">'{"SOCKETIO_URL":"'</span>+url+<span class="hljs-string">'", "KEY_SIZE":"'</span>+KEY_SIZE+<span class="hljs-string">'"}'</span>);
});</pre></div></div>
            
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              <p>SocketIO Events</p>

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            <div class="content"><div class='highlight'><pre>io.on(<span class="hljs-string">'connection'</span>, <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">socket</span>) </span>{
    socket.on(<span class="hljs-string">'register'</span>, <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">data, cb</span>)</span>{</pre></div></div>
            
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              <p>console.log(data);</p>

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            <div class="content"><div class='highlight'><pre>        User.add(data, cb);
    });

    socket.on(<span class="hljs-string">'login'</span>, <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">password, cb</span>)</span>{</pre></div></div>
            
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              <p>console.log(password);</p>

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            <div class="content"><div class='highlight'><pre>        User.getByPassword(password, <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">err, data</span>)</span>{
            <span class="hljs-keyword">if</span>(data.length &lt;= <span class="hljs-number">0</span>)
            {
                <span class="hljs-keyword">return</span> cb(<span class="hljs-string">"Not Found"</span>, <span class="hljs-literal">null</span>);
            }
            cb(<span class="hljs-literal">null</span>, data[<span class="hljs-number">0</span>]);
        });
    });
});</pre></div></div>
            
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