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POCodeIgniter, Facebook and Sessions. Getting lots of oAuth Access Token Errors
 

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  1. POCodeIgniter, Facebook and Sessions. Getting lots of oAuth Access Token Errors
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    <p>I've been using CodeIgniter for a couple of years. I don't make things too complex, basically, I do this in my controller's constructor:</p> <pre><code>$conf = array ( 'appId' =&gt; 'MY APP ID', 'secret' =&gt; 'MY SECRET KEY'); $facebook = $this-&gt;load-&gt;library('facebook/facebook',$conf); </code></pre> <p>And then, to log the user in, I use the same method on the <a href="https://github.com/facebook/facebook-php-sdk/blob/master/examples/example.php" rel="nofollow">example.php</a> provided by facebook (get user ID, try catch making an API call). <strong>Everything on my controller's constructor</strong>.</p> <p>In the couple of years of using this methodology, everything has worked ok, until now. Last week I coded an app writing basically the same code in every app I've done in the past, the problem is I'm getting A LOT of oAuth Access Token errors, to be precise, I'm getting a message saying that the access token has expired and I need a new one to query the facebook API.</p> <p>So, I know I'm not giving much information about my code, but what I like to discuss is the methodology and not the code itself:</p> <p><strong>How do you handle facebook login in your app?</strong> Do you think the way I'm doing it is OK or I have to do it in a method and not in the constructor? Do I have to save the access token in the database so I can use the same access token when the user come back to the app?</p> <p>It would be great if you have an example with codeigniter.</p> <p><strong>Thank you very much in advance!</strong></p> <p>P.s: I'm autoloading CI sessions library, using the <a href="https://developers.facebook.com/docs/reference/javascript/" rel="nofollow">channel.php file with an expire date of a year</a> and using p3p headers so browsers do accept cookies. I really don't know what I'm missing. P.s2:"I've read a lot of related questions here in stackoverflow, I've tried some advices I've read here, but I get the same result.</p>
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