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PORewrite URL crashes facebook sdk for php
 

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  1. PORewrite URL crashes facebook sdk for php
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    <p>I have this scenario. On a MVC web app we are rewriting the url:</p> <pre><code>RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-l RewriteRule ^(.+)$ index.php?url=$1 [QSA,L] </code></pre> <p>So the url might be:</p> <pre><code>http://mysite.com/ControllerName/MethodName/Param1/Param2....... </code></pre> <p>Now we need to implement a facebook login on the app. We simply copy and paste the code from the sdk page on git</p> <pre><code>require 'facebook-php-sdk/src/facebook.php'; $facebook = new Facebook(array( 'appId' =&gt; 'YOUR_APP_ID', 'secret' =&gt; 'YOUR_APP_SECRET', )); // Get User ID $user = $facebook-&gt;getUser(); if ($user) { try { // Proceed knowing you have a logged in user who's authenticated. $user_profile = $facebook-&gt;api('/me'); } catch (FacebookApiException $e) { error_log($e); $user = null; } } if ($user) { $logoutUrl = $facebook-&gt;getLogoutUrl(); } else { $loginUrl = $facebook-&gt;getLoginUrl(); } </code></pre> <p>Done this, the <code>$user</code> is always 0, because facebook returns to the 'redirect_uri' with <code>?key=parm</code> where the user information is located.</p> <p>The actual URL redirected to by Facebook look like:</p> <pre><code>http://localhost/tesis/?state=6713ce83f25b296abd372ccad20a244d&amp;code=AQA6xxwPiiQt06luKaDD84dFxIXPuhO41RlCQcnV5K2ZtVjyKvZ3A7uqqOQlEX4To_CoT8nEmUjzS2YOVsdhU5CE3I_jfK2LsmkpLsty91-EeipIIvFQLqe6VFB_OHYcj_J0-jdhXfAdYFQ2jsA6Hejnw8bF1ezWtEaZCNnqgc_mQWhovkV8XmFzLFGsqjr52bq2b0wR8Au3ZOSvJUnperaT#_=_ </code></pre> <p>So I suppose I need to make some modifications on the htaccess. But I don't know what changes I need to do</p>
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    1. COWhat does the actual URL redirected to by Facebook look like, and what does it look like internally after your rewriting? Following the server-side Auth flow, the SDK will be looking for the `state` and `code` parameter – so these have to be passed as GET parameters in the query string for the SDK to find them inside of $_REQUEST as expected. If your rewriting translates those into path components, the SDK will not recognize them. (In that case, you could still set them in $_REQUEST yourself before initializing the SDK.)
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    2. CO@CBroe I have updated the question
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