View difference between Paste ID: 0Hmd1WMJ and

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+function oauth_session_exists() {
   if((is_array($_SESSION)) && (array_key_exists('oauth', $_SESSION))) {
     return TRUE;
   } else {
     return FALSE;
   }
 }
 
 try {
   // include the LinkedIn class
   require_once('linkedin_3.2.0.class.php');
 
   // start the session
   if(!session_start()) {
     throw new LinkedInException('This script requires session support, which appears to be disabled according to session_start().');
   }
 
   // display constants
   $API_CONFIG = array(
     'appKey'       => 'XXXXXXXXXXXX',
 	  'appSecret'    => 'XXXXXXXXXXXXXXX',
 	  'callbackUrl'  => NULL
   );
   define('DEMO_GROUP', 'Gautam');
   define('DEMO_GROUP_NAME', '3');
   define('PORT_HTTP', '80');
   define('PORT_HTTP_SSL', '443');
 
   // set index
   $_REQUEST[LINKEDIN::_GET_TYPE] = (isset($_REQUEST[LINKEDIN::_GET_TYPE])) ? $_REQUEST[LINKEDIN::_GET_TYPE] : '';
   switch($_REQUEST[LINKEDIN::_GET_TYPE]) {
     case 'initiate':
       /**
        * Handle user initiated LinkedIn connection, create the LinkedIn object.
        */
 
       // check for the correct http protocol (i.e. is this script being served via http or https)
       if($_SERVER['HTTPS'] == 'on') {
         $protocol = 'https';
       } else {
 
 
         $protocol = 'http';
       }
 
       // set the callback url
       $API_CONFIG['callbackUrl'] = $protocol . '://' . $_SERVER['SERVER_NAME'] . ((($_SERVER['SERVER_PORT'] != PORT_HTTP) || ($_SERVER['SERVER_PORT'] != PORT_HTTP_SSL)) ? ':' . $_SERVER['SERVER_PORT'] : '') . $_SERVER['PHP_SELF'] . '?' . LINKEDIN::_GET_TYPE . '=initiate&' . LINKEDIN::_GET_RESPONSE . '=1';
       $OBJ_linkedin = new LinkedIn($API_CONFIG);
 
       // check for response from LinkedIn
       $_GET[LINKEDIN::_GET_RESPONSE] = (isset($_GET[LINKEDIN::_GET_RESPONSE])) ? $_GET[LINKEDIN::_GET_RESPONSE] : '';
       if(!$_GET[LINKEDIN::_GET_RESPONSE]) {
         // LinkedIn hasn't sent us a response, the user is initiating the connection
 
         // send a request for a LinkedIn access token
         $response = $OBJ_linkedin->retrieveTokenRequest();
         if($response['success'] === TRUE) {
           // store the request token
           $_SESSION['oauth']['linkedin']['request'] = $response['linkedin'];
 
           // redirect the user to the LinkedIn authentication/authorisation page to initiate validation.
           header('Location: ' . LINKEDIN::_URL_AUTH . $response['linkedin']['oauth_token']);
         } else {
           // bad token request
           echo "Request token retrieval failed:<br /><br />RESPONSE:<br /><br /><pre>" . print_r($response, TRUE) . "</pre><br /><br />LINKEDIN OBJ:<br /><br /><pre>" . print_r($OBJ_linkedin, TRUE) . "</pre>";
         }
       } else {
         // LinkedIn has sent a response, user has granted permission, take the temp access token, the user's secret and the verifier to request the user's real secret key
         $response = $OBJ_linkedin->retrieveTokenAccess($_SESSION['oauth']['linkedin']['request']['oauth_token'], $_SESSION['oauth']['linkedin']['request']['oauth_token_secret'], $_GET['oauth_verifier']);
         if($response['success'] === TRUE) {
           // the request went through without an error, gather user's 'access' tokens
           $_SESSION['oauth']['linkedin']['access'] = $response['linkedin'];
 
           // set the user as authorized for future quick reference
           $_SESSION['oauth']['linkedin']['authorized'] = TRUE;
 
           // redirect the user back to the demo page
           header('Location: ' . $_SERVER['PHP_SELF']);
         } else {
           // bad token access
           echo "Access token retrieval failed:<br /><br />RESPONSE:<br /><br /><pre>" . print_r($response, TRUE) . "</pre><br /><br />LINKEDIN OBJ:<br /><br /><pre>" . print_r($OBJ_linkedin, TRUE) . "</pre>";
         }
       }
       break;
 
     case 'revoke':
       /**
        * Handle authorization revocation.
        */
 
       // check the session
       if(!oauth_session_exists()) {
         throw new LinkedInException('This script requires session support, which doesn\'t appear to be working correctly.');
       }
 
       $OBJ_linkedin = new LinkedIn($API_CONFIG);
       $OBJ_linkedin->setTokenAccess($_SESSION['oauth']['linkedin']['access']);
       $response = $OBJ_linkedin->revoke();
       if($response['success'] === TRUE) {
         // revocation successful, clear session
         session_unset();
         $_SESSION = array();
         if(session_destroy()) {
           // session destroyed
           header('Location: ' . $_SERVER['PHP_SELF']);
         } else {
           // session not destroyed
           echo "Error clearing user's session";
         }
       } else {
         // revocation failed
         echo "Error revoking user's token:<br /><br />RESPONSE:<br /><br /><pre>" . print_r($response, TRUE) . "</pre><br /><br />LINKEDIN OBJ:<br /><br /><pre>" . print_r($OBJ_linkedin, TRUE) . "</pre>";
       }
       break;
     default:
       // nothing being passed back, display demo page
 
       // check PHP version
       if(version_compare(PHP_VERSION, '5.0.0', '<')) {
         throw new LinkedInException('You must be running version 5.x or greater of PHP to use this library.');
       }
 
       // check for cURL
       if(extension_loaded('curl')) {
         $curl_version = curl_version();
         $curl_version = $curl_version['version'];
       } else {
         throw new LinkedInException('You must load the cURL extension to use this library.');
       }
       ?>
       <!DOCTYPE html>
       <html lang="en">
         <head>
           <title>Simple-LinkedIn Demo</title>
 
           <meta charset="utf-8" />
           <meta name="viewport" content="width=device-width" />
           <meta name="description" content="A demonstration page for the Simple-LinkedIn PHP class." />
           <meta name="keywords" content="simple-linkedin,php,linkedin,api,class,library" />
 
           <style>
             body {font-family: Courier, monospace; font-size: 0.8em;}
             footer {margin-top: 2em; text-align: center;}
             pre {font-family: Courier, monospace; font-size: 0.8em;}
           </style>
         </head>
         <body>
           <h1><a href="<?php echo $_SERVER['PHP_SELF'];?>">Simple-LinkedIn Demo</a></h1>
 
           <p>Copyright 2010 - 2011, Paul Mennega, fiftyMission Inc. &lt;paul@fiftymission.net&gt;</p>
 
           <p>Released under the MIT License - http://www.opensource.org/licenses/mit-license.php</p>
 
           <p>Full source code for both the Simple-LinkedIn class and this demo script can be found at:</p>
 
           <ul>
             <li><a href="http://code.google.com/p/simple-linkedinphp/">http://code.google.com/p/simple-linkedinphp/</a></li>
           </ul>
 
           <hr />
 
           <p style="font-weight: bold;">Demo using: Simple-LinkedIn v<?php echo LINKEDIN::_VERSION;?>, cURL v<?php echo $curl_version;?>, PHP v<?php echo phpversion();?></p>
 
           <ul>
             <li>Please note: The Simple-LinkedIn class requires PHP 5+</li>
           </ul>
 
           <hr />
 
           <?php
           $_SESSION['oauth']['linkedin']['authorized'] = (isset($_SESSION['oauth']['linkedin']['authorized'])) ? $_SESSION['oauth']['linkedin']['authorized'] : FALSE;
           if($_SESSION['oauth']['linkedin']['authorized'] === TRUE) {
             $OBJ_linkedin = new LinkedIn($API_CONFIG);
             $OBJ_linkedin->setTokenAccess($_SESSION['oauth']['linkedin']['access']);
           	$OBJ_linkedin->setResponseFormat(LINKEDIN::_RESPONSE_XML);
             ?>
             <ul>
               <li><a href="#manage">Manage LinkedIn Authorization</a></li>
               <li><a href="#application">Application Information</a></li>
               <li><a href="#profile">Your Profile</a></li>
               <li><a href="demo/network.php">Your Network</a>
                 <ul>
                   <li><a href="demo/network.php#networkStats">Stats</a></li>
                   <li><a href="demo/network.php#networkConnections">Your Connections</a></li>
                   <li><a href="demo/network.php#networkInvite">Invite Others to Join your LinkedIn Network</a></li>
                   <li><a href="demo/network.php#networkUpdates">Recent Connection Updates</a></li>
               	  <li><a href="demo/network.php#peopleSearch">People Search</a></li>
                 </ul>
               </li>
               <li><a href="demo/company.php">Company API</a>
                 <ul>
                   <li><a href="demo/company.php#companySpecific">Specific Company</a></li>
                   <li><a href="demo/company.php#companyFollowed">Followed Companies</a></li>
                   <li><a href="demo/company.php#companySuggested">Suggested Companies</a></li>
                   <li><a href="demo/company.php#companySearch">Company Search</a></li>
                 </ul>
               </li>
               <li><a href="demo/jobs.php">Jobs API</a>
                 <ul>
                   <li><a href="demo/jobs.php#jobsBookmarked">Bookmarked Jobs</a></li>
                   <li><a href="demo/jobs.php#jobsSuggested">Suggested Jobs</a></li>
                   <li><a href="demo/jobs.php#jobsSearch">Jobs Search</a></li>
                 </ul>
               </li>
               <li><a href="demo/content.php">Creating / Sharing Content</a>
                 <ul>
                   <li><a href="demo/content.php#contentUpdate">Post Network Update</a></li>
                   <li><a href="demo/content.php#contentShare">Post Share</a></li>
                 </ul>
               </li>
               <?php
 
             	// check if the viewer is a member of the test group
             	$response = $OBJ_linkedin->group(DEMO_GROUP, ':(relation-to-viewer:(membership-state))');
               if($response['success'] === TRUE) {
           		  $result         = new SimpleXMLElement($response['linkedin']);
           		  $membership     = $result->{'relation-to-viewer'}->{'membership-state'}->code;
           		  $in_demo_group  = (($membership == 'non-member') || ($membership == 'blocked')) ? FALSE : TRUE;
 	              ?>
 	            	<li><a href="demo/groups.php">Groups API</a>
 	                <ul>
 	                  <li><a href="demo/groups.php#groupsSuggested">Suggested Groups</a></li>
 	                  <li><a href="demo/groups.php#groupMemberships">Group Memberships</a></li>
 	                  <li><a href="demo/groups.php#manageGroup">Manage '<?php echo DEMO_GROUP_NAME;?>' Group Membership</a></li>
 	                  <?php
 	                  if($in_demo_group) {
 	                    ?>
 		                  <li><a href="demo/groups.php#groupSettings">Group Settings</a></li>
 		                  <li><a href="demo/groups.php#groupPosts">Group Posts</a></li>
 		                  <li><a href="demo/groups.php#createPost">Create a Group Post</a></li>
 			                <?php
 		                }
 		                ?>
 		              </ul>
 		            </li>
 		            <?php
 			  		  } else {
 			  		    // request failed
           			echo "Error retrieving group membership information: <br /><br />RESPONSE:<br /><br /><pre>" . print_r ($response, TRUE) . "</pre>";
 			  		  }
 		          ?>
             </ul>
             <?php
           } else {
             ?>
             <ul>
               <li><a href="#manage">Manage LinkedIn Authorization</a></li>
             </ul>
             <?php
           }
           ?>
 
           <hr />
 
           <h2 id="manage">Manage LinkedIn Authorization:</h2>
           <?php
           if($_SESSION['oauth']['linkedin']['authorized'] === TRUE) {
             // user is already connected
             ?>
             <form id="linkedin_revoke_form" action="<?php echo $_SERVER['PHP_SELF'];?>" method="get">
               <input type="hidden" name="<?php echo LINKEDIN::_GET_TYPE;?>" id="<?php echo LINKEDIN::_GET_TYPE;?>" value="revoke" />
               <input type="submit" value="Revoke Authorization" />
             </form>
 
             <hr />
 
             <h2 id="application">Application Information:</h2>
 
             <ul>
               <li>Application Key:
                 <ul>
                   <li><?php echo $OBJ_linkedin->getApplicationKey();?></li>
                 </ul>
               </li>
             </ul>
 
             <hr />
 
             <h2 id="profile">Your Profile:</h2>
 
             <?php
             $response = $OBJ_linkedin->profile('~:(id,first-name,last-name,picture-url)');
             if($response['success'] === TRUE) {
               $response['linkedin'] = new SimpleXMLElement($response['linkedin']);
               echo "<pre>" . print_r($response['linkedin'], TRUE) . "</pre>";
             } else {
               // request failed
               echo "Error retrieving profile information:<br /><br />RESPONSE:<br /><br /><pre>" . print_r($response) . "</pre>";
             }
           } else {
             // user isn't connected
             ?>
             <form id="linkedin_connect_form" action="<?php echo $_SERVER['PHP_SELF'];?>" method="get">
               <input type="hidden" name="<?php echo LINKEDIN::_GET_TYPE;?>" id="<?php echo LINKEDIN::_GET_TYPE;?>" value="initiate" />
               <input type="submit" value="Connect to LinkedIn" />
             </form>
             <?php
           }
           ?>
           <footer>
             <div>Copyright 2010 - 2011, fiftyMission Inc. (Paul Mennega &lt;<a href="mailto:paul@fiftymission.net">paul@fiftymission.net</a>&gt;)</div>
             <div>Released under the MIT License - <a href="http://www.opensource.org/licenses/mit-license.php">http://www.opensource.org/licenses/mit-license.php</a></div>
           </footer>
         </body>
       </html>
       <?php
       break;
   }
 } catch(LinkedInException $e) {
   // exception raised by library call
   echo $e->getMessage();
 }
 ?>