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| 1 | <?php | |
| 2 | // Change these | |
| 3 | define('API_KEY', 'YOUR_API_KEY_HERE' );
| |
| 4 | define('API_SECRET', 'YOUR_API_SECRET_HERE' );
| |
| 5 | define('REDIRECT_URI', 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['SCRIPT_NAME']);
| |
| 6 | - | define('SCOPE', 'r_fullprofile r_emailaddress rw_nus'
|
| 6 | + | define('SCOPE', 'r_fullprofile r_emailaddress rw_nus' );
|
| 7 | ||
| 8 | // You'll probably use a database | |
| 9 | session_name('linkedin');
| |
| 10 | session_start(); | |
| 11 | ||
| 12 | // OAuth 2 Control Flow | |
| 13 | if (isset($_GET['error'])) {
| |
| 14 | // LinkedIn returned an error | |
| 15 | print $_GET['error'] . ': ' . $_GET['error_description']; | |
| 16 | exit; | |
| 17 | } elseif (isset($_GET['code'])) {
| |
| 18 | // User authorized your application | |
| 19 | if ($_SESSION['state'] == $_GET['state']) {
| |
| 20 | // Get token so you can make API calls | |
| 21 | getAccessToken(); | |
| 22 | } else {
| |
| 23 | // CSRF attack? Or did you mix up your states? | |
| 24 | exit; | |
| 25 | } | |
| 26 | } else {
| |
| 27 | if ((empty($_SESSION['expires_at'])) || (time() > $_SESSION['expires_at'])) {
| |
| 28 | // Token has expired, clear the state | |
| 29 | $_SESSION = array(); | |
| 30 | } | |
| 31 | if (empty($_SESSION['access_token'])) {
| |
| 32 | // Start authorization process | |
| 33 | getAuthorizationCode(); | |
| 34 | } | |
| 35 | } | |
| 36 | ||
| 37 | // Congratulations! You have a valid token. Now fetch your profile | |
| 38 | - | $user = fetch('GET', '/v1/people/~:(certifications:(authority:(name),name,number,start-date,end-date),patents:(title,summary,inventors:(person),date,office:(name),number),languages:(language:(name),proficiency:(name)),num-recommenders,recommendations-received,main-address,summary,date-of-birth,interests,id,first-name,last-name,headline,picture-url,email-address,location:(name),industry,positions,skills,volunteer,educations,publications:(authors:(name),title,date,url,summary,publisher:(name)),phone-numbers)');
|
| 38 | + | $user = fetch('GET', '/v1/people/~:(network,honors-awards,certifications:(authority:(name),name,number,start-date,end-date),patents:(title,summary,inventors:(person),date,office:(name),number),languages:(language:(name),proficiency:(name)),num-recommenders,recommendations-received,main-address,summary,date-of-birth,interests,id,first-name,last-name,headline,picture-url,email-address,location:(name),industry,positions,skills,volunteer,educations,publications:(authors:(name),title,date,url,summary,publisher:(name)),phone-numbers)');
|
| 39 | print "Hello $user->firstName $user->lastName."; | |
| 40 | echo "<pre>";var_dump($user); | |
| 41 | echo "</pre>"; | |
| 42 | exit; | |
| 43 | ||
| 44 | function getAuthorizationCode() {
| |
| 45 | $params = array('response_type' => 'code',
| |
| 46 | 'client_id' => API_KEY, | |
| 47 | 'scope' => SCOPE, | |
| 48 | 'state' => uniqid('', true), // unique long string
| |
| 49 | 'redirect_uri' => REDIRECT_URI, | |
| 50 | ); | |
| 51 | ||
| 52 | // Authentication request | |
| 53 | $url = 'https://www.linkedin.com/uas/oauth2/authorization?' . http_build_query($params); | |
| 54 | ||
| 55 | // Needed to identify request when it returns to us | |
| 56 | $_SESSION['state'] = $params['state']; | |
| 57 | ||
| 58 | // Redirect user to authenticate | |
| 59 | header("Location: $url");
| |
| 60 | exit; | |
| 61 | } | |
| 62 | ||
| 63 | function getAccessToken() {
| |
| 64 | $params = array('grant_type' => 'authorization_code',
| |
| 65 | 'client_id' => API_KEY, | |
| 66 | 'client_secret' => API_SECRET, | |
| 67 | 'code' => $_GET['code'], | |
| 68 | 'redirect_uri' => REDIRECT_URI, | |
| 69 | ); | |
| 70 | ||
| 71 | // Access Token request | |
| 72 | $url = 'https://www.linkedin.com/uas/oauth2/accessToken?' . http_build_query($params); | |
| 73 | ||
| 74 | // Tell streams to make a POST request | |
| 75 | $context = stream_context_create( | |
| 76 | array('http' =>
| |
| 77 | array('method' => 'POST',
| |
| 78 | ) | |
| 79 | ) | |
| 80 | ); | |
| 81 | ||
| 82 | // Retrieve access token information | |
| 83 | $response = file_get_contents($url, false, $context); | |
| 84 | ||
| 85 | // Native PHP object, please | |
| 86 | $token = json_decode($response); | |
| 87 | ||
| 88 | // Store access token and expiration time | |
| 89 | $_SESSION['access_token'] = $token->access_token; // guard this! | |
| 90 | $_SESSION['expires_in'] = $token->expires_in; // relative time (in seconds) | |
| 91 | $_SESSION['expires_at'] = time() + $_SESSION['expires_in']; // absolute time | |
| 92 | ||
| 93 | return true; | |
| 94 | } | |
| 95 | ||
| 96 | function fetch($method, $resource, $body = '') {
| |
| 97 | $params = array('oauth2_access_token' => $_SESSION['access_token'],
| |
| 98 | 'format' => 'json', | |
| 99 | ); | |
| 100 | ||
| 101 | // Need to use HTTPS | |
| 102 | $url = 'https://api.linkedin.com' . $resource . '?' . http_build_query($params); | |
| 103 | // Tell streams to make a (GET, POST, PUT, or DELETE) request | |
| 104 | $context = stream_context_create( | |
| 105 | array('http' =>
| |
| 106 | array('method' => $method,
| |
| 107 | ) | |
| 108 | ) | |
| 109 | ); | |
| 110 | ||
| 111 | ||
| 112 | // Hocus Pocus | |
| 113 | $response = file_get_contents($url, false, $context); | |
| 114 | ||
| 115 | // Native PHP object, please | |
| 116 | return json_decode($response); | |
| 117 | } |