alfresco

// Congratulations! You have a valid token. Now fetch your profile
$user = fetch('GET', '/v1/people/~:(firstName,lastName)');
print "Hello $user->firstName $user->lastName.";
exit;

function getAuthorizationCode() {
$params = array(
'response_type' => 'code',
'client_id' => API_KEY,
'scope' => SCOPE,
'state' => uniqid('', true), // unique long string
'redirect_uri' => REDIRECT_URI,
);

// Authentication request
$url = 'https://www.linkedin.com/uas/oauth2/authorization?' . http_build_query($params);

// Needed to identify request when it returns to us
$_SESSION['state'] = $params['state'];

// Redirect user to authenticate
header("Location: $url");
exit;
}

function getAccessToken() {
$params = array(
'grant_type' => 'authorization_code',
'client_id' => API_KEY,
'client_secret' => API_SECRET,
'code' => $_GET['code'],
'redirect_uri' => REDIRECT_URI,
);

// Access Token request
$url = 'https://www.linkedin.com/uas/oauth2/accessToken?' . http_build_query($params);

// Tell streams to make a POST request
$context = stream_context_create(
array('http' =>
array('method' => 'POST',
)
)
);

// Retrieve access token information
$response = file_get_contents($url, false, $context);

// Native PHP object, please
$token = json_decode($response);

// Store access token and expiration time
$_SESSION['access_token'] = $token->access_token; // guard this!
$_SESSION['expires_in'] = $token->expires_in; // relative time (in seconds)
$_SESSION['expires_at'] = time() + $_SESSION['expires_in']; // absolute time

return true;
}

function fetch($method, $resource, $body = '') {
print $_SESSION['access_token'];

$opts = array(
'http'=>array(
'method' => $method,
'header' => "Authorization: Bearer " . $_SESSION['access_token'] . "\r\n" . "x-li-format: json\r\n"
)
);

// Need to use HTTPS
$url = 'https://api.linkedin.com' . $resource;

// Append query parameters (if there are any)
if (count($params)) { $url .= '?' . http_build_query($params); }

// Tell streams to make a (GET, POST, PUT, or DELETE) request
// And use OAuth 2 access token as Authorization
$context = stream_context_create($opts);

// Hocus Pocus
$response = file_get_contents($url, false, $context);