Merge branch '3.2RC'3.2

53 files changed, 1960 insertions, 523 deletions

diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Autoloader.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Autoloader.php
index ecfb6ba75..4ec08cbdd 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Autoloader.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Autoloader.php
@@ -10,8 +10,14 @@ namespace OAuth2;
  */
 class Autoloader
 {
+    /**
+     * @var string
+     */
     private $dir;
 
+    /**
+     * @param string $dir
+     */
     public function __construct($dir = null)
     {
         if (is_null($dir)) {
@@ -19,6 +25,7 @@ class Autoloader
         }
         $this->dir = $dir;
     }
+
     /**
      * Registers OAuth2\Autoloader as an SPL autoloader.
      */
@@ -31,9 +38,8 @@ class Autoloader
     /**
      * Handles autoloading of classes.
      *
-     * @param string $class A class name.
-     *
-     * @return boolean Returns true if the class has been loaded
+     * @param string $class - A class name.
+     * @return boolean      - Returns true if the class has been loaded
      */
     public function autoload($class)
     {
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/ClientAssertionTypeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/ClientAssertionTypeInterface.php
index 29c7171b5..6a167da90 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/ClientAssertionTypeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/ClientAssertionTypeInterface.php
@@ -10,6 +10,19 @@ use OAuth2\ResponseInterface;
  */
 interface ClientAssertionTypeInterface
 {
+    /**
+     * Validate the OAuth request
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @return mixed
+     */
     public function validateRequest(RequestInterface $request, ResponseInterface $response);
+
+    /**
+     * Get the client id
+     *
+     * @return mixed
+     */
     public function getClientId();
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/HttpBasic.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/HttpBasic.php
index 0ecb7e18d..ef6120300 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/HttpBasic.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ClientAssertionType/HttpBasic.php
@@ -5,6 +5,7 @@ namespace OAuth2\ClientAssertionType;
 use OAuth2\Storage\ClientCredentialsInterface;
 use OAuth2\RequestInterface;
 use OAuth2\ResponseInterface;
+use LogicException;
 
 /**
  * Validate a client via Http Basic authentication
@@ -19,14 +20,16 @@ class HttpBasic implements ClientAssertionTypeInterface
     protected $config;
 
     /**
-     * @param OAuth2\Storage\ClientCredentialsInterface $clientStorage REQUIRED Storage class for retrieving client credentials information
-     * @param array                                     $config        OPTIONAL Configuration options for the server
-     *                                                                 <code>
-     *                                                                 $config = array(
-     *                                                                 'allow_credentials_in_request_body' => true, // whether to look for credentials in the POST body in addition to the Authorize HTTP Header
-     *                                                                 'allow_public_clients'  => true              // if true, "public clients" (clients without a secret) may be authenticated
-     *                                                                 );
-     *                                                                 </code>
+     * Config array $config should look as follows:
+     * @code
+     *     $config = array(
+     *         'allow_credentials_in_request_body' => true, // whether to look for credentials in the POST body in addition to the Authorize HTTP Header
+     *         'allow_public_clients'  => true              // if true, "public clients" (clients without a secret) may be authenticated
+     *     );
+     * @endcode
+     *
+     * @param ClientCredentialsInterface $storage Storage
+     * @param array                      $config  Configuration options for the server
      */
     public function __construct(ClientCredentialsInterface $storage, array $config = array())
     {
@@ -37,6 +40,14 @@ class HttpBasic implements ClientAssertionTypeInterface
         ), $config);
     }
 
+    /**
+     * Validate the OAuth request
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @return bool|mixed
+     * @throws LogicException
+     */
     public function validateRequest(RequestInterface $request, ResponseInterface $response)
     {
         if (!$clientData = $this->getClientCredentials($request, $response)) {
@@ -44,7 +55,7 @@ class HttpBasic implements ClientAssertionTypeInterface
         }
 
         if (!isset($clientData['client_id'])) {
-            throw new \LogicException('the clientData array must have "client_id" set');
+            throw new LogicException('the clientData array must have "client_id" set');
         }
 
         if (!isset($clientData['client_secret']) || $clientData['client_secret'] == '') {
@@ -70,6 +81,11 @@ class HttpBasic implements ClientAssertionTypeInterface
         return true;
     }
 
+    /**
+     * Get the client id
+     *
+     * @return mixed
+     */
     public function getClientId()
     {
         return $this->clientData['client_id'];
@@ -82,13 +98,14 @@ class HttpBasic implements ClientAssertionTypeInterface
      * According to the spec (draft 20), the client_id can be provided in
      * the Basic Authorization header (recommended) or via GET/POST.
      *
-     * @return
-     * A list containing the client identifier and password, for example
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @return array|null A list containing the client identifier and password, for example:
      * @code
-     * return array(
-     *     "client_id"     => CLIENT_ID,        // REQUIRED the client id
-     *     "client_secret" => CLIENT_SECRET,    // OPTIONAL the client secret (may be omitted for public clients)
-     * );
+     *     return array(
+     *         "client_id"     => CLIENT_ID,        // REQUIRED the client id
+     *         "client_secret" => CLIENT_SECRET,    // OPTIONAL the client secret (may be omitted for public clients)
+     *     );
      * @endcode
      *
      * @see http://tools.ietf.org/html/rfc6749#section-2.3.1
@@ -108,7 +125,6 @@ class HttpBasic implements ClientAssertionTypeInterface
                  * client_secret can be null if the client's password is an empty string
                  * @see http://tools.ietf.org/html/rfc6749#section-2.3.1
                  */
-
                 return array('client_id' => $request->request('client_id'), 'client_secret' => $request->request('client_secret'));
             }
         }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeController.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeController.php
index ea7f54a87..4bafb1d24 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeController.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeController.php
@@ -7,37 +7,76 @@ use OAuth2\ScopeInterface;
 use OAuth2\RequestInterface;
 use OAuth2\ResponseInterface;
 use OAuth2\Scope;
+use InvalidArgumentException;
 
 /**
- * @see OAuth2\Controller\AuthorizeControllerInterface
+ * @see AuthorizeControllerInterface
  */
 class AuthorizeController implements AuthorizeControllerInterface
 {
+    /**
+     * @var string
+     */
     private $scope;
+
+    /**
+     * @var int
+     */
     private $state;
+
+    /**
+     * @var mixed
+     */
     private $client_id;
+
+    /**
+     * @var string
+     */
     private $redirect_uri;
+
+    /**
+     * The response type
+     *
+     * @var string
+     */
     private $response_type;
 
+    /**
+     * @var ClientInterface
+     */
     protected $clientStorage;
+
+    /**
+     * @var array
+     */
     protected $responseTypes;
+
+    /**
+     * @var array
+     */
     protected $config;
+
+    /**
+     * @var ScopeInterface
+     */
     protected $scopeUtil;
 
     /**
-     * @param OAuth2\Storage\ClientInterface $clientStorage REQUIRED Instance of OAuth2\Storage\ClientInterface to retrieve client information
-     * @param array                          $responseTypes OPTIONAL Array of OAuth2\ResponseType\ResponseTypeInterface objects.  Valid array
-     *                                                      keys are "code" and "token"
-     * @param array                          $config        OPTIONAL Configuration options for the server
-     *                                                      <code>
-     *                                                      $config = array(
-     *                                                      'allow_implicit' => false,            // if the controller should allow the "implicit" grant type
-     *                                                      'enforce_state'  => true              // if the controller should require the "state" parameter
-     *                                                      'require_exact_redirect_uri' => true, // if the controller should require an exact match on the "redirect_uri" parameter
-     *                                                      'redirect_status_code' => 302,        // HTTP status code to use for redirect responses
-     *                                                      );
-     *                                                      </code>
-     * @param OAuth2\ScopeInterface          $scopeUtil     OPTIONAL Instance of OAuth2\ScopeInterface to validate the requested scope
+     * Constructor
+     *
+     * @param ClientInterface $clientStorage REQUIRED Instance of OAuth2\Storage\ClientInterface to retrieve client information
+     * @param array           $responseTypes OPTIONAL Array of OAuth2\ResponseType\ResponseTypeInterface objects.  Valid array
+     *                                       keys are "code" and "token"
+     * @param array           $config        OPTIONAL Configuration options for the server:
+     * @param ScopeInterface  $scopeUtil     OPTIONAL Instance of OAuth2\ScopeInterface to validate the requested scope
+     * @code
+     *     $config = array(
+     *         'allow_implicit' => false,            // if the controller should allow the "implicit" grant type
+     *         'enforce_state'  => true              // if the controller should require the "state" parameter
+     *         'require_exact_redirect_uri' => true, // if the controller should require an exact match on the "redirect_uri" parameter
+     *         'redirect_status_code' => 302,        // HTTP status code to use for redirect responses
+     *     );
+     * @endcode
      */
     public function __construct(ClientInterface $clientStorage, array $responseTypes = array(), array $config = array(), ScopeInterface $scopeUtil = null)
     {
@@ -56,10 +95,20 @@ class AuthorizeController implements AuthorizeControllerInterface
         $this->scopeUtil = $scopeUtil;
     }
 
+    /**
+     * Handle the authorization request
+     *
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @param boolean           $is_authorized
+     * @param mixed             $user_id
+     * @return mixed|void
+     * @throws InvalidArgumentException
+     */
     public function handleAuthorizeRequest(RequestInterface $request, ResponseInterface $response, $is_authorized, $user_id = null)
     {
         if (!is_bool($is_authorized)) {
-            throw new \InvalidArgumentException('Argument "is_authorized" must be a boolean.  This method must know if the user has granted access to the client.');
+            throw new InvalidArgumentException('Argument "is_authorized" must be a boolean.  This method must know if the user has granted access to the client.');
         }
 
         // We repeat this, because we need to re-validate. The request could be POSTed
@@ -101,6 +150,14 @@ class AuthorizeController implements AuthorizeControllerInterface
         $response->setRedirect($this->config['redirect_status_code'], $uri);
     }
 
+    /**
+     * Set not authorized response
+     *
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @param string            $redirect_uri
+     * @param mixed             $user_id
+     */
     protected function setNotAuthorizedResponse(RequestInterface $request, ResponseInterface $response, $redirect_uri, $user_id = null)
     {
         $error = 'access_denied';
@@ -108,9 +165,16 @@ class AuthorizeController implements AuthorizeControllerInterface
         $response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $this->state, $error, $error_message);
     }
 
-    /*
+    /**
      * We have made this protected so this class can be extended to add/modify
      * these parameters
+     *
+     * @TODO: add dependency injection for the parameters in this method
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @param mixed $user_id
+     * @return array
      */
     protected function buildAuthorizeParameters($request, $response, $user_id)
     {
@@ -127,6 +191,8 @@ class AuthorizeController implements AuthorizeControllerInterface
     }
 
     /**
+     * Validate the OAuth request
+     *
      * @param RequestInterface $request
      * @param ResponseInterface $response
      * @return bool
@@ -186,7 +252,7 @@ class AuthorizeController implements AuthorizeControllerInterface
             $redirect_uri = $registered_redirect_uri;
         }
 
-        // Select the redirect URI
+        // Select the response type
         $response_type = $request->query('response_type', $request->request('response_type'));
 
         // for multiple-valued response types - make them alphabetical
@@ -281,10 +347,10 @@ class AuthorizeController implements AuthorizeControllerInterface
     /**
      * Build the absolute URI based on supplied URI and parameters.
      *
-     * @param $uri    An absolute URI.
-     * @param $params Parameters to be append as GET.
+     * @param string $uri    An absolute URI.
+     * @param array  $params Parameters to be append as GET.
      *
-     * @return
+     * @return string
      * An absolute URI with supplied parameters.
      *
      * @ingroup oauth2_section_4
@@ -302,9 +368,9 @@ class AuthorizeController implements AuthorizeControllerInterface
             }
         }
 
-        // Put humpty dumpty back together
+        // Put the uri back together
         return
-            ((isset($parse_url["scheme"])) ? $parse_url["scheme"] . "://" : "")
+              ((isset($parse_url["scheme"])) ? $parse_url["scheme"] . "://" : "")
             . ((isset($parse_url["user"])) ? $parse_url["user"]
             . ((isset($parse_url["pass"])) ? ":" . $parse_url["pass"] : "") . "@" : "")
             . ((isset($parse_url["host"])) ? $parse_url["host"] : "")
@@ -326,10 +392,10 @@ class AuthorizeController implements AuthorizeControllerInterface
     /**
      * Internal method for validating redirect URI supplied
      *
-     * @param string $inputUri            The submitted URI to be validated
+     * @param string $inputUri The submitted URI to be validated
      * @param string $registeredUriString The allowed URI(s) to validate against.  Can be a space-delimited string of URIs to
      *                                    allow for multiple URIs
-     *
+     * @return bool
      * @see http://tools.ietf.org/html/rfc6749#section-3.1.2
      */
     protected function validateRedirectUri($inputUri, $registeredUriString)
@@ -363,29 +429,50 @@ class AuthorizeController implements AuthorizeControllerInterface
     }
 
     /**
-     * Convenience methods to access the parameters derived from the validated request
+     * Convenience method to access the scope
+     *
+     * @return string
      */
-
     public function getScope()
     {
         return $this->scope;
     }
 
+    /**
+     * Convenience method to access the state
+     *
+     * @return int
+     */
     public function getState()
     {
         return $this->state;
     }
 
+    /**
+     * Convenience method to access the client id
+     *
+     * @return mixed
+     */
     public function getClientId()
     {
         return $this->client_id;
     }
 
+    /**
+     * Convenience method to access the redirect url
+     *
+     * @return string
+     */
     public function getRedirectUri()
     {
         return $this->redirect_uri;
     }
 
+    /**
+     * Convenience method to access the response type
+     *
+     * @return string
+     */
     public function getResponseType()
     {
         return $this->response_type;
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeControllerInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeControllerInterface.php
index fa07ae8d2..f758f976a 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeControllerInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/AuthorizeControllerInterface.php
@@ -11,17 +11,18 @@ use OAuth2\ResponseInterface;
  *  authorization directly, this controller ensures the request is valid, but
  *  requires the application to determine the value of $is_authorized
  *
- *  ex:
- *  > $user_id = $this->somehowDetermineUserId();
- *  > $is_authorized = $this->somehowDetermineUserAuthorization();
- *  > $response = new OAuth2\Response();
- *  > $authorizeController->handleAuthorizeRequest(
- *  >     OAuth2\Request::createFromGlobals(),
- *  >     $response,
- *  >     $is_authorized,
- *  >     $user_id);
- *  > $response->send();
- *
+ *  @code
+ *      $user_id = $this->somehowDetermineUserId();
+ *      $is_authorized = $this->somehowDetermineUserAuthorization();
+ *      $response = new OAuth2\Response();
+ *      $authorizeController->handleAuthorizeRequest(
+ *          OAuth2\Request::createFromGlobals(),
+ *          $response,
+ *          $is_authorized,
+ *          $user_id
+ *      );
+ *      $response->send();
+ * @endcode
  */
 interface AuthorizeControllerInterface
 {
@@ -37,7 +38,21 @@ interface AuthorizeControllerInterface
     const RESPONSE_TYPE_AUTHORIZATION_CODE = 'code';
     const RESPONSE_TYPE_ACCESS_TOKEN = 'token';
 
+    /**
+     * Handle the OAuth request
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @param $is_authorized
+     * @param null $user_id
+     * @return mixed
+     */
     public function handleAuthorizeRequest(RequestInterface $request, ResponseInterface $response, $is_authorized, $user_id = null);
 
+    /**
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @return bool
+     */
     public function validateAuthorizeRequest(RequestInterface $request, ResponseInterface $response);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceController.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceController.php
index 3cfaaaf12..926f90fda 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceController.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceController.php
@@ -10,17 +10,43 @@ use OAuth2\ResponseInterface;
 use OAuth2\Scope;
 
 /**
- * @see OAuth2\Controller\ResourceControllerInterface
+ * @see ResourceControllerInterface
  */
 class ResourceController implements ResourceControllerInterface
 {
+    /**
+     * @var array
+     */
     private $token;
 
+    /**
+     * @var TokenTypeInterface
+     */
     protected $tokenType;
+
+    /**
+     * @var AccessTokenInterface
+     */
     protected $tokenStorage;
+
+    /**
+     * @var array
+     */
     protected $config;
+
+    /**
+     * @var ScopeInterface
+     */
     protected $scopeUtil;
 
+    /**
+     * Constructor
+     *
+     * @param TokenTypeInterface   $tokenType
+     * @param AccessTokenInterface $tokenStorage
+     * @param array                $config
+     * @param ScopeInterface       $scopeUtil
+     */
     public function __construct(TokenTypeInterface $tokenType, AccessTokenInterface $tokenStorage, $config = array(), ScopeInterface $scopeUtil = null)
     {
         $this->tokenType = $tokenType;
@@ -36,6 +62,14 @@ class ResourceController implements ResourceControllerInterface
         $this->scopeUtil = $scopeUtil;
     }
 
+    /**
+     * Verify the resource request
+     *
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @param null              $scope
+     * @return bool
+     */
     public function verifyResourceRequest(RequestInterface $request, ResponseInterface $response, $scope = null)
     {
         $token = $this->getAccessTokenData($request, $response);
@@ -71,6 +105,13 @@ class ResourceController implements ResourceControllerInterface
         return (bool) $token;
     }
 
+    /**
+     * Get access token data.
+     *
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @return array|null
+     */
     public function getAccessTokenData(RequestInterface $request, ResponseInterface $response)
     {
         // Get the token parameter
@@ -103,7 +144,11 @@ class ResourceController implements ResourceControllerInterface
         return null;
     }
 
-    // convenience method to allow retrieval of the token
+    /**
+     * convenience method to allow retrieval of the token.
+     *
+     * @return array
+     */
     public function getToken()
     {
         return $this->token;
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceControllerInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceControllerInterface.php
index 611421935..0e847ca61 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceControllerInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/ResourceControllerInterface.php
@@ -10,17 +10,32 @@ use OAuth2\ResponseInterface;
  *  call verifyResourceRequest in order to determine if the request
  *  contains a valid token.
  *
- *  ex:
- *  > if (!$resourceController->verifyResourceRequest(OAuth2\Request::createFromGlobals(), $response = new OAuth2\Response())) {
- *  >     $response->send(); // authorization failed
- *  >     die();
- *  > }
- *  > return json_encode($resource); // valid token!  Send the stuff!
- *
+ * @code
+ *     if (!$resourceController->verifyResourceRequest(OAuth2\Request::createFromGlobals(), $response = new OAuth2\Response())) {
+ *         $response->send(); // authorization failed
+ *         die();
+ *     }
+ *     return json_encode($resource); // valid token!  Send the stuff!
+ * @endcode
  */
 interface ResourceControllerInterface
 {
+    /**
+     * Verify the resource request
+     *
+     * @param RequestInterface  $request  - Request object
+     * @param ResponseInterface $response - Response object
+     * @param string            $scope
+     * @return mixed
+     */
     public function verifyResourceRequest(RequestInterface $request, ResponseInterface $response, $scope = null);
 
+    /**
+     * Get access token data.
+     *
+     * @param RequestInterface  $request  - Request object
+     * @param ResponseInterface $response - Response object
+     * @return mixed
+     */
     public function getAccessTokenData(RequestInterface $request, ResponseInterface $response);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenController.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenController.php
index 5d2d731fe..7fdaf85a6 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenController.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenController.php
@@ -10,9 +10,12 @@ use OAuth2\Scope;
 use OAuth2\Storage\ClientInterface;
 use OAuth2\RequestInterface;
 use OAuth2\ResponseInterface;
+use InvalidArgumentException;
+use LogicException;
+use RuntimeException;
 
 /**
- * @see \OAuth2\Controller\TokenControllerInterface
+ * @see TokenControllerInterface
  */
 class TokenController implements TokenControllerInterface
 {
@@ -22,7 +25,7 @@ class TokenController implements TokenControllerInterface
     protected $accessToken;
 
     /**
-     * @var array
+     * @var array<GrantTypeInterface>
      */
     protected $grantTypes;
 
@@ -32,7 +35,7 @@ class TokenController implements TokenControllerInterface
     protected $clientAssertionType;
 
     /**
-     * @var Scope|ScopeInterface
+     * @var ScopeInterface
      */
     protected $scopeUtil;
 
@@ -41,12 +44,22 @@ class TokenController implements TokenControllerInterface
      */
     protected $clientStorage;
 
+    /**
+     * Constructor
+     *
+     * @param AccessTokenInterface         $accessToken
+     * @param ClientInterface              $clientStorage
+     * @param array                        $grantTypes
+     * @param ClientAssertionTypeInterface $clientAssertionType
+     * @param ScopeInterface               $scopeUtil
+     * @throws InvalidArgumentException
+     */
     public function __construct(AccessTokenInterface $accessToken, ClientInterface $clientStorage, array $grantTypes = array(), ClientAssertionTypeInterface $clientAssertionType = null, ScopeInterface $scopeUtil = null)
     {
         if (is_null($clientAssertionType)) {
             foreach ($grantTypes as $grantType) {
                 if (!$grantType instanceof ClientAssertionTypeInterface) {
-                    throw new \InvalidArgumentException('You must supply an instance of OAuth2\ClientAssertionType\ClientAssertionTypeInterface or only use grant types which implement OAuth2\ClientAssertionType\ClientAssertionTypeInterface');
+                    throw new InvalidArgumentException('You must supply an instance of OAuth2\ClientAssertionType\ClientAssertionTypeInterface or only use grant types which implement OAuth2\ClientAssertionType\ClientAssertionTypeInterface');
                 }
             }
         }
@@ -63,6 +76,12 @@ class TokenController implements TokenControllerInterface
         $this->scopeUtil = $scopeUtil;
     }
 
+    /**
+     * Handle the token request.
+     *
+     * @param RequestInterface  $request  - Request object to grant access token
+     * @param ResponseInterface $response - Response object
+     */
     public function handleTokenRequest(RequestInterface $request, ResponseInterface $response)
     {
         if ($token = $this->grantAccessToken($request, $response)) {
@@ -83,8 +102,10 @@ class TokenController implements TokenControllerInterface
      * This would be called from the "/token" endpoint as defined in the spec.
      * You can call your endpoint whatever you want.
      *
-     * @param RequestInterface $request Request object to grant access token
-     * @param ResponseInterface $response
+     * @param RequestInterface  $request  - Request object to grant access token
+     * @param ResponseInterface $response - Response object
+     *
+     * @return bool|null|array
      *
      * @throws \InvalidArgumentException
      * @throws \LogicException
@@ -97,9 +118,15 @@ class TokenController implements TokenControllerInterface
      */
     public function grantAccessToken(RequestInterface $request, ResponseInterface $response)
     {
-        if (strtolower($request->server('REQUEST_METHOD')) != 'post') {
+        if (strtolower($request->server('REQUEST_METHOD')) === 'options') {
+            $response->addHttpHeaders(array('Allow' => 'POST, OPTIONS'));
+
+            return null;
+        }
+
+        if (strtolower($request->server('REQUEST_METHOD')) !== 'post') {
             $response->setError(405, 'invalid_request', 'The request method must be POST when requesting an access token', '#section-3.2');
-            $response->addHttpHeaders(array('Allow' => 'POST'));
+            $response->addHttpHeaders(array('Allow' => 'POST, OPTIONS'));
 
             return null;
         }
@@ -121,6 +148,7 @@ class TokenController implements TokenControllerInterface
             return null;
         }
 
+        /** @var GrantTypeInterface $grantType */
         $grantType = $this->grantTypes[$grantTypeIdentifier];
 
         /**
@@ -128,8 +156,8 @@ class TokenController implements TokenControllerInterface
          * ClientAssertionTypes allow for grant types which also assert the client data
          * in which case ClientAssertion is handled in the validateRequest method
          *
-         * @see OAuth2\GrantType\JWTBearer
-         * @see OAuth2\GrantType\ClientCredentials
+         * @see \OAuth2\GrantType\JWTBearer
+         * @see \OAuth2\GrantType\ClientCredentials
          */
         if (!$grantType instanceof ClientAssertionTypeInterface) {
             if (!$this->clientAssertionType->validateRequest($request, $response)) {
@@ -178,7 +206,6 @@ class TokenController implements TokenControllerInterface
          *
          * @see http://tools.ietf.org/html/rfc6749#section-3.3
          */
-
         $requestedScope = $this->scopeUtil->getScopeFromRequest($request);
         $availableScope = $grantType->getScope();
 
@@ -225,20 +252,24 @@ class TokenController implements TokenControllerInterface
     }
 
     /**
-     * addGrantType
+     * Add grant type
      *
-     * @param GrantTypeInterface $grantType the grant type to add for the specified identifier
-     * @param string $identifier a string passed in as "grant_type" in the response that will call this grantType
+     * @param GrantTypeInterface $grantType  - the grant type to add for the specified identifier
+     * @param string|null        $identifier - a string passed in as "grant_type" in the response that will call this grantType
      */
     public function addGrantType(GrantTypeInterface $grantType, $identifier = null)
     {
         if (is_null($identifier) || is_numeric($identifier)) {
-            $identifier = $grantType->getQuerystringIdentifier();
+            $identifier = $grantType->getQueryStringIdentifier();
         }
 
         $this->grantTypes[$identifier] = $grantType;
     }
 
+    /**
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     */
     public function handleRevokeRequest(RequestInterface $request, ResponseInterface $response)
     {
         if ($this->revokeToken($request, $response)) {
@@ -257,13 +288,20 @@ class TokenController implements TokenControllerInterface
      *
      * @param RequestInterface $request
      * @param ResponseInterface $response
+     * @throws RuntimeException
      * @return bool|null
      */
     public function revokeToken(RequestInterface $request, ResponseInterface $response)
     {
-        if (strtolower($request->server('REQUEST_METHOD')) != 'post') {
+        if (strtolower($request->server('REQUEST_METHOD')) === 'options') {
+            $response->addHttpHeaders(array('Allow' => 'POST, OPTIONS'));
+
+            return null;
+        }
+
+        if (strtolower($request->server('REQUEST_METHOD')) !== 'post') {
             $response->setError(405, 'invalid_request', 'The request method must be POST when revoking an access token', '#section-3.2');
-            $response->addHttpHeaders(array('Allow' => 'POST'));
+            $response->addHttpHeaders(array('Allow' => 'POST, OPTIONS'));
 
             return null;
         }
@@ -285,7 +323,7 @@ class TokenController implements TokenControllerInterface
         // @todo remove this check for v2.0
         if (!method_exists($this->accessToken, 'revokeToken')) {
             $class = get_class($this->accessToken);
-            throw new \RuntimeException("AccessToken {$class} does not implement required revokeToken method");
+            throw new RuntimeException("AccessToken {$class} does not implement required revokeToken method");
         }
 
         $this->accessToken->revokeToken($token, $token_type_hint);
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenControllerInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenControllerInterface.php
index 72d72570f..2f83ce4bd 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenControllerInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Controller/TokenControllerInterface.php
@@ -10,23 +10,30 @@ use OAuth2\ResponseInterface;
  *  it is called to handle all grant types the application supports.
  *  It also validates the client's credentials
  *
- *  ex:
- *  > $tokenController->handleTokenRequest(OAuth2\Request::createFromGlobals(), $response = new OAuth2\Response());
- *  > $response->send();
- *
+ * @code
+ *     $tokenController->handleTokenRequest(OAuth2\Request::createFromGlobals(), $response = new OAuth2\Response());
+ *     $response->send();
+ * @endcode
  */
 interface TokenControllerInterface
 {
     /**
-     * handleTokenRequest
-     *
-     * @param $request
-     * OAuth2\RequestInterface - The current http request
-     * @param $response
-     * OAuth2\ResponseInterface - An instance of OAuth2\ResponseInterface to contain the response data
+     * Handle the token request
      *
+     * @param RequestInterface $request   - The current http request
+     * @param ResponseInterface $response - An instance of OAuth2\ResponseInterface to contain the response data
      */
     public function handleTokenRequest(RequestInterface $request, ResponseInterface $response);
 
+    /**
+     * Grant or deny a requested access token.
+     * This would be called from the "/token" endpoint as defined in the spec.
+     * You can call your endpoint whatever you want.
+     *
+     * @param RequestInterface  $request  - Request object to grant access token
+     * @param ResponseInterface $response - Response object
+     *
+     * @return mixed
+     */
     public function grantAccessToken(RequestInterface $request, ResponseInterface $response);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/EncryptionInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/EncryptionInterface.php
index 2d336c664..8dc720a43 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/EncryptionInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/EncryptionInterface.php
@@ -4,8 +4,31 @@ namespace OAuth2\Encryption;
 
 interface EncryptionInterface
 {
+    /**
+     * @param $payload
+     * @param $key
+     * @param null $algorithm
+     * @return mixed
+     */
     public function encode($payload, $key, $algorithm = null);
+
+    /**
+     * @param $payload
+     * @param $key
+     * @param null $algorithm
+     * @return mixed
+     */
     public function decode($payload, $key, $algorithm = null);
+
+    /**
+     * @param $data
+     * @return mixed
+     */
     public function urlSafeB64Encode($data);
+
+    /**
+     * @param $b64
+     * @return mixed
+     */
     public function urlSafeB64Decode($b64);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php
index ee576e643..c258b8fc3 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Encryption/Jwt.php
@@ -2,12 +2,21 @@
 
 namespace OAuth2\Encryption;
 
+use Exception;
+use InvalidArgumentException;
+
 /**
  * @link https://github.com/F21/jwt
  * @author F21
  */
 class Jwt implements EncryptionInterface
 {
+    /**
+     * @param $payload
+     * @param $key
+     * @param string $algo
+     * @return string
+     */
     public function encode($payload, $key, $algo = 'HS256')
     {
         $header = $this->generateJwtHeader($payload, $algo);
@@ -25,6 +34,12 @@ class Jwt implements EncryptionInterface
         return implode('.', $segments);
     }
 
+    /**
+     * @param string      $jwt
+     * @param null        $key
+     * @param array|bool  $allowedAlgorithms
+     * @return bool|mixed
+     */
     public function decode($jwt, $key = null, $allowedAlgorithms = true)
     {
         if (!strpos($jwt, '.')) {
@@ -67,6 +82,14 @@ class Jwt implements EncryptionInterface
         return $payload;
     }
 
+    /**
+     * @param $signature
+     * @param $input
+     * @param $key
+     * @param string $algo
+     * @return bool
+     * @throws InvalidArgumentException
+     */
     private function verifySignature($signature, $input, $key, $algo = 'HS256')
     {
         // use constants when possible, for HipHop support
@@ -89,10 +112,17 @@ class Jwt implements EncryptionInterface
                 return @openssl_verify($input, $signature, $key, defined('OPENSSL_ALGO_SHA512') ? OPENSSL_ALGO_SHA512 : 'sha512') === 1;
 
             default:
-                throw new \InvalidArgumentException("Unsupported or invalid signing algorithm.");
+                throw new InvalidArgumentException("Unsupported or invalid signing algorithm.");
         }
     }
 
+    /**
+     * @param $input
+     * @param $key
+     * @param string $algo
+     * @return string
+     * @throws Exception
+     */
     private function sign($input, $key, $algo = 'HS256')
     {
         switch ($algo) {
@@ -115,19 +145,30 @@ class Jwt implements EncryptionInterface
                 return $this->generateRSASignature($input, $key, defined('OPENSSL_ALGO_SHA512') ? OPENSSL_ALGO_SHA512 : 'sha512');
 
             default:
-                throw new \Exception("Unsupported or invalid signing algorithm.");
+                throw new Exception("Unsupported or invalid signing algorithm.");
         }
     }
 
+    /**
+     * @param $input
+     * @param $key
+     * @param string $algo
+     * @return mixed
+     * @throws Exception
+     */
     private function generateRSASignature($input, $key, $algo)
     {
         if (!openssl_sign($input, $signature, $key, $algo)) {
-            throw new \Exception("Unable to sign data.");
+            throw new Exception("Unable to sign data.");
         }
 
         return $signature;
     }
 
+    /**
+     * @param string $data
+     * @return string
+     */
     public function urlSafeB64Encode($data)
     {
         $b64 = base64_encode($data);
@@ -138,6 +179,10 @@ class Jwt implements EncryptionInterface
         return $b64;
     }
 
+    /**
+     * @param string $b64
+     * @return mixed|string
+     */
     public function urlSafeB64Decode($b64)
     {
         $b64 = str_replace(array('-', '_'),
@@ -158,6 +203,11 @@ class Jwt implements EncryptionInterface
         );
     }
 
+    /**
+     * @param string $a
+     * @param string $b
+     * @return bool
+     */
     protected function hash_equals($a, $b)
     {
         if (function_exists('hash_equals')) {
@@ -170,4 +220,4 @@ class Jwt implements EncryptionInterface
 
         return $diff === 0;
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/AuthorizationCode.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/AuthorizationCode.php
index cae9f787d..784f6b3a3 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/AuthorizationCode.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/AuthorizationCode.php
@@ -6,29 +6,47 @@ use OAuth2\Storage\AuthorizationCodeInterface;
 use OAuth2\ResponseType\AccessTokenInterface;
 use OAuth2\RequestInterface;
 use OAuth2\ResponseInterface;
+use Exception;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class AuthorizationCode implements GrantTypeInterface
 {
+    /**
+     * @var AuthorizationCodeInterface
+     */
     protected $storage;
+
+    /**
+     * @var array
+     */
     protected $authCode;
 
     /**
-     * @param \OAuth2\Storage\AuthorizationCodeInterface $storage REQUIRED Storage class for retrieving authorization code information
+     * @param AuthorizationCodeInterface $storage - REQUIRED Storage class for retrieving authorization code information
      */
     public function __construct(AuthorizationCodeInterface $storage)
     {
         $this->storage = $storage;
     }
 
-    public function getQuerystringIdentifier()
+    /**
+     * @return string
+     */
+    public function getQueryStringIdentifier()
     {
         return 'authorization_code';
     }
 
+    /**
+     * Validate the OAuth request
+     *
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @return bool
+     * @throws Exception
+     */
     public function validateRequest(RequestInterface $request, ResponseInterface $response)
     {
         if (!$request->request('code')) {
@@ -75,21 +93,45 @@ class AuthorizationCode implements GrantTypeInterface
         return true;
     }
 
+    /**
+     * Get the client id
+     *
+     * @return mixed
+     */
     public function getClientId()
     {
         return $this->authCode['client_id'];
     }
 
+    /**
+     * Get the scope
+     *
+     * @return string
+     */
     public function getScope()
     {
         return isset($this->authCode['scope']) ? $this->authCode['scope'] : null;
     }
 
+    /**
+     * Get the user id
+     *
+     * @return mixed
+     */
     public function getUserId()
     {
         return isset($this->authCode['user_id']) ? $this->authCode['user_id'] : null;
     }
 
+    /**
+     * Create access token
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param mixed                $client_id   - client identifier related to the access token.
+     * @param mixed                $user_id     - user id associated with the access token
+     * @param string               $scope       - scopes to be stored in space-separated string.
+     * @return array
+     */
     public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
     {
         $token = $accessToken->createAccessToken($client_id, $user_id, $scope);
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/ClientCredentials.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/ClientCredentials.php
index f953e4e8d..e135c2dd2 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/ClientCredentials.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/ClientCredentials.php
@@ -9,12 +9,19 @@ use OAuth2\Storage\ClientCredentialsInterface;
 /**
  * @author Brent Shaffer <bshafs at gmail dot com>
  *
- * @see OAuth2\ClientAssertionType_HttpBasic
+ * @see HttpBasic
  */
 class ClientCredentials extends HttpBasic implements GrantTypeInterface
 {
+    /**
+     * @var array
+     */
     private $clientData;
 
+    /**
+     * @param ClientCredentialsInterface $storage
+     * @param array $config
+     */
     public function __construct(ClientCredentialsInterface $storage, array $config = array())
     {
         /**
@@ -27,11 +34,21 @@ class ClientCredentials extends HttpBasic implements GrantTypeInterface
         parent::__construct($storage, $config);
     }
 
-    public function getQuerystringIdentifier()
+    /**
+     * Get query string identifier
+     *
+     * @return string
+     */
+    public function getQueryStringIdentifier()
     {
         return 'client_credentials';
     }
 
+    /**
+     * Get scope
+     *
+     * @return string|null
+     */
     public function getScope()
     {
         $this->loadClientData();
@@ -39,6 +56,11 @@ class ClientCredentials extends HttpBasic implements GrantTypeInterface
         return isset($this->clientData['scope']) ? $this->clientData['scope'] : null;
     }
 
+    /**
+     * Get user id
+     *
+     * @return mixed
+     */
     public function getUserId()
     {
         $this->loadClientData();
@@ -46,6 +68,15 @@ class ClientCredentials extends HttpBasic implements GrantTypeInterface
         return isset($this->clientData['user_id']) ? $this->clientData['user_id'] : null;
     }
 
+    /**
+     * Create access token
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param mixed                $client_id   - client identifier related to the access token.
+     * @param mixed                $user_id     - user id associated with the access token
+     * @param string               $scope       - scopes to be stored in space-separated string.
+     * @return array
+     */
     public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
     {
         /**
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/GrantTypeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/GrantTypeInterface.php
index 98489e9c1..f45786ff5 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/GrantTypeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/GrantTypeInterface.php
@@ -11,10 +11,49 @@ use OAuth2\ResponseInterface;
  */
 interface GrantTypeInterface
 {
-    public function getQuerystringIdentifier();
+    /**
+     * Get query string identifier
+     *
+     * @return string
+     */
+    public function getQueryStringIdentifier();
+
+    /**
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @return mixed
+     */
     public function validateRequest(RequestInterface $request, ResponseInterface $response);
+
+    /**
+     * Get client id
+     *
+     * @return mixed
+     */
     public function getClientId();
+
+    /**
+     * Get user id
+     *
+     * @return mixed
+     */
     public function getUserId();
+
+    /**
+     * Get scope
+     *
+     * @return string|null
+     */
     public function getScope();
+
+    /**
+     * Create access token
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param mixed                $client_id   - client identifier related to the access token.
+     * @param mixed                $user_id     - user id associated with the access token
+     * @param string               $scope       - scopes to be stored in space-separated string.
+     * @return array
+     */
     public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/JwtBearer.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/JwtBearer.php
index bb11a6954..62c1efabd 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/JwtBearer.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/JwtBearer.php
@@ -30,10 +30,12 @@ class JwtBearer implements GrantTypeInterface, ClientAssertionTypeInterface
     /**
      * Creates an instance of the JWT bearer grant type.
      *
-     * @param OAuth2\Storage\JWTBearerInterface|JwtBearerInterface $storage A valid storage interface that implements storage hooks for the JWT bearer grant type.
-     * @param string $audience The audience to validate the token against. This is usually the full URI of the OAuth token requests endpoint.
-     * @param EncryptionInterface|OAuth2\Encryption\JWT $jwtUtil OPTONAL The class used to decode, encode and verify JWTs.
-     * @param array $config
+     * @param JwtBearerInterface      $storage  - A valid storage interface that implements storage hooks for the JWT
+     *                                            bearer grant type.
+     * @param string                  $audience - The audience to validate the token against. This is usually the full
+     *                                            URI of the OAuth token requests endpoint.
+     * @param EncryptionInterface|JWT $jwtUtil  - OPTONAL The class used to decode, encode and verify JWTs.
+     * @param array                   $config
      */
     public function __construct(JwtBearerInterface $storage, $audience, EncryptionInterface $jwtUtil = null, array $config = array())
     {
@@ -56,12 +58,11 @@ class JwtBearer implements GrantTypeInterface, ClientAssertionTypeInterface
     /**
      * Returns the grant_type get parameter to identify the grant type request as JWT bearer authorization grant.
      *
-     * @return
-     * The string identifier for grant_type.
+     * @return string - The string identifier for grant_type.
      *
-     * @see OAuth2\GrantType\GrantTypeInterface::getQuerystringIdentifier()
+     * @see GrantTypeInterface::getQueryStringIdentifier()
      */
-    public function getQuerystringIdentifier()
+    public function getQueryStringIdentifier()
     {
         return 'urn:ietf:params:oauth:grant-type:jwt-bearer';
     }
@@ -69,10 +70,9 @@ class JwtBearer implements GrantTypeInterface, ClientAssertionTypeInterface
     /**
      * Validates the data from the decoded JWT.
      *
-     * @return
-     * TRUE if the JWT request is valid and can be decoded. Otherwise, FALSE is returned.
-     *
-     * @see OAuth2\GrantType\GrantTypeInterface::getTokenData()
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @return bool|mixed|null TRUE if the JWT request is valid and can be decoded. Otherwise, FALSE is returned.@see GrantTypeInterface::getTokenData()
      */
     public function validateRequest(RequestInterface $request, ResponseInterface $response)
     {
@@ -196,16 +196,31 @@ class JwtBearer implements GrantTypeInterface, ClientAssertionTypeInterface
         return true;
     }
 
+    /**
+     * Get client id
+     *
+     * @return mixed
+     */
     public function getClientId()
     {
         return $this->jwt['iss'];
     }
 
+    /**
+     * Get user id
+     *
+     * @return mixed
+     */
     public function getUserId()
     {
         return $this->jwt['sub'];
     }
 
+    /**
+     * Get scope
+     *
+     * @return null
+     */
     public function getScope()
     {
         return null;
@@ -215,7 +230,13 @@ class JwtBearer implements GrantTypeInterface, ClientAssertionTypeInterface
      * Creates an access token that is NOT associated with a refresh token.
      * If a subject (sub) the name of the user/account we are accessing data on behalf of.
      *
-     * @see OAuth2\GrantType\GrantTypeInterface::createAccessToken()
+     * @see GrantTypeInterface::createAccessToken()
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param mixed                $client_id   - client identifier related to the access token.
+     * @param mixed                $user_id     - user id associated with the access token
+     * @param string               $scope       - scopes to be stored in space-separated string.
+     * @return array
      */
     public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
     {
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/RefreshToken.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/RefreshToken.php
index e55385222..75c611f1d 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/RefreshToken.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/RefreshToken.php
@@ -8,25 +8,34 @@ use OAuth2\RequestInterface;
 use OAuth2\ResponseInterface;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class RefreshToken implements GrantTypeInterface
 {
+    /**
+     * @var array
+     */
     private $refreshToken;
 
+    /**
+     * @var RefreshTokenInterface
+     */
     protected $storage;
+
+    /**
+     * @var array
+     */
     protected $config;
 
     /**
-     * @param OAuth2\Storage\RefreshTokenInterface $storage REQUIRED Storage class for retrieving refresh token information
-     * @param array                                $config  OPTIONAL Configuration options for the server
-     *                                                      <code>
-     *                                                      $config = array(
-     *                                                      'always_issue_new_refresh_token' => true, // whether to issue a new refresh token upon successful token request
-     *                                                      'unset_refresh_token_after_use' => true // whether to unset the refresh token after after using
-     *                                                      );
-     *                                                      </code>
+     * @param RefreshTokenInterface $storage - REQUIRED Storage class for retrieving refresh token information
+     * @param array                 $config  - OPTIONAL Configuration options for the server
+     * @code
+     *     $config = array(
+     *         'always_issue_new_refresh_token' => true, // whether to issue a new refresh token upon successful token request
+     *         'unset_refresh_token_after_use' => true // whether to unset the refresh token after after using
+     *     );
+     * @endcode
      */
     public function __construct(RefreshTokenInterface $storage, $config = array())
     {
@@ -45,11 +54,21 @@ class RefreshToken implements GrantTypeInterface
         $this->storage = $storage;
     }
 
-    public function getQuerystringIdentifier()
+    /**
+     * @return string
+     */
+    public function getQueryStringIdentifier()
     {
         return 'refresh_token';
     }
 
+    /**
+     * Validate the OAuth request
+     *
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @return bool|mixed|null
+     */
     public function validateRequest(RequestInterface $request, ResponseInterface $response)
     {
         if (!$request->request("refresh_token")) {
@@ -76,21 +95,45 @@ class RefreshToken implements GrantTypeInterface
         return true;
     }
 
+    /**
+     * Get client id
+     *
+     * @return mixed
+     */
     public function getClientId()
     {
         return $this->refreshToken['client_id'];
     }
 
+    /**
+     * Get user id
+     *
+     * @return mixed|null
+     */
     public function getUserId()
     {
         return isset($this->refreshToken['user_id']) ? $this->refreshToken['user_id'] : null;
     }
 
+    /**
+     * Get scope
+     *
+     * @return null|string
+     */
     public function getScope()
     {
         return isset($this->refreshToken['scope']) ? $this->refreshToken['scope'] : null;
     }
 
+    /**
+     * Create access token
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param mixed                $client_id   - client identifier related to the access token.
+     * @param mixed                $user_id     - user id associated with the access token
+     * @param string               $scope       - scopes to be stored in space-separated string.
+     * @return array
+     */
     public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
     {
         /*
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/UserCredentials.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/UserCredentials.php
index f165538ba..b10c2dd09 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/UserCredentials.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/UserCredentials.php
@@ -6,30 +6,46 @@ use OAuth2\Storage\UserCredentialsInterface;
 use OAuth2\ResponseType\AccessTokenInterface;
 use OAuth2\RequestInterface;
 use OAuth2\ResponseInterface;
+use LogicException;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class UserCredentials implements GrantTypeInterface
 {
+    /**
+     * @var array
+     */
     private $userInfo;
 
+    /**
+     * @var UserCredentialsInterface
+     */
     protected $storage;
 
     /**
-     * @param OAuth2\Storage\UserCredentialsInterface $storage REQUIRED Storage class for retrieving user credentials information
+     * @param UserCredentialsInterface $storage - REQUIRED Storage class for retrieving user credentials information
      */
     public function __construct(UserCredentialsInterface $storage)
     {
         $this->storage = $storage;
     }
 
-    public function getQuerystringIdentifier()
+    /**
+     * @return string
+     */
+    public function getQueryStringIdentifier()
     {
         return 'password';
     }
 
+    /**
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @return bool|mixed|null
+     *
+     * @throws LogicException
+     */
     public function validateRequest(RequestInterface $request, ResponseInterface $response)
     {
         if (!$request->request("password") || !$request->request("username")) {
@@ -61,21 +77,45 @@ class UserCredentials implements GrantTypeInterface
         return true;
     }
 
+    /**
+     * Get client id
+     *
+     * @return mixed|null
+     */
     public function getClientId()
     {
         return null;
     }
 
+    /**
+     * Get user id
+     *
+     * @return mixed
+     */
     public function getUserId()
     {
         return $this->userInfo['user_id'];
     }
 
+    /**
+     * Get scope
+     *
+     * @return null|string
+     */
     public function getScope()
     {
         return isset($this->userInfo['scope']) ? $this->userInfo['scope'] : null;
     }
 
+    /**
+     * Create access token
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param mixed                $client_id   - client identifier related to the access token.
+     * @param mixed                $user_id     - user id associated with the access token
+     * @param string               $scope       - scopes to be stored in space-separated string.
+     * @return array
+     */
     public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
     {
         return $accessToken->createAccessToken($client_id, $user_id, $scope);
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeController.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeController.php
index c9b5c6af7..54c5f9a63 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeController.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeController.php
@@ -11,8 +11,19 @@ use OAuth2\ResponseInterface;
  */
 class AuthorizeController extends BaseAuthorizeController implements AuthorizeControllerInterface
 {
+    /**
+     * @var mixed
+     */
     private $nonce;
 
+    /**
+     * Set not authorized response
+     *
+     * @param RequestInterface  $request
+     * @param ResponseInterface $response
+     * @param string            $redirect_uri
+     * @param null              $user_id
+     */
     protected function setNotAuthorizedResponse(RequestInterface $request, ResponseInterface $response, $redirect_uri, $user_id = null)
     {
         $prompt = $request->query('prompt', 'consent');
@@ -32,6 +43,14 @@ class AuthorizeController extends BaseAuthorizeController implements AuthorizeCo
         $response->setRedirect($this->config['redirect_status_code'], $redirect_uri, $this->getState(), $error, $error_message);
     }
 
+    /**
+     * @TODO: add dependency injection for the parameters in this method
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @param mixed $user_id
+     * @return array
+     */
     protected function buildAuthorizeParameters($request, $response, $user_id)
     {
         if (!$params = parent::buildAuthorizeParameters($request, $response, $user_id)) {
@@ -49,6 +68,11 @@ class AuthorizeController extends BaseAuthorizeController implements AuthorizeCo
         return $params;
     }
 
+    /**
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @return bool
+     */
     public function validateAuthorizeRequest(RequestInterface $request, ResponseInterface $response)
     {
         if (!parent::validateAuthorizeRequest($request, $response)) {
@@ -69,6 +93,11 @@ class AuthorizeController extends BaseAuthorizeController implements AuthorizeCo
         return true;
     }
 
+    /**
+     * Array of valid response types
+     *
+     * @return array
+     */
     protected function getValidResponseTypes()
     {
         return array(
@@ -87,11 +116,8 @@ class AuthorizeController extends BaseAuthorizeController implements AuthorizeCo
      * method checks whether OpenID Connect is enabled in the server settings
      * and whether the openid scope was requested.
      *
-     * @param $request_scope
-     *  A space-separated string of scopes.
-     *
-     * @return
-     *   TRUE if an id token is needed, FALSE otherwise.
+     * @param string $request_scope - A space-separated string of scopes.
+     * @return boolean - TRUE if an id token is needed, FALSE otherwise.
      */
     public function needsIdToken($request_scope)
     {
@@ -99,6 +125,9 @@ class AuthorizeController extends BaseAuthorizeController implements AuthorizeCo
         return $this->scopeUtil->checkScope('openid', $request_scope);
     }
 
+    /**
+     * @return mixed
+     */
     public function getNonce()
     {
         return $this->nonce;
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeControllerInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeControllerInterface.php
index 1e231d844..b4967c317 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeControllerInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/AuthorizeControllerInterface.php
@@ -5,6 +5,8 @@ namespace OAuth2\OpenID\Controller;
 interface AuthorizeControllerInterface
 {
     const RESPONSE_TYPE_ID_TOKEN = 'id_token';
+
     const RESPONSE_TYPE_ID_TOKEN_TOKEN = 'id_token token';
+
     const RESPONSE_TYPE_CODE_ID_TOKEN  = 'code id_token';
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoController.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoController.php
index 30cb942d0..c489b7af3 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoController.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoController.php
@@ -16,30 +16,34 @@ use OAuth2\ResponseInterface;
  */
 class UserInfoController extends ResourceController implements UserInfoControllerInterface
 {
-    private $token;
-
-    protected $tokenType;
-    protected $tokenStorage;
+    /**
+     * @var UserClaimsInterface
+     */
     protected $userClaimsStorage;
-    protected $config;
-    protected $scopeUtil;
 
+    /**
+     * Constructor
+     *
+     * @param TokenTypeInterface   $tokenType
+     * @param AccessTokenInterface $tokenStorage
+     * @param UserClaimsInterface  $userClaimsStorage
+     * @param array                $config
+     * @param ScopeInterface       $scopeUtil
+     */
     public function __construct(TokenTypeInterface $tokenType, AccessTokenInterface $tokenStorage, UserClaimsInterface $userClaimsStorage, $config = array(), ScopeInterface $scopeUtil = null)
     {
-        $this->tokenType = $tokenType;
-        $this->tokenStorage = $tokenStorage;
-        $this->userClaimsStorage = $userClaimsStorage;
-
-        $this->config = array_merge(array(
-            'www_realm' => 'Service',
-        ), $config);
+        parent::__construct($tokenType, $tokenStorage, $config, $scopeUtil);
 
-        if (is_null($scopeUtil)) {
-            $scopeUtil = new Scope();
-        }
-        $this->scopeUtil = $scopeUtil;
+        $this->userClaimsStorage = $userClaimsStorage;
     }
 
+    /**
+     * Handle the user info request
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     * @return void
+     */
     public function handleUserInfoRequest(RequestInterface $request, ResponseInterface $response)
     {
         if (!$this->verifyResourceRequest($request, $response, 'openid')) {
@@ -55,4 +59,4 @@ class UserInfoController extends ResourceController implements UserInfoControlle
         );
         $response->addParameters($claims);
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoControllerInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoControllerInterface.php
index a89049d49..88e9228d0 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoControllerInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Controller/UserInfoControllerInterface.php
@@ -9,15 +9,22 @@ use OAuth2\ResponseInterface;
  *  This controller is called when the user claims for OpenID Connect's
  *  UserInfo endpoint should be returned.
  *
- *  ex:
- *  > $response = new OAuth2\Response();
- *  > $userInfoController->handleUserInfoRequest(
- *  >     OAuth2\Request::createFromGlobals(),
- *  >     $response;
- *  > $response->send();
- *
+ * @code
+ *     $response = new OAuth2\Response();
+ *     $userInfoController->handleUserInfoRequest(
+ *         OAuth2\Request::createFromGlobals(),
+ *         $response
+ *     );
+ *     $response->send();
+ * @endcode
  */
 interface UserInfoControllerInterface
 {
+    /**
+     * Handle user info request
+     *
+     * @param RequestInterface $request
+     * @param ResponseInterface $response
+     */
     public function handleUserInfoRequest(RequestInterface $request, ResponseInterface $response);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/GrantType/AuthorizationCode.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/GrantType/AuthorizationCode.php
index 8ed1edc26..ee113a0e5 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/GrantType/AuthorizationCode.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/GrantType/AuthorizationCode.php
@@ -6,11 +6,19 @@ use OAuth2\GrantType\AuthorizationCode as BaseAuthorizationCode;
 use OAuth2\ResponseType\AccessTokenInterface;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class AuthorizationCode extends BaseAuthorizationCode
 {
+    /**
+     * Create access token
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param mixed                $client_id   - client identifier related to the access token.
+     * @param mixed                $user_id     - user id associated with the access token
+     * @param string               $scope       - scopes to be stored in space-separated string.
+     * @return array
+     */
     public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
     {
         $includeRefreshToken = true;
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCode.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCode.php
index 8971954c5..b8ad41ffb 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCode.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCode.php
@@ -6,16 +6,26 @@ use OAuth2\ResponseType\AuthorizationCode as BaseAuthorizationCode;
 use OAuth2\OpenID\Storage\AuthorizationCodeInterface as AuthorizationCodeStorageInterface;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class AuthorizationCode extends BaseAuthorizationCode implements AuthorizationCodeInterface
 {
+    /**
+     * Constructor
+     *
+     * @param AuthorizationCodeStorageInterface $storage
+     * @param array $config
+     */
     public function __construct(AuthorizationCodeStorageInterface $storage, array $config = array())
     {
         parent::__construct($storage, $config);
     }
 
+    /**
+     * @param $params
+     * @param null $user_id
+     * @return array
+     */
     public function getAuthorizeResponse($params, $user_id = null)
     {
         // build the URL to redirect to
@@ -35,18 +45,14 @@ class AuthorizationCode extends BaseAuthorizationCode implements AuthorizationCo
     /**
      * Handle the creation of the authorization code.
      *
-     * @param $client_id
-     * Client identifier related to the authorization code
-     * @param $user_id
-     * User ID associated with the authorization code
-     * @param $redirect_uri
-     * An absolute URI to which the authorization server will redirect the
-     * user-agent to when the end-user authorization step is completed.
-     * @param $scope
-     * (optional) Scopes to be stored in space-separated string.
-     * @param $id_token
-     * (optional) The OpenID Connect id_token.
+     * @param mixed $client_id - Client identifier related to the authorization code
+     * @param mixed $user_id - User ID associated with the authorization code
+     * @param string $redirect_uri - An absolute URI to which the authorization server will redirect the
+     *                               user-agent to when the end-user authorization step is completed.
+     * @param string $scope - OPTIONAL Scopes to be stored in space-separated string.
+     * @param string $id_token - OPTIONAL The OpenID Connect id_token.
      *
+     * @return string
      * @see http://tools.ietf.org/html/rfc6749#section-4
      * @ingroup oauth2_section_4
      */
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCodeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCodeInterface.php
index ea4779255..eb94ef077 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCodeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/AuthorizationCodeInterface.php
@@ -5,7 +5,6 @@ namespace OAuth2\OpenID\ResponseType;
 use OAuth2\ResponseType\AuthorizationCodeInterface as BaseAuthorizationCodeInterface;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 interface AuthorizationCodeInterface extends BaseAuthorizationCodeInterface
@@ -13,12 +12,13 @@ interface AuthorizationCodeInterface extends BaseAuthorizationCodeInterface
     /**
      * Handle the creation of the authorization code.
      *
-     * @param $client_id                Client identifier related to the authorization code
-     * @param $user_id                  User ID associated with the authorization code
-     * @param $redirect_uri             An absolute URI to which the authorization server will redirect the
-     *                                  user-agent to when the end-user authorization step is completed.
-     * @param $scope        OPTIONAL    Scopes to be stored in space-separated string.
-     * @param $id_token     OPTIONAL    The OpenID Connect id_token.
+     * @param mixed  $client_id    - Client identifier related to the authorization code
+     * @param mixed  $user_id      - User ID associated with the authorization code
+     * @param string $redirect_uri - An absolute URI to which the authorization server will redirect the
+     *                               user-agent to when the end-user authorization step is completed.
+     * @param string $scope        - OPTIONAL Scopes to be stored in space-separated string.
+     * @param string $id_token     - OPTIONAL The OpenID Connect id_token.
+     * @return string
      *
      * @see http://tools.ietf.org/html/rfc6749#section-4
      * @ingroup oauth2_section_4
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/CodeIdToken.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/CodeIdToken.php
index ac7764d6c..2696ada37 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/CodeIdToken.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/CodeIdToken.php
@@ -4,15 +4,31 @@ namespace OAuth2\OpenID\ResponseType;
 
 class CodeIdToken implements CodeIdTokenInterface
 {
+    /**
+     * @var AuthorizationCodeInterface
+     */
     protected $authCode;
+
+    /**
+     * @var IdTokenInterface
+     */
     protected $idToken;
 
+    /**
+     * @param AuthorizationCodeInterface $authCode
+     * @param IdTokenInterface           $idToken
+     */
     public function __construct(AuthorizationCodeInterface $authCode, IdTokenInterface $idToken)
     {
         $this->authCode = $authCode;
         $this->idToken = $idToken;
     }
 
+    /**
+     * @param array $params
+     * @param mixed $user_id
+     * @return mixed
+     */
     public function getAuthorizeResponse($params, $user_id = null)
     {
         $result = $this->authCode->getAuthorizeResponse($params, $user_id);
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdToken.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdToken.php
index 97777fbf2..55e446074 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdToken.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdToken.php
@@ -6,14 +6,38 @@ use OAuth2\Encryption\EncryptionInterface;
 use OAuth2\Encryption\Jwt;
 use OAuth2\Storage\PublicKeyInterface;
 use OAuth2\OpenID\Storage\UserClaimsInterface;
+use LogicException;
 
 class IdToken implements IdTokenInterface
 {
+    /**
+     * @var UserClaimsInterface
+     */
     protected $userClaimsStorage;
+    /**
+     * @var PublicKeyInterface
+     */
     protected $publicKeyStorage;
+
+    /**
+     * @var array
+     */
     protected $config;
+
+    /**
+     * @var EncryptionInterface
+     */
     protected $encryptionUtil;
 
+    /**
+     * Constructor
+     *
+     * @param UserClaimsInterface $userClaimsStorage
+     * @param PublicKeyInterface $publicKeyStorage
+     * @param array $config
+     * @param EncryptionInterface $encryptionUtil
+     * @throws LogicException
+     */
     public function __construct(UserClaimsInterface $userClaimsStorage, PublicKeyInterface $publicKeyStorage, array $config = array(), EncryptionInterface $encryptionUtil = null)
     {
         $this->userClaimsStorage = $userClaimsStorage;
@@ -24,13 +48,18 @@ class IdToken implements IdTokenInterface
         $this->encryptionUtil = $encryptionUtil;
 
         if (!isset($config['issuer'])) {
-            throw new \LogicException('config parameter "issuer" must be set');
+            throw new LogicException('config parameter "issuer" must be set');
         }
         $this->config = array_merge(array(
             'id_lifetime' => 3600,
         ), $config);
     }
 
+    /**
+     * @param array $params
+     * @param null $userInfo
+     * @return array|mixed
+     */
     public function getAuthorizeResponse($params, $userInfo = null)
     {
         // build the URL to redirect to
@@ -50,6 +79,16 @@ class IdToken implements IdTokenInterface
         return array($params['redirect_uri'], $result);
     }
 
+    /**
+     * Create id token
+     *
+     * @param string $client_id
+     * @param mixed  $userInfo
+     * @param mixed  $nonce
+     * @param mixed  $userClaims
+     * @param mixed  $access_token
+     * @return mixed|string
+     */
     public function createIdToken($client_id, $userInfo, $nonce = null, $userClaims = null, $access_token = null)
     {
         // pull auth_time from user info if supplied
@@ -79,6 +118,11 @@ class IdToken implements IdTokenInterface
         return $this->encodeToken($token, $client_id);
     }
 
+    /**
+     * @param $access_token
+     * @param null $client_id
+     * @return mixed|string
+     */
     protected function createAtHash($access_token, $client_id = null)
     {
         // maps HS256 and RS256 to sha256, etc.
@@ -90,6 +134,11 @@ class IdToken implements IdTokenInterface
         return $this->encryptionUtil->urlSafeB64Encode($at_hash);
     }
 
+    /**
+     * @param array $token
+     * @param null $client_id
+     * @return mixed|string
+     */
     protected function encodeToken(array $token, $client_id = null)
     {
         $private_key = $this->publicKeyStorage->getPrivateKey($client_id);
@@ -98,6 +147,11 @@ class IdToken implements IdTokenInterface
         return $this->encryptionUtil->encode($token, $private_key, $algorithm);
     }
 
+    /**
+     * @param $userInfo
+     * @return array
+     * @throws LogicException
+     */
     private function getUserIdAndAuthTime($userInfo)
     {
         $auth_time = null;
@@ -105,7 +159,7 @@ class IdToken implements IdTokenInterface
         // support an array for user_id / auth_time
         if (is_array($userInfo)) {
             if (!isset($userInfo['user_id'])) {
-                throw new \LogicException('if $user_id argument is an array, user_id index must be set');
+                throw new LogicException('if $user_id argument is an array, user_id index must be set');
             }
 
             $auth_time = isset($userInfo['auth_time']) ? $userInfo['auth_time'] : null;
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenInterface.php
index 0bd2f8391..226a3bcbb 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenInterface.php
@@ -15,12 +15,13 @@ interface IdTokenInterface extends ResponseTypeInterface
      * If the Implicit Flow is used, the token and id_token are generated and
      * returned together.
      *
-     * @param string $client_id    The client id.
-     * @param string $user_id      The user id.
-     * @param string $nonce        OPTIONAL The nonce.
-     * @param string $userClaims   OPTIONAL Claims about the user.
-     * @param string $access_token OPTIONAL The access token, if known.
-     *
+     * @param string $client_id        - The client id.
+     * @param mixed  $userInfo         - User info
+     * @param string $nonce            - OPTIONAL The nonce.
+     * @param string $userClaims       - OPTIONAL Claims about the user.
+     * @param string $access_token     - OPTIONAL The access token, if known.
+
+     * @internal param string $user_id - The user id.
      * @return string The ID Token represented as a JSON Web Token (JWT).
      *
      * @see http://openid.net/specs/openid-connect-core-1_0.html#IDToken
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenToken.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenToken.php
index f0c59799b..94c51ae4d 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenToken.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/ResponseType/IdTokenToken.php
@@ -6,15 +6,33 @@ use OAuth2\ResponseType\AccessTokenInterface;
 
 class IdTokenToken implements IdTokenTokenInterface
 {
+    /**
+     * @var AccessTokenInterface
+     */
     protected $accessToken;
+
+    /**
+     * @var IdTokenInterface
+     */
     protected $idToken;
 
+    /**
+     * Constructor
+     *
+     * @param AccessTokenInterface $accessToken
+     * @param IdTokenInterface $idToken
+     */
     public function __construct(AccessTokenInterface $accessToken, IdTokenInterface $idToken)
     {
         $this->accessToken = $accessToken;
         $this->idToken = $idToken;
     }
 
+    /**
+     * @param array $params
+     * @param mixed $user_id
+     * @return mixed
+     */
     public function getAuthorizeResponse($params, $user_id = null)
     {
         $result = $this->accessToken->getAuthorizeResponse($params, $user_id);
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/AuthorizationCodeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/AuthorizationCodeInterface.php
index 51dd867ec..446cec928 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/AuthorizationCodeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/AuthorizationCodeInterface.php
@@ -23,13 +23,13 @@ interface AuthorizationCodeInterface extends BaseAuthorizationCodeInterface
      *
      * Required for OAuth2::GRANT_TYPE_AUTH_CODE.
      *
-     * @param $code                authorization code to be stored.
-     * @param $client_id           client identifier to be stored.
-     * @param $user_id             user identifier to be stored.
-     * @param string $redirect_uri redirect URI(s) to be stored in a space-separated string.
-     * @param int    $expires      expiration to be stored as a Unix timestamp.
-     * @param string $scope        OPTIONAL scopes to be stored in space-separated string.
-     * @param string $id_token     OPTIONAL the OpenID Connect id_token.
+     * @param string $code         - authorization code to be stored.
+     * @param mixed $client_id     - client identifier to be stored.
+     * @param mixed $user_id       - user identifier to be stored.
+     * @param string $redirect_uri - redirect URI(s) to be stored in a space-separated string.
+     * @param int    $expires      - expiration to be stored as a Unix timestamp.
+     * @param string $scope        - OPTIONAL scopes to be stored in space-separated string.
+     * @param string $id_token     - OPTIONAL the OpenID Connect id_token.
      *
      * @ingroup oauth2_section_4
      */
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/UserClaimsInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/UserClaimsInterface.php
index f230bef9e..9c5e7c8c4 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/UserClaimsInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/OpenID/Storage/UserClaimsInterface.php
@@ -23,14 +23,11 @@ interface UserClaimsInterface
      * Groups of claims are returned based on the requested scopes. No group
      * is required, and no claim is required.
      *
-     * @param $user_id
-     * The id of the user for which claims should be returned.
-     * @param $scope
-     * The requested scope.
+     * @param mixed  $user_id - The id of the user for which claims should be returned.
+     * @param string $scope   - The requested scope.
      * Scopes with matching claims: profile, email, address, phone.
      *
-     * @return
-     * An array in the claim => value format.
+     * @return array - An array in the claim => value format.
      *
      * @see http://openid.net/specs/openid-connect-core-1_0.html#ScopeClaims
      */
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Request.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Request.php
index c92cee821..c96cb972f 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Request.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Request.php
@@ -2,6 +2,8 @@
 
 namespace OAuth2;
 
+use LogicException;
+
 /**
  * OAuth2\Request
  * This class is taken from the Symfony2 Framework and is part of the Symfony package.
@@ -21,13 +23,14 @@ class Request implements RequestInterface
     /**
      * Constructor.
      *
-     * @param array  $query      The GET parameters
-     * @param array  $request    The POST parameters
-     * @param array  $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
-     * @param array  $cookies    The COOKIE parameters
-     * @param array  $files      The FILES parameters
-     * @param array  $server     The SERVER parameters
-     * @param string $content    The raw body data
+     * @param array  $query      - The GET parameters
+     * @param array  $request    - The POST parameters
+     * @param array  $attributes - The request attributes (parameters parsed from the PATH_INFO, ...)
+     * @param array  $cookies    - The COOKIE parameters
+     * @param array  $files      - The FILES parameters
+     * @param array  $server     - The SERVER parameters
+     * @param string $content    - The raw body data
+     * @param array  $headers    - The headers
      *
      * @api
      */
@@ -41,13 +44,14 @@ class Request implements RequestInterface
      *
      * This method also re-initializes all properties.
      *
-     * @param array  $query      The GET parameters
-     * @param array  $request    The POST parameters
-     * @param array  $attributes The request attributes (parameters parsed from the PATH_INFO, ...)
-     * @param array  $cookies    The COOKIE parameters
-     * @param array  $files      The FILES parameters
-     * @param array  $server     The SERVER parameters
-     * @param string $content    The raw body data
+     * @param array  $query      - The GET parameters
+     * @param array  $request    - The POST parameters
+     * @param array  $attributes - The request attributes (parameters parsed from the PATH_INFO, ...)
+     * @param array  $cookies    - The COOKIE parameters
+     * @param array  $files      - The FILES parameters
+     * @param array  $server     - The SERVER parameters
+     * @param string $content    - The raw body data
+     * @param array  $headers    - The headers
      *
      * @api
      */
@@ -63,21 +67,41 @@ class Request implements RequestInterface
         $this->headers = is_null($headers) ? $this->getHeadersFromServer($this->server) : $headers;
     }
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function query($name, $default = null)
     {
         return isset($this->query[$name]) ? $this->query[$name] : $default;
     }
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function request($name, $default = null)
     {
         return isset($this->request[$name]) ? $this->request[$name] : $default;
     }
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function server($name, $default = null)
     {
         return isset($this->server[$name]) ? $this->server[$name] : $default;
     }
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function headers($name, $default = null)
     {
         $headers = array_change_key_case($this->headers);
@@ -86,6 +110,9 @@ class Request implements RequestInterface
         return isset($headers[$name]) ? $headers[$name] : $default;
     }
 
+    /**
+     * @return array
+     */
     public function getAllQueryParameters()
     {
         return $this->query;
@@ -94,14 +121,15 @@ class Request implements RequestInterface
     /**
      * Returns the request body content.
      *
-     * @param Boolean $asResource If true, a resource will be returned
+     * @param boolean $asResource - If true, a resource will be returned
+     * @return string|resource    - The request body content or a resource to read the body stream.
      *
-     * @return string|resource The request body content or a resource to read the body stream.
+     * @throws LogicException
      */
     public function getContent($asResource = false)
     {
         if (false === $this->content || (true === $asResource && null !== $this->content)) {
-            throw new \LogicException('getContent() can only be called once when using the resource return type.');
+            throw new LogicException('getContent() can only be called once when using the resource return type.');
         }
 
         if (true === $asResource) {
@@ -117,6 +145,10 @@ class Request implements RequestInterface
         return $this->content;
     }
 
+    /**
+     * @param array $server
+     * @return array
+     */
     private function getHeadersFromServer($server)
     {
         $headers = array();
@@ -185,13 +217,15 @@ class Request implements RequestInterface
     /**
      * Creates a new request with values from PHP's super globals.
      *
-     * @return Request A new request
+     * @return Request - A new request
      *
      * @api
      */
     public static function createFromGlobals()
     {
         $class = get_called_class();
+
+        /** @var Request $request */
         $request = new $class($_GET, $_POST, array(), $_COOKIE, $_FILES, $_SERVER);
 
         $contentType = $request->server('CONTENT_TYPE', '');
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/RequestInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/RequestInterface.php
index 8a70d5fad..1d036b735 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/RequestInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/RequestInterface.php
@@ -4,13 +4,36 @@ namespace OAuth2;
 
 interface RequestInterface
 {
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function query($name, $default = null);
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function request($name, $default = null);
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function server($name, $default = null);
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function headers($name, $default = null);
 
+    /**
+     * @return mixed
+     */
     public function getAllQueryParameters();
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Response.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Response.php
index fc1e62a98..ccd797ae7 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Response.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Response.php
@@ -2,6 +2,8 @@
 
 namespace OAuth2;
 
+use InvalidArgumentException;
+
 /**
  * Class to handle OAuth2 Responses in a graceful way.  Use this interface
  * to output the proper OAuth2 responses.
@@ -13,12 +15,34 @@ namespace OAuth2;
  */
 class Response implements ResponseInterface
 {
+    /**
+     * @var string
+     */
     public $version;
+
+    /**
+     * @var int
+     */
     protected $statusCode = 200;
+
+    /**
+     * @var string
+     */
     protected $statusText;
+
+    /**
+     * @var array
+     */
     protected $parameters = array();
+
+    /**
+     * @var array
+     */
     protected $httpHeaders = array();
 
+    /**
+     * @var array
+     */
     public static $statusTexts = array(
         100 => 'Continue',
         101 => 'Switching Protocols',
@@ -63,6 +87,11 @@ class Response implements ResponseInterface
         505 => 'HTTP Version Not Supported',
     );
 
+    /**
+     * @param array $parameters
+     * @param int   $statusCode
+     * @param array $headers
+     */
     public function __construct($parameters = array(), $statusCode = 200, $headers = array())
     {
         $this->setParameters($parameters);
@@ -102,76 +131,128 @@ class Response implements ResponseInterface
         return sprintf("%s: %s\n", $name, $value);
     }
 
+    /**
+     * @return int
+     */
     public function getStatusCode()
     {
         return $this->statusCode;
     }
 
+    /**
+     * @param int $statusCode
+     * @param string $text
+     * @throws InvalidArgumentException
+     */
     public function setStatusCode($statusCode, $text = null)
     {
         $this->statusCode = (int) $statusCode;
         if ($this->isInvalid()) {
-            throw new \InvalidArgumentException(sprintf('The HTTP status code "%s" is not valid.', $statusCode));
+            throw new InvalidArgumentException(sprintf('The HTTP status code "%s" is not valid.', $statusCode));
         }
 
         $this->statusText = false === $text ? '' : (null === $text ? self::$statusTexts[$this->statusCode] : $text);
     }
 
+    /**
+     * @return string
+     */
     public function getStatusText()
     {
         return $this->statusText;
     }
 
+    /**
+     * @return array
+     */
     public function getParameters()
     {
         return $this->parameters;
     }
 
+    /**
+     * @param array $parameters
+     */
     public function setParameters(array $parameters)
     {
         $this->parameters = $parameters;
     }
 
+    /**
+     * @param array $parameters
+     */
     public function addParameters(array $parameters)
     {
         $this->parameters = array_merge($this->parameters, $parameters);
     }
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function getParameter($name, $default = null)
     {
         return isset($this->parameters[$name]) ? $this->parameters[$name] : $default;
     }
 
+    /**
+     * @param string $name
+     * @param mixed  $value
+     */
     public function setParameter($name, $value)
     {
         $this->parameters[$name] = $value;
     }
 
+    /**
+     * @param array $httpHeaders
+     */
     public function setHttpHeaders(array $httpHeaders)
     {
         $this->httpHeaders = $httpHeaders;
     }
 
+    /**
+     * @param string $name
+     * @param mixed $value
+     */
     public function setHttpHeader($name, $value)
     {
         $this->httpHeaders[$name] = $value;
     }
 
+    /**
+     * @param array $httpHeaders
+     */
     public function addHttpHeaders(array $httpHeaders)
     {
         $this->httpHeaders = array_merge($this->httpHeaders, $httpHeaders);
     }
 
+    /**
+     * @return array
+     */
     public function getHttpHeaders()
     {
         return $this->httpHeaders;
     }
 
+    /**
+     * @param string $name
+     * @param mixed  $default
+     * @return mixed
+     */
     public function getHttpHeader($name, $default = null)
     {
         return isset($this->httpHeaders[$name]) ? $this->httpHeaders[$name] : $default;
     }
 
+    /**
+     * @param string $format
+     * @return mixed
+     * @throws InvalidArgumentException
+     */
     public function getResponseBody($format = 'json')
     {
         switch ($format) {
@@ -187,10 +268,13 @@ class Response implements ResponseInterface
                 return $xml->asXML();
         }
 
-        throw new \InvalidArgumentException(sprintf('The format %s is not supported', $format));
+        throw new InvalidArgumentException(sprintf('The format %s is not supported', $format));
 
     }
 
+    /**
+     * @param string $format
+     */
     public function send($format = 'json')
     {
         // headers have already been sent by the developer
@@ -215,6 +299,14 @@ class Response implements ResponseInterface
         echo $this->getResponseBody($format);
     }
 
+    /**
+     * @param int $statusCode
+     * @param string $error
+     * @param string $errorDescription
+     * @param string $errorUri
+     * @return mixed
+     * @throws InvalidArgumentException
+     */
     public function setError($statusCode, $error, $errorDescription = null, $errorUri = null)
     {
         $parameters = array(
@@ -239,14 +331,24 @@ class Response implements ResponseInterface
         $this->addHttpHeaders($httpHeaders);
 
         if (!$this->isClientError() && !$this->isServerError()) {
-            throw new \InvalidArgumentException(sprintf('The HTTP status code is not an error ("%s" given).', $statusCode));
+            throw new InvalidArgumentException(sprintf('The HTTP status code is not an error ("%s" given).', $statusCode));
         }
     }
 
+    /**
+     * @param int $statusCode
+     * @param string $url
+     * @param string $state
+     * @param string $error
+     * @param string $errorDescription
+     * @param string $errorUri
+     * @return mixed
+     * @throws InvalidArgumentException
+     */
     public function setRedirect($statusCode, $url, $state = null, $error = null, $errorDescription = null, $errorUri = null)
     {
         if (empty($url)) {
-            throw new \InvalidArgumentException('Cannot redirect to an empty URL.');
+            throw new InvalidArgumentException('Cannot redirect to an empty URL.');
         }
 
         $parameters = array();
@@ -271,15 +373,16 @@ class Response implements ResponseInterface
         $this->addHttpHeaders(array('Location' =>  $url));
 
         if (!$this->isRedirection()) {
-            throw new \InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $statusCode));
+            throw new InvalidArgumentException(sprintf('The HTTP status code is not a redirect ("%s" given).', $statusCode));
         }
     }
 
-    // http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
     /**
      * @return Boolean
      *
      * @api
+     *
+     * @see http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
      */
     public function isInvalid()
     {
@@ -336,8 +439,11 @@ class Response implements ResponseInterface
         return $this->statusCode >= 500 && $this->statusCode < 600;
     }
 
-    /*
-     * Functions from Symfony2 HttpFoundation - output pretty header
+    /**
+     * Function from Symfony2 HttpFoundation - output pretty header
+     *
+     * @param array $headers
+     * @return string
      */
     private function getHttpHeadersAsString($headers)
     {
@@ -357,11 +463,23 @@ class Response implements ResponseInterface
         return $content;
     }
 
+    /**
+     * Function from Symfony2 HttpFoundation - output pretty header
+     *
+     * @param string $name
+     * @return mixed
+     */
     private function beautifyHeaderName($name)
     {
         return preg_replace_callback('/\-(.)/', array($this, 'beautifyCallback'), ucfirst($name));
     }
 
+    /**
+     * Function from Symfony2 HttpFoundation - output pretty header
+     *
+     * @param array $match
+     * @return string
+     */
     private function beautifyCallback($match)
     {
         return '-'.strtoupper($match[1]);
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseInterface.php
index c99b5f7d1..fe920864a 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseInterface.php
@@ -6,19 +6,48 @@ namespace OAuth2;
  * Interface which represents an object response.  Meant to handle and display the proper OAuth2 Responses
  * for errors and successes
  *
- * @see OAuth2\Response
+ * @see \OAuth2\Response
  */
 interface ResponseInterface
 {
+    /**
+     * @param array $parameters
+     */
     public function addParameters(array $parameters);
 
+    /**
+     * @param array $httpHeaders
+     */
     public function addHttpHeaders(array $httpHeaders);
 
+    /**
+     * @param int $statusCode
+     */
     public function setStatusCode($statusCode);
 
+    /**
+     * @param int    $statusCode
+     * @param string $name
+     * @param string $description
+     * @param string $uri
+     * @return mixed
+     */
     public function setError($statusCode, $name, $description = null, $uri = null);
 
+    /**
+     * @param int    $statusCode
+     * @param string $url
+     * @param string $state
+     * @param string $error
+     * @param string $errorDescription
+     * @param string $errorUri
+     * @return mixed
+     */
     public function setRedirect($statusCode, $url, $state = null, $error = null, $errorDescription = null, $errorUri = null);
 
+    /**
+     * @param string $name
+     * @return mixed
+     */
     public function getParameter($name);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessToken.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessToken.php
index 98f51218f..e836a3447 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessToken.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessToken.php
@@ -4,28 +4,39 @@ namespace OAuth2\ResponseType;
 
 use OAuth2\Storage\AccessTokenInterface as AccessTokenStorageInterface;
 use OAuth2\Storage\RefreshTokenInterface;
+use RuntimeException;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class AccessToken implements AccessTokenInterface
 {
+    /**
+     * @var AccessTokenInterface
+     */
     protected $tokenStorage;
+
+    /**
+     * @var RefreshTokenInterface
+     */
     protected $refreshStorage;
+
+    /**
+     * @var array
+     */
     protected $config;
 
     /**
-     * @param OAuth2\Storage\AccessTokenInterface  $tokenStorage   REQUIRED Storage class for saving access token information
-     * @param OAuth2\Storage\RefreshTokenInterface $refreshStorage OPTIONAL Storage class for saving refresh token information
-     * @param array                                $config         OPTIONAL Configuration options for the server
-     *                                                             <code>
-     *                                                             $config = array(
-     *                                                             'token_type' => 'bearer',              // token type identifier
-     *                                                             'access_lifetime' => 3600,             // time before access token expires
-     *                                                             'refresh_token_lifetime' => 1209600,   // time before refresh token expires
-     *                                                             );
-     *                                                             </endcode>
+     * @param AccessTokenStorageInterface $tokenStorage   - REQUIRED Storage class for saving access token information
+     * @param RefreshTokenInterface       $refreshStorage - OPTIONAL Storage class for saving refresh token information
+     * @param array                       $config         - OPTIONAL Configuration options for the server
+     * @code
+     *     $config = array(
+     *         'token_type' => 'bearer',            // token type identifier
+     *         'access_lifetime' => 3600,           // time before access token expires
+     *         'refresh_token_lifetime' => 1209600, // time before refresh token expires
+     *     );
+     * @endcode
      */
     public function __construct(AccessTokenStorageInterface $tokenStorage, RefreshTokenInterface $refreshStorage = null, array $config = array())
     {
@@ -39,6 +50,13 @@ class AccessToken implements AccessTokenInterface
         ), $config);
     }
 
+    /**
+     * Get authorize response
+     *
+     * @param array $params
+     * @param mixed $user_id
+     * @return array
+     */
     public function getAuthorizeResponse($params, $user_id = null)
     {
         // build the URL to redirect to
@@ -64,10 +82,11 @@ class AccessToken implements AccessTokenInterface
     /**
      * Handle the creation of access token, also issue refresh token if supported / desirable.
      *
-     * @param $client_id                client identifier related to the access token.
-     * @param $user_id                  user ID associated with the access token
-     * @param $scope                    OPTIONAL scopes to be stored in space-separated string.
-     * @param bool $includeRefreshToken if true, a new refresh_token will be added to the response
+     * @param mixed  $client_id           - client identifier related to the access token.
+     * @param mixed  $user_id             - user ID associated with the access token
+     * @param string $scope               - OPTIONAL scopes to be stored in space-separated string.
+     * @param bool   $includeRefreshToken - if true, a new refresh_token will be added to the response
+     * @return array
      *
      * @see http://tools.ietf.org/html/rfc6749#section-5
      * @ingroup oauth2_section_5
@@ -107,13 +126,18 @@ class AccessToken implements AccessTokenInterface
      * Implementing classes may want to override this function to implement
      * other access token generation schemes.
      *
-     * @return
-     * An unique access token.
+     * @return string - A unique access token.
      *
      * @ingroup oauth2_section_4
      */
     protected function generateAccessToken()
     {
+        if (function_exists('random_bytes')) {
+            $randomData = random_bytes(20);
+            if ($randomData !== false && strlen($randomData) === 20) {
+                return bin2hex($randomData);
+            }
+        }
         if (function_exists('openssl_random_pseudo_bytes')) {
             $randomData = openssl_random_pseudo_bytes(20);
             if ($randomData !== false && strlen($randomData) === 20) {
@@ -144,8 +168,7 @@ class AccessToken implements AccessTokenInterface
      * Implementing classes may want to override this function to implement
      * other refresh token generation schemes.
      *
-     * @return
-     * An unique refresh.
+     * @return string - A unique refresh token.
      *
      * @ingroup oauth2_section_4
      * @see OAuth2::generateAccessToken()
@@ -162,6 +185,7 @@ class AccessToken implements AccessTokenInterface
      *
      * @param $token
      * @param null $tokenTypeHint
+     * @throws RuntimeException
      * @return boolean
      */
     public function revokeToken($token, $tokenTypeHint = null)
@@ -174,7 +198,7 @@ class AccessToken implements AccessTokenInterface
 
         /** @TODO remove in v2 */
         if (!method_exists($this->tokenStorage, 'unsetAccessToken')) {
-            throw new \RuntimeException(
+            throw new RuntimeException(
                 sprintf('Token storage %s must implement unsetAccessToken method', get_class($this->tokenStorage)
             ));
         }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessTokenInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessTokenInterface.php
index 4bd3928d8..0e576df52 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessTokenInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AccessTokenInterface.php
@@ -3,7 +3,6 @@
 namespace OAuth2\ResponseType;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 interface AccessTokenInterface extends ResponseTypeInterface
@@ -11,10 +10,10 @@ interface AccessTokenInterface extends ResponseTypeInterface
     /**
      * Handle the creation of access token, also issue refresh token if supported / desirable.
      *
-     * @param $client_id                client identifier related to the access token.
-     * @param $user_id                  user ID associated with the access token
-     * @param $scope                    OPTONAL scopes to be stored in space-separated string.
-     * @param bool $includeRefreshToken if true, a new refresh_token will be added to the response
+     * @param mixed  $client_id           - client identifier related to the access token.
+     * @param mixed  $user_id             - user ID associated with the access token
+     * @param string $scope               - OPTONAL scopes to be stored in space-separated string.
+     * @param bool   $includeRefreshToken - if true, a new refresh_token will be added to the response
      *
      * @see http://tools.ietf.org/html/rfc6749#section-5
      * @ingroup oauth2_section_5
@@ -31,4 +30,4 @@ interface AccessTokenInterface extends ResponseTypeInterface
      * @todo v2.0 include this method in interface. Omitted to maintain BC in v1.x
      */
     //public function revokeToken($token, $tokenTypeHint);
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCode.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCode.php
index 52aeb4be5..b92c73cda 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCode.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCode.php
@@ -5,7 +5,6 @@ namespace OAuth2\ResponseType;
 use OAuth2\Storage\AuthorizationCodeInterface as AuthorizationCodeStorageInterface;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class AuthorizationCode implements AuthorizationCodeInterface
@@ -85,7 +84,9 @@ class AuthorizationCode implements AuthorizationCodeInterface
     protected function generateAuthorizationCode()
     {
         $tokenLen = 40;
-        if (function_exists('openssl_random_pseudo_bytes')) {
+        if (function_exists('random_bytes')) {
+            $randomData = random_bytes(100);
+        } elseif (function_exists('openssl_random_pseudo_bytes')) {
             $randomData = openssl_random_pseudo_bytes(100);
         } elseif (function_exists('mcrypt_create_iv')) {
             $randomData = mcrypt_create_iv(100, MCRYPT_DEV_URANDOM);
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCodeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCodeInterface.php
index df777e221..4f0a29df4 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCodeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/AuthorizationCodeInterface.php
@@ -3,7 +3,6 @@
 namespace OAuth2\ResponseType;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 interface AuthorizationCodeInterface extends ResponseTypeInterface
@@ -17,11 +16,12 @@ interface AuthorizationCodeInterface extends ResponseTypeInterface
     /**
      * Handle the creation of the authorization code.
      *
-     * @param $client_id    client identifier related to the authorization code
-     * @param $user_id      user id associated with the authorization code
-     * @param $redirect_uri an absolute URI to which the authorization server will redirect the
-     *                      user-agent to when the end-user authorization step is completed.
-     * @param $scope        OPTIONAL scopes to be stored in space-separated string.
+     * @param mixed  $client_id    - Client identifier related to the authorization code
+     * @param mixed  $user_id      - User ID associated with the authorization code
+     * @param string $redirect_uri - An absolute URI to which the authorization server will redirect the
+     *                               user-agent to when the end-user authorization step is completed.
+     * @param string $scope        - OPTIONAL Scopes to be stored in space-separated string.
+     * @return string
      *
      * @see http://tools.ietf.org/html/rfc6749#section-4
      * @ingroup oauth2_section_4
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/JwtAccessToken.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/JwtAccessToken.php
index 3942fe41e..0af9705ff 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/JwtAccessToken.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/JwtAccessToken.php
@@ -10,7 +10,6 @@ use OAuth2\Storage\PublicKeyInterface;
 use OAuth2\Storage\Memory;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class JwtAccessToken extends AccessToken
@@ -19,10 +18,13 @@ class JwtAccessToken extends AccessToken
     protected $encryptionUtil;
 
     /**
-     * @param $config
-     *  - store_encrypted_token_string (bool true)
-     *       whether the entire encrypted string is stored,
-     *       or just the token ID is stored
+     * @param PublicKeyInterface          $publicKeyStorage -
+     * @param AccessTokenStorageInterface $tokenStorage     -
+     * @param RefreshTokenInterface       $refreshStorage   -
+     * @param array                       $config           - array with key store_encrypted_token_string (bool true)
+     *                                                        whether the entire encrypted string is stored,
+     *                                                        or just the token ID is stored
+     * @param EncryptionInterface         $encryptionUtil   -
      */
     public function __construct(PublicKeyInterface $publicKeyStorage = null, AccessTokenStorageInterface $tokenStorage = null, RefreshTokenInterface $refreshStorage = null, array $config = array(), EncryptionInterface $encryptionUtil = null)
     {
@@ -45,46 +47,31 @@ class JwtAccessToken extends AccessToken
     /**
      * Handle the creation of access token, also issue refresh token if supported / desirable.
      *
-     * @param $client_id
-     * Client identifier related to the access token.
-     * @param $user_id
-     * User ID associated with the access token
-     * @param $scope
-     * (optional) Scopes to be stored in space-separated string.
-     * @param bool $includeRefreshToken
-     *                                  If true, a new refresh_token will be added to the response
+     * @param mixed  $client_id           - Client identifier related to the access token.
+     * @param mixed  $user_id             - User ID associated with the access token
+     * @param string $scope               - (optional) Scopes to be stored in space-separated string.
+     * @param bool   $includeRefreshToken - If true, a new refresh_token will be added to the response
+     * @return array                      - The access token
      *
      * @see http://tools.ietf.org/html/rfc6749#section-5
      * @ingroup oauth2_section_5
      */
     public function createAccessToken($client_id, $user_id, $scope = null, $includeRefreshToken = true)
     {
-        // token to encrypt
-        $expires = time() + $this->config['access_lifetime'];
-        $id = $this->generateAccessToken();
-        $jwtAccessToken = array(
-            'id'         => $id, // for BC (see #591)
-            'jti'        => $id,
-            'iss'        => $this->config['issuer'],
-            'aud'        => $client_id,
-            'sub'        => $user_id,
-            'exp'        => $expires,
-            'iat'        => time(),
-            'token_type' => $this->config['token_type'],
-            'scope'      => $scope
-        );
+        // payload to encrypt
+        $payload = $this->createPayload($client_id, $user_id, $scope);
 
         /*
-         * Encode the token data into a single access_token string
+         * Encode the payload data into a single JWT access_token string
          */
-        $access_token = $this->encodeToken($jwtAccessToken, $client_id);
+        $access_token = $this->encodeToken($payload, $client_id);
 
         /*
          * Save the token to a secondary storage.  This is implemented on the
          * OAuth2\Storage\JwtAccessToken side, and will not actually store anything,
          * if no secondary storage has been supplied
          */
-        $token_to_store = $this->config['store_encrypted_token_string'] ? $access_token : $jwtAccessToken['id'];
+        $token_to_store = $this->config['store_encrypted_token_string'] ? $access_token : $payload['id'];
         $this->tokenStorage->setAccessToken($token_to_store, $client_id, $user_id, $this->config['access_lifetime'] ? time() + $this->config['access_lifetime'] : null, $scope);
 
         // token to return to the client
@@ -114,6 +101,11 @@ class JwtAccessToken extends AccessToken
         return $token;
     }
 
+    /**
+     * @param array $token
+     * @param mixed $client_id
+     * @return mixed
+     */
     protected function encodeToken(array $token, $client_id = null)
     {
         $private_key = $this->publicKeyStorage->getPrivateKey($client_id);
@@ -121,4 +113,31 @@ class JwtAccessToken extends AccessToken
 
         return $this->encryptionUtil->encode($token, $private_key, $algorithm);
     }
+
+    /**
+     * This function can be used to create custom JWT payloads
+     *
+     * @param mixed  $client_id           - Client identifier related to the access token.
+     * @param mixed  $user_id             - User ID associated with the access token
+     * @param string $scope               - (optional) Scopes to be stored in space-separated string.
+     * @return array                      - The access token
+     */
+    protected function createPayload($client_id, $user_id, $scope = null)
+    {
+        // token to encrypt
+        $expires = time() + $this->config['access_lifetime'];
+        $id = $this->generateAccessToken();
+
+        return array(
+            'id'         => $id, // for BC (see #591)
+            'jti'        => $id,
+            'iss'        => $this->config['issuer'],
+            'aud'        => $client_id,
+            'sub'        => $user_id,
+            'exp'        => $expires,
+            'iat'        => time(),
+            'token_type' => $this->config['token_type'],
+            'scope'      => $scope
+        );
+    }
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/ResponseTypeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/ResponseTypeInterface.php
index f8e26a5b0..a27156580 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/ResponseTypeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ResponseType/ResponseTypeInterface.php
@@ -4,5 +4,10 @@ namespace OAuth2\ResponseType;
 
 interface ResponseTypeInterface
 {
+    /**
+     * @param array $params
+     * @param mixed $user_id
+     * @return mixed
+     */
     public function getAuthorizeResponse($params, $user_id = null);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Scope.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Scope.php
index c44350bfd..3ba6e5328 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Scope.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Scope.php
@@ -2,19 +2,23 @@
 
 namespace OAuth2;
 
+use InvalidArgumentException;
 use OAuth2\Storage\Memory;
 use OAuth2\Storage\ScopeInterface as ScopeStorageInterface;
 
 /**
-* @see OAuth2\ScopeInterface
+* @see ScopeInterface
 */
 class Scope implements ScopeInterface
 {
     protected $storage;
 
     /**
-     * @param mixed @storage
-     * Either an array of supported scopes, or an instance of OAuth2\Storage\ScopeInterface
+     * Constructor
+     *
+     * @param mixed $storage - Either an array of supported scopes, or an instance of OAuth2\Storage\ScopeInterface
+     *
+     * @throws InvalidArgumentException
      */
     public function __construct($storage = null)
     {
@@ -23,7 +27,7 @@ class Scope implements ScopeInterface
         }
 
         if (!$storage instanceof ScopeStorageInterface) {
-            throw new \InvalidArgumentException("Argument 1 to OAuth2\Scope must be null, an array, or instance of OAuth2\Storage\ScopeInterface");
+            throw new InvalidArgumentException("Argument 1 to OAuth2\Scope must be null, an array, or instance of OAuth2\Storage\ScopeInterface");
         }
 
         $this->storage = $storage;
@@ -32,12 +36,10 @@ class Scope implements ScopeInterface
     /**
      * Check if everything in required scope is contained in available scope.
      *
-     * @param $required_scope
-     * A space-separated string of scopes.
-     *
-     * @return
-     * TRUE if everything in required scope is contained in available scope,
-     * and FALSE if it isn't.
+     * @param string $required_scope  - A space-separated string of scopes.
+     * @param string $available_scope - A space-separated string of scopes.
+     * @return bool                   - TRUE if everything in required scope is contained in available scope and FALSE
+     *                                  if it isn't.
      *
      * @see http://tools.ietf.org/html/rfc6749#section-7
      *
@@ -54,11 +56,8 @@ class Scope implements ScopeInterface
     /**
      * Check if the provided scope exists in storage.
      *
-     * @param $scope
-     * A space-separated string of scopes.
-     *
-     * @return
-     * TRUE if it exists, FALSE otherwise.
+     * @param string $scope - A space-separated string of scopes.
+     * @return bool         - TRUE if it exists, FALSE otherwise.
      */
     public function scopeExists($scope)
     {
@@ -76,12 +75,20 @@ class Scope implements ScopeInterface
         }
     }
 
+    /**
+     * @param RequestInterface $request
+     * @return string
+     */
     public function getScopeFromRequest(RequestInterface $request)
     {
         // "scope" is valid if passed in either POST or QUERY
         return $request->request('scope', $request->query('scope'));
     }
 
+    /**
+     * @param null $client_id
+     * @return mixed
+     */
     public function getDefaultScope($client_id = null)
     {
         return $this->storage->getDefaultScope($client_id);
@@ -93,8 +100,7 @@ class Scope implements ScopeInterface
      * In case OpenID Connect is used, these scopes must include:
      * 'openid', offline_access'.
      *
-     * @return
-     * An array of reserved scopes.
+     * @return array - An array of reserved scopes.
      */
     public function getReservedScopes()
     {
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ScopeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ScopeInterface.php
index 5b60f9aee..f65cfa7bd 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/ScopeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/ScopeInterface.php
@@ -7,19 +7,17 @@ use OAuth2\Storage\ScopeInterface as ScopeStorageInterface;
 /**
  * Class to handle scope implementation logic
  *
- * @see OAuth2\Storage\ScopeInterface
+ * @see \OAuth2\Storage\ScopeInterface
  */
 interface ScopeInterface extends ScopeStorageInterface
 {
     /**
      * Check if everything in required scope is contained in available scope.
      *
-     * @param $required_scope
-     * A space-separated string of scopes.
-     *
-     * @return
-     * TRUE if everything in required scope is contained in available scope,
-     * and FALSE if it isn't.
+     * @param string $required_scope  - A space-separated string of scopes.
+     * @param string $available_scope - A space-separated string of scopes.
+     * @return boolean                - TRUE if everything in required scope is contained in available scope and FALSE
+     *                                  if it isn't.
      *
      * @see http://tools.ietf.org/html/rfc6749#section-7
      *
@@ -30,11 +28,8 @@ interface ScopeInterface extends ScopeStorageInterface
     /**
      * Return scope info from request
      *
-     * @param OAuth2\RequestInterface
-     * Request object to check
-     *
-     * @return
-     * string representation of requested scope
+     * @param RequestInterface $request - Request object to check
+     * @return string                   - representation of requested scope
      */
     public function getScopeFromRequest(RequestInterface $request);
 }
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Server.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Server.php
index 9cfcb83a5..62ae8970d 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Server.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Server.php
@@ -30,25 +30,28 @@ use OAuth2\GrantType\UserCredentials;
 use OAuth2\GrantType\ClientCredentials;
 use OAuth2\GrantType\RefreshToken;
 use OAuth2\GrantType\AuthorizationCode;
+use OAuth2\Storage\ClientCredentialsInterface;
+use OAuth2\Storage\ClientInterface;
 use OAuth2\Storage\JwtAccessToken as JwtAccessTokenStorage;
 use OAuth2\Storage\JwtAccessTokenInterface;
+use InvalidArgumentException;
+use LogicException;
 
 /**
 * Server class for OAuth2
 * This class serves as a convience class which wraps the other Controller classes
 *
-* @see OAuth2\Controller\ResourceController
-* @see OAuth2\Controller\AuthorizeController
-* @see OAuth2\Controller\TokenController
+* @see \OAuth2\Controller\ResourceController
+* @see \OAuth2\Controller\AuthorizeController
+* @see \OAuth2\Controller\TokenController
 */
 class Server implements ResourceControllerInterface,
     AuthorizeControllerInterface,
     TokenControllerInterface,
     UserInfoControllerInterface
 {
-    // misc properties
     /**
-     * @var Response
+     * @var ResponseInterface
      */
     protected $response;
 
@@ -62,7 +65,6 @@ class Server implements ResourceControllerInterface,
      */
     protected $storages;
 
-    // servers
     /**
      * @var AuthorizeControllerInterface
      */
@@ -83,17 +85,34 @@ class Server implements ResourceControllerInterface,
      */
     protected $userInfoController;
 
-    // config classes
-    protected $grantTypes;
-    protected $responseTypes;
+    /**
+     * @var array
+     */
+    protected $grantTypes = [];
+
+    /**
+     * @var array
+     */
+    protected $responseTypes = [];
+
+    /**
+     * @var TokenTypeInterface
+     */
     protected $tokenType;
 
     /**
      * @var ScopeInterface
      */
     protected $scopeUtil;
+
+    /**
+     * @var ClientAssertionTypeInterface
+     */
     protected $clientAssertionType;
 
+    /**
+     * @var array
+     */
     protected $storageMap = array(
         'access_token' => 'OAuth2\Storage\AccessTokenInterface',
         'authorization_code' => 'OAuth2\Storage\AuthorizationCodeInterface',
@@ -107,6 +126,9 @@ class Server implements ResourceControllerInterface,
         'scope' => 'OAuth2\Storage\ScopeInterface',
     );
 
+    /**
+     * @var array
+     */
     protected $responseTypeMap = array(
         'token' => 'OAuth2\ResponseType\AccessTokenInterface',
         'code' => 'OAuth2\ResponseType\AuthorizationCodeInterface',
@@ -116,15 +138,15 @@ class Server implements ResourceControllerInterface,
     );
 
     /**
-     * @param mixed                                                   $storage             (array or OAuth2\Storage) - single object or array of objects implementing the
-     *                                                                                     required storage types (ClientCredentialsInterface and AccessTokenInterface as a minimum)
-     * @param array                                                   $config              specify a different token lifetime, token header name, etc
-     * @param array                                                   $grantTypes          An array of OAuth2\GrantType\GrantTypeInterface to use for granting access tokens
-     * @param array                                                   $responseTypes       Response types to use.  array keys should be "code" and and "token" for
-     *                                                                                     Access Token and Authorization Code response types
-     * @param \OAuth2\TokenType\TokenTypeInterface                     $tokenType           The token type object to use. Valid token types are "bearer" and "mac"
-     * @param \OAuth2\ScopeInterface                                   $scopeUtil           The scope utility class to use to validate scope
-     * @param \OAuth2\ClientAssertionType\ClientAssertionTypeInterface $clientAssertionType The method in which to verify the client identity.  Default is HttpBasic
+     * @param mixed                        $storage             (array or OAuth2\Storage) - single object or array of objects implementing the
+     *                                                          required storage types (ClientCredentialsInterface and AccessTokenInterface as a minimum)
+     * @param array                        $config              specify a different token lifetime, token header name, etc
+     * @param array                        $grantTypes          An array of OAuth2\GrantType\GrantTypeInterface to use for granting access tokens
+     * @param array                        $responseTypes       Response types to use. array keys should be "code" and "token" for
+     *                                                          Access Token and Authorization Code response types
+     * @param TokenTypeInterface           $tokenType           The token type object to use. Valid token types are "bearer" and "mac"
+     * @param ScopeInterface               $scopeUtil           The scope utility class to use to validate scope
+     * @param ClientAssertionTypeInterface $clientAssertionType The method in which to verify the client identity.  Default is HttpBasic
      *
      * @ingroup oauth2_section_7
      */
@@ -172,6 +194,9 @@ class Server implements ResourceControllerInterface,
         }
     }
 
+    /**
+     * @return AuthorizeControllerInterface
+     */
     public function getAuthorizeController()
     {
         if (is_null($this->authorizeController)) {
@@ -181,6 +206,9 @@ class Server implements ResourceControllerInterface,
         return $this->authorizeController;
     }
 
+    /**
+     * @return TokenController
+     */
     public function getTokenController()
     {
         if (is_null($this->tokenController)) {
@@ -190,6 +218,9 @@ class Server implements ResourceControllerInterface,
         return $this->tokenController;
     }
 
+    /**
+     * @return ResourceControllerInterface
+     */
     public function getResourceController()
     {
         if (is_null($this->resourceController)) {
@@ -199,6 +230,9 @@ class Server implements ResourceControllerInterface,
         return $this->resourceController;
     }
 
+    /**
+     * @return UserInfoControllerInterface
+     */
     public function getUserInfoController()
     {
         if (is_null($this->userInfoController)) {
@@ -209,8 +243,6 @@ class Server implements ResourceControllerInterface,
     }
 
     /**
-     * every getter deserves a setter
-     *
      * @param AuthorizeControllerInterface $authorizeController
      */
     public function setAuthorizeController(AuthorizeControllerInterface $authorizeController)
@@ -219,8 +251,6 @@ class Server implements ResourceControllerInterface,
     }
 
     /**
-     * every getter deserves a setter
-     *
      * @param TokenControllerInterface $tokenController
      */
     public function setTokenController(TokenControllerInterface $tokenController)
@@ -229,8 +259,6 @@ class Server implements ResourceControllerInterface,
     }
 
     /**
-     * every getter deserves a setter
-     *
      * @param ResourceControllerInterface $resourceController
      */
     public function setResourceController(ResourceControllerInterface $resourceController)
@@ -239,8 +267,6 @@ class Server implements ResourceControllerInterface,
     }
 
     /**
-     * every getter deserves a setter
-     *
      * @param UserInfoControllerInterface $userInfoController
      */
     public function setUserInfoController(UserInfoControllerInterface $userInfoController)
@@ -252,12 +278,8 @@ class Server implements ResourceControllerInterface,
      * Return claims about the authenticated end-user.
      * This would be called from the "/UserInfo" endpoint as defined in the spec.
      *
-     * @param $request - \OAuth2\RequestInterface
-     * Request object to grant access token
-     *
-     * @param $response - \OAuth2\ResponseInterface
-     * Response object containing error messages (failure) or user claims (success)
-     *
+     * @param RequestInterface  $request  - Request object to grant access token
+     * @param ResponseInterface $response - Response object containing error messages (failure) or user claims (success)
      * @return ResponseInterface
      *
      * @throws \InvalidArgumentException
@@ -278,12 +300,8 @@ class Server implements ResourceControllerInterface,
      * This would be called from the "/token" endpoint as defined in the spec.
      * Obviously, you can call your endpoint whatever you want.
      *
-     * @param $request - \OAuth2\RequestInterface
-     * Request object to grant access token
-     *
-     * @param $response - \OAuth2\ResponseInterface
-     * Response object containing error messages (failure) or access token (success)
-     *
+     * @param RequestInterface $request   - Request object to grant access token
+     * @param ResponseInterface $response - Response object containing error messages (failure) or access token (success)
      * @return ResponseInterface
      *
      * @throws \InvalidArgumentException
@@ -303,6 +321,11 @@ class Server implements ResourceControllerInterface,
         return $this->response;
     }
 
+    /**
+     * @param RequestInterface  $request  - Request object to grant access token
+     * @param ResponseInterface $response - Response object
+     * @return mixed
+     */
     public function grantAccessToken(RequestInterface $request, ResponseInterface $response = null)
     {
         $this->response = is_null($response) ? new Response() : $response;
@@ -336,25 +359,18 @@ class Server implements ResourceControllerInterface,
      * authorization server should call this function to redirect the user
      * appropriately.
      *
-     * @param $request
-     * The request should have the follow parameters set in the querystring:
-     * - response_type: The requested response: an access token, an
-     * authorization code, or both.
+     * @param RequestInterface  $request - The request should have the follow parameters set in the querystring:
+     * - response_type: The requested response: an access token, an authorization code, or both.
      * - client_id: The client identifier as described in Section 2.
-     * - redirect_uri: An absolute URI to which the authorization server
-     * will redirect the user-agent to when the end-user authorization
-     * step is completed.
-     * - scope: (optional) The scope of the resource request expressed as a
-     * list of space-delimited strings.
-     * - state: (optional) An opaque value used by the client to maintain
-     * state between the request and callback.
-     * @param ResponseInterface $response
-     * @param $is_authorized
-     * TRUE or FALSE depending on whether the user authorized the access.
-     * @param $user_id
-     * Identifier of user who authorized the client
+     * - redirect_uri: An absolute URI to which the authorization server will redirect the user-agent to when the
+     *   end-user authorization step is completed.
+     * - scope: (optional) The scope of the resource request expressed as a list of space-delimited strings.
+     * - state: (optional) An opaque value used by the client to maintain state between the request and callback.
      *
-     * @return Response
+     * @param ResponseInterface $response      - Response object
+     * @param bool              $is_authorized - TRUE or FALSE depending on whether the user authorized the access.
+     * @param mixed             $user_id       - Identifier of user who authorized the client
+     * @return ResponseInterface
      *
      * @see http://tools.ietf.org/html/rfc6749#section-4
      *
@@ -371,14 +387,17 @@ class Server implements ResourceControllerInterface,
     /**
      * Pull the authorization request data out of the HTTP request.
      * - The redirect_uri is OPTIONAL as per draft 20. But your implementation can enforce it
-     * by setting $config['enforce_redirect'] to true.
+     *   by setting $config['enforce_redirect'] to true.
      * - The state is OPTIONAL but recommended to enforce CSRF. Draft 21 states, however, that
-     * CSRF protection is MANDATORY. You can enforce this by setting the $config['enforce_state'] to true.
+     *   CSRF protection is MANDATORY. You can enforce this by setting the $config['enforce_state'] to true.
      *
      * The draft specifies that the parameters should be retrieved from GET, override the Response
      * object to change this
      *
-     * @return
+     * @param RequestInterface  $request  - Request object
+     * @param ResponseInterface $response - Response object
+     * @return bool
+     *
      * The authorization parameters so the authorization server can prompt
      * the user for approval if valid.
      *
@@ -395,6 +414,12 @@ class Server implements ResourceControllerInterface,
         return $value;
     }
 
+    /**
+     * @param RequestInterface  $request  - Request object
+     * @param ResponseInterface $response - Response object
+     * @param string            $scope    - Scope
+     * @return mixed
+     */
     public function verifyResourceRequest(RequestInterface $request, ResponseInterface $response = null, $scope = null)
     {
         $this->response = is_null($response) ? new Response() : $response;
@@ -403,6 +428,11 @@ class Server implements ResourceControllerInterface,
         return $value;
     }
 
+    /**
+     * @param RequestInterface  $request  - Request object
+     * @param ResponseInterface $response - Response object
+     * @return mixed
+     */
     public function getAccessTokenData(RequestInterface $request, ResponseInterface $response = null)
     {
         $this->response = is_null($response) ? new Response() : $response;
@@ -411,10 +441,14 @@ class Server implements ResourceControllerInterface,
         return $value;
     }
 
+    /**
+     * @param GrantTypeInterface $grantType
+     * @param mixed              $identifier
+     */
     public function addGrantType(GrantTypeInterface $grantType, $identifier = null)
     {
         if (!is_string($identifier)) {
-            $identifier = $grantType->getQuerystringIdentifier();
+            $identifier = $grantType->getQueryStringIdentifier();
         }
 
         $this->grantTypes[$identifier] = $grantType;
@@ -428,11 +462,10 @@ class Server implements ResourceControllerInterface,
     /**
      * Set a storage object for the server
      *
-     * @param $storage
-     * An object implementing one of the Storage interfaces
-     * @param $key
-     * If null, the storage is set to the key of each storage interface it implements
+     * @param object $storage - An object implementing one of the Storage interfaces
+     * @param mixed $key - If null, the storage is set to the key of each storage interface it implements
      *
+     * @throws InvalidArgumentException
      * @see storageMap
      */
     public function addStorage($storage, $key = null)
@@ -446,11 +479,11 @@ class Server implements ResourceControllerInterface,
 
             // special logic to handle "client" and "client_credentials" strangeness
             if ($key === 'client' && !isset($this->storages['client_credentials'])) {
-                if ($storage instanceof \OAuth2\Storage\ClientCredentialsInterface) {
+                if ($storage instanceof ClientCredentialsInterface) {
                     $this->storages['client_credentials'] = $storage;
                 }
             } elseif ($key === 'client_credentials' && !isset($this->storages['client'])) {
-                if ($storage instanceof \OAuth2\Storage\ClientInterface) {
+                if ($storage instanceof ClientInterface) {
                     $this->storages['client'] = $storage;
                 }
             }
@@ -471,6 +504,12 @@ class Server implements ResourceControllerInterface,
         }
     }
 
+    /**
+     * @param ResponseTypeInterface $responseType
+     * @param mixed                 $key
+     *
+     * @throws InvalidArgumentException
+     */
     public function addResponseType(ResponseTypeInterface $responseType, $key = null)
     {
         $key = $this->normalizeResponseType($key);
@@ -497,6 +536,9 @@ class Server implements ResourceControllerInterface,
         }
     }
 
+    /**
+     * @return ScopeInterface
+     */
     public function getScopeUtil()
     {
         if (!$this->scopeUtil) {
@@ -508,8 +550,6 @@ class Server implements ResourceControllerInterface,
     }
 
     /**
-     * every getter deserves a setter
-     *
      * @param ScopeInterface $scopeUtil
      */
     public function setScopeUtil($scopeUtil)
@@ -517,6 +557,10 @@ class Server implements ResourceControllerInterface,
         $this->scopeUtil = $scopeUtil;
     }
 
+    /**
+     * @return AuthorizeControllerInterface
+     * @throws LogicException
+     */
     protected function createDefaultAuthorizeController()
     {
         if (!isset($this->storages['client'])) {
@@ -541,6 +585,10 @@ class Server implements ResourceControllerInterface,
         return new AuthorizeController($this->storages['client'], $this->responseTypes, $config, $this->getScopeUtil());
     }
 
+    /**
+     * @return TokenControllerInterface
+     * @throws LogicException
+     */
     protected function createDefaultTokenController()
     {
         if (0 == count($this->grantTypes)) {
@@ -562,7 +610,7 @@ class Server implements ResourceControllerInterface,
         }
 
         if (!isset($this->storages['client'])) {
-            throw new \LogicException('You must supply a storage object implementing OAuth2\Storage\ClientInterface to use the token server');
+            throw new LogicException("You must supply a storage object implementing OAuth2\Storage\ClientInterface to use the token server");
         }
 
         $accessTokenResponseType = $this->getAccessTokenResponseType();
@@ -570,6 +618,10 @@ class Server implements ResourceControllerInterface,
         return new TokenController($accessTokenResponseType, $this->storages['client'], $this->grantTypes, $this->clientAssertionType, $this->getScopeUtil());
     }
 
+    /**
+     * @return ResourceControllerInterface
+     * @throws LogicException
+     */
     protected function createDefaultResourceController()
     {
         if ($this->config['use_jwt_access_tokens']) {
@@ -590,6 +642,10 @@ class Server implements ResourceControllerInterface,
         return new ResourceController($this->tokenType, $this->storages['access_token'], $config, $this->getScopeUtil());
     }
 
+    /**
+     * @return UserInfoControllerInterface
+     * @throws LogicException
+     */
     protected function createDefaultUserInfoController()
     {
         if ($this->config['use_jwt_access_tokens']) {
@@ -614,6 +670,9 @@ class Server implements ResourceControllerInterface,
         return new UserInfoController($this->tokenType, $this->storages['access_token'], $this->storages['user_claims'], $config, $this->getScopeUtil());
     }
 
+    /**
+     * @return Bearer
+     */
     protected function getDefaultTokenType()
     {
         $config = array_intersect_key($this->config, array_flip(explode(' ', 'token_param_name token_bearer_header_name')));
@@ -621,6 +680,10 @@ class Server implements ResourceControllerInterface,
         return new Bearer($config);
     }
 
+    /**
+     * @return array
+     * @throws LogicException
+     */
     protected function getDefaultResponseTypes()
     {
         $responseTypes = array();
@@ -656,6 +719,10 @@ class Server implements ResourceControllerInterface,
         return $responseTypes;
     }
 
+    /**
+     * @return array
+     * @throws LogicException
+     */
     protected function getDefaultGrantTypes()
     {
         $grantTypes = array();
@@ -692,6 +759,9 @@ class Server implements ResourceControllerInterface,
         return $grantTypes;
     }
 
+    /**
+     * @return AccessToken
+     */
     protected function getAccessTokenResponseType()
     {
         if (isset($this->responseTypes['token'])) {
@@ -705,6 +775,9 @@ class Server implements ResourceControllerInterface,
         return $this->createDefaultAccessTokenResponseType();
     }
 
+    /**
+     * @return IdToken
+     */
     protected function getIdTokenResponseType()
     {
         if (isset($this->responseTypes['id_token'])) {
@@ -714,6 +787,9 @@ class Server implements ResourceControllerInterface,
         return $this->createDefaultIdTokenResponseType();
     }
 
+    /**
+     * @return IdTokenToken
+     */
     protected function getIdTokenTokenResponseType()
     {
         if (isset($this->responseTypes['id_token token'])) {
@@ -725,6 +801,9 @@ class Server implements ResourceControllerInterface,
 
     /**
      * For Resource Controller
+     *
+     * @return JwtAccessTokenStorage
+     * @throws LogicException
      */
     protected function createDefaultJwtAccessTokenStorage()
     {
@@ -741,6 +820,9 @@ class Server implements ResourceControllerInterface,
 
     /**
      * For Authorize and Token Controllers
+     *
+     * @return JwtAccessToken
+     * @throws LogicException
      */
     protected function createDefaultJwtAccessTokenResponseType()
     {
@@ -763,10 +845,14 @@ class Server implements ResourceControllerInterface,
         return new JwtAccessToken($this->storages['public_key'], $tokenStorage, $refreshStorage, $config);
     }
 
+    /**
+     * @return AccessToken
+     * @throws LogicException
+     */
     protected function createDefaultAccessTokenResponseType()
     {
         if (!isset($this->storages['access_token'])) {
-            throw new \LogicException('You must supply a response type implementing OAuth2\ResponseType\AccessTokenInterface, or a storage object implementing OAuth2\Storage\AccessTokenInterface to use the token server');
+            throw new LogicException("You must supply a response type implementing OAuth2\ResponseType\AccessTokenInterface, or a storage object implementing OAuth2\Storage\AccessTokenInterface to use the token server");
         }
 
         $refreshStorage = null;
@@ -780,13 +866,17 @@ class Server implements ResourceControllerInterface,
         return new AccessToken($this->storages['access_token'], $refreshStorage, $config);
     }
 
+    /**
+     * @return IdToken
+     * @throws LogicException
+     */
     protected function createDefaultIdTokenResponseType()
     {
         if (!isset($this->storages['user_claims'])) {
-            throw new \LogicException('You must supply a storage object implementing OAuth2\OpenID\Storage\UserClaimsInterface to use openid connect');
+            throw new LogicException("You must supply a storage object implementing OAuth2\OpenID\Storage\UserClaimsInterface to use openid connect");
         }
         if (!isset($this->storages['public_key'])) {
-            throw new \LogicException('You must supply a storage object implementing OAuth2\Storage\PublicKeyInterface to use openid connect');
+            throw new LogicException("You must supply a storage object implementing OAuth2\Storage\PublicKeyInterface to use openid connect");
         }
 
         $config = array_intersect_key($this->config, array_flip(explode(' ', 'issuer id_lifetime')));
@@ -794,11 +884,17 @@ class Server implements ResourceControllerInterface,
         return new IdToken($this->storages['user_claims'], $this->storages['public_key'], $config);
     }
 
+    /**
+     * @return IdTokenToken
+     */
     protected function createDefaultIdTokenTokenResponseType()
     {
         return new IdTokenToken($this->getAccessTokenResponseType(), $this->getIdTokenResponseType());
     }
 
+    /**
+     * @throws InvalidArgumentException
+     */
     protected function validateOpenIdConnect()
     {
         $authCodeGrant = $this->getGrantType('authorization_code');
@@ -807,6 +903,10 @@ class Server implements ResourceControllerInterface,
         }
     }
 
+    /**
+     * @param string $name
+     * @return string
+     */
     protected function normalizeResponseType($name)
     {
         // for multiple-valued response types - make them alphabetical
@@ -819,36 +919,60 @@ class Server implements ResourceControllerInterface,
         return $name;
     }
 
+    /**
+     * @return mixed
+     */
     public function getResponse()
     {
         return $this->response;
     }
 
+    /**
+     * @return array
+     */
     public function getStorages()
     {
         return $this->storages;
     }
 
+    /**
+     * @param string $name
+     * @return object|null
+     */
     public function getStorage($name)
     {
         return isset($this->storages[$name]) ? $this->storages[$name] : null;
     }
 
+    /**
+     * @return array
+     */
     public function getGrantTypes()
     {
         return $this->grantTypes;
     }
 
+    /**
+     * @param string $name
+     * @return object|null
+     */
     public function getGrantType($name)
     {
         return isset($this->grantTypes[$name]) ? $this->grantTypes[$name] : null;
     }
 
+    /**
+     * @return array
+     */
     public function getResponseTypes()
     {
         return $this->responseTypes;
     }
 
+    /**
+     * @param string $name
+     * @return object|null
+     */
     public function getResponseType($name)
     {
         // for multiple-valued response types - make them alphabetical
@@ -857,23 +981,38 @@ class Server implements ResourceControllerInterface,
         return isset($this->responseTypes[$name]) ? $this->responseTypes[$name] : null;
     }
 
+    /**
+     * @return TokenTypeInterface
+     */
     public function getTokenType()
     {
         return $this->tokenType;
     }
 
+    /**
+     * @return ClientAssertionTypeInterface
+     */
     public function getClientAssertionType()
     {
         return $this->clientAssertionType;
     }
 
+    /**
+     * @param string $name
+     * @param mixed $value
+     */
     public function setConfig($name, $value)
     {
         $this->config[$name] = $value;
     }
 
+    /**
+     * @param string $name
+     * @param mixed $default
+     * @return mixed
+     */
     public function getConfig($name, $default = null)
     {
         return isset($this->config[$name]) ? $this->config[$name] : $default;
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AccessTokenInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AccessTokenInterface.php
index 1819158af..22428f2c8 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AccessTokenInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AccessTokenInterface.php
@@ -15,17 +15,18 @@ interface AccessTokenInterface
      *
      * We need to retrieve access token data as we create and verify tokens.
      *
-     * @param $oauth_token
-     * oauth_token to be check with.
+     * @param string $oauth_token - oauth_token to be check with.
      *
-     * @return
-     * An associative array as below, and return NULL if the supplied oauth_token
-     * is invalid:
-     * - expires: Stored expiration in unix timestamp.
-     * - client_id: (optional) Stored client identifier.
-     * - user_id: (optional) Stored user identifier.
-     * - scope: (optional) Stored scope values in space-separated string.
-     * - id_token: (optional) Stored id_token (if "use_openid_connect" is true).
+     * @return array|null - An associative array as below, and return NULL if the supplied oauth_token is invalid:
+     * @code
+     *     array(
+     *         'expires'   => $expires,   // Stored expiration in unix timestamp.
+     *         'client_id' => $client_id, // (optional) Stored client identifier.
+     *         'user_id'   => $user_id,   // (optional) Stored user identifier.
+     *         'scope'     => $scope,     // (optional) Stored scope values in space-separated string.
+     *         'id_token'  => $id_token   // (optional) Stored id_token (if "use_openid_connect" is true).
+     *     );
+     * @endcode
      *
      * @ingroup oauth2_section_7
      */
@@ -36,11 +37,11 @@ interface AccessTokenInterface
      *
      * We need to store access token data as we create and verify tokens.
      *
-     * @param $oauth_token    oauth_token to be stored.
-     * @param $client_id      client identifier to be stored.
-     * @param $user_id        user identifier to be stored.
-     * @param int    $expires expiration to be stored as a Unix timestamp.
-     * @param string $scope   OPTIONAL Scopes to be stored in space-separated string.
+     * @param string $oauth_token - oauth_token to be stored.
+     * @param mixed  $client_id   - client identifier to be stored.
+     * @param mixed  $user_id     - user identifier to be stored.
+     * @param int    $expires     - expiration to be stored as a Unix timestamp.
+     * @param string $scope       - OPTIONAL Scopes to be stored in space-separated string.
      *
      * @ingroup oauth2_section_4
      */
@@ -61,4 +62,4 @@ interface AccessTokenInterface
      * @todo v2.0 include this method in interface. Omitted to maintain BC in v1.x
      */
     //public function unsetAccessToken($access_token);
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AuthorizationCodeInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AuthorizationCodeInterface.php
index edc7c70e5..2dbc138ac 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AuthorizationCodeInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/AuthorizationCodeInterface.php
@@ -59,12 +59,12 @@ interface AuthorizationCodeInterface
      *
      * Required for OAuth2::GRANT_TYPE_AUTH_CODE.
      *
-     * @param string $code         Authorization code to be stored.
-     * @param mixed  $client_id    Client identifier to be stored.
-     * @param mixed  $user_id      User identifier to be stored.
-     * @param string $redirect_uri Redirect URI(s) to be stored in a space-separated string.
-     * @param int    $expires      Expiration to be stored as a Unix timestamp.
-     * @param string $scope        OPTIONAL Scopes to be stored in space-separated string.
+     * @param string $code         - Authorization code to be stored.
+     * @param mixed  $client_id    - Client identifier to be stored.
+     * @param mixed  $user_id      - User identifier to be stored.
+     * @param string $redirect_uri - Redirect URI(s) to be stored in a space-separated string.
+     * @param int    $expires      - Expiration to be stored as a Unix timestamp.
+     * @param string $scope        - OPTIONAL Scopes to be stored in space-separated string.
      *
      * @ingroup oauth2_section_4
      */
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Cassandra.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Cassandra.php
index c5048c08d..e60e9d3ad 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Cassandra.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Cassandra.php
@@ -7,24 +7,25 @@ use phpcassa\ColumnSlice;
 use phpcassa\Connection\ConnectionPool;
 use OAuth2\OpenID\Storage\UserClaimsInterface;
 use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
+use InvalidArgumentException;
 
 /**
  * Cassandra storage for all storage types
  *
- * To use, install "thobbs/phpcassa" via composer
+ * To use, install "thobbs/phpcassa" via composer:
  * <code>
- *  composer require thobbs/phpcassa:dev-master
+ *     composer require thobbs/phpcassa:dev-master
  * </code>
  *
- * Once this is done, instantiate the
+ * Once this is done, instantiate the connection:
  * <code>
- *  $cassandra = new \phpcassa\Connection\ConnectionPool('oauth2_server', array('127.0.0.1:9160'));
+ *     $cassandra = new \phpcassa\Connection\ConnectionPool('oauth2_server', array('127.0.0.1:9160'));
  * </code>
  *
  * Then, register the storage client:
  * <code>
- *  $storage = new OAuth2\Storage\Cassandra($cassandra);
- *  $storage->setClientDetails($client_id, $client_secret, $redirect_uri);
+ *     $storage = new OAuth2\Storage\Cassandra($cassandra);
+ *     $storage->setClientDetails($client_id, $client_secret, $redirect_uri);
  * </code>
  *
  * @see test/lib/OAuth2/Storage/Bootstrap::getCassandraStorage
@@ -43,17 +44,23 @@ class Cassandra implements AuthorizationCodeInterface,
 
     private $cache;
 
-    /* The cassandra client */
+    /**
+     * @var ConnectionPool
+     */
     protected $cassandra;
 
-    /* Configuration array */
+    /**
+     * @var array
+     */
     protected $config;
 
     /**
      * Cassandra Storage! uses phpCassa
      *
-     * @param \phpcassa\ConnectionPool $cassandra
-     * @param array                    $config
+     * @param ConnectionPool|array $connection
+     * @param array                $config
+     *
+     * @throws InvalidArgumentException
      */
     public function __construct($connection = array(), array $config = array())
     {
@@ -61,7 +68,7 @@ class Cassandra implements AuthorizationCodeInterface,
             $this->cassandra = $connection;
         } else {
             if (!is_array($connection)) {
-                throw new \InvalidArgumentException('First argument to OAuth2\Storage\Cassandra must be an instance of phpcassa\Connection\ConnectionPool or a configuration array');
+                throw new InvalidArgumentException('First argument to OAuth2\Storage\Cassandra must be an instance of phpcassa\Connection\ConnectionPool or a configuration array');
             }
             $connection = array_merge(array(
                 'keyspace' => 'oauth2',
@@ -87,6 +94,10 @@ class Cassandra implements AuthorizationCodeInterface,
         ), $config);
     }
 
+    /**
+     * @param $key
+     * @return bool|mixed
+     */
     protected function getValue($key)
     {
         if (isset($this->cache[$key])) {
@@ -104,6 +115,12 @@ class Cassandra implements AuthorizationCodeInterface,
         return json_decode($value, true);
     }
 
+    /**
+     * @param $key
+     * @param $value
+     * @param int $expire
+     * @return bool
+     */
     protected function setValue($key, $value, $expire = 0)
     {
         $this->cache[$key] = $value;
@@ -131,6 +148,10 @@ class Cassandra implements AuthorizationCodeInterface,
         return true;
     }
 
+    /**
+     * @param $key
+     * @return bool
+     */
     protected function expireValue($key)
     {
         unset($this->cache[$key]);
@@ -151,12 +172,25 @@ class Cassandra implements AuthorizationCodeInterface,
         return false;
     }
 
-    /* AuthorizationCodeInterface */
+    /**
+     * @param string $code
+     * @return bool|mixed
+     */
     public function getAuthorizationCode($code)
     {
         return $this->getValue($this->config['code_key'] . $code);
     }
 
+    /**
+     * @param string $authorization_code
+     * @param mixed  $client_id
+     * @param mixed  $user_id
+     * @param string $redirect_uri
+     * @param int    $expires
+     * @param string $scope
+     * @param string $id_token
+     * @return bool
+     */
     public function setAuthorizationCode($authorization_code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
     {
         return $this->setValue(
@@ -166,6 +200,10 @@ class Cassandra implements AuthorizationCodeInterface,
         );
     }
 
+    /**
+     * @param string $code
+     * @return bool
+     */
     public function expireAuthorizationCode($code)
     {
         $key = $this->config['code_key'] . $code;
@@ -174,7 +212,11 @@ class Cassandra implements AuthorizationCodeInterface,
         return $this->expireValue($key);
     }
 
-    /* UserCredentialsInterface */
+    /**
+     * @param string $username
+     * @param string $password
+     * @return bool
+     */
     public function checkUserCredentials($username, $password)
     {
         if ($user = $this->getUser($username)) {
@@ -184,7 +226,13 @@ class Cassandra implements AuthorizationCodeInterface,
         return false;
     }
 
-    // plaintext passwords are bad!  Override this for your application
+    /**
+     * plaintext passwords are bad!  Override this for your application
+     *
+     * @param array  $user
+     * @param string $password
+     * @return bool
+     */
     protected function checkPassword($user, $password)
     {
         return $user['password'] == $this->hashPassword($password);
@@ -196,11 +244,19 @@ class Cassandra implements AuthorizationCodeInterface,
         return sha1($password);
     }
 
+    /**
+     * @param string $username
+     * @return array|bool|false
+     */
     public function getUserDetails($username)
     {
         return $this->getUser($username);
     }
 
+    /**
+     * @param string $username
+     * @return array|bool
+     */
     public function getUser($username)
     {
         if (!$userInfo = $this->getValue($this->config['user_key'] . $username)) {
@@ -213,6 +269,13 @@ class Cassandra implements AuthorizationCodeInterface,
         ), $userInfo);
     }
 
+    /**
+     * @param string $username
+     * @param string $password
+     * @param string $first_name
+     * @param string $last_name
+     * @return bool
+     */
     public function setUser($username, $password, $first_name = null, $last_name = null)
     {
         $password = $this->hashPassword($password);
@@ -223,7 +286,11 @@ class Cassandra implements AuthorizationCodeInterface,
         );
     }
 
-    /* ClientCredentialsInterface */
+    /**
+     * @param mixed  $client_id
+     * @param string $client_secret
+     * @return bool
+     */
     public function checkClientCredentials($client_id, $client_secret = null)
     {
         if (!$client = $this->getClientDetails($client_id)) {
@@ -234,6 +301,10 @@ class Cassandra implements AuthorizationCodeInterface,
             && $client['client_secret'] == $client_secret;
     }
 
+    /**
+     * @param $client_id
+     * @return bool
+     */
     public function isPublicClient($client_id)
     {
         if (!$client = $this->getClientDetails($client_id)) {
@@ -243,12 +314,24 @@ class Cassandra implements AuthorizationCodeInterface,
         return empty($client['client_secret']);
     }
 
-    /* ClientInterface */
+    /**
+     * @param $client_id
+     * @return array|bool|mixed
+     */
     public function getClientDetails($client_id)
     {
         return $this->getValue($this->config['client_key'] . $client_id);
     }
 
+    /**
+     * @param $client_id
+     * @param null $client_secret
+     * @param null $redirect_uri
+     * @param null $grant_types
+     * @param null $scope
+     * @param null $user_id
+     * @return bool
+     */
     public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
     {
         return $this->setValue(
@@ -257,6 +340,11 @@ class Cassandra implements AuthorizationCodeInterface,
         );
     }
 
+    /**
+     * @param $client_id
+     * @param $grant_type
+     * @return bool
+     */
     public function checkRestrictedGrantType($client_id, $grant_type)
     {
         $details = $this->getClientDetails($client_id);
@@ -270,12 +358,23 @@ class Cassandra implements AuthorizationCodeInterface,
         return true;
     }
 
-    /* RefreshTokenInterface */
+    /**
+     * @param $refresh_token
+     * @return bool|mixed
+     */
     public function getRefreshToken($refresh_token)
     {
         return $this->getValue($this->config['refresh_token_key'] . $refresh_token);
     }
 
+    /**
+     * @param $refresh_token
+     * @param $client_id
+     * @param $user_id
+     * @param $expires
+     * @param null $scope
+     * @return bool
+     */
     public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
     {
         return $this->setValue(
@@ -285,17 +384,32 @@ class Cassandra implements AuthorizationCodeInterface,
         );
     }
 
+    /**
+     * @param $refresh_token
+     * @return bool
+     */
     public function unsetRefreshToken($refresh_token)
     {
         return $this->expireValue($this->config['refresh_token_key'] . $refresh_token);
     }
 
-    /* AccessTokenInterface */
+    /**
+     * @param string $access_token
+     * @return array|bool|mixed|null
+     */
     public function getAccessToken($access_token)
     {
         return $this->getValue($this->config['access_token_key'].$access_token);
     }
 
+    /**
+     * @param string $access_token
+     * @param mixed $client_id
+     * @param mixed $user_id
+     * @param int $expires
+     * @param null $scope
+     * @return bool
+     */
     public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
     {
         return $this->setValue(
@@ -305,12 +419,19 @@ class Cassandra implements AuthorizationCodeInterface,
         );
     }
 
+    /**
+     * @param $access_token
+     * @return bool
+     */
     public function unsetAccessToken($access_token)
     {
         return $this->expireValue($this->config['access_token_key'] . $access_token);
     }
 
-    /* ScopeInterface */
+    /**
+     * @param $scope
+     * @return bool
+     */
     public function scopeExists($scope)
     {
         $scope = explode(' ', $scope);
@@ -322,6 +443,10 @@ class Cassandra implements AuthorizationCodeInterface,
         return (count(array_diff($scope, $supportedScope)) == 0);
     }
 
+    /**
+     * @param null $client_id
+     * @return bool|mixed
+     */
     public function getDefaultScope($client_id = null)
     {
         if (is_null($client_id) || !$result = $this->getValue($this->config['scope_key'].'default:'.$client_id)) {
@@ -331,6 +456,13 @@ class Cassandra implements AuthorizationCodeInterface,
         return $result;
     }
 
+    /**
+     * @param $scope
+     * @param null $client_id
+     * @param string $type
+     * @return bool
+     * @throws \InvalidArgumentException
+     */
     public function setScope($scope, $client_id = null, $type = 'supported')
     {
         if (!in_array($type, array('default', 'supported'))) {
@@ -346,7 +478,11 @@ class Cassandra implements AuthorizationCodeInterface,
         return $this->setValue($key, $scope);
     }
 
-    /*JWTBearerInterface */
+    /**
+     * @param $client_id
+     * @param $subject
+     * @return bool|null
+     */
     public function getClientKey($client_id, $subject)
     {
         if (!$jwt = $this->getValue($this->config['jwt_key'] . $client_id)) {
@@ -360,6 +496,12 @@ class Cassandra implements AuthorizationCodeInterface,
         return null;
     }
 
+    /**
+     * @param $client_id
+     * @param $key
+     * @param null $subject
+     * @return bool
+     */
     public function setClientKey($client_id, $key, $subject = null)
     {
         return $this->setValue($this->config['jwt_key'] . $client_id, array(
@@ -368,7 +510,10 @@ class Cassandra implements AuthorizationCodeInterface,
         ));
     }
 
-    /*ScopeInterface */
+    /**
+     * @param $client_id
+     * @return bool|null
+     */
     public function getClientScope($client_id)
     {
         if (!$clientDetails = $this->getClientDetails($client_id)) {
@@ -382,19 +527,38 @@ class Cassandra implements AuthorizationCodeInterface,
         return null;
     }
 
+    /**
+     * @param $client_id
+     * @param $subject
+     * @param $audience
+     * @param $expiration
+     * @param $jti
+     * @throws \Exception
+     */
     public function getJti($client_id, $subject, $audience, $expiration, $jti)
     {
         //TODO: Needs cassandra implementation.
         throw new \Exception('getJti() for the Cassandra driver is currently unimplemented.');
     }
 
+    /**
+     * @param $client_id
+     * @param $subject
+     * @param $audience
+     * @param $expiration
+     * @param $jti
+     * @throws \Exception
+     */
     public function setJti($client_id, $subject, $audience, $expiration, $jti)
     {
         //TODO: Needs cassandra implementation.
         throw new \Exception('setJti() for the Cassandra driver is currently unimplemented.');
     }
 
-    /* PublicKeyInterface */
+    /**
+     * @param string $client_id
+     * @return mixed
+     */
     public function getPublicKey($client_id = '')
     {
         $public_key = $this->getValue($this->config['public_key_key'] . $client_id);
@@ -407,6 +571,10 @@ class Cassandra implements AuthorizationCodeInterface,
         }
     }
 
+    /**
+     * @param string $client_id
+     * @return mixed
+     */
     public function getPrivateKey($client_id = '')
     {
         $public_key = $this->getValue($this->config['public_key_key'] . $client_id);
@@ -419,6 +587,10 @@ class Cassandra implements AuthorizationCodeInterface,
         }
     }
 
+    /**
+     * @param null $client_id
+     * @return mixed|string
+     */
     public function getEncryptionAlgorithm($client_id = null)
     {
         $public_key = $this->getValue($this->config['public_key_key'] . $client_id);
@@ -433,7 +605,11 @@ class Cassandra implements AuthorizationCodeInterface,
         return 'RS256';
     }
 
-    /* UserClaimsInterface */
+    /**
+     * @param mixed $user_id
+     * @param string $claims
+     * @return array|bool
+     */
     public function getUserClaims($user_id, $claims)
     {
         $userDetails = $this->getUserDetails($user_id);
@@ -460,6 +636,11 @@ class Cassandra implements AuthorizationCodeInterface,
         return $userClaims;
     }
 
+    /**
+     * @param $claim
+     * @param $userDetails
+     * @return array
+     */
     protected function getUserClaim($claim, $userDetails)
     {
         $userClaims = array();
@@ -476,5 +657,4 @@ class Cassandra implements AuthorizationCodeInterface,
 
         return $userClaims;
     }
-
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/CouchbaseDB.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/CouchbaseDB.php
index 1eb55f027..9e8148b6b 100755..100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/CouchbaseDB.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/CouchbaseDB.php
@@ -328,4 +328,4 @@ class CouchbaseDB implements AuthorizationCodeInterface,
         //TODO: Needs couchbase implementation.
         throw new \Exception('setJti() for the Couchbase driver is currently unimplemented.');
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/DynamoDB.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/DynamoDB.php
index 8347ab258..a54cb3712 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/DynamoDB.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/DynamoDB.php
@@ -537,4 +537,4 @@ class DynamoDB implements
     {
         return null !== $value && '' !== $value;
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/JwtAccessToken.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/JwtAccessToken.php
index 75b49d301..6ccacd6d9 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/JwtAccessToken.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/JwtAccessToken.php
@@ -6,7 +6,6 @@ use OAuth2\Encryption\EncryptionInterface;
 use OAuth2\Encryption\Jwt;
 
 /**
- *
  * @author Brent Shaffer <bshafs at gmail dot com>
  */
 class JwtAccessToken implements JwtAccessTokenInterface
@@ -85,4 +84,4 @@ class JwtAccessToken implements JwtAccessTokenInterface
 
         return $tokenData;
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Memory.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Memory.php
index 42d833ccb..2c60b71ce 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Memory.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Memory.php
@@ -378,4 +378,4 @@ class Memory implements AuthorizationCodeInterface,
 
         return 'RS256';
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Pdo.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Pdo.php
index ae5107e29..074cee447 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Pdo.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/Pdo.php
@@ -4,6 +4,7 @@ namespace OAuth2\Storage;
 
 use OAuth2\OpenID\Storage\UserClaimsInterface;
 use OAuth2\OpenID\Storage\AuthorizationCodeInterface as OpenIDAuthorizationCodeInterface;
+use InvalidArgumentException;
 
 /**
  * Simple PDO storage for all storage types
@@ -29,9 +30,22 @@ class Pdo implements
     UserClaimsInterface,
     OpenIDAuthorizationCodeInterface
 {
+    /**
+     * @var \PDO
+     */
     protected $db;
+
+    /**
+     * @var array
+     */
     protected $config;
 
+    /**
+     * @param mixed $connection
+     * @param array $config
+     *
+     * @throws InvalidArgumentException
+     */
     public function __construct($connection, $config = array())
     {
         if (!$connection instanceof \PDO) {
@@ -70,7 +84,11 @@ class Pdo implements
         ), $config);
     }
 
-    /* OAuth2\Storage\ClientCredentialsInterface */
+    /**
+     * @param string $client_id
+     * @param null|string $client_secret
+     * @return bool
+     */
     public function checkClientCredentials($client_id, $client_secret = null)
     {
         $stmt = $this->db->prepare(sprintf('SELECT * from %s where client_id = :client_id', $this->config['client_table']));
@@ -81,6 +99,10 @@ class Pdo implements
         return $result && $result['client_secret'] == $client_secret;
     }
 
+    /**
+     * @param string $client_id
+     * @return bool
+     */
     public function isPublicClient($client_id)
     {
         $stmt = $this->db->prepare(sprintf('SELECT * from %s where client_id = :client_id', $this->config['client_table']));
@@ -93,7 +115,10 @@ class Pdo implements
         return empty($result['client_secret']);
     }
 
-    /* OAuth2\Storage\ClientInterface */
+    /**
+     * @param string $client_id
+     * @return array|mixed
+     */
     public function getClientDetails($client_id)
     {
         $stmt = $this->db->prepare(sprintf('SELECT * from %s where client_id = :client_id', $this->config['client_table']));
@@ -102,6 +127,15 @@ class Pdo implements
         return $stmt->fetch(\PDO::FETCH_ASSOC);
     }
 
+    /**
+     * @param string $client_id
+     * @param null|string $client_secret
+     * @param null|string $redirect_uri
+     * @param null|array  $grant_types
+     * @param null|string $scope
+     * @param null|string $user_id
+     * @return bool
+     */
     public function setClientDetails($client_id, $client_secret = null, $redirect_uri = null, $grant_types = null, $scope = null, $user_id = null)
     {
         // if it exists, update it.
@@ -114,6 +148,11 @@ class Pdo implements
         return $stmt->execute(compact('client_id', 'client_secret', 'redirect_uri', 'grant_types', 'scope', 'user_id'));
     }
 
+    /**
+     * @param $client_id
+     * @param $grant_type
+     * @return bool
+     */
     public function checkRestrictedGrantType($client_id, $grant_type)
     {
         $details = $this->getClientDetails($client_id);
@@ -127,7 +166,10 @@ class Pdo implements
         return true;
     }
 
-    /* OAuth2\Storage\AccessTokenInterface */
+    /**
+     * @param string $access_token
+     * @return array|bool|mixed|null
+     */
     public function getAccessToken($access_token)
     {
         $stmt = $this->db->prepare(sprintf('SELECT * from %s where access_token = :access_token', $this->config['access_token_table']));
@@ -141,6 +183,14 @@ class Pdo implements
         return $token;
     }
 
+    /**
+     * @param string $access_token
+     * @param mixed  $client_id
+     * @param mixed  $user_id
+     * @param int    $expires
+     * @param string $scope
+     * @return bool
+     */
     public function setAccessToken($access_token, $client_id, $user_id, $expires, $scope = null)
     {
         // convert expires to datestring
@@ -156,6 +206,10 @@ class Pdo implements
         return $stmt->execute(compact('access_token', 'client_id', 'user_id', 'expires', 'scope'));
     }
 
+    /**
+     * @param $access_token
+     * @return bool
+     */
     public function unsetAccessToken($access_token)
     {
         $stmt = $this->db->prepare(sprintf('DELETE FROM %s WHERE access_token = :access_token', $this->config['access_token_table']));
@@ -166,6 +220,10 @@ class Pdo implements
     }
 
     /* OAuth2\Storage\AuthorizationCodeInterface */
+    /**
+     * @param string $code
+     * @return mixed
+     */
     public function getAuthorizationCode($code)
     {
         $stmt = $this->db->prepare(sprintf('SELECT * from %s where authorization_code = :code', $this->config['code_table']));
@@ -179,6 +237,16 @@ class Pdo implements
         return $code;
     }
 
+    /**
+     * @param string $code
+     * @param mixed  $client_id
+     * @param mixed  $user_id
+     * @param string $redirect_uri
+     * @param int    $expires
+     * @param string $scope
+     * @param string $id_token
+     * @return bool|mixed
+     */
     public function setAuthorizationCode($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
     {
         if (func_num_args() > 6) {
@@ -199,6 +267,16 @@ class Pdo implements
         return $stmt->execute(compact('code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'scope'));
     }
 
+    /**
+     * @param string $code
+     * @param mixed  $client_id
+     * @param mixed  $user_id
+     * @param string $redirect_uri
+     * @param string $expires
+     * @param string $scope
+     * @param string $id_token
+     * @return bool
+     */
     private function setAuthorizationCodeWithIdToken($code, $client_id, $user_id, $redirect_uri, $expires, $scope = null, $id_token = null)
     {
         // convert expires to datestring
@@ -214,6 +292,10 @@ class Pdo implements
         return $stmt->execute(compact('code', 'client_id', 'user_id', 'redirect_uri', 'expires', 'scope', 'id_token'));
     }
 
+    /**
+     * @param string $code
+     * @return bool
+     */
     public function expireAuthorizationCode($code)
     {
         $stmt = $this->db->prepare(sprintf('DELETE FROM %s WHERE authorization_code = :code', $this->config['code_table']));
@@ -221,7 +303,11 @@ class Pdo implements
         return $stmt->execute(compact('code'));
     }
 
-    /* OAuth2\Storage\UserCredentialsInterface */
+    /**
+     * @param string $username
+     * @param string $password
+     * @return bool
+     */
     public function checkUserCredentials($username, $password)
     {
         if ($user = $this->getUser($username)) {
@@ -231,12 +317,20 @@ class Pdo implements
         return false;
     }
 
+    /**
+     * @param string $username
+     * @return array|bool
+     */
     public function getUserDetails($username)
     {
         return $this->getUser($username);
     }
 
-    /* UserClaimsInterface */
+    /**
+     * @param mixed  $user_id
+     * @param string $claims
+     * @return array|bool
+     */
     public function getUserClaims($user_id, $claims)
     {
         if (!$userDetails = $this->getUserDetails($user_id)) {
@@ -262,6 +356,11 @@ class Pdo implements
         return $userClaims;
     }
 
+    /**
+     * @param string $claim
+     * @param array  $userDetails
+     * @return array
+     */
     protected function getUserClaim($claim, $userDetails)
     {
         $userClaims = array();
@@ -275,7 +374,10 @@ class Pdo implements
         return $userClaims;
     }
 
-    /* OAuth2\Storage\RefreshTokenInterface */
+    /**
+     * @param string $refresh_token
+     * @return bool|mixed
+     */
     public function getRefreshToken($refresh_token)
     {
         $stmt = $this->db->prepare(sprintf('SELECT * FROM %s WHERE refresh_token = :refresh_token', $this->config['refresh_token_table']));
@@ -289,6 +391,14 @@ class Pdo implements
         return $token;
     }
 
+    /**
+     * @param string $refresh_token
+     * @param mixed  $client_id
+     * @param mixed  $user_id
+     * @param string $expires
+     * @param string $scope
+     * @return bool
+     */
     public function setRefreshToken($refresh_token, $client_id, $user_id, $expires, $scope = null)
     {
         // convert expires to datestring
@@ -299,6 +409,10 @@ class Pdo implements
         return $stmt->execute(compact('refresh_token', 'client_id', 'user_id', 'expires', 'scope'));
     }
 
+    /**
+     * @param string $refresh_token
+     * @return bool
+     */
     public function unsetRefreshToken($refresh_token)
     {
         $stmt = $this->db->prepare(sprintf('DELETE FROM %s WHERE refresh_token = :refresh_token', $this->config['refresh_token_table']));
@@ -308,7 +422,13 @@ class Pdo implements
         return $stmt->rowCount() > 0;
     }
 
-    // plaintext passwords are bad!  Override this for your application
+    /**
+     * plaintext passwords are bad!  Override this for your application
+     *
+     * @param array $user
+     * @param string $password
+     * @return bool
+     */
     protected function checkPassword($user, $password)
     {
         return $user['password'] == $this->hashPassword($password);
@@ -320,6 +440,10 @@ class Pdo implements
         return sha1($password);
     }
 
+    /**
+     * @param string $username
+     * @return array|bool
+     */
     public function getUser($username)
     {
         $stmt = $this->db->prepare($sql = sprintf('SELECT * from %s where username=:username', $this->config['user_table']));
@@ -335,6 +459,15 @@ class Pdo implements
         ), $userInfo);
     }
 
+    /**
+     * plaintext passwords are bad!  Override this for your application
+     *
+     * @param string $username
+     * @param string $password
+     * @param string $firstName
+     * @param string $lastName
+     * @return bool
+     */
     public function setUser($username, $password, $firstName = null, $lastName = null)
     {
         // do not store in plaintext
@@ -350,7 +483,10 @@ class Pdo implements
         return $stmt->execute(compact('username', 'password', 'firstName', 'lastName'));
     }
 
-    /* ScopeInterface */
+    /**
+     * @param string $scope
+     * @return bool
+     */
     public function scopeExists($scope)
     {
         $scope = explode(' ', $scope);
@@ -365,6 +501,10 @@ class Pdo implements
         return false;
     }
 
+    /**
+     * @param mixed $client_id
+     * @return null|string
+     */
     public function getDefaultScope($client_id = null)
     {
         $stmt = $this->db->prepare(sprintf('SELECT scope FROM %s WHERE is_default=:is_default', $this->config['scope_table']));
@@ -381,7 +521,11 @@ class Pdo implements
         return null;
     }
 
-    /* JWTBearerInterface */
+    /**
+     * @param mixed $client_id
+     * @param $subject
+     * @return string
+     */
     public function getClientKey($client_id, $subject)
     {
         $stmt = $this->db->prepare($sql = sprintf('SELECT public_key from %s where client_id=:client_id AND subject=:subject', $this->config['jwt_table']));
@@ -391,6 +535,10 @@ class Pdo implements
         return $stmt->fetchColumn();
     }
 
+    /**
+     * @param mixed $client_id
+     * @return bool|null
+     */
     public function getClientScope($client_id)
     {
         if (!$clientDetails = $this->getClientDetails($client_id)) {
@@ -404,6 +552,14 @@ class Pdo implements
         return null;
     }
 
+    /**
+     * @param mixed $client_id
+     * @param $subject
+     * @param $audience
+     * @param $expires
+     * @param $jti
+     * @return array|null
+     */
     public function getJti($client_id, $subject, $audience, $expires, $jti)
     {
         $stmt = $this->db->prepare($sql = sprintf('SELECT * FROM %s WHERE issuer=:client_id AND subject=:subject AND audience=:audience AND expires=:expires AND jti=:jti', $this->config['jti_table']));
@@ -423,6 +579,14 @@ class Pdo implements
         return null;
     }
 
+    /**
+     * @param mixed $client_id
+     * @param $subject
+     * @param $audience
+     * @param $expires
+     * @param $jti
+     * @return bool
+     */
     public function setJti($client_id, $subject, $audience, $expires, $jti)
     {
         $stmt = $this->db->prepare(sprintf('INSERT INTO %s (issuer, subject, audience, expires, jti) VALUES (:client_id, :subject, :audience, :expires, :jti)', $this->config['jti_table']));
@@ -430,7 +594,10 @@ class Pdo implements
         return $stmt->execute(compact('client_id', 'subject', 'audience', 'expires', 'jti'));
     }
 
-    /* PublicKeyInterface */
+    /**
+     * @param mixed $client_id
+     * @return mixed
+     */
     public function getPublicKey($client_id = null)
     {
         $stmt = $this->db->prepare($sql = sprintf('SELECT public_key FROM %s WHERE client_id=:client_id OR client_id IS NULL ORDER BY client_id IS NOT NULL DESC', $this->config['public_key_table']));
@@ -441,6 +608,10 @@ class Pdo implements
         }
     }
 
+    /**
+     * @param mixed $client_id
+     * @return mixed
+     */
     public function getPrivateKey($client_id = null)
     {
         $stmt = $this->db->prepare($sql = sprintf('SELECT private_key FROM %s WHERE client_id=:client_id OR client_id IS NULL ORDER BY client_id IS NOT NULL DESC', $this->config['public_key_table']));
@@ -451,6 +622,10 @@ class Pdo implements
         }
     }
 
+    /**
+     * @param mixed $client_id
+     * @return string
+     */
     public function getEncryptionAlgorithm($client_id = null)
     {
         $stmt = $this->db->prepare($sql = sprintf('SELECT encryption_algorithm FROM %s WHERE client_id=:client_id OR client_id IS NULL ORDER BY client_id IS NOT NULL DESC', $this->config['public_key_table']));
@@ -467,6 +642,9 @@ class Pdo implements
      * DDL to create OAuth2 database and tables for PDO storage
      *
      * @see https://github.com/dsquier/oauth2-server-php-mysql
+     *
+     * @param string $dbName
+     * @return string
      */
     public function getBuildSql($dbName = 'oauth2_server_php')
     {
@@ -481,73 +659,73 @@ class Pdo implements
           PRIMARY KEY (client_id)
         );
 
-        CREATE TABLE {$this->config['access_token_table']} (
-          access_token         VARCHAR(40)    NOT NULL,
-          client_id            VARCHAR(80)    NOT NULL,
-          user_id              VARCHAR(80),
-          expires              TIMESTAMP      NOT NULL,
-          scope                VARCHAR(4000),
-          PRIMARY KEY (access_token)
-        );
+            CREATE TABLE {$this->config['access_token_table']} (
+              access_token         VARCHAR(40)    NOT NULL,
+              client_id            VARCHAR(80)    NOT NULL,
+              user_id              VARCHAR(80),
+              expires              TIMESTAMP      NOT NULL,
+              scope                VARCHAR(4000),
+              PRIMARY KEY (access_token)
+            );
 
-        CREATE TABLE {$this->config['code_table']} (
-          authorization_code  VARCHAR(40)    NOT NULL,
-          client_id           VARCHAR(80)    NOT NULL,
-          user_id             VARCHAR(80),
-          redirect_uri        VARCHAR(2000),
-          expires             TIMESTAMP      NOT NULL,
-          scope               VARCHAR(4000),
-          id_token            VARCHAR(1000),
-          PRIMARY KEY (authorization_code)
-        );
+            CREATE TABLE {$this->config['code_table']} (
+              authorization_code  VARCHAR(40)    NOT NULL,
+              client_id           VARCHAR(80)    NOT NULL,
+              user_id             VARCHAR(80),
+              redirect_uri        VARCHAR(2000),
+              expires             TIMESTAMP      NOT NULL,
+              scope               VARCHAR(4000),
+              id_token            VARCHAR(1000),
+              PRIMARY KEY (authorization_code)
+            );
 
-        CREATE TABLE {$this->config['refresh_token_table']} (
-          refresh_token       VARCHAR(40)    NOT NULL,
-          client_id           VARCHAR(80)    NOT NULL,
-          user_id             VARCHAR(80),
-          expires             TIMESTAMP      NOT NULL,
-          scope               VARCHAR(4000),
-          PRIMARY KEY (refresh_token)
-        );
+            CREATE TABLE {$this->config['refresh_token_table']} (
+              refresh_token       VARCHAR(40)    NOT NULL,
+              client_id           VARCHAR(80)    NOT NULL,
+              user_id             VARCHAR(80),
+              expires             TIMESTAMP      NOT NULL,
+              scope               VARCHAR(4000),
+              PRIMARY KEY (refresh_token)
+            );
 
-        CREATE TABLE {$this->config['user_table']} (
-          username            VARCHAR(80),
-          password            VARCHAR(80),
-          first_name          VARCHAR(80),
-          last_name           VARCHAR(80),
-          email               VARCHAR(80),
-          email_verified      BOOLEAN,
-          scope               VARCHAR(4000)
-        );
+            CREATE TABLE {$this->config['user_table']} (
+              username            VARCHAR(80),
+              password            VARCHAR(80),
+              first_name          VARCHAR(80),
+              last_name           VARCHAR(80),
+              email               VARCHAR(80),
+              email_verified      BOOLEAN,
+              scope               VARCHAR(4000)
+            );
 
-        CREATE TABLE {$this->config['scope_table']} (
-          scope               VARCHAR(80)  NOT NULL,
-          is_default          BOOLEAN,
-          PRIMARY KEY (scope)
-        );
+            CREATE TABLE {$this->config['scope_table']} (
+              scope               VARCHAR(80)  NOT NULL,
+              is_default          BOOLEAN,
+              PRIMARY KEY (scope)
+            );
 
-        CREATE TABLE {$this->config['jwt_table']} (
-          client_id           VARCHAR(80)   NOT NULL,
-          subject             VARCHAR(80),
-          public_key          VARCHAR(2000) NOT NULL
-        );
+            CREATE TABLE {$this->config['jwt_table']} (
+              client_id           VARCHAR(80)   NOT NULL,
+              subject             VARCHAR(80),
+              public_key          VARCHAR(2000) NOT NULL
+            );
 
-        CREATE TABLE {$this->config['jti_table']} (
-          issuer              VARCHAR(80)   NOT NULL,
-          subject             VARCHAR(80),
-          audience            VARCHAR(80),
-          expires             TIMESTAMP     NOT NULL,
-          jti                 VARCHAR(2000) NOT NULL
-        );
+            CREATE TABLE {$this->config['jti_table']} (
+              issuer              VARCHAR(80)   NOT NULL,
+              subject             VARCHAR(80),
+              audiance            VARCHAR(80),
+              expires             TIMESTAMP     NOT NULL,
+              jti                 VARCHAR(2000) NOT NULL
+            );
 
-        CREATE TABLE {$this->config['public_key_table']} (
-          client_id            VARCHAR(80),
-          public_key           VARCHAR(2000),
-          private_key          VARCHAR(2000),
-          encryption_algorithm VARCHAR(100) DEFAULT 'RS256'
-        )
-";
+            CREATE TABLE {$this->config['public_key_table']} (
+              client_id            VARCHAR(80),
+              public_key           VARCHAR(2000),
+              private_key          VARCHAR(2000),
+              encryption_algorithm VARCHAR(100) DEFAULT 'RS256'
+            )
+        ";
 
         return $sql;
     }
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/PublicKeyInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/PublicKeyInterface.php
index 108418d3a..a6dc49fb5 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/PublicKeyInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/PublicKeyInterface.php
@@ -10,7 +10,21 @@ namespace OAuth2\Storage;
  */
 interface PublicKeyInterface
 {
+    /**
+     * @param mixed $client_id
+     * @return mixed
+     */
     public function getPublicKey($client_id = null);
+
+    /**
+     * @param mixed $client_id
+     * @return mixed
+     */
     public function getPrivateKey($client_id = null);
+
+    /**
+     * @param mixed $client_id
+     * @return mixed
+     */
     public function getEncryptionAlgorithm($client_id = null);
-}
+}
\ No newline at end of file
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/UserCredentialsInterface.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/UserCredentialsInterface.php
index 6e0fd7bad..f550579e4 100644
--- a/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/UserCredentialsInterface.php
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/Storage/UserCredentialsInterface.php
@@ -37,15 +37,15 @@ interface UserCredentialsInterface
     public function checkUserCredentials($username, $password);
 
     /**
-     * @return
-     * ARRAY the associated "user_id" and optional "scope" values
-     * This function MUST return FALSE if the requested user does not exist or is
-     * invalid. "scope" is a space-separated list of restricted scopes.
+     * @param string $username - username to get details for
+     * @return array|false     - the associated "user_id" and optional "scope" values
+     *                           This function MUST return FALSE if the requested user does not exist or is
+     *                           invalid. "scope" is a space-separated list of restricted scopes.
      * @code
-     * return array(
-     *     "user_id"  => USER_ID,    // REQUIRED user_id to be stored with the authorization code or access token
-     *     "scope"    => SCOPE       // OPTIONAL space-separated list of restricted scopes
-     * );
+     *     return array(
+     *         "user_id"  => USER_ID,    // REQUIRED user_id to be stored with the authorization code or access token
+     *         "scope"    => SCOPE       // OPTIONAL space-separated list of restricted scopes
+     *     );
      * @endcode
      */
     public function getUserDetails($username);