1 files changed, 67 insertions, 0 deletions
diff --git a/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/ClientCredentials.php b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/ClientCredentials.php
new file mode 100644
index 000000000..f953e4e8d
--- /dev/null
+++ b/vendor/bshaffer/oauth2-server-php/src/OAuth2/GrantType/ClientCredentials.php
@@ -0,0 +1,67 @@
+<?php
+
+namespace OAuth2\GrantType;
+
+use OAuth2\ClientAssertionType\HttpBasic;
+use OAuth2\ResponseType\AccessTokenInterface;
+use OAuth2\Storage\ClientCredentialsInterface;
+
+/**
+ * @author Brent Shaffer <bshafs at gmail dot com>
+ *
+ * @see OAuth2\ClientAssertionType_HttpBasic
+ */
+class ClientCredentials extends HttpBasic implements GrantTypeInterface
+{
+    private $clientData;
+
+    public function __construct(ClientCredentialsInterface $storage, array $config = array())
+    {
+        /**
+         * The client credentials grant type MUST only be used by confidential clients
+         *
+         * @see http://tools.ietf.org/html/rfc6749#section-4.4
+         */
+        $config['allow_public_clients'] = false;
+
+        parent::__construct($storage, $config);
+    }
+
+    public function getQuerystringIdentifier()
+    {
+        return 'client_credentials';
+    }
+
+    public function getScope()
+    {
+        $this->loadClientData();
+
+        return isset($this->clientData['scope']) ? $this->clientData['scope'] : null;
+    }
+
+    public function getUserId()
+    {
+        $this->loadClientData();
+
+        return isset($this->clientData['user_id']) ? $this->clientData['user_id'] : null;
+    }
+
+    public function createAccessToken(AccessTokenInterface $accessToken, $client_id, $user_id, $scope)
+    {
+        /**
+         * Client Credentials Grant does NOT include a refresh token
+         *
+         * @see http://tools.ietf.org/html/rfc6749#section-4.4.3
+         */
+        $includeRefreshToken = false;
+
+        return $accessToken->createAccessToken($client_id, $user_id, $scope, $includeRefreshToken);
+    }
+
+    private function loadClientData()
+    {
+        if (!$this->clientData) {
+            $this->clientData = $this->storage->getClientDetails($this->getClientId());
+        }
+    }
+}