1 files changed, 49 insertions, 0 deletions
diff --git a/library/oauth2/src/OAuth2/Storage/ClientCredentialsInterface.php b/library/oauth2/src/OAuth2/Storage/ClientCredentialsInterface.php
new file mode 100644
index 000000000..3318c6966
--- /dev/null
+++ b/library/oauth2/src/OAuth2/Storage/ClientCredentialsInterface.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace OAuth2\Storage;
+
+/**
+ * Implement this interface to specify how the OAuth2 Server
+ * should verify client credentials
+ *
+ * @author Brent Shaffer <bshafs at gmail dot com>
+ */
+interface ClientCredentialsInterface extends ClientInterface
+{
+
+    /**
+     * Make sure that the client credentials is valid.
+     *
+     * @param $client_id
+     * Client identifier to be check with.
+     * @param $client_secret
+     * (optional) If a secret is required, check that they've given the right one.
+     *
+     * @return
+     * TRUE if the client credentials are valid, and MUST return FALSE if it isn't.
+     * @endcode
+     *
+     * @see http://tools.ietf.org/html/rfc6749#section-3.1
+     *
+     * @ingroup oauth2_section_3
+     */
+    public function checkClientCredentials($client_id, $client_secret = null);
+
+    /**
+     * Determine if the client is a "public" client, and therefore
+     * does not require passing credentials for certain grant types
+     *
+     * @param $client_id
+     * Client identifier to be check with.
+     *
+     * @return
+     * TRUE if the client is public, and FALSE if it isn't.
+     * @endcode
+     *
+     * @see http://tools.ietf.org/html/rfc6749#section-2.3
+     * @see https://github.com/bshaffer/oauth2-server-php/issues/257
+     *
+     * @ingroup oauth2_section_2
+     */
+    public function isPublicClient($client_id);
+}