diff -r 07239de796bb -r e756a8c72c3d cms/drupal/modules/openid/openid.api.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/drupal/modules/openid/openid.api.php	Fri Sep 08 12:04:06 2017 +0200
@@ -0,0 +1,116 @@
+<?php
+
+/**
+ * @file
+ * Hooks provided by the OpenID module.
+ */
+
+/**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
+ * Allow modules to modify the OpenID request parameters.
+ *
+ * @param $op
+ *   The operation to be performed.
+ *   Possible values:
+ *   - request: Modify parameters before they are sent to the OpenID provider.
+ * @param $request
+ *   An associative array of parameter defaults to which to modify or append.
+ * @return
+ *   An associative array of parameters to be merged with the default list.
+ *
+ */
+function hook_openid($op, $request) {
+  if ($op == 'request') {
+    $request['openid.identity'] = 'http://myname.myopenid.com/';
+  }
+  return $request;
+}
+
+/**
+ * Allow modules to act upon a successful OpenID login.
+ *
+ * @param $response
+ *   Response values from the OpenID Provider.
+ * @param $account
+ *   The Drupal user account that logged in
+ *
+ */
+function hook_openid_response($response, $account) {
+  if (isset($response['openid.ns.ax'])) {
+    _mymodule_store_ax_fields($response, $account);
+  }
+}
+
+/**
+ * Allow modules to declare OpenID discovery methods.
+ *
+ * The discovery function callbacks will be called in turn with an unique
+ * parameter, the claimed identifier. They have to return an associative array
+ * with array of services and claimed identifier in the same form as returned by
+ * openid_discover(). The resulting array must contain following keys:
+ *   - 'services' (required) an array of discovered services (including OpenID
+ *   version, endpoint URI, etc).
+ *   - 'claimed_id' (optional) new claimed identifer, found by following HTTP
+ *   redirects during the services discovery.
+ *
+ * The first discovery method that succeed (return at least one services) will
+ * stop the discovery process.
+ *
+ * @return
+ *   An associative array which keys are the name of the discovery methods and
+ *   values are function callbacks.
+ *
+ * @see hook_openid_discovery_method_info_alter()
+ */
+function hook_openid_discovery_method_info() {
+  return array(
+    'new_discovery_idea' => '_my_discovery_method',
+  );
+}
+
+/**
+ * Allow modules to alter discovery methods.
+ */
+function hook_openid_discovery_method_info_alter(&$methods) {
+  // Remove XRI discovery scheme.
+  unset($methods['xri']);
+}
+
+/**
+ * Allow modules to declare OpenID normalization methods.
+ *
+ * The discovery function callbacks will be called in turn with an unique
+ * parameter, the identifier to normalize. They have to return a normalized
+ * identifier, or NULL if the identifier is not in a form they can handle.
+ *
+ * The first normalization method that succeed (return a value that is not NULL)
+ * will stop the normalization process.
+ *
+ * @return
+ *   An array with a set of function callbacks, that will be called in turn
+ *   when normalizing an OpenID identifier. The normalization functions have
+ *   to return a normalized identifier, or NULL if the identifier is not in
+ *   a form they can handle.
+ * @see hook_openid_normalization_method_info_alter()
+ */
+function hook_openid_normalization_method_info() {
+  return array(
+    'new_normalization_idea' => '_my_normalization_method',
+  );
+}
+
+/**
+ * Allow modules to alter normalization methods.
+ */
+function hook_openid_normalization_method_info_alter(&$methods) {
+  // Remove Google IDP normalization.
+  unset($methods['google_idp']);
+}
+
+/**
+ * @} End of "addtogroup hooks".
+ */