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<?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".

 */