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<?php
/**
*
* @package auth
* @copyright (c) 2013 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
namespace phpbb\auth\provider;
/**
* The interface authentication provider classes have to implement.
*
* @package auth
*/
interface provider_interface
{
/**
* Checks whether the user is currently identified to the authentication
* provider.
* Called in acp_board while setting authentication plugins.
* Changing to an authentication provider will not be permitted in acp_board
* if there is an error.
*
* @return boolean|string False if the user is identified, otherwise an
* error message, or null if not implemented.
*/
public function init();
/**
* Performs login.
*
* @param string $username The name of the user being authenticated.
* @param string $password The password of the user.
* @return array An associative array of the format:
* array(
* 'status' => status constant
* 'error_msg' => string
* 'user_row' => array
* )
* A fourth key of the array may be present:
* 'redirect_data' This key is only used when 'status' is
* equal to LOGIN_SUCCESS_LINK_PROFILE and its value is an
* associative array that is turned into GET variables on
* the redirect url.
*/
public function login($username, $password);
/**
* Autologin function
*
* @return array|null containing the user row, empty if no auto login
* should take place, or null if not impletmented.
*/
public function autologin();
/**
* This function is used to output any required fields in the authentication
* admin panel. It also defines any required configuration table fields.
*
* @return array|null Returns null if not implemented or an array of the
* configuration fields of the provider.
*/
public function acp();
/**
* This function updates the template with variables related to the acp
* options with whatever configuraton values are passed to it as an array.
* It then returns the name of the acp file related to this authentication
* provider.
* @param array $new_config Contains the new configuration values that
* have been set in acp_board.
* @return array|null Returns null if not implemented or an array with
* the template file name and an array of the vars
* that the template needs that must conform to the
* following example:
* array(
* 'TEMPLATE_FILE' => string,
* 'TEMPLATE_VARS' => array(...),
* )
* An optional third element may be added to this
* array: 'BLOCK_VAR_NAME'. If this is present,
* then its value should be a string that is used
* to designate the name of the loop used in the
* ACP template file. When this is present, an
* additional key named 'BLOCK_VARS' is required.
* This must be an array containing at least one
* array of variables that will be assigned during
* the loop in the template. An example of this is
* presented below:
* array(
* 'BLOCK_VAR_NAME' => string,
* 'BLOCK_VARS' => array(
* 'KEY IS UNIMPORTANT' => array(...),
* ),
* 'TEMPLATE_FILE' => string,
* 'TEMPLATE_VARS' => array(...),
* )
*/
public function get_acp_template($new_config);
/**
* Returns an array of data necessary to build custom elements on the login
* form.
*
* @return array|null If this function is not implemented on an auth
* provider then it returns null. If it is implemented
* it will return an array of up to four elements of
* which only 'TEMPLATE_FILE'. If 'BLOCK_VAR_NAME' is
* present then 'BLOCK_VARS' must also be present in
* the array. The fourth element 'VARS' is also
* optional. The array, with all four elements present
* looks like the following:
* array(
* 'TEMPLATE_FILE' => string,
* 'BLOCK_VAR_NAME' => string,
* 'BLOCK_VARS' => array(...),
* 'VARS' => array(...),
* )
*/
public function get_login_data();
/**
* Performs additional actions during logout.
*
* @param array $data An array corresponding to
* \phpbb\session::data
* @param boolean $new_session True for a new session, false for no new
* session.
*/
public function logout($data, $new_session);
/**
* The session validation function checks whether the user is still logged
* into phpBB.
*
* @param array $user
* @return boolean true if the given user is authenticated, false if the
* session should be closed, or null if not implemented.
*/
public function validate_session($user);
/**
* Checks to see if $login_link_data contains all information except for the
* user_id of an account needed to successfully link an external account to
* a forum account.
*
* @param array $link_data Any data needed to link a phpBB account to
* an external account.
* @return string|null Returns a string with a language constant if there
* is data missing or null if there is no error.
*/
public function login_link_has_necessary_data($login_link_data);
/**
* Links an external account to a phpBB account.
*
* @param array $link_data Any data needed to link a phpBB account to
* an external account.
*/
public function link_account(array $link_data);
/**
* Returns an array of data necessary to build the ucp_auth_link page
*
* @return array|null If this function is not implemented on an auth
* provider then it returns null. If it is implemented
* it will return an array of up to four elements of
* which only 'TEMPLATE_FILE'. If 'BLOCK_VAR_NAME' is
* present then 'BLOCK_VARS' must also be present in
* the array. The fourth element 'VARS' is also
* optional. The array, with all four elements present
* looks like the following:
* array(
* 'TEMPLATE_FILE' => string,
* 'BLOCK_VAR_NAME' => string,
* 'BLOCK_VARS' => array(...),
* 'VARS' => array(...),
* )
*/
public function get_auth_link_data();
/**
* Unlinks an external account from a phpBB account.
*
* @param array $link_data Any data needed to unlink a phpBB account
* from a phpbb account.
*/
public function unlink_account(array $link_data);
}
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