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Diffstat (limited to 'modules/gallery/helpers/identity.php')
| -rw-r--r-- | modules/gallery/helpers/identity.php | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/modules/gallery/helpers/identity.php b/modules/gallery/helpers/identity.php new file mode 100644 index 00000000..d0cba8e7 --- /dev/null +++ b/modules/gallery/helpers/identity.php @@ -0,0 +1,221 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2009 Bharat Mediratta + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ + +class identity_Core { + protected static $available; + + /** + * Return a list of installed Identity Drivers. + * + * @return boolean true if the driver supports updates; false if read only + */ + static function providers() { + if (empty(self::$available)) { + $drivers = new ArrayObject(array(), ArrayObject::ARRAY_AS_PROPS); + foreach (module::available() as $module_name => $module) { + if (file_exists(MODPATH . "{$module_name}/config/identity.php")) { + $drivers->$module_name = $module->description; + } + } + self::$available = $drivers; + } + return self::$available; + } + + /** + * Frees the current instance of the identity provider so the next call to instance will reload + * + * @param string configuration + * @return Identity_Core + */ + static function reset() { + IdentityProvider::reset(); + } + + /** + * Make sure that we have a session and group_ids cached in the session. + */ + static function load_user() { + //try { + // Call IdentityProvider::instance() now to force the load of the user interface classes. + // We are about to load the active user from the session and which needs the user definition + // class, which can't be reached by Kohana's heiracrchical lookup. + IdentityProvider::instance(); + + $session = Session::instance(); + if (!($user = $session->get("user"))) { + self::set_active_user($user = self::guest()); + } + + // The installer cannot set a user into the session, so it just sets an id which we should + // upconvert into a user. + // @todo set the user name into the session instead of 2 and then use it to get the user object + if ($user === 2) { + $user = IdentityProvider::instance()->lookup_user_by_name("admin"); + self::set_active_user($user); + $session->set("user", $user); + } + + if (!$session->get("group_ids")) { + $ids = array(); + foreach ($user->groups as $group) { + $ids[] = $group->id; + } + $session->set("group_ids", $ids); + } + //} catch (Exception $e) { + // try { + // Session::instance()->destroy(); + // } catch (Exception $e) { + // We don't care if there was a problem destroying the session. + // } + // url::redirect(item::root()->abs_url()); + //} + } + + /** + * Return the array of group ids this user belongs to + * + * @return array + */ + static function group_ids_for_active_user() { + return Session::instance()->get("group_ids", array(1)); + } + + /** + * Return the active user. If there's no active user, return the guest user. + * + * @return User_Definition + */ + static function active_user() { + // @todo (maybe) cache this object so we're not always doing session lookups. + $user = Session::instance()->get("user", null); + if (!isset($user)) { + // Don't do this as a fallback in the Session::get() call because it can trigger unnecessary + // work. + $user = identity::guest(); + } + return $user; + } + + /** + * Change the active user. + * @param User_Definition $user + */ + static function set_active_user($user) { + $session = Session::instance(); + $session->set("user", $user); + $session->delete("group_ids"); + self::load_user(); + } + + /** + * Determine if if the current driver supports updates. + * + * @return boolean true if the driver supports updates; false if read only + */ + static function is_writable() { + return IdentityProvider::instance()->is_writable(); + } + + /** + * @see IdentityProvider_Driver::guest. + */ + static function guest() { + return IdentityProvider::instance()->guest(); + } + + /** + * @see IdentityProvider_Driver::create_user. + */ + static function create_user($name, $full_name, $password) { + return IdentityProvider::instance()->create_user($name, $full_name, $password); + } + + /** + * @see IdentityProvider_Driver::is_correct_password. + */ + static function is_correct_password($user, $password) { + return IdentityProvider::instance()->is_correct_password($user, $password); + } + + /** + * @see IdentityProvider_Driver::lookup_user. + */ + static function lookup_user($id) { + return IdentityProvider::instance()->lookup_user($id); + } + + /** + * @see IdentityProvider_Driver::lookup_user_by_name. + */ + static function lookup_user_by_name($name) { + return IdentityProvider::instance()->lookup_user_by_name($name); + } + + /** + * @see IdentityProvider_Driver::create_group. + */ + static function create_group($name) { + return IdentityProvider::instance()->create_group($name); + } + + /** + * @see IdentityProvider_Driver::everybody. + */ + static function everybody() { + return IdentityProvider::instance()->everybody(); + } + + /** + * @see IdentityProvider_Driver::registered_users. + */ + static function registered_users() { + return IdentityProvider::instance()->everybody(); + } + + /** + * @see IdentityProvider_Driver::lookup_group. + */ + static function lookup_group($id) { + return IdentityProvider::instance()->lookup_group($id); + } + + /** + * @see IdentityProvider_Driver::lookup_group_by_name. + */ + static function lookup_group_by_name($name) { + return IdentityProvider::instance()->lookup_group_by_name($name); + } + + /** + * @see IdentityProvider_Driver::get_user_list. + */ + static function get_user_list($ids) { + return IdentityProvider::instance()->get_user_list($ids); + } + + /** + * @see IdentityProvider_Driver::groups. + */ + static function groups() { + return IdentityProvider::instance()->groups(); + } +}
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