diff options
Diffstat (limited to 'modules/gallery/libraries')
| -rw-r--r-- | modules/gallery/libraries/Identity.php | 223 | ||||
| -rw-r--r-- | modules/gallery/libraries/drivers/Identity.php | 286 | 
2 files changed, 509 insertions, 0 deletions
| diff --git a/modules/gallery/libraries/Identity.php b/modules/gallery/libraries/Identity.php new file mode 100644 index 00000000..488cc535 --- /dev/null +++ b/modules/gallery/libraries/Identity.php @@ -0,0 +1,223 @@ +<?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. + */ + +/** + * Provides a driver-based interface for managing users and groups. + */ +class Identity_Core { +  protected static $instances = array(); + +  // Configuration +  protected $config; + +  // Driver object +  protected $driver; + +  /** +   * Returns a singleton instance of Identity. +   * +   * @param   string  configuration +   * @return  Identity_Core +   */ +  static function & instance($config="default") { +   if (!isset(Identity::$instances[$config])) { +      // Create a new instance +      Identity::$instances[$config] = new Identity($config); +    } + +    return Identity::$instances[$config]; +  } + +  /** +   * Loads the configured driver and validates it. +   * +   * @param   array|string  custom configuration or config group name +   * @return  void +   */ +  public function __construct($config="default") { +    if (is_string($config)) { +      $name = $config; + +      // Test the config group name +      if (($config = Kohana::config("identity.".$config)) === NULL) { +        throw new Exception("@todo NO USER LIBRARY CONFIGURATION FOR: $name"); +      } + +      if (is_array($config)) { +        // Append the default configuration options +        $config += Kohana::config("identity.default"); +      } else { +        // Load the default group +        $config = Kohana::config("identity.default"); +      } + +      // Cache the config in the object +      $this->config = $config; + +      // Set driver name +      $driver = "Identity_".ucfirst($this->config["driver"])."_Driver"; + +      // Load the driver +      if ( ! Kohana::auto_load($driver)) { +        throw new Kohana_Exception("core.driver_not_found", $this->config["driver"], +                                   get_class($this)); +      } + +      // Initialize the driver +      $this->driver = new $driver($this->config["params"]); + +      // Validate the driver +      if ( !($this->driver instanceof Identity_Driver)) +        throw new Kohana_Exception("core.driver_implements", $this->config["driver"], +                                   get_class($this), "Identity_Driver"); + +      Kohana::log("debug", "Identity Library initialized"); +    } +  } + +  /** +   * Determine if a feature is supported by the driver. +   * +   * @param  string  $feature the name of the feature to check +   * @return boolean true if supported +   */ +  public function is_writable() { +    return !empty($this->config["allow_updates"]); +  } + + +  /** +   * Return the guest user. +   * +   * @todo consider caching +   * +   * @return Identity_Model +   */ +  public function guest() { +    return $this->driver->guest(); +  } + +  /** +   * Create a new user. +   * +   * @param string  $name +   * @param string  $full_name +   * @param string  $password +   * @return Identity_Model +   */ +  public function create_user($name, $full_name, $password) { +    return $this->driver->create_user($name, $full_name, $password); +  } + +  /** +   * Is the password provided correct? +   * +   * @param user Identity Model +   * @param string $password a plaintext password +   * @return boolean true if the password is correct +   */ +  public function is_correct_password($user, $password) { +    return $this->driver->is_correct_password($user, $password); +  } + +  /** +   * Create the hashed passwords. +   * @param string $password a plaintext password +   * @return string hashed password +   */ +  public function hash_password($password) { +    return $this->driver->hash_password($password); +  } + +  /** +   * Look up a user by field value. +   * @param string      search field +   * @param string      search value +   * @return Identity_Model  the user object, or null if the name was invalid. +   */ +  public function lookup_user_by_field($field_name, $value) { +    return $this->driver->lookup_user_by_field($field_name, $value); +  } + +  /** +   * Create a new group. +   * +   * @param string  $name +   * @return Group_Model +   */ +  public function create_group($name) { +    return $this->driver->create_group($name); +  } + +  /** +   * The group of all possible visitors.  This includes the guest user. +   * +   * @return Group_Model +   */ +  public function everybody() { +    return $this->driver->everybody(); +  } + +  /** +   * The group of all logged-in visitors.  This does not include guest users. +   * +   * @return Group_Model +   */ +  public function registered_users() { +    return $this->driver->everybody(); +  } + +  /** +   * Look up a group by name. +   * @param integer      $id the group name +   * @return Group_Model  the group object, or null if the name was invalid. +   */ +  public function lookup_group_by_field($field_name, $value) { +    return $this->driver->lookup_group_by_field($field_name, $value); +  } + +  /** +   * List the users +   * @param mixed      options to apply to the selection of the user +   * @return array     the group list. +   */ +  public function get_user_list($filter=array()) { +    return $this->driver->get_user_list($filter); +  } + +  /** +   * List the groups +   * @param mixed      options to apply to the selection of the user +   * @return array     the group list. +   */ +  public function get_group_list($filter=array()) { +    return $this->driver->get_group_list($filter); +  } + +  /** +   * Return the edit rules associated with an group. +   * +   * @param  string   $object_type to return rules for ("user"|"group") +   * @return stdClass containing the rules +   */ +  public function get_edit_rules($object_type) { +    return $this->driver->get_edit_rules($object_type); +  } +} // End Identity diff --git a/modules/gallery/libraries/drivers/Identity.php b/modules/gallery/libraries/drivers/Identity.php new file mode 100644 index 00000000..ca80aad5 --- /dev/null +++ b/modules/gallery/libraries/drivers/Identity.php @@ -0,0 +1,286 @@ +<?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. + */ +interface Identity_Driver { +  /** +   * Return the guest user. +   * +   * @todo consider caching +   * +   * @return User_Model +   */ +  public function guest(); + +  /** +   * Create a new user. +   * +   * @param string  $name +   * @param string  $full_name +   * @param string  $password +   * @return User_Core +   */ +  public function create_user($name, $full_name, $password); + +  /** +   * Is the password provided correct? +   * +   * @param user User Model +   * @param string $password a plaintext password +   * @return boolean true if the password is correct +   */ +  public function is_correct_password($user, $password); + +  /** +   * Create the hashed passwords. +   * @param string $password a plaintext password +   * @return string hashed password +   */ +  public function hash_password($password); + +  /** +   * Look up a user by by search the specified field. +   * @param string      search field +   * @param string      search value +   * @return User_Core  the user object, or null if the name was invalid. +   */ +  public function lookup_user_by_field($field, $value); + +  /** +   * Create a new group. +   * +   * @param string  $name +   * @return Group_Model +   */ +  public function create_group($name); + +  /** +   * The group of all possible visitors.  This includes the guest user. +   * +   * @return Group_Model +   */ +  public function everybody(); + +  /** +   * The group of all logged-in visitors.  This does not include guest users. +   * +   * @return Group_Model +   */ +  public function registered_users(); + +  /** +   * List the users +   * @param mixed      options to apply to the selection of the user +   *                   @todo Do a longer write up on format of filters (@see Database.php) +   * @return array     the group list. +   */ +  public function get_user_list($filter=array()); + +  /** +   * List the groups +   * @param mixed      options to apply to the selection of the group +   *                   @todo Do a longer write up on format of filters (@see Database.php) +   * @return array     the group list. +   */ +  public function get_group_list($filter=array()); + +  /** +   * Return the edit rules associated with an group. +   * +   * @param  string   $object_type to return rules for ("user"|"group") +   * @return stdClass containing the rules +   */ +  public function get_edit_rules($object_type); +} // End Identity Driver Definition + +/** + * User Data wrapper + */ +abstract class User_Definition { +  protected $user; +  public function __get($column) { +    switch ($column) { +    case "id": +    case "name": +    case "full_name": +    case "password": +    case "login_count": +    case "last_login": +    case "email": +    case "admin": +    case "guest": +    case "hash": +    case "url": +    case "locale": +    case "groups": +      return $this->user->$column; +    case "hashed_password": +      throw new Exception("@todo WRITE ONLY FIELD: $column"); +      break; +    default: +      throw new Exception("@todo UNSUPPORTED FIELD: $column"); +      break; +    } +  } + +  public function __set($column, $value) { +    switch ($column) { +    case "id": +    case "groups": +      throw new Exception("@todo READ ONLY FIELD: $column"); +      break; +    case "name": +    case "full_name": +    case "hashed_password": +    case "password": +    case "login_count": +    case "last_login": +    case "email": +    case "admin": +    case "guest": +    case "hash": +    case "url": +    case "locale": +      $this->user->$column = $value; +      break; +    default: +      throw new Exception("@todo UNSUPPORTED FIELD: $column"); +      break; +    } +  } + +  public function __isset($column) { +    return isset($this->user->$column); +  } + +  public function __unset($column) { +    switch ($column) { +    case "id": +    case "groups": +      throw new Exception("@todo READ ONLY FIELD: $column"); +      break; +    case "name": +    case "full_name": +    case "password": +    case "login_count": +    case "last_login": +    case "email": +    case "admin": +    case "guest": +    case "hash": +    case "url": +    case "locale": +      unset($this->user->$column); +      break; +    case "hashed_password": +      throw new Exception("@todo WRITE ONLY FIELD: $column"); +    default: +      throw new Exception("@todo UNSUPPORTED FIELD: $column"); +      break; +    } +  } + +  /** +   * Return a url to the user's avatar image. +   * @param integer $size the target size of the image (default 80px) +   * @return string a url +   */ +  public function avatar_url($size=80, $default=null) { +    return sprintf("http://www.gravatar.com/avatar/%s.jpg?s=%d&r=pg%s", +                   md5($this->user->email), $size, $default ? "&d=" . urlencode($default) : ""); +  } + +  /** +   * Return the best version of the user's name.  Either their specified full name, or fall back +   * to the user name. +   * @return string +   */ +  public function display_name() { +    return empty($this->user->full_name) ? $this->user->name : $this->user->full_name; +  } + +  public function uncloaked() { +    return $this->user; +  } + +  abstract public function save(); +  abstract public function delete(); +} + +/** + * Group Data wrapper + */ +abstract class Group_Definition { +  protected $group; + +  public function __get($column) { +    switch ($column) { +    case "id": +    case "name": +    case "special": +    case "users": +      return $this->group->$column; +    default: +      throw new Exception("@todo UNSUPPORTED FIELD: $column"); +      break; +    } +  } + +  public function __set($column, $value) { +    switch ($column) { +    case "id": +    case "users": +      throw new Exception("@todo READ ONLY FIELD: $column"); +      break; +    case "name": +    case "special": +      $this->group->$column = $value; +    default: +      throw new Exception("@todo UNSUPPORTED FIELD: $column"); +      break; +    } +  } + +  public function __isset($column) { +    return isset($this->group->$column); +  } + +  public function __unset($column) { +    switch ($column) { +    case "id": +    case "users": +      throw new Exception("@todo READ ONLY FIELD: $column"); +      break; +    case "name": +    case "special": +      unset($this->group->$column); +    default: +      throw new Exception("@todo UNSUPPORTED FIELD: $column"); +      break; +    } +  } + +  public function uncloaked() { +    return $this->group; +  } + +  abstract public function save(); +  abstract public function delete(); +  abstract public function add($user); +  abstract public function remove($user); +} | 
