diff options
Diffstat (limited to 'modules/user')
-rw-r--r-- | modules/user/controllers/password.php | 133 | ||||
-rw-r--r-- | modules/user/helpers/group.php | 120 | ||||
-rw-r--r-- | modules/user/helpers/user.php | 279 | ||||
-rw-r--r-- | modules/user/views/reset_password.html.php | 17 |
4 files changed, 549 insertions, 0 deletions
diff --git a/modules/user/controllers/password.php b/modules/user/controllers/password.php new file mode 100644 index 00000000..e8b08960 --- /dev/null +++ b/modules/user/controllers/password.php @@ -0,0 +1,133 @@ +<?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 Password_Controller extends Controller { + public function reset() { + if (request::method() == "post") { + // @todo separate the post from get parts of this function + access::verify_csrf(); + $this->_send_reset(); + } else { + print $this->_reset_form(); + } + } + + public function do_reset() { + if (request::method() == "post") { + $this->_change_password(); + } else { + $user = user::lookup_by_hash(Input::instance()->get("key")); + if (!empty($user)) { + print $this->_new_password_form($user->hash); + } else { + throw new Exception("@todo FORBIDDEN", 503); + } + } + } + + private function _send_reset() { + $form = $this->_reset_form(); + + $valid = $form->validate(); + if ($valid) { + $user = user::lockup_by_name($form->reset->inputs["name"]->value); + if (!$user->loaded || empty($user->email)) { + $form->reset->inputs["name"]->add_error("no_email", 1); + $valid = false; + } + } + + if ($valid) { + $user->hash = md5(rand()); + $user->save(); + $message = new View("reset_password.html"); + $message->confirm_url = url::abs_site("password/do_reset?key=$user->hash"); + $message->user = $user; + + Sendmail::factory() + ->to($user->email) + ->subject(t("Password Reset Request")) + ->header("Mime-Version", "1.0") + ->header("Content-type", "text/html; charset=iso-8859-1") + ->message($message->render()) + ->send(); + + log::success( + "user", + t("Password reset email sent for user %name", array("name" => $user->name))); + } else { + // Don't include the username here until you're sure that it's XSS safe + log::warning( + "user", "Password reset email requested for bogus user"); + } + + message::success(t("Password reset email sent")); + print json_encode( + array("result" => "success")); + } + + private function _reset_form() { + $form = new Forge(url::current(true), "", "post", array("id" => "g-reset-form")); + $group = $form->group("reset")->label(t("Reset Password")); + $group->input("name")->label(t("Username"))->id("g-name")->class(null)->rules("required"); + $group->inputs["name"]->error_messages("no_email", t("No email, unable to reset password")); + $group->submit("")->value(t("Reset")); + + return $form; + } + + private function _new_password_form($hash=null) { + $template = new Theme_View("page.html", "reset"); + + $form = new Forge("password/do_reset", "", "post", array("id" => "g-change-password-form")); + $group = $form->group("reset")->label(t("Change Password")); + $hidden = $group->hidden("hash"); + if (!empty($hash)) { + $hidden->value($hash); + } + $group->password("password")->label(t("Password"))->id("g-password") + ->rules("required|length[1,40]"); + $group->password("password2")->label(t("Confirm Password"))->id("g-password2") + ->matches($group->password); + $group->inputs["password2"]->error_messages( + "mistyped", t("The password and the confirm password must match")); + $group->submit("")->value(t("Update")); + + $template->content = $form; + return $template; + } + + private function _change_password() { + $view = $this->_new_password_form(); + if ($view->content->validate()) { + $user = user::lookup_by_hash(Input::instance()->get("key")); + if (empty($user)) { + throw new Exception("@todo FORBIDDEN", 503); + } + + $user->password = $view->content->reset->password->value; + $user->hash = null; + $user->save(); + message::success(t("Password reset successfully")); + url::redirect(item::root()->abs_url()); + } else { + print $view; + } + } +}
\ No newline at end of file diff --git a/modules/user/helpers/group.php b/modules/user/helpers/group.php new file mode 100644 index 00000000..1702fb87 --- /dev/null +++ b/modules/user/helpers/group.php @@ -0,0 +1,120 @@ +<?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. + */ + +/** + * This is the API for handling groups. + * + * Note: by design, this class does not do any permission checking. + */ +class group_Core { + /** + * Create a new group. + * + * @param string $name + * @return Group_Model + */ + static function create($name) { + $group = ORM::factory("group")->where("name", $name)->find(); + if ($group->loaded) { + throw new Exception("@todo GROUP_ALREADY_EXISTS $name"); + } + + $group->name = $name; + $group->save(); + + return $group; + } + + /** + * The group of all possible visitors. This includes the guest user. + * + * @return Group_Model + */ + static function everybody() { + return model_cache::get("group", 1); + } + + /** + * The group of all logged-in visitors. This does not include guest users. + * + * @return Group_Model + */ + static function registered_users() { + return model_cache::get("group", 2); + } + + /** + * Look up a user by id. + * @param integer $id the user id + * @return User_Model the user object, or null if the id was invalid. + */ + static function lookup($id) { + return self::_lookup_group_by_field("id", $id); + } + + /** + * Look up a group by name. + * @param integer $id the group name + * @return Group_Model the group object, or null if the name was invalid. + */ + static function lookup_by_name($name) { + return self::_lookup_group_by_field("name", $name); + } + + /** + * Look up a user by field value. + * @param string search field + * @param string search value + * @return Group_Model the user object, or null if the name was invalid. + */ + private static function _lookup_group_by_field($field_name, $value) { + try { + $user = model_cache::get("group", $value, $field_name); + if ($user->loaded) { + return $user; + } + } catch (Exception $e) { + if (strpos($e->getMessage(), "MISSING_MODEL") === false) { + throw $e; + } + } + return null; + } + + /** + * List the users + * @param mixed filters (@see Database.php + * @return array the group list. + */ + static function get_group_list($filter=array()) { + $group = ORM::factory("group"); + + foreach($filter as $method => $args) { + switch ($method) { + case "in": + $group->in($args[0], $args[1]); + break; + default: + $group->$method($args); + } + } + return $group->find_all(); + } +} diff --git a/modules/user/helpers/user.php b/modules/user/helpers/user.php new file mode 100644 index 00000000..e7e75d64 --- /dev/null +++ b/modules/user/helpers/user.php @@ -0,0 +1,279 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2009 Bharat Mediratta + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at + * your option) any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ + +/** + * This is the API for handling users. + * + * Note: by design, this class does not do any permission checking. + */ +class user_Core { + static function get_login_form($url) { + $form = new Forge($url, "", "post", array("id" => "g-login-form")); + $form->set_attr('class', "g-narrow"); + $group = $form->group("login")->label(t("Login")); + $group->input("name")->label(t("Username"))->id("g-username")->class(null); + $group->password("password")->label(t("Password"))->id("g-password")->class(null); + $group->inputs["name"]->error_messages("invalid_login", t("Invalid name or password")); + $group->submit("")->value(t("Login")); + return $form; + } + + /** + * Make sure that we have a session and group_ids cached in the session. + */ + static function load_user() { + $session = Session::instance(); + if (!($user = $session->get("user"))) { + $session->set("user", $user = user::guest()); + } + + // The installer cannot set a user into the session, so it just sets an id which we should + // upconvert into a user. + if ($user === 2) { + $user = model_cache::get("user", 2); + user::login($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); + } + } + + /** + * Return the array of group ids this user belongs to + * + * @return array + */ + static function group_ids() { + return Session::instance()->get("group_ids", array(1)); + } + + /** + * Return the active user. If there's no active user, return the guest user. + * + * @return User_Model + */ + static function active() { + // @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 = user::guest(); + } + return $user; + } + + /** + * Return the guest user. + * + * @todo consider caching + * + * @return User_Model + */ + static function guest() { + return model_cache::get("user", 1); + } + + /** + * Change the active user. + * + * @return User_Model + */ + static function set_active($user) { + $session = Session::instance(); + $session->set("user", $user); + $session->delete("group_ids"); + self::load_user(); + } + + /** + * Create a new user. + * + * @param string $name + * @param string $full_name + * @param string $password + * @return User_Model + */ + static function create($name, $full_name, $password) { + $user = ORM::factory("user")->where("name", $name)->find(); + if ($user->loaded) { + throw new Exception("@todo USER_ALREADY_EXISTS $name"); + } + + $user->name = $name; + $user->full_name = $full_name; + $user->password = $password; + + // Required groups + $user->add(group::everybody()); + $user->add(group::registered_users()); + + $user->save(); + return $user; + } + + /** + * Is the password provided correct? + * + * @param user User Model + * @param string $password a plaintext password + * @return boolean true if the password is correct + */ + static function is_correct_password($user, $password) { + $valid = $user->password; + + // Try phpass first, since that's what we generate. + if (strlen($valid) == 34) { + require_once(MODPATH . "user/lib/PasswordHash.php"); + $hashGenerator = new PasswordHash(10, true); + return $hashGenerator->CheckPassword($password, $valid); + } + + $salt = substr($valid, 0, 4); + // Support both old (G1 thru 1.4.0; G2 thru alpha-4) and new password schemes: + $guess = (strlen($valid) == 32) ? md5($password) : ($salt . md5($salt . $password)); + if (!strcmp($guess, $valid)) { + return true; + } + + // Passwords with <&"> created by G2 prior to 2.1 were hashed with entities + $sanitizedPassword = html::specialchars($password, false); + $guess = (strlen($valid) == 32) ? md5($sanitizedPassword) + : ($salt . md5($salt . $sanitizedPassword)); + if (!strcmp($guess, $valid)) { + return true; + } + + return false; + } + + /** + * Create the hashed passwords. + * @param string $password a plaintext password + * @return string hashed password + */ + static function hash_password($password) { + require_once(MODPATH . "user/lib/PasswordHash.php"); + $hashGenerator = new PasswordHash(10, true); + return $hashGenerator->HashPassword($password); + } + + /** + * Log in as a given user. + * @param object $user the user object. + */ + static function login($user) { + $user->login_count += 1; + $user->last_login = time(); + $user->save(); + + user::set_active($user); + module::event("user_login", $user); + } + + /** + * Log out the active user and destroy the session. + * @param object $user the user object. + */ + static function logout() { + $user = user::active(); + if (!$user->guest) { + try { + Session::instance()->destroy(); + } catch (Exception $e) { + Kohana::log("error", $e); + } + module::event("user_logout", $user); + } + } + + /** + * Look up a user by id. + * @param integer $id the user id + * @return User_Model the user object, or null if the id was invalid. + */ + static function lookup($id) { + return self::_lookup_user_by_field("id", $id); + } + + /** + * Look up a user by name. + * @param integer $name the user name + * @return User_Model the user object, or null if the name was invalid. + */ + static function lookup_by_name($name) { + return self::_lookup_user_by_field("name", $name); + } + + /** + * Look up a user by hash. + * @param integer $hash the user hash value + * @return User_Model the user object, or null if the name was invalid. + */ + static function lookup_by_hash($hash) { + return self::_lookup_user_by_field("hash", $hash); + } + + /** + * List the users + * @param mixed filters (@see Database.php + * @return array the user list. + */ + static function get_user_list($filter=array()) { + $user = ORM::factory("user"); + + foreach($filter as $method => $args) { + switch ($method) { + case "in": + $user->in($args[0], $args[1]); + break; + default: + $user->$method($args); + } + } + return $user->find_all(); + } + + /** + * Look up a user by field value. + * @param string search field + * @param string search value + * @return User_Core the user object, or null if the name was invalid. + */ + private static function _lookup_user_by_field($field_name, $value) { + try { + $user = model_cache::get("user", $value, $field_name); + if ($user->loaded) { + return $user; + } + } catch (Exception $e) { + if (strpos($e->getMessage(), "MISSING_MODEL") === false) { + throw $e; + } + } + return null; + } +}
\ No newline at end of file diff --git a/modules/user/views/reset_password.html.php b/modules/user/views/reset_password.html.php new file mode 100644 index 00000000..92ca4917 --- /dev/null +++ b/modules/user/views/reset_password.html.php @@ -0,0 +1,17 @@ +<?php defined("SYSPATH") or die("No direct script access.") ?> +<html> + <head> + <title><?= t("Password Reset Request") ?> </title> + </head> + <body> + <h2><?= t("Password Reset Request") ?> </h2> + <p> + <?= t("Hello, %name,", array("name" => $user->full_name ? $user->full_name : $user->name)) ?> + </p> + <p> + <?= t("We received a request to reset your password for <a href=\"%site_url\">%site_url</a>. If you made this request, you can confirm it by <a href=\"%confirm_url\">clicking this link</a>. If you didn't request this password reset, it's ok to ignore this mail.", + array("site_url" => html::mark_clean(url::base(false, "http")), + "confirm_url" => $confirm_url)) ?> + </p> + </body> +</html> |