134 lines
4.5 KiB
PHP
134 lines
4.5 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");
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/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2013 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class auth_Core {
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static function get_login_form($url) {
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$form = new Forge($url, "", "post", array("id" => "g-login-form"));
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$form->set_attr("class", "g-narrow");
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$form->hidden("continue_url")->value(Session::instance()->get("continue_url"));
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$group = $form->group("login")->label(t("Login"));
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$group->input("name")->label(t("Username"))->id("g-username")->class(null)
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->callback("auth::validate_too_many_failed_logins")
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->error_messages(
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"too_many_failed_logins", t("Too many failed login attempts. Try again later"));
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$group->password("password")->label(t("Password"))->id("g-password")->class(null);
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$group->inputs["name"]->error_messages("invalid_login", t("Invalid name or password"));
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$group->submit("")->value(t("Login"));
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return $form;
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}
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static function login($user) {
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identity::set_active_user($user);
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if (identity::is_writable()) {
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$user->login_count += 1;
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$user->last_login = time();
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$user->save();
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}
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log::info("user", t("User %name logged in", array("name" => $user->name)));
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module::event("user_login", $user);
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}
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static function logout() {
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$user = identity::active_user();
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if (!$user->guest) {
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try {
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Session::instance()->destroy();
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} catch (Exception $e) {
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Kohana_Log::add("error", $e);
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}
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module::event("user_logout", $user);
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}
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log::info("user", t("User %name logged out", array("name" => $user->name)),
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t('<a href="%url">%user_name</a>',
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array("url" => user_profile::url($user->id),
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"user_name" => html::clean($user->name))));
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}
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/**
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* After there have been 5 failed auth attempts, any failure leads to getting locked out for a
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* minute.
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*/
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static function too_many_failures($name) {
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$failed = ORM::factory("failed_auth")
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->where("name", "=", $name)
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->find();
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return ($failed->loaded() &&
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$failed->count > 5 &&
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(time() - $failed->time < 60));
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}
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static function validate_too_many_failed_logins($name_input) {
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if (auth::too_many_failures($name_input->value)) {
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$name_input->add_error("too_many_failed_logins", 1);
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}
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}
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static function validate_too_many_failed_auth_attempts($form_input) {
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if (auth::too_many_failures(identity::active_user()->name)) {
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$form_input->add_error("too_many_failed_auth_attempts", 1);
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}
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}
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/**
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* Record a failed authentication for this user
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*/
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static function record_failed_attempt($name) {
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$failed = ORM::factory("failed_auth")
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->where("name", "=", $name)
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->find();
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if (!$failed->loaded()) {
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$failed->name = $name;
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}
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$failed->time = time();
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$failed->count++;
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$failed->save();
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}
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/**
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* Clear any failed logins for this user
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*/
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static function clear_failed_attempts($user) {
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ORM::factory("failed_auth")
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->where("name", "=", $user->name)
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->delete_all();
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}
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/**
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* Checks whether the current user (= admin) must
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* actively re-authenticate before access is given
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* to the admin area.
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*/
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static function must_reauth_for_admin_area() {
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if (!identity::active_user()->admin) {
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access::forbidden();
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}
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$session = Session::instance();
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$last_active_auth = $session->get("active_auth_timestamp", 0);
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$last_admin_area_activity = $session->get("admin_area_activity_timestamp", 0);
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$admin_area_timeout = module::get_var("gallery", "admin_area_timeout");
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if (max($last_active_auth, $last_admin_area_activity) + $admin_area_timeout < time()) {
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return true;
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}
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$session->set("admin_area_activity_timestamp", time());
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return false;
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}
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} |