src/Module/Security/Login.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2021, the Friendica project
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Module\Security;
  23
  24 use Friendica\BaseModule;
  25 use Friendica\Core\Hook;
  26 use Friendica\Core\Renderer;
  27 use Friendica\Core\Session;
  28 use Friendica\DI;
  29 use Friendica\Module\Register;
  30 use Friendica\Util\Strings;
  31
  32 /**
  33  * Login module
  34  */
  35 class Login extends BaseModule
  36 {
  37         public static function content(array $parameters = [])
  38         {
  39                 if (local_user()) {
  40                         DI::baseUrl()->redirect();
  41                 }
  42
  43                 return self::form(Session::get('return_path'), intval(DI::config()->get('config', 'register_policy')) !== \Friendica\Module\Register::CLOSED);
  44         }
  45
  46         public static function post(array $parameters = [])
  47         {
  48                 $return_path = Session::get('return_path');
  49                 Session::clear();
  50                 Session::set('return_path', $return_path);
  51
  52                 // OpenId Login
  53                 if (
  54                         empty($_POST['password'])
  55                         && (!empty($_POST['openid_url'])
  56                                 || !empty($_POST['username']))
  57                 ) {
  58                         $openid_url = trim(($_POST['openid_url'] ?? '') ?: $_POST['username']);
  59
  60                         DI::auth()->withOpenId($openid_url, !empty($_POST['remember']));
  61                 }
  62
  63                 if (!empty($_POST['auth-params']) && $_POST['auth-params'] === 'login') {
  64                         DI::auth()->withPassword(
  65                                 DI::app(),
  66                                 trim($_POST['username']),
  67                                 trim($_POST['password']),
  68                                 !empty($_POST['remember'])
  69                         );
  70                 }
  71         }
  72
  73         /**
  74          * Wrapper for adding a login box.
  75          *
  76          * @param string $return_path  The path relative to the base the user should be sent
  77          *                             back to after login completes
  78          * @param bool   $register     If $register == true provide a registration link.
  79          *                             This will most always depend on the value of config.register_policy.
  80          * @param array  $hiddens      optional
  81          *
  82          * @return string Returns the complete html for inserting into the page
  83          *
  84          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  85          * @hooks 'login_hook' string $o
  86          */
  87         public static function form($return_path = null, $register = false, $hiddens = [])
  88         {
  89                 $o = '';
  90
  91                 $noid = DI::config()->get('system', 'no_openid');
  92
  93                 if ($noid) {
  94                         Session::remove('openid_identity');
  95                         Session::remove('openid_attributes');
  96                 }
  97
  98                 $reg = false;
  99                 if ($register && intval(DI::config()->get('config', 'register_policy')) !== Register::CLOSED) {
 100                         $reg = [
 101                                 'title' => DI::l10n()->t('Create a New Account'),
 102                                 'desc' => DI::l10n()->t('Register'),
 103                                 'url' => self::getRegisterURL()
 104                         ];
 105                 }
 106
 107                 if (is_null($return_path)) {
 108                         $return_path = DI::args()->getQueryString();
 109                 }
 110
 111                 if (local_user()) {
 112                         $tpl = Renderer::getMarkupTemplate('logout.tpl');
 113                 } else {
 114                         DI::page()['htmlhead'] .= Renderer::replaceMacros(
 115                                 Renderer::getMarkupTemplate('login_head.tpl'),
 116                                 [
 117                                         '$baseurl' => DI::baseUrl()->get(true)
 118                                 ]
 119                         );
 120
 121                         $tpl = Renderer::getMarkupTemplate('login.tpl');
 122                         $_SESSION['return_path'] = $return_path;
 123                 }
 124
 125                 if (!empty(Session::get('openid_identity'))) {
 126                         $openid_title = DI::l10n()->t('Your OpenID: ');
 127                         $openid_readonly = true;
 128                         $identity = Session::get('openid_identity');
 129                         $username_desc = DI::l10n()->t('Please enter your username and password to add the OpenID to your existing account.');
 130                 } else {
 131                         $openid_title = DI::l10n()->t('Or login using OpenID: ');
 132                         $openid_readonly = false;
 133                         $identity = '';
 134                         $username_desc = '';
 135                 }
 136
 137                 $o .= Renderer::replaceMacros(
 138                         $tpl,
 139                         [
 140                                 '$dest_url'     => DI::baseUrl()->get(true) . '/login',
 141                                 '$logout'       => DI::l10n()->t('Logout'),
 142                                 '$login'        => DI::l10n()->t('Login'),
 143
 144                                 '$lname'        => ['username', DI::l10n()->t('Nickname or Email: '), '', $username_desc],
 145                                 '$lpassword'    => ['password', DI::l10n()->t('Password: '), '', ''],
 146                                 '$lremember'    => ['remember', DI::l10n()->t('Remember me'), 0,  ''],
 147
 148                                 '$openid'       => !$noid,
 149                                 '$lopenid'      => ['openid_url', $openid_title, $identity, '', $openid_readonly],
 150
 151                                 '$hiddens'      => $hiddens,
 152
 153                                 '$register'     => $reg,
 154
 155                                 '$lostpass'     => DI::l10n()->t('Forgot your password?'),
 156                                 '$lostlink'     => DI::l10n()->t('Password Reset'),
 157
 158                                 '$tostitle'     => DI::l10n()->t('Website Terms of Service'),
 159                                 '$toslink'      => DI::l10n()->t('terms of service'),
 160
 161                                 '$privacytitle' => DI::l10n()->t('Website Privacy Policy'),
 162                                 '$privacylink'  => DI::l10n()->t('privacy policy'),
 163                         ]
 164                 );
 165
 166                 Hook::callAll('login_hook', $o);
 167
 168                 return $o;
 169         }
 170
 171         /**
 172          * Get the URL to the register page and add OpenID parameters to it
 173          */
 174         private static function getRegisterURL()
 175         {
 176                 if (empty(Session::get('openid_identity'))) {
 177                         return 'register';
 178                 }
 179
 180                 $args = [];
 181                 $attr = Session::get('openid_attributes', []);
 182
 183                 if (is_array($attr) && count($attr)) {
 184                         foreach ($attr as $k => $v) {
 185                                 if ($k === 'namePerson/friendly') {
 186                                         $nick = Strings::escapeTags(trim($v));
 187                                 }
 188                                 if ($k === 'namePerson/first') {
 189                                         $first = Strings::escapeTags(trim($v));
 190                                 }
 191                                 if ($k === 'namePerson') {
 192                                         $args['username'] = Strings::escapeTags(trim($v));
 193                                 }
 194                                 if ($k === 'contact/email') {
 195                                         $args['email'] = Strings::escapeTags(trim($v));
 196                                 }
 197                                 if ($k === 'media/image/aspect11') {
 198                                         $photosq = bin2hex(trim($v));
 199                                 }
 200                                 if ($k === 'media/image/default') {
 201                                         $photo = bin2hex(trim($v));
 202                                 }
 203                         }
 204                 }
 205
 206                 if (!empty($nick)) {
 207                         $args['nickname'] = $nick;
 208                 } elseif (!empty($first)) {
 209                         $args['nickname'] = $first;
 210                 }
 211
 212                 if (!empty($photosq)) {
 213                         $args['photo'] = $photosq;
 214                 } elseif (!empty($photo)) {
 215                         $args['photo'] = $photo;
 216                 }
 217
 218                 $args['openid_url'] = Strings::escapeTags(trim(Session::get('openid_identity')));
 219
 220                 return 'register?' . http_build_query($args);
 221         }
 222 }