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
  31 /**
  32  * Login module
  33  */
  34 class Login extends BaseModule
  35 {
  36         protected function content(array $request = []): string
  37         {
  38                 $return_path = $_REQUEST['return_path'] ?? '' ;
  39
  40                 if (local_user()) {
  41                         DI::baseUrl()->redirect($return_path);
  42                 } elseif (!empty($return_path)) {
  43                         Session::set('return_path', $return_path);
  44                 }
  45
  46                 return self::form(Session::get('return_path'), intval(DI::config()->get('config', 'register_policy')) !== \Friendica\Module\Register::CLOSED);
  47         }
  48
  49         protected function post(array $request = [])
  50         {
  51                 $return_path = Session::get('return_path');
  52                 Session::clear();
  53                 Session::set('return_path', $return_path);
  54
  55                 // OpenId Login
  56                 if (
  57                         empty($_POST['password'])
  58                         && (!empty($_POST['openid_url'])
  59                                 || !empty($_POST['username']))
  60                 ) {
  61                         $openid_url = trim(($_POST['openid_url'] ?? '') ?: $_POST['username']);
  62
  63                         DI::auth()->withOpenId($openid_url, !empty($_POST['remember']));
  64                 }
  65
  66                 if (!empty($_POST['auth-params']) && $_POST['auth-params'] === 'login') {
  67                         DI::auth()->withPassword(
  68                                 DI::app(),
  69                                 trim($_POST['username']),
  70                                 trim($_POST['password']),
  71                                 !empty($_POST['remember'])
  72                         );
  73                 }
  74         }
  75
  76         /**
  77          * Wrapper for adding a login box.
  78          *
  79          * @param string $return_path  The path relative to the base the user should be sent
  80          *                             back to after login completes
  81          * @param bool   $register     If $register == true provide a registration link.
  82          *                             This will most always depend on the value of config.register_policy.
  83          * @param array  $hiddens      optional
  84          *
  85          * @return string Returns the complete html for inserting into the page
  86          *
  87          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
  88          * @hooks 'login_hook' string $o
  89          */
  90         public static function form($return_path = null, $register = false, $hiddens = [])
  91         {
  92                 $o = '';
  93
  94                 $noid = DI::config()->get('system', 'no_openid');
  95
  96                 if ($noid) {
  97                         Session::remove('openid_identity');
  98                         Session::remove('openid_attributes');
  99                 }
 100
 101                 $reg = false;
 102                 if ($register && intval(DI::config()->get('config', 'register_policy')) !== Register::CLOSED) {
 103                         $reg = [
 104                                 'title' => DI::l10n()->t('Create a New Account'),
 105                                 'desc' => DI::l10n()->t('Register'),
 106                                 'url' => self::getRegisterURL()
 107                         ];
 108                 }
 109
 110                 if (is_null($return_path)) {
 111                         $return_path = DI::args()->getQueryString();
 112                 }
 113
 114                 if (local_user()) {
 115                         $tpl = Renderer::getMarkupTemplate('logout.tpl');
 116                 } else {
 117                         DI::page()['htmlhead'] .= Renderer::replaceMacros(
 118                                 Renderer::getMarkupTemplate('login_head.tpl'),
 119                                 [
 120                                         '$baseurl' => DI::baseUrl()->get(true)
 121                                 ]
 122                         );
 123
 124                         $tpl = Renderer::getMarkupTemplate('login.tpl');
 125                         $_SESSION['return_path'] = $return_path;
 126                 }
 127
 128                 if (!empty(Session::get('openid_identity'))) {
 129                         $openid_title = DI::l10n()->t('Your OpenID: ');
 130                         $openid_readonly = true;
 131                         $identity = Session::get('openid_identity');
 132                         $username_desc = DI::l10n()->t('Please enter your username and password to add the OpenID to your existing account.');
 133                 } else {
 134                         $openid_title = DI::l10n()->t('Or login using OpenID: ');
 135                         $openid_readonly = false;
 136                         $identity = '';
 137                         $username_desc = '';
 138                 }
 139
 140                 $o .= Renderer::replaceMacros(
 141                         $tpl,
 142                         [
 143                                 '$dest_url'     => DI::baseUrl()->get(true) . '/login',
 144                                 '$logout'       => DI::l10n()->t('Logout'),
 145                                 '$login'        => DI::l10n()->t('Login'),
 146
 147                                 '$lname'        => ['username', DI::l10n()->t('Nickname or Email: '), '', $username_desc],
 148                                 '$lpassword'    => ['password', DI::l10n()->t('Password: '), '', ''],
 149                                 '$lremember'    => ['remember', DI::l10n()->t('Remember me'), 0,  ''],
 150
 151                                 '$openid'       => !$noid,
 152                                 '$lopenid'      => ['openid_url', $openid_title, $identity, '', $openid_readonly],
 153
 154                                 '$hiddens'      => $hiddens,
 155
 156                                 '$register'     => $reg,
 157
 158                                 '$lostpass'     => DI::l10n()->t('Forgot your password?'),
 159                                 '$lostlink'     => DI::l10n()->t('Password Reset'),
 160
 161                                 '$tostitle'     => DI::l10n()->t('Website Terms of Service'),
 162                                 '$toslink'      => DI::l10n()->t('terms of service'),
 163
 164                                 '$privacytitle' => DI::l10n()->t('Website Privacy Policy'),
 165                                 '$privacylink'  => DI::l10n()->t('privacy policy'),
 166                         ]
 167                 );
 168
 169                 Hook::callAll('login_hook', $o);
 170
 171                 return $o;
 172         }
 173
 174         /**
 175          * Get the URL to the register page and add OpenID parameters to it
 176          */
 177         private static function getRegisterURL()
 178         {
 179                 if (empty(Session::get('openid_identity'))) {
 180                         return 'register';
 181                 }
 182
 183                 $args = [];
 184                 $attr = Session::get('openid_attributes', []);
 185
 186                 if (is_array($attr) && count($attr)) {
 187                         foreach ($attr as $k => $v) {
 188                                 if ($k === 'namePerson/friendly') {
 189                                         $nick = trim($v);
 190                                 }
 191                                 if ($k === 'namePerson/first') {
 192                                         $first = trim($v);
 193                                 }
 194                                 if ($k === 'namePerson') {
 195                                         $args['username'] = trim($v);
 196                                 }
 197                                 if ($k === 'contact/email') {
 198                                         $args['email'] = trim($v);
 199                                 }
 200                                 if ($k === 'media/image/aspect11') {
 201                                         $photosq = bin2hex(trim($v));
 202                                 }
 203                                 if ($k === 'media/image/default') {
 204                                         $photo = bin2hex(trim($v));
 205                                 }
 206                         }
 207                 }
 208
 209                 if (!empty($nick)) {
 210                         $args['nickname'] = $nick;
 211                 } elseif (!empty($first)) {
 212                         $args['nickname'] = $first;
 213                 }
 214
 215                 if (!empty($photosq)) {
 216                         $args['photo'] = $photosq;
 217                 } elseif (!empty($photo)) {
 218                         $args['photo'] = $photo;
 219                 }
 220
 221                 $args['openid_url'] = trim(Session::get('openid_identity'));
 222
 223                 return 'register?' . http_build_query($args);
 224         }
 225 }