includes/specials/SpecialChangePassword.php

   1 <?php
   2 /**
   3  * Implements Special:ChangePassword
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup SpecialPage
  22  */
  23
  24 /**
  25  * Let users recover their password.
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialChangePassword extends UnlistedSpecialPage {
  30         public function __construct() {
  31                 parent::__construct( 'ChangePassword' );
  32         }
  33
  34         /**
  35          * Main execution point
  36          */
  37         function execute( $par ) {
  38                 global $wgAuth;
  39
  40                 $this->checkReadOnly();
  41
  42                 $request = $this->getRequest();
  43                 $this->mUserName = trim( $request->getVal( 'wpName' ) );
  44                 $this->mOldpass = $request->getVal( 'wpPassword' );
  45                 $this->mNewpass = $request->getVal( 'wpNewPassword' );
  46                 $this->mRetype = $request->getVal( 'wpRetype' );
  47                 $this->mDomain = $request->getVal( 'wpDomain' );
  48
  49                 $this->setHeaders();
  50                 $this->outputHeader();
  51                 $this->getOutput()->disallowUserJs();
  52
  53                 $user = $this->getUser();
  54                 if( !$request->wasPosted() && !$user->isLoggedIn() ) {
  55                         $this->error( $this->msg( 'resetpass-no-info' )->text() );
  56                         return;
  57                 }
  58
  59                 if( $request->wasPosted() && $request->getBool( 'wpCancel' ) ) {
  60                         $this->doReturnTo();
  61                         return;
  62                 }
  63
  64                 if( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'token' ) ) ) {
  65                         try {
  66                                 $this->mDomain = $wgAuth->getDomain();
  67                                 if( !$wgAuth->allowPasswordChange() ) {
  68                                         $this->error( $this->msg( 'resetpass_forbidden' )->text() );
  69                                         return;
  70                                 }
  71
  72                                 $this->attemptReset( $this->mNewpass, $this->mRetype );
  73                                 $this->getOutput()->addWikiMsg( 'resetpass_success' );
  74                                 if( !$user->isLoggedIn() ) {
  75                                         LoginForm::setLoginToken();
  76                                         $token = LoginForm::getLoginToken();
  77                                         $data = array(
  78                                                 'action'       => 'submitlogin',
  79                                                 'wpName'       => $this->mUserName,
  80                                                 'wpDomain'     => $this->mDomain,
  81                                                 'wpLoginToken' => $token,
  82                                                 'wpPassword'   => $this->mNewpass,
  83                                                 'returnto'     => $request->getVal( 'returnto' ),
  84                                         );
  85                                         if( $request->getCheck( 'wpRemember' ) ) {
  86                                                 $data['wpRemember'] = 1;
  87                                         }
  88                                         $login = new LoginForm( new FauxRequest( $data, true ) );
  89                                         $login->setContext( $this->getContext() );
  90                                         $login->execute( null );
  91                                 }
  92                                 $this->doReturnTo();
  93                         } catch( PasswordError $e ) {
  94                                 $this->error( $e->getMessage() );
  95                         }
  96                 }
  97                 $this->showForm();
  98         }
  99
 100         function doReturnTo() {
 101                 $titleObj = Title::newFromText( $this->getRequest()->getVal( 'returnto' ) );
 102                 if ( !$titleObj instanceof Title ) {
 103                         $titleObj = Title::newMainPage();
 104                 }
 105                 $this->getOutput()->redirect( $titleObj->getFullURL() );
 106         }
 107
 108         function error( $msg ) {
 109                 $this->getOutput()->addHTML( Xml::element('p', array( 'class' => 'error' ), $msg ) );
 110         }
 111
 112         function showForm() {
 113                 global $wgCookieExpiration;
 114
 115                 $user = $this->getUser();
 116                 if ( !$this->mUserName ) {
 117                         $this->mUserName = $user->getName();
 118                 }
 119                 $rememberMe = '';
 120                 if ( !$user->isLoggedIn() ) {
 121                         $rememberMe = '<tr>' .
 122                                 '<td></td>' .
 123                                 '<td class="mw-input">' .
 124                                         Xml::checkLabel(
 125                                                 $this->msg( 'remembermypassword' )->numParams( ceil( $wgCookieExpiration / ( 3600 * 24 ) ) )->text(),
 126                                                 'wpRemember', 'wpRemember',
 127                                                 $this->getRequest()->getCheck( 'wpRemember' ) ) .
 128                                 '</td>' .
 129                         '</tr>';
 130                         $submitMsg = 'resetpass_submit';
 131                         $oldpassMsg = 'resetpass-temp-password';
 132                 } else {
 133                         $oldpassMsg = 'oldpassword';
 134                         $submitMsg = 'resetpass-submit-loggedin';
 135                 }
 136                 $extraFields = array();
 137                 wfRunHooks( 'ChangePasswordForm', array( &$extraFields ) );
 138                 $prettyFields = array(
 139                                         array( 'wpName', 'username', 'text', $this->mUserName ),
 140                                         array( 'wpPassword', $oldpassMsg, 'password', $this->mOldpass ),
 141                                         array( 'wpNewPassword', 'newpassword', 'password', null ),
 142                                         array( 'wpRetype', 'retypenew', 'password', null ),
 143                                 );
 144                 $prettyFields = array_merge( $prettyFields, $extraFields );
 145                 $this->getOutput()->addHTML(
 146                         Xml::fieldset( $this->msg( 'resetpass_header' )->text() ) .
 147                         Xml::openElement( 'form',
 148                                 array(
 149                                         'method' => 'post',
 150                                         'action' => $this->getTitle()->getLocalUrl(),
 151                                         'id' => 'mw-resetpass-form' ) ) . "\n" .
 152                         Html::hidden( 'token', $user->getEditToken() ) . "\n" .
 153                         Html::hidden( 'wpName', $this->mUserName ) . "\n" .
 154                         Html::hidden( 'wpDomain', $this->mDomain ) . "\n" .
 155                         Html::hidden( 'returnto', $this->getRequest()->getVal( 'returnto' ) ) . "\n" .
 156                         $this->msg( 'resetpass_text' )->parseAsBlock() . "\n" .
 157                         Xml::openElement( 'table', array( 'id' => 'mw-resetpass-table' ) ) . "\n" .
 158                         $this->pretty( $prettyFields ) . "\n" .
 159                         $rememberMe .
 160                         "<tr>\n" .
 161                                 "<td></td>\n" .
 162                                 '<td class="mw-input">' .
 163                                         Xml::submitButton( $this->msg( $submitMsg )->text() ) .
 164                                         Xml::submitButton( $this->msg( 'resetpass-submit-cancel' )->text(), array( 'name' => 'wpCancel' ) ) .
 165                                 "</td>\n" .
 166                         "</tr>\n" .
 167                         Xml::closeElement( 'table' ) .
 168                         Xml::closeElement( 'form' ) .
 169                         Xml::closeElement( 'fieldset' ) . "\n"
 170                 );
 171         }
 172
 173         function pretty( $fields ) {
 174                 $out = '';
 175                 foreach ( $fields as $list ) {
 176                         list( $name, $label, $type, $value ) = $list;
 177                         if( $type == 'text' ) {
 178                                 $field = htmlspecialchars( $value );
 179                         } else {
 180                                 $attribs = array( 'id' => $name );
 181                                 if ( $name == 'wpNewPassword' || $name == 'wpRetype' ) {
 182                                         $attribs = array_merge( $attribs,
 183                                                 User::passwordChangeInputAttribs() );
 184                                 }
 185                                 if ( $name == 'wpPassword' ) {
 186                                         $attribs[] = 'autofocus';
 187                                 }
 188                                 $field = Html::input( $name, $value, $type, $attribs );
 189                         }
 190                         $out .= "<tr>\n";
 191                         $out .= "\t<td class='mw-label'>";
 192                         if ( $type != 'text' )
 193                                 $out .= Xml::label( $this->msg( $label )->text(), $name );
 194                         else
 195                                 $out .=  $this->msg( $label )->escaped();
 196                         $out .= "</td>\n";
 197                         $out .= "\t<td class='mw-input'>";
 198                         $out .= $field;
 199                         $out .= "</td>\n";
 200                         $out .= "</tr>";
 201                 }
 202                 return $out;
 203         }
 204
 205         /**
 206          * @throws PasswordError when cannot set the new password because requirements not met.
 207          */
 208         protected function attemptReset( $newpass, $retype ) {
 209                 $user = User::newFromName( $this->mUserName );
 210                 if( !$user || $user->isAnon() ) {
 211                         throw new PasswordError( $this->msg( 'nosuchusershort', $this->mUserName )->text() );
 212                 }
 213
 214                 if( $newpass !== $retype ) {
 215                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'badretype' ) );
 216                         throw new PasswordError( $this->msg( 'badretype' )->text() );
 217                 }
 218
 219                 $throttleCount = LoginForm::incLoginThrottle( $this->mUserName );
 220                 if ( $throttleCount === true ) {
 221                         throw new PasswordError( $this->msg( 'login-throttled' )->text() );
 222                 }
 223
 224                 if( !$user->checkTemporaryPassword($this->mOldpass) && !$user->checkPassword($this->mOldpass) ) {
 225                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'wrongpassword' ) );
 226                         throw new PasswordError( $this->msg( 'resetpass-wrong-oldpass' )->text() );
 227                 }
 228
 229                 // Please reset throttle for successful logins, thanks!
 230                 if ( $throttleCount ) {
 231                         LoginForm::clearLoginThrottle( $this->mUserName );
 232                 }
 233
 234                 try {
 235                         $user->setPassword( $this->mNewpass );
 236                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'success' ) );
 237                         $this->mNewpass = $this->mOldpass = $this->mRetypePass = '';
 238                 } catch( PasswordError $e ) {
 239                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'error' ) );
 240                         throw new PasswordError( $e->getMessage() );
 241                 }
 242
 243                 $user->setCookies();
 244                 $user->saveSettings();
 245         }
 246 }