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
  31         protected $mUserName, $mOldpass, $mNewpass, $mRetype, $mDomain;
  32
  33         public function __construct() {
  34                 parent::__construct( 'ChangePassword' );
  35         }
  36
  37         /**
  38          * Main execution point
  39          */
  40         function execute( $par ) {
  41                 global $wgAuth;
  42
  43                 $this->setHeaders();
  44                 $this->outputHeader();
  45                 $this->getOutput()->disallowUserJs();
  46
  47                 $request = $this->getRequest();
  48                 $this->mUserName = trim( $request->getVal( 'wpName' ) );
  49                 $this->mOldpass = $request->getVal( 'wpPassword' );
  50                 $this->mNewpass = $request->getVal( 'wpNewPassword' );
  51                 $this->mRetype = $request->getVal( 'wpRetype' );
  52                 $this->mDomain = $request->getVal( 'wpDomain' );
  53
  54                 $user = $this->getUser();
  55                 if( !$request->wasPosted() && !$user->isLoggedIn() ) {
  56                         $this->error( $this->msg( 'resetpass-no-info' )->text() );
  57                         return;
  58                 }
  59
  60                 if( $request->wasPosted() && $request->getBool( 'wpCancel' ) ) {
  61                         $this->doReturnTo();
  62                         return;
  63                 }
  64
  65                 $this->checkReadOnly();
  66
  67                 if( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'token' ) ) ) {
  68                         try {
  69                                 $this->mDomain = $wgAuth->getDomain();
  70                                 if( !$wgAuth->allowPasswordChange() ) {
  71                                         $this->error( $this->msg( 'resetpass_forbidden' )->text() );
  72                                         return;
  73                                 }
  74
  75                                 $this->attemptReset( $this->mNewpass, $this->mRetype );
  76
  77                                 if( $user->isLoggedIn() ) {
  78                                         $this->doReturnTo();
  79                                 } else {
  80                                         LoginForm::setLoginToken();
  81                                         $token = LoginForm::getLoginToken();
  82                                         $data = array(
  83                                                 'action'       => 'submitlogin',
  84                                                 'wpName'       => $this->mUserName,
  85                                                 'wpDomain'     => $this->mDomain,
  86                                                 'wpLoginToken' => $token,
  87                                                 'wpPassword'   => $request->getVal( 'wpNewPassword' ),
  88                                                 'returnto'     => $request->getVal( 'returnto' ),
  89                                         );
  90                                         if( $request->getCheck( 'wpRemember' ) ) {
  91                                                 $data['wpRemember'] = 1;
  92                                         }
  93                                         $login = new LoginForm( new FauxRequest( $data, true ) );
  94                                         $login->setContext( $this->getContext() );
  95                                         $login->execute( null );
  96                                 }
  97                                 return;
  98                         } catch( PasswordError $e ) {
  99                                 $this->error( $e->getMessage() );
 100                         }
 101                 }
 102                 $this->showForm();
 103         }
 104
 105         function doReturnTo() {
 106                 $titleObj = Title::newFromText( $this->getRequest()->getVal( 'returnto' ) );
 107                 if ( !$titleObj instanceof Title ) {
 108                         $titleObj = Title::newMainPage();
 109                 }
 110                 $this->getOutput()->redirect( $titleObj->getFullURL() );
 111         }
 112
 113         /**
 114          * @param $msg string
 115          */
 116         function error( $msg ) {
 117                 $this->getOutput()->addHTML( Xml::element( 'p', array( 'class' => 'error' ), $msg ) );
 118         }
 119
 120         function showForm() {
 121                 global $wgCookieExpiration;
 122
 123                 $user = $this->getUser();
 124                 if ( !$this->mUserName ) {
 125                         $this->mUserName = $user->getName();
 126                 }
 127                 $rememberMe = '';
 128                 if ( !$user->isLoggedIn() ) {
 129                         $rememberMe = '<tr>' .
 130                                 '<td></td>' .
 131                                 '<td class="mw-input">' .
 132                                         Xml::checkLabel(
 133                                                 $this->msg( 'remembermypassword' )->numParams( ceil( $wgCookieExpiration / ( 3600 * 24 ) ) )->text(),
 134                                                 'wpRemember', 'wpRemember',
 135                                                 $this->getRequest()->getCheck( 'wpRemember' ) ) .
 136                                 '</td>' .
 137                         '</tr>';
 138                         $submitMsg = 'resetpass_submit';
 139                         $oldpassMsg = 'resetpass-temp-password';
 140                 } else {
 141                         $oldpassMsg = 'oldpassword';
 142                         $submitMsg = 'resetpass-submit-loggedin';
 143                 }
 144                 $extraFields = array();
 145                 wfRunHooks( 'ChangePasswordForm', array( &$extraFields ) );
 146                 $prettyFields = array(
 147                                         array( 'wpName', 'username', 'text', $this->mUserName ),
 148                                         array( 'wpPassword', $oldpassMsg, 'password', $this->mOldpass ),
 149                                         array( 'wpNewPassword', 'newpassword', 'password', null ),
 150                                         array( 'wpRetype', 'retypenew', 'password', null ),
 151                                 );
 152                 $prettyFields = array_merge( $prettyFields, $extraFields );
 153                 $this->getOutput()->addHTML(
 154                         Xml::fieldset( $this->msg( 'resetpass_header' )->text() ) .
 155                         Xml::openElement( 'form',
 156                                 array(
 157                                         'method' => 'post',
 158                                         'action' => $this->getTitle()->getLocalUrl(),
 159                                         'id' => 'mw-resetpass-form' ) ) . "\n" .
 160                         Html::hidden( 'token', $user->getEditToken() ) . "\n" .
 161                         Html::hidden( 'wpName', $this->mUserName ) . "\n" .
 162                         Html::hidden( 'wpDomain', $this->mDomain ) . "\n" .
 163                         Html::hidden( 'returnto', $this->getRequest()->getVal( 'returnto' ) ) . "\n" .
 164                         $this->msg( 'resetpass_text' )->parseAsBlock() . "\n" .
 165                         Xml::openElement( 'table', array( 'id' => 'mw-resetpass-table' ) ) . "\n" .
 166                         $this->pretty( $prettyFields ) . "\n" .
 167                         $rememberMe .
 168                         "<tr>\n" .
 169                                 "<td></td>\n" .
 170                                 '<td class="mw-input">' .
 171                                         Xml::submitButton( $this->msg( $submitMsg )->text() ) .
 172                                         Xml::submitButton( $this->msg( 'resetpass-submit-cancel' )->text(), array( 'name' => 'wpCancel' ) ) .
 173                                 "</td>\n" .
 174                         "</tr>\n" .
 175                         Xml::closeElement( 'table' ) .
 176                         Xml::closeElement( 'form' ) .
 177                         Xml::closeElement( 'fieldset' ) . "\n"
 178                 );
 179         }
 180
 181         /**
 182          * @param $fields array
 183          * @return string
 184          */
 185         function pretty( $fields ) {
 186                 $out = '';
 187                 foreach ( $fields as $list ) {
 188                         list( $name, $label, $type, $value ) = $list;
 189                         if( $type == 'text' ) {
 190                                 $field = htmlspecialchars( $value );
 191                         } else {
 192                                 $attribs = array( 'id' => $name );
 193                                 if ( $name == 'wpNewPassword' || $name == 'wpRetype' ) {
 194                                         $attribs = array_merge( $attribs,
 195                                                 User::passwordChangeInputAttribs() );
 196                                 }
 197                                 if ( $name == 'wpPassword' ) {
 198                                         $attribs[] = 'autofocus';
 199                                 }
 200                                 $field = Html::input( $name, $value, $type, $attribs );
 201                         }
 202                         $out .= "<tr>\n";
 203                         $out .= "\t<td class='mw-label'>";
 204                         if ( $type != 'text' )
 205                                 $out .= Xml::label( $this->msg( $label )->text(), $name );
 206                         else
 207                                 $out .= $this->msg( $label )->escaped();
 208                         $out .= "</td>\n";
 209                         $out .= "\t<td class='mw-input'>";
 210                         $out .= $field;
 211                         $out .= "</td>\n";
 212                         $out .= "</tr>";
 213                 }
 214                 return $out;
 215         }
 216
 217         /**
 218          * @throws PasswordError when cannot set the new password because requirements not met.
 219          */
 220         protected function attemptReset( $newpass, $retype ) {
 221                 $isSelf = ( $this->mUserName === $this->getUser()->getName() );
 222                 if ( $isSelf ) {
 223                         $user = $this->getUser();
 224                 } else {
 225                         $user = User::newFromName( $this->mUserName );
 226                 }
 227
 228                 if( !$user || $user->isAnon() ) {
 229                         throw new PasswordError( $this->msg( 'nosuchusershort', $this->mUserName )->text() );
 230                 }
 231
 232                 if( $newpass !== $retype ) {
 233                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'badretype' ) );
 234                         throw new PasswordError( $this->msg( 'badretype' )->text() );
 235                 }
 236
 237                 $throttleCount = LoginForm::incLoginThrottle( $this->mUserName );
 238                 if ( $throttleCount === true ) {
 239                         throw new PasswordError( $this->msg( 'login-throttled' )->text() );
 240                 }
 241
 242                 if( !$user->checkTemporaryPassword( $this->mOldpass ) && !$user->checkPassword( $this->mOldpass ) ) {
 243                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'wrongpassword' ) );
 244                         throw new PasswordError( $this->msg( 'resetpass-wrong-oldpass' )->text() );
 245                 }
 246
 247                 // Please reset throttle for successful logins, thanks!
 248                 if ( $throttleCount ) {
 249                         LoginForm::clearLoginThrottle( $this->mUserName );
 250                 }
 251
 252                 try {
 253                         $user->setPassword( $this->mNewpass );
 254                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'success' ) );
 255                         $this->mNewpass = $this->mOldpass = $this->mRetype = '';
 256                 } catch( PasswordError $e ) {
 257                         wfRunHooks( 'PrefsPasswordAudit', array( $user, $newpass, 'error' ) );
 258                         throw new PasswordError( $e->getMessage() );
 259                 }
 260
 261                 if ( $isSelf ) {
 262                         // This is needed to keep the user connected since
 263                         // changing the password also modifies the user's token.
 264                         $user->setCookies();
 265                 }
 266
 267                 $user->saveSettings();
 268         }
 269 }