includes/specials/SpecialChangeEmail.php

   1 <?php
   2 /**
   3  * Implements Special:ChangeEmail
   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 change their email address.
  26  *
  27  * @ingroup SpecialPage
  28  */
  29 class SpecialChangeEmail extends UnlistedSpecialPage {
  30         public function __construct() {
  31                 parent::__construct( 'ChangeEmail' );
  32         }
  33
  34         /**
  35          * Main execution point
  36          */
  37         function execute( $par ) {
  38                 global $wgRequest;
  39
  40                 $out = $this->getOutput();
  41                 if ( wfReadOnly() ) {
  42                         $out->readOnlyPage();
  43                         return;
  44                 }
  45
  46                 $user = $this->getUser();
  47
  48                 $this->mPassword = $wgRequest->getVal( 'wpPassword' );
  49                 $this->mNewEmail = $wgRequest->getVal( 'wpNewEmail' );
  50
  51                 $this->setHeaders();
  52                 $this->outputHeader();
  53                 $out->disallowUserJs();
  54
  55                 if ( !$wgRequest->wasPosted() && !$user->isLoggedIn() ) {
  56                         $this->error( wfMsg( 'changeemail-no-info' ) );
  57                         return;
  58                 }
  59
  60                 if ( $wgRequest->wasPosted() && $wgRequest->getBool( 'wpCancel' ) ) {
  61                         $this->doReturnTo();
  62                         return;
  63                 }
  64
  65                 if ( $wgRequest->wasPosted()
  66                         && $user->matchEditToken( $wgRequest->getVal( 'token' ) ) )
  67                 {
  68                         $info = $this->attemptChange( $user, $this->mPassword, $this->mNewEmail );
  69                         if ( $info === true ) {
  70                                 $this->doReturnTo();
  71                         } elseif ( $info === 'eauth' ) {
  72                                 # Notify user that a confirmation email has been sent...
  73                                 $out->wrapWikiMsg( "<div class='error' style='clear: both;'>\n$1\n</div>",
  74                                         'eauthentsent', $user->getName() );
  75                                 $this->doReturnTo( 'soft' ); // just show the link to go back
  76                                 return; // skip form
  77                         }
  78                 }
  79
  80                 $this->showForm();
  81         }
  82
  83         protected function doReturnTo( $type = 'hard' ) {
  84                 global $wgRequest;
  85                 $titleObj = Title::newFromText( $wgRequest->getVal( 'returnto' ) );
  86                 if ( !$titleObj instanceof Title ) {
  87                         $titleObj = Title::newMainPage();
  88                 }
  89                 if ( $type == 'hard' ) {
  90                         $this->getOutput()->redirect( $titleObj->getFullURL() );
  91                 } else {
  92                         $this->getOutput()->addReturnTo( $titleObj );
  93                 }
  94         }
  95
  96         protected function error( $msg ) {
  97                 $this->getOutput()->addHTML( Xml::element('p', array( 'class' => 'error' ), $msg ) );
  98         }
  99
 100         protected function showForm() {
 101                 global $wgRequest;
 102
 103                 $user = $this->getUser();
 104
 105                 $oldEmailText = $user->getEmail()
 106                         ? $user->getEmail()
 107                         : wfMsg( 'changeemail-none' );
 108
 109                 $this->getOutput()->addHTML(
 110                         Xml::fieldset( wfMsg( 'changeemail-header' ) ) .
 111                         Xml::openElement( 'form',
 112                                 array(
 113                                         'method' => 'post',
 114                                         'action' => $this->getTitle()->getLocalUrl(),
 115                                         'id' => 'mw-changeemail-form' ) ) . "\n" .
 116                         Html::hidden( 'token', $user->editToken() ) . "\n" .
 117                         Html::hidden( 'returnto', $wgRequest->getVal( 'returnto' ) ) . "\n" .
 118                         wfMsgExt( 'changeemail-text', array( 'parse' ) ) . "\n" .
 119                         Xml::openElement( 'table', array( 'id' => 'mw-changeemail-table' ) ) . "\n" .
 120                         $this->pretty( array(
 121                                 array( 'wpName', 'username', 'text', $user->getName() ),
 122                                 array( 'wpOldEmail', 'changeemail-oldemail', 'text', $oldEmailText ),
 123                                 array( 'wpNewEmail', 'changeemail-newemail', 'input', $this->mNewEmail ),
 124                                 array( 'wpPassword', 'yourpassword', 'password', $this->mPassword ),
 125                         ) ) . "\n" .
 126                         "<tr>\n" .
 127                                 "<td></td>\n" .
 128                                 '<td class="mw-input">' .
 129                                         Xml::submitButton( wfMsg( 'changeemail-submit' ) ) .
 130                                         Xml::submitButton( wfMsg( 'changeemail-cancel' ), array( 'name' => 'wpCancel' ) ) .
 131                                 "</td>\n" .
 132                         "</tr>\n" .
 133                         Xml::closeElement( 'table' ) .
 134                         Xml::closeElement( 'form' ) .
 135                         Xml::closeElement( 'fieldset' ) . "\n"
 136                 );
 137         }
 138
 139         protected function pretty( $fields ) {
 140                 $out = '';
 141                 foreach ( $fields as $list ) {
 142                         list( $name, $label, $type, $value ) = $list;
 143                         if( $type == 'text' ) {
 144                                 $field = htmlspecialchars( $value );
 145                         } else {
 146                                 $attribs = array( 'id' => $name );
 147                                 if ( $name == 'wpPassword' ) {
 148                                         $attribs[] = 'autofocus';
 149                                 }
 150                                 $field = Html::input( $name, $value, $type, $attribs );
 151                         }
 152                         $out .= "<tr>\n";
 153                         $out .= "\t<td class='mw-label'>";
 154                         if ( $type != 'text' ) {
 155                                 $out .= Xml::label( wfMsg( $label ), $name );
 156                         } else {
 157                                 $out .=  wfMsgHtml( $label );
 158                         }
 159                         $out .= "</td>\n";
 160                         $out .= "\t<td class='mw-input'>";
 161                         $out .= $field;
 162                         $out .= "</td>\n";
 163                         $out .= "</tr>";
 164                 }
 165                 return $out;
 166         }
 167
 168         /**
 169          * @return bool|string true or string on success, false on failure
 170          */
 171         protected function attemptChange( User $user, $pass, $newaddr ) {
 172                 if ( $newaddr != '' && !Sanitizer::validateEmail( $newaddr ) ) {
 173                         $this->error( wfMsgExt( 'invalidemailaddress', 'parseinline' ) );
 174                         return false;
 175                 }
 176
 177                 $throttleCount = LoginForm::incLoginThrottle( $user->getName() );
 178                 if ( $throttleCount === true ) {
 179                         $this->error( wfMsgHtml( 'login-throttled' ) );
 180                         return false;
 181                 }
 182
 183                 if ( !$user->checkTemporaryPassword( $pass ) && !$user->checkPassword( $pass ) ) {
 184                         $this->error( wfMsgHtml( 'wrongpassword' ) );
 185                         return false;
 186                 }
 187
 188                 if ( $throttleCount ) {
 189                         LoginForm::clearLoginThrottle( $user->getName() );
 190                 }
 191
 192                 list( $status, $info ) = Preferences::trySetUserEmail( $user, $newaddr );
 193                 if ( $status !== true ) {
 194                         if ( $status instanceof Status ) {
 195                                 $this->getOutput()->addHTML(
 196                                         '<p class="error">' .
 197                                         $this->getOutput()->parseInline( $status->getWikiText( $info ) ) .
 198                                         '</p>' );
 199                         }
 200                         return false;
 201                 }
 202
 203                 $user->saveSettings();
 204                 return $info ? $info : true;
 205         }
 206 }