* http://www.mediawiki.org/ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * http://www.gnu.org/copyleft/gpl.html * * @file */ /** * Handles the page protection UI and backend */ class ProtectionForm { /** A map of action to restriction level, from request or default */ var $mRestrictions = array(); /** The custom/additional protection reason */ var $mReason = ''; /** The reason selected from the list, blank for other/additional */ var $mReasonSelection = ''; /** True if the restrictions are cascading, from request or existing protection */ var $mCascade = false; /** Map of action to "other" expiry time. Used in preference to mExpirySelection. */ var $mExpiry = array(); /** * Map of action to value selected in expiry drop-down list. * Will be set to 'othertime' whenever mExpiry is set. */ var $mExpirySelection = array(); /** Permissions errors for the protect action */ var $mPermErrors = array(); /** Types (i.e. actions) for which levels can be selected */ var $mApplicableTypes = array(); /** Map of action to the expiry time of the existing protection */ var $mExistingExpiry = array(); function __construct( Page $article ) { global $wgUser; // Set instance variables. $this->mArticle = $article; $this->mTitle = $article->getTitle(); $this->mApplicableTypes = $this->mTitle->getRestrictionTypes(); // Check if the form should be disabled. // If it is, the form will be available in read-only to show levels. $this->mPermErrors = $this->mTitle->getUserPermissionsErrors( 'protect', $wgUser ); if ( wfReadOnly() ) { $this->mPermErrors[] = array( 'readonlytext', wfReadOnlyReason() ); } $this->disabled = $this->mPermErrors != array(); $this->disabledAttrib = $this->disabled ? array( 'disabled' => 'disabled' ) : array(); $this->loadData(); } /** * Loads the current state of protection into the object. */ function loadData() { global $wgRequest, $wgUser; global $wgRestrictionLevels; $this->mCascade = $this->mTitle->areRestrictionsCascading(); $this->mReason = $wgRequest->getText( 'mwProtect-reason' ); $this->mReasonSelection = $wgRequest->getText( 'wpProtectReasonSelection' ); $this->mCascade = $wgRequest->getBool( 'mwProtect-cascade', $this->mCascade ); foreach( $this->mApplicableTypes as $action ) { // @todo FIXME: This form currently requires individual selections, // but the db allows multiples separated by commas. // Pull the actual restriction from the DB $this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) ); if ( !$this->mRestrictions[$action] ) { // No existing expiry $existingExpiry = ''; } else { $existingExpiry = $this->mTitle->getRestrictionExpiry( $action ); } $this->mExistingExpiry[$action] = $existingExpiry; $requestExpiry = $wgRequest->getText( "mwProtect-expiry-$action" ); $requestExpirySelection = $wgRequest->getVal( "wpProtectExpirySelection-$action" ); if ( $requestExpiry ) { // Custom expiry takes precedence $this->mExpiry[$action] = $requestExpiry; $this->mExpirySelection[$action] = 'othertime'; } elseif ( $requestExpirySelection ) { // Expiry selected from list $this->mExpiry[$action] = ''; $this->mExpirySelection[$action] = $requestExpirySelection; } elseif ( $existingExpiry == 'infinity' ) { // Existing expiry is infinite, use "infinite" in drop-down $this->mExpiry[$action] = ''; $this->mExpirySelection[$action] = 'infinite'; } elseif ( $existingExpiry ) { // Use existing expiry in its own list item $this->mExpiry[$action] = ''; $this->mExpirySelection[$action] = $existingExpiry; } else { // Final default: infinite $this->mExpiry[$action] = ''; $this->mExpirySelection[$action] = 'infinite'; } $val = $wgRequest->getVal( "mwProtect-level-$action" ); if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) { // Prevent users from setting levels that they cannot later unset if( $val == 'sysop' ) { // Special case, rewrite sysop to either protect and editprotected if( !$wgUser->isAllowedAny( 'protect', 'editprotected' ) ) continue; } else { if( !$wgUser->isAllowed($val) ) continue; } $this->mRestrictions[$action] = $val; } } } /** * Get the expiry time for a given action, by combining the relevant inputs. * * @param $action string * * @return string 14-char timestamp or "infinity", or false if the input was invalid */ function getExpiry( $action ) { if ( $this->mExpirySelection[$action] == 'existing' ) { return $this->mExistingExpiry[$action]; } elseif ( $this->mExpirySelection[$action] == 'othertime' ) { $value = $this->mExpiry[$action]; } else { $value = $this->mExpirySelection[$action]; } if ( $value == 'infinite' || $value == 'indefinite' || $value == 'infinity' ) { $time = wfGetDB( DB_SLAVE )->getInfinity(); } else { $unix = strtotime( $value ); if ( !$unix || $unix === -1 ) { return false; } // @todo FIXME: Non-qualified absolute times are not in users specified timezone // and there isn't notice about it in the ui $time = wfTimestamp( TS_MW, $unix ); } return $time; } /** * Main entry point for action=protect and action=unprotect */ function execute() { global $wgRequest, $wgOut; if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { throw new ErrorPageError( 'protect-badnamespace-title', 'protect-badnamespace-text' ); } if( $wgRequest->wasPosted() ) { if( $this->save() ) { $q = $this->mArticle->isRedirect() ? 'redirect=no' : ''; $wgOut->redirect( $this->mTitle->getFullUrl( $q ) ); } } else { $this->show(); } } /** * Show the input form with optional error message * * @param $err String: error message or null if there's no error */ function show( $err = null ) { global $wgOut; $wgOut->setRobotPolicy( 'noindex,nofollow' ); if ( is_array( $err ) ) { $wgOut->wrapWikiMsg( "

\n$1\n

\n", $err ); } elseif ( is_string( $err ) ) { $wgOut->addHTML( "

{$err}

\n" ); } list( $cascadeSources, /* $restrictions */ ) = $this->mTitle->getCascadeProtectionSources(); if ( $cascadeSources && count($cascadeSources) > 0 ) { $titles = ''; foreach ( $cascadeSources as $title ) { $titles .= '* [[:' . $title->getPrefixedText() . "]]\n"; } $wgOut->wrapWikiMsg( "
\n$1\n" . $titles . "
", array( 'protect-cascadeon', count($cascadeSources) ) ); } # Show an appropriate message if the user isn't allowed or able to change # the protection settings at this time if ( $this->disabled ) { $wgOut->setPageTitle( wfMessage( 'protect-title-notallowed', $this->mTitle->getPrefixedText() ) ); $wgOut->addWikiText( $wgOut->formatPermissionsErrorMessage( $this->mPermErrors, 'protect' ) ); } else { $wgOut->setPageTitle( wfMessage( 'protect-title', $this->mTitle->getPrefixedText() ) ); $wgOut->addWikiMsg( 'protect-text', wfEscapeWikiText( $this->mTitle->getPrefixedText() ) ); } $wgOut->addBacklinkSubtitle( $this->mTitle ); $wgOut->addHTML( $this->buildForm() ); $this->showLogExtract( $wgOut ); } /** * Save submitted protection form * * @return Boolean: success */ function save() { global $wgRequest, $wgUser, $wgOut; # Permission check! if ( $this->disabled ) { $this->show(); return false; } $token = $wgRequest->getVal( 'wpEditToken' ); if ( !$wgUser->matchEditToken( $token, array( 'protect', $this->mTitle->getPrefixedDBkey() ) ) ) { $this->show( array( 'sessionfailure' ) ); return false; } # Create reason string. Use list and/or custom string. $reasonstr = $this->mReasonSelection; if ( $reasonstr != 'other' && $this->mReason != '' ) { // Entry from drop down menu + additional comment $reasonstr .= wfMessage( 'colon-separator' )->text() . $this->mReason; } elseif ( $reasonstr == 'other' ) { $reasonstr = $this->mReason; } $expiry = array(); foreach( $this->mApplicableTypes as $action ) { $expiry[$action] = $this->getExpiry( $action ); if( empty($this->mRestrictions[$action]) ) continue; // unprotected if ( !$expiry[$action] ) { $this->show( array( 'protect_expiry_invalid' ) ); return false; } if ( $expiry[$action] < wfTimestampNow() ) { $this->show( array( 'protect_expiry_old' ) ); return false; } } # They shouldn't be able to do this anyway, but just to make sure, ensure that cascading restrictions aren't being applied # to a semi-protected page. global $wgGroupPermissions; $edit_restriction = isset( $this->mRestrictions['edit'] ) ? $this->mRestrictions['edit'] : ''; $this->mCascade = $wgRequest->getBool( 'mwProtect-cascade' ); if ($this->mCascade && ($edit_restriction != 'protect') && !(isset($wgGroupPermissions[$edit_restriction]['protect']) && $wgGroupPermissions[$edit_restriction]['protect'] ) ) $this->mCascade = false; $status = $this->mArticle->doUpdateRestrictions( $this->mRestrictions, $expiry, $this->mCascade, $reasonstr, $wgUser ); if ( !$status->isOK() ) { $this->show( $wgOut->parseInline( $status->getWikiText() ) ); return false; } /** * Give extensions a change to handle added form items * * @since 1.19 you can (and you should) return false to abort saving; * you can also return an array of message name and its parameters */ $errorMsg = ''; if( !wfRunHooks( 'ProtectionForm::save', array( $this->mArticle, &$errorMsg ) ) ) { if ( $errorMsg == '' ) { $errorMsg = array( 'hookaborted' ); } } if( $errorMsg != '' ) { $this->show( $errorMsg ); return false; } if ( $wgUser->isLoggedIn() && $wgRequest->getCheck( 'mwProtectWatch' ) != $wgUser->isWatched( $this->mTitle ) ) { if ( $wgRequest->getCheck( 'mwProtectWatch' ) ) { WatchAction::doWatch( $this->mTitle, $wgUser ); } else { WatchAction::doUnwatch( $this->mTitle, $wgUser ); } } return true; } /** * Build the input form * * @return String: HTML form */ function buildForm() { global $wgUser, $wgLang, $wgOut; $mProtectreasonother = Xml::label( wfMessage( 'protectcomment' )->text(), 'wpProtectReasonSelection' ); $mProtectreason = Xml::label( wfMessage( 'protect-otherreason' )->text(), 'mwProtect-reason' ); $out = ''; if( !$this->disabled ) { $wgOut->addModules( 'mediawiki.legacy.protect' ); $out .= Xml::openElement( 'form', array( 'method' => 'post', 'action' => $this->mTitle->getLocalUrl( 'action=protect' ), 'id' => 'mw-Protect-Form', 'onsubmit' => 'ProtectionForm.enableUnchainedInputs(true)' ) ); } $out .= Xml::openElement( 'fieldset' ) . Xml::element( 'legend', null, wfMessage( 'protect-legend' )->text() ) . Xml::openElement( 'table', array( 'id' => 'mwProtectSet' ) ) . Xml::openElement( 'tbody' ); foreach( $this->mRestrictions as $action => $selected ) { /* Not all languages have V_x <-> N_x relation */ $msg = wfMessage( 'restriction-' . $action ); $out .= "". Xml::openElement( 'fieldset' ) . Xml::element( 'legend', null, $msg->exists() ? $msg->text() : $action ) . Xml::openElement( 'table', array( 'id' => "mw-protect-table-$action" ) ) . "" . $this->buildSelector( $action, $selected ) . ""; $reasonDropDown = Xml::listDropDown( 'wpProtectReasonSelection', wfMessage( 'protect-dropdown' )->inContentLanguage()->text(), wfMessage( 'protect-otherreason-op' )->inContentLanguage()->text(), $this->mReasonSelection, 'mwProtect-reason', 4 ); $scExpiryOptions = wfMessage( 'protect-expiry-options' )->inContentLanguage()->text(); $showProtectOptions = ($scExpiryOptions !== '-' && !$this->disabled); $mProtectexpiry = Xml::label( wfMessage( 'protectexpiry' )->text(), "mwProtectExpirySelection-$action" ); $mProtectother = Xml::label( wfMessage( 'protect-othertime' )->text(), "mwProtect-$action-expires" ); $expiryFormOptions = ''; if ( $this->mExistingExpiry[$action] && $this->mExistingExpiry[$action] != 'infinity' ) { $timestamp = $wgLang->timeanddate( $this->mExistingExpiry[$action], true ); $d = $wgLang->date( $this->mExistingExpiry[$action], true ); $t = $wgLang->time( $this->mExistingExpiry[$action], true ); $expiryFormOptions .= Xml::option( wfMessage( 'protect-existing-expiry', $timestamp, $d, $t )->text(), 'existing', $this->mExpirySelection[$action] == 'existing' ) . "\n"; } $expiryFormOptions .= Xml::option( wfMessage( 'protect-othertime-op' )->text(), "othertime" ) . "\n"; foreach( explode(',', $scExpiryOptions) as $option ) { if ( strpos($option, ":") === false ) { $show = $value = $option; } else { list($show, $value) = explode(":", $option); } $show = htmlspecialchars($show); $value = htmlspecialchars($value); $expiryFormOptions .= Xml::option( $show, $value, $this->mExpirySelection[$action] === $value ) . "\n"; } # Add expiry dropdown if( $showProtectOptions && !$this->disabled ) { $out .= "
{$mProtectexpiry} " . Xml::tags( 'select', array( 'id' => "mwProtectExpirySelection-$action", 'name' => "wpProtectExpirySelection-$action", 'onchange' => "ProtectionForm.updateExpiryList(this)", 'tabindex' => '2' ) + $this->disabledAttrib, $expiryFormOptions ) . "
"; } # Add custom expiry field $attribs = array( 'id' => "mwProtect-$action-expires", 'onkeyup' => 'ProtectionForm.updateExpiry(this)', 'onchange' => 'ProtectionForm.updateExpiry(this)' ) + $this->disabledAttrib; $out .= "
" . $mProtectother . ' ' . Xml::input( "mwProtect-expiry-$action", 50, $this->mExpiry[$action], $attribs ) . '
'; $out .= "" . Xml::closeElement( 'table' ) . Xml::closeElement( 'fieldset' ) . ""; } # Give extensions a chance to add items to the form wfRunHooks( 'ProtectionForm::buildForm', array($this->mArticle,&$out) ); $out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' ); // JavaScript will add another row with a value-chaining checkbox if( $this->mTitle->exists() ) { $out .= Xml::openElement( 'table', array( 'id' => 'mw-protect-table2' ) ) . Xml::openElement( 'tbody' ); $out .= ' ' . Xml::checkLabel( wfMessage( 'protect-cascade' )->text(), 'mwProtect-cascade', 'mwProtect-cascade', $this->mCascade, $this->disabledAttrib ) . " \n"; $out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' ); } # Add manual and custom reason field/selects as well as submit if( !$this->disabled ) { $out .= Xml::openElement( 'table', array( 'id' => 'mw-protect-table3' ) ) . Xml::openElement( 'tbody' ); $out .= " {$mProtectreasonother} {$reasonDropDown} {$mProtectreason} " . Xml::input( 'mwProtect-reason', 60, $this->mReason, array( 'type' => 'text', 'id' => 'mwProtect-reason', 'maxlength' => 180 ) ) . // Limited maxlength as the database trims at 255 bytes and other texts // chosen by dropdown menus on this page are also included in this database field. // The byte limit of 180 bytes is enforced in javascript " "; # Disallow watching is user is not logged in if( $wgUser->isLoggedIn() ) { $out .= " " . Xml::checkLabel( wfMessage( 'watchthis' )->text(), 'mwProtectWatch', 'mwProtectWatch', $this->mTitle->userIsWatching() || $wgUser->getOption( 'watchdefault' ) ) . " "; } $out .= " " . Xml::submitButton( wfMessage( 'confirm' )->text(), array( 'id' => 'mw-Protect-submit' ) ) . " \n"; $out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' ); } $out .= Xml::closeElement( 'fieldset' ); if ( $wgUser->isAllowed( 'editinterface' ) ) { $title = Title::makeTitle( NS_MEDIAWIKI, 'Protect-dropdown' ); $link = Linker::link( $title, wfMessage( 'protect-edit-reasonlist' )->escaped(), array(), array( 'action' => 'edit' ) ); $out .= '

' . $link . '

'; } if ( !$this->disabled ) { $out .= Html::hidden( 'wpEditToken', $wgUser->getEditToken( array( 'protect', $this->mTitle->getPrefixedDBkey() ) ) ); $out .= Xml::closeElement( 'form' ); $wgOut->addScript( $this->buildCleanupScript() ); } return $out; } /** * Build protection level selector * * @param $action String: action to protect * @param $selected String: current protection level * @return String: HTML fragment */ function buildSelector( $action, $selected ) { global $wgRestrictionLevels, $wgUser; $levels = array(); foreach( $wgRestrictionLevels as $key ) { //don't let them choose levels above their own (aka so they can still unprotect and edit the page). but only when the form isn't disabled if( $key == 'sysop' ) { //special case, rewrite sysop to protect and editprotected if( !$wgUser->isAllowedAny( 'protect', 'editprotected' ) && !$this->disabled ) continue; } else { if( !$wgUser->isAllowed($key) && !$this->disabled ) continue; } $levels[] = $key; } $id = 'mwProtect-level-' . $action; $attribs = array( 'id' => $id, 'name' => $id, 'size' => count( $levels ), 'onchange' => 'ProtectionForm.updateLevels(this)', ) + $this->disabledAttrib; $out = Xml::openElement( 'select', $attribs ); foreach( $levels as $key ) { $out .= Xml::option( $this->getOptionLabel( $key ), $key, $key == $selected ); } $out .= Xml::closeElement( 'select' ); return $out; } /** * Prepare the label for a protection selector option * * @param $permission String: permission required * @return String */ private function getOptionLabel( $permission ) { if( $permission == '' ) { return wfMessage( 'protect-default' )->text(); } else { $msg = wfMessage( "protect-level-{$permission}" ); if( $msg->exists() ) { return $msg->text(); } return wfMessage( 'protect-fallback', $permission )->text(); } } function buildCleanupScript() { global $wgRestrictionLevels, $wgGroupPermissions, $wgOut; $cascadeableLevels = array(); foreach( $wgRestrictionLevels as $key ) { if ( ( isset( $wgGroupPermissions[$key]['protect'] ) && $wgGroupPermissions[$key]['protect'] ) || $key == 'protect' ) { $cascadeableLevels[] = $key; } } $options = array( 'tableId' => 'mwProtectSet', 'labelText' => wfMessage( 'protect-unchain-permissions' )->plain(), 'numTypes' => count( $this->mApplicableTypes ), 'existingMatch' => count( array_unique( $this->mExistingExpiry ) ) === 1, ); $wgOut->addJsConfigVars( 'wgCascadeableLevels', $cascadeableLevels ); $script = Xml::encodeJsCall( 'ProtectionForm.init', array( $options ) ); return Html::inlineScript( ResourceLoader::makeLoaderConditionalScript( $script ) ); } /** * Show protection long extracts for this page * * @param $out OutputPage * @access private */ function showLogExtract( &$out ) { # Show relevant lines from the protection log: $protectLogPage = new LogPage( 'protect' ); $out->addHTML( Xml::element( 'h2', null, $protectLogPage->getName()->text() ) ); LogEventsList::showLogExtract( $out, 'protect', $this->mTitle ); # Let extensions add other relevant log extracts wfRunHooks( 'ProtectionForm::showLogExtract', array($this->mArticle,$out) ); } }