41e944bac2
* When the user doesn't have permission to protect/unprotect the page, display a page with the title set to "View protection level for ...", then the permissions errors and the current protection levels. Except for the title, this was already the case for permissions errors, but when the database was read-only this was throwing an exception due to the change in OutputPage::readOnlyPage() * Moved check for NS_MEDIAWIKI a level up, so that is it also catched on page save, and make the output in such case much more user friendly * Changed edit token to be salted with array( 'protect', 'page name' ) (as for action=watch) * Allow extensions to return false in ProtectionForm::save hook for consistency with other hooks and in that case fill the error message with 'hookaborted' if the extension does not provide an customised error message. * Changed ProtectionForm::show() to accept an array of message name and its parameters in addition of a string with raw HTML and converted calls to use the new method. This also means that ProtectionForm::save can use this * Removed the setSubtitle() call for the 'formerror' message in case of error since it's overriden by the "back link"
620 lines
20 KiB
PHP
620 lines
20 KiB
PHP
<?php
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/**
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* Page protection
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*
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* Copyright © 2005 Brion Vibber <brion@pobox.com>
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* http://www.mediawiki.org/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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/**
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* Handles the page protection UI and backend
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*/
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class ProtectionForm {
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/** A map of action to restriction level, from request or default */
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var $mRestrictions = array();
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/** The custom/additional protection reason */
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var $mReason = '';
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/** The reason selected from the list, blank for other/additional */
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var $mReasonSelection = '';
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/** True if the restrictions are cascading, from request or existing protection */
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var $mCascade = false;
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/** Map of action to "other" expiry time. Used in preference to mExpirySelection. */
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var $mExpiry = array();
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/**
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* Map of action to value selected in expiry drop-down list.
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* Will be set to 'othertime' whenever mExpiry is set.
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*/
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var $mExpirySelection = array();
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/** Permissions errors for the protect action */
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var $mPermErrors = array();
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/** Types (i.e. actions) for which levels can be selected */
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var $mApplicableTypes = array();
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/** Map of action to the expiry time of the existing protection */
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var $mExistingExpiry = array();
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function __construct( Page $article ) {
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global $wgUser;
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// Set instance variables.
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$this->mArticle = $article;
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$this->mTitle = $article->getTitle();
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$this->mApplicableTypes = $this->mTitle->getRestrictionTypes();
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// Check if the form should be disabled.
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// If it is, the form will be available in read-only to show levels.
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$this->mPermErrors = $this->mTitle->getUserPermissionsErrors( 'protect', $wgUser );
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if ( wfReadOnly() ) {
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$this->mPermErrors[] = array( 'readonlytext', wfReadOnlyReason() );
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}
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$this->disabled = $this->mPermErrors != array();
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$this->disabledAttrib = $this->disabled
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? array( 'disabled' => 'disabled' )
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: array();
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$this->loadData();
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}
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/**
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* Loads the current state of protection into the object.
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*/
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function loadData() {
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global $wgRequest, $wgUser;
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global $wgRestrictionLevels;
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$this->mCascade = $this->mTitle->areRestrictionsCascading();
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$this->mReason = $wgRequest->getText( 'mwProtect-reason' );
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$this->mReasonSelection = $wgRequest->getText( 'wpProtectReasonSelection' );
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$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade', $this->mCascade );
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foreach( $this->mApplicableTypes as $action ) {
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// @todo FIXME: This form currently requires individual selections,
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// but the db allows multiples separated by commas.
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// Pull the actual restriction from the DB
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$this->mRestrictions[$action] = implode( '', $this->mTitle->getRestrictions( $action ) );
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if ( !$this->mRestrictions[$action] ) {
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// No existing expiry
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$existingExpiry = '';
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} else {
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$existingExpiry = $this->mTitle->getRestrictionExpiry( $action );
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}
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$this->mExistingExpiry[$action] = $existingExpiry;
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$requestExpiry = $wgRequest->getText( "mwProtect-expiry-$action" );
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$requestExpirySelection = $wgRequest->getVal( "wpProtectExpirySelection-$action" );
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if ( $requestExpiry ) {
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// Custom expiry takes precedence
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$this->mExpiry[$action] = $requestExpiry;
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$this->mExpirySelection[$action] = 'othertime';
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} elseif ( $requestExpirySelection ) {
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// Expiry selected from list
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = $requestExpirySelection;
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} elseif ( $existingExpiry == 'infinity' ) {
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// Existing expiry is infinite, use "infinite" in drop-down
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = 'infinite';
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} elseif ( $existingExpiry ) {
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// Use existing expiry in its own list item
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = $existingExpiry;
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} else {
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// Final default: infinite
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$this->mExpiry[$action] = '';
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$this->mExpirySelection[$action] = 'infinite';
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}
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$val = $wgRequest->getVal( "mwProtect-level-$action" );
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if( isset( $val ) && in_array( $val, $wgRestrictionLevels ) ) {
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// Prevent users from setting levels that they cannot later unset
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if( $val == 'sysop' ) {
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// Special case, rewrite sysop to either protect and editprotected
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if( !$wgUser->isAllowedAny( 'protect', 'editprotected' ) )
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continue;
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} else {
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if( !$wgUser->isAllowed($val) )
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continue;
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}
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$this->mRestrictions[$action] = $val;
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}
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}
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}
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/**
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* Get the expiry time for a given action, by combining the relevant inputs.
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*
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* @param $action string
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*
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* @return string 14-char timestamp or "infinity", or false if the input was invalid
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*/
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function getExpiry( $action ) {
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if ( $this->mExpirySelection[$action] == 'existing' ) {
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return $this->mExistingExpiry[$action];
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} elseif ( $this->mExpirySelection[$action] == 'othertime' ) {
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$value = $this->mExpiry[$action];
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} else {
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$value = $this->mExpirySelection[$action];
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}
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if ( $value == 'infinite' || $value == 'indefinite' || $value == 'infinity' ) {
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$time = wfGetDB( DB_SLAVE )->getInfinity();
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} else {
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$unix = strtotime( $value );
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if ( !$unix || $unix === -1 ) {
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return false;
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}
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// @todo FIXME: Non-qualified absolute times are not in users specified timezone
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// and there isn't notice about it in the ui
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$time = wfTimestamp( TS_MW, $unix );
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}
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return $time;
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}
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/**
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* Main entry point for action=protect and action=unprotect
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*/
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function execute() {
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global $wgRequest, $wgOut;
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if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
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throw new ErrorPageError( 'protect-badnamespace-title', 'protect-badnamespace-text' );
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}
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if( $wgRequest->wasPosted() ) {
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if( $this->save() ) {
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$q = $this->mArticle->isRedirect() ? 'redirect=no' : '';
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$wgOut->redirect( $this->mTitle->getFullUrl( $q ) );
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}
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} else {
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$this->show();
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}
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}
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/**
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* Show the input form with optional error message
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*
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* @param $err String: error message or null if there's no error
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*/
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function show( $err = null ) {
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global $wgOut;
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$wgOut->setRobotPolicy( 'noindex,nofollow' );
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if ( is_array( $err ) ) {
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$wgOut->wrapWikiMsg( "<p class='error'>\n$1\n</p>\n", $err );
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} elseif ( is_string( $err ) ) {
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$wgOut->addHTML( "<p class='error'>{$err}</p>\n" );
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}
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list( $cascadeSources, /* $restrictions */ ) = $this->mTitle->getCascadeProtectionSources();
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if ( $cascadeSources && count($cascadeSources) > 0 ) {
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$titles = '';
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foreach ( $cascadeSources as $title ) {
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$titles .= '* [[:' . $title->getPrefixedText() . "]]\n";
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}
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$wgOut->wrapWikiMsg( "<div id=\"mw-protect-cascadeon\">\n$1\n" . $titles . "</div>", array( 'protect-cascadeon', count($cascadeSources) ) );
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}
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# Show an appropriate message if the user isn't allowed or able to change
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# the protection settings at this time
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if ( $this->disabled ) {
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$wgOut->setPageTitle( wfMessage( 'protect-title-notallowed', $this->mTitle->getPrefixedText() ) );
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$wgOut->addWikiText( $wgOut->formatPermissionsErrorMessage( $this->mPermErrors, 'protect' ) );
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} else {
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$wgOut->setPageTitle( wfMessage( 'protect-title', $this->mTitle->getPrefixedText() ) );
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$wgOut->addWikiMsg( 'protect-text',
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wfEscapeWikiText( $this->mTitle->getPrefixedText() ) );
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}
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$titleLink = Linker::link( $this->mTitle );
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$wgOut->setSubtitle( wfMsg( 'protect-backlink', $titleLink ) );
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$wgOut->addHTML( $this->buildForm() );
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$this->showLogExtract( $wgOut );
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}
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/**
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* Save submitted protection form
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*
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* @return Boolean: success
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*/
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function save() {
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global $wgRequest, $wgUser;
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# Permission check!
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if ( $this->disabled ) {
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$this->show();
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return false;
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}
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$token = $wgRequest->getVal( 'wpEditToken' );
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if ( !$wgUser->matchEditToken( $token, array( 'protect', $this->mTitle->getPrefixedDBkey() ) ) ) {
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$this->show( array( 'sessionfailure' ) );
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return false;
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}
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# Create reason string. Use list and/or custom string.
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$reasonstr = $this->mReasonSelection;
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if ( $reasonstr != 'other' && $this->mReason != '' ) {
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// Entry from drop down menu + additional comment
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$reasonstr .= wfMsgForContent( 'colon-separator' ) . $this->mReason;
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} elseif ( $reasonstr == 'other' ) {
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$reasonstr = $this->mReason;
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}
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$expiry = array();
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foreach( $this->mApplicableTypes as $action ) {
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$expiry[$action] = $this->getExpiry( $action );
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if( empty($this->mRestrictions[$action]) )
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continue; // unprotected
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if ( !$expiry[$action] ) {
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$this->show( array( 'protect_expiry_invalid' ) );
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return false;
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}
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if ( $expiry[$action] < wfTimestampNow() ) {
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$this->show( array( 'protect_expiry_old' ) );
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return false;
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}
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}
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# They shouldn't be able to do this anyway, but just to make sure, ensure that cascading restrictions aren't being applied
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# to a semi-protected page.
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global $wgGroupPermissions;
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$edit_restriction = isset( $this->mRestrictions['edit'] ) ? $this->mRestrictions['edit'] : '';
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$this->mCascade = $wgRequest->getBool( 'mwProtect-cascade' );
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if ($this->mCascade && ($edit_restriction != 'protect') &&
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!(isset($wgGroupPermissions[$edit_restriction]['protect']) && $wgGroupPermissions[$edit_restriction]['protect'] ) )
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$this->mCascade = false;
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if ($this->mTitle->exists()) {
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$ok = $this->mArticle->updateRestrictions( $this->mRestrictions, $reasonstr, $this->mCascade, $expiry );
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} else {
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$ok = $this->mTitle->updateTitleProtection( $this->mRestrictions['create'], $reasonstr, $expiry['create'] );
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}
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if( !$ok ) {
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throw new FatalError( "Unknown error at restriction save time." );
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}
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/**
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* Give extensions a change to handle added form items
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*
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* @since 1.19 you can (and you should) return false to abort saving;
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* you can also return an array of message name and its parameters
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*/
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$errorMsg = '';
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if( !wfRunHooks( 'ProtectionForm::save', array( $this->mArticle, &$errorMsg ) ) ) {
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if ( $errorMsg == '' ) {
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$errorMsg = array( 'hookaborted' );
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}
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}
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if( $errorMsg != '' ) {
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$this->show( $errorMsg );
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return false;
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}
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if ( $wgRequest->getCheck( 'mwProtectWatch' ) && $wgUser->isLoggedIn() ) {
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WatchAction::doWatch( $this->mTitle, $wgUser );
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} elseif ( $this->mTitle->userIsWatching() ) {
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WatchAction::doUnwatch( $this->mTitle, $wgUser );
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}
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return $ok;
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}
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/**
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* Build the input form
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*
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* @return String: HTML form
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*/
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function buildForm() {
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global $wgUser, $wgLang, $wgOut;
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$mProtectreasonother = Xml::label( wfMsg( 'protectcomment' ), 'wpProtectReasonSelection' );
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$mProtectreason = Xml::label( wfMsg( 'protect-otherreason' ), 'mwProtect-reason' );
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$out = '';
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if( !$this->disabled ) {
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$wgOut->addModules( 'mediawiki.legacy.protect' );
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$out .= Xml::openElement( 'form', array( 'method' => 'post',
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'action' => $this->mTitle->getLocalUrl( 'action=protect' ),
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'id' => 'mw-Protect-Form', 'onsubmit' => 'ProtectionForm.enableUnchainedInputs(true)' ) );
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}
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$out .= Xml::openElement( 'fieldset' ) .
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Xml::element( 'legend', null, wfMsg( 'protect-legend' ) ) .
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Xml::openElement( 'table', array( 'id' => 'mwProtectSet' ) ) .
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Xml::openElement( 'tbody' );
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foreach( $this->mRestrictions as $action => $selected ) {
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/* Not all languages have V_x <-> N_x relation */
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$msg = wfMessage( 'restriction-' . $action );
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$out .= "<tr><td>".
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Xml::openElement( 'fieldset' ) .
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Xml::element( 'legend', null, $msg->exists() ? $msg->text() : $action ) .
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Xml::openElement( 'table', array( 'id' => "mw-protect-table-$action" ) ) .
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"<tr><td>" . $this->buildSelector( $action, $selected ) . "</td></tr><tr><td>";
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$reasonDropDown = Xml::listDropDown( 'wpProtectReasonSelection',
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wfMsgForContent( 'protect-dropdown' ),
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wfMsgForContent( 'protect-otherreason-op' ),
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$this->mReasonSelection,
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'mwProtect-reason', 4 );
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$scExpiryOptions = wfMsgForContent( 'protect-expiry-options' );
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$showProtectOptions = ($scExpiryOptions !== '-' && !$this->disabled);
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$mProtectexpiry = Xml::label( wfMsg( 'protectexpiry' ), "mwProtectExpirySelection-$action" );
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$mProtectother = Xml::label( wfMsg( 'protect-othertime' ), "mwProtect-$action-expires" );
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$expiryFormOptions = '';
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if ( $this->mExistingExpiry[$action] && $this->mExistingExpiry[$action] != 'infinity' ) {
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$timestamp = $wgLang->timeanddate( $this->mExistingExpiry[$action], true );
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$d = $wgLang->date( $this->mExistingExpiry[$action], true );
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$t = $wgLang->time( $this->mExistingExpiry[$action], true );
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$expiryFormOptions .=
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Xml::option(
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wfMsg( 'protect-existing-expiry', $timestamp, $d, $t ),
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'existing',
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$this->mExpirySelection[$action] == 'existing'
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) . "\n";
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}
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$expiryFormOptions .= Xml::option( wfMsg( 'protect-othertime-op' ), "othertime" ) . "\n";
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foreach( explode(',', $scExpiryOptions) as $option ) {
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if ( strpos($option, ":") === false ) {
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$show = $value = $option;
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} else {
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list($show, $value) = explode(":", $option);
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}
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$show = htmlspecialchars($show);
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$value = htmlspecialchars($value);
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$expiryFormOptions .= Xml::option( $show, $value, $this->mExpirySelection[$action] === $value ) . "\n";
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}
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# Add expiry dropdown
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if( $showProtectOptions && !$this->disabled ) {
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$out .= "
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<table><tr>
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<td class='mw-label'>
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{$mProtectexpiry}
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</td>
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<td class='mw-input'>" .
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Xml::tags( 'select',
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array(
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'id' => "mwProtectExpirySelection-$action",
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'name' => "wpProtectExpirySelection-$action",
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'onchange' => "ProtectionForm.updateExpiryList(this)",
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'tabindex' => '2' ) + $this->disabledAttrib,
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$expiryFormOptions ) .
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"</td>
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</tr></table>";
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}
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# Add custom expiry field
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$attribs = array( 'id' => "mwProtect-$action-expires",
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'onkeyup' => 'ProtectionForm.updateExpiry(this)',
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'onchange' => 'ProtectionForm.updateExpiry(this)' ) + $this->disabledAttrib;
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$out .= "<table><tr>
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<td class='mw-label'>" .
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$mProtectother .
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'</td>
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<td class="mw-input">' .
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Xml::input( "mwProtect-expiry-$action", 50, $this->mExpiry[$action], $attribs ) .
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'</td>
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</tr></table>';
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$out .= "</td></tr>" .
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Xml::closeElement( 'table' ) .
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Xml::closeElement( 'fieldset' ) .
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"</td></tr>";
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}
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# Give extensions a chance to add items to the form
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wfRunHooks( 'ProtectionForm::buildForm', array($this->mArticle,&$out) );
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$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
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// JavaScript will add another row with a value-chaining checkbox
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if( $this->mTitle->exists() ) {
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$out .= Xml::openElement( 'table', array( 'id' => 'mw-protect-table2' ) ) .
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Xml::openElement( 'tbody' );
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$out .= '<tr>
|
|
<td></td>
|
|
<td class="mw-input">' .
|
|
Xml::checkLabel( wfMsg( 'protect-cascade' ), 'mwProtect-cascade', 'mwProtect-cascade',
|
|
$this->mCascade, $this->disabledAttrib ) .
|
|
"</td>
|
|
</tr>\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' );
|
|
$out .= "
|
|
<tr>
|
|
<td class='mw-label'>
|
|
{$mProtectreasonother}
|
|
</td>
|
|
<td class='mw-input'>
|
|
{$reasonDropDown}
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td class='mw-label'>
|
|
{$mProtectreason}
|
|
</td>
|
|
<td class='mw-input'>" .
|
|
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
|
|
"</td>
|
|
</tr>";
|
|
# Disallow watching is user is not logged in
|
|
if( $wgUser->isLoggedIn() ) {
|
|
$out .= "
|
|
<tr>
|
|
<td></td>
|
|
<td class='mw-input'>" .
|
|
Xml::checkLabel( wfMsg( 'watchthis' ),
|
|
'mwProtectWatch', 'mwProtectWatch',
|
|
$this->mTitle->userIsWatching() || $wgUser->getOption( 'watchdefault' ) ) .
|
|
"</td>
|
|
</tr>";
|
|
}
|
|
$out .= "
|
|
<tr>
|
|
<td></td>
|
|
<td class='mw-submit'>" .
|
|
Xml::submitButton( wfMsg( 'confirm' ), array( 'id' => 'mw-Protect-submit' ) ) .
|
|
"</td>
|
|
</tr>\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,
|
|
wfMsgHtml( 'protect-edit-reasonlist' ),
|
|
array(),
|
|
array( 'action' => 'edit' )
|
|
);
|
|
$out .= '<p class="mw-protect-editreasons">' . $link . '</p>';
|
|
}
|
|
|
|
if ( !$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 wfMsg( 'protect-default' );
|
|
} else {
|
|
$msg = wfMessage( "protect-level-{$permission}" );
|
|
if( $msg->exists() ) {
|
|
return $msg->text();
|
|
}
|
|
return wfMsg( 'protect-fallback', $permission );
|
|
}
|
|
}
|
|
|
|
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:
|
|
$out->addHTML( Xml::element( 'h2', null, LogPage::logName( 'protect' ) ) );
|
|
LogEventsList::showLogExtract( $out, 'protect', $this->mTitle );
|
|
# Let extensions add other relevant log extracts
|
|
wfRunHooks( 'ProtectionForm::showLogExtract', array($this->mArticle,$out) );
|
|
}
|
|
}
|