%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Page protection
*
* Copyright © 2005 Brion Vibber <brion@pobox.com>
* https://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
*/
use MediaWiki\MediaWikiServices;
/**
* Handles the page protection UI and backend
*/
class ProtectionForm {
/** @var array A map of action to restriction level, from request or default */
protected $mRestrictions = [];
/** @var string The custom/additional protection reason */
protected $mReason = '';
/** @var string The reason selected from the list, blank for other/additional */
protected $mReasonSelection = '';
/** @var bool True if the restrictions are cascading, from request or existing protection */
protected $mCascade = false;
/** @var array Map of action to "other" expiry time. Used in preference to mExpirySelection. */
protected $mExpiry = [];
/**
* @var array Map of action to value selected in expiry drop-down list.
* Will be set to 'othertime' whenever mExpiry is set.
*/
protected $mExpirySelection = [];
/** @var array Permissions errors for the protect action */
protected $mPermErrors = [];
/** @var array Types (i.e. actions) for which levels can be selected */
protected $mApplicableTypes = [];
/** @var array Map of action to the expiry time of the existing protection */
protected $mExistingExpiry = [];
/** @var IContextSource */
private $mContext;
function __construct( Article $article ) {
// Set instance variables.
$this->mArticle = $article;
$this->mTitle = $article->getTitle();
$this->mApplicableTypes = $this->mTitle->getRestrictionTypes();
$this->mContext = $article->getContext();
// 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',
$this->mContext->getUser(),
$this->mContext->getRequest()->wasPosted() ? 'secure' : 'full' // T92357
);
if ( wfReadOnly() ) {
$this->mPermErrors[] = [ 'readonlytext', wfReadOnlyReason() ];
}
$this->disabled = $this->mPermErrors != [];
$this->disabledAttrib = $this->disabled
? [ 'disabled' => 'disabled' ]
: [];
$this->loadData();
}
/**
* Loads the current state of protection into the object.
*/
function loadData() {
$levels = MWNamespace::getRestrictionLevels(
$this->mTitle->getNamespace(), $this->mContext->getUser()
);
$this->mCascade = $this->mTitle->areRestrictionsCascading();
$request = $this->mContext->getRequest();
$this->mReason = $request->getText( 'mwProtect-reason' );
$this->mReasonSelection = $request->getText( 'wpProtectReasonSelection' );
$this->mCascade = $request->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 = $request->getText( "mwProtect-expiry-$action" );
$requestExpirySelection = $request->getVal( "wpProtectExpirySelection-$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 ) {
// Use existing expiry in its own list item
$this->mExpiry[$action] = '';
$this->mExpirySelection[$action] = $existingExpiry;
} else {
// Catches 'infinity' - Existing expiry is infinite, use "infinite" in drop-down
// Final default: infinite
$this->mExpiry[$action] = '';
$this->mExpirySelection[$action] = 'infinite';
}
$val = $request->getVal( "mwProtect-level-$action" );
if ( isset( $val ) && in_array( $val, $levels ) ) {
$this->mRestrictions[$action] = $val;
}
}
}
/**
* Get the expiry time for a given action, by combining the relevant inputs.
*
* @param string $action
*
* @return string|false 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 ( wfIsInfinity( $value ) ) {
$time = 'infinity';
} 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() {
if ( MWNamespace::getRestrictionLevels( $this->mTitle->getNamespace() ) === [ '' ] ) {
throw new ErrorPageError( 'protect-badnamespace-title', 'protect-badnamespace-text' );
}
if ( $this->mContext->getRequest()->wasPosted() ) {
if ( $this->save() ) {
$q = $this->mArticle->isRedirect() ? 'redirect=no' : '';
$this->mContext->getOutput()->redirect( $this->mTitle->getFullURL( $q ) );
}
} else {
$this->show();
}
}
/**
* Show the input form with optional error message
*
* @param string|null $err Error message or null if there's no error
*/
function show( $err = null ) {
$out = $this->mContext->getOutput();
$out->setRobotPolicy( 'noindex,nofollow' );
$out->addBacklinkSubtitle( $this->mTitle );
if ( is_array( $err ) ) {
$out->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n", $err );
} elseif ( is_string( $err ) ) {
$out->addHTML( "<div class='error'>{$err}</div>\n" );
}
if ( $this->mTitle->getRestrictionTypes() === [] ) {
// No restriction types available for the current title
// this might happen if an extension alters the available types
$out->setPageTitle( $this->mContext->msg(
'protect-norestrictiontypes-title',
$this->mTitle->getPrefixedText()
) );
$out->addWikiText( $this->mContext->msg( 'protect-norestrictiontypes-text' )->plain() );
// Show the log in case protection was possible once
$this->showLogExtract( $out );
// return as there isn't anything else we can do
return;
}
list( $cascadeSources, /* $restrictions */ ) = $this->mTitle->getCascadeProtectionSources();
if ( $cascadeSources && count( $cascadeSources ) > 0 ) {
$titles = '';
foreach ( $cascadeSources as $title ) {
$titles .= '* [[:' . $title->getPrefixedText() . "]]\n";
}
/** @todo FIXME: i18n issue, should use formatted number. */
$out->wrapWikiMsg(
"<div id=\"mw-protect-cascadeon\">\n$1\n" . $titles . "</div>",
[ '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 ) {
$out->setPageTitle(
$this->mContext->msg( 'protect-title-notallowed',
$this->mTitle->getPrefixedText() )
);
$out->addWikiText( $out->formatPermissionsErrorMessage( $this->mPermErrors, 'protect' ) );
} else {
$out->setPageTitle( $this->mContext->msg( 'protect-title', $this->mTitle->getPrefixedText() ) );
$out->addWikiMsg( 'protect-text',
wfEscapeWikiText( $this->mTitle->getPrefixedText() ) );
}
$out->addHTML( $this->buildForm() );
$this->showLogExtract( $out );
}
/**
* Save submitted protection form
*
* @return bool Success
*/
function save() {
# Permission check!
if ( $this->disabled ) {
$this->show();
return false;
}
$request = $this->mContext->getRequest();
$user = $this->mContext->getUser();
$out = $this->mContext->getOutput();
$token = $request->getVal( 'wpEditToken' );
if ( !$user->matchEditToken( $token, [ 'protect', $this->mTitle->getPrefixedDBkey() ] ) ) {
$this->show( [ '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 .= $this->mContext->msg( 'colon-separator' )->text() . $this->mReason;
} elseif ( $reasonstr == 'other' ) {
$reasonstr = $this->mReason;
}
$expiry = [];
foreach ( $this->mApplicableTypes as $action ) {
$expiry[$action] = $this->getExpiry( $action );
if ( empty( $this->mRestrictions[$action] ) ) {
continue; // unprotected
}
if ( !$expiry[$action] ) {
$this->show( [ 'protect_expiry_invalid' ] );
return false;
}
if ( $expiry[$action] < wfTimestampNow() ) {
$this->show( [ 'protect_expiry_old' ] );
return false;
}
}
$this->mCascade = $request->getBool( 'mwProtect-cascade' );
$status = $this->mArticle->doUpdateRestrictions(
$this->mRestrictions,
$expiry,
$this->mCascade,
$reasonstr,
$user
);
if ( !$status->isOK() ) {
$this->show( $out->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 ( !Hooks::run( 'ProtectionForm::save', [ $this->mArticle, &$errorMsg, $reasonstr ] ) ) {
if ( $errorMsg == '' ) {
$errorMsg = [ 'hookaborted' ];
}
}
if ( $errorMsg != '' ) {
$this->show( $errorMsg );
return false;
}
WatchAction::doWatchOrUnwatch( $request->getCheck( 'mwProtectWatch' ), $this->mTitle, $user );
return true;
}
/**
* Build the input form
*
* @return string HTML form
*/
function buildForm() {
$context = $this->mContext;
$user = $context->getUser();
$output = $context->getOutput();
$lang = $context->getLanguage();
$conf = $context->getConfig();
$cascadingRestrictionLevels = $conf->get( 'CascadingRestrictionLevels' );
$oldCommentSchema = $conf->get( 'CommentTableSchemaMigrationStage' ) === MIGRATION_OLD;
$out = '';
if ( !$this->disabled ) {
$output->addModules( 'mediawiki.legacy.protect' );
$output->addJsConfigVars( 'wgCascadeableLevels', $cascadingRestrictionLevels );
$out .= Xml::openElement( 'form', [ 'method' => 'post',
'action' => $this->mTitle->getLocalURL( 'action=protect' ),
'id' => 'mw-Protect-Form' ] );
}
$out .= Xml::openElement( 'fieldset' ) .
Xml::element( 'legend', null, $context->msg( 'protect-legend' )->text() ) .
Xml::openElement( 'table', [ 'id' => 'mwProtectSet' ] ) .
Xml::openElement( 'tbody' );
$scExpiryOptions = wfMessage( 'protect-expiry-options' )->inContentLanguage()->text();
$showProtectOptions = $scExpiryOptions !== '-' && !$this->disabled;
// Not all languages have V_x <-> N_x relation
foreach ( $this->mRestrictions as $action => $selected ) {
// Messages:
// restriction-edit, restriction-move, restriction-create, restriction-upload
$msg = $context->msg( 'restriction-' . $action );
$out .= "<tr><td>" .
Xml::openElement( 'fieldset' ) .
Xml::element( 'legend', null, $msg->exists() ? $msg->text() : $action ) .
Xml::openElement( 'table', [ 'id' => "mw-protect-table-$action" ] ) .
"<tr><td>" . $this->buildSelector( $action, $selected ) . "</td></tr><tr><td>";
$mProtectexpiry = Xml::label(
$context->msg( 'protectexpiry' )->text(),
"mwProtectExpirySelection-$action"
);
$mProtectother = Xml::label(
$context->msg( 'protect-othertime' )->text(),
"mwProtect-$action-expires"
);
$expiryFormOptions = new XmlSelect(
"wpProtectExpirySelection-$action",
"mwProtectExpirySelection-$action",
$this->mExpirySelection[$action]
);
$expiryFormOptions->setAttribute( 'tabindex', '2' );
if ( $this->disabled ) {
$expiryFormOptions->setAttribute( 'disabled', 'disabled' );
}
if ( $this->mExistingExpiry[$action] ) {
if ( $this->mExistingExpiry[$action] == 'infinity' ) {
$existingExpiryMessage = $context->msg( 'protect-existing-expiry-infinity' );
} else {
$timestamp = $lang->userTimeAndDate( $this->mExistingExpiry[$action], $user );
$d = $lang->userDate( $this->mExistingExpiry[$action], $user );
$t = $lang->userTime( $this->mExistingExpiry[$action], $user );
$existingExpiryMessage = $context->msg(
'protect-existing-expiry',
$timestamp,
$d,
$t
);
}
$expiryFormOptions->addOption( $existingExpiryMessage->text(), 'existing' );
}
$expiryFormOptions->addOption(
$context->msg( 'protect-othertime-op' )->text(),
'othertime'
);
foreach ( explode( ',', $scExpiryOptions ) as $option ) {
if ( strpos( $option, ":" ) === false ) {
$show = $value = $option;
} else {
list( $show, $value ) = explode( ":", $option );
}
$expiryFormOptions->addOption( $show, htmlspecialchars( $value ) );
}
# Add expiry dropdown
if ( $showProtectOptions && !$this->disabled ) {
$out .= "
<table><tr>
<td class='mw-label'>
{$mProtectexpiry}
</td>
<td class='mw-input'>" .
$expiryFormOptions->getHTML() .
"</td>
</tr></table>";
}
# Add custom expiry field
$attribs = [ 'id' => "mwProtect-$action-expires" ] + $this->disabledAttrib;
$out .= "<table><tr>
<td class='mw-label'>" .
$mProtectother .
'</td>
<td class="mw-input">' .
Xml::input( "mwProtect-expiry-$action", 50, $this->mExpiry[$action], $attribs ) .
'</td>
</tr></table>';
$out .= "</td></tr>" .
Xml::closeElement( 'table' ) .
Xml::closeElement( 'fieldset' ) .
"</td></tr>";
}
# Give extensions a chance to add items to the form
Hooks::run( 'ProtectionForm::buildForm', [ $this->mArticle, &$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', [ 'id' => 'mw-protect-table2' ] ) .
Xml::openElement( 'tbody' );
$out .= '<tr>
<td></td>
<td class="mw-input">' .
Xml::checkLabel(
$context->msg( 'protect-cascade' )->text(),
'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 ) {
$mProtectreasonother = Xml::label(
$context->msg( 'protectcomment' )->text(),
'wpProtectReasonSelection'
);
$mProtectreason = Xml::label(
$context->msg( 'protect-otherreason' )->text(),
'mwProtect-reason'
);
$reasonDropDown = Xml::listDropDown( 'wpProtectReasonSelection',
wfMessage( 'protect-dropdown' )->inContentLanguage()->text(),
wfMessage( 'protect-otherreason-op' )->inContentLanguage()->text(),
$this->mReasonSelection,
'mwProtect-reason', 4 );
// HTML maxlength uses "UTF-16 code units", which means that characters outside BMP
// (e.g. emojis) count for two each. This limit is overridden in JS to instead count
// Unicode codepoints (or 180 UTF-8 bytes for old schema).
// Subtract arbitrary 75 to leave some space for the autogenerated null edit's summary
// and other texts chosen by dropdown menus on this page.
$maxlength = $oldCommentSchema ? 180 : CommentStore::COMMENT_CHARACTER_LIMIT - 75;
$out .= Xml::openElement( 'table', [ '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, [ 'type' => 'text',
'id' => 'mwProtect-reason', 'maxlength' => $maxlength ] ) .
"</td>
</tr>";
# Disallow watching is user is not logged in
if ( $user->isLoggedIn() ) {
$out .= "
<tr>
<td></td>
<td class='mw-input'>" .
Xml::checkLabel( $context->msg( 'watchthis' )->text(),
'mwProtectWatch', 'mwProtectWatch',
$user->isWatched( $this->mTitle ) || $user->getOption( 'watchdefault' ) ) .
"</td>
</tr>";
}
$out .= "
<tr>
<td></td>
<td class='mw-submit'>" .
Xml::submitButton(
$context->msg( 'confirm' )->text(),
[ 'id' => 'mw-Protect-submit' ]
) .
"</td>
</tr>\n";
$out .= Xml::closeElement( 'tbody' ) . Xml::closeElement( 'table' );
}
$out .= Xml::closeElement( 'fieldset' );
if ( $user->isAllowed( 'editinterface' ) ) {
$linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
$link = $linkRenderer->makeKnownLink(
$context->msg( 'protect-dropdown' )->inContentLanguage()->getTitle(),
$context->msg( 'protect-edit-reasonlist' )->text(),
[],
[ 'action' => 'edit' ]
);
$out .= '<p class="mw-protect-editreasons">' . $link . '</p>';
}
if ( !$this->disabled ) {
$out .= Html::hidden(
'wpEditToken',
$user->getEditToken( [ 'protect', $this->mTitle->getPrefixedDBkey() ] )
);
$out .= Xml::closeElement( 'form' );
}
return $out;
}
/**
* Build protection level selector
*
* @param string $action Action to protect
* @param string $selected Current protection level
* @return string HTML fragment
*/
function buildSelector( $action, $selected ) {
// If the form is disabled, display all relevant levels. Otherwise,
// just show the ones this user can use.
$levels = MWNamespace::getRestrictionLevels( $this->mTitle->getNamespace(),
$this->disabled ? null : $this->mContext->getUser()
);
$id = 'mwProtect-level-' . $action;
$select = new XmlSelect( $id, $id, $selected );
$select->setAttribute( 'size', count( $levels ) );
if ( $this->disabled ) {
$select->setAttribute( 'disabled', 'disabled' );
}
foreach ( $levels as $key ) {
$select->addOption( $this->getOptionLabel( $key ), $key );
}
return $select->getHTML();
}
/**
* Prepare the label for a protection selector option
*
* @param string $permission Permission required
* @return string
*/
private function getOptionLabel( $permission ) {
if ( $permission == '' ) {
return $this->mContext->msg( 'protect-default' )->text();
} else {
// Messages: protect-level-autoconfirmed, protect-level-sysop
$msg = $this->mContext->msg( "protect-level-{$permission}" );
if ( $msg->exists() ) {
return $msg->text();
}
return $this->mContext->msg( 'protect-fallback', $permission )->text();
}
}
/**
* Show protection long extracts for this page
*
* @param OutputPage &$out
* @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
Hooks::run( 'ProtectionForm::showLogExtract', [ $this->mArticle, $out ] );
}
}
Zerion Mini Shell 1.0