286 lines
8.6 KiB
PHP
286 lines
8.6 KiB
PHP
<?php
|
|
/**
|
|
* Revision/log/file deletion backend
|
|
*
|
|
* @file
|
|
*/
|
|
|
|
/**
|
|
* Temporary b/c interface, collection of static functions.
|
|
* @ingroup SpecialPage
|
|
*/
|
|
class RevisionDeleter {
|
|
/**
|
|
* Checks for a change in the bitfield for a certain option and updates the
|
|
* provided array accordingly.
|
|
*
|
|
* @param $desc String: description to add to the array if the option was
|
|
* enabled / disabled.
|
|
* @param $field Integer: the bitmask describing the single option.
|
|
* @param $diff Integer: the xor of the old and new bitfields.
|
|
* @param $new Integer: the new bitfield
|
|
* @param $arr Array: the array to update.
|
|
*/
|
|
protected static function checkItem( $desc, $field, $diff, $new, &$arr ) {
|
|
if( $diff & $field ) {
|
|
$arr[ ( $new & $field ) ? 0 : 1 ][] = $desc;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Gets an array of message keys describing the changes made to the visibility
|
|
* of the revision. If the resulting array is $arr, then $arr[0] will contain an
|
|
* array of strings describing the items that were hidden, $arr[2] will contain
|
|
* an array of strings describing the items that were unhidden, and $arr[3] will
|
|
* contain an array with a single string, which can be one of "applied
|
|
* restrictions to sysops", "removed restrictions from sysops", or null.
|
|
*
|
|
* @param $n Integer: the new bitfield.
|
|
* @param $o Integer: the old bitfield.
|
|
* @return An array as described above.
|
|
*/
|
|
protected static function getChanges( $n, $o ) {
|
|
$diff = $n ^ $o;
|
|
$ret = array( 0 => array(), 1 => array(), 2 => array() );
|
|
// Build bitfield changes in language
|
|
self::checkItem( 'revdelete-content',
|
|
Revision::DELETED_TEXT, $diff, $n, $ret );
|
|
self::checkItem( 'revdelete-summary',
|
|
Revision::DELETED_COMMENT, $diff, $n, $ret );
|
|
self::checkItem( 'revdelete-uname',
|
|
Revision::DELETED_USER, $diff, $n, $ret );
|
|
// Restriction application to sysops
|
|
if( $diff & Revision::DELETED_RESTRICTED ) {
|
|
if( $n & Revision::DELETED_RESTRICTED )
|
|
$ret[2][] = 'revdelete-restricted';
|
|
else
|
|
$ret[2][] = 'revdelete-unrestricted';
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Gets a log message to describe the given revision visibility change. This
|
|
* message will be of the form "[hid {content, edit summary, username}];
|
|
* [unhid {...}][applied restrictions to sysops] for $count revisions: $comment".
|
|
*
|
|
* @param $count Integer: The number of effected revisions.
|
|
* @param $nbitfield Integer: The new bitfield for the revision.
|
|
* @param $obitfield Integer: The old bitfield for the revision.
|
|
* @param $isForLog Boolean
|
|
* @param $forContent Boolean
|
|
*/
|
|
public static function getLogMessage( $count, $nbitfield, $obitfield, $isForLog = false, $forContent = false ) {
|
|
global $wgLang, $wgContLang;
|
|
|
|
$lang = $forContent ? $wgContLang : $wgLang;
|
|
$msgFunc = $forContent ? "wfMsgForContent" : "wfMsg";
|
|
|
|
$changes = self::getChanges( $nbitfield, $obitfield );
|
|
array_walk( $changes, array( __CLASS__, 'expandMessageArray' ), $forContent );
|
|
|
|
$changesText = array();
|
|
|
|
if( count( $changes[0] ) ) {
|
|
$changesText[] = $msgFunc( 'revdelete-hid', $lang->commaList( $changes[0] ) );
|
|
}
|
|
if( count( $changes[1] ) ) {
|
|
$changesText[] = $msgFunc( 'revdelete-unhid', $lang->commaList( $changes[1] ) );
|
|
}
|
|
|
|
$s = $lang->semicolonList( $changesText );
|
|
if( count( $changes[2] ) ) {
|
|
$s .= $s ? ' (' . $changes[2][0] . ')' : ' ' . $changes[2][0];
|
|
}
|
|
|
|
$msg = $isForLog ? 'logdelete-log-message' : 'revdelete-log-message';
|
|
return wfMsgExt( $msg, $forContent ? array( 'parsemag', 'content' ) : array( 'parsemag' ), $s, $lang->formatNum($count) );
|
|
}
|
|
|
|
private static function expandMessageArray(& $msg, $key, $forContent) {
|
|
if ( is_array ( $msg ) ) {
|
|
array_walk( $msg, array( __CLASS__, 'expandMessageArray' ), $forContent );
|
|
} else {
|
|
if ( $forContent ) {
|
|
$msg = wfMsgForContent($msg);
|
|
} else {
|
|
$msg = wfMsg($msg);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Get DB field name for URL param...
|
|
// Future code for other things may also track
|
|
// other types of revision-specific changes.
|
|
// @returns string One of log_id/rev_id/fa_id/ar_timestamp/oi_archive_name
|
|
public static function getRelationType( $typeName ) {
|
|
if ( isset( SpecialRevisionDelete::$deprecatedTypeMap[$typeName] ) ) {
|
|
$typeName = SpecialRevisionDelete::$deprecatedTypeMap[$typeName];
|
|
}
|
|
if ( isset( SpecialRevisionDelete::$allowedTypes[$typeName] ) ) {
|
|
$class = SpecialRevisionDelete::$allowedTypes[$typeName]['list-class'];
|
|
$list = new $class( null, null, null );
|
|
return $list->getIdField();
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Checks if a revision still exists in the revision table.
|
|
* If it doesn't, returns the corresponding ar_timestamp field
|
|
* so that this key can be used instead.
|
|
*
|
|
* @static
|
|
* @param $title Title
|
|
* @param $revid
|
|
* @return bool|mixed
|
|
*/
|
|
public static function checkRevisionExistence( $title, $revid ) {
|
|
$dbr = wfGetDB( DB_SLAVE );
|
|
$exists = $dbr->selectField( 'revision', '1',
|
|
array( 'rev_id' => $revid ), __METHOD__ );
|
|
|
|
if ( $exists ) {
|
|
return true;
|
|
}
|
|
|
|
$timestamp = $dbr->selectField( 'archive', 'ar_timestamp',
|
|
array( 'ar_namespace' => $title->getNamespace(),
|
|
'ar_title' => $title->getDBkey(),
|
|
'ar_rev_id' => $revid ), __METHOD__ );
|
|
|
|
return $timestamp;
|
|
}
|
|
|
|
/**
|
|
* Creates utility links for log entries.
|
|
*
|
|
* @static
|
|
* @param $title Title
|
|
* @param $paramArray Array
|
|
* @param $skin Skin
|
|
* @param $messages
|
|
* @return String
|
|
*/
|
|
public static function getLogLinks( $title, $paramArray, $skin, $messages ) {
|
|
global $wgLang;
|
|
|
|
if( count($paramArray) >= 2 ) {
|
|
// Different revision types use different URL params...
|
|
$originalKey = $key = $paramArray[0];
|
|
// $paramArray[1] is a CSV of the IDs
|
|
$Ids = explode( ',', $paramArray[1] );
|
|
|
|
$revert = array();
|
|
|
|
// For if undeleted revisions are found amidst deleted ones.
|
|
$undeletedRevisions = array();
|
|
|
|
// This is not going to work if some revs are deleted and some
|
|
// aren't.
|
|
if ($key == 'revision') {
|
|
foreach( $Ids as $k => $id ) {
|
|
$existResult =
|
|
self::checkRevisionExistence( $title, $id );
|
|
|
|
if ($existResult !== true) {
|
|
$key = 'archive';
|
|
$Ids[$k] = $existResult;
|
|
} else {
|
|
// Undeleted revision amidst deleted ones
|
|
unset($Ids[$k]);
|
|
$undeletedRevisions[] = $id;
|
|
}
|
|
}
|
|
|
|
if ( $key == $originalKey ) {
|
|
$Ids = $undeletedRevisions;
|
|
$undeletedRevisions = array();
|
|
}
|
|
}
|
|
|
|
// Diff link for single rev deletions
|
|
if( count($Ids) == 1 && !count($undeletedRevisions) ) {
|
|
// Live revision diffs...
|
|
if( in_array( $key, array( 'oldid', 'revision' ) ) ) {
|
|
$revert[] = $skin->link(
|
|
$title,
|
|
$messages['diff'],
|
|
array(),
|
|
array(
|
|
'diff' => intval( $Ids[0] ),
|
|
'unhide' => 1
|
|
),
|
|
array( 'known', 'noclasses' )
|
|
);
|
|
// Deleted revision diffs...
|
|
} else if( in_array( $key, array( 'artimestamp','archive' ) ) ) {
|
|
$revert[] = $skin->link(
|
|
SpecialPage::getTitleFor( 'Undelete' ),
|
|
$messages['diff'],
|
|
array(),
|
|
array(
|
|
'target' => $title->getPrefixedDBKey(),
|
|
'diff' => 'prev',
|
|
'timestamp' => $Ids[0]
|
|
),
|
|
array( 'known', 'noclasses' )
|
|
);
|
|
}
|
|
}
|
|
|
|
// View/modify link...
|
|
if ( count( $undeletedRevisions ) ) {
|
|
// FIXME THIS IS A HORRIBLE HORRIBLE HACK AND SHOULD DIE
|
|
// It's not possible to pass a list of both deleted and
|
|
// undeleted revisions to SpecialRevisionDelete, so we're
|
|
// stuck with two links. See bug 23363.
|
|
$restoreLinks = array();
|
|
|
|
$restoreLinks[] = $skin->link(
|
|
SpecialPage::getTitleFor( 'Revisiondelete' ),
|
|
$messages['revdel-restore-visible'],
|
|
array(),
|
|
array(
|
|
'target' => $title->getPrefixedText(),
|
|
'type' => $originalKey,
|
|
'ids' => implode( ',', $undeletedRevisions ),
|
|
),
|
|
array( 'known', 'noclasses' )
|
|
);
|
|
|
|
$restoreLinks[] = $skin->link(
|
|
SpecialPage::getTitleFor( 'Revisiondelete' ),
|
|
$messages['revdel-restore-deleted'],
|
|
array(),
|
|
array(
|
|
'target' => $title->getPrefixedText(),
|
|
'type' => $key,
|
|
'ids' => implode(',', $Ids),
|
|
),
|
|
array( 'known', 'noclasses' )
|
|
);
|
|
|
|
$revert[] = $messages['revdel-restore'] . ' [' .
|
|
$wgLang->pipeList( $restoreLinks ) . ']';
|
|
} else {
|
|
$revert[] = $skin->link(
|
|
SpecialPage::getTitleFor( 'Revisiondelete' ),
|
|
$messages['revdel-restore'],
|
|
array(),
|
|
array(
|
|
'target' => $title->getPrefixedText(),
|
|
'type' => $key,
|
|
'ids' => implode(',', $Ids),
|
|
),
|
|
array( 'known', 'noclasses' )
|
|
);
|
|
}
|
|
|
|
// Pipe links
|
|
return wfMsg( 'parentheses', $wgLang->pipeList( $revert ) );
|
|
}
|
|
return '';
|
|
}
|
|
}
|