1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
<?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
* keys describing the items that were hidden, $arr[1] will contain
* an array of keys describing the items that were unhidden, and $arr[2]
* will contain an array with a single message key, which can be one of
* "revdelete-restricted", "revdelete-unrestricted" indicating (un)suppression
* or null to indicate nothing in particular.
* You can turn the keys in $arr[0] and $arr[1] into message keys by
* appending -hid and and -unhid to the keys respectively.
*
* @param $n Integer: the new bitfield.
* @param $o Integer: the old bitfield.
* @return An array as described above.
* @since 1.19 public
*/
public 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;
}
/** Get DB field name for URL param...
* Future code for other things may also track
* other types of revision-specific changes.
* @return 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'];
return call_user_func( array( $class, 'getRelationType' ) );
} 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.
*
* @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.
*
* @param $title Title
* @param $paramArray Array
* @param $messages
* @return String
*/
public static function getLogLinks( $title, $paramArray, $messages ) {
global $wgLang;
if ( count( $paramArray ) >= 2 ) {
// Different revision types use different URL params...
$key = $paramArray[0];
// $paramArray[1] is a CSV of the IDs
$Ids = explode( ',', $paramArray[1] );
$revert = array();
// Diff link for single rev deletions
if ( count( $Ids ) == 1 ) {
// Live revision diffs...
if ( in_array( $key, array( 'oldid', 'revision' ) ) ) {
$revert[] = Linker::linkKnown(
$title,
$messages['diff'],
array(),
array(
'diff' => intval( $Ids[0] ),
'unhide' => 1
)
);
// Deleted revision diffs...
} elseif ( in_array( $key, array( 'artimestamp','archive' ) ) ) {
$revert[] = Linker::linkKnown(
SpecialPage::getTitleFor( 'Undelete' ),
$messages['diff'],
array(),
array(
'target' => $title->getPrefixedDBKey(),
'diff' => 'prev',
'timestamp' => $Ids[0]
)
);
}
}
// View/modify link...
$revert[] = Linker::linkKnown(
SpecialPage::getTitleFor( 'Revisiondelete' ),
$messages['revdel-restore'],
array(),
array(
'target' => $title->getPrefixedText(),
'type' => $key,
'ids' => implode(',', $Ids),
)
);
// Pipe links
return wfMsg( 'parentheses', $wgLang->pipeList( $revert ) );
}
return '';
}
}
|
