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
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
<?php
/**
* Raw page text accessor
*
* Copyright © 2004 Gabriel Wicke <wicke@wikidev.net>
* http://wikidev.net/
*
* Based on HistoryPage and SpecialExport
*
* License: GPL (http://www.gnu.org/copyleft/gpl.html)
*
* @author Gabriel Wicke <wicke@wikidev.net>
* @file
*/
/**
* A simple method to retrieve the plain source of an article,
* using "action=raw" in the GET request string.
*/
class RawAction extends FormlessAction {
private $mGen;
public function getName() {
return 'raw';
}
public function requiresWrite() {
return false;
}
public function requiresUnblock() {
return false;
}
function onView() {
global $wgGroupPermissions, $wgSquidMaxage, $wgForcedRawSMaxage, $wgJsMimeType;
$this->getOutput()->disable();
$request = $this->getRequest();
if ( !$request->checkUrlExtension() ) {
return;
}
if ( $this->getOutput()->checkLastModified( $this->page->getTouched() ) ) {
return; // Client cache fresh and headers sent, nothing more to do.
}
# special case for 'generated' raw things: user css/js
# This is deprecated and will only return empty content
$gen = $request->getVal( 'gen' );
$smaxage = $request->getIntOrNull( 'smaxage' );
if ( $gen == 'css' || $gen == 'js' ) {
$this->mGen = $gen;
if ( $smaxage === null ) {
$smaxage = $wgSquidMaxage;
}
} else {
$this->mGen = false;
}
$contentType = $this->getContentType();
# Force caching for CSS and JS raw content, default: 5 minutes
if ( $smaxage === null ) {
if ( $contentType == 'text/css' || $contentType == $wgJsMimeType ) {
$smaxage = intval( $wgForcedRawSMaxage );
} else {
$smaxage = 0;
}
}
$maxage = $request->getInt( 'maxage', $wgSquidMaxage );
$response = $request->response();
$response->header( 'Content-type: ' . $contentType . '; charset=UTF-8' );
# Output may contain user-specific data;
# vary generated content for open sessions on private wikis
$privateCache = !$wgGroupPermissions['*']['read'] && ( $smaxage == 0 || session_id() != '' );
# allow the client to cache this for 24 hours
$mode = $privateCache ? 'private' : 'public';
$response->header( 'Cache-Control: ' . $mode . ', s-maxage=' . $smaxage . ', max-age=' . $maxage );
$text = $this->getRawText();
if ( $text === false && $contentType == 'text/x-wiki' ) {
# Don't return a 404 response for CSS or JavaScript;
# 404s aren't generally cached and it would create
# extra hits when user CSS/JS are on and the user doesn't
# have the pages.
$response->header( 'HTTP/1.x 404 Not Found' );
}
if ( !wfRunHooks( 'RawPageViewBeforeOutput', array( &$this, &$text ) ) ) {
wfDebug( __METHOD__ . ": RawPageViewBeforeOutput hook broke raw page output.\n" );
}
echo $text;
}
/**
* Get the text that should be returned, or false if the page or revision
* was not found.
*
* @return String|Bool
*/
public function getRawText() {
global $wgParser;
# No longer used
if( $this->mGen ) {
return '';
}
$text = false;
$title = $this->getTitle();
$request = $this->getRequest();
// If it's a MediaWiki message we can just hit the message cache
if ( $request->getBool( 'usemsgcache' ) && $title->getNamespace() == NS_MEDIAWIKI ) {
$key = $title->getDBkey();
$msg = wfMessage( $key )->inContentLanguage();
# If the message doesn't exist, return a blank
$text = !$msg->exists() ? '' : $msg->plain();
} else {
// Get it from the DB
$rev = Revision::newFromTitle( $title, $this->getOldId() );
if ( $rev ) {
$lastmod = wfTimestamp( TS_RFC2822, $rev->getTimestamp() );
$request->response()->header( "Last-modified: $lastmod" );
// Public-only due to cache headers
$text = $rev->getText();
$section = $request->getIntOrNull( 'section' );
if ( $section !== null ) {
$text = $wgParser->getSection( $text, $section );
}
}
}
if ( $text !== false && $text !== '' && $request->getVal( 'templates' ) === 'expand' ) {
$text = $wgParser->preprocess( $text, $title, ParserOptions::newFromContext( $this->getContext() ) );
}
return $text;
}
/**
* Get the ID of the revision that should used to get the text.
*
* @return Integer
*/
public function getOldId() {
$oldid = $this->getRequest()->getInt( 'oldid' );
switch ( $this->getRequest()->getText( 'direction' ) ) {
case 'next':
# output next revision, or nothing if there isn't one
if( $oldid ) {
$oldid = $this->getTitle()->getNextRevisionId( $oldid );
}
$oldid = $oldid ? $oldid : -1;
break;
case 'prev':
# output previous revision, or nothing if there isn't one
if( !$oldid ) {
# get the current revision so we can get the penultimate one
$oldid = $this->page->getLatest();
}
$prev = $this->getTitle()->getPreviousRevisionId( $oldid );
$oldid = $prev ? $prev : -1 ;
break;
case 'cur':
$oldid = 0;
break;
}
return $oldid;
}
/**
* Get the content type to use for the response
*
* @return String
*/
public function getContentType() {
global $wgJsMimeType;
$ctype = $this->getRequest()->getVal( 'ctype' );
if ( $ctype == '' ) {
$gen = $this->getRequest()->getVal( 'gen' );
if ( $gen == 'js' ) {
$ctype = $wgJsMimeType;
} elseif ( $gen == 'css' ) {
$ctype = 'text/css';
}
}
$allowedCTypes = array( 'text/x-wiki', $wgJsMimeType, 'text/css', 'application/x-zope-edit' );
if ( $ctype == '' || !in_array( $ctype, $allowedCTypes ) ) {
$ctype = 'text/x-wiki';
}
return $ctype;
}
}
/**
* Backward compatibility for extensions
*
* @deprecated in 1.19
*/
class RawPage extends RawAction {
public $mOldId;
function __construct( Page $page, $request = false ) {
wfDeprecated( __CLASS__, '1.19' );
parent::__construct( $page );
if ( $request !== false ) {
$context = new DerivativeContext( $this->getContext() );
$context->setRequest( $request );
$this->context = $context;
}
}
public function view() {
$this->onView();
}
public function getOldId() {
# Some extensions like to set $mOldId
if ( $this->mOldId !== null ) {
return $this->mOldId;
}
return parent::getOldId();
}
}
|
