3 * Request-dependant objects containers.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
22 * @author Alexandre Emsenhuber
23 * @author Daniel Friesen
28 * Group all the pieces relevant to the context of a request into one instance
30 class RequestContext
implements IContextSource
{
63 * Set the WebRequest object
65 * @param $r WebRequest object
67 public function setRequest( WebRequest
$r ) {
72 * Get the WebRequest object
76 public function getRequest() {
77 if ( $this->request
=== null ) {
78 global $wgRequest; # fallback to $wg till we can improve this
79 $this->request
= $wgRequest;
81 return $this->request
;
85 * Set the Title object
87 * @param $t Title object
89 public function setTitle( Title
$t ) {
94 * Get the Title object
98 public function getTitle() {
99 if ( $this->title
=== null ) {
100 global $wgTitle; # fallback to $wg till we can improve this
101 $this->title
= $wgTitle;
107 * @param $o OutputPage
109 public function setOutput( OutputPage
$o ) {
114 * Get the OutputPage object
116 * @return OutputPage object
118 public function getOutput() {
119 if ( $this->output
=== null ) {
120 $this->output
= new OutputPage( $this );
122 return $this->output
;
126 * Set the User object
130 public function setUser( User
$u ) {
135 * Get the User object
139 public function getUser() {
140 if ( $this->user
=== null ) {
141 $this->user
= User
::newFromSession( $this->getRequest() );
147 * Accepts a language code and ensures it's sane. Outputs a cleaned up language
148 * code and replaces with $wgLanguageCode if not sane.
149 * @param $code string
152 public static function sanitizeLangCode( $code ) {
153 global $wgLanguageCode;
155 // BCP 47 - letter case MUST NOT carry meaning
156 $code = strtolower( $code );
159 if( empty( $code ) ||
!Language
::isValidCode( $code ) ||
( $code === 'qqq' ) ) {
160 wfDebug( "Invalid user language code\n" );
161 $code = $wgLanguageCode;
168 * Set the Language object
170 * @deprecated 1.19 Use setLanguage instead
171 * @param $l Mixed Language instance or language code
173 public function setLang( $l ) {
174 wfDeprecated( __METHOD__
, '1.19' );
175 $this->setLanguage( $l );
179 * Set the Language object
181 * @param $l Mixed Language instance or language code
184 public function setLanguage( $l ) {
185 if ( $l instanceof Language
) {
187 } elseif ( is_string( $l ) ) {
188 $l = self
::sanitizeLangCode( $l );
189 $obj = Language
::factory( $l );
192 throw new MWException( __METHOD__
. " was passed an invalid type of data." );
197 * @deprecated 1.19 Use getLanguage instead
200 public function getLang() {
201 wfDeprecated( __METHOD__
, '1.19' );
202 return $this->getLanguage();
206 * Get the Language object
211 public function getLanguage() {
212 if ( $this->lang
=== null ) {
213 global $wgLanguageCode, $wgContLang;
214 $code = $this->getRequest()->getVal(
216 $this->getUser()->getOption( 'language' )
218 $code = self
::sanitizeLangCode( $code );
220 wfRunHooks( 'UserGetLanguageObject', array( $this->getUser(), &$code ) );
222 if( $code === $wgLanguageCode ) {
223 $this->lang
= $wgContLang;
225 $obj = Language
::factory( $code );
233 * Set the Skin object
237 public function setSkin( Skin
$s ) {
238 $this->skin
= clone $s;
239 $this->skin
->setContext( $this );
243 * Get the Skin object
247 public function getSkin() {
248 if ( $this->skin
=== null ) {
249 wfProfileIn( __METHOD__
. '-createskin' );
252 wfRunHooks( 'RequestContextCreateSkin', array( $this, &$skin ) );
254 // If the hook worked try to set a skin from it
255 if ( $skin instanceof Skin
) {
257 } elseif ( is_string($skin) ) {
258 $this->skin
= Skin
::newFromKey( $skin );
261 // If this is still null (the hook didn't run or didn't work)
262 // then go through the normal processing to load a skin
263 if ( $this->skin
=== null ) {
264 global $wgHiddenPrefs;
265 if( !in_array( 'skin', $wgHiddenPrefs ) ) {
267 $userSkin = $this->getUser()->getOption( 'skin' );
268 $userSkin = $this->getRequest()->getVal( 'useskin', $userSkin );
270 # if we're not allowing users to override, then use the default
271 global $wgDefaultSkin;
272 $userSkin = $wgDefaultSkin;
275 $this->skin
= Skin
::newFromKey( $userSkin );
278 // After all that set a context on whatever skin got created
279 $this->skin
->setContext( $this );
280 wfProfileOut( __METHOD__
. '-createskin' );
285 /** Helpful methods **/
288 * Get a Message object with context set
289 * Parameters are the same as wfMessage()
291 * @return Message object
293 public function msg() {
294 $args = func_get_args();
295 return call_user_func_array( 'wfMessage', $args )->setContext( $this );
298 /** Static methods **/
301 * Get the RequestContext object associated with the main request
303 * @return RequestContext object
305 public static function getMain() {
306 static $instance = null;
307 if ( $instance === null ) {
308 $instance = new self
;
314 * Create a new extraneous context. The context is filled with information
315 * external to the current session.
316 * - Title is specified by argument
317 * - Request is a FauxRequest, or a FauxRequest can be specified by argument
318 * - User is an anonymous user, for separation IPv4 localhost is used
319 * - Language will be based on the anonymous user and request, may be content
320 * language or a uselang param in the fauxrequest data may change the lang
321 * - Skin will be based on the anonymous user, should be the wiki's default skin
323 * @param $title Title Title to use for the extraneous request
324 * @param $request Mixed A WebRequest or data to use for a FauxRequest
325 * @return RequestContext
327 public static function newExtraneousContext( Title
$title, $request=array() ) {
329 $context->setTitle( $title );
330 if ( $request instanceof WebRequest
) {
331 $context->setRequest( $request );
333 $context->setRequest( new FauxRequest( $request ) );
335 $context->user
= User
::newFromName( '127.0.0.1', false );