167 lines
4.6 KiB
PHP
167 lines
4.6 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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namespace MediaWiki\Context;
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use MediaWiki\Config\Config;
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use MediaWiki\Language\Language;
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use MediaWiki\Language\LocalizationContext;
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use MediaWiki\Output\OutputPage;
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use MediaWiki\Permissions\Authority;
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use MediaWiki\Request\WebRequest;
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use MediaWiki\Session\CsrfTokenSetProvider;
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use MediaWiki\Title\Title;
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use MediaWiki\User\User;
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use Skin;
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use Timing;
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use WikiPage;
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/**
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* Interface for objects which can provide a MediaWiki context on request
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*
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* Context objects contain request-dependent objects that manage the core
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* web request/response logic for essentially all requests to MediaWiki.
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* The contained objects include:
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* a) Key objects that depend (for construction/loading) on the HTTP request
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* b) Key objects used for response building and PHP session state control
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* c) Performance metric deltas accumulated from request execution
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* d) The site configuration object
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* All these objects are useful for the vast majority of MediaWiki requests.
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* The site configuration object is included on grounds of extreme
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* utility, even though it should not depend on the web request.
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*
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* More specifically, the scope of the context includes:
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* a) Objects that represent the HTTP request/response and PHP session state
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* b) Object representing the MediaWiki user (as determined by the HTTP request)
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* c) Primary MediaWiki output builder objects (OutputPage, user skin object)
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* d) The language object for the user/request
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* e) The title and wiki page objects requested via URL (if any)
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* f) Performance metric deltas accumulated from request execution
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* g) The site configuration object
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*
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* This class is not intended as a service-locator nor a service singleton.
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* Objects that only depend on site configuration do not belong here (aside
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* from Config itself). Objects that represent persistent data stores do not
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* belong here either. Session state changes should only be propagated on
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* shutdown by separate persistence handler objects, for example.
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*
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* Must not be implemented directly by extensions, extend ContextSource instead.
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*
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* @since 1.18
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* @stable to type
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* @author Happy-melon
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*/
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interface IContextSource extends LocalizationContext, CsrfTokenSetProvider {
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/**
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* @return WebRequest
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*/
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public function getRequest();
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/**
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* @return Title|null
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*/
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public function getTitle();
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/**
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* Check whether a WikiPage object can be obtained with getWikiPage().
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*
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* Callers should expect that an exception is thrown from getWikiPage()
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* if this method returns false.
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*
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* @since 1.19
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* @return bool
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*/
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public function canUseWikiPage();
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/**
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* Get the WikiPage object.
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*
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* May throw an exception if there's no Title object set or the Title object
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* belongs to a special namespace that doesn't have WikiPage, so use first
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* canUseWikiPage() to check whether this method can be called safely.
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*
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* @since 1.19
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* @return WikiPage
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*/
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public function getWikiPage();
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/**
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* Get the action name for the current web request.
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*
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* @since 1.38
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* @return string
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*/
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public function getActionName(): string;
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/**
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* @return OutputPage
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*/
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public function getOutput();
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/**
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* @return User
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*/
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public function getUser();
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/**
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* @since 1.36
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* @return Authority
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*/
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public function getAuthority(): Authority;
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/**
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* @since 1.19
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* @return Language
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*/
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public function getLanguage();
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/**
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* @return Skin
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*/
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public function getSkin();
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/**
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* Get the site configuration
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*
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* @since 1.23
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* @return Config
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*/
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public function getConfig();
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/**
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* @since 1.27
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* @return Timing
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*/
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public function getTiming();
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/**
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* Export the resolved user IP, HTTP headers, user ID, and session ID.
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*
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* The result will be reasonably sized to allow for serialization.
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*
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* @return array
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* @since 1.21
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*/
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public function exportSession();
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}
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/** @deprecated class alias since 1.42 */
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class_alias( IContextSource::class, 'IContextSource' );
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