]> scripts.mit.edu Git - autoinstallsdev/mediawiki.git/blobdiff - includes/MWGrants.php
MediaWiki 1.30.2
[autoinstallsdev/mediawiki.git] / includes / MWGrants.php
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+<?php
+/**
+ * Functions and constants to deal with grants
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+use MediaWiki\MediaWikiServices;
+
+/**
+ * A collection of public static functions to deal with grants.
+ */
+class MWGrants {
+
+       /**
+        * List all known grants.
+        * @return array
+        */
+       public static function getValidGrants() {
+               global $wgGrantPermissions;
+
+               return array_keys( $wgGrantPermissions );
+       }
+
+       /**
+        * Map all grants to corresponding user rights.
+        * @return array grant => array of rights
+        */
+       public static function getRightsByGrant() {
+               global $wgGrantPermissions;
+
+               $res = [];
+               foreach ( $wgGrantPermissions as $grant => $rights ) {
+                       $res[$grant] = array_keys( array_filter( $rights ) );
+               }
+               return $res;
+       }
+
+       /**
+        * Fetch the display name of the grant
+        * @param string $grant
+        * @param Language|string|null $lang
+        * @return string Grant description
+        */
+       public static function grantName( $grant, $lang = null ) {
+               // Give grep a chance to find the usages:
+               // grant-blockusers, grant-createeditmovepage, grant-delete,
+               // grant-editinterface, grant-editmycssjs, grant-editmywatchlist,
+               // grant-editpage, grant-editprotected, grant-highvolume,
+               // grant-oversight, grant-patrol, grant-protect, grant-rollback,
+               // grant-sendemail, grant-uploadeditmovefile, grant-uploadfile,
+               // grant-basic, grant-viewdeleted, grant-viewmywatchlist,
+               // grant-createaccount
+               $msg = wfMessage( "grant-$grant" );
+               if ( $lang !== null ) {
+                       if ( is_string( $lang ) ) {
+                               $lang = Language::factory( $lang );
+                       }
+                       $msg->inLanguage( $lang );
+               }
+               if ( !$msg->exists() ) {
+                       $msg = wfMessage( 'grant-generic', $grant );
+                       if ( $lang ) {
+                               $msg->inLanguage( $lang );
+                       }
+               }
+               return $msg->text();
+       }
+
+       /**
+        * Fetch the display names for the grants.
+        * @param string[] $grants
+        * @param Language|string|null $lang
+        * @return string[] Corresponding grant descriptions
+        */
+       public static function grantNames( array $grants, $lang = null ) {
+               if ( $lang !== null ) {
+                       if ( is_string( $lang ) ) {
+                               $lang = Language::factory( $lang );
+                       }
+               }
+
+               $ret = [];
+               foreach ( $grants as $grant ) {
+                       $ret[] = self::grantName( $grant, $lang );
+               }
+               return $ret;
+       }
+
+       /**
+        * Fetch the rights allowed by a set of grants.
+        * @param string[]|string $grants
+        * @return string[]
+        */
+       public static function getGrantRights( $grants ) {
+               global $wgGrantPermissions;
+
+               $rights = [];
+               foreach ( (array)$grants as $grant ) {
+                       if ( isset( $wgGrantPermissions[$grant] ) ) {
+                               $rights = array_merge( $rights, array_keys( array_filter( $wgGrantPermissions[$grant] ) ) );
+                       }
+               }
+               return array_unique( $rights );
+       }
+
+       /**
+        * Test that all grants in the list are known.
+        * @param string[] $grants
+        * @return bool
+        */
+       public static function grantsAreValid( array $grants ) {
+               return array_diff( $grants, self::getValidGrants() ) === [];
+       }
+
+       /**
+        * Divide the grants into groups.
+        * @param string[]|null $grantsFilter
+        * @return array Map of (group => (grant list))
+        */
+       public static function getGrantGroups( $grantsFilter = null ) {
+               global $wgGrantPermissions, $wgGrantPermissionGroups;
+
+               if ( is_array( $grantsFilter ) ) {
+                       $grantsFilter = array_flip( $grantsFilter );
+               }
+
+               $groups = [];
+               foreach ( $wgGrantPermissions as $grant => $rights ) {
+                       if ( $grantsFilter !== null && !isset( $grantsFilter[$grant] ) ) {
+                               continue;
+                       }
+                       if ( isset( $wgGrantPermissionGroups[$grant] ) ) {
+                               $groups[$wgGrantPermissionGroups[$grant]][] = $grant;
+                       } else {
+                               $groups['other'][] = $grant;
+                       }
+               }
+
+               return $groups;
+       }
+
+       /**
+        * Get the list of grants that are hidden and should always be granted
+        * @return string[]
+        */
+       public static function getHiddenGrants() {
+               global $wgGrantPermissionGroups;
+
+               $grants = [];
+               foreach ( $wgGrantPermissionGroups as $grant => $group ) {
+                       if ( $group === 'hidden' ) {
+                               $grants[] = $grant;
+                       }
+               }
+               return $grants;
+       }
+
+       /**
+        * Generate a link to Special:ListGrants for a particular grant name.
+        *
+        * This should be used to link end users to a full description of what
+        * rights they are giving when they authorize a grant.
+        *
+        * @param string $grant the grant name
+        * @param Language|string|null $lang
+        * @return string (proto-relative) HTML link
+        */
+       public static function getGrantsLink( $grant, $lang = null ) {
+               $linkRenderer = MediaWikiServices::getInstance()->getLinkRenderer();
+               return $linkRenderer->makeKnownLink(
+                       \SpecialPage::getTitleFor( 'Listgrants', false, $grant ),
+                       self::grantName( $grant, $lang )
+               );
+       }
+
+       /**
+        * Generate wikitext to display a list of grants
+        * @param string[]|null $grantsFilter If non-null, only display these grants.
+        * @param Language|string|null $lang
+        * @return string Wikitext
+        */
+       public static function getGrantsWikiText( $grantsFilter, $lang = null ) {
+               global $wgContLang;
+
+               if ( is_string( $lang ) ) {
+                       $lang = Language::factory( $lang );
+               } elseif ( $lang === null ) {
+                       $lang = $wgContLang;
+               }
+
+               $s = '';
+               foreach ( self::getGrantGroups( $grantsFilter ) as $group => $grants ) {
+                       if ( $group === 'hidden' ) {
+                               continue; // implicitly granted
+                       }
+                       $s .= "*<span class=\"mw-grantgroup\">" .
+                               wfMessage( "grant-group-$group" )->inLanguage( $lang )->text() . "</span>\n";
+                       $s .= ":" . $lang->semicolonList( self::grantNames( $grants, $lang ) ) . "\n";
+               }
+               return "$s\n";
+       }
+
+}