Merge "Fix NS_CATEGORY/NS_CATEGORY_TALK for MessagesExt.php in core"
[lhc/web/wiklou.git] / includes / user / User.php
index fed64c2..d0a2f92 100644 (file)
@@ -66,7 +66,7 @@ class User implements IDBAccessObject {
        /**
         * @const int Serialized record version.
         */
-       const VERSION = 10;
+       const VERSION = 11;
 
        /**
         * Exclude user options that are set to their default value.
@@ -104,7 +104,7 @@ class User implements IDBAccessObject {
                'mRegistration',
                'mEditCount',
                // user_groups table
-               'mGroups',
+               'mGroupMemberships',
                // user_properties table
                'mOptionOverrides',
        ];
@@ -225,8 +225,13 @@ class User implements IDBAccessObject {
        protected $mRegistration;
        /** @var int */
        protected $mEditCount;
-       /** @var array */
-       public $mGroups;
+       /**
+        * @var array No longer used since 1.29; use User::getGroups() instead
+        * @deprecated since 1.29
+        */
+       private $mGroups;
+       /** @var array Associative array of (group name => UserGroupMembership object) */
+       protected $mGroupMemberships;
        /** @var array */
        protected $mOptionOverrides;
        // @}
@@ -283,9 +288,7 @@ class User implements IDBAccessObject {
        /** @var array */
        public $mOptions;
 
-       /**
-        * @var WebRequest
-        */
+       /** @var WebRequest */
        private $mRequest;
 
        /** @var Block */
@@ -468,6 +471,17 @@ class User implements IDBAccessObject {
                return $cache->makeGlobalKey( 'user', 'id', wfWikiID(), $this->mId );
        }
 
+       /**
+        * @param WANObjectCache $cache
+        * @return string[]
+        * @since 1.28
+        */
+       public function getMutableCacheKeys( WANObjectCache $cache ) {
+               $id = $this->getId();
+
+               return $id ? [ $this->getCacheKey( $cache ) ] : [];
+       }
+
        /**
         * Load user data from shared cache, given mId has already been set.
         *
@@ -1138,7 +1152,7 @@ class User implements IDBAccessObject {
                $this->mEmailToken = '';
                $this->mEmailTokenExpires = null;
                $this->mRegistration = wfTimestamp( TS_MW );
-               $this->mGroups = [];
+               $this->mGroupMemberships = [];
 
                Hooks::run( 'UserLoadDefaults', [ $this, $name ] );
        }
@@ -1250,7 +1264,7 @@ class User implements IDBAccessObject {
                if ( $s !== false ) {
                        // Initialise user table data
                        $this->loadFromRow( $s );
-                       $this->mGroups = null; // deferred
+                       $this->mGroupMemberships = null; // deferred
                        $this->getEditCount(); // revalidation for nulls
                        return true;
                } else {
@@ -1267,13 +1281,16 @@ class User implements IDBAccessObject {
         * @param stdClass $row Row from the user table to load.
         * @param array $data Further user data to load into the object
         *
-        *      user_groups             Array with groups out of the user_groups table
-        *      user_properties         Array with properties out of the user_properties table
+        *  user_groups   Array of arrays or stdClass result rows out of the user_groups
+        *                table. Previously you were supposed to pass an array of strings
+        *                here, but we also need expiry info nowadays, so an array of
+        *                strings is ignored.
+        *  user_properties   Array with properties out of the user_properties table
         */
        protected function loadFromRow( $row, $data = null ) {
                $all = true;
 
-               $this->mGroups = null; // deferred
+               $this->mGroupMemberships = null; // deferred
 
                if ( isset( $row->user_name ) ) {
                        $this->mName = $row->user_name;
@@ -1342,7 +1359,18 @@ class User implements IDBAccessObject {
 
                if ( is_array( $data ) ) {
                        if ( isset( $data['user_groups'] ) && is_array( $data['user_groups'] ) ) {
-                               $this->mGroups = $data['user_groups'];
+                               if ( !count( $data['user_groups'] ) ) {
+                                       $this->mGroupMemberships = [];
+                               } else {
+                                       $firstGroup = reset( $data['user_groups'] );
+                                       if ( is_array( $firstGroup ) || is_object( $firstGroup ) ) {
+                                               $this->mGroupMemberships = [];
+                                               foreach ( $data['user_groups'] as $row ) {
+                                                       $ugm = UserGroupMembership::newFromRow( (object)$row );
+                                                       $this->mGroupMemberships[$ugm->getGroup()] = $ugm;
+                                               }
+                                       }
+                               }
                        }
                        if ( isset( $data['user_properties'] ) && is_array( $data['user_properties'] ) ) {
                                $this->loadOptions( $data['user_properties'] );
@@ -1366,18 +1394,12 @@ class User implements IDBAccessObject {
         * Load the groups from the database if they aren't already loaded.
         */
        private function loadGroups() {
-               if ( is_null( $this->mGroups ) ) {
+               if ( is_null( $this->mGroupMemberships ) ) {
                        $db = ( $this->queryFlagsUsed & self::READ_LATEST )
                                ? wfGetDB( DB_MASTER )
                                : wfGetDB( DB_REPLICA );
-                       $res = $db->select( 'user_groups',
-                               [ 'ug_group' ],
-                               [ 'ug_user' => $this->mId ],
-                               __METHOD__ );
-                       $this->mGroups = [];
-                       foreach ( $res as $row ) {
-                               $this->mGroups[] = $row->ug_group;
-                       }
+                       $this->mGroupMemberships = UserGroupMembership::getMembershipsForUser(
+                               $this->mId, $db );
                }
        }
 
@@ -1509,7 +1531,7 @@ class User implements IDBAccessObject {
                $this->mRights = null;
                $this->mEffectiveGroups = null;
                $this->mImplicitGroups = null;
-               $this->mGroups = null;
+               $this->mGroupMemberships = null;
                $this->mOptions = null;
                $this->mOptionsLoaded = false;
                $this->mEditCount = null;
@@ -1615,29 +1637,9 @@ class User implements IDBAccessObject {
                // User/IP blocking
                $block = Block::newFromTarget( $this, $ip, !$bFromSlave );
 
-               // If no block has been found, check for a cookie indicating that the user is blocked.
-               $blockCookieVal = (int)$this->getRequest()->getCookie( 'BlockID' );
-               if ( !$block instanceof Block && $blockCookieVal > 0 ) {
-                       // Load the Block from the ID in the cookie.
-                       $tmpBlock = Block::newFromID( $blockCookieVal );
-                       if ( $tmpBlock instanceof Block ) {
-                               // Check the validity of the block.
-                               $blockIsValid = $tmpBlock->getType() == Block::TYPE_USER
-                                       && !$tmpBlock->isExpired()
-                                       && $tmpBlock->isAutoblocking();
-                               $config = RequestContext::getMain()->getConfig();
-                               $useBlockCookie = ( $config->get( 'CookieSetOnAutoblock' ) === true );
-                               if ( $blockIsValid && $useBlockCookie ) {
-                                       // Use the block.
-                                       $block = $tmpBlock;
-                                       $this->blockTrigger = 'cookie-block';
-                               } else {
-                                       // If the block is not valid, clear the block cookie (but don't delete it,
-                                       // because it needs to be cleared from LocalStorage as well and an empty string
-                                       // value is checked for in the mediawiki.user.blockcookie module).
-                                       $tmpBlock->setCookie( $this->getRequest()->response(), true );
-                               }
-                       }
+               // Cookie blocking
+               if ( !$block instanceof Block ) {
+                       $block = $this->getBlockFromCookieValue( $this->getRequest()->getCookie( 'BlockID' ) );
                }
 
                // Proxy blocking
@@ -1716,6 +1718,43 @@ class User implements IDBAccessObject {
                Hooks::run( 'GetBlockedStatus', [ &$user ] );
        }
 
+       /**
+        * Try to load a Block from an ID given in a cookie value.
+        * @param string|null $blockCookieVal The cookie value to check.
+        * @return Block|bool The Block object, or false if none could be loaded.
+        */
+       protected function getBlockFromCookieValue( $blockCookieVal ) {
+               // Make sure there's something to check. The cookie value must start with a number.
+               if ( strlen( $blockCookieVal ) < 1 || !is_numeric( substr( $blockCookieVal, 0, 1 ) ) ) {
+                       return false;
+               }
+               // Load the Block from the ID in the cookie.
+               $blockCookieId = Block::getIdFromCookieValue( $blockCookieVal );
+               if ( $blockCookieId !== null ) {
+                       // An ID was found in the cookie.
+                       $tmpBlock = Block::newFromID( $blockCookieId );
+                       if ( $tmpBlock instanceof Block ) {
+                               // Check the validity of the block.
+                               $blockIsValid = $tmpBlock->getType() == Block::TYPE_USER
+                                       && !$tmpBlock->isExpired()
+                                       && $tmpBlock->isAutoblocking();
+                               $config = RequestContext::getMain()->getConfig();
+                               $useBlockCookie = ( $config->get( 'CookieSetOnAutoblock' ) === true );
+                               if ( $blockIsValid && $useBlockCookie ) {
+                                       // Use the block.
+                                       $this->blockTrigger = 'cookie-block';
+                                       return $tmpBlock;
+                               } else {
+                                       // If the block is not valid, clear the block cookie (but don't delete it,
+                                       // because it needs to be cleared from LocalStorage as well and an empty string
+                                       // value is checked for in the mediawiki.user.blockcookie module).
+                                       $tmpBlock->setCookie( $this->getRequest()->response(), true );
+                               }
+                       }
+               }
+               return false;
+       }
+
        /**
         * Whether the given IP is in a DNS blacklist.
         *
@@ -3222,7 +3261,20 @@ class User implements IDBAccessObject {
        public function getGroups() {
                $this->load();
                $this->loadGroups();
-               return $this->mGroups;
+               return array_keys( $this->mGroupMemberships );
+       }
+
+       /**
+        * Get the list of explicit group memberships this user has, stored as
+        * UserGroupMembership objects. Implicit groups are not included.
+        *
+        * @return array Associative array of (group name as string => UserGroupMembership object)
+        * @since 1.29
+        */
+       public function getGroupMemberships() {
+               $this->load();
+               $this->loadGroups();
+               return $this->mGroupMemberships;
        }
 
        /**
@@ -3333,34 +3385,35 @@ class User implements IDBAccessObject {
        }
 
        /**
-        * Add the user to the given group.
-        * This takes immediate effect.
+        * Add the user to the given group. This takes immediate effect.
+        * If the user is already in the group, the expiry time will be updated to the new
+        * expiry time. (If $expiry is omitted or null, the membership will be altered to
+        * never expire.)
+        *
         * @param string $group Name of the group to add
+        * @param string $expiry Optional expiry timestamp in any format acceptable to
+        *   wfTimestamp(), or null if the group assignment should not expire
         * @return bool
         */
-       public function addGroup( $group ) {
+       public function addGroup( $group, $expiry = null ) {
                $this->load();
+               $this->loadGroups();
+
+               if ( $expiry ) {
+                       $expiry = wfTimestamp( TS_MW, $expiry );
+               }
 
-               if ( !Hooks::run( 'UserAddGroup', [ $this, &$group ] ) ) {
+               if ( !Hooks::run( 'UserAddGroup', [ $this, &$group, &$expiry ] ) ) {
                        return false;
                }
 
-               $dbw = wfGetDB( DB_MASTER );
-               if ( $this->getId() ) {
-                       $dbw->insert( 'user_groups',
-                               [
-                                       'ug_user' => $this->getId(),
-                                       'ug_group' => $group,
-                               ],
-                               __METHOD__,
-                               [ 'IGNORE' ] );
+               // create the new UserGroupMembership and put it in the DB
+               $ugm = new UserGroupMembership( $this->mId, $group, $expiry );
+               if ( !$ugm->insert( true ) ) {
+                       return false;
                }
 
-               $this->loadGroups();
-               $this->mGroups[] = $group;
-               // In case loadGroups was not called before, we now have the right twice.
-               // Get rid of the duplicate.
-               $this->mGroups = array_unique( $this->mGroups );
+               $this->mGroupMemberships[$group] = $ugm;
 
                // Refresh the groups caches, and clear the rights cache so it will be
                // refreshed on the next call to $this->getRights().
@@ -3380,29 +3433,19 @@ class User implements IDBAccessObject {
         */
        public function removeGroup( $group ) {
                $this->load();
+
                if ( !Hooks::run( 'UserRemoveGroup', [ $this, &$group ] ) ) {
                        return false;
                }
 
-               $dbw = wfGetDB( DB_MASTER );
-               $dbw->delete( 'user_groups',
-                       [
-                               'ug_user' => $this->getId(),
-                               'ug_group' => $group,
-                       ], __METHOD__
-               );
-               // Remember that the user was in this group
-               $dbw->insert( 'user_former_groups',
-                       [
-                               'ufg_user' => $this->getId(),
-                               'ufg_group' => $group,
-                       ],
-                       __METHOD__,
-                       [ 'IGNORE' ]
-               );
+               $ugm = UserGroupMembership::getMembership( $this->mId, $group );
+               // delete the membership entry
+               if ( !$ugm || !$ugm->delete() ) {
+                       return false;
+               }
 
                $this->loadGroups();
-               $this->mGroups = array_diff( $this->mGroups, [ $group ] );
+               unset( $this->mGroupMemberships[$group] );
 
                // Refresh the groups caches, and clear the rights cache so it will be
                // refreshed on the next call to $this->getRights().
@@ -4736,25 +4779,27 @@ class User implements IDBAccessObject {
 
        /**
         * Get the localized descriptive name for a group, if it exists
+        * @deprecated since 1.29 Use UserGroupMembership::getGroupName instead
         *
         * @param string $group Internal group name
         * @return string Localized descriptive group name
         */
        public static function getGroupName( $group ) {
-               $msg = wfMessage( "group-$group" );
-               return $msg->isBlank() ? $group : $msg->text();
+               wfDeprecated( __METHOD__, '1.29' );
+               return UserGroupMembership::getGroupName( $group );
        }
 
        /**
         * Get the localized descriptive name for a member of a group, if it exists
+        * @deprecated since 1.29 Use UserGroupMembership::getGroupMemberName instead
         *
         * @param string $group Internal group name
         * @param string $username Username for gender (since 1.19)
         * @return string Localized name for group member
         */
        public static function getGroupMember( $group, $username = '#' ) {
-               $msg = wfMessage( "group-$group-member", $username );
-               return $msg->isBlank() ? $group : $msg->text();
+               wfDeprecated( __METHOD__, '1.29' );
+               return UserGroupMembership::getGroupMemberName( $group, $username );
        }
 
        /**
@@ -4804,34 +4849,33 @@ class User implements IDBAccessObject {
 
        /**
         * Get the title of a page describing a particular group
+        * @deprecated since 1.29 Use UserGroupMembership::getGroupPage instead
         *
         * @param string $group Internal group name
         * @return Title|bool Title of the page if it exists, false otherwise
         */
        public static function getGroupPage( $group ) {
-               $msg = wfMessage( 'grouppage-' . $group )->inContentLanguage();
-               if ( $msg->exists() ) {
-                       $title = Title::newFromText( $msg->text() );
-                       if ( is_object( $title ) ) {
-                               return $title;
-                       }
-               }
-               return false;
+               wfDeprecated( __METHOD__, '1.29' );
+               return UserGroupMembership::getGroupPage( $group );
        }
 
        /**
         * Create a link to the group in HTML, if available;
         * else return the group name.
+        * @deprecated since 1.29 Use UserGroupMembership::getLink instead, or
+        * make the link yourself if you need custom text
         *
         * @param string $group Internal name of the group
         * @param string $text The text of the link
         * @return string HTML link to the group
         */
        public static function makeGroupLinkHTML( $group, $text = '' ) {
+               wfDeprecated( __METHOD__, '1.29' );
+
                if ( $text == '' ) {
-                       $text = self::getGroupName( $group );
+                       $text = UserGroupMembership::getGroupName( $group );
                }
-               $title = self::getGroupPage( $group );
+               $title = UserGroupMembership::getGroupPage( $group );
                if ( $title ) {
                        return Linker::link( $title, htmlspecialchars( $text ) );
                } else {
@@ -4842,16 +4886,20 @@ class User implements IDBAccessObject {
        /**
         * Create a link to the group in Wikitext, if available;
         * else return the group name.
+        * @deprecated since 1.29 Use UserGroupMembership::getLink instead, or
+        * make the link yourself if you need custom text
         *
         * @param string $group Internal name of the group
         * @param string $text The text of the link
         * @return string Wikilink to the group
         */
        public static function makeGroupLinkWiki( $group, $text = '' ) {
+               wfDeprecated( __METHOD__, '1.29' );
+
                if ( $text == '' ) {
-                       $text = self::getGroupName( $group );
+                       $text = UserGroupMembership::getGroupName( $group );
                }
-               $title = self::getGroupPage( $group );
+               $title = UserGroupMembership::getGroupPage( $group );
                if ( $title ) {
                        $page = $title->getFullText();
                        return "[[$page|$text]]";
@@ -5091,54 +5139,6 @@ class User implements IDBAccessObject {
                return $msg->isDisabled() ? $grant : $msg->text();
        }
 
-       /**
-        * Make a new-style password hash
-        *
-        * @param string $password Plain-text password
-        * @param bool|string $salt Optional salt, may be random or the user ID.
-        *  If unspecified or false, will generate one automatically
-        * @return string Password hash
-        * @deprecated since 1.24, use Password class
-        */
-       public static function crypt( $password, $salt = false ) {
-               wfDeprecated( __METHOD__, '1.24' );
-               $passwordFactory = new PasswordFactory();
-               $passwordFactory->init( RequestContext::getMain()->getConfig() );
-               $hash = $passwordFactory->newFromPlaintext( $password );
-               return $hash->toString();
-       }
-
-       /**
-        * Compare a password hash with a plain-text password. Requires the user
-        * ID if there's a chance that the hash is an old-style hash.
-        *
-        * @param string $hash Password hash
-        * @param string $password Plain-text password to compare
-        * @param string|bool $userId User ID for old-style password salt
-        *
-        * @return bool
-        * @deprecated since 1.24, use Password class
-        */
-       public static function comparePasswords( $hash, $password, $userId = false ) {
-               wfDeprecated( __METHOD__, '1.24' );
-
-               // Check for *really* old password hashes that don't even have a type
-               // The old hash format was just an md5 hex hash, with no type information
-               if ( preg_match( '/^[0-9a-f]{32}$/', $hash ) ) {
-                       global $wgPasswordSalt;
-                       if ( $wgPasswordSalt ) {
-                               $password = ":B:{$userId}:{$hash}";
-                       } else {
-                               $password = ":A:{$hash}";
-                       }
-               }
-
-               $passwordFactory = new PasswordFactory();
-               $passwordFactory->init( RequestContext::getMain()->getConfig() );
-               $hash = $passwordFactory->newFromCiphertext( $hash );
-               return $hash->equals( $password );
-       }
-
        /**
         * Add a newuser log entry for this user.
         * Before 1.19 the return value was always true.
@@ -5411,10 +5411,10 @@ class User implements IDBAccessObject {
        static function newFatalPermissionDeniedStatus( $permission ) {
                global $wgLang;
 
-               $groups = array_map(
-                       [ 'User', 'makeGroupLinkWiki' ],
-                       User::getGroupsWithPermission( $permission )
-               );
+               $groups = [];
+               foreach ( User::getGroupsWithPermission( $permission ) as $group ) {
+                       $groups[] = UserGroupMembership::getLink( $group, RequestContext::getMain(), 'wiki' );
+               }
 
                if ( $groups ) {
                        return Status::newFatal( 'badaccess-groups', $wgLang->commaList( $groups ), count( $groups ) );