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<?php
/**
* 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
*
* @file
*/
namespace MediaWiki\User;
use MediaWiki\DAO\WikiAwareEntityTrait;
use Stringable;
use Wikimedia\Assert\Assert;
/**
* Value object representing a user's identity.
*
* @newable
* @since 1.31
* @ingroup User
*/
class UserIdentityValue implements Stringable, UserIdentity {
use WikiAwareEntityTrait;
/**
* @var int
*/
private $id;
/**
* @var string
*/
private $name;
/** @var string|false */
private $wikiId;
/**
* @stable to call
*
* @note Signature in 1.35 was: ( $id, $name, $actor ).
*
* @param int $id user ID
* @param string $name user name
* @param string|false $wikiId wiki ID or self::LOCAL for the local wiki
*/
public function __construct( int $id, string $name, $wikiId = self::LOCAL ) {
$this->assertWikiIdParam( $wikiId );
$this->id = $id;
$this->name = $name;
$this->wikiId = $wikiId;
}
/**
* Create UserIdentity for an anonymous user.
*
* @since 1.36
* @param string $name
* @param string|false $wikiId wiki ID or self::LOCAL for the local wiki
* @return UserIdentityValue
*/
public static function newAnonymous( string $name, $wikiId = self::LOCAL ): self {
return new self( 0, $name, $wikiId );
}
/**
* Create UserIdentity for a registered user.
*
* @since 1.36
* @param int $userId
* @param string $name
* @param string|false $wikiId wiki ID or self::LOCAL for the local wiki
* @return UserIdentityValue
*/
public static function newRegistered( int $userId, string $name, $wikiId = self::LOCAL ): self {
Assert::parameter( $userId > 0, '$userId', 'must be greater than zero (user must exist)' );
return new self( $userId, $name, $wikiId );
}
/**
* Create UserIdentity for an external user with $prefix and $name
*
* @since 1.36
* @param string $prefix
* @param string $name
* @param string|false $wikiId wiki ID or self::LOCAL for the local wiki
* @return UserIdentityValue
*/
public static function newExternal( string $prefix, string $name, $wikiId = self::LOCAL ): self {
// > is a standard separator for external users in the database, see ExternalUserNames
return new self( 0, "$prefix>$name", $wikiId );
}
/**
* Get the ID of the wiki this UserIdentity belongs to.
*
* @since 1.36
* @see RevisionRecord::getWikiId()
*
* @return string|false The wiki's logical name or self::LOCAL to indicate the local wiki
*/
public function getWikiId() {
return $this->wikiId;
}
/**
* The numerical user ID provided to the constructor.
*
* @param string|false $wikiId The wiki ID expected by the caller
* @return int The user ID. May be 0 for anonymous users or for users with no local account.
*
*/
public function getId( $wikiId = self::LOCAL ): int {
$this->assertWiki( $wikiId );
return $this->id;
}
/**
* @return string The user's logical name. May be an IPv4 or IPv6 address for anonymous users.
*/
public function getName(): string {
return $this->name;
}
/**
* @deprecated since 1.36, use ActorNormalization::acquireActorId instead.
*
* @param string|false $wikiId
*
* @return int always 0.
*/
public function getActorId( $wikiId = self::LOCAL ): int {
wfDeprecated( __METHOD__, '1.36' );
return 0;
}
/**
* @since 1.32
*
* @param UserIdentity|null $user
* @return bool
*/
public function equals( ?UserIdentity $user ): bool {
if ( !$user ) {
return false;
}
// XXX it's not clear whether central ID providers are supposed to obey this
return $this->getName() === $user->getName();
}
/**
* @since 1.34
*
* @return bool True if user is registered on this wiki, i.e., has a user ID. False if user is
* anonymous or has no local account (which can happen when importing). This is equivalent to
* getId() != 0 and is provided for code readability.
*/
public function isRegistered(): bool {
return $this->getId( $this->wikiId ) != 0;
}
public function __toString(): string {
return $this->getName();
}
}