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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\Block;
use InvalidArgumentException;
use LogicException;
use MediaWiki\CommentStore\CommentStoreComment;
use MediaWiki\DAO\WikiAwareEntityTrait;
use MediaWiki\MainConfigNames;
use MediaWiki\MediaWikiServices;
use MediaWiki\Message\Message;
use MediaWiki\Title\Title;
use MediaWiki\User\UserIdentity;
/**
* @note Extensions should not subclass this, as MediaWiki currently does not
* support custom block types.
* @since 1.34 Factored out from DatabaseBlock (previously Block).
*/
abstract class AbstractBlock implements Block {
use WikiAwareEntityTrait;
/** @var CommentStoreComment */
protected $reason;
/** @var string */
protected $timestamp = '';
/** @var string */
protected $expiry = '';
/** @var bool */
protected $blockEmail = false;
/** @var bool */
protected $allowUsertalk = false;
/** @var bool */
protected $blockCreateAccount = false;
/** @var bool */
protected $hideName = false;
/** @var bool */
protected $isHardblock;
/** @var BlockTarget|null */
protected $target;
/** @var bool */
protected $isSitewide = true;
/** @var string|false */
protected $wikiId;
/**
* Create a new block with specified parameters on a user, IP or IP range.
*
* @param array $options Parameters of the block, with supported options:
* - target: (BlockTarget) The target object (since 1.44)
* - address: (string|UserIdentity) Target user name, user identity object,
* IP address or IP range.
* - wiki: (string|false) The wiki the block has been issued in,
* self::LOCAL for the local wiki (since 1.38)
* - reason: (string|Message|CommentStoreComment) Reason for the block
* - timestamp: (string) The time at which the block comes into effect,
* in any format supported by wfTimestamp()
* - decodedTimestamp: (string) The timestamp in MW 14-character format
* - hideName: (bool) Hide the target user name
* - anonOnly: (bool) Used if the target is an IP address. The block only
* applies to anon and temporary users using this IP address, and not to
* logged-in users.
*/
public function __construct( array $options = [] ) {
$defaults = [
'wiki' => self::LOCAL,
'reason' => '',
'timestamp' => '',
'hideName' => false,
'anonOnly' => false,
];
$options += $defaults;
$this->wikiId = $options['wiki'];
if ( isset( $options['target'] ) ) {
if ( !( $options['target'] instanceof BlockTarget ) ) {
throw new InvalidArgumentException( 'Invalid block target' );
}
$this->setTarget( $options['target'] );
} elseif ( isset( $options['address'] ) ) {
$this->setTarget( $options['address'] );
} else {
$this->setTarget( null );
}
$this->setReason( $options['reason'] );
if ( isset( $options['decodedTimestamp'] ) ) {
$this->setTimestamp( $options['decodedTimestamp'] );
} else {
$this->setTimestamp( wfTimestamp( TS_MW, $options['timestamp'] ) );
}
$this->setHideName( (bool)$options['hideName'] );
$this->isHardblock( !$options['anonOnly'] );
}
/**
* Get the user id of the blocking sysop
*
* @param string|false $wikiId (since 1.38)
* @return int (0 for foreign users)
*/
abstract public function getBy( $wikiId = self::LOCAL ): int;
/**
* Get the username of the blocking sysop
*
* @return string
*/
abstract public function getByName();
/**
* @inheritDoc
*/
public function getId( $wikiId = self::LOCAL ): ?int {
$this->assertWiki( $wikiId );
return null;
}
/**
* Get the reason for creating the block.
*
* @since 1.35
* @return CommentStoreComment
*/
public function getReasonComment(): CommentStoreComment {
return $this->reason;
}
/**
* Set the reason for creating the block.
*
* @since 1.33
* @param string|Message|CommentStoreComment $reason
*/
public function setReason( $reason ) {
$this->reason = CommentStoreComment::newUnsavedComment( $reason );
}
/**
* Get whether the block hides the target's username
*
* @since 1.33
* @return bool The block hides the username
*/
public function getHideName() {
return $this->hideName;
}
/**
* Set whether the block hides the target's username
*
* @since 1.33
* @param bool $hideName The block hides the username
*/
public function setHideName( $hideName ) {
$this->hideName = $hideName;
}
/**
* Indicates that the block is a sitewide block. This means the user is
* prohibited from editing any page on the site (other than their own talk
* page).
*
* @since 1.33
* @param null|bool $x
* @return bool
*/
public function isSitewide( $x = null ): bool {
return wfSetVar( $this->isSitewide, $x );
}
/**
* Get or set the flag indicating whether this block blocks the target from
* creating an account. (Note that the flag may be overridden depending on
* global configs.)
*
* @since 1.33
* @param null|bool $x Value to set (if null, just get the property value)
* @return bool Value of the property
*/
public function isCreateAccountBlocked( $x = null ): bool {
return wfSetVar( $this->blockCreateAccount, $x );
}
/**
* Get or set the flag indicating whether this block blocks the target from
* sending emails. (Note that the flag may be overridden depending on
* global configs.)
*
* @since 1.33
* @param null|bool $x Value to set (if null, just get the property value)
* @return bool Value of the property
*/
public function isEmailBlocked( $x = null ) {
return wfSetVar( $this->blockEmail, $x );
}
/**
* Get or set the flag indicating whether this block blocks the target from
* editing their own user talk page. (Note that the flag may be overridden
* depending on global configs.)
*
* @since 1.33
* @param null|bool $x Value to set (if null, just get the property value)
* @return bool Value of the property
*/
public function isUsertalkEditAllowed( $x = null ) {
return wfSetVar( $this->allowUsertalk, $x );
}
/**
* Get/set whether the block is a hard block (affects logged-in users on a
* given IP/range).
*
* Note that temporary users are not considered logged-in here - they are
* always blocked by IP-address blocks.
*
* Note that user blocks are always hard blocks, since the target is logged
* in by definition.
*
* @since 1.36 Moved up from DatabaseBlock
* @param bool|null $x
* @return bool
*/
public function isHardblock( $x = null ): bool {
wfSetVar( $this->isHardblock, $x );
return $this->getType() == self::TYPE_USER
? true
: $this->isHardblock;
}
/**
* Determine whether the block prevents a given right. A right may be
* allowed or disallowed by default, or determined from a property on the
* block object. For certain rights, the property may be overridden
* according to global configs.
*
* @since 1.33
* @param string $right
* @return bool|null The block applies to the right, or null if
* unsure (e.g. unrecognized right or unset property)
*/
public function appliesToRight( $right ) {
$blockDisablesLogin = MediaWikiServices::getInstance()->getMainConfig()
->get( MainConfigNames::BlockDisablesLogin );
$res = null;
switch ( $right ) {
case 'autocreateaccount':
case 'createaccount':
$res = $this->isCreateAccountBlocked();
break;
case 'sendemail':
$res = $this->isEmailBlocked();
break;
case 'upload':
// Sitewide blocks always block upload. This may be overridden in a subclass.
$res = $this->isSitewide();
break;
case 'read':
$res = false;
break;
}
if ( !$res && $blockDisablesLogin ) {
// If a block would disable login, then it should
// prevent any right that all users cannot do
$permissionManager = MediaWikiServices::getInstance()->getPermissionManager();
$anon = MediaWikiServices::getInstance()->getUserFactory()->newAnonymous();
$res = $permissionManager->userHasRight( $anon, $right ) ? $res : true;
}
return $res;
}
public function getTarget(): ?BlockTarget {
return $this->target;
}
public function getRedactedTarget(): ?BlockTarget {
$target = $this->getTarget();
if ( $this->getType() === Block::TYPE_AUTO
&& !( $target instanceof AutoBlockTarget )
) {
$id = $this->getId( $this->wikiId );
if ( $id === null ) {
throw new LogicException( 'no ID available for autoblock redaction' );
}
$target = new AutoBlockTarget( $id, $this->wikiId );
}
return $target;
}
/**
* Get the type of target for this particular block.
* @return int|null AbstractBlock::TYPE_ constant
*/
public function getType(): ?int {
return $this->target ? $this->target->getType() : null;
}
/**
* @since 1.37
* @return ?UserIdentity
*/
public function getTargetUserIdentity(): ?UserIdentity {
return $this->target instanceof BlockTargetWithUserIdentity
? $this->target->getUserIdentity() : null;
}
/**
* @since 1.37
* @return string
*/
public function getTargetName(): string {
return (string)$this->target;
}
/**
* @param BlockTarget|UserIdentity|string $target
*
* @return bool
* @since 1.37
*/
public function isBlocking( $target ): bool {
$targetName = $target instanceof UserIdentity
? $target->getName()
: (string)$target;
return $targetName === $this->getTargetName();
}
/**
* Get the block expiry time
*
* @since 1.19
* @return string
*/
public function getExpiry(): string {
return $this->expiry;
}
/** @inheritDoc */
public function isIndefinite(): bool {
return wfIsInfinity( $this->getExpiry() );
}
/**
* Set the block expiry time
*
* @since 1.33
* @param string $expiry
*/
public function setExpiry( $expiry ) {
// Force string so getExpiry() return typehint doesn't break things
$this->expiry = (string)$expiry;
}
/**
* Get the timestamp indicating when the block was created
*
* @since 1.33
* @return string
*/
public function getTimestamp(): string {
return $this->timestamp;
}
/**
* Set the timestamp indicating when the block was created
*
* @since 1.33
* @param string $timestamp
*/
public function setTimestamp( $timestamp ) {
// Force string so getTimestamp() return typehint doesn't break things
$this->timestamp = (string)$timestamp;
}
/**
* Set the target for this block
* @param BlockTarget|string|UserIdentity|null $target
*/
public function setTarget( $target ) {
// Small optimization to make this code testable, this is what would happen anyway
if ( $target === '' || $target === null ) {
$this->target = null;
} elseif ( $target instanceof BlockTarget ) {
$this->assertWiki( $target->getWikiId() );
$this->target = $target;
} else {
$parsedTarget = MediaWikiServices::getInstance()
->getCrossWikiBlockTargetFactory()
->getFactory( $this->wikiId )
->newFromLegacyUnion( $target );
$this->assertWiki( $parsedTarget->getWikiId() );
$this->target = $parsedTarget;
}
}
/**
* @since 1.38
* @return string|false
*/
public function getWikiId() {
return $this->wikiId;
}
/**
* Determine whether the block allows the user to edit their own
* user talk page. This is done separately from
* AbstractBlock::appliesToRight because there is no right for
* editing one's own user talk page and because the user's talk
* page needs to be passed into the block object, which is unaware
* of the user.
*
* The bl_allow_usertalk flag (which corresponds to the property
* allowUsertalk) is used on sitewide blocks and partial blocks
* that contain a namespace restriction on the user talk namespace,
* but do not contain a page restriction on the user's talk page.
* For all other (i.e. most) partial blocks, the flag is ignored,
* and the user can always edit their user talk page unless there
* is a page restriction on their user talk page, in which case
* they can never edit it. (Ideally the flag would be stored as
* null in these cases, but the database field isn't nullable.)
*
* This method does not validate that the passed in talk page belongs to the
* block target since the target (an IP) might not be the same as the user's
* talk page (if they are logged in).
*
* @since 1.33
* @param Title|null $usertalk The user's user talk page. If null,
* and if the target is a User, the target's userpage is used
* @return bool The user can edit their talk page
*/
public function appliesToUsertalk( ?Title $usertalk = null ) {
if ( !$usertalk ) {
if ( $this->target instanceof BlockTargetWithUserPage ) {
$usertalk = Title::makeTitle(
NS_USER_TALK,
$this->target->getUserPage()->getDBkey()
);
} else {
throw new InvalidArgumentException(
'$usertalk must be provided if block target is not a user/IP'
);
}
}
if ( $usertalk->getNamespace() !== NS_USER_TALK ) {
throw new InvalidArgumentException(
'$usertalk must be a user talk page'
);
}
if ( !$this->isSitewide() ) {
if ( $this->appliesToPage( $usertalk->getArticleID() ) ) {
return true;
}
if ( !$this->appliesToNamespace( NS_USER_TALK ) ) {
return false;
}
}
// This is a type of block which uses the bl_allow_usertalk
// flag. The flag can still be overridden by global configs.
if ( !MediaWikiServices::getInstance()->getMainConfig()
->get( MainConfigNames::BlockAllowsUTEdit )
) {
return true;
}
return !$this->isUsertalkEditAllowed();
}
/**
* Checks if a block applies to a particular title
*
* This check does not consider whether `$this->isUsertalkEditAllowed`
* returns false, as the identity of the user making the hypothetical edit
* isn't known here (particularly in the case of IP hard blocks, range
* blocks, and auto-blocks).
*
* @param Title $title
* @return bool
*/
public function appliesToTitle( Title $title ) {
return $this->isSitewide();
}
/**
* Checks if a block applies to a particular namespace
*
* @since 1.33
*
* @param int $ns
* @return bool
*/
public function appliesToNamespace( $ns ) {
return $this->isSitewide();
}
/**
* Checks if a block applies to a particular page
*
* This check does not consider whether `$this->isUsertalkEditAllowed`
* returns false, as the identity of the user making the hypothetical edit
* isn't known here (particularly in the case of IP hard blocks, range
* blocks, and auto-blocks).
*
* @since 1.33
*
* @param int $pageId
* @return bool
*/
public function appliesToPage( $pageId ) {
return $this->isSitewide();
}
/**
* Check if the block prevents a user from resetting their password
*
* @since 1.33
* @return bool The block blocks password reset
*/
public function appliesToPasswordReset() {
return $this->isCreateAccountBlocked();
}
/**
* @return AbstractBlock[]
*/
public function toArray(): array {
return [ $this ];
}
}