3 * Implements Special:Block
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
21 * @ingroup SpecialPage
25 * A special page that allows users with 'block' right to block users from
26 * editing pages and other actions
28 * @ingroup SpecialPage
30 class SpecialBlock
extends FormSpecialPage
{
31 /** @var User User to be blocked, as passed either by parameter (url?wpTarget=Foo)
32 * or as subpage (Special:Block/Foo) */
35 /** @var int Block::TYPE_ constant */
38 /** @var User|string The previous block target */
39 protected $previousTarget;
41 /** @var bool Whether the previous submission of the form asked for HideUser */
42 protected $requestedHideUser;
45 protected $alreadyBlocked;
48 protected $preErrors = array();
50 public function __construct() {
51 parent
::__construct( 'Block', 'block' );
55 * Checks that the user can unblock themselves if they are trying to do so
58 * @throws ErrorPageError
60 protected function checkExecutePermissions( User
$user ) {
61 parent
::checkExecutePermissions( $user );
63 # bug 15810: blocked admins should have limited access here
64 $status = self
::checkUnblockSelf( $this->target
, $user );
65 if ( $status !== true ) {
66 throw new ErrorPageError( 'badaccess', $status );
71 * Handle some magic here
75 protected function setParameter( $par ) {
76 # Extract variables from the request. Try not to get into a situation where we
77 # need to extract *every* variable from the form just for processing here, but
78 # there are legitimate uses for some variables
79 $request = $this->getRequest();
80 list( $this->target
, $this->type
) = self
::getTargetAndType( $par, $request );
81 if ( $this->target
instanceof User
) {
82 # Set the 'relevant user' in the skin, so it displays links like Contributions,
83 # User logs, UserRights, etc.
84 $this->getSkin()->setRelevantUser( $this->target
);
87 list( $this->previousTarget
, /*...*/ ) =
88 Block
::parseTarget( $request->getVal( 'wpPreviousTarget' ) );
89 $this->requestedHideUser
= $request->getBool( 'wpHideUser' );
93 * Customizes the HTMLForm a bit
95 * @param HTMLForm $form
97 protected function alterForm( HTMLForm
$form ) {
98 $form->setWrapperLegendMsg( 'blockip-legend' );
99 $form->setHeaderText( '' );
100 $form->setSubmitDestructive();
102 $msg = $this->alreadyBlocked ?
'ipb-change-block' : 'ipbsubmit';
103 $form->setSubmitTextMsg( $msg );
105 $this->addHelpLink( 'Help:Blocking users' );
107 # Don't need to do anything if the form has been posted
108 if ( !$this->getRequest()->wasPosted() && $this->preErrors
) {
109 $s = $form->formatErrors( $this->preErrors
);
111 $form->addHeaderText( Html
::rawElement(
113 array( 'class' => 'error' ),
121 * Get the HTMLForm descriptor array for the block form
124 protected function getFormFields() {
125 global $wgBlockAllowsUTEdit;
127 $user = $this->getUser();
129 $suggestedDurations = self
::getSuggestedDurations();
134 'label-message' => 'ipaddressorusername',
135 'id' => 'mw-bi-target',
139 'validation-callback' => array( __CLASS__
, 'validateTargetField' ),
140 'cssclass' => 'mw-autocomplete-user', // used by mediawiki.userSuggest
143 'type' => !count( $suggestedDurations ) ?
'text' : 'selectorother',
144 'label-message' => 'ipbexpiry',
146 'options' => $suggestedDurations,
147 'other' => $this->msg( 'ipbother' )->text(),
148 'default' => $this->msg( 'ipb-default-expiry' )->inContentLanguage()->text(),
151 'type' => 'selectandother',
153 'label-message' => 'ipbreason',
154 'options-message' => 'ipbreason-dropdown',
156 'CreateAccount' => array(
158 'label-message' => 'ipbcreateaccount',
163 if ( self
::canBlockEmail( $user ) ) {
164 $a['DisableEmail'] = array(
166 'label-message' => 'ipbemailban',
170 if ( $wgBlockAllowsUTEdit ) {
171 $a['DisableUTEdit'] = array(
173 'label-message' => 'ipb-disableusertalk',
178 $a['AutoBlock'] = array(
180 'label-message' => 'ipbenableautoblock',
184 # Allow some users to hide name from block log, blocklist and listusers
185 if ( $user->isAllowed( 'hideuser' ) ) {
186 $a['HideUser'] = array(
188 'label-message' => 'ipbhidename',
189 'cssclass' => 'mw-block-hideuser',
193 # Watchlist their user page? (Only if user is logged in)
194 if ( $user->isLoggedIn() ) {
197 'label-message' => 'ipbwatchuser',
201 $a['HardBlock'] = array(
203 'label-message' => 'ipb-hardblock',
207 # This is basically a copy of the Target field, but the user can't change it, so we
208 # can see if the warnings we maybe showed to the user before still apply
209 $a['PreviousTarget'] = array(
214 # We'll turn this into a checkbox if we need to
215 $a['Confirm'] = array(
218 'label-message' => 'ipb-confirm',
221 $this->maybeAlterFormDefaults( $a );
223 // Allow extensions to add more fields
224 Hooks
::run( 'SpecialBlockModifyFormFields', array( $this, &$a ) );
230 * If the user has already been blocked with similar settings, load that block
231 * and change the defaults for the form fields to match the existing settings.
232 * @param array $fields HTMLForm descriptor array
233 * @return bool Whether fields were altered (that is, whether the target is
236 protected function maybeAlterFormDefaults( &$fields ) {
237 # This will be overwritten by request data
238 $fields['Target']['default'] = (string)$this->target
;
240 if ( $this->target
) {
241 $status = self
::validateTarget( $this->target
, $this->getUser() );
242 if ( !$status->isOK() ) {
243 $errors = $status->getErrorsArray();
244 $this->preErrors
= array_merge( $this->preErrors
, $errors );
249 $fields['PreviousTarget']['default'] = (string)$this->target
;
251 $block = Block
::newFromTarget( $this->target
);
253 if ( $block instanceof Block
&& !$block->mAuto
# The block exists and isn't an autoblock
254 && ( $this->type
!= Block
::TYPE_RANGE
# The block isn't a rangeblock
255 ||
$block->getTarget() == $this->target
) # or if it is, the range is what we're about to block
257 $fields['HardBlock']['default'] = $block->isHardblock();
258 $fields['CreateAccount']['default'] = $block->prevents( 'createaccount' );
259 $fields['AutoBlock']['default'] = $block->isAutoblocking();
261 if ( isset( $fields['DisableEmail'] ) ) {
262 $fields['DisableEmail']['default'] = $block->prevents( 'sendemail' );
265 if ( isset( $fields['HideUser'] ) ) {
266 $fields['HideUser']['default'] = $block->mHideName
;
269 if ( isset( $fields['DisableUTEdit'] ) ) {
270 $fields['DisableUTEdit']['default'] = $block->prevents( 'editownusertalk' );
273 // If the username was hidden (ipb_deleted == 1), don't show the reason
274 // unless this user also has rights to hideuser: Bug 35839
275 if ( !$block->mHideName ||
$this->getUser()->isAllowed( 'hideuser' ) ) {
276 $fields['Reason']['default'] = $block->mReason
;
278 $fields['Reason']['default'] = '';
281 if ( $this->getRequest()->wasPosted() ) {
282 # Ok, so we got a POST submission asking us to reblock a user. So show the
283 # confirm checkbox; the user will only see it if they haven't previously
284 $fields['Confirm']['type'] = 'check';
286 # We got a target, but it wasn't a POST request, so the user must have gone
287 # to a link like [[Special:Block/User]]. We don't need to show the checkbox
288 # as long as they go ahead and block *that* user
289 $fields['Confirm']['default'] = 1;
292 if ( $block->mExpiry
== 'infinity' ) {
293 $fields['Expiry']['default'] = 'infinite';
295 $fields['Expiry']['default'] = wfTimestamp( TS_RFC2822
, $block->mExpiry
);
298 $this->alreadyBlocked
= true;
299 $this->preErrors
[] = array( 'ipb-needreblock', wfEscapeWikiText( (string)$block->getTarget() ) );
302 # We always need confirmation to do HideUser
303 if ( $this->requestedHideUser
) {
304 $fields['Confirm']['type'] = 'check';
305 unset( $fields['Confirm']['default'] );
306 $this->preErrors
[] = array( 'ipb-confirmhideuser', 'ipb-confirmaction' );
309 # Or if the user is trying to block themselves
310 if ( (string)$this->target
=== $this->getUser()->getName() ) {
311 $fields['Confirm']['type'] = 'check';
312 unset( $fields['Confirm']['default'] );
313 $this->preErrors
[] = array( 'ipb-blockingself', 'ipb-confirmaction' );
318 * Add header elements like block log entries, etc.
321 protected function preText() {
322 $this->getOutput()->addModules( array( 'mediawiki.special.block', 'mediawiki.userSuggest' ) );
324 $blockCIDRLimit = $this->getConfig()->get( 'BlockCIDRLimit' );
325 $text = $this->msg( 'blockiptext', $blockCIDRLimit['IPv4'], $blockCIDRLimit['IPv6'] )->parse();
327 $otherBlockMessages = array();
328 if ( $this->target
!== null ) {
329 # Get other blocks, i.e. from GlobalBlocking or TorBlock extension
330 Hooks
::run( 'OtherBlockLogLink', array( &$otherBlockMessages, $this->target
) );
332 if ( count( $otherBlockMessages ) ) {
333 $s = Html
::rawElement(
336 $this->msg( 'ipb-otherblocks-header', count( $otherBlockMessages ) )->parse()
341 foreach ( $otherBlockMessages as $link ) {
342 $list .= Html
::rawElement( 'li', array(), $link ) . "\n";
345 $s .= Html
::rawElement(
347 array( 'class' => 'mw-blockip-alreadyblocked' ),
359 * Add footer elements to the form
362 protected function postText() {
365 $this->getOutput()->addModuleStyles( 'mediawiki.special' );
367 # Link to the user's contributions, if applicable
368 if ( $this->target
instanceof User
) {
369 $contribsPage = SpecialPage
::getTitleFor( 'Contributions', $this->target
->getName() );
370 $links[] = Linker
::link(
372 $this->msg( 'ipb-blocklist-contribs', $this->target
->getName() )->escaped()
376 # Link to unblock the specified user, or to a blank unblock form
377 if ( $this->target
instanceof User
) {
378 $message = $this->msg(
380 wfEscapeWikiText( $this->target
->getName() )
382 $list = SpecialPage
::getTitleFor( 'Unblock', $this->target
->getName() );
384 $message = $this->msg( 'ipb-unblock' )->parse();
385 $list = SpecialPage
::getTitleFor( 'Unblock' );
387 $links[] = Linker
::linkKnown( $list, $message, array() );
389 # Link to the block list
390 $links[] = Linker
::linkKnown(
391 SpecialPage
::getTitleFor( 'BlockList' ),
392 $this->msg( 'ipb-blocklist' )->escaped()
395 $user = $this->getUser();
397 # Link to edit the block dropdown reasons, if applicable
398 if ( $user->isAllowed( 'editinterface' ) ) {
399 $links[] = Linker
::linkKnown(
400 $this->msg( 'ipbreason-dropdown' )->inContentLanguage()->getTitle(),
401 $this->msg( 'ipb-edit-dropdown' )->escaped(),
403 array( 'action' => 'edit' )
407 $text = Html
::rawElement(
409 array( 'class' => 'mw-ipb-conveniencelinks' ),
410 $this->getLanguage()->pipeList( $links )
413 $userTitle = self
::getTargetUserTitle( $this->target
);
415 # Get relevant extracts from the block and suppression logs, if possible
418 LogEventsList
::showLogExtract(
425 'msgKey' => array( 'blocklog-showlog', $userTitle->getText() ),
426 'showIfEmpty' => false
431 # Add suppression block entries if allowed
432 if ( $user->isAllowed( 'suppressionlog' ) ) {
433 LogEventsList
::showLogExtract(
440 'conds' => array( 'log_action' => array( 'block', 'reblock', 'unblock' ) ),
441 'msgKey' => array( 'blocklog-showsuppresslog', $userTitle->getText() ),
442 'showIfEmpty' => false
454 * Get a user page target for things like logs.
455 * This handles account and IP range targets.
456 * @param User|string $target
459 protected static function getTargetUserTitle( $target ) {
460 if ( $target instanceof User
) {
461 return $target->getUserPage();
462 } elseif ( IP
::isIPAddress( $target ) ) {
463 return Title
::makeTitleSafe( NS_USER
, $target );
470 * Determine the target of the block, and the type of target
471 * @todo Should be in Block.php?
472 * @param string $par Subpage parameter passed to setup, or data value from
474 * @param WebRequest $request Optionally try and get data from a request too
475 * @return array( User|string|null, Block::TYPE_ constant|null )
477 public static function getTargetAndType( $par, WebRequest
$request = null ) {
484 # The HTMLForm will check wpTarget first and only if it doesn't get
485 # a value use the default, which will be generated from the options
486 # below; so this has to have a higher precedence here than $par, or
487 # we could end up with different values in $this->target and the HTMLForm!
488 if ( $request instanceof WebRequest
) {
489 $target = $request->getText( 'wpTarget', null );
496 if ( $request instanceof WebRequest
) {
497 $target = $request->getText( 'ip', null );
502 if ( $request instanceof WebRequest
) {
503 $target = $request->getText( 'wpBlockAddress', null );
510 list( $target, $type ) = Block
::parseTarget( $target );
512 if ( $type !== null ) {
513 return array( $target, $type );
517 return array( null, null );
521 * HTMLForm field validation-callback for Target field.
523 * @param string $value
524 * @param array $alldata
525 * @param HTMLForm $form
528 public static function validateTargetField( $value, $alldata, $form ) {
529 $status = self
::validateTarget( $value, $form->getUser() );
530 if ( !$status->isOK() ) {
531 $errors = $status->getErrorsArray();
533 return call_user_func_array( array( $form, 'msg' ), $errors[0] );
540 * Validate a block target.
543 * @param string $value Block target to check
544 * @param User $user Performer of the block
547 public static function validateTarget( $value, User
$user ) {
548 global $wgBlockCIDRLimit;
550 /** @var User $target */
551 list( $target, $type ) = self
::getTargetAndType( $value );
552 $status = Status
::newGood( $target );
554 if ( $type == Block
::TYPE_USER
) {
555 if ( $target->isAnon() ) {
558 wfEscapeWikiText( $target->getName() )
562 $unblockStatus = self
::checkUnblockSelf( $target, $user );
563 if ( $unblockStatus !== true ) {
564 $status->fatal( 'badaccess', $unblockStatus );
566 } elseif ( $type == Block
::TYPE_RANGE
) {
567 list( $ip, $range ) = explode( '/', $target, 2 );
570 ( IP
::isIPv4( $ip ) && $wgBlockCIDRLimit['IPv4'] == 32 ) ||
571 ( IP
::isIPv6( $ip ) && $wgBlockCIDRLimit['IPv6'] == 128 )
573 // Range block effectively disabled
574 $status->fatal( 'range_block_disabled' );
578 ( IP
::isIPv4( $ip ) && $range > 32 ) ||
579 ( IP
::isIPv6( $ip ) && $range > 128 )
582 $status->fatal( 'ip_range_invalid' );
585 if ( IP
::isIPv4( $ip ) && $range < $wgBlockCIDRLimit['IPv4'] ) {
586 $status->fatal( 'ip_range_toolarge', $wgBlockCIDRLimit['IPv4'] );
589 if ( IP
::isIPv6( $ip ) && $range < $wgBlockCIDRLimit['IPv6'] ) {
590 $status->fatal( 'ip_range_toolarge', $wgBlockCIDRLimit['IPv6'] );
592 } elseif ( $type == Block
::TYPE_IP
) {
595 $status->fatal( 'badipaddress' );
602 * Given the form data, actually implement a block. This is also called from ApiBlock.
605 * @param IContextSource $context
606 * @return bool|string
608 public static function processForm( array $data, IContextSource
$context ) {
609 global $wgBlockAllowsUTEdit, $wgHideUserContribLimit, $wgContLang;
611 $performer = $context->getUser();
613 // Handled by field validator callback
614 // self::validateTargetField( $data['Target'] );
616 # This might have been a hidden field or a checkbox, so interesting data
618 $data['Confirm'] = !in_array( $data['Confirm'], array( '', '0', null, false ), true );
620 /** @var User $target */
621 list( $target, $type ) = self
::getTargetAndType( $data['Target'] );
622 if ( $type == Block
::TYPE_USER
) {
624 $target = $user->getName();
625 $userId = $user->getId();
627 # Give admins a heads-up before they go and block themselves. Much messier
628 # to do this for IPs, but it's pretty unlikely they'd ever get the 'block'
629 # permission anyway, although the code does allow for it.
630 # Note: Important to use $target instead of $data['Target']
631 # since both $data['PreviousTarget'] and $target are normalized
632 # but $data['target'] gets overridden by (non-normalized) request variable
633 # from previous request.
634 if ( $target === $performer->getName() &&
635 ( $data['PreviousTarget'] !== $target ||
!$data['Confirm'] )
637 return array( 'ipb-blockingself', 'ipb-confirmaction' );
639 } elseif ( $type == Block
::TYPE_RANGE
) {
641 } elseif ( $type == Block
::TYPE_IP
) {
642 $target = $target->getName();
645 # This should have been caught in the form field validation
646 return array( 'badipaddress' );
649 if ( ( strlen( $data['Expiry'] ) == 0 ) ||
( strlen( $data['Expiry'] ) > 50 )
650 ||
!self
::parseExpiryInput( $data['Expiry'] )
652 return array( 'ipb_expiry_invalid' );
655 if ( !isset( $data['DisableEmail'] ) ) {
656 $data['DisableEmail'] = false;
659 # If the user has done the form 'properly', they won't even have been given the
660 # option to suppress-block unless they have the 'hideuser' permission
661 if ( !isset( $data['HideUser'] ) ) {
662 $data['HideUser'] = false;
665 if ( $data['HideUser'] ) {
666 if ( !$performer->isAllowed( 'hideuser' ) ) {
667 # this codepath is unreachable except by a malicious user spoofing forms,
668 # or by race conditions (user has hideuser and block rights, loads block form,
669 # and loses hideuser rights before submission); so need to fail completely
670 # rather than just silently disable hiding
671 return array( 'badaccess-group0' );
674 # Recheck params here...
675 if ( $type != Block
::TYPE_USER
) {
676 $data['HideUser'] = false; # IP users should not be hidden
677 } elseif ( !wfIsInfinity( $data['Expiry'] ) ) {
679 return array( 'ipb_expiry_temp' );
680 } elseif ( $wgHideUserContribLimit !== false
681 && $user->getEditCount() > $wgHideUserContribLimit
683 # Typically, the user should have a handful of edits.
684 # Disallow hiding users with many edits for performance.
685 return array( array( 'ipb_hide_invalid',
686 Message
::numParam( $wgHideUserContribLimit ) ) );
687 } elseif ( !$data['Confirm'] ) {
688 return array( 'ipb-confirmhideuser', 'ipb-confirmaction' );
692 # Create block object.
693 $block = new Block();
694 $block->setTarget( $target );
695 $block->setBlocker( $performer );
696 # Truncate reason for whole multibyte characters
697 $block->mReason
= $wgContLang->truncate( $data['Reason'][0], 255 );
698 $block->mExpiry
= self
::parseExpiryInput( $data['Expiry'] );
699 $block->prevents( 'createaccount', $data['CreateAccount'] );
700 $block->prevents( 'editownusertalk', ( !$wgBlockAllowsUTEdit ||
$data['DisableUTEdit'] ) );
701 $block->prevents( 'sendemail', $data['DisableEmail'] );
702 $block->isHardblock( $data['HardBlock'] );
703 $block->isAutoblocking( $data['AutoBlock'] );
704 $block->mHideName
= $data['HideUser'];
706 $reason = array( 'hookaborted' );
707 if ( !Hooks
::run( 'BlockIp', array( &$block, &$performer, &$reason ) ) ) {
711 # Try to insert block. Is there a conflicting block?
712 $status = $block->insert();
714 # Indicates whether the user is confirming the block and is aware of
715 # the conflict (did not change the block target in the meantime)
716 $blockNotConfirmed = !$data['Confirm'] ||
( array_key_exists( 'PreviousTarget', $data )
717 && $data['PreviousTarget'] !== $target );
719 # Special case for API - bug 32434
720 $reblockNotAllowed = ( array_key_exists( 'Reblock', $data ) && !$data['Reblock'] );
722 # Show form unless the user is already aware of this...
723 if ( $blockNotConfirmed ||
$reblockNotAllowed ) {
724 return array( array( 'ipb_already_blocked', $block->getTarget() ) );
725 # Otherwise, try to update the block...
727 # This returns direct blocks before autoblocks/rangeblocks, since we should
728 # be sure the user is blocked by now it should work for our purposes
729 $currentBlock = Block
::newFromTarget( $target );
731 if ( $block->equals( $currentBlock ) ) {
732 return array( array( 'ipb_already_blocked', $block->getTarget() ) );
735 # If the name was hidden and the blocking user cannot hide
736 # names, then don't allow any block changes...
737 if ( $currentBlock->mHideName
&& !$performer->isAllowed( 'hideuser' ) ) {
738 return array( 'cant-see-hidden-user' );
741 $currentBlock->isHardblock( $block->isHardblock() );
742 $currentBlock->prevents( 'createaccount', $block->prevents( 'createaccount' ) );
743 $currentBlock->mExpiry
= $block->mExpiry
;
744 $currentBlock->isAutoblocking( $block->isAutoblocking() );
745 $currentBlock->mHideName
= $block->mHideName
;
746 $currentBlock->prevents( 'sendemail', $block->prevents( 'sendemail' ) );
747 $currentBlock->prevents( 'editownusertalk', $block->prevents( 'editownusertalk' ) );
748 $currentBlock->mReason
= $block->mReason
;
750 $status = $currentBlock->update();
752 $logaction = 'reblock';
754 # Unset _deleted fields if requested
755 if ( $currentBlock->mHideName
&& !$data['HideUser'] ) {
756 RevisionDeleteUser
::unsuppressUserName( $target, $userId );
759 # If hiding/unhiding a name, this should go in the private logs
760 if ( (bool)$currentBlock->mHideName
) {
761 $data['HideUser'] = true;
765 $logaction = 'block';
768 Hooks
::run( 'BlockIpComplete', array( $block, $performer ) );
770 # Set *_deleted fields if requested
771 if ( $data['HideUser'] ) {
772 RevisionDeleteUser
::suppressUserName( $target, $userId );
775 # Can't watch a rangeblock
776 if ( $type != Block
::TYPE_RANGE
&& $data['Watch'] ) {
777 WatchAction
::doWatch(
778 Title
::makeTitle( NS_USER
, $target ),
780 WatchedItem
::IGNORE_USER_RIGHTS
784 # Block constructor sanitizes certain block options on insert
785 $data['BlockEmail'] = $block->prevents( 'sendemail' );
786 $data['AutoBlock'] = $block->isAutoblocking();
788 # Prepare log parameters
789 $logParams = array();
790 $logParams['5::duration'] = $data['Expiry'];
791 $logParams['6::flags'] = self
::blockLogFlags( $data, $type );
793 # Make log entry, if the name is hidden, put it in the suppression log
794 $log_type = $data['HideUser'] ?
'suppress' : 'block';
795 $logEntry = new ManualLogEntry( $log_type, $logaction );
796 $logEntry->setTarget( Title
::makeTitle( NS_USER
, $target ) );
797 $logEntry->setComment( $data['Reason'][0] );
798 $logEntry->setPerformer( $performer );
799 $logEntry->setParameters( $logParams );
800 # Relate log ID to block IDs (bug 25763)
801 $blockIds = array_merge( array( $status['id'] ), $status['autoIds'] );
802 $logEntry->setRelations( array( 'ipb_id' => $blockIds ) );
803 $logId = $logEntry->insert();
804 $logEntry->publish( $logId );
811 * Get an array of suggested block durations from MediaWiki:Ipboptions
812 * @todo FIXME: This uses a rather odd syntax for the options, should it be converted
813 * to the standard "**<duration>|<displayname>" format?
814 * @param Language|null $lang The language to get the durations in, or null to use
815 * the wiki's content language
818 public static function getSuggestedDurations( $lang = null ) {
820 $msg = $lang === null
821 ?
wfMessage( 'ipboptions' )->inContentLanguage()->text()
822 : wfMessage( 'ipboptions' )->inLanguage( $lang )->text();
828 foreach ( explode( ',', $msg ) as $option ) {
829 if ( strpos( $option, ':' ) === false ) {
830 $option = "$option:$option";
833 list( $show, $value ) = explode( ':', $option );
841 * Convert a submitted expiry time, which may be relative ("2 weeks", etc) or absolute
842 * ("24 May 2034", etc), into an absolute timestamp we can put into the database.
843 * @param string $expiry Whatever was typed into the form
844 * @return string Timestamp or 'infinity'
846 public static function parseExpiryInput( $expiry ) {
847 if ( wfIsInfinity( $expiry ) ) {
848 $expiry = 'infinity';
850 $expiry = strtotime( $expiry );
852 if ( $expiry < 0 ||
$expiry === false ) {
856 $expiry = wfTimestamp( TS_MW
, $expiry );
863 * Can we do an email block?
864 * @param User $user The sysop wanting to make a block
867 public static function canBlockEmail( $user ) {
868 global $wgEnableUserEmail, $wgSysopEmailBans;
870 return ( $wgEnableUserEmail && $wgSysopEmailBans && $user->isAllowed( 'blockemail' ) );
874 * bug 15810: blocked admins should not be able to block/unblock
875 * others, and probably shouldn't be able to unblock themselves
877 * @param User|int|string $user
878 * @param User $performer User doing the request
879 * @return bool|string True or error message key
881 public static function checkUnblockSelf( $user, User
$performer ) {
882 if ( is_int( $user ) ) {
883 $user = User
::newFromId( $user );
884 } elseif ( is_string( $user ) ) {
885 $user = User
::newFromName( $user );
888 if ( $performer->isBlocked() ) {
889 if ( $user instanceof User
&& $user->getId() == $performer->getId() ) {
890 # User is trying to unblock themselves
891 if ( $performer->isAllowed( 'unblockself' ) ) {
893 # User blocked themselves and is now trying to reverse it
894 } elseif ( $performer->blockedBy() === $performer->getName() ) {
897 return 'ipbnounblockself';
900 # User is trying to block/unblock someone else
909 * Return a comma-delimited list of "flags" to be passed to the log
910 * reader for this block, to provide more information in the logs
911 * @param array $data From HTMLForm data
912 * @param int $type Block::TYPE_ constant (USER, RANGE, or IP)
915 protected static function blockLogFlags( array $data, $type ) {
916 global $wgBlockAllowsUTEdit;
919 # when blocking a user the option 'anononly' is not available/has no effect
920 # -> do not write this into log
921 if ( !$data['HardBlock'] && $type != Block
::TYPE_USER
) {
922 // For grepping: message block-log-flags-anononly
923 $flags[] = 'anononly';
926 if ( $data['CreateAccount'] ) {
927 // For grepping: message block-log-flags-nocreate
928 $flags[] = 'nocreate';
931 # Same as anononly, this is not displayed when blocking an IP address
932 if ( !$data['AutoBlock'] && $type == Block
::TYPE_USER
) {
933 // For grepping: message block-log-flags-noautoblock
934 $flags[] = 'noautoblock';
937 if ( $data['DisableEmail'] ) {
938 // For grepping: message block-log-flags-noemail
939 $flags[] = 'noemail';
942 if ( $wgBlockAllowsUTEdit && $data['DisableUTEdit'] ) {
943 // For grepping: message block-log-flags-nousertalk
944 $flags[] = 'nousertalk';
947 if ( $data['HideUser'] ) {
948 // For grepping: message block-log-flags-hiddenname
949 $flags[] = 'hiddenname';
952 return implode( ',', $flags );
956 * Process the form on POST submission.
958 * @param HTMLForm $form
959 * @return bool|array True for success, false for didn't-try, array of errors on failure
961 public function onSubmit( array $data, HTMLForm
$form = null ) {
962 return self
::processForm( $data, $form->getContext() );
966 * Do something exciting on successful processing of the form, most likely to show a
967 * confirmation message
969 public function onSuccess() {
970 $out = $this->getOutput();
971 $out->setPageTitle( $this->msg( 'blockipsuccesssub' ) );
972 $out->addWikiMsg( 'blockipsuccesstext', wfEscapeWikiText( $this->target
) );
975 protected function getGroupName() {