MediaWiki  REL1_22
SpecialBlock.php
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00001 <?php
00030 class SpecialBlock extends FormSpecialPage {
00033     const HIDEUSER_CONTRIBLIMIT = 1000;
00034 
00037     protected $target;
00038 
00040     protected $type;
00041 
00043     protected $previousTarget;
00044 
00046     protected $requestedHideUser;
00047 
00049     protected $alreadyBlocked;
00050 
00052     protected $preErrors = array();
00053 
00054     public function __construct() {
00055         parent::__construct( 'Block', 'block' );
00056     }
00057 
00064     protected function checkExecutePermissions( User $user ) {
00065         parent::checkExecutePermissions( $user );
00066 
00067         # bug 15810: blocked admins should have limited access here
00068         $status = self::checkUnblockSelf( $this->target, $user );
00069         if ( $status !== true ) {
00070             throw new ErrorPageError( 'badaccess', $status );
00071         }
00072     }
00073 
00079     protected function setParameter( $par ) {
00080         # Extract variables from the request.  Try not to get into a situation where we
00081         # need to extract *every* variable from the form just for processing here, but
00082         # there are legitimate uses for some variables
00083         $request = $this->getRequest();
00084         list( $this->target, $this->type ) = self::getTargetAndType( $par, $request );
00085         if ( $this->target instanceof User ) {
00086             # Set the 'relevant user' in the skin, so it displays links like Contributions,
00087             # User logs, UserRights, etc.
00088             $this->getSkin()->setRelevantUser( $this->target );
00089         }
00090 
00091         list( $this->previousTarget, /*...*/ ) = Block::parseTarget( $request->getVal( 'wpPreviousTarget' ) );
00092         $this->requestedHideUser = $request->getBool( 'wpHideUser' );
00093     }
00094 
00100     protected function alterForm( HTMLForm $form ) {
00101         $form->setWrapperLegendMsg( 'blockip-legend' );
00102         $form->setHeaderText( '' );
00103         $form->setSubmitCallback( array( __CLASS__, 'processUIForm' ) );
00104 
00105         $msg = $this->alreadyBlocked ? 'ipb-change-block' : 'ipbsubmit';
00106         $form->setSubmitTextMsg( $msg );
00107 
00108         # Don't need to do anything if the form has been posted
00109         if ( !$this->getRequest()->wasPosted() && $this->preErrors ) {
00110             $s = HTMLForm::formatErrors( $this->preErrors );
00111             if ( $s ) {
00112                 $form->addHeaderText( Html::rawElement(
00113                     'div',
00114                     array( 'class' => 'error' ),
00115                     $s
00116                 ) );
00117             }
00118         }
00119     }
00120 
00125     protected function getFormFields() {
00126         global $wgBlockAllowsUTEdit;
00127 
00128         $user = $this->getUser();
00129 
00130         $suggestedDurations = self::getSuggestedDurations();
00131 
00132         $a = array(
00133             'Target' => array(
00134                 'type' => 'text',
00135                 'label-message' => 'ipadressorusername',
00136                 'tabindex' => '1',
00137                 'id' => 'mw-bi-target',
00138                 'size' => '45',
00139                 'autofocus' => true,
00140                 'required' => true,
00141                 'validation-callback' => array( __CLASS__, 'validateTargetField' ),
00142             ),
00143             'Expiry' => array(
00144                 'type' => !count( $suggestedDurations ) ? 'text' : 'selectorother',
00145                 'label-message' => 'ipbexpiry',
00146                 'required' => true,
00147                 'tabindex' => '2',
00148                 'options' => $suggestedDurations,
00149                 'other' => $this->msg( 'ipbother' )->text(),
00150                 'default' => $this->msg( 'ipb-default-expiry' )->inContentLanguage()->text(),
00151             ),
00152             'Reason' => array(
00153                 'type' => 'selectandother',
00154                 'label-message' => 'ipbreason',
00155                 'options-message' => 'ipbreason-dropdown',
00156             ),
00157             'CreateAccount' => array(
00158                 'type' => 'check',
00159                 'label-message' => 'ipbcreateaccount',
00160                 'default' => true,
00161             ),
00162         );
00163 
00164         if ( self::canBlockEmail( $user ) ) {
00165             $a['DisableEmail'] = array(
00166                 'type' => 'check',
00167                 'label-message' => 'ipbemailban',
00168             );
00169         }
00170 
00171         if ( $wgBlockAllowsUTEdit ) {
00172             $a['DisableUTEdit'] = array(
00173                 'type' => 'check',
00174                 'label-message' => 'ipb-disableusertalk',
00175                 'default' => false,
00176             );
00177         }
00178 
00179         $a['AutoBlock'] = array(
00180             'type' => 'check',
00181             'label-message' => 'ipbenableautoblock',
00182             'default' => true,
00183         );
00184 
00185         # Allow some users to hide name from block log, blocklist and listusers
00186         if ( $user->isAllowed( 'hideuser' ) ) {
00187             $a['HideUser'] = array(
00188                 'type' => 'check',
00189                 'label-message' => 'ipbhidename',
00190                 'cssclass' => 'mw-block-hideuser',
00191             );
00192         }
00193 
00194         # Watchlist their user page? (Only if user is logged in)
00195         if ( $user->isLoggedIn() ) {
00196             $a['Watch'] = array(
00197                 'type' => 'check',
00198                 'label-message' => 'ipbwatchuser',
00199             );
00200         }
00201 
00202         $a['HardBlock'] = array(
00203             'type' => 'check',
00204             'label-message' => 'ipb-hardblock',
00205             'default' => false,
00206         );
00207 
00208         # This is basically a copy of the Target field, but the user can't change it, so we
00209         # can see if the warnings we maybe showed to the user before still apply
00210         $a['PreviousTarget'] = array(
00211             'type' => 'hidden',
00212             'default' => false,
00213         );
00214 
00215         # We'll turn this into a checkbox if we need to
00216         $a['Confirm'] = array(
00217             'type' => 'hidden',
00218             'default' => '',
00219             'label-message' => 'ipb-confirm',
00220         );
00221 
00222         $this->maybeAlterFormDefaults( $a );
00223 
00224         return $a;
00225     }
00226 
00234     protected function maybeAlterFormDefaults( &$fields ) {
00235         # This will be overwritten by request data
00236         $fields['Target']['default'] = (string)$this->target;
00237 
00238         # This won't be
00239         $fields['PreviousTarget']['default'] = (string)$this->target;
00240 
00241         $block = Block::newFromTarget( $this->target );
00242 
00243         if ( $block instanceof Block && !$block->mAuto # The block exists and isn't an autoblock
00244             && ( $this->type != Block::TYPE_RANGE # The block isn't a rangeblock
00245                 || $block->getTarget() == $this->target ) # or if it is, the range is what we're about to block
00246         ) {
00247             $fields['HardBlock']['default'] = $block->isHardblock();
00248             $fields['CreateAccount']['default'] = $block->prevents( 'createaccount' );
00249             $fields['AutoBlock']['default'] = $block->isAutoblocking();
00250 
00251             if ( isset( $fields['DisableEmail'] ) ) {
00252                 $fields['DisableEmail']['default'] = $block->prevents( 'sendemail' );
00253             }
00254 
00255             if ( isset( $fields['HideUser'] ) ) {
00256                 $fields['HideUser']['default'] = $block->mHideName;
00257             }
00258 
00259             if ( isset( $fields['DisableUTEdit'] ) ) {
00260                 $fields['DisableUTEdit']['default'] = $block->prevents( 'editownusertalk' );
00261             }
00262 
00263             // If the username was hidden (ipb_deleted == 1), don't show the reason
00264             // unless this user also has rights to hideuser: Bug 35839
00265             if ( !$block->mHideName || $this->getUser()->isAllowed( 'hideuser' ) ) {
00266                 $fields['Reason']['default'] = $block->mReason;
00267             } else {
00268                 $fields['Reason']['default'] = '';
00269             }
00270 
00271             if ( $this->getRequest()->wasPosted() ) {
00272                 # Ok, so we got a POST submission asking us to reblock a user.  So show the
00273                 # confirm checkbox; the user will only see it if they haven't previously
00274                 $fields['Confirm']['type'] = 'check';
00275             } else {
00276                 # We got a target, but it wasn't a POST request, so the user must have gone
00277                 # to a link like [[Special:Block/User]].  We don't need to show the checkbox
00278                 # as long as they go ahead and block *that* user
00279                 $fields['Confirm']['default'] = 1;
00280             }
00281 
00282             if ( $block->mExpiry == 'infinity' ) {
00283                 $fields['Expiry']['default'] = 'infinite';
00284             } else {
00285                 $fields['Expiry']['default'] = wfTimestamp( TS_RFC2822, $block->mExpiry );
00286             }
00287 
00288             $this->alreadyBlocked = true;
00289             $this->preErrors[] = array( 'ipb-needreblock', wfEscapeWikiText( (string)$block->getTarget() ) );
00290         }
00291 
00292         # We always need confirmation to do HideUser
00293         if ( $this->requestedHideUser ) {
00294             $fields['Confirm']['type'] = 'check';
00295             unset( $fields['Confirm']['default'] );
00296             $this->preErrors[] = 'ipb-confirmhideuser';
00297         }
00298 
00299         # Or if the user is trying to block themselves
00300         if ( (string)$this->target === $this->getUser()->getName() ) {
00301             $fields['Confirm']['type'] = 'check';
00302             unset( $fields['Confirm']['default'] );
00303             $this->preErrors[] = 'ipb-blockingself';
00304         }
00305     }
00306 
00311     protected function preText() {
00312         $this->getOutput()->addModules( 'mediawiki.special.block' );
00313 
00314         $text = $this->msg( 'blockiptext' )->parse();
00315 
00316         $otherBlockMessages = array();
00317         if ( $this->target !== null ) {
00318             # Get other blocks, i.e. from GlobalBlocking or TorBlock extension
00319             wfRunHooks( 'OtherBlockLogLink', array( &$otherBlockMessages, $this->target ) );
00320 
00321             if ( count( $otherBlockMessages ) ) {
00322                 $s = Html::rawElement(
00323                     'h2',
00324                     array(),
00325                     $this->msg( 'ipb-otherblocks-header', count( $otherBlockMessages ) )->parse()
00326                 ) . "\n";
00327 
00328                 $list = '';
00329 
00330                 foreach ( $otherBlockMessages as $link ) {
00331                     $list .= Html::rawElement( 'li', array(), $link ) . "\n";
00332                 }
00333 
00334                 $s .= Html::rawElement(
00335                     'ul',
00336                     array( 'class' => 'mw-blockip-alreadyblocked' ),
00337                     $list
00338                 ) . "\n";
00339 
00340                 $text .= $s;
00341             }
00342         }
00343 
00344         return $text;
00345     }
00346 
00351     protected function postText() {
00352         $links = array();
00353 
00354         # Link to the user's contributions, if applicable
00355         if ( $this->target instanceof User ) {
00356             $contribsPage = SpecialPage::getTitleFor( 'Contributions', $this->target->getName() );
00357             $links[] = Linker::link(
00358                 $contribsPage,
00359                 $this->msg( 'ipb-blocklist-contribs', $this->target->getName() )->escaped()
00360             );
00361         }
00362 
00363         # Link to unblock the specified user, or to a blank unblock form
00364         if ( $this->target instanceof User ) {
00365             $message = $this->msg( 'ipb-unblock-addr', wfEscapeWikiText( $this->target->getName() ) )->parse();
00366             $list = SpecialPage::getTitleFor( 'Unblock', $this->target->getName() );
00367         } else {
00368             $message = $this->msg( 'ipb-unblock' )->parse();
00369             $list = SpecialPage::getTitleFor( 'Unblock' );
00370         }
00371         $links[] = Linker::linkKnown( $list, $message, array() );
00372 
00373         # Link to the block list
00374         $links[] = Linker::linkKnown(
00375             SpecialPage::getTitleFor( 'BlockList' ),
00376             $this->msg( 'ipb-blocklist' )->escaped()
00377         );
00378 
00379         $user = $this->getUser();
00380 
00381         # Link to edit the block dropdown reasons, if applicable
00382         if ( $user->isAllowed( 'editinterface' ) ) {
00383             $links[] = Linker::link(
00384                 Title::makeTitle( NS_MEDIAWIKI, 'Ipbreason-dropdown' ),
00385                 $this->msg( 'ipb-edit-dropdown' )->escaped(),
00386                 array(),
00387                 array( 'action' => 'edit' )
00388             );
00389         }
00390 
00391         $text = Html::rawElement(
00392             'p',
00393             array( 'class' => 'mw-ipb-conveniencelinks' ),
00394             $this->getLanguage()->pipeList( $links )
00395         );
00396 
00397         $userTitle = self::getTargetUserTitle( $this->target );
00398         if ( $userTitle ) {
00399             # Get relevant extracts from the block and suppression logs, if possible
00400             $out = '';
00401 
00402             LogEventsList::showLogExtract(
00403                 $out,
00404                 'block',
00405                 $userTitle,
00406                 '',
00407                 array(
00408                     'lim' => 10,
00409                     'msgKey' => array( 'blocklog-showlog', $userTitle->getText() ),
00410                     'showIfEmpty' => false
00411                 )
00412             );
00413             $text .= $out;
00414 
00415             # Add suppression block entries if allowed
00416             if ( $user->isAllowed( 'suppressionlog' ) ) {
00417                 LogEventsList::showLogExtract(
00418                     $out,
00419                     'suppress',
00420                     $userTitle,
00421                     '',
00422                     array(
00423                         'lim' => 10,
00424                         'conds' => array( 'log_action' => array( 'block', 'reblock', 'unblock' ) ),
00425                         'msgKey' => array( 'blocklog-showsuppresslog', $userTitle->getText() ),
00426                         'showIfEmpty' => false
00427                     )
00428                 );
00429 
00430                 $text .= $out;
00431             }
00432         }
00433 
00434         return $text;
00435     }
00436 
00443     protected static function getTargetUserTitle( $target ) {
00444         if ( $target instanceof User ) {
00445             return $target->getUserPage();
00446         } elseif ( IP::isIPAddress( $target ) ) {
00447             return Title::makeTitleSafe( NS_USER, $target );
00448         }
00449 
00450         return null;
00451     }
00452 
00461     public static function getTargetAndType( $par, WebRequest $request = null ) {
00462         $i = 0;
00463         $target = null;
00464 
00465         while ( true ) {
00466             switch ( $i++ ) {
00467                 case 0:
00468                     # The HTMLForm will check wpTarget first and only if it doesn't get
00469                     # a value use the default, which will be generated from the options
00470                     # below; so this has to have a higher precedence here than $par, or
00471                     # we could end up with different values in $this->target and the HTMLForm!
00472                     if ( $request instanceof WebRequest ) {
00473                         $target = $request->getText( 'wpTarget', null );
00474                     }
00475                     break;
00476                 case 1:
00477                     $target = $par;
00478                     break;
00479                 case 2:
00480                     if ( $request instanceof WebRequest ) {
00481                         $target = $request->getText( 'ip', null );
00482                     }
00483                     break;
00484                 case 3:
00485                     # B/C @since 1.18
00486                     if ( $request instanceof WebRequest ) {
00487                         $target = $request->getText( 'wpBlockAddress', null );
00488                     }
00489                     break;
00490                 case 4:
00491                     break 2;
00492             }
00493 
00494             list( $target, $type ) = Block::parseTarget( $target );
00495 
00496             if ( $type !== null ) {
00497                 return array( $target, $type );
00498             }
00499         }
00500 
00501         return array( null, null );
00502     }
00503 
00512     public static function validateTargetField( $value, $alldata, $form ) {
00513         $status = self::validateTarget( $value, $form->getUser() );
00514         if ( !$status->isOK() ) {
00515             $errors = $status->getErrorsArray();
00516 
00517             return call_user_func_array( array( $form, 'msg' ), $errors[0] );
00518         } else {
00519             return true;
00520         }
00521     }
00522 
00531     public static function validateTarget( $value, User $user ) {
00532         global $wgBlockCIDRLimit;
00533 
00535         list( $target, $type ) = self::getTargetAndType( $value );
00536         $status = Status::newGood( $target );
00537 
00538         if ( $type == Block::TYPE_USER ) {
00539             if ( $target->isAnon() ) {
00540                 $status->fatal(
00541                     'nosuchusershort',
00542                     wfEscapeWikiText( $target->getName() )
00543                 );
00544             }
00545 
00546             $unblockStatus = self::checkUnblockSelf( $target, $user );
00547             if ( $unblockStatus !== true ) {
00548                 $status->fatal( 'badaccess', $unblockStatus );
00549             }
00550         } elseif ( $type == Block::TYPE_RANGE ) {
00551             list( $ip, $range ) = explode( '/', $target, 2 );
00552 
00553             if (
00554                 ( IP::isIPv4( $ip ) && $wgBlockCIDRLimit['IPv4'] == 32 ) ||
00555                 ( IP::isIPv6( $ip ) && $wgBlockCIDRLimit['IPv6'] == 128 )
00556             ) {
00557                 // Range block effectively disabled
00558                 $status->fatal( 'range_block_disabled' );
00559             }
00560 
00561             if (
00562                 ( IP::isIPv4( $ip ) && $range > 32 ) ||
00563                 ( IP::isIPv6( $ip ) && $range > 128 )
00564             ) {
00565                 // Dodgy range
00566                 $status->fatal( 'ip_range_invalid' );
00567             }
00568 
00569             if ( IP::isIPv4( $ip ) && $range < $wgBlockCIDRLimit['IPv4'] ) {
00570                 $status->fatal( 'ip_range_toolarge', $wgBlockCIDRLimit['IPv4'] );
00571             }
00572 
00573             if ( IP::isIPv6( $ip ) && $range < $wgBlockCIDRLimit['IPv6'] ) {
00574                 $status->fatal( 'ip_range_toolarge', $wgBlockCIDRLimit['IPv6'] );
00575             }
00576         } elseif ( $type == Block::TYPE_IP ) {
00577             # All is well
00578         } else {
00579             $status->fatal( 'badipaddress' );
00580         }
00581 
00582         return $status;
00583     }
00584 
00591     public static function processUIForm( array $data, HTMLForm $form ) {
00592         return self::processForm( $data, $form->getContext() );
00593     }
00594 
00601     public static function processForm( array $data, IContextSource $context ) {
00602         global $wgBlockAllowsUTEdit;
00603 
00604         $performer = $context->getUser();
00605 
00606         // Handled by field validator callback
00607         // self::validateTargetField( $data['Target'] );
00608 
00609         # This might have been a hidden field or a checkbox, so interesting data
00610         # can come from it
00611         $data['Confirm'] = !in_array( $data['Confirm'], array( '', '0', null, false ), true );
00612 
00614         list( $target, $type ) = self::getTargetAndType( $data['Target'] );
00615         if ( $type == Block::TYPE_USER ) {
00616             $user = $target;
00617             $target = $user->getName();
00618             $userId = $user->getId();
00619 
00620             # Give admins a heads-up before they go and block themselves.  Much messier
00621             # to do this for IPs, but it's pretty unlikely they'd ever get the 'block'
00622             # permission anyway, although the code does allow for it.
00623             # Note: Important to use $target instead of $data['Target']
00624             # since both $data['PreviousTarget'] and $target are normalized
00625             # but $data['target'] gets overriden by (non-normalized) request variable
00626             # from previous request.
00627             if ( $target === $performer->getName() &&
00628                 ( $data['PreviousTarget'] !== $target || !$data['Confirm'] )
00629             ) {
00630                 return array( 'ipb-blockingself' );
00631             }
00632         } elseif ( $type == Block::TYPE_RANGE ) {
00633             $userId = 0;
00634         } elseif ( $type == Block::TYPE_IP ) {
00635             $target = $target->getName();
00636             $userId = 0;
00637         } else {
00638             # This should have been caught in the form field validation
00639             return array( 'badipaddress' );
00640         }
00641 
00642         if ( ( strlen( $data['Expiry'] ) == 0 ) || ( strlen( $data['Expiry'] ) > 50 )
00643             || !self::parseExpiryInput( $data['Expiry'] )
00644         ) {
00645             return array( 'ipb_expiry_invalid' );
00646         }
00647 
00648         if ( !isset( $data['DisableEmail'] ) ) {
00649             $data['DisableEmail'] = false;
00650         }
00651 
00652         # If the user has done the form 'properly', they won't even have been given the
00653         # option to suppress-block unless they have the 'hideuser' permission
00654         if ( !isset( $data['HideUser'] ) ) {
00655             $data['HideUser'] = false;
00656         }
00657 
00658         if ( $data['HideUser'] ) {
00659             if ( !$performer->isAllowed( 'hideuser' ) ) {
00660                 # this codepath is unreachable except by a malicious user spoofing forms,
00661                 # or by race conditions (user has oversight and sysop, loads block form,
00662                 # and is de-oversighted before submission); so need to fail completely
00663                 # rather than just silently disable hiding
00664                 return array( 'badaccess-group0' );
00665             }
00666 
00667             # Recheck params here...
00668             if ( $type != Block::TYPE_USER ) {
00669                 $data['HideUser'] = false; # IP users should not be hidden
00670             } elseif ( !in_array( $data['Expiry'], array( 'infinite', 'infinity', 'indefinite' ) ) ) {
00671                 # Bad expiry.
00672                 return array( 'ipb_expiry_temp' );
00673             } elseif ( $user->getEditCount() > self::HIDEUSER_CONTRIBLIMIT ) {
00674                 # Typically, the user should have a handful of edits.
00675                 # Disallow hiding users with many edits for performance.
00676                 return array( 'ipb_hide_invalid' );
00677             } elseif ( !$data['Confirm'] ) {
00678                 return array( 'ipb-confirmhideuser' );
00679             }
00680         }
00681 
00682         # Create block object.
00683         $block = new Block();
00684         $block->setTarget( $target );
00685         $block->setBlocker( $performer );
00686         $block->mReason = $data['Reason'][0];
00687         $block->mExpiry = self::parseExpiryInput( $data['Expiry'] );
00688         $block->prevents( 'createaccount', $data['CreateAccount'] );
00689         $block->prevents( 'editownusertalk', ( !$wgBlockAllowsUTEdit || $data['DisableUTEdit'] ) );
00690         $block->prevents( 'sendemail', $data['DisableEmail'] );
00691         $block->isHardblock( $data['HardBlock'] );
00692         $block->isAutoblocking( $data['AutoBlock'] );
00693         $block->mHideName = $data['HideUser'];
00694 
00695         if ( !wfRunHooks( 'BlockIp', array( &$block, &$performer ) ) ) {
00696             return array( 'hookaborted' );
00697         }
00698 
00699         # Try to insert block. Is there a conflicting block?
00700         $status = $block->insert();
00701         if ( !$status ) {
00702             # Indicates whether the user is confirming the block and is aware of
00703             # the conflict (did not change the block target in the meantime)
00704             $blockNotConfirmed = !$data['Confirm'] || ( array_key_exists( 'PreviousTarget', $data )
00705                 && $data['PreviousTarget'] !== $target );
00706 
00707             # Special case for API - bug 32434
00708             $reblockNotAllowed = ( array_key_exists( 'Reblock', $data ) && !$data['Reblock'] );
00709 
00710             # Show form unless the user is already aware of this...
00711             if ( $blockNotConfirmed || $reblockNotAllowed ) {
00712                 return array( array( 'ipb_already_blocked', $block->getTarget() ) );
00713                 # Otherwise, try to update the block...
00714             } else {
00715                 # This returns direct blocks before autoblocks/rangeblocks, since we should
00716                 # be sure the user is blocked by now it should work for our purposes
00717                 $currentBlock = Block::newFromTarget( $target );
00718 
00719                 if ( $block->equals( $currentBlock ) ) {
00720                     return array( array( 'ipb_already_blocked', $block->getTarget() ) );
00721                 }
00722 
00723                 # If the name was hidden and the blocking user cannot hide
00724                 # names, then don't allow any block changes...
00725                 if ( $currentBlock->mHideName && !$performer->isAllowed( 'hideuser' ) ) {
00726                     return array( 'cant-see-hidden-user' );
00727                 }
00728 
00729                 $currentBlock->delete();
00730                 $status = $block->insert();
00731                 $logaction = 'reblock';
00732 
00733                 # Unset _deleted fields if requested
00734                 if ( $currentBlock->mHideName && !$data['HideUser'] ) {
00735                     RevisionDeleteUser::unsuppressUserName( $target, $userId );
00736                 }
00737 
00738                 # If hiding/unhiding a name, this should go in the private logs
00739                 if ( (bool)$currentBlock->mHideName ) {
00740                     $data['HideUser'] = true;
00741                 }
00742             }
00743         } else {
00744             $logaction = 'block';
00745         }
00746 
00747         wfRunHooks( 'BlockIpComplete', array( $block, $performer ) );
00748 
00749         # Set *_deleted fields if requested
00750         if ( $data['HideUser'] ) {
00751             RevisionDeleteUser::suppressUserName( $target, $userId );
00752         }
00753 
00754         # Can't watch a rangeblock
00755         if ( $type != Block::TYPE_RANGE && $data['Watch'] ) {
00756             WatchAction::doWatch( Title::makeTitle( NS_USER, $target ), $performer, WatchedItem::IGNORE_USER_RIGHTS );
00757         }
00758 
00759         # Block constructor sanitizes certain block options on insert
00760         $data['BlockEmail'] = $block->prevents( 'sendemail' );
00761         $data['AutoBlock'] = $block->isAutoblocking();
00762 
00763         # Prepare log parameters
00764         $logParams = array();
00765         $logParams[] = $data['Expiry'];
00766         $logParams[] = self::blockLogFlags( $data, $type );
00767 
00768         # Make log entry, if the name is hidden, put it in the oversight log
00769         $log_type = $data['HideUser'] ? 'suppress' : 'block';
00770         $log = new LogPage( $log_type );
00771         $log_id = $log->addEntry(
00772             $logaction,
00773             Title::makeTitle( NS_USER, $target ),
00774             $data['Reason'][0],
00775             $logParams,
00776             $performer
00777         );
00778         # Relate log ID to block IDs (bug 25763)
00779         $blockIds = array_merge( array( $status['id'] ), $status['autoIds'] );
00780         $log->addRelations( 'ipb_id', $blockIds, $log_id );
00781 
00782         # Report to the user
00783         return true;
00784     }
00785 
00794     public static function getSuggestedDurations( $lang = null ) {
00795         $a = array();
00796         $msg = $lang === null
00797             ? wfMessage( 'ipboptions' )->inContentLanguage()->text()
00798             : wfMessage( 'ipboptions' )->inLanguage( $lang )->text();
00799 
00800         if ( $msg == '-' ) {
00801             return array();
00802         }
00803 
00804         foreach ( explode( ',', $msg ) as $option ) {
00805             if ( strpos( $option, ':' ) === false ) {
00806                 $option = "$option:$option";
00807             }
00808 
00809             list( $show, $value ) = explode( ':', $option );
00810             $a[htmlspecialchars( $show )] = htmlspecialchars( $value );
00811         }
00812 
00813         return $a;
00814     }
00815 
00822     public static function parseExpiryInput( $expiry ) {
00823         static $infinity;
00824         if ( $infinity == null ) {
00825             $infinity = wfGetDB( DB_SLAVE )->getInfinity();
00826         }
00827 
00828         if ( $expiry == 'infinite' || $expiry == 'indefinite' ) {
00829             $expiry = $infinity;
00830         } else {
00831             $expiry = strtotime( $expiry );
00832 
00833             if ( $expiry < 0 || $expiry === false ) {
00834                 return false;
00835             }
00836 
00837             $expiry = wfTimestamp( TS_MW, $expiry );
00838         }
00839 
00840         return $expiry;
00841     }
00842 
00848     public static function canBlockEmail( $user ) {
00849         global $wgEnableUserEmail, $wgSysopEmailBans;
00850 
00851         return ( $wgEnableUserEmail && $wgSysopEmailBans && $user->isAllowed( 'blockemail' ) );
00852     }
00853 
00862     public static function checkUnblockSelf( $user, User $performer ) {
00863         if ( is_int( $user ) ) {
00864             $user = User::newFromId( $user );
00865         } elseif ( is_string( $user ) ) {
00866             $user = User::newFromName( $user );
00867         }
00868 
00869         if ( $performer->isBlocked() ) {
00870             if ( $user instanceof User && $user->getId() == $performer->getId() ) {
00871                 # User is trying to unblock themselves
00872                 if ( $performer->isAllowed( 'unblockself' ) ) {
00873                     return true;
00874                     # User blocked themselves and is now trying to reverse it
00875                 } elseif ( $performer->blockedBy() === $performer->getName() ) {
00876                     return true;
00877                 } else {
00878                     return 'ipbnounblockself';
00879                 }
00880             } else {
00881                 # User is trying to block/unblock someone else
00882                 return 'ipbblocked';
00883             }
00884         } else {
00885             return true;
00886         }
00887     }
00888 
00896     protected static function blockLogFlags( array $data, $type ) {
00897         global $wgBlockAllowsUTEdit;
00898         $flags = array();
00899 
00900         # when blocking a user the option 'anononly' is not available/has no effect
00901         # -> do not write this into log
00902         if ( !$data['HardBlock'] && $type != Block::TYPE_USER ) {
00903             // For grepping: message block-log-flags-anononly
00904             $flags[] = 'anononly';
00905         }
00906 
00907         if ( $data['CreateAccount'] ) {
00908             // For grepping: message block-log-flags-nocreate
00909             $flags[] = 'nocreate';
00910         }
00911 
00912         # Same as anononly, this is not displayed when blocking an IP address
00913         if ( !$data['AutoBlock'] && $type == Block::TYPE_USER ) {
00914             // For grepping: message block-log-flags-noautoblock
00915             $flags[] = 'noautoblock';
00916         }
00917 
00918         if ( $data['DisableEmail'] ) {
00919             // For grepping: message block-log-flags-noemail
00920             $flags[] = 'noemail';
00921         }
00922 
00923         if ( $wgBlockAllowsUTEdit && $data['DisableUTEdit'] ) {
00924             // For grepping: message block-log-flags-nousertalk
00925             $flags[] = 'nousertalk';
00926         }
00927 
00928         if ( $data['HideUser'] ) {
00929             // For grepping: message block-log-flags-hiddenname
00930             $flags[] = 'hiddenname';
00931         }
00932 
00933         return implode( ',', $flags );
00934     }
00935 
00941     public function onSubmit( array $data ) {
00942         // This isn't used since we need that HTMLForm that's passed in the
00943         // second parameter. See alterForm for the real function
00944     }
00945 
00950     public function onSuccess() {
00951         $out = $this->getOutput();
00952         $out->setPageTitle( $this->msg( 'blockipsuccesssub' ) );
00953         $out->addWikiMsg( 'blockipsuccesstext', wfEscapeWikiText( $this->target ) );
00954     }
00955 
00956     protected function getGroupName() {
00957         return 'users';
00958     }
00959 }
00960 
00961 # BC @since 1.18
00962 class IPBlockForm extends SpecialBlock {
00963 }