includes/specials/SpecialBlockip.php

   1 <?php
   2 /**
   3  * Constructor for Special:Blockip page
   4  *
   5  * @file
   6  * @ingroup SpecialPage
   7  */
   8
   9 /**
  10  * Constructor
  11  */
  12 function wfSpecialBlockip( $par ) {
  13         global $wgUser, $wgOut, $wgRequest;
  14
  15         # Can't block when the database is locked
  16         if( wfReadOnly() ) {
  17                 $wgOut->readOnlyPage();
  18                 return;
  19         }
  20
  21         # Permission check
  22         if( !$wgUser->isAllowed( 'block' ) ) {
  23                 $wgOut->permissionRequired( 'block' );
  24                 return;
  25         }
  26
  27         $ipb = new IPBlockForm( $par );
  28
  29         $action = $wgRequest->getVal( 'action' );
  30         if ( 'success' == $action ) {
  31                 $ipb->showSuccess();
  32         } else if ( $wgRequest->wasPosted() && 'submit' == $action &&
  33                 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  34                 $ipb->doSubmit();
  35         } else {
  36                 $ipb->showForm( '' );
  37         }
  38 }
  39
  40 /**
  41  * Form object for the Special:Blockip page.
  42  *
  43  * @ingroup SpecialPage
  44  */
  45 class IPBlockForm {
  46         var $BlockAddress, $BlockExpiry, $BlockReason;
  47 #       var $BlockEmail;
  48
  49         function IPBlockForm( $par ) {
  50                 global $wgRequest, $wgUser, $wgBlockAllowsUTEdit;
  51
  52                 $this->BlockAddress = $wgRequest->getVal( 'wpBlockAddress', $wgRequest->getVal( 'ip', $par ) );
  53                 $this->BlockAddress = strtr( $this->BlockAddress, '_', ' ' );
  54                 $this->BlockReason = $wgRequest->getText( 'wpBlockReason' );
  55                 $this->BlockReasonList = $wgRequest->getText( 'wpBlockReasonList' );
  56                 $this->BlockExpiry = $wgRequest->getVal( 'wpBlockExpiry', wfMsg('ipbotheroption') );
  57                 $this->BlockOther = $wgRequest->getVal( 'wpBlockOther', '' );
  58
  59                 # Unchecked checkboxes are not included in the form data at all, so having one
  60                 # that is true by default is a bit tricky
  61                 $byDefault = !$wgRequest->wasPosted();
  62                 $this->BlockAnonOnly = $wgRequest->getBool( 'wpAnonOnly', $byDefault );
  63                 $this->BlockCreateAccount = $wgRequest->getBool( 'wpCreateAccount', $byDefault );
  64                 $this->BlockEnableAutoblock = $wgRequest->getBool( 'wpEnableAutoblock', $byDefault );
  65                 $this->BlockEmail = $wgRequest->getBool( 'wpEmailBan', false );
  66                 $this->BlockWatchUser = $wgRequest->getBool( 'wpWatchUser', false );
  67                 # Re-check user's rights to hide names, very serious, defaults to 0
  68                 $this->BlockHideName = ( $wgRequest->getBool( 'wpHideName', 0 ) && $wgUser->isAllowed( 'hideuser' ) ) ? 1 : 0;
  69                 $this->BlockAllowUsertalk = ( $wgRequest->getBool( 'wpAllowUsertalk', $byDefault ) && $wgBlockAllowsUTEdit );
  70                 $this->BlockReblock = $wgRequest->getBool( 'wpChangeBlock', false );
  71         }
  72
  73         function showForm( $err ) {
  74                 global $wgOut, $wgUser, $wgSysopUserBans;
  75
  76                 $wgOut->setPagetitle( wfMsg( 'blockip' ) );
  77                 $wgOut->addWikiMsg( 'blockiptext' );
  78
  79                 if($wgSysopUserBans) {
  80                         $mIpaddress = Xml::label( wfMsg( 'ipadressorusername' ), 'mw-bi-target' );
  81                 } else {
  82                         $mIpaddress = Xml::label( wfMsg( 'ipaddress' ), 'mw-bi-target' );
  83                 }
  84                 $mIpbexpiry = Xml::label( wfMsg( 'ipbexpiry' ), 'wpBlockExpiry' );
  85                 $mIpbother = Xml::label( wfMsg( 'ipbother' ), 'mw-bi-other' );
  86                 $mIpbreasonother = Xml::label( wfMsg( 'ipbreason' ), 'wpBlockReasonList' );
  87                 $mIpbreason = Xml::label( wfMsg( 'ipbotherreason' ), 'mw-bi-reason' );
  88
  89                 $titleObj = SpecialPage::getTitleFor( 'Blockip' );
  90                 $user = User::newFromName( $this->BlockAddress );
  91
  92                 $alreadyBlocked = false;
  93                 if ( $err && $err[0] != 'ipb_already_blocked' ) {
  94                         $key = array_shift($err);
  95                         $msg = wfMsgReal($key, $err);
  96                         $wgOut->setSubtitle( wfMsgHtml( 'formerror' ) );
  97                         $wgOut->addHTML( Xml::tags( 'p', array( 'class' => 'error' ), $msg ) );
  98                 } elseif ( $this->BlockAddress ) {
  99                         $userId = 0;
 100                         if ( is_object( $user ) )
 101                                 $userId = $user->getId();
 102                         $currentBlock = Block::newFromDB( $this->BlockAddress, $userId );
 103                         if ( !is_null($currentBlock) && !$currentBlock->mAuto && # The block exists and isn't an autoblock
 104                                 ( $currentBlock->mRangeStart == $currentBlock->mRangeEnd || # The block isn't a rangeblock
 105                                 # or if it is, the range is what we're about to block
 106                                 ( $currentBlock->mAddress == $this->BlockAddress ) ) ) {
 107                                         $wgOut->addWikiMsg( 'ipb-needreblock', $this->BlockAddress );
 108                                         $alreadyBlocked = true;
 109                                         # Set the block form settings to the existing block
 110                                         $this->BlockAnonOnly = $currentBlock->mAnonOnly;
 111                                         $this->BlockCreateAccount = $currentBlock->mCreateAccount;
 112                                         $this->BlockEnableAutoblock = $currentBlock->mEnableAutoblock;
 113                                         $this->BlockEmail = $currentBlock->mBlockEmail;
 114                                         $this->BlockHideName = $currentBlock->mHideName;
 115                                         $this->BlockAllowUsertalk = $currentBlock->mAllowUsertalk;
 116                                         if( $currentBlock->mExpiry == 'infinity' ) {
 117                                                 $this->BlockOther = 'indefinite';
 118                                         } else {
 119                                                 $this->BlockOther = wfTimestamp( TS_ISO_8601, $currentBlock->mExpiry );
 120                                         }
 121                                         $this->BlockReason = $currentBlock->mReason;
 122                         }
 123                 }
 124
 125                 $scBlockExpiryOptions = wfMsgForContent( 'ipboptions' );
 126
 127                 $showblockoptions = $scBlockExpiryOptions != '-';
 128                 if (!$showblockoptions)
 129                         $mIpbother = $mIpbexpiry;
 130
 131                 $blockExpiryFormOptions = Xml::option( wfMsg( 'ipbotheroption' ), 'other' );
 132                 foreach (explode(',', $scBlockExpiryOptions) as $option) {
 133                         if ( strpos($option, ":") === false ) $option = "$option:$option";
 134                         list($show, $value) = explode(":", $option);
 135                         $show = htmlspecialchars($show);
 136                         $value = htmlspecialchars($value);
 137                         $blockExpiryFormOptions .= Xml::option( $show, $value, $this->BlockExpiry === $value ? true : false ) . "\n";
 138                 }
 139
 140                 $reasonDropDown = Xml::listDropDown( 'wpBlockReasonList',
 141                         wfMsgForContent( 'ipbreason-dropdown' ),
 142                         wfMsgForContent( 'ipbreasonotherlist' ), $this->BlockReasonList, 'wpBlockDropDown', 4 );
 143
 144                 global $wgStylePath, $wgStyleVersion;
 145                 $wgOut->addHTML(
 146                         Xml::tags( 'script', array( 'type' => 'text/javascript', 'src' => "$wgStylePath/common/block.js?$wgStyleVersion" ), '' ) .
 147                         Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( "action=submit" ), 'id' => 'blockip' ) ) .
 148                         Xml::openElement( 'fieldset' ) .
 149                         Xml::element( 'legend', null, wfMsg( 'blockip-legend' ) ) .
 150                         Xml::openElement( 'table', array ( 'border' => '0', 'id' => 'mw-blockip-table' ) ) .
 151                         "<tr>
 152                                 <td class='mw-label'>
 153                                         {$mIpaddress}
 154                                 </td>
 155                                 <td class='mw-input'>" .
 156                                         Xml::input( 'wpBlockAddress', 45, $this->BlockAddress,
 157                                                 array(
 158                                                         'tabindex' => '1',
 159                                                         'id' => 'mw-bi-target',
 160                                                         'onchange' => 'updateBlockOptions()' ) ). "
 161                                 </td>
 162                         </tr>
 163                         <tr>"
 164                 );
 165                 if ( $showblockoptions ) {
 166                         $wgOut->addHTML("
 167                                 <td class='mw-label'>
 168                                         {$mIpbexpiry}
 169                                 </td>
 170                                 <td class='mw-input'>" .
 171                                         Xml::tags( 'select',
 172                                                 array(
 173                                                         'id' => 'wpBlockExpiry',
 174                                                         'name' => 'wpBlockExpiry',
 175                                                         'onchange' => 'considerChangingExpiryFocus()',
 176                                                         'tabindex' => '2' ),
 177                                                 $blockExpiryFormOptions ) .
 178                                 "</td>"
 179                         );
 180                 }
 181                 $wgOut->addHTML("
 182                         </tr>
 183                         <tr id='wpBlockOther'>
 184                                 <td class='mw-label'>
 185                                         {$mIpbother}
 186                                 </td>
 187                                 <td class='mw-input'>" .
 188                                         Xml::input( 'wpBlockOther', 45, $this->BlockOther,
 189                                                 array( 'tabindex' => '3', 'id' => 'mw-bi-other' ) ) . "
 190                                 </td>
 191                         </tr>
 192                         <tr>
 193                                 <td class='mw-label'>
 194                                         {$mIpbreasonother}
 195                                 </td>
 196                                 <td class='mw-input'>
 197                                         {$reasonDropDown}
 198                                 </td>
 199                         </tr>
 200                         <tr id=\"wpBlockReason\">
 201                                 <td class='mw-label'>
 202                                         {$mIpbreason}
 203                                 </td>
 204                                 <td class='mw-input'>" .
 205                                         Xml::input( 'wpBlockReason', 45, $this->BlockReason,
 206                                                 array( 'tabindex' => '5', 'id' => 'mw-bi-reason', 'maxlength'=> '200' ) ) . "
 207                                 </td>
 208                         </tr>
 209                         <tr id='wpAnonOnlyRow'>
 210                                 <td>&nbsp;</td>
 211                                 <td class='mw-input'>" .
 212                                 Xml::checkLabel( wfMsg( 'ipbanononly' ),
 213                                                 'wpAnonOnly', 'wpAnonOnly', $this->BlockAnonOnly,
 214                                                 array( 'tabindex' => '6' ) ) . "
 215                                 </td>
 216                         </tr>
 217                         <tr id='wpCreateAccountRow'>
 218                                 <td>&nbsp;</td>
 219                                 <td class='mw-input'>" .
 220                                         Xml::checkLabel( wfMsg( 'ipbcreateaccount' ),
 221                                                 'wpCreateAccount', 'wpCreateAccount', $this->BlockCreateAccount,
 222                                                 array( 'tabindex' => '7' ) ) . "
 223                                 </td>
 224                         </tr>
 225                         <tr id='wpEnableAutoblockRow'>
 226                                 <td>&nbsp;</td>
 227                                 <td class='mw-input'>" .
 228                                         Xml::checkLabel( wfMsg( 'ipbenableautoblock' ),
 229                                                 'wpEnableAutoblock', 'wpEnableAutoblock', $this->BlockEnableAutoblock,
 230                                                 array( 'tabindex' => '8' ) ) . "
 231                                 </td>
 232                         </tr>"
 233                 );
 234
 235                 global $wgSysopEmailBans, $wgBlockAllowsUTEdit;
 236                 if ( $wgSysopEmailBans && $wgUser->isAllowed( 'blockemail' ) ) {
 237                         $wgOut->addHTML("
 238                                 <tr id='wpEnableEmailBan'>
 239                                         <td>&nbsp;</td>
 240                                         <td class='mw-input'>" .
 241                                                 Xml::checkLabel( wfMsg( 'ipbemailban' ),
 242                                                         'wpEmailBan', 'wpEmailBan', $this->BlockEmail,
 243                                                         array( 'tabindex' => '9' )) . "
 244                                         </td>
 245                                 </tr>"
 246                         );
 247                 }
 248
 249                 // Allow some users to hide name from block log, blocklist and listusers
 250                 if ( $wgUser->isAllowed( 'hideuser' ) ) {
 251                         $wgOut->addHTML("
 252                                 <tr id='wpEnableHideUser'>
 253                                         <td>&nbsp;</td>
 254                                         <td class='mw-input'><strong>" .
 255                                                 Xml::checkLabel( wfMsg( 'ipbhidename' ),
 256                                                         'wpHideName', 'wpHideName', $this->BlockHideName,
 257                                                         array( 'tabindex' => '10' ) ) . "
 258                                         </strong></td>
 259                                 </tr>"
 260                         );
 261                 }
 262
 263                 # Watchlist their user page?
 264                 $wgOut->addHTML("
 265                         <tr id='wpEnableWatchUser'>
 266                                 <td>&nbsp;</td>
 267                                 <td class='mw-input'>" .
 268                                         Xml::checkLabel( wfMsg( 'ipbwatchuser' ),
 269                                                 'wpWatchUser', 'wpWatchUser', $this->BlockWatchUser,
 270                                                 array( 'tabindex' => '11' ) ) . "
 271                                 </td>
 272                         </tr>"
 273                 );
 274                 if( $wgBlockAllowsUTEdit ){
 275                         $wgOut->addHTML("
 276                                 <tr id='wpAllowUsertalkRow'>
 277                                         <td>&nbsp;</td>
 278                                         <td class='mw-input'>" .
 279                                                 Xml::checkLabel( wfMsg( 'ipballowusertalk' ),
 280                                                         'wpAllowUsertalk', 'wpAllowUsertalk', $this->BlockAllowUsertalk,
 281                                                         array( 'tabindex' => '12' ) ) . "
 282                                         </td>
 283                                 </tr>"
 284                         );
 285                 }
 286
 287                 $wgOut->addHTML("
 288                         <tr>
 289                                 <td style='padding-top: 1em'>&nbsp;</td>
 290                                 <td  class='mw-submit' style='padding-top: 1em'>" .
 291                                         Xml::submitButton( wfMsg( $alreadyBlocked ? 'ipb-change-block' : 'ipbsubmit' ),
 292                                                 array( 'name' => 'wpBlock', 'tabindex' => '13', 'accesskey' => 's' ) ) . "
 293                                 </td>
 294                         </tr>" .
 295                         Xml::closeElement( 'table' ) .
 296                         Xml::hidden( 'wpEditToken', $wgUser->editToken() ) .
 297                         ( $alreadyBlocked ? Xml::hidden( 'wpChangeBlock', 1 ) : "" ) .
 298                         Xml::closeElement( 'fieldset' ) .
 299                         Xml::closeElement( 'form' ) .
 300                         Xml::tags( 'script', array( 'type' => 'text/javascript' ), 'updateBlockOptions()' ) . "\n"
 301                 );
 302
 303                 $wgOut->addHTML( $this->getConvenienceLinks() );
 304
 305                 if( is_object( $user ) ) {
 306                         $this->showLogFragment( $wgOut, $user->getUserPage() );
 307                 } elseif( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $this->BlockAddress ) ) {
 308                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 309                 } elseif( preg_match( '/^\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}/', $this->BlockAddress ) ) {
 310                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 311                 }
 312         }
 313
 314         /**
 315          * Backend block code.
 316          * $userID and $expiry will be filled accordingly
 317          * @return array(message key, arguments) on failure, empty array on success
 318          */
 319         function doBlock( &$userId = null, &$expiry = null ) {
 320                 global $wgUser, $wgSysopUserBans, $wgSysopRangeBans, $wgBlockAllowsUTEdit;
 321
 322                 $userId = 0;
 323                 # Expand valid IPv6 addresses, usernames are left as is
 324                 $this->BlockAddress = IP::sanitizeIP( $this->BlockAddress );
 325                 # isIPv4() and IPv6() are used for final validation
 326                 $rxIP4 = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
 327                 $rxIP6 = '\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}:\w{1,4}';
 328                 $rxIP = "($rxIP4|$rxIP6)";
 329
 330                 # Check for invalid specifications
 331                 if ( !preg_match( "/^$rxIP$/", $this->BlockAddress ) ) {
 332                         $matches = array();
 333                         if ( preg_match( "/^($rxIP4)\\/(\\d{1,2})$/", $this->BlockAddress, $matches ) ) {
 334                                 # IPv4
 335                                 if ( $wgSysopRangeBans ) {
 336                                         if ( !IP::isIPv4( $this->BlockAddress ) || $matches[2] < 16 || $matches[2] > 32 ) {
 337                                                 return array('ip_range_invalid');
 338                                         }
 339                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 340                                 } else {
 341                                         # Range block illegal
 342                                         return array('range_block_disabled');
 343                                 }
 344                         } else if ( preg_match( "/^($rxIP6)\\/(\\d{1,3})$/", $this->BlockAddress, $matches ) ) {
 345                                 # IPv6
 346                                 if ( $wgSysopRangeBans ) {
 347                                         if ( !IP::isIPv6( $this->BlockAddress ) || $matches[2] < 64 || $matches[2] > 128 ) {
 348                                                 return array('ip_range_invalid');
 349                                         }
 350                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 351                                 } else {
 352                                         # Range block illegal
 353                                         return array('range_block_disabled');
 354                                 }
 355                         } else {
 356                                 # Username block
 357                                 if ( $wgSysopUserBans ) {
 358                                         $user = User::newFromName( $this->BlockAddress );
 359                                         if( !is_null( $user ) && $user->getId() ) {
 360                                                 # Use canonical name
 361                                                 $userId = $user->getId();
 362                                                 $this->BlockAddress = $user->getName();
 363                                         } else {
 364                                                 return array('nosuchusershort', htmlspecialchars( $user ? $user->getName() : $this->BlockAddress ) );
 365                                         }
 366                                 } else {
 367                                         return array('badipaddress');
 368                                 }
 369                         }
 370                 }
 371
 372                 if ( $wgUser->isBlocked() && ( $wgUser->getId() !== $userId ) ) {
 373                         return array( 'cant-block-while-blocked' );
 374                 }
 375
 376                 $reasonstr = $this->BlockReasonList;
 377                 if ( $reasonstr != 'other' && $this->BlockReason != '' ) {
 378                         // Entry from drop down menu + additional comment
 379                         $reasonstr .= wfMsgForContent( 'colon-separator' ) . $this->BlockReason;
 380                 } elseif ( $reasonstr == 'other' ) {
 381                         $reasonstr = $this->BlockReason;
 382                 }
 383
 384                 $expirestr = $this->BlockExpiry;
 385                 if( $expirestr == 'other' )
 386                         $expirestr = $this->BlockOther;
 387
 388                 if ( ( strlen( $expirestr ) == 0) || ( strlen( $expirestr ) > 50) ) {
 389                         return array('ipb_expiry_invalid');
 390                 }
 391
 392                 if ( false === ($expiry = Block::parseExpiryInput( $expirestr )) ) {
 393                         // Bad expiry.
 394                         return array('ipb_expiry_invalid');
 395                 }
 396
 397                 if( $this->BlockHideName ) {
 398                         // Recheck params here...
 399                         if( !$userId || !$wgUser->isAllowed('hideuser') ) {
 400                                 // IP users should not be hidden
 401                                 $this->BlockHideName = false;
 402                         } else if( $expiry !== 'infinity' ) {
 403                                 // Bad expiry.
 404                                 return array('ipb_expiry_temp');
 405                         } else if( User::edits($userId) > 3000 ) {
 406                                 // Typically, the user should have a handful of edits.
 407                                 // Disallow hiding users with many edits for performance.
 408                                 return array('ipb_hide_invalid');
 409                         }
 410                 }
 411
 412                 # Create block
 413                 # Note: for a user block, ipb_address is only for display purposes
 414                 $block = new Block( $this->BlockAddress, $userId, $wgUser->getId(),
 415                         $reasonstr, wfTimestampNow(), 0, $expiry, $this->BlockAnonOnly,
 416                         $this->BlockCreateAccount, $this->BlockEnableAutoblock, $this->BlockHideName,
 417                         $this->BlockEmail, isset( $this->BlockAllowUsertalk ) ? $this->BlockAllowUsertalk : $wgBlockAllowsUTEdit
 418                 );
 419
 420                 # Should this be privately logged?
 421                 $suppressLog = (bool)$this->BlockHideName;
 422                 if ( wfRunHooks('BlockIp', array(&$block, &$wgUser)) ) {
 423                         # Try to insert block. Is there a conflicting block?
 424                         if ( !$block->insert() ) {
 425                                 # Show form unless the user is already aware of this...
 426                                 if ( !$this->BlockReblock ) {
 427                                         return array( 'ipb_already_blocked' );
 428                                 # Otherwise, try to update the block...
 429                                 } else {
 430                                         # This returns direct blocks before autoblocks/rangeblocks, since we should
 431                                         # be sure the user is blocked by now it should work for our purposes
 432                                         $currentBlock = Block::newFromDB( $this->BlockAddress, $userId );
 433                                         if( $block->equals( $currentBlock ) ) {
 434                                                 return array( 'ipb_already_blocked' );
 435                                         }
 436                                         # If the name was hidden and the blocking user cannot hide
 437                                         # names, then don't allow any block changes...
 438                                         if( $currentBlock->mHideName && !$wgUser->isAllowed('hideuser') ) {
 439                                                 return array( 'hookaborted' );
 440                                         }
 441                                         $currentBlock->delete();
 442                                         $block->insert();
 443                                         # If hiding/unhiding a name, this should go in the private logs
 444                                         $suppressLog = $suppressLog || (bool)$currentBlock->mHideName;
 445                                         $log_action = 'reblock';
 446                                         # Unset _deleted fields if requested
 447                                         if( $currentBlock->mHideName && !$this->BlockHideName ) {
 448                                                 self::unsuppressUserName( $this->BlockAddress, $userId );
 449                                         }
 450                                 }
 451                         } else {
 452                                 $log_action = 'block';
 453                         }
 454                         wfRunHooks('BlockIpComplete', array($block, $wgUser));
 455
 456                         # Set *_deleted fields if requested
 457                         if( $this->BlockHideName ) {
 458                                 self::suppressUserName( $this->BlockAddress, $userId );
 459                         }
 460
 461                         if ( $this->BlockWatchUser &&
 462                                 # Only show watch link when this is no range block
 463                                 $block->mRangeStart == $block->mRangeEnd) {
 464                                 $wgUser->addWatch ( Title::makeTitle( NS_USER, $this->BlockAddress ) );
 465                         }
 466
 467                         # Block constructor sanitizes certain block options on insert
 468                         $this->BlockEmail = $block->mBlockEmail;
 469                         $this->BlockEnableAutoblock = $block->mEnableAutoblock;
 470
 471                         # Prepare log parameters
 472                         $logParams = array();
 473                         $logParams[] = $expirestr;
 474                         $logParams[] = $this->blockLogFlags();
 475
 476                         # Make log entry, if the name is hidden, put it in the oversight log
 477                         $log_type = $suppressLog ? 'suppress' : 'block';
 478                         $log = new LogPage( $log_type );
 479                         $log->addEntry( $log_action, Title::makeTitle( NS_USER, $this->BlockAddress ),
 480                           $reasonstr, $logParams );
 481
 482                         # Report to the user
 483                         return array();
 484                 } else {
 485                         return array('hookaborted');
 486                 }
 487         }
 488
 489         public static function suppressUserName( $name, $userId ) {
 490                 $op = '|'; // bitwise OR
 491                 return self::setUsernameBitfields( $name, $userId, $op );
 492         }
 493
 494         public static function unsuppressUserName( $name, $userId ) {
 495                 $op = '&'; // bitwise AND
 496                 return self::setUsernameBitfields( $name, $userId, $op );
 497         }
 498
 499         private static function setUsernameBitfields( $name, $userId, $op ) {
 500                 if( $op !== '|' && $op !== '&' ) return false; // sanity check
 501                 $dbw = wfGetDB( DB_MASTER );
 502                 $delUser = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
 503                 $delAction = LogPage::DELETED_ACTION | Revision::DELETED_RESTRICTED;
 504                 # Normalize user name
 505                 $userTitle = Title::makeTitleSafe( NS_USER, $name );
 506                 $userDbKey = $userTitle->getDBKey();
 507                 # To suppress, we OR the current bitfields with Revision::DELETED_USER
 508                 # to put a 1 in the username *_deleted bit. To unsuppress we AND the
 509                 # current bitfields with the inverse of Revision::DELETED_USER. The
 510                 # username bit is made to 0 (x & 0 = 0), while others are unchanged (x & 1 = x).
 511                 # The same goes for the sysop-restricted *_deleted bit.
 512                 if( $op == '&' ) {
 513                         $delUser = "~{$delUser}";
 514                         $delAction = "~{$delAction}";
 515                 }
 516                 # Hide name from live edits
 517                 $dbw->update( 'revision', array("rev_deleted = rev_deleted $op $delUser"),
 518                         array('rev_user' => $userId), __METHOD__ );
 519                 # Hide name from deleted edits
 520                 $dbw->update( 'archive', array("ar_deleted = ar_deleted $op $delUser"),
 521                         array('ar_user_text' => $userId), __METHOD__ );
 522                 # Hide name from logs
 523                 $dbw->update( 'logging', array("log_deleted = log_deleted $op $delUser"),
 524                         array('log_user' => $userId, "log_type != 'suppress'"), __METHOD__ );
 525                 $dbw->update( 'logging', array("log_deleted = log_deleted $op $delAction"),
 526                         array('log_namespace' => NS_USER, 'log_title' => $userDbKey,
 527                                 "log_type != 'suppress'"), __METHOD__ );
 528                 # Hide name from RC
 529                 $dbw->update( 'recentchanges', array("rc_deleted = rc_deleted $op $delUser"),
 530                         array('rc_user_text' => $name), __METHOD__ );
 531                 $dbw->update( 'recentchanges', array("rc_deleted = rc_deleted $op $delAction"),
 532                         array('rc_namespace' => NS_USER, 'rc_title' => $userDbKey, 'rc_logid > 0'), __METHOD__ );
 533                 # Hide name from live images
 534                 $dbw->update( 'oldimage', array("oi_deleted = oi_deleted $op $delUser"),
 535                         array('oi_user_text' => $name), __METHOD__ );
 536                 # Hide name from deleted images
 537                 # WMF - schema change pending
 538                 # $dbw->update( 'filearchive', array("fa_deleted = fa_deleted $op $delUser"),
 539                 #       array('fa_user_text' => $name), __METHOD__ );
 540                 # Done!
 541                 return true;
 542         }
 543
 544         /**
 545          * UI entry point for blocking
 546          * Wraps around doBlock()
 547          */
 548         function doSubmit()
 549         {
 550                 global $wgOut;
 551                 $retval = $this->doBlock();
 552                 if(empty($retval)) {
 553                         $titleObj = SpecialPage::getTitleFor( 'Blockip' );
 554                         $wgOut->redirect( $titleObj->getFullURL( 'action=success&ip=' .
 555                                 urlencode( $this->BlockAddress ) ) );
 556                         return;
 557                 }
 558                 $this->showForm( $retval );
 559         }
 560
 561         function showSuccess() {
 562                 global $wgOut;
 563
 564                 $wgOut->setPagetitle( wfMsg( 'blockip' ) );
 565                 $wgOut->setSubtitle( wfMsg( 'blockipsuccesssub' ) );
 566                 $text = wfMsgExt( 'blockipsuccesstext', array( 'parse' ), $this->BlockAddress );
 567                 $wgOut->addHTML( $text );
 568         }
 569
 570         function showLogFragment( $out, $title ) {
 571                 global $wgUser;
 572                 $out->addHTML( Xml::element( 'h2', NULL, LogPage::logName( 'block' ) ) );
 573                 $count = LogEventsList::showLogExtract( $out, 'block', $title->getPrefixedText(), '', 10 );
 574                 if( $count > 10 ) {
 575                         $out->addHTML( $wgUser->getSkin()->link(
 576                                 SpecialPage::getTitleFor( 'Log' ),
 577                                 wfMsgHtml( 'blocklog-fulllog' ),
 578                                 array(),
 579                                 array(
 580                                         'type' => 'block',
 581                                         'page' => $title->getPrefixedText() ) ) );
 582                 }
 583                 // Add suppression block entries if allowed
 584                 if( $wgUser->isAllowed('hideuser') ) {
 585                         $out->addHTML( Xml::element( 'h2', NULL, LogPage::logName( 'suppress' ) ) );
 586                         LogEventsList::showLogExtract( $out, 'suppress', $title->getPrefixedText(), '',
 587                                 10, array('log_action' => array('block','reblock','unblock')) );
 588                 }
 589         }
 590
 591         /**
 592          * Return a comma-delimited list of "flags" to be passed to the log
 593          * reader for this block, to provide more information in the logs
 594          *
 595          * @return array
 596          */
 597         private function blockLogFlags() {
 598                 global $wgBlockAllowsUTEdit;
 599                 $flags = array();
 600                 if( $this->BlockAnonOnly && IP::isIPAddress( $this->BlockAddress ) )
 601                         // when blocking a user the option 'anononly' is not available/has no effect -> do not write this into log
 602                         $flags[] = 'anononly';
 603                 if( $this->BlockCreateAccount )
 604                         $flags[] = 'nocreate';
 605                 if( !$this->BlockEnableAutoblock && !IP::isIPAddress( $this->BlockAddress ) )
 606                         // Same as anononly, this is not displayed when blocking an IP address
 607                         $flags[] = 'noautoblock';
 608                 if ( $this->BlockEmail )
 609                         $flags[] = 'noemail';
 610                 if ( !$this->BlockAllowUsertalk && $wgBlockAllowsUTEdit )
 611                         $flags[] = 'nousertalk';
 612                 if ( $this->BlockHideName )
 613                         $flags[] = 'hiddenname';
 614                 return implode( ',', $flags );
 615         }
 616
 617         /**
 618          * Builds unblock and block list links
 619          *
 620          * @return string
 621          */
 622         private function getConvenienceLinks() {
 623                 global $wgUser, $wgLang;
 624                 $skin = $wgUser->getSkin();
 625                 if( $this->BlockAddress )
 626                         $links[] = $this->getContribsLink( $skin );
 627                 $links[] = $this->getUnblockLink( $skin );
 628                 $links[] = $this->getBlockListLink( $skin );
 629                 $links[] = $skin->makeLink ( 'MediaWiki:Ipbreason-dropdown', wfMsgHtml( 'ipb-edit-dropdown' ) );
 630                 return '<p class="mw-ipb-conveniencelinks">' . $wgLang->pipeList( $links ) . '</p>';
 631         }
 632
 633         /**
 634          * Build a convenient link to a user or IP's contribs
 635          * form
 636          *
 637          * @param $skin Skin to use
 638          * @return string
 639          */
 640         private function getContribsLink( $skin ) {
 641                 $contribsPage = SpecialPage::getTitleFor( 'Contributions', $this->BlockAddress );
 642                 return $skin->link( $contribsPage, wfMsgHtml( 'ipb-blocklist-contribs', $this->BlockAddress ) );
 643         }
 644
 645         /**
 646          * Build a convenient link to unblock the given username or IP
 647          * address, if available; otherwise link to a blank unblock
 648          * form
 649          *
 650          * @param $skin Skin to use
 651          * @return string
 652          */
 653         private function getUnblockLink( $skin ) {
 654                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 655                 if( $this->BlockAddress ) {
 656                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 657                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock-addr', $addr ),
 658                                 'action=unblock&ip=' . urlencode( $this->BlockAddress ) );
 659                 } else {
 660                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock' ),      'action=unblock' );
 661                 }
 662         }
 663
 664         /**
 665          * Build a convenience link to the block list
 666          *
 667          * @param $skin Skin to use
 668          * @return string
 669          */
 670         private function getBlockListLink( $skin ) {
 671                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 672                 if( $this->BlockAddress ) {
 673                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 674                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist-addr', $addr ),
 675                                 'ip=' . urlencode( $this->BlockAddress ) );
 676                 } else {
 677                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist' ) );
 678                 }
 679         }
 680
 681         /**
 682         * Block a list of selected users
 683         * @param array $users
 684         * @param string $reason
 685         * @param string $tag replaces user pages
 686         * @param string $talkTag replaces user talk pages
 687         * @returns array, list of html-safe usernames
 688         */
 689         public static function doMassUserBlock( $users, $reason = '', $tag = '', $talkTag = '' ) {
 690                 global $wgUser;
 691                 $counter = $blockSize = 0;
 692                 $safeUsers = array();
 693                 $log = new LogPage( 'block' );
 694                 foreach( $users as $name ) {
 695                         # Enforce limits
 696                         $counter++;
 697                         $blockSize++;
 698                         # Lets not go *too* fast
 699                         if( $blockSize >= 20 ) {
 700                                 $blockSize = 0;
 701                                 wfWaitForSlaves( 5 );
 702                         }
 703                         $u = User::newFromName( $name, false );
 704                         // If user doesn't exist, it ought to be an IP then
 705                         if( is_null($u) || (!$u->getId() && !IP::isIPAddress( $u->getName() )) ) {
 706                                 continue;
 707                         }
 708                         $userTitle = $u->getUserPage();
 709                         $userTalkTitle = $u->getTalkPage();
 710                         $userpage = new Article( $userTitle );
 711                         $usertalk = new Article( $userTalkTitle );
 712                         $safeUsers[] = '[[' . $userTitle->getPrefixedText() . '|' . $userTitle->getText() . ']]';
 713                         $expirestr = $u->getId() ? 'indefinite' : '1 week';
 714                         $expiry = Block::parseExpiryInput( $expirestr );
 715                         $anonOnly = IP::isIPAddress( $u->getName() ) ? 1 : 0;
 716                         // Create the block
 717                         $block = new Block( $u->getName(), // victim
 718                                 $u->getId(), // uid
 719                                 $wgUser->getId(), // blocker
 720                                 $reason, // comment
 721                                 wfTimestampNow(), // block time
 722                                 0, // auto ?
 723                                 $expiry, // duration
 724                                 $anonOnly, // anononly?
 725                                 1, // block account creation?
 726                                 1, // autoblocking?
 727                                 0, // suppress name?
 728                                 0 // block from sending email?
 729                         );
 730                         $oldblock = Block::newFromDB( $u->getName(), $u->getId() );
 731                         if( !$oldblock ) {
 732                                 $block->insert();
 733                                 # Prepare log parameters
 734                                 $logParams = array();
 735                                 $logParams[] = $expirestr;
 736                                 if( $anonOnly ) {
 737                                         $logParams[] = 'anononly';
 738                                 }
 739                                 $logParams[] = 'nocreate';
 740                                 # Add log entry
 741                                 $log->addEntry( 'block', $userTitle, $reason, $logParams );
 742                         }
 743                         # Tag userpage! (check length to avoid mistakes)
 744                         if( strlen($tag) > 2 ) {
 745                                 $userpage->doEdit( $tag, $reason, EDIT_MINOR );
 746                         }
 747                         if( strlen($talkTag) > 2 ) {
 748                                 $usertalk->doEdit( $talkTag, $reason, EDIT_MINOR );
 749                         }
 750                 }
 751                 return $safeUsers;
 752         }
 753 }