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         // The maximum number of edits a user can have and still be hidden
  49         const HIDEUSER_CONTRIBLIMIT = 1000;
  50
  51         function IPBlockForm( $par ) {
  52                 global $wgRequest, $wgUser, $wgBlockAllowsUTEdit;
  53
  54                 $this->BlockAddress = $wgRequest->getVal( 'wpBlockAddress', $wgRequest->getVal( 'ip', $par ) );
  55                 $this->BlockAddress = strtr( $this->BlockAddress, '_', ' ' );
  56                 $this->BlockReason = $wgRequest->getText( 'wpBlockReason' );
  57                 $this->BlockReasonList = $wgRequest->getText( 'wpBlockReasonList' );
  58                 $this->BlockExpiry = $wgRequest->getVal( 'wpBlockExpiry', wfMsg('ipbotheroption') );
  59                 $this->BlockOther = $wgRequest->getVal( 'wpBlockOther', '' );
  60
  61                 # Unchecked checkboxes are not included in the form data at all, so having one
  62                 # that is true by default is a bit tricky
  63                 $byDefault = !$wgRequest->wasPosted();
  64                 $this->BlockAnonOnly = $wgRequest->getBool( 'wpAnonOnly', $byDefault );
  65                 $this->BlockCreateAccount = $wgRequest->getBool( 'wpCreateAccount', $byDefault );
  66                 $this->BlockEnableAutoblock = $wgRequest->getBool( 'wpEnableAutoblock', $byDefault );
  67                 $this->BlockEmail = $wgRequest->getBool( 'wpEmailBan', false );
  68                 $this->BlockWatchUser = $wgRequest->getBool( 'wpWatchUser', false );
  69                 # Re-check user's rights to hide names, very serious, defaults to 0
  70                 $this->BlockHideName = ( $wgRequest->getBool( 'wpHideName', 0 ) && $wgUser->isAllowed( 'hideuser' ) ) ? 1 : 0;
  71                 $this->BlockAllowUsertalk = ( $wgRequest->getBool( 'wpAllowUsertalk', $byDefault ) && $wgBlockAllowsUTEdit );
  72                 $this->BlockReblock = $wgRequest->getBool( 'wpChangeBlock', false );
  73         }
  74
  75         function showForm( $err ) {
  76                 global $wgOut, $wgUser, $wgSysopUserBans;
  77
  78                 $wgOut->setPagetitle( wfMsg( 'blockip' ) );
  79                 $wgOut->addWikiMsg( 'blockiptext' );
  80
  81                 if($wgSysopUserBans) {
  82                         $mIpaddress = Xml::label( wfMsg( 'ipadressorusername' ), 'mw-bi-target' );
  83                 } else {
  84                         $mIpaddress = Xml::label( wfMsg( 'ipaddress' ), 'mw-bi-target' );
  85                 }
  86                 $mIpbexpiry = Xml::label( wfMsg( 'ipbexpiry' ), 'wpBlockExpiry' );
  87                 $mIpbother = Xml::label( wfMsg( 'ipbother' ), 'mw-bi-other' );
  88                 $mIpbreasonother = Xml::label( wfMsg( 'ipbreason' ), 'wpBlockReasonList' );
  89                 $mIpbreason = Xml::label( wfMsg( 'ipbotherreason' ), 'mw-bi-reason' );
  90
  91                 $titleObj = SpecialPage::getTitleFor( 'Blockip' );
  92                 $user = User::newFromName( $this->BlockAddress );
  93
  94                 $alreadyBlocked = false;
  95                 if ( $err && $err[0] != 'ipb_already_blocked' ) {
  96                         $key = array_shift($err);
  97                         $msg = wfMsgReal($key, $err);
  98                         $wgOut->setSubtitle( wfMsgHtml( 'formerror' ) );
  99                         $wgOut->addHTML( Xml::tags( 'p', array( 'class' => 'error' ), $msg ) );
 100                 } elseif ( $this->BlockAddress ) {
 101                         $userId = 0;
 102                         if ( is_object( $user ) )
 103                                 $userId = $user->getId();
 104                         $currentBlock = Block::newFromDB( $this->BlockAddress, $userId );
 105                         if ( !is_null($currentBlock) && !$currentBlock->mAuto && # The block exists and isn't an autoblock
 106                                 ( $currentBlock->mRangeStart == $currentBlock->mRangeEnd || # The block isn't a rangeblock
 107                                 # or if it is, the range is what we're about to block
 108                                 ( $currentBlock->mAddress == $this->BlockAddress ) ) ) {
 109                                         $wgOut->addWikiMsg( 'ipb-needreblock', $this->BlockAddress );
 110                                         $alreadyBlocked = true;
 111                                         # Set the block form settings to the existing block
 112                                         $this->BlockAnonOnly = $currentBlock->mAnonOnly;
 113                                         $this->BlockCreateAccount = $currentBlock->mCreateAccount;
 114                                         $this->BlockEnableAutoblock = $currentBlock->mEnableAutoblock;
 115                                         $this->BlockEmail = $currentBlock->mBlockEmail;
 116                                         $this->BlockHideName = $currentBlock->mHideName;
 117                                         $this->BlockAllowUsertalk = $currentBlock->mAllowUsertalk;
 118                                         if( $currentBlock->mExpiry == 'infinity' ) {
 119                                                 $this->BlockOther = 'indefinite';
 120                                         } else {
 121                                                 $this->BlockOther = wfTimestamp( TS_ISO_8601, $currentBlock->mExpiry );
 122                                         }
 123                                         $this->BlockReason = $currentBlock->mReason;
 124                         }
 125                 }
 126
 127                 $scBlockExpiryOptions = wfMsgForContent( 'ipboptions' );
 128
 129                 $showblockoptions = $scBlockExpiryOptions != '-';
 130                 if (!$showblockoptions)
 131                         $mIpbother = $mIpbexpiry;
 132
 133                 $blockExpiryFormOptions = Xml::option( wfMsg( 'ipbotheroption' ), 'other' );
 134                 foreach (explode(',', $scBlockExpiryOptions) as $option) {
 135                         if ( strpos($option, ":") === false ) $option = "$option:$option";
 136                         list($show, $value) = explode(":", $option);
 137                         $show = htmlspecialchars($show);
 138                         $value = htmlspecialchars($value);
 139                         $blockExpiryFormOptions .= Xml::option( $show, $value, $this->BlockExpiry === $value ? true : false ) . "\n";
 140                 }
 141
 142                 $reasonDropDown = Xml::listDropDown( 'wpBlockReasonList',
 143                         wfMsgForContent( 'ipbreason-dropdown' ),
 144                         wfMsgForContent( 'ipbreasonotherlist' ), $this->BlockReasonList, 'wpBlockDropDown', 4 );
 145
 146                 global $wgStylePath, $wgStyleVersion;
 147                 $wgOut->addHTML(
 148                         Xml::tags( 'script', array( 'type' => 'text/javascript', 'src' => "$wgStylePath/common/block.js?$wgStyleVersion" ), '' ) .
 149                         Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( "action=submit" ), 'id' => 'blockip' ) ) .
 150                         Xml::openElement( 'fieldset' ) .
 151                         Xml::element( 'legend', null, wfMsg( 'blockip-legend' ) ) .
 152                         Xml::openElement( 'table', array ( 'border' => '0', 'id' => 'mw-blockip-table' ) ) .
 153                         "<tr>
 154                                 <td class='mw-label'>
 155                                         {$mIpaddress}
 156                                 </td>
 157                                 <td class='mw-input'>" .
 158                                         Xml::input( 'wpBlockAddress', 45, $this->BlockAddress,
 159                                                 array(
 160                                                         'tabindex' => '1',
 161                                                         'id' => 'mw-bi-target',
 162                                                         'onchange' => 'updateBlockOptions()' ) ). "
 163                                 </td>
 164                         </tr>
 165                         <tr>"
 166                 );
 167                 if ( $showblockoptions ) {
 168                         $wgOut->addHTML("
 169                                 <td class='mw-label'>
 170                                         {$mIpbexpiry}
 171                                 </td>
 172                                 <td class='mw-input'>" .
 173                                         Xml::tags( 'select',
 174                                                 array(
 175                                                         'id' => 'wpBlockExpiry',
 176                                                         'name' => 'wpBlockExpiry',
 177                                                         'onchange' => 'considerChangingExpiryFocus()',
 178                                                         'tabindex' => '2' ),
 179                                                 $blockExpiryFormOptions ) .
 180                                 "</td>"
 181                         );
 182                 }
 183                 $wgOut->addHTML("
 184                         </tr>
 185                         <tr id='wpBlockOther'>
 186                                 <td class='mw-label'>
 187                                         {$mIpbother}
 188                                 </td>
 189                                 <td class='mw-input'>" .
 190                                         Xml::input( 'wpBlockOther', 45, $this->BlockOther,
 191                                                 array( 'tabindex' => '3', 'id' => 'mw-bi-other' ) ) . "
 192                                 </td>
 193                         </tr>
 194                         <tr>
 195                                 <td class='mw-label'>
 196                                         {$mIpbreasonother}
 197                                 </td>
 198                                 <td class='mw-input'>
 199                                         {$reasonDropDown}
 200                                 </td>
 201                         </tr>
 202                         <tr id=\"wpBlockReason\">
 203                                 <td class='mw-label'>
 204                                         {$mIpbreason}
 205                                 </td>
 206                                 <td class='mw-input'>" .
 207                                         Xml::input( 'wpBlockReason', 45, $this->BlockReason,
 208                                                 array( 'tabindex' => '5', 'id' => 'mw-bi-reason', 'maxlength'=> '200' ) ) . "
 209                                 </td>
 210                         </tr>
 211                         <tr id='wpAnonOnlyRow'>
 212                                 <td>&nbsp;</td>
 213                                 <td class='mw-input'>" .
 214                                 Xml::checkLabel( wfMsg( 'ipbanononly' ),
 215                                                 'wpAnonOnly', 'wpAnonOnly', $this->BlockAnonOnly,
 216                                                 array( 'tabindex' => '6' ) ) . "
 217                                 </td>
 218                         </tr>
 219                         <tr id='wpCreateAccountRow'>
 220                                 <td>&nbsp;</td>
 221                                 <td class='mw-input'>" .
 222                                         Xml::checkLabel( wfMsg( 'ipbcreateaccount' ),
 223                                                 'wpCreateAccount', 'wpCreateAccount', $this->BlockCreateAccount,
 224                                                 array( 'tabindex' => '7' ) ) . "
 225                                 </td>
 226                         </tr>
 227                         <tr id='wpEnableAutoblockRow'>
 228                                 <td>&nbsp;</td>
 229                                 <td class='mw-input'>" .
 230                                         Xml::checkLabel( wfMsg( 'ipbenableautoblock' ),
 231                                                 'wpEnableAutoblock', 'wpEnableAutoblock', $this->BlockEnableAutoblock,
 232                                                 array( 'tabindex' => '8' ) ) . "
 233                                 </td>
 234                         </tr>"
 235                 );
 236
 237                 global $wgSysopEmailBans, $wgBlockAllowsUTEdit;
 238                 if ( $wgSysopEmailBans && $wgUser->isAllowed( 'blockemail' ) ) {
 239                         $wgOut->addHTML("
 240                                 <tr id='wpEnableEmailBan'>
 241                                         <td>&nbsp;</td>
 242                                         <td class='mw-input'>" .
 243                                                 Xml::checkLabel( wfMsg( 'ipbemailban' ),
 244                                                         'wpEmailBan', 'wpEmailBan', $this->BlockEmail,
 245                                                         array( 'tabindex' => '9' )) . "
 246                                         </td>
 247                                 </tr>"
 248                         );
 249                 }
 250
 251                 // Allow some users to hide name from block log, blocklist and listusers
 252                 if ( $wgUser->isAllowed( 'hideuser' ) ) {
 253                         $wgOut->addHTML("
 254                                 <tr id='wpEnableHideUser'>
 255                                         <td>&nbsp;</td>
 256                                         <td class='mw-input'><strong>" .
 257                                                 Xml::checkLabel( wfMsg( 'ipbhidename' ),
 258                                                         'wpHideName', 'wpHideName', $this->BlockHideName,
 259                                                         array( 'tabindex' => '10' ) ) . "
 260                                         </strong></td>
 261                                 </tr>"
 262                         );
 263                 }
 264
 265                 # Watchlist their user page?
 266                 $wgOut->addHTML("
 267                         <tr id='wpEnableWatchUser'>
 268                                 <td>&nbsp;</td>
 269                                 <td class='mw-input'>" .
 270                                         Xml::checkLabel( wfMsg( 'ipbwatchuser' ),
 271                                                 'wpWatchUser', 'wpWatchUser', $this->BlockWatchUser,
 272                                                 array( 'tabindex' => '11' ) ) . "
 273                                 </td>
 274                         </tr>"
 275                 );
 276                 if( $wgBlockAllowsUTEdit ){
 277                         $wgOut->addHTML("
 278                                 <tr id='wpAllowUsertalkRow'>
 279                                         <td>&nbsp;</td>
 280                                         <td class='mw-input'>" .
 281                                                 Xml::checkLabel( wfMsg( 'ipballowusertalk' ),
 282                                                         'wpAllowUsertalk', 'wpAllowUsertalk', $this->BlockAllowUsertalk,
 283                                                         array( 'tabindex' => '12' ) ) . "
 284                                         </td>
 285                                 </tr>"
 286                         );
 287                 }
 288
 289                 $wgOut->addHTML("
 290                         <tr>
 291                                 <td style='padding-top: 1em'>&nbsp;</td>
 292                                 <td  class='mw-submit' style='padding-top: 1em'>" .
 293                                         Xml::submitButton( wfMsg( $alreadyBlocked ? 'ipb-change-block' : 'ipbsubmit' ),
 294                                                 array( 'name' => 'wpBlock', 'tabindex' => '13', 'accesskey' => 's' ) ) . "
 295                                 </td>
 296                         </tr>" .
 297                         Xml::closeElement( 'table' ) .
 298                         Xml::hidden( 'wpEditToken', $wgUser->editToken() ) .
 299                         ( $alreadyBlocked ? Xml::hidden( 'wpChangeBlock', 1 ) : "" ) .
 300                         Xml::closeElement( 'fieldset' ) .
 301                         Xml::closeElement( 'form' ) .
 302                         Xml::tags( 'script', array( 'type' => 'text/javascript' ), 'updateBlockOptions()' ) . "\n"
 303                 );
 304
 305                 $wgOut->addHTML( $this->getConvenienceLinks() );
 306
 307                 if( is_object( $user ) ) {
 308                         $this->showLogFragment( $wgOut, $user->getUserPage() );
 309                 } elseif( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $this->BlockAddress ) ) {
 310                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 311                 } 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 ) ) {
 312                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 313                 }
 314         }
 315
 316         /**
 317          * Backend block code.
 318          * $userID and $expiry will be filled accordingly
 319          * @return array(message key, arguments) on failure, empty array on success
 320          */
 321         function doBlock( &$userId = null, &$expiry = null ) {
 322                 global $wgUser, $wgSysopUserBans, $wgSysopRangeBans, $wgBlockAllowsUTEdit;
 323
 324                 $userId = 0;
 325                 # Expand valid IPv6 addresses, usernames are left as is
 326                 $this->BlockAddress = IP::sanitizeIP( $this->BlockAddress );
 327                 # isIPv4() and IPv6() are used for final validation
 328                 $rxIP4 = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
 329                 $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}';
 330                 $rxIP = "($rxIP4|$rxIP6)";
 331
 332                 # Check for invalid specifications
 333                 if ( !preg_match( "/^$rxIP$/", $this->BlockAddress ) ) {
 334                         $matches = array();
 335                         if ( preg_match( "/^($rxIP4)\\/(\\d{1,2})$/", $this->BlockAddress, $matches ) ) {
 336                                 # IPv4
 337                                 if ( $wgSysopRangeBans ) {
 338                                         if ( !IP::isIPv4( $this->BlockAddress ) || $matches[2] < 16 || $matches[2] > 32 ) {
 339                                                 return array('ip_range_invalid');
 340                                         }
 341                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 342                                 } else {
 343                                         # Range block illegal
 344                                         return array('range_block_disabled');
 345                                 }
 346                         } else if ( preg_match( "/^($rxIP6)\\/(\\d{1,3})$/", $this->BlockAddress, $matches ) ) {
 347                                 # IPv6
 348                                 if ( $wgSysopRangeBans ) {
 349                                         if ( !IP::isIPv6( $this->BlockAddress ) || $matches[2] < 64 || $matches[2] > 128 ) {
 350                                                 return array('ip_range_invalid');
 351                                         }
 352                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 353                                 } else {
 354                                         # Range block illegal
 355                                         return array('range_block_disabled');
 356                                 }
 357                         } else {
 358                                 # Username block
 359                                 if ( $wgSysopUserBans ) {
 360                                         $user = User::newFromName( $this->BlockAddress );
 361                                         if( !is_null( $user ) && $user->getId() ) {
 362                                                 # Use canonical name
 363                                                 $userId = $user->getId();
 364                                                 $this->BlockAddress = $user->getName();
 365                                         } else {
 366                                                 return array('nosuchusershort', htmlspecialchars( $user ? $user->getName() : $this->BlockAddress ) );
 367                                         }
 368                                 } else {
 369                                         return array('badipaddress');
 370                                 }
 371                         }
 372                 }
 373
 374                 if ( $wgUser->isBlocked() && ( $wgUser->getId() !== $userId ) ) {
 375                         return array( 'cant-block-while-blocked' );
 376                 }
 377
 378                 $reasonstr = $this->BlockReasonList;
 379                 if ( $reasonstr != 'other' && $this->BlockReason != '' ) {
 380                         // Entry from drop down menu + additional comment
 381                         $reasonstr .= wfMsgForContent( 'colon-separator' ) . $this->BlockReason;
 382                 } elseif ( $reasonstr == 'other' ) {
 383                         $reasonstr = $this->BlockReason;
 384                 }
 385
 386                 $expirestr = $this->BlockExpiry;
 387                 if( $expirestr == 'other' )
 388                         $expirestr = $this->BlockOther;
 389
 390                 if ( ( strlen( $expirestr ) == 0) || ( strlen( $expirestr ) > 50) ) {
 391                         return array('ipb_expiry_invalid');
 392                 }
 393
 394                 if ( false === ($expiry = Block::parseExpiryInput( $expirestr )) ) {
 395                         // Bad expiry.
 396                         return array('ipb_expiry_invalid');
 397                 }
 398
 399                 if( $this->BlockHideName ) {
 400                         if( !$userId ) {
 401                                 // IP users should not be hidden
 402                                 $this->BlockHideName = false;
 403                         } else if( $expiry !== 'infinity' ) {
 404                                 // Bad expiry.
 405                                 return array('ipb_expiry_temp');
 406                         } else if( User::edits($userId) > self::HIDEUSER_CONTRIBLIMIT ) {
 407                                 // Typically, the user should have a handful of edits.
 408                                 // Disallow hiding users with many edits for performance.
 409                                 return array('ipb_hide_invalid');
 410                         }
 411                 }
 412
 413                 # Create block
 414                 # Note: for a user block, ipb_address is only for display purposes
 415                 $block = new Block( $this->BlockAddress, $userId, $wgUser->getId(),
 416                         $reasonstr, wfTimestampNow(), 0, $expiry, $this->BlockAnonOnly,
 417                         $this->BlockCreateAccount, $this->BlockEnableAutoblock, $this->BlockHideName,
 418                         $this->BlockEmail, isset( $this->BlockAllowUsertalk ) ? $this->BlockAllowUsertalk : $wgBlockAllowsUTEdit
 419                 );
 420
 421                 # Should this be privately logged?
 422                 $suppressLog = (bool)$this->BlockHideName;
 423                 if ( wfRunHooks('BlockIp', array(&$block, &$wgUser)) ) {
 424                         # Try to insert block. Is there a conflicting block?
 425                         if ( !$block->insert() ) {
 426                                 # Show form unless the user is already aware of this...
 427                                 if ( !$this->BlockReblock ) {
 428                                         return array( 'ipb_already_blocked' );
 429                                 # Otherwise, try to update the block...
 430                                 } else {
 431                                         # This returns direct blocks before autoblocks/rangeblocks, since we should
 432                                         # be sure the user is blocked by now it should work for our purposes
 433                                         $currentBlock = Block::newFromDB( $this->BlockAddress, $userId );
 434                                         if( $block->equals( $currentBlock ) ) {
 435                                                 return array( 'ipb_already_blocked' );
 436                                         }
 437                                         # If the name was hidden and the blocking user cannot hide
 438                                         # names, then don't allow any block changes...
 439                                         if( $currentBlock->mHideName && !$wgUser->isAllowed('hideuser') ) {
 440                                                 return array( 'hookaborted' );
 441                                         }
 442                                         $currentBlock->delete();
 443                                         $block->insert();
 444                                         # If hiding/unhiding a name, this should go in the private logs
 445                                         $suppressLog = $suppressLog || (bool)$currentBlock->mHideName;
 446                                         $log_action = 'reblock';
 447                                         # Unset _deleted fields if requested
 448                                         if( $currentBlock->mHideName && !$this->BlockHideName ) {
 449                                                 self::unsuppressUserName( $this->BlockAddress, $userId );
 450                                         }
 451                                 }
 452                         } else {
 453                                 $log_action = 'block';
 454                         }
 455                         wfRunHooks('BlockIpComplete', array($block, $wgUser));
 456
 457                         # Set *_deleted fields if requested
 458                         if( $this->BlockHideName ) {
 459                                 self::suppressUserName( $this->BlockAddress, $userId );
 460                         }
 461
 462                         if ( $this->BlockWatchUser &&
 463                                 # Only show watch link when this is no range block
 464                                 $block->mRangeStart == $block->mRangeEnd) {
 465                                 $wgUser->addWatch ( Title::makeTitle( NS_USER, $this->BlockAddress ) );
 466                         }
 467
 468                         # Block constructor sanitizes certain block options on insert
 469                         $this->BlockEmail = $block->mBlockEmail;
 470                         $this->BlockEnableAutoblock = $block->mEnableAutoblock;
 471
 472                         # Prepare log parameters
 473                         $logParams = array();
 474                         $logParams[] = $expirestr;
 475                         $logParams[] = $this->blockLogFlags();
 476
 477                         # Make log entry, if the name is hidden, put it in the oversight log
 478                         $log_type = $suppressLog ? 'suppress' : 'block';
 479                         $log = new LogPage( $log_type );
 480                         $log->addEntry( $log_action, Title::makeTitle( NS_USER, $this->BlockAddress ),
 481                           $reasonstr, $logParams );
 482
 483                         # Report to the user
 484                         return array();
 485                 } else {
 486                         return array('hookaborted');
 487                 }
 488         }
 489
 490         public static function suppressUserName( $name, $userId ) {
 491                 $op = '|'; // bitwise OR
 492                 return self::setUsernameBitfields( $name, $userId, $op );
 493         }
 494
 495         public static function unsuppressUserName( $name, $userId ) {
 496                 $op = '&'; // bitwise AND
 497                 return self::setUsernameBitfields( $name, $userId, $op );
 498         }
 499
 500         private static function setUsernameBitfields( $name, $userId, $op ) {
 501                 if( $op !== '|' && $op !== '&' )
 502                         return false; // sanity check
 503                 $dbw = wfGetDB( DB_MASTER );
 504                 $delUser = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
 505                 $delAction = LogPage::DELETED_ACTION | Revision::DELETED_RESTRICTED;
 506                 # Normalize user name
 507                 $userTitle = Title::makeTitleSafe( NS_USER, $name );
 508                 $userDbKey = $userTitle->getDBKey();
 509                 # To suppress, we OR the current bitfields with Revision::DELETED_USER
 510                 # to put a 1 in the username *_deleted bit. To unsuppress we AND the
 511                 # current bitfields with the inverse of Revision::DELETED_USER. The
 512                 # username bit is made to 0 (x & 0 = 0), while others are unchanged (x & 1 = x).
 513                 # The same goes for the sysop-restricted *_deleted bit.
 514                 if( $op == '&' ) {
 515                         $delUser = "~{$delUser}";
 516                         $delAction = "~{$delAction}";
 517                 }
 518                 # Hide name from live edits
 519                 $dbw->update( 'revision', array("rev_deleted = rev_deleted $op $delUser"),
 520                         array('rev_user' => $userId), __METHOD__ );
 521                 # Hide name from deleted edits
 522                 $dbw->update( 'archive', array("ar_deleted = ar_deleted $op $delUser"),
 523                         array('ar_user_text' => $name), __METHOD__ );
 524                 # Hide name from logs
 525                 $dbw->update( 'logging', array("log_deleted = log_deleted $op $delUser"),
 526                         array('log_user' => $userId, "log_type != 'suppress'"), __METHOD__ );
 527                 $dbw->update( 'logging', array("log_deleted = log_deleted $op $delAction"),
 528                         array('log_namespace' => NS_USER, 'log_title' => $userDbKey,
 529                                 "log_type != 'suppress'"), __METHOD__ );
 530                 # Hide name from RC
 531                 $dbw->update( 'recentchanges', array("rc_deleted = rc_deleted $op $delUser"),
 532                         array('rc_user_text' => $name), __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         }
 584
 585         /**
 586          * Return a comma-delimited list of "flags" to be passed to the log
 587          * reader for this block, to provide more information in the logs
 588          *
 589          * @return array
 590          */
 591         private function blockLogFlags() {
 592                 global $wgBlockAllowsUTEdit;
 593                 $flags = array();
 594                 if( $this->BlockAnonOnly && IP::isIPAddress( $this->BlockAddress ) )
 595                         // when blocking a user the option 'anononly' is not available/has no effect -> do not write this into log
 596                         $flags[] = 'anononly';
 597                 if( $this->BlockCreateAccount )
 598                         $flags[] = 'nocreate';
 599                 if( !$this->BlockEnableAutoblock )
 600                         $flags[] = 'noautoblock';
 601                 if ( $this->BlockEmail )
 602                         $flags[] = 'noemail';
 603                 if ( !$this->BlockAllowUsertalk && $wgBlockAllowsUTEdit )
 604                         $flags[] = 'nousertalk';
 605                 if ( $this->BlockHideName )
 606                         $flags[] = 'hiddenname';
 607                 return implode( ',', $flags );
 608         }
 609
 610         /**
 611          * Builds unblock and block list links
 612          *
 613          * @return string
 614          */
 615         private function getConvenienceLinks() {
 616                 global $wgUser, $wgLang;
 617                 $skin = $wgUser->getSkin();
 618                 if( $this->BlockAddress )
 619                         $links[] = $this->getContribsLink( $skin );
 620                 $links[] = $this->getUnblockLink( $skin );
 621                 $links[] = $this->getBlockListLink( $skin );
 622                 $links[] = $skin->makeLink ( 'MediaWiki:Ipbreason-dropdown', wfMsgHtml( 'ipb-edit-dropdown' ) );
 623                 return '<p class="mw-ipb-conveniencelinks">' . $wgLang->pipeList( $links ) . '</p>';
 624         }
 625
 626         /**
 627          * Build a convenient link to a user or IP's contribs
 628          * form
 629          *
 630          * @param $skin Skin to use
 631          * @return string
 632          */
 633         private function getContribsLink( $skin ) {
 634                 $contribsPage = SpecialPage::getTitleFor( 'Contributions', $this->BlockAddress );
 635                 return $skin->link( $contribsPage, wfMsgExt( 'ipb-blocklist-contribs', 'escape', $this->BlockAddress ) );
 636         }
 637
 638         /**
 639          * Build a convenient link to unblock the given username or IP
 640          * address, if available; otherwise link to a blank unblock
 641          * form
 642          *
 643          * @param $skin Skin to use
 644          * @return string
 645          */
 646         private function getUnblockLink( $skin ) {
 647                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 648                 if( $this->BlockAddress ) {
 649                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 650                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock-addr', $addr ),
 651                                 'action=unblock&ip=' . urlencode( $this->BlockAddress ) );
 652                 } else {
 653                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock' ),      'action=unblock' );
 654                 }
 655         }
 656
 657         /**
 658          * Build a convenience link to the block list
 659          *
 660          * @param $skin Skin to use
 661          * @return string
 662          */
 663         private function getBlockListLink( $skin ) {
 664                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 665                 if( $this->BlockAddress ) {
 666                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 667                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist-addr', $addr ),
 668                                 'ip=' . urlencode( $this->BlockAddress ) );
 669                 } else {
 670                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist' ) );
 671                 }
 672         }
 673
 674         /**
 675         * Block a list of selected users
 676         * @param array $users
 677         * @param string $reason
 678         * @param string $tag replaces user pages
 679         * @param string $talkTag replaces user talk pages
 680         * @returns array, list of html-safe usernames
 681         */
 682         public static function doMassUserBlock( $users, $reason = '', $tag = '', $talkTag = '' ) {
 683                 global $wgUser;
 684                 $counter = $blockSize = 0;
 685                 $safeUsers = array();
 686                 $log = new LogPage( 'block' );
 687                 foreach( $users as $name ) {
 688                         # Enforce limits
 689                         $counter++;
 690                         $blockSize++;
 691                         # Lets not go *too* fast
 692                         if( $blockSize >= 20 ) {
 693                                 $blockSize = 0;
 694                                 wfWaitForSlaves( 5 );
 695                         }
 696                         $u = User::newFromName( $name, false );
 697                         // If user doesn't exist, it ought to be an IP then
 698                         if( is_null($u) || (!$u->getId() && !IP::isIPAddress( $u->getName() )) ) {
 699                                 continue;
 700                         }
 701                         $userTitle = $u->getUserPage();
 702                         $userTalkTitle = $u->getTalkPage();
 703                         $userpage = new Article( $userTitle );
 704                         $usertalk = new Article( $userTalkTitle );
 705                         $safeUsers[] = '[[' . $userTitle->getPrefixedText() . '|' . $userTitle->getText() . ']]';
 706                         $expirestr = $u->getId() ? 'indefinite' : '1 week';
 707                         $expiry = Block::parseExpiryInput( $expirestr );
 708                         $anonOnly = IP::isIPAddress( $u->getName() ) ? 1 : 0;
 709                         // Create the block
 710                         $block = new Block( $u->getName(), // victim
 711                                 $u->getId(), // uid
 712                                 $wgUser->getId(), // blocker
 713                                 $reason, // comment
 714                                 wfTimestampNow(), // block time
 715                                 0, // auto ?
 716                                 $expiry, // duration
 717                                 $anonOnly, // anononly?
 718                                 1, // block account creation?
 719                                 1, // autoblocking?
 720                                 0, // suppress name?
 721                                 0 // block from sending email?
 722                         );
 723                         $oldblock = Block::newFromDB( $u->getName(), $u->getId() );
 724                         if( !$oldblock ) {
 725                                 $block->insert();
 726                                 # Prepare log parameters
 727                                 $logParams = array();
 728                                 $logParams[] = $expirestr;
 729                                 if( $anonOnly ) {
 730                                         $logParams[] = 'anononly';
 731                                 }
 732                                 $logParams[] = 'nocreate';
 733                                 # Add log entry
 734                                 $log->addEntry( 'block', $userTitle, $reason, $logParams );
 735                         }
 736                         # Tag userpage! (check length to avoid mistakes)
 737                         if( strlen($tag) > 2 ) {
 738                                 $userpage->doEdit( $tag, $reason, EDIT_MINOR );
 739                         }
 740                         if( strlen($talkTag) > 2 ) {
 741                                 $usertalk->doEdit( $talkTag, $reason, EDIT_MINOR );
 742                         }
 743                 }
 744                 return $safeUsers;
 745         }
 746 }