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         # Can't block when the database is locked
  15         if( wfReadOnly() ) {
  16                 $wgOut->readOnlyPage();
  17                 return;
  18         }
  19         # Permission check
  20         if( !$wgUser->isAllowed( 'block' ) ) {
  21                 $wgOut->permissionRequired( 'block' );
  22                 return;
  23         }
  24
  25         $ipb = new IPBlockForm( $par );
  26
  27         $action = $wgRequest->getVal( 'action' );
  28         if( 'success' == $action ) {
  29                 $ipb->showSuccess();
  30         } else if( $wgRequest->wasPosted() && 'submit' == $action &&
  31                 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  32                 $ipb->doSubmit();
  33         } else {
  34                 $ipb->showForm( '' );
  35         }
  36 }
  37
  38 /**
  39  * Form object for the Special:Blockip page.
  40  *
  41  * @ingroup SpecialPage
  42  */
  43 class IPBlockForm {
  44         var $BlockAddress, $BlockExpiry, $BlockReason;
  45         // The maximum number of edits a user can have and still be hidden
  46         const HIDEUSER_CONTRIBLIMIT = 1000;
  47
  48         public function __construct( $par ) {
  49                 global $wgRequest, $wgUser, $wgBlockAllowsUTEdit;
  50
  51                 $this->BlockAddress = $wgRequest->getVal( 'wpBlockAddress', $wgRequest->getVal( 'ip', $par ) );
  52                 $this->BlockAddress = strtr( $this->BlockAddress, '_', ' ' );
  53                 $this->BlockReason = $wgRequest->getText( 'wpBlockReason' );
  54                 $this->BlockReasonList = $wgRequest->getText( 'wpBlockReasonList' );
  55                 $this->BlockExpiry = $wgRequest->getVal( 'wpBlockExpiry', wfMsg('ipbotheroption') );
  56                 $this->BlockOther = $wgRequest->getVal( 'wpBlockOther', '' );
  57
  58                 # Unchecked checkboxes are not included in the form data at all, so having one
  59                 # that is true by default is a bit tricky
  60                 $byDefault = !$wgRequest->wasPosted();
  61                 $this->BlockAnonOnly = $wgRequest->getBool( 'wpAnonOnly', $byDefault );
  62                 $this->BlockCreateAccount = $wgRequest->getBool( 'wpCreateAccount', $byDefault );
  63                 $this->BlockEnableAutoblock = $wgRequest->getBool( 'wpEnableAutoblock', $byDefault );
  64                 $this->BlockEmail = false;
  65                 if( self::canBlockEmail( $wgUser ) ) {
  66                         $this->BlockEmail = $wgRequest->getBool( 'wpEmailBan', false );
  67                 }
  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         public 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 ) $mIpbother = $mIpbexpiry;
 131
 132                 $blockExpiryFormOptions = Xml::option( wfMsg( 'ipbotheroption' ), 'other' );
 133                 foreach (explode(',', $scBlockExpiryOptions) as $option) {
 134                         if( strpos($option, ":") === false ) $option = "$option:$option";
 135                         list($show, $value) = explode(":", $option);
 136                         $show = htmlspecialchars($show);
 137                         $value = htmlspecialchars($value);
 138                         $blockExpiryFormOptions .= Xml::option( $show, $value, $this->BlockExpiry === $value ? true : false ) . "\n";
 139                 }
 140
 141                 $reasonDropDown = Xml::listDropDown( 'wpBlockReasonList',
 142                         wfMsgForContent( 'ipbreason-dropdown' ),
 143                         wfMsgForContent( 'ipbreasonotherlist' ), $this->BlockReasonList, 'wpBlockDropDown', 4 );
 144
 145                 global $wgStylePath, $wgStyleVersion;
 146                 $wgOut->addHTML(
 147                         Xml::tags( 'script', array( 'type' => 'text/javascript', 'src' => "$wgStylePath/common/block.js?$wgStyleVersion" ), '' ) .
 148                         Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( "action=submit" ), 'id' => 'blockip' ) ) .
 149                         Xml::openElement( 'fieldset' ) .
 150                         Xml::element( 'legend', null, wfMsg( 'blockip-legend' ) ) .
 151                         Xml::openElement( 'table', array ( 'border' => '0', 'id' => 'mw-blockip-table' ) ) .
 152                         "<tr>
 153                                 <td class='mw-label'>
 154                                         {$mIpaddress}
 155                                 </td>
 156                                 <td class='mw-input'>" .
 157                                         Xml::input( 'wpBlockAddress', 45, $this->BlockAddress,
 158                                                 array(
 159                                                         'tabindex' => '1',
 160                                                         'id' => 'mw-bi-target',
 161                                                         'onchange' => 'updateBlockOptions()' ) ). "
 162                                 </td>
 163                         </tr>
 164                         <tr>"
 165                 );
 166                 if( $showblockoptions ) {
 167                         $wgOut->addHTML("
 168                                 <td class='mw-label'>
 169                                         {$mIpbexpiry}
 170                                 </td>
 171                                 <td class='mw-input'>" .
 172                                         Xml::tags( 'select',
 173                                                 array(
 174                                                         'id' => 'wpBlockExpiry',
 175                                                         'name' => 'wpBlockExpiry',
 176                                                         'onchange' => 'considerChangingExpiryFocus()',
 177                                                         'tabindex' => '2' ),
 178                                                 $blockExpiryFormOptions ) .
 179                                 "</td>"
 180                         );
 181                 }
 182                 $wgOut->addHTML("
 183                         </tr>
 184                         <tr id='wpBlockOther'>
 185                                 <td class='mw-label'>
 186                                         {$mIpbother}
 187                                 </td>
 188                                 <td class='mw-input'>" .
 189                                         Xml::input( 'wpBlockOther', 45, $this->BlockOther,
 190                                                 array( 'tabindex' => '3', 'id' => 'mw-bi-other' ) ) . "
 191                                 </td>
 192                         </tr>
 193                         <tr>
 194                                 <td class='mw-label'>
 195                                         {$mIpbreasonother}
 196                                 </td>
 197                                 <td class='mw-input'>
 198                                         {$reasonDropDown}
 199                                 </td>
 200                         </tr>
 201                         <tr id=\"wpBlockReason\">
 202                                 <td class='mw-label'>
 203                                         {$mIpbreason}
 204                                 </td>
 205                                 <td class='mw-input'>" .
 206                                         Xml::input( 'wpBlockReason', 45, $this->BlockReason,
 207                                                 array( 'tabindex' => '5', 'id' => 'mw-bi-reason', 'maxlength'=> '200' ) ) . "
 208                                 </td>
 209                         </tr>
 210                         <tr id='wpAnonOnlyRow'>
 211                                 <td>&nbsp;</td>
 212                                 <td class='mw-input'>" .
 213                                 Xml::checkLabel( wfMsg( 'ipbanononly' ),
 214                                                 'wpAnonOnly', 'wpAnonOnly', $this->BlockAnonOnly,
 215                                                 array( 'tabindex' => '6' ) ) . "
 216                                 </td>
 217                         </tr>
 218                         <tr id='wpCreateAccountRow'>
 219                                 <td>&nbsp;</td>
 220                                 <td class='mw-input'>" .
 221                                         Xml::checkLabel( wfMsg( 'ipbcreateaccount' ),
 222                                                 'wpCreateAccount', 'wpCreateAccount', $this->BlockCreateAccount,
 223                                                 array( 'tabindex' => '7' ) ) . "
 224                                 </td>
 225                         </tr>
 226                         <tr id='wpEnableAutoblockRow'>
 227                                 <td>&nbsp;</td>
 228                                 <td class='mw-input'>" .
 229                                         Xml::checkLabel( wfMsg( 'ipbenableautoblock' ),
 230                                                 'wpEnableAutoblock', 'wpEnableAutoblock', $this->BlockEnableAutoblock,
 231                                                 array( 'tabindex' => '8' ) ) . "
 232                                 </td>
 233                         </tr>"
 234                 );
 235
 236                 if( self::canBlockEmail( $wgUser ) ) {
 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
 275                 # Can we explicitly disallow the use of user_talk?
 276                 global $wgBlockAllowsUTEdit;
 277                 if( $wgBlockAllowsUTEdit ){
 278                         $wgOut->addHTML("
 279                                 <tr id='wpAllowUsertalkRow'>
 280                                         <td>&nbsp;</td>
 281                                         <td class='mw-input'>" .
 282                                                 Xml::checkLabel( wfMsg( 'ipballowusertalk' ),
 283                                                         'wpAllowUsertalk', 'wpAllowUsertalk', $this->BlockAllowUsertalk,
 284                                                         array( 'tabindex' => '12' ) ) . "
 285                                         </td>
 286                                 </tr>"
 287                         );
 288                 }
 289
 290                 $wgOut->addHTML("
 291                         <tr>
 292                                 <td style='padding-top: 1em'>&nbsp;</td>
 293                                 <td  class='mw-submit' style='padding-top: 1em'>" .
 294                                         Xml::submitButton( wfMsg( $alreadyBlocked ? 'ipb-change-block' : 'ipbsubmit' ),
 295                                                 array( 'name' => 'wpBlock', 'tabindex' => '13', 'accesskey' => 's' ) ) . "
 296                                 </td>
 297                         </tr>" .
 298                         Xml::closeElement( 'table' ) .
 299                         Xml::hidden( 'wpEditToken', $wgUser->editToken() ) .
 300                         ( $alreadyBlocked ? Xml::hidden( 'wpChangeBlock', 1 ) : "" ) .
 301                         Xml::closeElement( 'fieldset' ) .
 302                         Xml::closeElement( 'form' ) .
 303                         Xml::tags( 'script', array( 'type' => 'text/javascript' ), 'updateBlockOptions()' ) . "\n"
 304                 );
 305
 306                 $wgOut->addHTML( $this->getConvenienceLinks() );
 307
 308                 if( is_object( $user ) ) {
 309                         $this->showLogFragment( $wgOut, $user->getUserPage() );
 310                 } elseif( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $this->BlockAddress ) ) {
 311                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 312                 } 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 ) ) {
 313                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 314                 }
 315         }
 316
 317         /**
 318          * Can we do an email block?
 319          * @param User $user The sysop wanting to make a block
 320          * @return boolean
 321          */
 322         public static function canBlockEmail( $user ) {
 323                 global $wgEnableUserEmail, $wgSysopEmailBans;
 324                 return ($wgEnableUserEmail && $wgSysopEmailBans && $user->isAllowed( 'blockemail' ));
 325         }
 326
 327         /**
 328          * Backend block code.
 329          * $userID and $expiry will be filled accordingly
 330          * @return array(message key, arguments) on failure, empty array on success
 331          */
 332         function doBlock( &$userId = null, &$expiry = null ) {
 333                 global $wgUser, $wgSysopUserBans, $wgSysopRangeBans, $wgBlockAllowsUTEdit;
 334
 335                 $userId = 0;
 336                 # Expand valid IPv6 addresses, usernames are left as is
 337                 $this->BlockAddress = IP::sanitizeIP( $this->BlockAddress );
 338                 # isIPv4() and IPv6() are used for final validation
 339                 $rxIP4 = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
 340                 $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}';
 341                 $rxIP = "($rxIP4|$rxIP6)";
 342
 343                 # Check for invalid specifications
 344                 if( !preg_match( "/^$rxIP$/", $this->BlockAddress ) ) {
 345                         $matches = array();
 346                         if( preg_match( "/^($rxIP4)\\/(\\d{1,2})$/", $this->BlockAddress, $matches ) ) {
 347                                 # IPv4
 348                                 if( $wgSysopRangeBans ) {
 349                                         if( !IP::isIPv4( $this->BlockAddress ) || $matches[2] < 16 || $matches[2] > 32 ) {
 350                                                 return array('ip_range_invalid');
 351                                         }
 352                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 353                                 } else {
 354                                         # Range block illegal
 355                                         return array('range_block_disabled');
 356                                 }
 357                         } else if( preg_match( "/^($rxIP6)\\/(\\d{1,3})$/", $this->BlockAddress, $matches ) ) {
 358                                 # IPv6
 359                                 if( $wgSysopRangeBans ) {
 360                                         if( !IP::isIPv6( $this->BlockAddress ) || $matches[2] < 64 || $matches[2] > 128 ) {
 361                                                 return array('ip_range_invalid');
 362                                         }
 363                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 364                                 } else {
 365                                         # Range block illegal
 366                                         return array('range_block_disabled');
 367                                 }
 368                         } else {
 369                                 # Username block
 370                                 if( $wgSysopUserBans ) {
 371                                         $user = User::newFromName( $this->BlockAddress );
 372                                         if( !is_null( $user ) && $user->getId() ) {
 373                                                 # Use canonical name
 374                                                 $userId = $user->getId();
 375                                                 $this->BlockAddress = $user->getName();
 376                                         } else {
 377                                                 return array('nosuchusershort', htmlspecialchars( $user ? $user->getName() : $this->BlockAddress ) );
 378                                         }
 379                                 } else {
 380                                         return array('badipaddress');
 381                                 }
 382                         }
 383                 }
 384
 385                 if( $wgUser->isBlocked() && ( $wgUser->getId() !== $userId ) ) {
 386                         return array( 'cant-block-while-blocked' );
 387                 }
 388
 389                 $reasonstr = $this->BlockReasonList;
 390                 if( $reasonstr != 'other' && $this->BlockReason != '' ) {
 391                         // Entry from drop down menu + additional comment
 392                         $reasonstr .= wfMsgForContent( 'colon-separator' ) . $this->BlockReason;
 393                 } elseif( $reasonstr == 'other' ) {
 394                         $reasonstr = $this->BlockReason;
 395                 }
 396
 397                 $expirestr = $this->BlockExpiry;
 398                 if( $expirestr == 'other' )
 399                         $expirestr = $this->BlockOther;
 400
 401                 if( ( strlen( $expirestr ) == 0) || ( strlen( $expirestr ) > 50) ) {
 402                         return array('ipb_expiry_invalid');
 403                 }
 404
 405                 if( false === ($expiry = Block::parseExpiryInput( $expirestr )) ) {
 406                         // Bad expiry.
 407                         return array('ipb_expiry_invalid');
 408                 }
 409
 410                 if( $this->BlockHideName ) {
 411                         // Recheck params here...
 412                         if( !$userId || !$wgUser->isAllowed('hideuser') ) {
 413                                 $this->BlockHideName = false; // IP users should not be hidden
 414                         } else if( $expiry !== 'infinity' ) {
 415                                 // Bad expiry.
 416                                 return array('ipb_expiry_temp');
 417                         } else if( User::edits($userId) > self::HIDEUSER_CONTRIBLIMIT ) {
 418                                 // Typically, the user should have a handful of edits.
 419                                 // Disallow hiding users with many edits for performance.
 420                                 return array('ipb_hide_invalid');
 421                         }
 422                 }
 423
 424                 # Create block object
 425                 # Note: for a user block, ipb_address is only for display purposes
 426                 $block = new Block( $this->BlockAddress, $userId, $wgUser->getId(),
 427                         $reasonstr, wfTimestampNow(), 0, $expiry, $this->BlockAnonOnly,
 428                         $this->BlockCreateAccount, $this->BlockEnableAutoblock, $this->BlockHideName,
 429                         $this->BlockEmail, isset( $this->BlockAllowUsertalk ) ? $this->BlockAllowUsertalk : $wgBlockAllowsUTEdit
 430                 );
 431
 432                 # Should this be privately logged?
 433                 $suppressLog = (bool)$this->BlockHideName;
 434                 if( wfRunHooks('BlockIp', array(&$block, &$wgUser)) ) {
 435                         # Try to insert block. Is there a conflicting block?
 436                         if( !$block->insert() ) {
 437                                 # Show form unless the user is already aware of this...
 438                                 if( !$this->BlockReblock ) {
 439                                         return array( 'ipb_already_blocked' );
 440                                 # Otherwise, try to update the block...
 441                                 } else {
 442                                         # This returns direct blocks before autoblocks/rangeblocks, since we should
 443                                         # be sure the user is blocked by now it should work for our purposes
 444                                         $currentBlock = Block::newFromDB( $this->BlockAddress, $userId );
 445                                         if( $block->equals( $currentBlock ) ) {
 446                                                 return array( 'ipb_already_blocked' );
 447                                         }
 448                                         # If the name was hidden and the blocking user cannot hide
 449                                         # names, then don't allow any block changes...
 450                                         if( $currentBlock->mHideName && !$wgUser->isAllowed('hideuser') ) {
 451                                                 return array( 'hookaborted' );
 452                                         }
 453                                         $currentBlock->delete();
 454                                         $block->insert();
 455                                         # If hiding/unhiding a name, this should go in the private logs
 456                                         $suppressLog = $suppressLog || (bool)$currentBlock->mHideName;
 457                                         $log_action = 'reblock';
 458                                         # Unset _deleted fields if requested
 459                                         if( $currentBlock->mHideName && !$this->BlockHideName ) {
 460                                                 self::unsuppressUserName( $this->BlockAddress, $userId );
 461                                         }
 462                                 }
 463                         } else {
 464                                 $log_action = 'block';
 465                         }
 466                         wfRunHooks('BlockIpComplete', array($block, $wgUser));
 467
 468                         # Set *_deleted fields if requested
 469                         if( $this->BlockHideName ) {
 470                                 self::suppressUserName( $this->BlockAddress, $userId );
 471                         }
 472
 473                         # Only show watch link when this is no range block
 474                         if( $this->BlockWatchUser && $block->mRangeStart == $block->mRangeEnd ) {
 475                                 $wgUser->addWatch( Title::makeTitle( NS_USER, $this->BlockAddress ) );
 476                         }
 477
 478                         # Block constructor sanitizes certain block options on insert
 479                         $this->BlockEmail = $block->mBlockEmail;
 480                         $this->BlockEnableAutoblock = $block->mEnableAutoblock;
 481
 482                         # Prepare log parameters
 483                         $logParams = array();
 484                         $logParams[] = $expirestr;
 485                         $logParams[] = $this->blockLogFlags();
 486
 487                         # Make log entry, if the name is hidden, put it in the oversight log
 488                         $log_type = $suppressLog ? 'suppress' : 'block';
 489                         $log = new LogPage( $log_type );
 490                         $log->addEntry( $log_action, Title::makeTitle( NS_USER, $this->BlockAddress ),
 491                                 $reasonstr, $logParams );
 492
 493                         # Report to the user
 494                         return array();
 495                 } else {
 496                         return array('hookaborted');
 497                 }
 498         }
 499
 500         public static function suppressUserName( $name, $userId ) {
 501                 $op = '|'; // bitwise OR
 502                 return self::setUsernameBitfields( $name, $userId, $op );
 503         }
 504
 505         public static function unsuppressUserName( $name, $userId ) {
 506                 $op = '&'; // bitwise AND
 507                 return self::setUsernameBitfields( $name, $userId, $op );
 508         }
 509
 510         private static function setUsernameBitfields( $name, $userId, $op ) {
 511                 if( $op !== '|' && $op !== '&' ) return false; // sanity check
 512                 $dbw = wfGetDB( DB_MASTER );
 513                 $delUser = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
 514                 $delAction = LogPage::DELETED_ACTION | Revision::DELETED_RESTRICTED;
 515                 # Normalize user name
 516                 $userTitle = Title::makeTitleSafe( NS_USER, $name );
 517                 $userDbKey = $userTitle->getDBkey();
 518                 # To suppress, we OR the current bitfields with Revision::DELETED_USER
 519                 # to put a 1 in the username *_deleted bit. To unsuppress we AND the
 520                 # current bitfields with the inverse of Revision::DELETED_USER. The
 521                 # username bit is made to 0 (x & 0 = 0), while others are unchanged (x & 1 = x).
 522                 # The same goes for the sysop-restricted *_deleted bit.
 523                 if( $op == '&' ) {
 524                         $delUser = "~{$delUser}";
 525                         $delAction = "~{$delAction}";
 526                 }
 527                 # Hide name from live edits
 528                 $dbw->update( 'revision', array("rev_deleted = rev_deleted $op $delUser"),
 529                         array('rev_user' => $userId), __METHOD__ );
 530                 # Hide name from deleted edits
 531                 $dbw->update( 'archive', array("ar_deleted = ar_deleted $op $delUser"),
 532                         array('ar_user_text' => $name), __METHOD__ );
 533                 # Hide name from logs
 534                 $dbw->update( 'logging', array("log_deleted = log_deleted $op $delUser"),
 535                         array('log_user' => $userId, "log_type != 'suppress'"), __METHOD__ );
 536                 $dbw->update( 'logging', array("log_deleted = log_deleted $op $delAction"),
 537                         array('log_namespace' => NS_USER, 'log_title' => $userDbKey,
 538                                 "log_type != 'suppress'"), __METHOD__ );
 539                 # Hide name from RC
 540                 $dbw->update( 'recentchanges', array("rc_deleted = rc_deleted $op $delUser"),
 541                         array('rc_user_text' => $name), __METHOD__ );
 542                 $dbw->update( 'recentchanges', array("rc_deleted = rc_deleted $op $delAction"),
 543                         array('rc_namespace' => NS_USER, 'rc_title' => $userDbKey, 'rc_logid > 0'), __METHOD__ );
 544                 # Hide name from live images
 545                 $dbw->update( 'oldimage', array("oi_deleted = oi_deleted $op $delUser"),
 546                         array('oi_user_text' => $name), __METHOD__ );
 547                 # Hide name from deleted images
 548                 # WMF - schema change pending
 549                 # $dbw->update( 'filearchive', array("fa_deleted = fa_deleted $op $delUser"),
 550                 #       array('fa_user_text' => $name), __METHOD__ );
 551                 # Done!
 552                 return true;
 553         }
 554
 555         /**
 556          * UI entry point for blocking
 557          * Wraps around doBlock()
 558          */
 559         public function doSubmit() {
 560                 global $wgOut;
 561                 $retval = $this->doBlock();
 562                 if( empty($retval) ) {
 563                         $titleObj = SpecialPage::getTitleFor( 'Blockip' );
 564                         $wgOut->redirect( $titleObj->getFullURL( 'action=success&ip=' .
 565                                 urlencode( $this->BlockAddress ) ) );
 566                         return;
 567                 }
 568                 $this->showForm( $retval );
 569         }
 570
 571         public function showSuccess() {
 572                 global $wgOut;
 573
 574                 $wgOut->setPagetitle( wfMsg( 'blockip' ) );
 575                 $wgOut->setSubtitle( wfMsg( 'blockipsuccesssub' ) );
 576                 $text = wfMsgExt( 'blockipsuccesstext', array( 'parse' ), $this->BlockAddress );
 577                 $wgOut->addHTML( $text );
 578         }
 579
 580         private function showLogFragment( $out, $title ) {
 581                 global $wgUser;
 582                 $out->addHTML( Xml::element( 'h2', NULL, LogPage::logName( 'block' ) ) );
 583                 $count = LogEventsList::showLogExtract( $out, 'block', $title->getPrefixedText(), '', 10 );
 584                 if( $count > 10 ) {
 585                         $out->addHTML( $wgUser->getSkin()->link(
 586                                 SpecialPage::getTitleFor( 'Log' ),
 587                                 wfMsgHtml( 'blocklog-fulllog' ),
 588                                 array(),
 589                                 array(
 590                                         'type' => 'block',
 591                                         'page' => $title->getPrefixedText() ) ) );
 592                 }
 593                 // Add suppression block entries if allowed
 594                 if( $wgUser->isAllowed('hideuser') ) {
 595                         $out->addHTML( Xml::element( 'h2', NULL, LogPage::logName( 'suppress' ) ) );
 596                         LogEventsList::showLogExtract( $out, 'suppress', $title->getPrefixedText(), '',
 597                                 10, array('log_action' => array('block','reblock','unblock')) );
 598                 }
 599         }
 600
 601         /**
 602          * Return a comma-delimited list of "flags" to be passed to the log
 603          * reader for this block, to provide more information in the logs
 604          *
 605          * @return array
 606          */
 607         private function blockLogFlags() {
 608                 global $wgBlockAllowsUTEdit;
 609                 $flags = array();
 610                 if( $this->BlockAnonOnly && IP::isIPAddress( $this->BlockAddress ) )
 611                         // when blocking a user the option 'anononly' is not available/has no effect -> do not write this into log
 612                         $flags[] = 'anononly';
 613                 if( $this->BlockCreateAccount )
 614                         $flags[] = 'nocreate';
 615                 if( !$this->BlockEnableAutoblock && !IP::isIPAddress( $this->BlockAddress ) )
 616                         // Same as anononly, this is not displayed when blocking an IP address
 617                         $flags[] = 'noautoblock';
 618                 if( $this->BlockEmail )
 619                         $flags[] = 'noemail';
 620                 if( !$this->BlockAllowUsertalk && $wgBlockAllowsUTEdit )
 621                         $flags[] = 'nousertalk';
 622                 if( $this->BlockHideName )
 623                         $flags[] = 'hiddenname';
 624                 return implode( ',', $flags );
 625         }
 626
 627         /**
 628          * Builds unblock and block list links
 629          *
 630          * @return string
 631          */
 632         private function getConvenienceLinks() {
 633                 global $wgUser, $wgLang;
 634                 $skin = $wgUser->getSkin();
 635                 if( $this->BlockAddress )
 636                         $links[] = $this->getContribsLink( $skin );
 637                 $links[] = $this->getUnblockLink( $skin );
 638                 $links[] = $this->getBlockListLink( $skin );
 639                 $links[] = $skin->makeLink ( 'MediaWiki:Ipbreason-dropdown', wfMsgHtml( 'ipb-edit-dropdown' ) );
 640                 return '<p class="mw-ipb-conveniencelinks">' . $wgLang->pipeList( $links ) . '</p>';
 641         }
 642
 643         /**
 644          * Build a convenient link to a user or IP's contribs
 645          * form
 646          *
 647          * @param $skin Skin to use
 648          * @return string
 649          */
 650         private function getContribsLink( $skin ) {
 651                 $contribsPage = SpecialPage::getTitleFor( 'Contributions', $this->BlockAddress );
 652                 return $skin->link( $contribsPage, wfMsgHtml( 'ipb-blocklist-contribs', $this->BlockAddress ) );
 653         }
 654
 655         /**
 656          * Build a convenient link to unblock the given username or IP
 657          * address, if available; otherwise link to a blank unblock
 658          * form
 659          *
 660          * @param $skin Skin to use
 661          * @return string
 662          */
 663         private function getUnblockLink( $skin ) {
 664                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 665                 if( $this->BlockAddress ) {
 666                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 667                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock-addr', $addr ),
 668                                 'action=unblock&ip=' . urlencode( $this->BlockAddress ) );
 669                 } else {
 670                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock' ),      'action=unblock' );
 671                 }
 672         }
 673
 674         /**
 675          * Build a convenience link to the block list
 676          *
 677          * @param $skin Skin to use
 678          * @return string
 679          */
 680         private function getBlockListLink( $skin ) {
 681                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 682                 if( $this->BlockAddress ) {
 683                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 684                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist-addr', $addr ),
 685                                 'ip=' . urlencode( $this->BlockAddress ) );
 686                 } else {
 687                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist' ) );
 688                 }
 689         }
 690
 691         /**
 692         * Block a list of selected users
 693         * @param array $users
 694         * @param string $reason
 695         * @param string $tag replaces user pages
 696         * @param string $talkTag replaces user talk pages
 697         * @returns array, list of html-safe usernames
 698         */
 699         public static function doMassUserBlock( $users, $reason = '', $tag = '', $talkTag = '' ) {
 700                 global $wgUser;
 701                 $counter = $blockSize = 0;
 702                 $safeUsers = array();
 703                 $log = new LogPage( 'block' );
 704                 foreach( $users as $name ) {
 705                         # Enforce limits
 706                         $counter++;
 707                         $blockSize++;
 708                         # Lets not go *too* fast
 709                         if( $blockSize >= 20 ) {
 710                                 $blockSize = 0;
 711                                 wfWaitForSlaves( 5 );
 712                         }
 713                         $u = User::newFromName( $name, false );
 714                         // If user doesn't exist, it ought to be an IP then
 715                         if( is_null($u) || (!$u->getId() && !IP::isIPAddress( $u->getName() )) ) {
 716                                 continue;
 717                         }
 718                         $userTitle = $u->getUserPage();
 719                         $userTalkTitle = $u->getTalkPage();
 720                         $userpage = new Article( $userTitle );
 721                         $usertalk = new Article( $userTalkTitle );
 722                         $safeUsers[] = '[[' . $userTitle->getPrefixedText() . '|' . $userTitle->getText() . ']]';
 723                         $expirestr = $u->getId() ? 'indefinite' : '1 week';
 724                         $expiry = Block::parseExpiryInput( $expirestr );
 725                         $anonOnly = IP::isIPAddress( $u->getName() ) ? 1 : 0;
 726                         // Create the block
 727                         $block = new Block( $u->getName(), // victim
 728                                 $u->getId(), // uid
 729                                 $wgUser->getId(), // blocker
 730                                 $reason, // comment
 731                                 wfTimestampNow(), // block time
 732                                 0, // auto ?
 733                                 $expiry, // duration
 734                                 $anonOnly, // anononly?
 735                                 1, // block account creation?
 736                                 1, // autoblocking?
 737                                 0, // suppress name?
 738                                 0 // block from sending email?
 739                         );
 740                         $oldblock = Block::newFromDB( $u->getName(), $u->getId() );
 741                         if( !$oldblock ) {
 742                                 $block->insert();
 743                                 # Prepare log parameters
 744                                 $logParams = array();
 745                                 $logParams[] = $expirestr;
 746                                 if( $anonOnly ) {
 747                                         $logParams[] = 'anononly';
 748                                 }
 749                                 $logParams[] = 'nocreate';
 750                                 # Add log entry
 751                                 $log->addEntry( 'block', $userTitle, $reason, $logParams );
 752                         }
 753                         # Tag userpage! (check length to avoid mistakes)
 754                         if( strlen($tag) > 2 ) {
 755                                 $userpage->doEdit( $tag, $reason, EDIT_MINOR );
 756                         }
 757                         if( strlen($talkTag) > 2 ) {
 758                                 $usertalk->doEdit( $talkTag, $reason, EDIT_MINOR );
 759                         }
 760                 }
 761                 return $safeUsers;
 762         }
 763 }