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                 $wgOut->readOnlyPage();
  18                 return;
  19         }
  20         # Permission check
  21         if( !$wgUser->isAllowed( 'block' ) ) {
  22                 $wgOut->permissionRequired( 'block' );
  23                 return;
  24         }
  25
  26         $ipb = new IPBlockForm( $par );
  27
  28         $action = $wgRequest->getVal( 'action' );
  29         if( 'success' == $action ) {
  30                 $ipb->showSuccess();
  31         } elseif( $wgRequest->wasPosted() && 'submit' == $action &&
  32                 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) ) ) {
  33                 $ipb->doSubmit();
  34         } else {
  35                 $ipb->showForm( '' );
  36         }
  37 }
  38
  39 /**
  40  * Form object for the Special:Blockip page.
  41  *
  42  * @ingroup SpecialPage
  43  */
  44 class IPBlockForm {
  45         var $BlockAddress, $BlockExpiry, $BlockReason;
  46         // The maximum number of edits a user can have and still be hidden
  47         const HIDEUSER_CONTRIBLIMIT = 1000;
  48
  49         public function __construct( $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 = false;
  66                 if( self::canBlockEmail( $wgUser ) ) {
  67                         $this->BlockEmail = $wgRequest->getBool( 'wpEmailBan', false );
  68                 }
  69                 $this->BlockWatchUser = $wgRequest->getBool( 'wpWatchUser', false );
  70                 # Re-check user's rights to hide names, very serious, defaults to null
  71                 if( $wgUser->isAllowed( 'hideuser' ) ) {
  72                         $this->BlockHideName = $wgRequest->getBool( 'wpHideName', null );
  73                 } else {
  74                         $this->BlockHideName = false;
  75                 }
  76                 $this->BlockAllowUsertalk = ( $wgRequest->getBool( 'wpAllowUsertalk', $byDefault ) && $wgBlockAllowsUTEdit );
  77                 $this->BlockReblock = $wgRequest->getBool( 'wpChangeBlock', false );
  78
  79                 $this->wasPosted = $wgRequest->wasPosted();
  80         }
  81
  82         public function showForm( $err ) {
  83                 global $wgOut, $wgUser, $wgSysopUserBans;
  84
  85                 $wgOut->setPageTitle( wfMsg( 'blockip' ) );
  86                 $wgOut->addWikiMsg( 'blockiptext' );
  87
  88                 if( $wgSysopUserBans ) {
  89                         $mIpaddress = Xml::label( wfMsg( 'ipadressorusername' ), 'mw-bi-target' );
  90                 } else {
  91                         $mIpaddress = Xml::label( wfMsg( 'ipaddress' ), 'mw-bi-target' );
  92                 }
  93                 $mIpbexpiry = Xml::label( wfMsg( 'ipbexpiry' ), 'wpBlockExpiry' );
  94                 $mIpbother = Xml::label( wfMsg( 'ipbother' ), 'mw-bi-other' );
  95                 $mIpbreasonother = Xml::label( wfMsg( 'ipbreason' ), 'wpBlockReasonList' );
  96                 $mIpbreason = Xml::label( wfMsg( 'ipbotherreason' ), 'mw-bi-reason' );
  97
  98                 $titleObj = SpecialPage::getTitleFor( 'Blockip' );
  99                 $user = User::newFromName( $this->BlockAddress );
 100
 101                 $alreadyBlocked = false;
 102                 if( $err && $err[0] != 'ipb_already_blocked' ) {
 103                         $key = array_shift( $err );
 104                         $msg = wfMsgReal( $key, $err );
 105                         $wgOut->setSubtitle( wfMsgHtml( 'formerror' ) );
 106                         $wgOut->addHTML( Xml::tags( 'p', array( 'class' => 'error' ), $msg ) );
 107                 } elseif( $this->BlockAddress ) {
 108                         $userId = is_object( $user ) ? $user->getId() : 0;
 109                         $currentBlock = Block::newFromDB( $this->BlockAddress, $userId );
 110                         if( !is_null( $currentBlock ) && !$currentBlock->mAuto && # The block exists and isn't an autoblock
 111                                 ( $currentBlock->mRangeStart == $currentBlock->mRangeEnd || # The block isn't a rangeblock
 112                                 # or if it is, the range is what we're about to block
 113                                 ( $currentBlock->mAddress == $this->BlockAddress ) )
 114                         ) {
 115                                 $wgOut->addWikiMsg( 'ipb-needreblock', $this->BlockAddress );
 116                                 $alreadyBlocked = true;
 117                                 # Set the block form settings to the existing block
 118                                 if( !$this->wasPosted ) {
 119                                         $this->BlockAnonOnly = $currentBlock->mAnonOnly;
 120                                         $this->BlockCreateAccount = $currentBlock->mCreateAccount;
 121                                         $this->BlockEnableAutoblock = $currentBlock->mEnableAutoblock;
 122                                         $this->BlockEmail = $currentBlock->mBlockEmail;
 123                                         $this->BlockHideName = $currentBlock->mHideName;
 124                                         $this->BlockAllowUsertalk = $currentBlock->mAllowUsertalk;
 125                                         if( $currentBlock->mExpiry == 'infinity' ) {
 126                                                 $this->BlockOther = 'indefinite';
 127                                         } else {
 128                                                 $this->BlockOther = wfTimestamp( TS_ISO_8601, $currentBlock->mExpiry );
 129                                         }
 130                                         $this->BlockReason = $currentBlock->mReason;
 131                                 }
 132                         }
 133                 }
 134
 135                 $scBlockExpiryOptions = wfMsgForContent( 'ipboptions' );
 136
 137                 $showblockoptions = $scBlockExpiryOptions != '-';
 138                 if( !$showblockoptions ) $mIpbother = $mIpbexpiry;
 139
 140                 $blockExpiryFormOptions = Xml::option( wfMsg( 'ipbotheroption' ), 'other' );
 141                 foreach( explode( ',', $scBlockExpiryOptions ) as $option ) {
 142                         if( strpos( $option, ':' ) === false ) $option = "$option:$option";
 143                         list( $show, $value ) = explode( ':', $option );
 144                         $show = htmlspecialchars( $show );
 145                         $value = htmlspecialchars( $value );
 146                         $blockExpiryFormOptions .= Xml::option( $show, $value, $this->BlockExpiry === $value ? true : false ) . "\n";
 147                 }
 148
 149                 $reasonDropDown = Xml::listDropDown( 'wpBlockReasonList',
 150                         wfMsgForContent( 'ipbreason-dropdown' ),
 151                         wfMsgForContent( 'ipbreasonotherlist' ), $this->BlockReasonList, 'wpBlockDropDown', 4 );
 152
 153                 global $wgStylePath, $wgStyleVersion;
 154                 $wgOut->addHTML(
 155                         Xml::tags( 'script', array( 'type' => 'text/javascript', 'src' => "$wgStylePath/common/block.js?$wgStyleVersion" ), '' ) .
 156                         Xml::openElement( 'form', array( 'method' => 'post', 'action' => $titleObj->getLocalURL( 'action=submit' ), 'id' => 'blockip' ) ) .
 157                         Xml::openElement( 'fieldset' ) .
 158                         Xml::element( 'legend', null, wfMsg( 'blockip-legend' ) ) .
 159                         Xml::openElement( 'table', array( 'border' => '0', 'id' => 'mw-blockip-table' ) ) .
 160                         "<tr>
 161                                 <td class='mw-label'>
 162                                         {$mIpaddress}
 163                                 </td>
 164                                 <td class='mw-input'>" .
 165                                         Html::input( 'wpBlockAddress', $this->BlockAddress, 'text', array(
 166                                                 'tabindex' => '1',
 167                                                 'id' => 'mw-bi-target',
 168                                                 'onchange' => 'updateBlockOptions()',
 169                                                 'size' => '45',
 170                                                 'required' => ''
 171                                         ) + ( $this->BlockAddress ? array() : array( 'autofocus' ) ) ). "
 172                                 </td>
 173                         </tr>
 174                         <tr>"
 175                 );
 176                 if( $showblockoptions ) {
 177                         $wgOut->addHTML("
 178                                 <td class='mw-label'>
 179                                         {$mIpbexpiry}
 180                                 </td>
 181                                 <td class='mw-input'>" .
 182                                         Xml::tags( 'select',
 183                                                 array(
 184                                                         'id' => 'wpBlockExpiry',
 185                                                         'name' => 'wpBlockExpiry',
 186                                                         'onchange' => 'considerChangingExpiryFocus()',
 187                                                         'tabindex' => '2' ),
 188                                                 $blockExpiryFormOptions ) .
 189                                 "</td>"
 190                         );
 191                 }
 192                 $wgOut->addHTML("
 193                         </tr>
 194                         <tr id='wpBlockOther'>
 195                                 <td class='mw-label'>
 196                                         {$mIpbother}
 197                                 </td>
 198                                 <td class='mw-input'>" .
 199                                         Xml::input( 'wpBlockOther', 45, $this->BlockOther,
 200                                                 array( 'tabindex' => '3', 'id' => 'mw-bi-other' ) ) . "
 201                                 </td>
 202                         </tr>
 203                         <tr>
 204                                 <td class='mw-label'>
 205                                         {$mIpbreasonother}
 206                                 </td>
 207                                 <td class='mw-input'>
 208                                         {$reasonDropDown}
 209                                 </td>
 210                         </tr>
 211                         <tr id=\"wpBlockReason\">
 212                                 <td class='mw-label'>
 213                                         {$mIpbreason}
 214                                 </td>
 215                                 <td class='mw-input'>" .
 216                                 Html::input( 'wpBlockReason', $this->BlockReason, 'text', array(
 217                                         'tabindex' => '5',
 218                                         'id' => 'mw-bi-reason',
 219                                         'maxlength' => '200',
 220                                         'size' => '45'
 221                                 ) + ( $this->BlockAddress ? array( 'autofocus' ) : array() ) ) . "
 222                                 </td>
 223                         </tr>
 224                         <tr id='wpAnonOnlyRow'>
 225                                 <td>&nbsp;</td>
 226                                 <td class='mw-input'>" .
 227                                 Xml::checkLabel( wfMsg( 'ipbanononly' ),
 228                                                 'wpAnonOnly', 'wpAnonOnly', $this->BlockAnonOnly,
 229                                                 array( 'tabindex' => '6' ) ) . "
 230                                 </td>
 231                         </tr>
 232                         <tr id='wpCreateAccountRow'>
 233                                 <td>&nbsp;</td>
 234                                 <td class='mw-input'>" .
 235                                         Xml::checkLabel( wfMsg( 'ipbcreateaccount' ),
 236                                                 'wpCreateAccount', 'wpCreateAccount', $this->BlockCreateAccount,
 237                                                 array( 'tabindex' => '7' ) ) . "
 238                                 </td>
 239                         </tr>
 240                         <tr id='wpEnableAutoblockRow'>
 241                                 <td>&nbsp;</td>
 242                                 <td class='mw-input'>" .
 243                                         Xml::checkLabel( wfMsg( 'ipbenableautoblock' ),
 244                                                 'wpEnableAutoblock', 'wpEnableAutoblock', $this->BlockEnableAutoblock,
 245                                                 array( 'tabindex' => '8' ) ) . "
 246                                 </td>
 247                         </tr>"
 248                 );
 249
 250                 if( self::canBlockEmail( $wgUser ) ) {
 251                         $wgOut->addHTML("
 252                                 <tr id='wpEnableEmailBan'>
 253                                         <td>&nbsp;</td>
 254                                         <td class='mw-input'>" .
 255                                                 Xml::checkLabel( wfMsg( 'ipbemailban' ),
 256                                                         'wpEmailBan', 'wpEmailBan', $this->BlockEmail,
 257                                                         array( 'tabindex' => '9' ) ) . "
 258                                         </td>
 259                                 </tr>"
 260                         );
 261                 }
 262
 263                 // Allow some users to hide name from block log, blocklist and listusers
 264                 if( $wgUser->isAllowed( 'hideuser' ) ) {
 265                         $wgOut->addHTML("
 266                                 <tr id='wpEnableHideUser'>
 267                                         <td>&nbsp;</td>
 268                                         <td class='mw-input'><strong>" .
 269                                                 Xml::checkLabel( wfMsg( 'ipbhidename' ),
 270                                                         'wpHideName', 'wpHideName', $this->BlockHideName,
 271                                                         array( 'tabindex' => '10' )
 272                                                 ) . "
 273                                         </strong></td>
 274                                 </tr>"
 275                         );
 276                 }
 277
 278                 # Watchlist their user page?
 279                 $wgOut->addHTML("
 280                         <tr id='wpEnableWatchUser'>
 281                                 <td>&nbsp;</td>
 282                                 <td class='mw-input'>" .
 283                                         Xml::checkLabel( wfMsg( 'ipbwatchuser' ),
 284                                                 'wpWatchUser', 'wpWatchUser', $this->BlockWatchUser,
 285                                                 array( 'tabindex' => '11' ) ) . "
 286                                 </td>
 287                         </tr>"
 288                 );
 289
 290                 # Can we explicitly disallow the use of user_talk?
 291                 global $wgBlockAllowsUTEdit;
 292                 if( $wgBlockAllowsUTEdit ){
 293                         $wgOut->addHTML("
 294                                 <tr id='wpAllowUsertalkRow'>
 295                                         <td>&nbsp;</td>
 296                                         <td class='mw-input'>" .
 297                                                 Xml::checkLabel( wfMsg( 'ipballowusertalk' ),
 298                                                         'wpAllowUsertalk', 'wpAllowUsertalk', $this->BlockAllowUsertalk,
 299                                                         array( 'tabindex' => '12' ) ) . "
 300                                         </td>
 301                                 </tr>"
 302                         );
 303                 }
 304
 305                 $wgOut->addHTML("
 306                         <tr>
 307                                 <td style='padding-top: 1em'>&nbsp;</td>
 308                                 <td  class='mw-submit' style='padding-top: 1em'>" .
 309                                         Xml::submitButton( wfMsg( $alreadyBlocked ? 'ipb-change-block' : 'ipbsubmit' ),
 310                                                 array( 'name' => 'wpBlock', 'tabindex' => '13', 'accesskey' => 's' ) ) . "
 311                                 </td>
 312                         </tr>" .
 313                         Xml::closeElement( 'table' ) .
 314                         Xml::hidden( 'wpEditToken', $wgUser->editToken() ) .
 315                         ( $alreadyBlocked ? Xml::hidden( 'wpChangeBlock', 1 ) : "" ) .
 316                         Xml::closeElement( 'fieldset' ) .
 317                         Xml::closeElement( 'form' ) .
 318                         Xml::tags( 'script', array( 'type' => 'text/javascript' ), 'updateBlockOptions()' ) . "\n"
 319                 );
 320
 321                 $wgOut->addHTML( $this->getConvenienceLinks() );
 322
 323                 if( is_object( $user ) ) {
 324                         $this->showLogFragment( $wgOut, $user->getUserPage() );
 325                 } elseif( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $this->BlockAddress ) ) {
 326                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 327                 } 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 ) ) {
 328                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 329                 }
 330         }
 331
 332         /**
 333          * Can we do an email block?
 334          * @param User $user The sysop wanting to make a block
 335          * @return boolean
 336          */
 337         public static function canBlockEmail( $user ) {
 338                 global $wgEnableUserEmail, $wgSysopEmailBans;
 339                 return ( $wgEnableUserEmail && $wgSysopEmailBans && $user->isAllowed( 'blockemail' ) );
 340         }
 341
 342         /**
 343          * Backend block code.
 344          * $userID and $expiry will be filled accordingly
 345          * @return array(message key, arguments) on failure, empty array on success
 346          */
 347         function doBlock( &$userId = null, &$expiry = null ) {
 348                 global $wgUser, $wgSysopUserBans, $wgSysopRangeBans, $wgBlockAllowsUTEdit;
 349
 350                 $userId = 0;
 351                 # Expand valid IPv6 addresses, usernames are left as is
 352                 $this->BlockAddress = IP::sanitizeIP( $this->BlockAddress );
 353                 # isIPv4() and IPv6() are used for final validation
 354                 $rxIP4 = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
 355                 $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}';
 356                 $rxIP = "($rxIP4|$rxIP6)";
 357
 358                 # Check for invalid specifications
 359                 if( !preg_match( "/^$rxIP$/", $this->BlockAddress ) ) {
 360                         $matches = array();
 361                         if( preg_match( "/^($rxIP4)\\/(\\d{1,2})$/", $this->BlockAddress, $matches ) ) {
 362                                 # IPv4
 363                                 if( $wgSysopRangeBans ) {
 364                                         if( !IP::isIPv4( $this->BlockAddress ) || $matches[2] < 16 || $matches[2] > 32 ) {
 365                                                 return array( 'ip_range_invalid' );
 366                                         }
 367                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 368                                 } else {
 369                                         # Range block illegal
 370                                         return array( 'range_block_disabled' );
 371                                 }
 372                         } elseif( preg_match( "/^($rxIP6)\\/(\\d{1,3})$/", $this->BlockAddress, $matches ) ) {
 373                                 # IPv6
 374                                 if( $wgSysopRangeBans ) {
 375                                         if( !IP::isIPv6( $this->BlockAddress ) || $matches[2] < 64 || $matches[2] > 128 ) {
 376                                                 return array( 'ip_range_invalid' );
 377                                         }
 378                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 379                                 } else {
 380                                         # Range block illegal
 381                                         return array('range_block_disabled');
 382                                 }
 383                         } else {
 384                                 # Username block
 385                                 if( $wgSysopUserBans ) {
 386                                         $user = User::newFromName( $this->BlockAddress );
 387                                         if( !is_null( $user ) && $user->getId() ) {
 388                                                 # Use canonical name
 389                                                 $userId = $user->getId();
 390                                                 $this->BlockAddress = $user->getName();
 391                                         } else {
 392                                                 return array( 'nosuchusershort', htmlspecialchars( $user ? $user->getName() : $this->BlockAddress ) );
 393                                         }
 394                                 } else {
 395                                         return array( 'badipaddress' );
 396                                 }
 397                         }
 398                 }
 399
 400                 if( $wgUser->isBlocked() && ( $wgUser->getId() !== $userId ) ) {
 401                         return array( 'cant-block-while-blocked' );
 402                 }
 403
 404                 $reasonstr = $this->BlockReasonList;
 405                 if( $reasonstr != 'other' && $this->BlockReason != '' ) {
 406                         // Entry from drop down menu + additional comment
 407                         $reasonstr .= wfMsgForContent( 'colon-separator' ) . $this->BlockReason;
 408                 } elseif( $reasonstr == 'other' ) {
 409                         $reasonstr = $this->BlockReason;
 410                 }
 411
 412                 $expirestr = $this->BlockExpiry;
 413                 if( $expirestr == 'other' )
 414                         $expirestr = $this->BlockOther;
 415
 416                 if( ( strlen( $expirestr ) == 0) || ( strlen( $expirestr ) > 50 ) ) {
 417                         return array( 'ipb_expiry_invalid' );
 418                 }
 419
 420                 if( false === ( $expiry = Block::parseExpiryInput( $expirestr ) ) ) {
 421                         // Bad expiry.
 422                         return array( 'ipb_expiry_invalid' );
 423                 }
 424
 425                 if( $this->BlockHideName ) {
 426                         // Recheck params here...
 427                         if( !$userId || !$wgUser->isAllowed('hideuser') ) {
 428                                 $this->BlockHideName = false; // IP users should not be hidden
 429                         } elseif( $expiry !== 'infinity' ) {
 430                                 // Bad expiry.
 431                                 return array( 'ipb_expiry_temp' );
 432                         } elseif( User::edits( $userId ) > self::HIDEUSER_CONTRIBLIMIT ) {
 433                                 // Typically, the user should have a handful of edits.
 434                                 // Disallow hiding users with many edits for performance.
 435                                 return array( 'ipb_hide_invalid' );
 436                         }
 437                 }
 438
 439                 # Create block object
 440                 # Note: for a user block, ipb_address is only for display purposes
 441                 $block = new Block( $this->BlockAddress, $userId, $wgUser->getId(),
 442                         $reasonstr, wfTimestampNow(), 0, $expiry, $this->BlockAnonOnly,
 443                         $this->BlockCreateAccount, $this->BlockEnableAutoblock, $this->BlockHideName,
 444                         $this->BlockEmail,
 445                         isset( $this->BlockAllowUsertalk ) ? $this->BlockAllowUsertalk : $wgBlockAllowsUTEdit
 446                 );
 447
 448                 # Should this be privately logged?
 449                 $suppressLog = (bool)$this->BlockHideName;
 450                 if( wfRunHooks( 'BlockIp', array( &$block, &$wgUser ) ) ) {
 451                         # Try to insert block. Is there a conflicting block?
 452                         if( !$block->insert() ) {
 453                                 # Show form unless the user is already aware of this...
 454                                 if( !$this->BlockReblock ) {
 455                                         return array( 'ipb_already_blocked' );
 456                                 # Otherwise, try to update the block...
 457                                 } else {
 458                                         # This returns direct blocks before autoblocks/rangeblocks, since we should
 459                                         # be sure the user is blocked by now it should work for our purposes
 460                                         $currentBlock = Block::newFromDB( $this->BlockAddress, $userId );
 461                                         if( $block->equals( $currentBlock ) ) {
 462                                                 return array( 'ipb_already_blocked' );
 463                                         }
 464                                         # If the name was hidden and the blocking user cannot hide
 465                                         # names, then don't allow any block changes...
 466                                         if( $currentBlock->mHideName && !$wgUser->isAllowed( 'hideuser' ) ) {
 467                                                 return array( 'cant-see-hidden-user' );
 468                                         }
 469                                         $currentBlock->delete();
 470                                         $block->insert();
 471                                         # If hiding/unhiding a name, this should go in the private logs
 472                                         $suppressLog = $suppressLog || (bool)$currentBlock->mHideName;
 473                                         $log_action = 'reblock';
 474                                         # Unset _deleted fields if requested
 475                                         if( $currentBlock->mHideName && !$this->BlockHideName ) {
 476                                                 self::unsuppressUserName( $this->BlockAddress, $userId );
 477                                         }
 478                                 }
 479                         } else {
 480                                 $log_action = 'block';
 481                         }
 482                         wfRunHooks( 'BlockIpComplete', array( $block, $wgUser ) );
 483
 484                         # Set *_deleted fields if requested
 485                         if( $this->BlockHideName ) {
 486                                 self::suppressUserName( $this->BlockAddress, $userId );
 487                         }
 488
 489                         # Only show watch link when this is no range block
 490                         if( $this->BlockWatchUser && $block->mRangeStart == $block->mRangeEnd ) {
 491                                 $wgUser->addWatch( Title::makeTitle( NS_USER, $this->BlockAddress ) );
 492                         }
 493
 494                         # Block constructor sanitizes certain block options on insert
 495                         $this->BlockEmail = $block->mBlockEmail;
 496                         $this->BlockEnableAutoblock = $block->mEnableAutoblock;
 497
 498                         # Prepare log parameters
 499                         $logParams = array();
 500                         $logParams[] = $expirestr;
 501                         $logParams[] = $this->blockLogFlags();
 502
 503                         # Make log entry, if the name is hidden, put it in the oversight log
 504                         $log_type = $suppressLog ? 'suppress' : 'block';
 505                         $log = new LogPage( $log_type );
 506                         $log->addEntry( $log_action, Title::makeTitle( NS_USER, $this->BlockAddress ),
 507                                 $reasonstr, $logParams );
 508
 509                         # Report to the user
 510                         return array();
 511                 } else {
 512                         return array( 'hookaborted' );
 513                 }
 514         }
 515
 516         public static function suppressUserName( $name, $userId ) {
 517                 $op = '|'; // bitwise OR
 518                 return self::setUsernameBitfields( $name, $userId, $op );
 519         }
 520
 521         public static function unsuppressUserName( $name, $userId ) {
 522                 $op = '&'; // bitwise AND
 523                 return self::setUsernameBitfields( $name, $userId, $op );
 524         }
 525
 526         private static function setUsernameBitfields( $name, $userId, $op ) {
 527                 if( $op !== '|' && $op !== '&' ) return false; // sanity check
 528                 $dbw = wfGetDB( DB_MASTER );
 529                 $delUser = Revision::DELETED_USER | Revision::DELETED_RESTRICTED;
 530                 $delAction = LogPage::DELETED_ACTION | Revision::DELETED_RESTRICTED;
 531                 # Normalize user name
 532                 $userTitle = Title::makeTitleSafe( NS_USER, $name );
 533                 $userDbKey = $userTitle->getDBkey();
 534                 # To suppress, we OR the current bitfields with Revision::DELETED_USER
 535                 # to put a 1 in the username *_deleted bit. To unsuppress we AND the
 536                 # current bitfields with the inverse of Revision::DELETED_USER. The
 537                 # username bit is made to 0 (x & 0 = 0), while others are unchanged (x & 1 = x).
 538                 # The same goes for the sysop-restricted *_deleted bit.
 539                 if( $op == '&' ) {
 540                         $delUser = "~{$delUser}";
 541                         $delAction = "~{$delAction}";
 542                 }
 543                 # Hide name from live edits
 544                 $dbw->update( 'revision', array( "rev_deleted = rev_deleted $op $delUser" ),
 545                         array( 'rev_user' => $userId ), __METHOD__ );
 546                 # Hide name from deleted edits
 547                 $dbw->update( 'archive', array( "ar_deleted = ar_deleted $op $delUser" ),
 548                         array( 'ar_user_text' => $name ), __METHOD__ );
 549                 # Hide name from logs
 550                 $dbw->update( 'logging', array( "log_deleted = log_deleted $op $delUser" ),
 551                         array( 'log_user' => $userId, "log_type != 'suppress'" ), __METHOD__ );
 552                 $dbw->update( 'logging', array( "log_deleted = log_deleted $op $delAction" ),
 553                         array( 'log_namespace' => NS_USER, 'log_title' => $userDbKey,
 554                                 "log_type != 'suppress'" ), __METHOD__ );
 555                 # Hide name from RC
 556                 $dbw->update( 'recentchanges', array( "rc_deleted = rc_deleted $op $delUser" ),
 557                         array( 'rc_user_text' => $name ), __METHOD__ );
 558                 $dbw->update( 'recentchanges', array( "rc_deleted = rc_deleted $op $delAction" ),
 559                         array( 'rc_namespace' => NS_USER, 'rc_title' => $userDbKey, 'rc_logid > 0' ), __METHOD__ );
 560                 # Hide name from live images
 561                 $dbw->update( 'oldimage', array( "oi_deleted = oi_deleted $op $delUser" ),
 562                         array( 'oi_user_text' => $name ), __METHOD__ );
 563                 # Hide name from deleted images
 564                 # WMF - schema change pending
 565                 # $dbw->update( 'filearchive', array( "fa_deleted = fa_deleted $op $delUser" ),
 566                 #       array( 'fa_user_text' => $name ), __METHOD__ );
 567                 # Done!
 568                 return true;
 569         }
 570
 571         /**
 572          * UI entry point for blocking
 573          * Wraps around doBlock()
 574          */
 575         public function doSubmit() {
 576                 global $wgOut;
 577                 $retval = $this->doBlock();
 578                 if( empty( $retval ) ) {
 579                         $titleObj = SpecialPage::getTitleFor( 'Blockip' );
 580                         $wgOut->redirect( $titleObj->getFullURL( 'action=success&ip=' .
 581                                 urlencode( $this->BlockAddress ) ) );
 582                         return;
 583                 }
 584                 $this->showForm( $retval );
 585         }
 586
 587         public function showSuccess() {
 588                 global $wgOut;
 589
 590                 $wgOut->setPageTitle( wfMsg( 'blockip' ) );
 591                 $wgOut->setSubtitle( wfMsg( 'blockipsuccesssub' ) );
 592                 $text = wfMsgExt( 'blockipsuccesstext', array( 'parse' ), $this->BlockAddress );
 593                 $wgOut->addHTML( $text );
 594         }
 595
 596         private function showLogFragment( $out, $title ) {
 597                 global $wgUser;
 598
 599                 // Used to support GENDER in 'blocklog-showlog' and 'blocklog-showsuppresslog'
 600                 $userBlocked = $title->getText();
 601
 602                 LogEventsList::showLogExtract(
 603                         $out,
 604                         'block',
 605                         $title->getPrefixedText(),
 606                         '',
 607                         array(
 608                                 'lim' => 10,
 609                                 'msgKey' => array(
 610                                         'blocklog-showlog',
 611                                         $userBlocked
 612                                 ),
 613                                 'showIfEmpty' => false
 614                         )
 615                 );
 616
 617                 // Add suppression block entries if allowed
 618                 if( $wgUser->isAllowed( 'hideuser' ) ) {
 619                         LogEventsList::showLogExtract( $out, 'suppress', $title->getPrefixedText(), '',
 620                                 array(
 621                                         'lim' => 10,
 622                                         'conds' => array(
 623                                                 'log_action' => array(
 624                                                         'block',
 625                                                         'reblock',
 626                                                         'unblock'
 627                                                 )
 628                                         ),
 629                                         'msgKey' => array(
 630                                                 'blocklog-showsuppresslog',
 631                                                 $userBlocked
 632                                         ),
 633                                         'showIfEmpty' => false
 634                                 )
 635                         );
 636                 }
 637         }
 638
 639         /**
 640          * Return a comma-delimited list of "flags" to be passed to the log
 641          * reader for this block, to provide more information in the logs
 642          *
 643          * @return array
 644          */
 645         private function blockLogFlags() {
 646                 global $wgBlockAllowsUTEdit;
 647                 $flags = array();
 648                 if( $this->BlockAnonOnly && IP::isIPAddress( $this->BlockAddress ) )
 649                         // when blocking a user the option 'anononly' is not available/has no effect -> do not write this into log
 650                         $flags[] = 'anononly';
 651                 if( $this->BlockCreateAccount )
 652                         $flags[] = 'nocreate';
 653                 if( !$this->BlockEnableAutoblock && !IP::isIPAddress( $this->BlockAddress ) )
 654                         // Same as anononly, this is not displayed when blocking an IP address
 655                         $flags[] = 'noautoblock';
 656                 if( $this->BlockEmail )
 657                         $flags[] = 'noemail';
 658                 if( !$this->BlockAllowUsertalk && $wgBlockAllowsUTEdit )
 659                         $flags[] = 'nousertalk';
 660                 if( $this->BlockHideName )
 661                         $flags[] = 'hiddenname';
 662                 return implode( ',', $flags );
 663         }
 664
 665         /**
 666          * Builds unblock and block list links
 667          *
 668          * @return string
 669          */
 670         private function getConvenienceLinks() {
 671                 global $wgUser, $wgLang;
 672                 $skin = $wgUser->getSkin();
 673                 if( $this->BlockAddress )
 674                         $links[] = $this->getContribsLink( $skin );
 675                 $links[] = $this->getUnblockLink( $skin );
 676                 $links[] = $this->getBlockListLink( $skin );
 677                 $title = Title::makeTitle( NS_MEDIAWIKI, 'Ipbreason-dropdown' );
 678                 $links[] = $skin->link(
 679                         $title,
 680                         wfMsgHtml( 'ipb-edit-dropdown' ),
 681                         array(),
 682                         array( 'action' => 'edit' )
 683                 );
 684                 return '<p class="mw-ipb-conveniencelinks">' . $wgLang->pipeList( $links ) . '</p>';
 685         }
 686
 687         /**
 688          * Build a convenient link to a user or IP's contribs
 689          * form
 690          *
 691          * @param $skin Skin to use
 692          * @return string
 693          */
 694         private function getContribsLink( $skin ) {
 695                 $contribsPage = SpecialPage::getTitleFor( 'Contributions', $this->BlockAddress );
 696                 return $skin->link( $contribsPage, wfMsgExt( 'ipb-blocklist-contribs', 'escape', $this->BlockAddress ) );
 697         }
 698
 699         /**
 700          * Build a convenient link to unblock the given username or IP
 701          * address, if available; otherwise link to a blank unblock
 702          * form
 703          *
 704          * @param $skin Skin to use
 705          * @return string
 706          */
 707         private function getUnblockLink( $skin ) {
 708                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 709                 $query = array( 'action' => 'unblock' );
 710
 711                 if( $this->BlockAddress ) {
 712                         $addr = strtr( $this->BlockAddress, '_', ' ' );
 713                         $message = wfMsg( 'ipb-unblock-addr', $addr );
 714                         $query['ip'] = $this->BlockAddress;
 715                 } else {
 716                         $message = wfMsg( 'ipb-unblock' );
 717                 }
 718                 return $skin->linkKnown(
 719                         $list,
 720                         htmlspecialchars( $message ),
 721                         array(),
 722                         $query
 723                 );
 724         }
 725
 726         /**
 727          * Build a convenience link to the block list
 728          *
 729          * @param $skin Skin to use
 730          * @return string
 731          */
 732         private function getBlockListLink( $skin ) {
 733                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 734                 $query = array();
 735
 736                 if( $this->BlockAddress ) {
 737                         $addr = strtr( $this->BlockAddress, '_', ' ' );
 738                         $message = wfMsg( 'ipb-blocklist-addr', $addr );
 739                         $query['ip'] = $this->BlockAddress;
 740                 } else {
 741                         $message = wfMsg( 'ipb-blocklist' );
 742                 }
 743
 744                 return $skin->linkKnown(
 745                         $list,
 746                         htmlspecialchars( $message ),
 747                         array(),
 748                         $query
 749                 );
 750         }
 751
 752         /**
 753          * Block a list of selected users
 754          * @param array $users
 755          * @param string $reason
 756          * @param string $tag replaces user pages
 757          * @param string $talkTag replaces user talk pages
 758          * @returns array, list of html-safe usernames
 759          */
 760         public static function doMassUserBlock( $users, $reason = '', $tag = '', $talkTag = '' ) {
 761                 global $wgUser;
 762                 $counter = $blockSize = 0;
 763                 $safeUsers = array();
 764                 $log = new LogPage( 'block' );
 765                 foreach( $users as $name ) {
 766                         # Enforce limits
 767                         $counter++;
 768                         $blockSize++;
 769                         # Lets not go *too* fast
 770                         if( $blockSize >= 20 ) {
 771                                 $blockSize = 0;
 772                                 wfWaitForSlaves( 5 );
 773                         }
 774                         $u = User::newFromName( $name, false );
 775                         // If user doesn't exist, it ought to be an IP then
 776                         if( is_null( $u ) || ( !$u->getId() && !IP::isIPAddress( $u->getName() ) ) ) {
 777                                 continue;
 778                         }
 779                         $userTitle = $u->getUserPage();
 780                         $userTalkTitle = $u->getTalkPage();
 781                         $userpage = new Article( $userTitle );
 782                         $usertalk = new Article( $userTalkTitle );
 783                         $safeUsers[] = '[[' . $userTitle->getPrefixedText() . '|' . $userTitle->getText() . ']]';
 784                         $expirestr = $u->getId() ? 'indefinite' : '1 week';
 785                         $expiry = Block::parseExpiryInput( $expirestr );
 786                         $anonOnly = IP::isIPAddress( $u->getName() ) ? 1 : 0;
 787                         // Create the block
 788                         $block = new Block( $u->getName(), // victim
 789                                 $u->getId(), // uid
 790                                 $wgUser->getId(), // blocker
 791                                 $reason, // comment
 792                                 wfTimestampNow(), // block time
 793                                 0, // auto ?
 794                                 $expiry, // duration
 795                                 $anonOnly, // anononly?
 796                                 1, // block account creation?
 797                                 1, // autoblocking?
 798                                 0, // suppress name?
 799                                 0 // block from sending email?
 800                         );
 801                         $oldblock = Block::newFromDB( $u->getName(), $u->getId() );
 802                         if( !$oldblock ) {
 803                                 $block->insert();
 804                                 # Prepare log parameters
 805                                 $logParams = array();
 806                                 $logParams[] = $expirestr;
 807                                 if( $anonOnly ) {
 808                                         $logParams[] = 'anononly';
 809                                 }
 810                                 $logParams[] = 'nocreate';
 811                                 # Add log entry
 812                                 $log->addEntry( 'block', $userTitle, $reason, $logParams );
 813                         }
 814                         # Tag userpage! (check length to avoid mistakes)
 815                         if( strlen( $tag ) > 2 ) {
 816                                 $userpage->doEdit( $tag, $reason, EDIT_MINOR );
 817                         }
 818                         if( strlen( $talkTag ) > 2 ) {
 819                                 $usertalk->doEdit( $talkTag, $reason, EDIT_MINOR );
 820                         }
 821                 }
 822                 return $safeUsers;
 823         }
 824 }