includes/specials/SpecialBlockip.php

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