includes/specials/SpecialBlockip.php

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