includes/SpecialBlockip.php

   1 <?php
   2 /**
   3  * Constructor for Special:Blockip page
   4  *
   5  * @addtogroup SpecialPage
   6  */
   7
   8 /**
   9  * Constructor
  10  */
  11 function wfSpecialBlockip( $par ) {
  12         global $wgUser, $wgOut, $wgRequest;
  13
  14         # Can't block when the database is locked
  15         if( wfReadOnly() ) {
  16                 $wgOut->readOnlyPage();
  17                 return;
  18         }
  19
  20         # Permission check
  21         if( !$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         } else if ( $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  * @addtogroup SpecialPage
  43  */
  44 class IPBlockForm {
  45         var $BlockAddress, $BlockExpiry, $BlockReason;
  46
  47         function IPBlockForm( $par ) {
  48                 global $wgRequest, $wgUser;
  49
  50                 $this->BlockAddress = $wgRequest->getVal( 'wpBlockAddress', $wgRequest->getVal( 'ip', $par ) );
  51                 $this->BlockAddress = strtr( $this->BlockAddress, '_', ' ' );
  52                 $this->BlockReason = $wgRequest->getText( 'wpBlockReason' );
  53                 $this->BlockReasonList = $wgRequest->getText( 'wpBlockReasonList' );
  54                 $this->BlockExpiry = $wgRequest->getVal( 'wpBlockExpiry', wfMsg('ipbotheroption') );
  55                 $this->BlockOther = $wgRequest->getVal( 'wpBlockOther', '' );
  56
  57                 # Unchecked checkboxes are not included in the form data at all, so having one
  58                 # that is true by default is a bit tricky
  59                 $byDefault = !$wgRequest->wasPosted();
  60                 $this->BlockAnonOnly = $wgRequest->getBool( 'wpAnonOnly', $byDefault );
  61                 $this->BlockCreateAccount = $wgRequest->getBool( 'wpCreateAccount', $byDefault );
  62                 $this->BlockEnableAutoblock = $wgRequest->getBool( 'wpEnableAutoblock', $byDefault );
  63                 # Re-check user's rights to hide names, very serious, defaults to 0
  64                 $this->BlockHideName = $wgRequest->getBool( 'wpHideName', 0 ) && $wgUser->isAllowed( 'hideuser' );
  65         }
  66
  67         function showForm( $err ) {
  68                 global $wgOut, $wgUser, $wgSysopUserBans;
  69
  70                 $wgOut->setPagetitle( wfMsg( 'blockip' ) );
  71                 $wgOut->addWikiText( wfMsg( 'blockiptext' ) );
  72
  73                 if($wgSysopUserBans) {
  74                         $mIpaddress = Xml::label( wfMsg( 'ipadressorusername' ), 'mw-bi-target' );
  75                 } else {
  76                         $mIpaddress = Xml::label( wfMsg( 'ipadress' ), 'mw-bi-target' );
  77                 }
  78                 $mIpbexpiry = Xml::label( wfMsg( 'ipbexpiry' ), 'wpBlockExpiry' );
  79                 $mIpbother = Xml::label( wfMsg( 'ipbother' ), 'mw-bi-other' );
  80                 $mIpbothertime = wfMsgHtml( 'ipbotheroption' );
  81                 $mIpbreasonother = Xml::label( wfMsg( 'ipbreason' ), 'wpBlockReasonList' );
  82                 $mIpbreason = Xml::label( wfMsg( 'ipbotherreason' ), 'mw-bi-reason' );
  83                 $mIpbreasonotherlist = wfMsgHtml( 'ipbreasonotherlist' );
  84
  85                 $titleObj = SpecialPage::getTitleFor( 'Blockip' );
  86                 $action = $titleObj->escapeLocalURL( "action=submit" );
  87
  88                 if ( "" != $err ) {
  89                         $wgOut->setSubtitle( wfMsgHtml( 'formerror' ) );
  90                         $wgOut->addHTML( "<p class='error'>{$err}</p>\n" );
  91                 }
  92
  93                 $scBlockExpiryOptions = wfMsgForContent( 'ipboptions' );
  94
  95                 $showblockoptions = $scBlockExpiryOptions != '-';
  96                 if (!$showblockoptions)
  97                         $mIpbother = $mIpbexpiry;
  98
  99                 $blockExpiryFormOptions = "<option value=\"other\">$mIpbothertime</option>";
 100                 foreach (explode(',', $scBlockExpiryOptions) as $option) {
 101                         if ( strpos($option, ":") === false ) $option = "$option:$option";
 102                         list($show, $value) = explode(":", $option);
 103                         $show = htmlspecialchars($show);
 104                         $value = htmlspecialchars($value);
 105                         $selected = "";
 106                         if ($this->BlockExpiry === $value)
 107                                 $selected = ' selected="selected"';
 108                         $blockExpiryFormOptions .= "<option value=\"$value\"$selected>$show</option>";
 109                 }
 110
 111                 $scBlockReasonList = wfMsgForContent( 'ipbreason-dropdown' );
 112                 $blockReasonList = '';
 113                 if ( $scBlockReasonList != '' && $scBlockReasonList != '-' ) {
 114                         $blockReasonList = "<option value=\"other\">$mIpbreasonotherlist</option>";
 115                         $optgroup = "";
 116                         foreach ( explode( "\n", $scBlockReasonList ) as $option) {
 117                                 $value = trim( htmlspecialchars($option) );
 118                                 if ( $value == '' ) {
 119                                         continue;
 120                                 } elseif ( substr( $value, 0, 1) == '*' && substr( $value, 1, 1) != '*' ) {
 121                                         // A new group is starting ...
 122                                         $value = trim( substr( $value, 1 ) );
 123                                         $blockReasonList .= "$optgroup<optgroup label=\"$value\">";
 124                                         $optgroup = "</optgroup>";
 125                                 } elseif ( substr( $value, 0, 2) == '**' ) {
 126                                         // groupmember
 127                                         $selected = "";
 128                                         $value = trim( substr( $value, 2 ) );
 129                                         if ( $this->BlockReasonList === $value)
 130                                                 $selected = ' selected="selected"';
 131                                         $blockReasonList .= "<option value=\"$value\"$selected>$value</option>";
 132                                 } else {
 133                                         // groupless block reason
 134                                         $selected = "";
 135                                         if ( $this->BlockReasonList === $value)
 136                                                 $selected = ' selected="selected"';
 137                                         $blockReasonList .= "$optgroup<option value=\"$value\"$selected>$value</option>";
 138                                         $optgroup = "";
 139                                 }
 140                         }
 141                         $blockReasonList .= $optgroup;
 142                 }
 143
 144                 $token = htmlspecialchars( $wgUser->editToken() );
 145
 146                 global $wgStylePath, $wgStyleVersion;
 147                 $wgOut->addHTML( "
 148 <script type=\"text/javascript\" src=\"$wgStylePath/common/block.js?$wgStyleVersion\">
 149 </script>
 150 <form id=\"blockip\" method=\"post\" action=\"{$action}\">
 151         <table border='0'>
 152                 <tr>
 153                         <td align=\"right\">{$mIpaddress}:</td>
 154                         <td align=\"left\">
 155                                 " . Xml::input( 'wpBlockAddress', 45, $this->BlockAddress,
 156                                         array(
 157                                                 'tabindex' => '1',
 158                                                 'id' => 'mw-bi-target',
 159                                                 'onchange' => 'updateBlockOptions()' ) ) . "
 160                         </td>
 161                 </tr>
 162                 <tr>");
 163                 if ($showblockoptions) {
 164                         $wgOut->addHTML("
 165                         <td align=\"right\">{$mIpbexpiry}:</td>
 166                         <td align=\"left\">
 167                                 <select tabindex='2' id='wpBlockExpiry' name=\"wpBlockExpiry\" onchange=\"considerChangingExpiryFocus()\">
 168                                         $blockExpiryFormOptions
 169                                 </select>
 170                         </td>
 171                         ");
 172                 }
 173                 $wgOut->addHTML("
 174                 </tr>
 175                 <tr id='wpBlockOther'>
 176                         <td align=\"right\">{$mIpbother}:</td>
 177                         <td align=\"left\">
 178                                 " . Xml::input( 'wpBlockOther', 45, $this->BlockOther,
 179                                         array( 'tabindex' => '3', 'id' => 'mw-bi-other' ) ) . "
 180                         </td>
 181                 </tr>");
 182                 if ( $blockReasonList != '' ) {
 183                         $wgOut->addHTML("
 184                         <tr>
 185                                 <td align=\"right\">{$mIpbreasonother}:</td>
 186                                 <td align=\"left\">
 187                                         <select tabindex='4' id=\"wpBlockReasonList\" name=\"wpBlockReasonList\">
 188                                                 $blockReasonList
 189                                                 </select>
 190                                 </td>
 191                         </tr>");
 192                 }
 193                 $wgOut->addHTML("
 194                 <tr id=\"wpBlockReason\">
 195                         <td align=\"right\">{$mIpbreason}:</td>
 196                         <td align=\"left\">
 197                                 " . Xml::input( 'wpBlockReason', 45, $this->BlockReason,
 198                                         array( 'tabindex' => '5', 'id' => 'mw-bi-reason' ) ) . "
 199                         </td>
 200                 </tr>
 201                 <tr id='wpAnonOnlyRow'>
 202                         <td>&nbsp;</td>
 203                         <td align=\"left\">
 204                                 " . wfCheckLabel( wfMsgHtml( 'ipbanononly' ),
 205                                         'wpAnonOnly', 'wpAnonOnly', $this->BlockAnonOnly,
 206                                         array( 'tabindex' => '6' ) ) . "
 207                         </td>
 208                 </tr>
 209                 <tr id='wpCreateAccountRow'>
 210                         <td>&nbsp;</td>
 211                         <td align=\"left\">
 212                                 " . wfCheckLabel( wfMsgHtml( 'ipbcreateaccount' ),
 213                                         'wpCreateAccount', 'wpCreateAccount', $this->BlockCreateAccount,
 214                                         array( 'tabindex' => '7' ) ) . "
 215                         </td>
 216                 </tr>
 217                 <tr id='wpEnableAutoblockRow'>
 218                         <td>&nbsp;</td>
 219                         <td align=\"left\">
 220                                 " . wfCheckLabel( wfMsgHtml( 'ipbenableautoblock' ),
 221                                                 'wpEnableAutoblock', 'wpEnableAutoblock', $this->BlockEnableAutoblock,
 222                                                         array( 'tabindex' => '8' ) ) . "
 223                         </td>
 224                 </tr>
 225                 ");
 226                 // Allow some users to hide name from block log, blocklist and listusers
 227                 if ( $wgUser->isAllowed( 'hideuser' ) ) {
 228                         $wgOut->addHTML("
 229                         <tr>
 230                         <td>&nbsp;</td>
 231                                 <td align=\"left\">
 232                                         " . wfCheckLabel( wfMsgHtml( 'ipbhidename' ),
 233                                                         'wpHideName', 'wpHideName', $this->BlockHideName,
 234                                                                 array( 'tabindex' => '9' ) ) . "
 235                                 </td>
 236                         </tr>
 237                         ");
 238                 }
 239                 $wgOut->addHTML("
 240                 <tr>
 241                         <td style='padding-top: 1em'>&nbsp;</td>
 242                         <td style='padding-top: 1em' align=\"left\">
 243                                 " . Xml::submitButton( wfMsgHtml( 'ipbsubmit' ),
 244                                                         array( 'name' => 'wpBlock', 'tabindex' => '10' ) ) . "
 245                         </td>
 246                 </tr>
 247         </table>" .
 248         Xml::hidden( 'wpEditToken', $token ) .
 249 "</form>
 250 <script type=\"text/javascript\">updateBlockOptions()</script>
 251 \n" );
 252
 253                 $wgOut->addHtml( $this->getConvenienceLinks() );
 254
 255                 $user = User::newFromName( $this->BlockAddress );
 256                 if( is_object( $user ) ) {
 257                         $this->showLogFragment( $wgOut, $user->getUserPage() );
 258                 } elseif( preg_match( '/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/', $this->BlockAddress ) ) {
 259                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 260                 } 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 ) ) {
 261                         $this->showLogFragment( $wgOut, Title::makeTitle( NS_USER, $this->BlockAddress ) );
 262                 }
 263         }
 264
 265         function doSubmit() {
 266                 global $wgOut, $wgUser, $wgSysopUserBans, $wgSysopRangeBans;
 267
 268                 $userId = 0;
 269                 # Expand valid IPv6 addresses, usernames are left as is
 270                 $this->BlockAddress = IP::sanitizeIP( $this->BlockAddress );
 271                 # isIPv4() and IPv6() are used for final validation
 272                 $rxIP4 = '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
 273                 $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}';
 274                 $rxIP = "($rxIP4|$rxIP6)";
 275
 276                 # Check for invalid specifications
 277                 if ( !preg_match( "/^$rxIP$/", $this->BlockAddress ) ) {
 278                         $matches = array();
 279                         if ( preg_match( "/^($rxIP4)\\/(\\d{1,2})$/", $this->BlockAddress, $matches ) ) {
 280                                 # IPv4
 281                                 if ( $wgSysopRangeBans ) {
 282                                         if ( !IP::isIPv4( $this->BlockAddress ) || $matches[2] < 16 || $matches[2] > 32 ) {
 283                                                 $this->showForm( wfMsg( 'ip_range_invalid' ) );
 284                                                 return;
 285                                         }
 286                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 287                                 } else {
 288                                         # Range block illegal
 289                                         $this->showForm( wfMsg( 'range_block_disabled' ) );
 290                                         return;
 291                                 }
 292                         } else if ( preg_match( "/^($rxIP6)\\/(\\d{1,3})$/", $this->BlockAddress, $matches ) ) {
 293                                 # IPv6
 294                                 if ( $wgSysopRangeBans ) {
 295                                         if ( !IP::isIPv6( $this->BlockAddress ) || $matches[2] < 64 || $matches[2] > 128 ) {
 296                                                 $this->showForm( wfMsg( 'ip_range_invalid' ) );
 297                                                 return;
 298                                         }
 299                                         $this->BlockAddress = Block::normaliseRange( $this->BlockAddress );
 300                                 } else {
 301                                         # Range block illegal
 302                                         $this->showForm( wfMsg( 'range_block_disabled' ) );
 303                                         return;
 304                                 }
 305                         } else {
 306                                 # Username block
 307                                 if ( $wgSysopUserBans ) {
 308                                         $user = User::newFromName( $this->BlockAddress );
 309                                         if( !is_null( $user ) && $user->getID() ) {
 310                                                 # Use canonical name
 311                                                 $this->BlockAddress = $user->getName();
 312                                                 $userId = $user->getID();
 313                                         } else {
 314                                                 $this->showForm( wfMsg( 'nosuchusershort', htmlspecialchars( $this->BlockAddress ) ) );
 315                                                 return;
 316                                         }
 317                                 } else {
 318                                         $this->showForm( wfMsg( 'badipaddress' ) );
 319                                         return;
 320                                 }
 321                         }
 322                 }
 323
 324                 $reasonstr = $this->BlockReasonList;
 325                 if ( $reasonstr != 'other' && $this->BlockReason != '') {
 326                         // Entry from drop down menu + additional comment
 327                         $reasonstr .= ': ' . $this->BlockReason;
 328                 } elseif ( $reasonstr == 'other' ) {
 329                         $reasonstr = $this->BlockReason;
 330                 }
 331
 332                 $expirestr = $this->BlockExpiry;
 333                 if( $expirestr == 'other' )
 334                         $expirestr = $this->BlockOther;
 335
 336                 if (strlen($expirestr) == 0) {
 337                         $this->showForm( wfMsg( 'ipb_expiry_invalid' ) );
 338                         return;
 339                 }
 340
 341                 if ( $expirestr == 'infinite' || $expirestr == 'indefinite' ) {
 342                         $expiry = Block::infinity();
 343                 } else {
 344                         # Convert GNU-style date, on error returns -1 for PHP <5.1 and false for PHP >=5.1
 345                         $expiry = strtotime( $expirestr );
 346
 347                         if ( $expiry < 0 || $expiry === false ) {
 348                                 $this->showForm( wfMsg( 'ipb_expiry_invalid' ) );
 349                                 return;
 350                         }
 351
 352                         $expiry = wfTimestamp( TS_MW, $expiry );
 353                 }
 354
 355                 # Create block
 356                 # Note: for a user block, ipb_address is only for display purposes
 357
 358                 $block = new Block( $this->BlockAddress, $userId, $wgUser->getID(),
 359                         $reasonstr, wfTimestampNow(), 0, $expiry, $this->BlockAnonOnly,
 360                         $this->BlockCreateAccount, $this->BlockEnableAutoblock, $this->BlockHideName);
 361
 362                 if (wfRunHooks('BlockIp', array(&$block, &$wgUser))) {
 363
 364                         if ( !$block->insert() ) {
 365                                 $this->showForm( wfMsg( 'ipb_already_blocked',
 366                                         htmlspecialchars( $this->BlockAddress ) ) );
 367                                 return;
 368                         }
 369
 370                         wfRunHooks('BlockIpComplete', array($block, $wgUser));
 371
 372                         # Prepare log parameters
 373                         $logParams = array();
 374                         $logParams[] = $expirestr;
 375                         $logParams[] = $this->blockLogFlags();
 376
 377                         # Make log entry, if the name is hidden, put it in the oversight log
 378                         $log_type = ($this->BlockHideName) ? 'oversight' : 'block';
 379                         $log = new LogPage( $log_type );
 380                         $log->addEntry( 'block', Title::makeTitle( NS_USER, $this->BlockAddress ),
 381                           $reasonstr, $logParams );
 382
 383                         # Report to the user
 384                         $titleObj = SpecialPage::getTitleFor( 'Blockip' );
 385                         $wgOut->redirect( $titleObj->getFullURL( 'action=success&ip=' .
 386                                 urlencode( $this->BlockAddress ) ) );
 387                 }
 388         }
 389
 390         function showSuccess() {
 391                 global $wgOut;
 392
 393                 $wgOut->setPagetitle( wfMsg( 'blockip' ) );
 394                 $wgOut->setSubtitle( wfMsg( 'blockipsuccesssub' ) );
 395                 $text = wfMsg( 'blockipsuccesstext', $this->BlockAddress );
 396                 $wgOut->addWikiText( $text );
 397         }
 398
 399         function showLogFragment( $out, $title ) {
 400                 $out->addHtml( wfElement( 'h2', NULL, LogPage::logName( 'block' ) ) );
 401                 $request = new FauxRequest( array( 'page' => $title->getPrefixedText(), 'type' => 'block' ) );
 402                 $viewer = new LogViewer( new LogReader( $request ) );
 403                 $viewer->showList( $out );
 404         }
 405
 406         /**
 407          * Return a comma-delimited list of "flags" to be passed to the log
 408          * reader for this block, to provide more information in the logs
 409          *
 410          * @return array
 411          */
 412         private function blockLogFlags() {
 413                 $flags = array();
 414                 if( $this->BlockAnonOnly && IP::isIPAddress( $this->BlockAddress ) )
 415                                         // when blocking a user the option 'anononly' is not available/has no effect -> do not write this into log
 416                         $flags[] = 'anononly';
 417                 if( $this->BlockCreateAccount )
 418                         $flags[] = 'nocreate';
 419                 if( !$this->BlockEnableAutoblock )
 420                         $flags[] = 'noautoblock';
 421                 return implode( ',', $flags );
 422         }
 423
 424         /**
 425          * Builds unblock and block list links
 426          *
 427          * @return string
 428          */
 429         private function getConvenienceLinks() {
 430                 global $wgUser;
 431                 $skin = $wgUser->getSkin();
 432                 $links[] = $skin->makeLink ( 'MediaWiki:ipbreason-dropdown', wfMsgHtml( 'ipb-edit-dropdown' ) );
 433                 $links[] = $this->getUnblockLink( $skin );
 434                 $links[] = $this->getBlockListLink( $skin );
 435                 return '<p class="mw-ipb-conveniencelinks">' . implode( ' | ', $links ) . '</p>';
 436         }
 437
 438         /**
 439          * Build a convenient link to unblock the given username or IP
 440          * address, if available; otherwise link to a blank unblock
 441          * form
 442          *
 443          * @param $skin Skin to use
 444          * @return string
 445          */
 446         private function getUnblockLink( $skin ) {
 447                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 448                 if( $this->BlockAddress ) {
 449                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 450                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock-addr', $addr ),
 451                                 'action=unblock&ip=' . urlencode( $this->BlockAddress ) );
 452                 } else {
 453                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-unblock' ),      'action=unblock' );
 454                 }
 455         }
 456
 457         /**
 458          * Build a convenience link to the block list
 459          *
 460          * @param $skin Skin to use
 461          * @return string
 462          */
 463         private function getBlockListLink( $skin ) {
 464                 $list = SpecialPage::getTitleFor( 'Ipblocklist' );
 465                 if( $this->BlockAddress ) {
 466                         $addr = htmlspecialchars( strtr( $this->BlockAddress, '_', ' ' ) );
 467                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist-addr', $addr ),
 468                                 'ip=' . urlencode( $this->BlockAddress ) );
 469                 } else {
 470                         return $skin->makeKnownLinkObj( $list, wfMsgHtml( 'ipb-blocklist' ) );
 471                 }
 472         }
 473 }
 474 ?>