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