includes/EditPage.php

   1 <?php
   2 /**
   3  * Contain the EditPage class
   4  * @package MediaWiki
   5  */
   6
   7 /**
   8  * Splitting edit page/HTML interface from Article...
   9  * The actual database and text munging is still in Article,
  10  * but it should get easier to call those from alternate
  11  * interfaces.
  12  *
  13  * @package MediaWiki
  14  */
  15
  16 class EditPage {
  17         var $mArticle;
  18         var $mTitle;
  19         var $mMetaData = '';
  20
  21         # Form values
  22         var $save = false, $preview = false, $diff = false;
  23         var $minoredit = false, $watchthis = false;
  24         var $textbox1 = '', $textbox2 = '', $summary = '';
  25         var $edittime = '', $section = '';
  26         var $oldid = 0;
  27
  28         /**
  29          * @todo document
  30          * @param $article
  31          */
  32         function EditPage( $article ) {
  33                 $this->mArticle =& $article;
  34                 global $wgTitle;
  35                 $this->mTitle =& $wgTitle;
  36         }
  37
  38         /**
  39          * This is the function that extracts metadata from the article body on the first view.
  40          * To turn the feature on, set $wgUseMetadataEdit = true ; in LocalSettings
  41          *  and set $wgMetadataWhitelist to the *full* title of the template whitelist
  42          */
  43         function extractMetaDataFromArticle ()
  44         {
  45                 global $wgUseMetadataEdit , $wgMetadataWhitelist , $wgLang ;
  46                 $this->mMetaData = '' ;
  47                 if ( !$wgUseMetadataEdit ) return ;
  48                 if ( $wgMetadataWhitelist == "" ) return ;
  49                 $s = '' ;
  50                 $t = $this->mArticle->getContent ( true ) ;
  51
  52                 # MISSING : <nowiki> filtering
  53
  54                 # Categories and language links
  55                 $t = explode ( "\n" , $t ) ;
  56                 $catlow = strtolower ( $wgLang->getNsText ( NS_CATEGORY ) ) ;
  57                 $cat = $ll = array() ;
  58                 foreach ( $t AS $key => $x )
  59                 {
  60                         $y = trim ( strtolower ( $x ) ) ;
  61                         while ( substr ( $y , 0 , 2 ) == "[[" )
  62                         {
  63                                 $y = explode ( "]]" , trim ( $x ) ) ;
  64                                 $first = array_shift ( $y ) ;
  65                                 $first = explode ( ":" , $first ) ;
  66                                 $ns = array_shift ( $first ) ;
  67                                 $ns = trim ( str_replace ( '[' , '' , $ns ) ) ;
  68                                 if ( strlen ( $ns ) == 2 OR strtolower ( $ns ) == $catlow )
  69                                 {
  70                                         $add = '[[' . $ns . ':' . implode ( ':' , $first ) . ']]' ;
  71                                         if ( strtolower ( $ns ) == $catlow ) $cat[] = $add ;
  72                                         else $ll[] = $add ;
  73                                         $x = implode ( ']]' , $y ) ;
  74                                         $t[$key] = $x ;
  75                                         $y = trim ( strtolower ( $x ) ) ;
  76                                 }
  77                         }
  78                 }
  79                 if ( count ( $cat ) ) $s .= implode ( ' ' , $cat ) . "\n" ;
  80                 if ( count ( $ll ) ) $s .= implode ( ' ' , $ll ) . "\n" ;
  81                 $t = implode ( "\n" , $t ) ;
  82
  83                 # Load whitelist
  84                 $sat = array () ; # stand-alone-templates; must be lowercase
  85                 $wl_title = Title::newFromText ( $wgMetadataWhitelist ) ;
  86                 $wl_article = new Article ( $wl_title ) ;
  87                 $wl = explode ( "\n" , $wl_article->getContent(true) ) ;
  88                 foreach ( $wl AS $x )
  89                 {
  90                         $isentry = false ;
  91                         $x = trim ( $x ) ;
  92                         while ( substr ( $x , 0 , 1 ) == '*' )
  93                         {
  94                                 $isentry = true ;
  95                                 $x = trim ( substr ( $x , 1 ) ) ;
  96                         }
  97                         if ( $isentry )
  98                         {
  99                                 $sat[] = strtolower ( $x ) ;
 100                         }
 101
 102                 }
 103
 104                 # Templates, but only some
 105                 $t = explode ( '{{' , $t ) ;
 106                 $tl = array () ;
 107                 foreach ( $t AS $key => $x )
 108                 {
 109                         $y = explode ( '}}' , $x , 2 ) ;
 110                         if ( count ( $y ) == 2 )
 111                         {
 112                                 $z = $y[0] ;
 113                                 $z = explode ( '|' , $z ) ;
 114                                 $tn = array_shift ( $z ) ;
 115                                 if ( in_array ( strtolower ( $tn ) , $sat ) )
 116                                 {
 117                                         $tl[] = '{{' . $y[0] . '}}' ;
 118                                         $t[$key] = $y[1] ;
 119                                         $y = explode ( '}}' , $y[1] , 2 ) ;
 120                                 }
 121                                 else $t[$key] = '{{' . $x ;
 122                         }
 123                         else if ( $key != 0 ) $t[$key] = '{{' . $x ;
 124                         else $t[$key] = $x ;
 125                 }
 126                 if ( count ( $tl ) ) $s .= implode ( ' ' , $tl ) ;
 127                 $t = implode ( '' , $t ) ;
 128
 129                 $t = str_replace ( "\n\n\n" , "\n" , $t ) ;
 130                 $this->mArticle->mContent = $t ;
 131                 $this->mMetaData = $s ;
 132         }
 133
 134         /**
 135          * This is the function that gets called for "action=edit".
 136          */
 137         function edit() {
 138                 global $wgOut, $wgUser, $wgWhitelistEdit, $wgRequest;
 139                 // this is not an article
 140                 $wgOut->setArticleFlag(false);
 141
 142                 $this->importFormData( $wgRequest );
 143
 144                 if( $this->live ) {
 145                         $this->livePreview();
 146                         return;
 147                 }
 148
 149                 if ( ! $this->mTitle->userCanEdit() ) {
 150                         $wgOut->readOnlyPage( $this->mArticle->getContent( true ), true );
 151                         return;
 152                 }
 153                 if ( !$this->preview && !$this->diff && $wgUser->isBlocked( !$this->save ) ) {
 154                         # When previewing, don't check blocked state - will get caught at save time.
 155                         # Also, check when starting edition is done against slave to improve performance.
 156                         $this->blockedIPpage();
 157                         return;
 158                 }
 159                 if ( $wgUser->isAnon() && $wgWhitelistEdit ) {
 160                         $this->userNotLoggedInPage();
 161                         return;
 162                 }
 163                 if ( wfReadOnly() ) {
 164                         if( $this->save || $this->preview ) {
 165                                 $this->editForm( 'preview' );
 166                         } else if ( $this->diff ) {
 167                                 $this->editForm( 'diff' );
 168                         } else {
 169                                 $wgOut->readOnlyPage( $this->mArticle->getContent( true ) );
 170                         }
 171                         return;
 172                 }
 173                 if ( $this->save ) {
 174                         $this->editForm( 'save' );
 175                 } else if ( $this->preview ) {
 176                         $this->editForm( 'preview' );
 177                 } else if ( $this->diff ) {
 178                         $this->editForm( 'diff' );
 179                 } else { # First time through
 180                         if( $wgUser->getOption('previewonfirst') ) {
 181                                 $this->editForm( 'preview', true );
 182                         } else {
 183                                 $this->extractMetaDataFromArticle () ;
 184                                 $this->editForm( 'initial', true );
 185                         }
 186                 }
 187         }
 188
 189         /**
 190          * @todo document
 191          */
 192         function importFormData( &$request ) {
 193                 if( $request->wasPosted() ) {
 194                         # These fields need to be checked for encoding.
 195                         # Also remove trailing whitespace, but don't remove _initial_
 196                         # whitespace from the text boxes. This may be significant formatting.
 197                         $this->textbox1  = rtrim( $request->getText( 'wpTextbox1' ) );
 198                         $this->textbox2  = rtrim( $request->getText( 'wpTextbox2' ) );
 199                         $this->mMetaData = rtrim( $request->getText( 'metadata'   ) );
 200                         $this->summary   =  trim( $request->getText( 'wpSummary'  ) );
 201
 202                         $this->edittime = $request->getVal( 'wpEdittime' );
 203                         if( is_null( $this->edittime ) ) {
 204                                 # If the form is incomplete, force to preview.
 205                                 $this->preview  = true;
 206                         } else {
 207                                 if( $this->tokenOk( $request ) ) {
 208                                         # Some browsers will not report any submit button
 209                                         # if the user hits enter in the comment box.
 210                                         # The unmarked state will be assumed to be a save,
 211                                         # if the form seems otherwise complete.
 212                                         $this->preview = $request->getCheck( 'wpPreview' );
 213                                         $this->diff = $request->getCheck( 'wpDiff' );
 214                                 } else {
 215                                         # Page might be a hack attempt posted from
 216                                         # an external site. Preview instead of saving.
 217                                         $this->preview = true;
 218                                 }
 219                         }
 220                         $this->save    = ! ( $this->preview OR $this->diff );
 221                         if( !preg_match( '/^\d{14}$/', $this->edittime )) {
 222                                 $this->edittime = null;
 223                         }
 224
 225                         $this->minoredit = $request->getCheck( 'wpMinoredit' );
 226                         $this->watchthis = $request->getCheck( 'wpWatchthis' );
 227                 } else {
 228                         # Not a posted form? Start with nothing.
 229                         $this->textbox1  = '';
 230                         $this->textbox2  = '';
 231                         $this->mMetaData = '';
 232                         $this->summary   = '';
 233                         $this->edittime  = '';
 234                         $this->preview   = false;
 235                         $this->save      = false;
 236                         $this->diff      = false;
 237                         $this->minoredit = false;
 238                         $this->watchthis = false;
 239                 }
 240
 241                 $this->oldid = $request->getInt( 'oldid' );
 242
 243                 # Section edit can come from either the form or a link
 244                 $this->section = $request->getVal( 'wpSection', $request->getVal( 'section' ) );
 245
 246                 $this->live = $request->getCheck( 'live' );
 247         }
 248
 249         /**
 250          * Make sure the form isn't faking a user's credentials.
 251          *
 252          * @param WebRequest $request
 253          * @return bool
 254          * @access private
 255          */
 256         function tokenOk( &$request ) {
 257                 global $wgUser;
 258                 if( $wgUser->isAnon() ) {
 259                         # Anonymous users may not have a session
 260                         # open. Don't tokenize.
 261                         return true;
 262                 } else {
 263                         return $wgUser->matchEditToken( $request->getVal( 'wpEditToken' ) );
 264                 }
 265         }
 266
 267         function submit() {
 268                 $this->edit();
 269         }
 270
 271         /**
 272          * The edit form is self-submitting, so that when things like
 273          * preview and edit conflicts occur, we get the same form back
 274          * with the extra stuff added.  Only when the final submission
 275          * is made and all is well do we actually save and redirect to
 276          * the newly-edited page.
 277          *
 278          * @param string $formtype Type of form either : save, initial, diff or preview
 279          * @param bool $firsttime True to load form data from db
 280          */
 281         function editForm( $formtype, $firsttime = false ) {
 282                 global $wgOut, $wgUser;
 283                 global $wgLang, $wgContLang, $wgParser, $wgTitle;
 284                 global $wgAllowAnonymousMinor;
 285                 global $wgWhitelistEdit;
 286                 global $wgSpamRegex, $wgFilterCallback;
 287
 288                 $sk = $wgUser->getSkin();
 289                 $isConflict = false;
 290                 // css / js subpages of user pages get a special treatment
 291                 $isCssJsSubpage = $wgTitle->isCssJsSubpage();
 292
 293
 294                 if(!$this->mTitle->getArticleID()) { # new article
 295                         $wgOut->addWikiText(wfmsg('newarticletext'));
 296                 }
 297
 298                 if( $this->mTitle->isTalkPage() ) {
 299                         $wgOut->addWikiText(wfmsg('talkpagetext'));
 300                 }
 301
 302                 # Attempt submission here.  This will check for edit conflicts,
 303                 # and redundantly check for locked database, blocked IPs, etc.
 304                 # that edit() already checked just in case someone tries to sneak
 305                 # in the back door with a hand-edited submission URL.
 306
 307                 if ( 'save' == $formtype ) {
 308                         # Reintegrate metadata
 309                         if ( $this->mMetaData != '' ) $this->textbox1 .= "\n" . $this->mMetaData ;
 310                         $this->mMetaData = '' ;
 311
 312                         # Check for spam
 313                         if ( $wgSpamRegex && preg_match( $wgSpamRegex, $this->textbox1, $matches ) ) {
 314                                 $this->spamPage ( $matches[0] );
 315                                 return;
 316                         }
 317                         if ( $wgFilterCallback && $wgFilterCallback( $this->mTitle, $this->textbox1, $this->section ) ) {
 318                                 # Error messages or other handling should be performed by the filter function
 319                                 return;
 320                         }
 321                         if ( $wgUser->isBlocked( false ) ) {
 322                                 # Check block state against master, thus 'false'.
 323                                 $this->blockedIPpage();
 324                                 return;
 325                         }
 326                         if ( $wgUser->isAnon() && $wgWhitelistEdit ) {
 327                                 $this->userNotLoggedInPage();
 328                                 return;
 329                         }
 330                         if ( wfReadOnly() ) {
 331                                 $wgOut->readOnlyPage();
 332                                 return;
 333                         }
 334                         if ( $wgUser->pingLimiter() ) {
 335                                 $wgOut->rateLimited();
 336                                 return;
 337                         }
 338
 339                         # If article is new, insert it.
 340                         $aid = $this->mTitle->getArticleID( GAID_FOR_UPDATE );
 341                         if ( 0 == $aid ) {
 342                                 # Don't save a new article if it's blank.
 343                                 if ( ( '' == $this->textbox1 ) ||
 344                                   ( wfMsg( 'newarticletext' ) == $this->textbox1 ) ) {
 345                                         $wgOut->redirect( $this->mTitle->getFullURL() );
 346                                         return;
 347                                 }
 348                                 if (wfRunHooks('ArticleSave', array(&$this->mArticle, &$wgUser, &$this->textbox1,
 349                                                            &$this->summary, &$this->minoredit, &$this->watchthis, NULL)))
 350                                 {
 351                                         $this->mArticle->insertNewArticle( $this->textbox1, $this->summary,
 352                                                                                                            $this->minoredit, $this->watchthis );
 353                                         wfRunHooks('ArticleSaveComplete', array(&$this->mArticle, &$wgUser, $this->textbox1,
 354                                                                                                                         $this->summary, $this->minoredit,
 355                                                                                                                         $this->watchthis, NULL));
 356                                 }
 357                                 return;
 358                         }
 359
 360                         # Article exists. Check for edit conflict.
 361
 362                         $this->mArticle->clear(); # Force reload of dates, etc.
 363                         $this->mArticle->forUpdate( true ); # Lock the article
 364
 365                         if( ( $this->section != 'new' ) &&
 366                                 ($this->mArticle->getTimestamp() != $this->edittime ) ) {
 367                                 $isConflict = true;
 368                         }
 369                         $userid = $wgUser->getID();
 370
 371                         if ( $isConflict) {
 372                                 wfDebug( "EditPage::editForm conflict! getting section '$this->section' for time '$this->edittime'\n" );
 373                                 $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
 374                                         $this->section, $this->textbox1, $this->summary, $this->edittime);
 375                         }
 376                         else {
 377                                 wfDebug( "EditPage::editForm getting section '$this->section'\n" );
 378                                 $text = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
 379                                         $this->section, $this->textbox1, $this->summary);
 380                         }
 381                         # Suppress edit conflict with self
 382
 383                         if ( ( 0 != $userid ) && ( $this->mArticle->getUser() == $userid ) ) {
 384                                 $isConflict = false;
 385                         } else {
 386                                 # switch from section editing to normal editing in edit conflict
 387                                 if($isConflict) {
 388                                         # Attempt merge
 389                                         if( $this->mergeChangesInto( $text ) ){
 390                                                 // Successful merge! Maybe we should tell the user the good news?
 391                                                 $isConflict = false;
 392                                         } else {
 393                                                 $this->section = '';
 394                                                 $this->textbox1 = $text;
 395                                         }
 396                                 }
 397                         }
 398                         if ( ! $isConflict ) {
 399                                 # All's well
 400                                 $sectionanchor = '';
 401                                 if( $this->section == 'new' ) {
 402                                         if( $this->summary != '' ) {
 403                                                 $sectionanchor = $this->sectionAnchor( $this->summary );
 404                                         }
 405                                 } elseif( $this->section != '' ) {
 406                                         # Try to get a section anchor from the section source, redirect to edited section if header found
 407                                         # XXX: might be better to integrate this into Article::getTextOfLastEditWithSectionReplacedOrAdded
 408                                         # for duplicate heading checking and maybe parsing
 409                                         $hasmatch = preg_match( "/^ *([=]{1,6})(.*?)(\\1) *\\n/i", $this->textbox1, $matches );
 410                                         # we can't deal with anchors, includes, html etc in the header for now,
 411                                         # headline would need to be parsed to improve this
 412                                         #if($hasmatch and strlen($matches[2]) > 0 and !preg_match( "/[\\['{<>]/", $matches[2])) {
 413                                         if($hasmatch and strlen($matches[2]) > 0) {
 414                                                 $sectionanchor = $this->sectionAnchor( $matches[2] );
 415                                         }
 416                                 }
 417
 418                                 if (wfRunHooks('ArticleSave', array(&$this->mArticle, &$wgUser, &$text,
 419                                                                                                         &$this->summary, &$this->minoredit,
 420                                                                                                         &$this->watchthis, &$sectionanchor)))
 421                                 {
 422                                         # update the article here
 423                                         if($this->mArticle->updateArticle( $text, $this->summary, $this->minoredit,
 424                                                                                                            $this->watchthis, '', $sectionanchor ))
 425                                         {
 426                                                 wfRunHooks('ArticleSaveComplete', array(&$this->mArticle, &$wgUser, $text,
 427                                                                                                                                 $this->summary, $this->minoredit,
 428                                                                                                                                 $this->watchthis, $sectionanchor));
 429                                                 return;
 430                                         }
 431                                         else
 432                                           $isConflict = true;
 433                                 }
 434                         }
 435                 }
 436                 # First time through: get contents, set time for conflict
 437                 # checking, etc.
 438
 439                 if ( 'initial' == $formtype || $firsttime ) {
 440                         $this->edittime = $this->mArticle->getTimestamp();
 441                         $this->textbox1 = $this->mArticle->getContent( true );
 442                         $this->summary = '';
 443                         $this->proxyCheck();
 444                 }
 445                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 446
 447                 # Enabled article-related sidebar, toplinks, etc.
 448                 $wgOut->setArticleRelated( true );
 449
 450                 if ( $isConflict ) {
 451                         $s = wfMsg( 'editconflict', $this->mTitle->getPrefixedText() );
 452                         $wgOut->setPageTitle( $s );
 453                         $wgOut->addWikiText( wfMsg( 'explainconflict' ) );
 454
 455                         $this->textbox2 = $this->textbox1;
 456                         $this->textbox1 = $this->mArticle->getContent( true );
 457                         $this->edittime = $this->mArticle->getTimestamp();
 458                 } else {
 459
 460                         if( $this->section != '' ) {
 461                                 if( $this->section == 'new' ) {
 462                                         $s = wfMsg('editingcomment', $this->mTitle->getPrefixedText() );
 463                                 } else {
 464                                         $s = wfMsg('editingsection', $this->mTitle->getPrefixedText() );
 465                                 }
 466                                 if(!$this->preview) {
 467                                         preg_match( "/^(=+)(.+)\\1/mi",
 468                                                 $this->textbox1,
 469                                                 $matches );
 470                                         if( !empty( $matches[2] ) ) {
 471                                                 $this->summary = "/* ". trim($matches[2])." */ ";
 472                                         }
 473                                 }
 474                         } else {
 475                                 $s = wfMsg( 'editing', $this->mTitle->getPrefixedText() );
 476                         }
 477                         $wgOut->setPageTitle( $s );
 478                         if ( !$this->checkUnicodeCompliantBrowser() ) {
 479                                 $this->mArticle->setOldSubtitle();
 480                                 $wgOut->addWikiText( wfMsg( 'nonunicodebrowser') );
 481                         }
 482                         if ( $this->oldid ) {
 483                                 $this->mArticle->setOldSubtitle();
 484                                 $wgOut->addWikiText( wfMsg( 'editingold' ) );
 485                         }
 486                 }
 487
 488                 if( wfReadOnly() ) {
 489                         $wgOut->addWikiText( wfMsg( 'readonlywarning' ) );
 490                 } else if ( $isCssJsSubpage and 'preview' != $formtype) {
 491                         $wgOut->addWikiText( wfMsg( 'usercssjsyoucanpreview' ));
 492                 }
 493                 if( $this->mTitle->isProtected('edit') ) {
 494                         $wgOut->addWikiText( wfMsg( 'protectedpagewarning' ) );
 495                 }
 496
 497                 $kblength = (int)(strlen( $this->textbox1 ) / 1024);
 498                 if( $kblength > 29 ) {
 499                         $wgOut->addWikiText( wfMsg( 'longpagewarning', $wgLang->formatNum( $kblength ) ) );
 500                 }
 501
 502                 $rows = $wgUser->getOption( 'rows' );
 503                 $cols = $wgUser->getOption( 'cols' );
 504
 505                 $ew = $wgUser->getOption( 'editwidth' );
 506                 if ( $ew ) $ew = " style=\"width:100%\"";
 507                 else $ew = '';
 508
 509                 $q = 'action=submit';
 510                 #if ( "no" == $redirect ) { $q .= "&redirect=no"; }
 511                 $action = $this->mTitle->escapeLocalURL( $q );
 512
 513                 $summary = wfMsg('summary');
 514                 $subject = wfMsg('subject');
 515                 $minor   = wfMsg('minoredit');
 516                 $watchthis = wfMsg ('watchthis');
 517                 $save = wfMsg('savearticle');
 518                 $prev = wfMsg('showpreview');
 519                 $diff = wfMsg('showdiff');
 520
 521                 $cancel = $sk->makeKnownLink( $this->mTitle->getPrefixedText(),
 522                                 wfMsg('cancel') );
 523                 $edithelpurl = $sk->makeUrl( wfMsg( 'edithelppage' ));
 524                 $edithelp = '<a target="helpwindow" href="'.$edithelpurl.'">'.
 525                         htmlspecialchars( wfMsg( 'edithelp' ) ).'</a> '.
 526                         htmlspecialchars( wfMsg( 'newwindow' ) );
 527
 528                 global $wgRightsText;
 529                 $copywarn = "<div id=\"editpage-copywarn\">\n" .
 530                         wfMsg( $wgRightsText ? 'copyrightwarning' : 'copyrightwarning2',
 531                                 '[[' . wfMsgForContent( 'copyrightpage' ) . ']]',
 532                                 $wgRightsText ) . "\n</div>";
 533
 534                 if( $wgUser->getOption('showtoolbar') and !$isCssJsSubpage ) {
 535                         # prepare toolbar for edit buttons
 536                         $toolbar = $this->getEditToolbar();
 537                 } else {
 538                         $toolbar = '';
 539                 }
 540
 541                 // activate checkboxes if user wants them to be always active
 542                 if( !$this->preview && !$this->diff ) {
 543                         if( $wgUser->getOption( 'watchdefault' ) ) $this->watchthis = true;
 544                         if( $wgUser->getOption( 'minordefault' ) ) $this->minoredit = true;
 545
 546                         // activate checkbox also if user is already watching the page,
 547                         // require wpWatchthis to be unset so that second condition is not
 548                         // checked unnecessarily
 549                         if( !$this->watchthis && $this->mTitle->userIsWatching() ) $this->watchthis = true;
 550                 }
 551
 552                 $minoredithtml = '';
 553
 554                 if ( $wgUser->isLoggedIn() || $wgAllowAnonymousMinor ) {
 555                         $minoredithtml =
 556                                 "<input tabindex='3' type='checkbox' value='1' name='wpMinoredit'".($this->minoredit?" checked='checked'":"").
 557                                 " accesskey='".wfMsg('accesskey-minoredit')."' id='wpMinoredit' />".
 558                                 "<label for='wpMinoredit' title='".wfMsg('tooltip-minoredit')."'>{$minor}</label>";
 559                 }
 560
 561                 $watchhtml = '';
 562
 563                 if ( $wgUser->isLoggedIn() ) {
 564                         $watchhtml = "<input tabindex='4' type='checkbox' name='wpWatchthis'".($this->watchthis?" checked='checked'":"").
 565                                 " accesskey='".wfMsg('accesskey-watch')."' id='wpWatchthis'  />".
 566                                 "<label for='wpWatchthis' title='".wfMsg('tooltip-watch')."'>{$watchthis}</label>";
 567                 }
 568
 569                 $checkboxhtml = $minoredithtml . $watchhtml . '<br />';
 570
 571                 $wgOut->addHTML( '<div id="wikiPreview">' );
 572                 if ( 'preview' == $formtype) {
 573                         $previewOutput = $this->getPreviewText( $isConflict, $isCssJsSubpage );
 574                         if ( $wgUser->getOption('previewontop' ) ) {
 575                                 $wgOut->addHTML( $previewOutput );
 576                                 $wgOut->addHTML( "<br style=\"clear:both;\" />\n" );
 577                         }
 578                 }
 579                 $wgOut->addHTML( '</div>' );
 580                 if ( 'diff' == $formtype ) {
 581                         if ( $wgUser->getOption('previewontop' ) ) {
 582                                 $wgOut->addHTML( $this->getDiff() );
 583                         }
 584                 }
 585
 586
 587                 # if this is a comment, show a subject line at the top, which is also the edit summary.
 588                 # Otherwise, show a summary field at the bottom
 589                 $summarytext = htmlspecialchars( $wgContLang->recodeForEdit( $this->summary ) ); # FIXME
 590                         if( $this->section == 'new' ) {
 591                                 $commentsubject="{$subject}: <input tabindex='1' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60' /><br />";
 592                                 $editsummary = '';
 593                         } else {
 594                                 $commentsubject = '';
 595                                 $editsummary="{$summary}: <input tabindex='2' type='text' value=\"$summarytext\" name=\"wpSummary\" maxlength='200' size='60' /><br />";
 596                         }
 597
 598                 if( !$this->preview && !$this->diff ) {
 599                 # Don't select the edit box on preview; this interferes with seeing what's going on.
 600                         $wgOut->setOnloadHandler( 'document.editform.wpTextbox1.focus()' );
 601                 }
 602                 # Prepare a list of templates used by this page
 603                 $templates = '';
 604                 $articleTemplates = $this->mArticle->getUsedTemplates();
 605                 if ( count( $articleTemplates ) > 0 ) {
 606                         $templates = '<br />'. wfMsg( 'templatesused' ) . '<ul>';
 607                         foreach ( $articleTemplates as $tpl ) {
 608                                 if ( $titleObj = Title::makeTitle( NS_TEMPLATE, $tpl ) ) {
 609                                         $templates .= '<li>' . $sk->makeLinkObj( $titleObj ) . '</li>';
 610                                 }
 611                         }
 612                         $templates .= '</ul>';
 613                 }
 614
 615                 global $wgLivePreview, $wgStylePath;
 616                 /**
 617                  * Live Preview lets us fetch rendered preview page content and
 618                  * add it to the page without refreshing the whole page.
 619                  * Set up the button for it; if not supported by the browser
 620                  * it will fall through to the normal form submission method.
 621                  */
 622                 if( $wgLivePreview ) {
 623                         global $wgJsMimeType;
 624                         $wgOut->addHTML( '<script type="'.$wgJsMimeType.'" src="' .
 625                                 htmlspecialchars( $wgStylePath . '/common/preview.js' ) .
 626                                 '"></script>' . "\n" );
 627                         $liveAction = $wgTitle->getLocalUrl( 'action=submit&wpPreview=true&live=true' );
 628                         $liveOnclick = 'onclick="return !livePreview('.
 629                                 'getElementById(\'wikiPreview\'),' .
 630                                 'editform.wpTextbox1.value,' .
 631                                 htmlspecialchars( '"' . $liveAction . '"' ) . ')"';
 632                 } else {
 633                         $liveOnclick = '';
 634                 }
 635
 636                 global $wgUseMetadataEdit ;
 637                 if ( $wgUseMetadataEdit )
 638                 {
 639                         $metadata = $this->mMetaData ;
 640                         $metadata = htmlspecialchars( $wgContLang->recodeForEdit( $metadata ) ) ;
 641                         $helppage = Title::newFromText ( wfmsg("metadata_page") ) ;
 642                         $top = str_replace ( "$1" , $helppage->getInternalURL() , wfmsg("metadata") ) ;
 643                         $metadata = $top . "<textarea name='metadata' rows='3' cols='{$cols}'{$ew}>{$metadata}</textarea>" ;
 644                 }
 645                 else $metadata = "" ;
 646
 647
 648                 $wgOut->addHTML( <<<END
 649 {$toolbar}
 650 <form id="editform" name="editform" method="post" action="$action"
 651 enctype="multipart/form-data">
 652 {$commentsubject}
 653 <textarea tabindex='1' accesskey="," name="wpTextbox1" rows='{$rows}'
 654 cols='{$cols}'{$ew}>
 655 END
 656 . htmlspecialchars( $wgContLang->recodeForEdit( $this->textbox1 ) ) .
 657 "
 658 </textarea>
 659 {$metadata}
 660 <br />{$editsummary}
 661 {$checkboxhtml}
 662 <input tabindex='5' id='wpSave' type='submit' value=\"{$save}\" name=\"wpSave\" accesskey=\"".wfMsg('accesskey-save')."\"".
 663 " title=\"".wfMsg('tooltip-save')."\"/>
 664 <input tabindex='6' id='wpPreview' type='submit' $liveOnclick value=\"{$prev}\" name=\"wpPreview\" accesskey=\"".wfMsg('accesskey-preview')."\"".
 665 " title=\"".wfMsg('tooltip-preview')."\"/>
 666 <input tabindex='7' id='wpDiff' type='submit' value=\"{$diff}\" name=\"wpDiff\" accesskey=\"".wfMsg('accesskey-diff')."\"".
 667 " title=\"".wfMsg('tooltip-diff')."\"/>
 668 <em>{$cancel}</em> | <em>{$edithelp}</em>{$templates}" );
 669                 $wgOut->addWikiText( $copywarn );
 670                 $wgOut->addHTML( "
 671 <input type='hidden' value=\"" . htmlspecialchars( $this->section ) . "\" name=\"wpSection\" />
 672 <input type='hidden' value=\"{$this->edittime}\" name=\"wpEdittime\" />\n" );
 673
 674                 if ( $wgUser->isLoggedIn() ) {
 675                         /**
 676                          * To make it harder for someone to slip a user a page
 677                          * which submits an edit form to the wiki without their
 678                          * knowledge, a random token is associated with the login
 679                          * session. If it's not passed back with the submission,
 680                          * we won't save the page, or render user JavaScript and
 681                          * CSS previews.
 682                          */
 683                         $token = htmlspecialchars( $wgUser->editToken() );
 684                         $wgOut->addHTML( "
 685 <input type='hidden' value=\"$token\" name=\"wpEditToken\" />\n" );
 686                 }
 687
 688
 689                 if ( $isConflict ) {
 690                         require_once( "DifferenceEngine.php" );
 691                         $wgOut->addWikiText( '==' . wfMsg( "yourdiff" ) . '==' );
 692                         DifferenceEngine::showDiff( $this->textbox2, $this->textbox1,
 693                           wfMsg( "yourtext" ), wfMsg( "storedversion" ) );
 694
 695                         $wgOut->addWikiText( '==' . wfMsg( "yourtext" ) . '==' );
 696                         $wgOut->addHTML( "<textarea tabindex=6 id='wpTextbox2' name=\"wpTextbox2\" rows='{$rows}' cols='{$cols}' wrap='virtual'>"
 697 . htmlspecialchars( $wgContLang->recodeForEdit( $this->textbox2 ) ) .
 698 "
 699 </textarea>" );
 700                 }
 701                 $wgOut->addHTML( "</form>\n" );
 702                 if ( $formtype == 'preview' && !$wgUser->getOption( 'previewontop' ) ) {
 703                         $wgOut->addHTML( '<div id="wikiPreview">' . $previewOutput . '</div>' );
 704                 }
 705                 if ( $formtype == 'diff' && !$wgUser->getOption( 'previewontop' ) ) {
 706                         #$wgOut->addHTML( '<div id="wikiPreview">' . $difftext . '</div>' );
 707                         $wgOut->addHTML( $this->getDiff() );
 708                 }
 709         }
 710
 711         /**
 712          * @todo document
 713          */
 714         function getPreviewText( $isConflict, $isCssJsSubpage ) {
 715                 global $wgOut, $wgUser, $wgTitle, $wgParser, $wgAllowDiffPreview, $wgEnableDiffPreviewPreference;
 716                 $previewhead = '<h2>' . htmlspecialchars( wfMsg( 'preview' ) ) . "</h2>\n" .
 717                         "<p class='previewnote'>" . htmlspecialchars( wfMsg( 'previewnote' ) ) . "</p>\n";
 718                 if ( $isConflict ) {
 719                         $previewhead.='<h2>' . htmlspecialchars( wfMsg( 'previewconflict' ) ) .
 720                                 "</h2>\n";
 721                 }
 722
 723                 $parserOptions = ParserOptions::newFromUser( $wgUser );
 724                 $parserOptions->setEditSection( false );
 725
 726                 # don't parse user css/js, show message about preview
 727                 # XXX: stupid php bug won't let us use $wgTitle->isCssJsSubpage() here
 728
 729                 if ( $isCssJsSubpage ) {
 730                         if(preg_match("/\\.css$/", $wgTitle->getText() ) ) {
 731                                 $previewtext = wfMsg('usercsspreview');
 732                         } else if(preg_match("/\\.js$/", $wgTitle->getText() ) ) {
 733                                 $previewtext = wfMsg('userjspreview');
 734                         }
 735                         $parserOutput = $wgParser->parse( $previewtext , $wgTitle, $parserOptions );
 736                         $wgOut->addHTML( $parserOutput->mText );
 737                         return $previewhead;
 738                 } else {
 739                         # if user want to see preview when he edit an article
 740                         if( $wgUser->getOption('previewonfirst') and ($this->textbox1 == '')) {
 741                                 $this->textbox1 = $this->mArticle->getContent(true);
 742                         }
 743
 744                         $toparse = $this->textbox1 ;
 745                         if ( $this->mMetaData != "" ) $toparse .= "\n" . $this->mMetaData ;
 746
 747                         $parserOutput = $wgParser->parse( $this->mArticle->preSaveTransform( $toparse ) ."\n\n",
 748                                         $wgTitle, $parserOptions );
 749
 750                         $previewHTML = $parserOutput->mText;
 751
 752                         $wgOut->addCategoryLinks($parserOutput->getCategoryLinks());
 753                         $wgOut->addLanguageLinks($parserOutput->getLanguageLinks());
 754                         return $previewhead . $previewHTML;
 755                 }
 756         }
 757
 758         /**
 759          * @todo document
 760          */
 761         function blockedIPpage() {
 762                 global $wgOut, $wgUser, $wgContLang, $wgIP;
 763
 764                 $wgOut->setPageTitle( wfMsg( 'blockedtitle' ) );
 765                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 766                 $wgOut->setArticleRelated( false );
 767
 768                 $id = $wgUser->blockedBy();
 769                 $reason = $wgUser->blockedFor();
 770                 $ip = $wgIP;
 771
 772                 if ( is_numeric( $id ) ) {
 773                         $name = User::whoIs( $id );
 774                 } else {
 775                         $name = $id;
 776                 }
 777                 $link = '[[' . $wgContLang->getNsText( NS_USER ) .
 778                   ":{$name}|{$name}]]";
 779
 780                 $wgOut->addWikiText( wfMsg( 'blockedtext', $link, $reason, $ip, $name ) );
 781                 $wgOut->returnToMain( false );
 782         }
 783
 784         /**
 785          * @todo document
 786          */
 787         function userNotLoggedInPage() {
 788                 global $wgOut;
 789
 790                 $wgOut->setPageTitle( wfMsg( 'whitelistedittitle' ) );
 791                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 792                 $wgOut->setArticleRelated( false );
 793
 794                 $wgOut->addWikiText( wfMsg( 'whitelistedittext' ) );
 795                 $wgOut->returnToMain( false );
 796         }
 797
 798         /**
 799          * @todo document
 800          */
 801         function spamPage ( $match = false )
 802         {
 803                 global $wgOut;
 804                 $wgOut->setPageTitle( wfMsg( 'spamprotectiontitle' ) );
 805                 $wgOut->setRobotpolicy( 'noindex,nofollow' );
 806                 $wgOut->setArticleRelated( false );
 807
 808                 $wgOut->addWikiText( wfMsg( 'spamprotectiontext' ) );
 809                 if ( $match ) {
 810                         $wgOut->addWikiText( wfMsg( 'spamprotectionmatch', "<nowiki>{$match}</nowiki>" ) );
 811                 }
 812                 $wgOut->returnToMain( false );
 813         }
 814
 815         /**
 816          * Forks processes to scan the originating IP for an open proxy server
 817          * MemCached can be used to skip IPs that have already been scanned
 818          */
 819         function proxyCheck() {
 820                 global $wgBlockOpenProxies, $wgProxyPorts, $wgProxyScriptPath;
 821                 global $wgIP, $wgUseMemCached, $wgMemc, $wgDBname, $wgProxyMemcExpiry;
 822
 823                 if ( !$wgBlockOpenProxies ) {
 824                         return;
 825                 }
 826
 827                 # Get MemCached key
 828                 $skip = false;
 829                 if ( $wgUseMemCached ) {
 830                         $mcKey = $wgDBname.':proxy:ip:'.$wgIP;
 831                         $mcValue = $wgMemc->get( $mcKey );
 832                         if ( $mcValue ) {
 833                                 $skip = true;
 834                         }
 835                 }
 836
 837                 # Fork the processes
 838                 if ( !$skip ) {
 839                         $title = Title::makeTitle( NS_SPECIAL, 'Blockme' );
 840                         $iphash = md5( $wgIP . $wgProxyKey );
 841                         $url = $title->getFullURL( 'ip='.$iphash );
 842
 843                         foreach ( $wgProxyPorts as $port ) {
 844                                 $params = implode( ' ', array(
 845                                                         escapeshellarg( $wgProxyScriptPath ),
 846                                                         escapeshellarg( $wgIP ),
 847                                                         escapeshellarg( $port ),
 848                                                         escapeshellarg( $url )
 849                                                         ));
 850                                 exec( "php $params &>/dev/null &" );
 851                         }
 852                         # Set MemCached key
 853                         if ( $wgUseMemCached ) {
 854                                 $wgMemc->set( $mcKey, 1, $wgProxyMemcExpiry );
 855                         }
 856                 }
 857         }
 858
 859         /**
 860          * @access private
 861          * @todo document
 862          */
 863         function mergeChangesInto( &$text ){
 864                 $yourtext = $this->mArticle->fetchRevisionText();
 865
 866                 $db =& wfGetDB( DB_MASTER );
 867                 $oldText = $this->mArticle->fetchRevisionText(
 868                         $db->timestamp( $this->edittime ),
 869                         'rev_timestamp' );
 870
 871                 if(wfMerge($oldText, $text, $yourtext, $result)){
 872                         $text = $result;
 873                         return true;
 874                 } else {
 875                         return false;
 876                 }
 877         }
 878
 879
 880         function checkUnicodeCompliantBrowser() {
 881                 global $wgBrowserBlackList;
 882                 $currentbrowser = $_SERVER["HTTP_USER_AGENT"];
 883                 foreach ( $wgBrowserBlackList as $browser ) {
 884                         if ( preg_match($browser, $currentbrowser) ) {
 885                                 return false;
 886                         }
 887                 }
 888                 return true;
 889         }
 890
 891         /**
 892          * Format an anchor fragment as it would appear for a given section name
 893          * @param string $text
 894          * @return string
 895          * @access private
 896          */
 897         function sectionAnchor( $text ) {
 898                 $headline = Sanitizer::decodeCharReferences( $text );
 899                 # strip out HTML
 900                 $headline = preg_replace( '/<.*?' . '>/', '', $headline );
 901                 $headline = trim( $headline );
 902                 $sectionanchor = '#' . urlencode( str_replace( ' ', '_', $headline ) );
 903                 $replacearray = array(
 904                         '%3A' => ':',
 905                         '%' => '.'
 906                 );
 907                 return str_replace(
 908                         array_keys( $replacearray ),
 909                         array_values( $replacearray ),
 910                         $sectionanchor );
 911         }
 912
 913         /**
 914          * Shows a bulletin board style toolbar for common editing functions.
 915          * It can be disabled in the user preferences.
 916          * The necessary JavaScript code can be found in style/wikibits.js.
 917          */
 918         function getEditToolbar() {
 919                 global $wgStylePath, $wgLang, $wgMimeType, $wgJsMimeType;
 920
 921                 /**
 922                  * toolarray an array of arrays which each include the filename of
 923                  * the button image (without path), the opening tag, the closing tag,
 924                  * and optionally a sample text that is inserted between the two when no
 925                  * selection is highlighted.
 926                  * The tip text is shown when the user moves the mouse over the button.
 927                  *
 928                  * Already here are accesskeys (key), which are not used yet until someone
 929                  * can figure out a way to make them work in IE. However, we should make
 930                  * sure these keys are not defined on the edit page.
 931                  */
 932                 $toolarray=array(
 933                         array(  'image'=>'button_bold.png',
 934                                         'open'  =>      "\'\'\'",
 935                                         'close' =>      "\'\'\'",
 936                                         'sample'=>      wfMsg('bold_sample'),
 937                                         'tip'   =>      wfMsg('bold_tip'),
 938                                         'key'   =>      'B'
 939                                 ),
 940                         array(  'image'=>'button_italic.png',
 941                                         'open'  =>      "\'\'",
 942                                         'close' =>      "\'\'",
 943                                         'sample'=>      wfMsg('italic_sample'),
 944                                         'tip'   =>      wfMsg('italic_tip'),
 945                                         'key'   =>      'I'
 946                                 ),
 947                         array(  'image'=>'button_link.png',
 948                                         'open'  =>      '[[',
 949                                         'close' =>      ']]',
 950                                         'sample'=>      wfMsg('link_sample'),
 951                                         'tip'   =>      wfMsg('link_tip'),
 952                                         'key'   =>      'L'
 953                                 ),
 954                         array(  'image'=>'button_extlink.png',
 955                                         'open'  =>      '[',
 956                                         'close' =>      ']',
 957                                         'sample'=>      wfMsg('extlink_sample'),
 958                                         'tip'   =>      wfMsg('extlink_tip'),
 959                                         'key'   =>      'X'
 960                                 ),
 961                         array(  'image'=>'button_headline.png',
 962                                         'open'  =>      "\\n== ",
 963                                         'close' =>      " ==\\n",
 964                                         'sample'=>      wfMsg('headline_sample'),
 965                                         'tip'   =>      wfMsg('headline_tip'),
 966                                         'key'   =>      'H'
 967                                 ),
 968                         array(  'image'=>'button_image.png',
 969                                         'open'  =>      '[['.$wgLang->getNsText(NS_IMAGE).":",
 970                                         'close' =>      ']]',
 971                                         'sample'=>      wfMsg('image_sample'),
 972                                         'tip'   =>      wfMsg('image_tip'),
 973                                         'key'   =>      'D'
 974                                 ),
 975                         array(  'image' =>'button_media.png',
 976                                         'open'  =>      '[['.$wgLang->getNsText(NS_MEDIA).':',
 977                                         'close' =>      ']]',
 978                                         'sample'=>      wfMsg('media_sample'),
 979                                         'tip'   =>      wfMsg('media_tip'),
 980                                         'key'   =>      'M'
 981                                 ),
 982                         array(  'image' =>'button_math.png',
 983                                         'open'  =>      "\\<math\\>",
 984                                         'close' =>      "\\</math\\>",
 985                                         'sample'=>      wfMsg('math_sample'),
 986                                         'tip'   =>      wfMsg('math_tip'),
 987                                         'key'   =>      'C'
 988                                 ),
 989                         array(  'image' =>'button_nowiki.png',
 990                                         'open'  =>      "\\<nowiki\\>",
 991                                         'close' =>      "\\</nowiki\\>",
 992                                         'sample'=>      wfMsg('nowiki_sample'),
 993                                         'tip'   =>      wfMsg('nowiki_tip'),
 994                                         'key'   =>      'N'
 995                                 ),
 996                         array(  'image' =>'button_sig.png',
 997                                         'open'  =>      '--~~~~',
 998                                         'close' =>      '',
 999                                         'sample'=>      '',
1000                                         'tip'   =>      wfMsg('sig_tip'),
1001                                         'key'   =>      'Y'
1002                                 ),
1003                         array(  'image' =>'button_hr.png',
1004                                         'open'  =>      "\\n----\\n",
1005                                         'close' =>      '',
1006                                         'sample'=>      '',
1007                                         'tip'   =>      wfMsg('hr_tip'),
1008                                         'key'   =>      'R'
1009                                 )
1010                 );
1011                 $toolbar ="<script type='$wgJsMimeType'>\n/*<![CDATA[*/\n";
1012
1013                 $toolbar.="document.writeln(\"<div id='toolbar'>\");\n";
1014                 foreach($toolarray as $tool) {
1015
1016                         $image=$wgStylePath.'/common/images/'.$tool['image'];
1017                         $open=$tool['open'];
1018                         $close=$tool['close'];
1019                         $sample = wfEscapeJsString( $tool['sample'] );
1020
1021                         // Note that we use the tip both for the ALT tag and the TITLE tag of the image.
1022                         // Older browsers show a "speedtip" type message only for ALT.
1023                         // Ideally these should be different, realistically they
1024                         // probably don't need to be.
1025                         $tip = wfEscapeJsString( $tool['tip'] );
1026
1027                         #$key = $tool["key"];
1028
1029                         $toolbar.="addButton('$image','$tip','$open','$close','$sample');\n";
1030                 }
1031
1032                 $toolbar.="addInfobox('" . wfEscapeJsString( wfMsg( "infobox" ) ) .
1033                         "','" . wfEscapeJsString( wfMsg( "infobox_alert" ) ) . "');\n";
1034                 $toolbar.="document.writeln(\"</div>\");\n";
1035
1036                 $toolbar.="/*]]>*/\n</script>";
1037                 return $toolbar;
1038         }
1039
1040         /**
1041          * Output preview text only. This can be sucked into the edit page
1042          * via JavaScript, and saves the server time rendering the skin as
1043          * well as theoretically being more robust on the client (doesn't
1044          * disturb the edit box's undo history, won't eat your text on
1045          * failure, etc).
1046          *
1047          * @todo This doesn't include category or interlanguage links.
1048          *       Would need to enhance it a bit, maybe wrap them in XML
1049          *       or something... that might also require more skin
1050          *       initialization, so check whether that's a problem.
1051          */
1052         function livePreview() {
1053                 global $wgOut;
1054                 $wgOut->disable();
1055                 header( 'Content-type: text/xml' );
1056                 header( 'Cache-control: no-cache' );
1057                 # FIXME
1058                 echo $this->getPreviewText( false, false );
1059         }
1060
1061
1062         /**
1063          * Get a diff between the current contents of the edit box and the
1064          * version of the page we're editing from.
1065          *
1066          * If this is a section edit, we'll replace the section as for final
1067          * save and then make a comparison.
1068          *
1069          * @return string HTML
1070          */
1071         function getDiff() {
1072                 require_once( 'DifferenceEngine.php' );
1073                 $oldtext = $this->mArticle->getContent( true );
1074                 $newtext = $this->mArticle->getTextOfLastEditWithSectionReplacedOrAdded(
1075                         $this->section, $this->textbox1, $this->summary, $this->edittime );
1076                 $oldtitle = wfMsg( 'currentrev' );
1077                 $newtitle = wfMsg( 'yourtext' );
1078                 if ( $oldtext != wfMsg( 'noarticletext' ) || $newtext != '' ) {
1079                         $difftext = DifferenceEngine::getDiff( $oldtext, $newtext, $oldtitle, $newtitle );
1080                 }
1081
1082                 return '<div id="wikiDiff">' . $difftext . '</div>';
1083         }
1084
1085 }
1086
1087 ?>