Mediawiki pdfbook.hook.php

<?php class PdfBookHooks { public static function onRegistration() { global $wgLogTypes, $wgLogNames, $wgLogHeaders, $wgLogActions; $wgLogTypes[] = 'pdf'; $wgLogNames ['pdf'] = 'pdflogpage'; $wgLogHeaders['pdf'] = 'pdflogpagetext'; $wgLogActions['pdf/book'] = 'pdflogentry'; } /** * Perform the export operation */ public static function onUnknownAction( $action, $article ) { global $wgOut, $wgUser, $wgParser, $wgRequest, $wgAjaxComments, $wgPdfBookDownload; global $wgServer, $wgArticlePath, $wgScriptPath, $wgUploadPath, $wgUploadDirectory, $wgScript; if( $action == 'pdfbook' ) { // Create a cache filename from the query-string parameters $cache = $wgUploadDirectory . '/pdf-book-cache' . md5( json_encode( $_GET ) ); $title = $article->getTitle(); $book = $title->getText(); $opt = ParserOptions::newFromUser( $wgUser ); // Log the export $msg = wfMessage( 'pdfbook-log', $wgUser->getUserPage()->getPrefixedText() )->text(); $log = new LogPage( 'pdf', false ); $log->addEntry( 'book', $article->getTitle(), $msg ); // Initialise PDF variables $format = self::setProperty( 'format', '', '' ); $nothumbs = self::setProperty( 'nothumbs', '', '' ); $notitle = self::setProperty( 'notitle', '', '' ); $comments = $wgAjaxComments ? self::setProperty( 'comments', '', false ) : ''; $layout = $format == 'single' ? '--webpage' : '--firstpage toc'; $charset = self::setProperty( 'Charset', 'iso-8859-1' ); $left = self::setProperty( 'LeftMargin', '2cm' ); $right = self::setProperty( 'RightMargin', '2cm' ); $top = self::setProperty( 'TopMargin', '2cm' ); $bottom = self::setProperty( 'BottomMargin','1.5cm' ); $font = self::setProperty( 'Font', 'Sans' ); $size = self::setProperty( 'FontSize', '10' ); $ls = self::setProperty( 'LineSpacing', 1.5 ); $linkcol = self::setProperty( 'LinkColour', '555555' ); $levels = self::setProperty( 'TocLevels', '3' ); $exclude = self::setProperty( 'Exclude', array() ); $width = self::setProperty( 'Width', '' ); $options = self::setProperty( 'Options', '' ); $width = $width ? "--browserwidth 800" : ''; if( !is_array( $exclude ) ) $exclude = preg_split( '\\s*,\\s*', $exclude ); // If the file doesn't exist, render the content now // if( !file_exists( $cache ) ) { // Select articles from members if a category or links in content if not if( $format == 'single' || $format == 'html' ) $articles = array( $title ); else { $articles = array(); if( $title->getNamespace() == NS_CATEGORY ) { $db = wfGetDB( DB_SLAVE ); $cat = $db->addQuotes( $title->getDBkey() ); $result = $db->select( 'categorylinks', 'cl_from', "cl_to = $cat", 'PdfBook', array( 'ORDER BY' => 'cl_sortkey' ) ); if( $result instanceof ResultWrapper ) $result = $result->result; while ( $row = $db->fetchRow( $result ) ) $articles[] = Title::newFromID( $row[0] ); } else { $text = $article->getPage()->getContent()->getNativeData(); $text = $wgParser->preprocess( $text, $title, $opt ); if( preg_match_all( "/^\\*\\s*\\[{2}\\s*([^\\|\\]]+)\\s*.*?\\]{2}/m", $text, $links ) ) foreach( $links[1] as $link ) $articles[] = Title::newFromText( $link ); } // } // Format the article(s) as a single HTML document with absolute URL's $html = ''; $wgArticlePath = $wgServer . $wgArticlePath; $wgPdfBookTab = false; $wgScriptPath = $wgServer . $wgScriptPath; $wgUploadPath = $wgServer . $wgUploadPath; $wgScript = $wgServer . $wgScript; foreach( $articles as $title ) { $ttext = $title->getPrefixedText(); if( !in_array( $ttext, $exclude ) ) { $article = new Article( $title ); $text = $article->getPage()->getContent()->getNativeData(); $text = preg_replace( "/<!--([^@]+?)-->/s", "@@" . "@@$1@@" . "@@", $text ); // preserve HTML comments if( $format != 'single' ) $text .= "__NOTOC__"; $opt->setEditSection( false ); // remove section-edit links $out = $wgParser->parse( $text, $title, $opt, true, true ); $text = $out->getText(); if( $format == 'html' ) { $text = preg_replace( "|(<img[^>]+?src=\")(/.+?>)|", "$1$wgServer$2", $text ); // make image urls absolute } else { $pUrl = parse_url( $wgScriptPath ) ; $imgpath = str_replace( '/' , '\/', $pUrl['path'] . '/' . basename( $wgUploadDirectory ) ) ; // the image's path $text = preg_replace( "|(<img[^>]+?src=\"$imgpath)(/.+?>)|", "<img src=\"$wgUploadDirectory$2", $text ); } if( $nothumbs == 'true') $text = preg_replace( "|images/thumb/(\w+/\w+/[\w\.\-]+).*\"|", "images/$1\"", $text ); // Convert image links from thumbnail to full-size $text = preg_replace( "|<div\s*class=['\"]?noprint[\"']?>.+?</div>|s", "", $text ); // non-printable areas $text = preg_replace( '/<span class="mw-headline" id="(.*?)">(.*?)<\/span>/', "$2", $text ); // span entfernen $text = preg_replace( "|@{4}([^@]+?)@{4}|s", "<!--$1-->", $text ); // HTML comments hack $ttext = basename( $ttext ); $h1 = $notitle ? "" : "<center><h1>$ttext</h1></center>"; // Add comments if selected and AjaxComments is installed if( $comments ) { $comments = $wgAjaxComments->onUnknownAction( 'ajaxcommentsinternal', $article ); } $html .= utf8_decode( "$h1$text\n$comments" ); } } // Build the cache file if( $format == 'html' ) file_put_contents( $cache, $html ); else { // Write the HTML to a tmp file if( !is_dir( $wgUploadDirectory ) ) mkdir( $wgUploadDirectory ); $file = $wgUploadDirectory . '/' . uniqid( 'pdf-book' ); file_put_contents( $file, $html ); // Build the htmldoc command $footer = $format == 'single' ? "..." : ".1."; $toc = $format == 'single' ? "" : " --toclevels $levels"; $cmd = "--left $left --right $right --top $top --bottom $bottom --size 6x9in --duplex --toctitle Inhalt" . " --header c.. --footer $footer --headfootsize 8 --quiet --jpeg --color --book --bodyimage http://jurtenland.de/wiki/images/c/c5/Pdfbookinhalt.png" . " --bodyfont $font --fontsize $size --fontspacing $ls --linkstyle plain --linkcolor $linkcol" . "$toc --no-title --no-numbered --charset $charset $options $layout $width"; $cmd = $format == 'htmltoc' ? "htmldoc -t html --format html $cmd $file" : "htmldoc -t pdf --format pdf14 $cmd $file"; // Execute the command outputting to the cache file putenv( "HTMLDOC_NOCGI=1" ); shell_exec( "$cmd > \"$cache\"" ); unlink( $file ); } } // Output the cache file $wgOut->disable(); if( $format == 'html' || $format == 'htmltoc' ) { header( "Content-Type: text/html" ); header( "Content-Disposition: attachment; filename=\"$book.html\"" ); } else { header( "Content-Type: application/pdf" ); if( $wgPdfBookDownload ) header( "Content-Disposition: attachment; filename=\"$book.pdf\"" ); else header( "Content-Disposition: inline; filename=\"$book.pdf\"" ); } readfile( $cache ); return false; } return true; } /** * Return a sanitised property for htmldoc using global, request or passed default */ private static function setProperty( $name, $val, $prefix = 'pdf' ) { global $wgRequest; if( $wgRequest->getText( "$prefix$name" ) ) $val = $wgRequest->getText( "$prefix$name" ); if( $wgRequest->getText( "amp;$prefix$name" ) ) $val = $wgRequest->getText( "amp;$prefix$name" ); // hack to handle ampersand entities in URL if( isset( $GLOBALS["wgPdfBook$name"] ) ) $val = $GLOBALS["wgPdfBook$name"]; return preg_replace( '|[^-_:.a-z0-9]|i', '', $val ); } /** * Add PDF to actions tabs in MonoBook based skins */ public static function onSkinTemplateTabs( $skin, &$actions) { global $wgPdfBookTab, $wgUser; if( $wgPdfBookTab && $wgUser->isLoggedIn() ) { $actions['pdfbook'] = array( 'class' => false, 'text' => wfMessage( 'pdfbook-action' )->text(), 'href' => self::actionLink( $skin ) ); } return true; } /** * Add PDF to actions tabs in vector based skins */ public static function onSkinTemplateNavigation( $skin, &$actions ) { global $wgPdfBookTab, $wgUser; if( $wgPdfBookTab && $wgUser->isLoggedIn() ) { $actions['views']['pdfbook'] = array( 'class' => false, 'text' => wfMessage( 'pdfbook-action' )->text(), 'href' => self::actionLink( $skin ) ); } return true; } /** * Get the URL for the action link */ public static function actionLink( $skin ) { $qs = 'action=pdfbook&format=single'; foreach( $_REQUEST as $k => $v ) if( $k != 'title' ) $qs .= "&$k=$v"; return $skin->getTitle()->getLocalURL( $qs ); } }