From 1df4bb6db8d74122c50a0a42a9e2249eb73f2e90 Mon Sep 17 00:00:00 2001 From: Hypolite Petovan Date: Wed, 7 Mar 2018 16:20:04 -0500 Subject: [PATCH] Create Content\Text\HTML class - Move BBCode::cleanCss to HTML::sanitizeCSS --- src/Content/Text/BBCode.php | 25 +- src/Content/Text/HTML.php | 674 ++++++++++++++++++++++++++++++++++++ 2 files changed, 676 insertions(+), 23 deletions(-) create mode 100644 src/Content/Text/HTML.php diff --git a/src/Content/Text/BBCode.php b/src/Content/Text/BBCode.php index 9c7dac2605..2e9af5a249 100644 --- a/src/Content/Text/BBCode.php +++ b/src/Content/Text/BBCode.php @@ -764,27 +764,6 @@ class BBCode extends BaseObject return $text . "\n" . $data["after"]; } - private static function cleanCss($input) - { - $cleaned = ""; - - $input = strtolower($input); - - for ($i = 0; $i < strlen($input); $i++) { - $char = substr($input, $i, 1); - - if (($char >= "a") && ($char <= "z")) { - $cleaned .= $char; - } - - if (!(strpos(" #;:0123456789-_.%", $char) === false)) { - $cleaned .= $char; - } - } - - return $cleaned; - } - /** * Converts [url] BBCodes in a format that looks fine on Mastodon. (callback function) * @@ -1629,7 +1608,7 @@ class BBCode extends BaseObject $text = preg_replace_callback( "(\[style=(.*?)\](.*?)\[\/style\])ism", function ($match) { - return "" . $match[2] . ""; + return "" . $match[2] . ""; }, $text ); @@ -1638,7 +1617,7 @@ class BBCode extends BaseObject $text = preg_replace_callback( "(\[class=(.*?)\](.*?)\[\/class\])ism", function ($match) { - return "" . $match[2] . ""; + return "" . $match[2] . ""; }, $text ); diff --git a/src/Content/Text/HTML.php b/src/Content/Text/HTML.php new file mode 100644 index 0000000000..f82a254d3d --- /dev/null +++ b/src/Content/Text/HTML.php @@ -0,0 +1,674 @@ += "a") && ($char <= "z")) { + $cleaned .= $char; + } + + if (!(strpos(" #;:0123456789-_.%", $char) === false)) { + $cleaned .= $char; + } + } + + return $cleaned; + } + + private static function tagToBBCode(DOMDocument $doc, $tag, $attributes, $startbb, $endbb) + { + do { + $done = self::tagToBBCodeSub($doc, $tag, $attributes, $startbb, $endbb); + } while ($done); + } + + private static function tagToBBCodeSub(DOMDocument $doc, $tag, $attributes, $startbb, $endbb) + { + $savestart = str_replace('$', '\x01', $startbb); + $replace = false; + + $xpath = new DOMXPath($doc); + + $list = $xpath->query("//" . $tag); + foreach ($list as $node) { + $attr = []; + if ($node->attributes->length) { + foreach ($node->attributes as $attribute) { + $attr[$attribute->name] = $attribute->value; + } + } + + $replace = true; + + $startbb = $savestart; + + $i = 0; + + foreach ($attributes as $attribute => $value) { + $startbb = str_replace('\x01' . ++$i, '$1', $startbb); + if (strpos('*' . $startbb, '$1') > 0) { + if ($replace && (@$attr[$attribute] != '')) { + $startbb = preg_replace($value, $startbb, $attr[$attribute], -1, $count); + + // If nothing could be changed + if ($count == 0) { + $replace = false; + } + } else { + $replace = false; + } + } else { + if (@$attr[$attribute] != $value) { + $replace = false; + } + } + } + + if ($replace) { + $StartCode = $doc->createTextNode($startbb); + $EndCode = $doc->createTextNode($endbb); + + $node->parentNode->insertBefore($StartCode, $node); + + if ($node->hasChildNodes()) { + foreach ($node->childNodes as $child) { + $newNode = $child->cloneNode(true); + $node->parentNode->insertBefore($newNode, $node); + } + } + + $node->parentNode->insertBefore($EndCode, $node); + $node->parentNode->removeChild($node); + } + } + + return $replace; + } + + /** + * Made by: ike@piratenpartei.de + * Originally made for the syncom project: http://wiki.piratenpartei.de/Syncom + * https://github.com/annando/Syncom + * + * @brief Converter for HTML to BBCode + * @param string $message + * @param string $basepath + * @return string + */ + public static function toBBCode($message, $basepath = '') + { + $message = str_replace("\r", "", $message); + + // Removing code blocks before the whitespace removal processing below + $codeblocks = []; + $message = preg_replace_callback( + '#
(.*)
#iUs', + function ($matches) use (&$codeblocks) { + $return = '[codeblock-' . count($codeblocks) . ']'; + + $prefix = '[code]'; + if ($matches[1] != '') { + $prefix = '[code=' . $matches[1] . ']'; + } + + $codeblocks[] = $prefix . trim($matches[2]) . '[/code]'; + return $return; + }, + $message + ); + + $message = str_replace( + [ + "

  • ", + "

    • ", + ], [ + "
  • ", + "
    • ", + ], $message + ); + + // remove namespaces + $message = preg_replace('=<(\w+):(.+?)>=', '', $message); + $message = preg_replace('==', '', $message); + + $doc = new DOMDocument(); + $doc->preserveWhiteSpace = false; + + $message = mb_convert_encoding($message, 'HTML-ENTITIES', "UTF-8"); + + @$doc->loadHTML($message); + + XML::deleteNode($doc, 'style'); + XML::deleteNode($doc, 'head'); + XML::deleteNode($doc, 'title'); + XML::deleteNode($doc, 'meta'); + XML::deleteNode($doc, 'xml'); + XML::deleteNode($doc, 'removeme'); + + $xpath = new DomXPath($doc); + $list = $xpath->query("//pre"); + foreach ($list as $node) { + $node->nodeValue = str_replace("\n", "\r", $node->nodeValue); + } + + $message = $doc->saveHTML(); + $message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "
    ", " ", ""], $message); + $message = preg_replace('= [\s]*=i', " ", $message); + @$doc->loadHTML($message); + + self::tagToBBCode($doc, 'html', [], "", ""); + self::tagToBBCode($doc, 'body', [], "", ""); + + // Outlook-Quote - Variant 1 + self::tagToBBCode($doc, 'p', ['class' => 'MsoNormal', 'style' => 'margin-left:35.4pt'], '[quote]', '[/quote]'); + + // Outlook-Quote - Variant 2 + self::tagToBBCode($doc, 'div', ['style' => 'border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'], + '[quote]', '[/quote]'); + + // MyBB-Stuff + self::tagToBBCode($doc, 'span', ['style' => 'text-decoration: underline;'], '[u]', '[/u]'); + self::tagToBBCode($doc, 'span', ['style' => 'font-style: italic;'], '[i]', '[/i]'); + self::tagToBBCode($doc, 'span', ['style' => 'font-weight: bold;'], '[b]', '[/b]'); + + /* self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[font=$1][size=$2][color=$3]', '[/color][/size][/font]'); + self::node2BBCode($doc, 'font', array('size'=>'/(\d+)/', 'color'=>'/(.+)/'), '[size=$1][color=$2]', '[/color][/size]'); + self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/', 'size'=>'/(.+)/'), '[font=$1][size=$2]', '[/size][/font]'); + self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/', 'color'=>'/(.+)/'), '[font=$1][color=$3]', '[/color][/font]'); + self::node2BBCode($doc, 'font', array('face'=>'/([\w ]+)/'), '[font=$1]', '[/font]'); + self::node2BBCode($doc, 'font', array('size'=>'/(\d+)/'), '[size=$1]', '[/size]'); + self::node2BBCode($doc, 'font', array('color'=>'/(.+)/'), '[color=$1]', '[/color]'); + */ + // Untested + //self::node2BBCode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*font-family:\s*(.+?)[,;].*color:\s*(.+?)[,;].*/'), '[size=$1][font=$2][color=$3]', '[/color][/font][/size]'); + //self::node2BBCode($doc, 'span', array('style'=>'/.*font-size:\s*(\d+)[,;].*/'), '[size=$1]', '[/size]'); + //self::node2BBCode($doc, 'span', array('style'=>'/.*font-size:\s*(.+?)[,;].*/'), '[size=$1]', '[/size]'); + + self::tagToBBCode($doc, 'span', ['style' => '/.*color:\s*(.+?)[,;].*/'], '[color="$1"]', '[/color]'); + + //self::node2BBCode($doc, 'span', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]'); + //self::node2BBCode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*font-size:\s*(\d+?)pt.*/'), '[font=$1][size=$2]', '[/size][/font]'); + //self::node2BBCode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*font-size:\s*(\d+?)px.*/'), '[font=$1][size=$2]', '[/size][/font]'); + //self::node2BBCode($doc, 'div', array('style'=>'/.*font-family:\s*(.+?)[,;].*/'), '[font=$1]', '[/font]'); + // Importing the classes - interesting for importing of posts from third party networks that were exported from friendica + // Test + //self::node2BBCode($doc, 'span', array('class'=>'/([\w ]+)/'), '[class=$1]', '[/class]'); + self::tagToBBCode($doc, 'span', ['class' => 'type-link'], '[class=type-link]', '[/class]'); + self::tagToBBCode($doc, 'span', ['class' => 'type-video'], '[class=type-video]', '[/class]'); + + self::tagToBBCode($doc, 'strong', [], '[b]', '[/b]'); + self::tagToBBCode($doc, 'em', [], '[i]', '[/i]'); + self::tagToBBCode($doc, 'b', [], '[b]', '[/b]'); + self::tagToBBCode($doc, 'i', [], '[i]', '[/i]'); + self::tagToBBCode($doc, 'u', [], '[u]', '[/u]'); + + self::tagToBBCode($doc, 'big', [], "[size=large]", "[/size]"); + self::tagToBBCode($doc, 'small', [], "[size=small]", "[/size]"); + + self::tagToBBCode($doc, 'blockquote', [], '[quote]', '[/quote]'); + + self::tagToBBCode($doc, 'br', [], "\n", ''); + + self::tagToBBCode($doc, 'p', ['class' => 'MsoNormal'], "\n", ""); + self::tagToBBCode($doc, 'div', ['class' => 'MsoNormal'], "\r", ""); + + self::tagToBBCode($doc, 'span', [], "", ""); + + self::tagToBBCode($doc, 'span', [], "", ""); + self::tagToBBCode($doc, 'pre', [], "", ""); + + self::tagToBBCode($doc, 'div', [], "\r", "\r"); + self::tagToBBCode($doc, 'p', [], "\n", "\n"); + + self::tagToBBCode($doc, 'ul', [], "[list]", "[/list]"); + self::tagToBBCode($doc, 'ol', [], "[list=1]", "[/list]"); + self::tagToBBCode($doc, 'li', [], "[*]", ""); + + self::tagToBBCode($doc, 'hr', [], "[hr]", ""); + + self::tagToBBCode($doc, 'table', [], "", ""); + self::tagToBBCode($doc, 'tr', [], "\n", ""); + self::tagToBBCode($doc, 'td', [], "\t", ""); + //self::node2BBCode($doc, 'table', array(), "[table]", "[/table]"); + //self::node2BBCode($doc, 'th', array(), "[th]", "[/th]"); + //self::node2BBCode($doc, 'tr', array(), "[tr]", "[/tr]"); + //self::node2BBCode($doc, 'td', array(), "[td]", "[/td]"); + //self::node2BBCode($doc, 'h1', array(), "\n\n[size=xx-large][b]", "[/b][/size]\n"); + //self::node2BBCode($doc, 'h2', array(), "\n\n[size=x-large][b]", "[/b][/size]\n"); + //self::node2BBCode($doc, 'h3', array(), "\n\n[size=large][b]", "[/b][/size]\n"); + //self::node2BBCode($doc, 'h4', array(), "\n\n[size=medium][b]", "[/b][/size]\n"); + //self::node2BBCode($doc, 'h5', array(), "\n\n[size=small][b]", "[/b][/size]\n"); + //self::node2BBCode($doc, 'h6', array(), "\n\n[size=x-small][b]", "[/b][/size]\n"); + + self::tagToBBCode($doc, 'h1', [], "[h1]", "[/h1]"); + self::tagToBBCode($doc, 'h2', [], "[h2]", "[/h2]"); + self::tagToBBCode($doc, 'h3', [], "[h3]", "[/h3]"); + self::tagToBBCode($doc, 'h4', [], "[h4]", "[/h4]"); + self::tagToBBCode($doc, 'h5', [], "[h5]", "[/h5]"); + self::tagToBBCode($doc, 'h6', [], "[h6]", "[/h6]"); + + self::tagToBBCode($doc, 'a', ['href' => '/mailto:(.+)/'], '[mail=$1]', '[/mail]'); + self::tagToBBCode($doc, 'a', ['href' => '/(.+)/'], '[url=$1]', '[/url]'); + + self::tagToBBCode($doc, 'img', ['src' => '/(.+)/', 'width' => '/(\d+)/', 'height' => '/(\d+)/'], '[img=$2x$3]$1', + '[/img]'); + self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], '[img]$1', '[/img]'); + + + self::tagToBBCode($doc, 'video', ['src' => '/(.+)/'], '[video]$1', '[/video]'); + self::tagToBBCode($doc, 'audio', ['src' => '/(.+)/'], '[audio]$1', '[/audio]'); + self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], '[iframe]$1', '[/iframe]'); + + self::tagToBBCode($doc, 'key', [], '[code]', '[/code]'); + self::tagToBBCode($doc, 'code', [], '[code]', '[/code]'); + + $message = $doc->saveHTML(); + + // I'm removing something really disturbing + // Don't know exactly what it is + $message = str_replace(chr(194) . chr(160), ' ', $message); + + $message = str_replace(" ", " ", $message); + + // removing multiple DIVs + $message = preg_replace('=\r *\r=i', "\n", $message); + $message = str_replace("\r", "\n", $message); + + Addon::callHooks('html2bbcode', $message); + + $message = strip_tags($message); + + $message = html_entity_decode($message, ENT_QUOTES, 'UTF-8'); + + $message = str_replace(["<"], ["<"], $message); + + // remove quotes if they don't make sense + $message = preg_replace('=\[/quote\][\s]*\[quote\]=i', "\n", $message); + + $message = preg_replace('=\[quote\]\s*=i', "[quote]", $message); + $message = preg_replace('=\s*\[/quote\]=i', "[/quote]", $message); + + do { + $oldmessage = $message; + $message = str_replace("\n \n", "\n\n", $message); + } while ($oldmessage != $message); + + do { + $oldmessage = $message; + $message = str_replace("\n\n\n", "\n\n", $message); + } while ($oldmessage != $message); + + do { + $oldmessage = $message; + $message = str_replace( + [ + "[/size]\n\n", + "\n[hr]", + "[hr]\n", + "\n[list", + "[/list]\n", + "\n[/", + "[list]\n", + "[list=1]\n", + "\n[*]"], + [ + "[/size]\n", + "[hr]", + "[hr]", + "[list", + "[/list]", + "[/", + "[list]", + "[list=1]", + "[*]"], $message + ); + } while ($message != $oldmessage); + + $message = str_replace( + ['[b][b]', '[/b][/b]', '[i][i]', '[/i][/i]'], ['[b]', '[/b]', '[i]', '[/i]'], $message + ); + + // Handling Yahoo style of mails + $message = str_replace('[hr][b]From:[/b]', '[quote][b]From:[/b]', $message); + + // Restore code blocks + $message = preg_replace_callback( + '#\[codeblock-([0-9]+)\]#iU', + function ($matches) use ($codeblocks) { + $return = ''; + if (isset($codeblocks[intval($matches[1])])) { + $return = $codeblocks[$matches[1]]; + } + return $return; + }, + $message + ); + + $message = trim($message); + + if ($basepath != '') { + $message = self::qualifyURLs($message, $basepath); + } + + return $message; + } + + /** + * @brief Sub function to complete incomplete URL + * + * @param array $matches Result of preg_replace_callback + * @param string $basepath Basepath that is used to complete the URL + * + * @return string The expanded URL + */ + private static function qualifyURLsSub($matches, $basepath) + { + $base = parse_url($basepath); + unset($base['query']); + unset($base['fragment']); + + $link = $matches[0]; + $url = $matches[1]; + + $parts = array_merge($base, parse_url($url)); + $url2 = Network::unparseURL($parts); + + return str_replace($url, $url2, $link); + } + + /** + * @brief Complete incomplete URLs in BBCode + * + * @param string $body Body with URLs + * @param string $basepath Base path that is used to complete the URL + * + * @return string Body with expanded URLs + */ + private static function qualifyURLs($body, $basepath) + { + $URLSearchString = "^\[\]"; + + $matches = ["/\[url\=([$URLSearchString]*)\].*?\[\/url\]/ism", + "/\[url\]([$URLSearchString]*)\[\/url\]/ism", + "/\[img\=[0-9]*x[0-9]*\](.*?)\[\/img\]/ism", + "/\[img\](.*?)\[\/img\]/ism", + "/\[zmg\=[0-9]*x[0-9]*\](.*?)\[\/img\]/ism", + "/\[zmg\](.*?)\[\/zmg\]/ism", + "/\[video\](.*?)\[\/video\]/ism", + "/\[audio\](.*?)\[\/audio\]/ism", + ]; + + foreach ($matches as $match) { + $body = preg_replace_callback( + $match, function ($match) use ($basepath) { + return self::qualifyURLsSub($match, $basepath); + }, + $body + ); + } + return $body; + } + + private static function breakLines($line, $level, $wraplength = 75) + { + if ($wraplength == 0) { + $wraplength = 2000000; + } + + $wraplen = $wraplength - $level; + + $newlines = []; + + do { + $oldline = $line; + + $subline = substr($line, 0, $wraplen); + + $pos = strrpos($subline, ' '); + + if ($pos == 0) { + $pos = strpos($line, ' '); + } + + if (($pos > 0) && strlen($line) > $wraplen) { + $newline = trim(substr($line, 0, $pos)); + if ($level > 0) { + $newline = str_repeat(">", $level) . ' ' . $newline; + } + + $newlines[] = $newline . " "; + $line = substr($line, $pos + 1); + } + } while ((strlen($line) > $wraplen) && !($oldline == $line)); + + if ($level > 0) { + $line = str_repeat(">", $level) . ' ' . $line; + } + + $newlines[] = $line; + + return implode($newlines, "\n"); + } + + private static function quoteLevel($message, $wraplength = 75) + { + $lines = explode("\n", $message); + + $newlines = []; + $level = 0; + foreach ($lines as $line) { + $line = trim($line); + $startquote = false; + while (strpos("*" . $line, '[quote]') > 0) { + $level++; + $pos = strpos($line, '[quote]'); + $line = substr($line, 0, $pos) . substr($line, $pos + 7); + $startquote = true; + } + + $currlevel = $level; + + while (strpos("*" . $line, '[/quote]') > 0) { + $level--; + if ($level < 0) { + $level = 0; + } + + $pos = strpos($line, '[/quote]'); + $line = substr($line, 0, $pos) . substr($line, $pos + 8); + } + + if (!$startquote || ($line != '')) { + $newlines[] = self::breakLines($line, $currlevel, $wraplength); + } + } + + return implode($newlines, "\n"); + } + + private static function collectURLs($message) + { + $pattern = '/(.*?)<\/a>/is'; + preg_match_all($pattern, $message, $result, PREG_SET_ORDER); + + $urls = []; + foreach ($result as $treffer) { + $ignore = false; + + // A list of some links that should be ignored + $list = ["/user/", "/tag/", "/group/", "/profile/", "/search?search=", "/search?tag=", "mailto:", "/u/", "/node/", + "//facebook.com/profile.php?id=", "//plus.google.com/", "//twitter.com/"]; + foreach ($list as $listitem) { + if (strpos($treffer[1], $listitem) !== false) { + $ignore = true; + } + } + + if ((strpos($treffer[1], "//twitter.com/") !== false) && (strpos($treffer[1], "/status/") !== false)) { + $ignore = false; + } + + if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/posts") !== false)) { + $ignore = false; + } + + if ((strpos($treffer[1], "//plus.google.com/") !== false) && (strpos($treffer[1], "/photos") !== false)) { + $ignore = false; + } + + if (!$ignore) { + $urls[$treffer[1]] = $treffer[1]; + } + } + + return $urls; + } + + public static function toPlaintext($html, $wraplength = 75, $compact = false) + { + global $lang; + + $message = str_replace("\r", "", $html); + + $doc = new DOMDocument(); + $doc->preserveWhiteSpace = false; + + $message = mb_convert_encoding($message, 'HTML-ENTITIES', "UTF-8"); + + @$doc->loadHTML($message); + + $xpath = new DOMXPath($doc); + $list = $xpath->query("//pre"); + foreach ($list as $node) { + $node->nodeValue = str_replace("\n", "\r", $node->nodeValue); + } + + $message = $doc->saveHTML(); + $message = str_replace(["\n<", ">\n", "\r", "\n", "\xC3\x82\xC2\xA0"], ["<", ">", "
    ", " ", ""], $message); + $message = preg_replace('= [\s]*=i', " ", $message); + + // Collecting all links + $urls = self::collectURLs($message); + + @$doc->loadHTML($message); + + self::tagToBBCode($doc, 'html', [], '', ''); + self::tagToBBCode($doc, 'body', [], '', ''); + + // MyBB-Auszeichnungen + /* + self::node2BBCode($doc, 'span', array('style'=>'text-decoration: underline;'), '_', '_'); + self::node2BBCode($doc, 'span', array('style'=>'font-style: italic;'), '/', '/'); + self::node2BBCode($doc, 'span', array('style'=>'font-weight: bold;'), '*', '*'); + + self::node2BBCode($doc, 'strong', array(), '*', '*'); + self::node2BBCode($doc, 'b', array(), '*', '*'); + self::node2BBCode($doc, 'i', array(), '/', '/'); + self::node2BBCode($doc, 'u', array(), '_', '_'); + */ + + if ($compact) { + self::tagToBBCode($doc, 'blockquote', [], "»", "«"); + } else { + self::tagToBBCode($doc, 'blockquote', [], '[quote]', "[/quote]\n"); + } + + self::tagToBBCode($doc, 'br', [], "\n", ''); + + self::tagToBBCode($doc, 'span', [], "", ""); + self::tagToBBCode($doc, 'pre', [], "", ""); + self::tagToBBCode($doc, 'div', [], "\r", "\r"); + self::tagToBBCode($doc, 'p', [], "\n", "\n"); + + //self::node2BBCode($doc, 'ul', array(), "\n[list]", "[/list]\n"); + //self::node2BBCode($doc, 'ol', array(), "\n[list=1]", "[/list]\n"); + self::tagToBBCode($doc, 'li', [], "\n* ", "\n"); + + self::tagToBBCode($doc, 'hr', [], "\n" . str_repeat("-", 70) . "\n", ""); + + self::tagToBBCode($doc, 'tr', [], "\n", ""); + self::tagToBBCode($doc, 'td', [], "\t", ""); + + self::tagToBBCode($doc, 'h1', [], "\n\n*", "*\n"); + self::tagToBBCode($doc, 'h2', [], "\n\n*", "*\n"); + self::tagToBBCode($doc, 'h3', [], "\n\n*", "*\n"); + self::tagToBBCode($doc, 'h4', [], "\n\n*", "*\n"); + self::tagToBBCode($doc, 'h5', [], "\n\n*", "*\n"); + self::tagToBBCode($doc, 'h6', [], "\n\n*", "*\n"); + + // Problem: there is no reliable way to detect if it is a link to a tag or profile + //self::node2BBCode($doc, 'a', array('href'=>'/(.+)/'), ' $1 ', ' ', true); + //self::node2BBCode($doc, 'a', array('href'=>'/(.+)/', 'rel'=>'oembed'), ' $1 ', '', true); + //self::node2BBCode($doc, 'img', array('alt'=>'/(.+)/'), '$1', ''); + //self::node2BBCode($doc, 'img', array('title'=>'/(.+)/'), '$1', ''); + //self::node2BBCode($doc, 'img', array(), '', ''); + if (!$compact) { + self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], ' [img]$1', '[/img] '); + } else { + self::tagToBBCode($doc, 'img', ['src' => '/(.+)/'], ' ', ' '); + } + + self::tagToBBCode($doc, 'iframe', ['src' => '/(.+)/'], ' $1 ', ''); + + $message = $doc->saveHTML(); + + if (!$compact) { + $message = str_replace("[img]", "", $message); + $message = str_replace("[/img]", "", $message); + } + + // was ersetze ich da? + // Irgendein stoerrisches UTF-Zeug + $message = str_replace(chr(194) . chr(160), ' ', $message); + + $message = str_replace(" ", " ", $message); + + // Aufeinanderfolgende DIVs + $message = preg_replace('=\r *\r=i', "\n", $message); + $message = str_replace("\r", "\n", $message); + + $message = strip_tags($message); + + $message = html_entity_decode($message, ENT_QUOTES, 'UTF-8'); + + if (!$compact && ($message != '')) { + foreach ($urls as $id => $url) { + if ($url != '' && strpos($message, $url) === false) { + $message .= "\n" . $url . ' '; + } + } + } + + $message = str_replace("\n«", "«\n", $message); + $message = str_replace("»\n", "\n»", $message); + + do { + $oldmessage = $message; + $message = str_replace("\n\n\n", "\n\n", $message); + } while ($oldmessage != $message); + + $message = self::quoteLevel(trim($message), $wraplength); + + return trim($message); + } +}