<?php require_once('library/HTML5/Parser.php'); require_once('library/HTMLPurifier.auto.php'); function arr_add_hashes(&$item,$k) { $item = '#' . $item; } function parse_url_content(&$a) { $text = null; $str_tags = ''; $textmode = false; if(local_user() && intval(get_pconfig(local_user(),'system','plaintext'))) $textmode = true; if($textmode) $br = (($textmode) ? "\n" : '<br /?'); if(x($_GET,'binurl')) $url = trim(hex2bin($_GET['binurl'])); else $url = trim($_GET['url']); if($_GET['title']) $title = strip_tags(trim($_GET['title'])); if($_GET['description']) $text = strip_tags(trim($_GET['description'])); if($_GET['tags']) { $arr_tags = str_getcsv($_GET['tags']); if(count($arr_tags)) { array_walk($arr_tags,'arr_add_hashes'); $str_tags = $br . implode(' ',$arr_tags) . $br; } } logger('parse_url: ' . $url); if($textmode) $template = $br . '[bookmark=%s]%s[/bookmark]%s' . $br; else $template = "<br /><a class=\"bookmark\" href=\"%s\" >%s</a>%s<br />"; $arr = array('url' => $url, 'text' => ''); call_hooks('parse_link', $arr); if(strlen($arr['text'])) { echo $arr['text']; killme(); } if($url && $title && $text) { if($textmode) $text = $br . $br . '[quote]' . $text . '[/quote]' . $br; else $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />'; $title = str_replace(array("\r","\n"),array('',''),$title); $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; logger('parse_url (unparsed): returns: ' . $result); echo $result; killme(); } if($url) { $s = fetch_url($url); } else { echo ''; killme(); } // logger('parse_url: data: ' . $s, LOGGER_DATA); if(! $s) { echo sprintf($template,$url,$url,'') . $str_tags; killme(); } $matches = ''; $c = preg_match('/\<head(.*?)\>(.*?)\<\/head\>/ism',$s,$matches); if($c) { // logger('parse_url: header: ' . $matches[2], LOGGER_DATA); try { $domhead = HTML5_Parser::parse($matches[2]); } catch (DOMException $e) { logger('scrape_dfrn: parse error: ' . $e); } if($domhead) logger('parsed header'); } if(! $title) { if(strpos($s,'<title>')) { $title = substr($s,strpos($s,'<title>')+7,64); if(strpos($title,'<') !== false) $title = strip_tags(substr($title,0,strpos($title,'<'))); } } $config = HTMLPurifier_Config::createDefault(); $config->set('Cache.DefinitionImpl', null); $purifier = new HTMLPurifier($config); $s = $purifier->purify($s); // logger('purify_output: ' . $s); try { $dom = HTML5_Parser::parse($s); } catch (DOMException $e) { logger('scrape_dfrn: parse error: ' . $e); } if(! $dom) { echo sprintf($template,$url,$url,'') . $str_tags; killme(); } $items = $dom->getElementsByTagName('title'); if($items) { foreach($items as $item) { $title = trim($item->textContent); break; } } if(! $text) { $divs = $dom->getElementsByTagName('div'); if($divs) { foreach($divs as $div) { $class = $div->getAttribute('class'); if($class && (stristr($class,'article') || stristr($class,'content'))) { $items = $div->getElementsByTagName('p'); if($items) { foreach($items as $item) { $text = $item->textContent; if(stristr($text,'<script')) { $text = ''; continue; } $text = strip_tags($text); if(strlen($text) < 100) { $text = ''; continue; } $text = substr($text,0,250) . '...' ; break; } } } if($text) break; } } if(! $text) { $items = $dom->getElementsByTagName('p'); if($items) { foreach($items as $item) { $text = $item->textContent; if(stristr($text,'<script')) continue; $text = strip_tags($text); if(strlen($text) < 100) { $text = ''; continue; } $text = substr($text,0,250) . '...' ; break; } } } } if(! $text) { logger('parsing meta'); $items = $domhead->getElementsByTagName('meta'); if($items) { foreach($items as $item) { $property = $item->getAttribute('property'); if($property && (stristr($property,':description'))) { $text = $item->getAttribute('content'); if(stristr($text,'<script')) { $text = ''; continue; } $text = strip_tags($text); $text = substr($text,0,250) . '...' ; } if($property && (stristr($property,':image'))) { $image = $item->getAttribute('content'); if(stristr($text,'<script')) { $image = ''; continue; } $image = strip_tags($image); $i = fetch_url($image); if($i) { require_once('include/Photo.php'); $ph = new Photo($i); if($ph->is_valid()) { if($ph->getWidth() > 300 || $ph->getHeight() > 300) { $ph->scaleImage(300); $new_width = $ph->getWidth(); $new_height = $ph->getHeight(); if($textmode) $image = $br . $br . '[img=' . $new_width . 'x' . $new_height . ']' . $image . '[/img]'; else $image = '<br /><br /><img height="' . $new_height . '" width="' . $new_width . '" src="' .$image . '" alt="photo" />'; } else { if($textmode) $image = $br . $br . '[img]' . $image . '[/img]'; else $image = '<br /><br /><img src="' . $image . '" alt="photo" />'; } } else $image = ''; } } } } } if(strlen($text)) { if($textmode) $text = $br .$br . '[quote]' . $text . '[/quote]' . $br ; else $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />'; } if($image) { $text = $image . $br . $text; } $title = str_replace(array("\r","\n"),array('',''),$title); $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; logger('parse_url: returns: ' . $result); echo $result; killme(); }