172 lines
3.4 KiB
PHP
172 lines
3.4 KiB
PHP
<?php
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require_once('library/HTML5/Parser.php');
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require_once('library/HTMLPurifier.auto.php');
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function arr_add_hashes(&$item,$k) {
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$item = '#' . $item;
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}
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function parse_url_content(&$a) {
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$text = null;
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$str_tags = '';
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if(x($_GET,'binurl'))
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$url = trim(hex2bin($_GET['binurl']));
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else
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$url = trim($_GET['url']);
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if($_GET['title'])
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$title = strip_tags(trim($_GET['title']));
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if($_GET['description'])
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$text = strip_tags(trim($_GET['description']));
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if($_GET['tags']) {
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$arr_tags = str_getcsv($_GET['tags']);
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if(count($arr_tags)) {
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array_walk($arr_tags,'arr_add_hashes');
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$str_tags = '<br />' . implode(' ',$arr_tags) . '<br />';
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}
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}
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logger('parse_url: ' . $url);
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$template = "<br /><a class=\"bookmark\" href=\"%s\" >%s</a>%s<br />";
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$arr = array('url' => $url, 'text' => '');
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call_hooks('parse_link', $arr);
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if(strlen($arr['text'])) {
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echo $arr['text'];
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killme();
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}
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if($url && $title && $text) {
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$text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
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$title = str_replace(array("\r","\n"),array('',''),$title);
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$result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
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logger('parse_url (unparsed): returns: ' . $result);
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echo $result;
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killme();
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}
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if($url) {
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$s = fetch_url($url);
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} else {
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echo '';
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killme();
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}
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logger('parse_url: data: ' . $s, LOGGER_DATA);
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if(! $s) {
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echo sprintf($template,$url,$url,'') . $str_tags;
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killme();
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}
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if(! $title) {
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if(strpos($s,'<title>')) {
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$title = substr($s,strpos($s,'<title>')+7,64);
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if(strpos($title,'<') !== false)
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$title = strip_tags(substr($title,0,strpos($title,'<')));
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}
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}
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$config = HTMLPurifier_Config::createDefault();
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$config->set('Cache.DefinitionImpl', null);
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$purifier = new HTMLPurifier($config);
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$s = $purifier->purify($s);
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try {
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$dom = HTML5_Parser::parse($s);
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} catch (DOMException $e) {
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logger('scrape_dfrn: parse error: ' . $e);
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}
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if(! $dom) {
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echo sprintf($template,$url,$url,'') . $str_tags;
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killme();
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}
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$items = $dom->getElementsByTagName('title');
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if($items) {
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foreach($items as $item) {
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$title = trim($item->textContent);
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break;
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}
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}
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if(! $text) {
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$divs = $dom->getElementsByTagName('div');
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if($divs) {
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foreach($divs as $div) {
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$class = $div->getAttribute('class');
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if($class && (stristr($class,'article') || stristr($class,'content'))) {
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$items = $div->getElementsByTagName('p');
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if($items) {
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foreach($items as $item) {
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$text = $item->textContent;
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if(stristr($text,'<script')) {
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$text = '';
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continue;
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}
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$text = strip_tags($text);
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if(strlen($text) < 100) {
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$text = '';
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continue;
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}
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$text = substr($text,0,250) . '...' ;
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break;
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}
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}
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}
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if($text)
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break;
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}
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}
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if(! $text) {
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$items = $dom->getElementsByTagName('p');
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if($items) {
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foreach($items as $item) {
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$text = $item->textContent;
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if(stristr($text,'<script'))
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continue;
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$text = strip_tags($text);
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if(strlen($text) < 100) {
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$text = '';
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continue;
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}
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$text = substr($text,0,250) . '...' ;
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break;
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}
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}
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}
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}
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if(strlen($text)) {
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$text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
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}
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$title = str_replace(array("\r","\n"),array('',''),$title);
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$result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
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logger('parse_url: returns: ' . $result);
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echo $result;
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killme();
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}
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