diff options
Diffstat (limited to 'mod/parse_url.php')
| -rw-r--r-- | mod/parse_url.php | 422 |
1 files changed, 242 insertions, 180 deletions
diff --git a/mod/parse_url.php b/mod/parse_url.php index a38f7e270..061053196 100644 --- a/mod/parse_url.php +++ b/mod/parse_url.php @@ -1,7 +1,224 @@ <?php +/* To-Do +https://developers.google.com/+/plugins/snippet/ + +<meta itemprop="name" content="Toller Titel"> +<meta itemprop="description" content="Eine tolle Beschreibung"> +<meta itemprop="image" content="http://maple.libertreeproject.org/images/tree-icon.png"> + +<body itemscope itemtype="http://schema.org/Product"> + <h1 itemprop="name">Shiny Trinket</h1> + <img itemprop="image" src="{image-url}" /> + <p itemprop="description">Shiny trinkets are shiny.</p> +</body> +*/ + +if(!function_exists('deletenode')) { + function deletenode(&$doc, $node) + { + $xpath = new DomXPath($doc); + $list = $xpath->query("//".$node); + foreach ($list as $child) + $child->parentNode->removeChild($child); + } +} + +function completeurl($url, $scheme) { + $urlarr = parse_url($url); + + if (isset($urlarr["scheme"])) + return($url); + + $schemearr = parse_url($scheme); + + $complete = $schemearr["scheme"]."://".$schemearr["host"]; + + if ($schemearr["port"] != "") + $complete .= ":".$schemearr["port"]; + + $complete .= $urlarr["path"]; + + if ($urlarr["query"] != "") + $complete .= "?".$urlarr["query"]; + + if ($urlarr["fragment"] != "") + $complete .= "#".$urlarr["fragment"]; + + return($complete); +} -require_once('library/HTML5/Parser.php'); -require_once('library/HTMLPurifier.auto.php'); +function parseurl_getsiteinfo($url) { + $siteinfo = array(); + + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $url); + curl_setopt($ch, CURLOPT_HEADER, 1); + curl_setopt($ch, CURLOPT_NOBODY, 0); + curl_setopt($ch, CURLOPT_TIMEOUT, 3); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + curl_setopt($ch,CURLOPT_USERAGENT,'Opera/9.64(Windows NT 5.1; U; de) Presto/2.1.1'); + + $header = curl_exec($ch); + curl_close($ch); + + // Fetch the first mentioned charset. Can be in body or header + if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches)) + $charset = trim(array_pop($matches)); + else + $charset = "utf-8"; + + $pos = strpos($header, "\r\n\r\n"); + + if ($pos) + $body = trim(substr($header, $pos)); + else + $body = $header; + + $body = mb_convert_encoding($body, "UTF-8", $charset); + $body = mb_convert_encoding($body, 'HTML-ENTITIES', "UTF-8"); + + $doc = new DOMDocument(); + @$doc->loadHTML($body); + + deletenode($doc, 'style'); + deletenode($doc, 'script'); + deletenode($doc, 'option'); + deletenode($doc, 'h1'); + deletenode($doc, 'h2'); + deletenode($doc, 'h3'); + deletenode($doc, 'h4'); + deletenode($doc, 'h5'); + deletenode($doc, 'h6'); + deletenode($doc, 'ol'); + deletenode($doc, 'ul'); + + $xpath = new DomXPath($doc); + + //$list = $xpath->query("head/title"); + $list = $xpath->query("//title"); + foreach ($list as $node) + $siteinfo["title"] = html_entity_decode($node->nodeValue, ENT_QUOTES, "UTF-8"); + + //$list = $xpath->query("head/meta[@name]"); + $list = $xpath->query("//meta[@name]"); + foreach ($list as $node) { + $attr = array(); + if ($node->attributes->length) + foreach ($node->attributes as $attribute) + $attr[$attribute->name] = $attribute->value; + + $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"); + + switch (strtolower($attr["name"])) { + case "fulltitle": + $siteinfo["title"] = $attr["content"]; + break; + case "description": + $siteinfo["text"] = $attr["content"]; + break; + case "dc.title": + $siteinfo["title"] = $attr["content"]; + break; + case "dc.description": + $siteinfo["text"] = $attr["content"]; + break; + } + } + + //$list = $xpath->query("head/meta[@property]"); + $list = $xpath->query("//meta[@property]"); + foreach ($list as $node) { + $attr = array(); + if ($node->attributes->length) + foreach ($node->attributes as $attribute) + $attr[$attribute->name] = $attribute->value; + + $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"); + + switch (strtolower($attr["property"])) { + case "og:image": + $siteinfo["image"] = $attr["content"]; + break; + case "og:title": + $siteinfo["title"] = $attr["content"]; + break; + case "og:description": + $siteinfo["text"] = $attr["content"]; + break; + } + } + + if ($siteinfo["image"] == "") { + $list = $xpath->query("//img[@src]"); + foreach ($list as $node) { + $attr = array(); + if ($node->attributes->length) + foreach ($node->attributes as $attribute) + $attr[$attribute->name] = $attribute->value; + + $src = completeurl($attr["src"], $url); + $photodata = getimagesize($src); + + if (($photodata[0] > 150) and ($photodata[1] > 150)) { + if ($photodata[0] > 300) { + $photodata[1] = round($photodata[1] * (300 / $photodata[0])); + $photodata[0] = 300; + } + if ($photodata[1] > 300) { + $photodata[0] = round($photodata[0] * (300 / $photodata[1])); + $photodata[1] = 300; + } + $siteinfo["images"][] = array("src"=>$src, + "width"=>$photodata[0], + "height"=>$photodata[1]); + } + + } + } else { + $src = completeurl($siteinfo["image"], $url); + $photodata = getimagesize($src); + + if (($photodata[0] > 10) and ($photodata[1] > 10)) + $siteinfo["images"][] = array("src"=>$src, + "width"=>$photodata[0], + "height"=>$photodata[1]); + } + + if ($siteinfo["text"] == "") { + $text = ""; + + $list = $xpath->query("//div[@class='article']"); + foreach ($list as $node) + if (strlen($node->nodeValue) > 40) + $text .= " ".trim($node->nodeValue); + + if ($text == "") { + $list = $xpath->query("//div[@class='content']"); + foreach ($list as $node) + if (strlen($node->nodeValue) > 40) + $text .= " ".trim($node->nodeValue); + } + + // If none text was found then take the paragraph content + if ($text == "") { + $list = $xpath->query("//p"); + foreach ($list as $node) + if (strlen($node->nodeValue) > 40) + $text .= " ".trim($node->nodeValue); + } + + if ($text != "") { + $text = trim(str_replace(array("\n", "\r"), array(" ", " "), $text)); + + while (strpos($text, " ")) + $text = trim(str_replace(" ", " ", $text)); + + $siteinfo["text"] = html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...'; + } + } + + return($siteinfo); +} function arr_add_hashes(&$item,$k) { $item = '#' . $item; @@ -16,8 +233,8 @@ function parse_url_content(&$a) { if(local_user() && intval(get_pconfig(local_user(),'system','plaintext'))) $textmode = true; - if($textmode) - $br = (($textmode) ? "\n" : '<br /?'); + //if($textmode) + $br = (($textmode) ? "\n" : '<br />'); if(x($_GET,'binurl')) $url = trim(hex2bin($_GET['binurl'])); @@ -40,13 +257,11 @@ function parse_url_content(&$a) { 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', $arr); @@ -60,208 +275,55 @@ function parse_url_content(&$a) { if($url && $title && $text) { if($textmode) - $text = $br . $br . '[quote]' . $text . '[/quote]' . $br; + $text = $br . '[quote]' . trim($text) . '[/quote]' . $br; else - $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />'; + $text = '<br /><blockquote>' . trim($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); + logger('parse_url (unparsed): returns: ' . $result); echo $result; killme(); } + $siteinfo = parseurl_getsiteinfo($url); - 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,'') . $str_tags; + if($siteinfo["title"] == "") { + echo print_r($siteinfo, true); + //echo sprintf($template,$url,$url,'') . $str_tags; killme(); + } else { + $text = $siteinfo["text"]; + $title = $siteinfo["title"]; } - $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'); - $items = (isset($domhead) && is_object($domhead) ? $domhead->getElementsByTagName('meta') : null); - if($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); + $image = ""; - - $text = substr($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'); - // guess mimetype from headers or filename - $type = guess_image_type($image,true); - - $ph = new Photo($i, $type); - if($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 - $image = ''; - - } - } - } - } - } + foreach ($siteinfo["images"] as $imagedata) + if($textmode) + $image .= '[img='.$imagedata["width"].'x'.$imagedata["height"].']'.$imagedata["src"].'[/img]'; + else + $image .= '<img height="'.$imagedata["height"].'" width="'.$imagedata["width"].'" src="'.$imagedata["src"].'" alt="photo" />'; if(strlen($text)) { if($textmode) - $text = $br .$br . '[quote]' . $text . '[/quote]' . $br ; + $text = $br.'[quote]'.trim($text).'[/quote]'.$br ; else - $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />'; + $text = '<br /><blockquote>'.trim($text).'</blockquote><br />'; } if($image) { - $text = $image . $br . $text; + $text = $br.$br.$image.$text; } $title = str_replace(array("\r","\n"),array('',''),$title); $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags; - logger('parse_url: returns: ' . $result); + logger('parse_url: returns: ' . $result); - echo $result; + echo trim($result); killme(); } |