Shiny trinkets are shiny.
+ +*/ + +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"]; + + if(strpos($urlarr['path'],'/') !== 0) + $complete .= '/'; + + $complete .= $urlarr["path"]; + + if (@$urlarr["query"] != "") + $complete .= "?".$urlarr["query"]; + + if (@$urlarr["fragment"] != "") + $complete .= "#".$urlarr["fragment"]; + + return($complete); +} + +function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) { + require_once("include/network.php"); + + $a = get_app(); + + $siteinfo = array(); + + if ($count > 10) { + logger("parseurl_getsiteinfo: Endless loop detected for ".$url, LOGGER_DEBUG); + return($siteinfo); + } + + $url = trim($url, "'"); + $url = trim($url, '"'); + + $url = original_url($url); + + $siteinfo["url"] = $url; + $siteinfo["type"] = "link"; + + $stamp1 = microtime(true); + + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $url); + curl_setopt($ch, CURLOPT_HEADER, 1); + curl_setopt($ch, CURLOPT_NOBODY, 1); + curl_setopt($ch, CURLOPT_TIMEOUT, 3); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + //curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); + curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent()); + + $header = curl_exec($ch); + $curl_info = @curl_getinfo($ch); + $http_code = $curl_info['http_code']; + curl_close($ch); + + $a->save_timestamp($stamp1, "network"); + + if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302") OR ($curl_info['http_code'] == "303") OR ($curl_info['http_code'] == "307")) + AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) { + if ($curl_info['redirect_url'] != "") + $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url'], $no_guessing, $do_oembed, ++$count); + else + $siteinfo = parseurl_getsiteinfo($curl_info['location'], $no_guessing, $do_oembed, ++$count); + return($siteinfo); + } + + if ($do_oembed) { + require_once("include/oembed.php"); + + $oembed_data = oembed_fetch_url($url); + + if ($oembed_data->type != "error") + $siteinfo["type"] = $oembed_data->type; + } + + // if the file is too large then exit + if ($curl_info["download_content_length"] > 1000000) + return($siteinfo); + + // if it isn't a HTML file then exit + if (($curl_info["content_type"] != "") AND !strstr(strtolower($curl_info["content_type"]),"html")) + return($siteinfo); + + $stamp1 = microtime(true); + + // Now fetch the body as well + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $url); + curl_setopt($ch, CURLOPT_HEADER, 1); + curl_setopt($ch, CURLOPT_NOBODY, 0); + curl_setopt($ch, CURLOPT_TIMEOUT, 10); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent()); -require_once('library/HTML5/Parser.php'); -require_once('library/HTMLPurifier.auto.php'); + $header = curl_exec($ch); + $curl_info = @curl_getinfo($ch); + $http_code = $curl_info['http_code']; + curl_close($ch); + + $a->save_timestamp($stamp1, "network"); + + // Fetch the first mentioned charset. Can be in body or header + $charset = ""; + if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches)) + $charset = trim(trim(trim(array_pop($matches)), ';,')); + + if ($charset == "") + $charset = "utf-8"; + + $pos = strpos($header, "\r\n\r\n"); + + if ($pos) + $body = trim(substr($header, $pos)); + else + $body = $header; + + if (($charset != '') AND (strtoupper($charset) != "UTF-8")) { + logger("parseurl_getsiteinfo: detected charset ".$charset, LOGGER_DEBUG); + //$body = mb_convert_encoding($body, "UTF-8", $charset); + $body = iconv($charset, "UTF-8//TRANSLIT", $body); + } + + $body = mb_convert_encoding($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 = $xpath->query("//meta[@content]"); + foreach ($list as $node) { + $attr = array(); + if ($node->attributes->length) + foreach ($node->attributes as $attribute) + $attr[$attribute->name] = $attribute->value; + + if (@$attr["http-equiv"] == 'refresh') { + $path = $attr["content"]; + $pathinfo = explode(";", $path); + $content = ""; + foreach ($pathinfo AS $value) { + if (substr(strtolower($value), 0, 4) == "url=") + $content = substr($value, 4); + } + if ($content != "") { + $siteinfo = parseurl_getsiteinfo($content, $no_guessing, $do_oembed, ++$count); + return($siteinfo); + } + } + } + + //$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; + + $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); + + if ($attr["content"] != "") + switch (strtolower($attr["name"])) { + case "fulltitle": + $siteinfo["title"] = $attr["content"]; + break; + case "description": + $siteinfo["text"] = $attr["content"]; + break; + case "thumbnail": + $siteinfo["image"] = $attr["content"]; + break; + case "twitter:image": + $siteinfo["image"] = $attr["content"]; + break; + case "twitter:image:src": + $siteinfo["image"] = $attr["content"]; + break; + case "twitter:card": + if (($siteinfo["type"] == "") OR ($attr["content"] == "photo")) + $siteinfo["type"] = $attr["content"]; + break; + case "twitter:description": + $siteinfo["text"] = $attr["content"]; + break; + case "twitter:title": + $siteinfo["title"] = $attr["content"]; + break; + case "dc.title": + $siteinfo["title"] = $attr["content"]; + break; + case "dc.description": + $siteinfo["text"] = $attr["content"]; + break; + case "keywords": + $keywords = explode(",", $attr["content"]); + break; + case "news_keywords": + $keywords = explode(",", $attr["content"]); + break; + } + if ($siteinfo["type"] == "summary") + $siteinfo["type"] = "link"; + } + + if (isset($keywords)) { + $siteinfo["keywords"] = array(); + foreach ($keywords as $keyword) + $siteinfo["keywords"][] = trim($keyword); + } + + //$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; + + $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8")); + + if ($attr["content"] != "") + switch (strtolower($attr["property"])) { + case "og:image": + $siteinfo["image"] = $attr["content"]; + break; + case "og:title": + $siteinfo["title"] = $attr["content"]; + break; + case "og:description": + $siteinfo["text"] = $attr["content"]; + break; + } + } + + if (isset($oembed_data) AND ($oembed_data->type == "link") AND ($siteinfo["type"] != "photo")) { + if (isset($oembed_data->title) AND (trim($oembed_data->title) != "")) + $siteinfo["title"] = $oembed_data->title; + if (isset($oembed_data->description) AND (trim($oembed_data->description) != "")) + $siteinfo["text"] = trim($oembed_data->description); + if (isset($oembed_data->thumbnail_url) AND (trim($oembed_data->thumbnail_url) != "")) + $siteinfo["image"] = $oembed_data->thumbnail_url; + } + + if ((@$siteinfo["image"] == "") AND !$no_guessing) { + $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 (($photodata) && ($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"], $url); + + unset($siteinfo["image"]); + + $photodata = @getimagesize($src); + + if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10)) + $siteinfo["images"][] = array("src"=>$src, + "width"=>$photodata[0], + "height"=>$photodata[1]); + } + + if ((@$siteinfo["text"] == "") AND (@$siteinfo["title"] != "") AND !$no_guessing) { + $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)); + + $siteinfo["text"] = trim(html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...'); + } + } + + logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG); + + call_hooks('getsiteinfo', $siteinfo); + + return($siteinfo); +} function arr_add_hashes(&$item,$k) { $item = '#' . $item; @@ -12,6 +380,14 @@ function parse_url_content(&$a) { $text = null; $str_tags = ''; + $textmode = false; + + if(local_user() && (! feature_enabled(local_user(),'richtext'))) + $textmode = true; + + //if($textmode) + $br = (($textmode) ? "\n" : '' . $text . '
' . htmlspecialchars(trim($text)) . '