+function parseurl_getsiteinfo($url, $no_guessing = false) {
+ $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_FOLLOWLOCATION, 1);
+ curl_setopt($ch,CURLOPT_USERAGENT,' Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0');
+
+ $header = curl_exec($ch);
+ $curl_info = @curl_getinfo($ch);
+ $http_code = $curl_info['http_code'];
+ curl_close($ch);
+
+ if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302"))
+ AND (($curl_info['redirect_url'] != "") OR ($curl_info['location'] != ""))) {
+ if ($curl_info['redirect_url'] != "")
+ $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url']);
+ else
+ $siteinfo = parseurl_getsiteinfo($curl_info['location']);
+ return($siteinfo);
+ }
+
+ require_once("include/oembed.php");
+
+ $oembed_data = oembed_fetch_url($url);
+
+ if ($oembed_data->type == "link") {
+ if (isset($oembed_data->title))
+ $siteinfo["title"] = $oembed_data->title;
+ if (isset($oembed_data->description))
+ $siteinfo["text"] = $oembed_data->description;
+ if (isset($oembed_data->thumbnail_url))
+ $siteinfo["image"] = $oembed_data->thumbnail_url;
+ }
+
+ // 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 = $xpath->query("//meta[@content]");
+ foreach ($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);
+ 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;
+
+ $attr["content"] = html_entity_decode($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"] == "") 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));
+
+ $siteinfo["text"] = html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...';
+ }
+ }
+
+ return($siteinfo);
+}