]> git.mxchange.org Git - friendica.git/blobdiff - mod/parse_url.php
Merge pull request #1399 from annando/1502-profile-link-avatar-picture
[friendica.git] / mod / parse_url.php
index a0608f636340cfe8e88b41f5c1bae123204974f6..9f7b31be302b05576ea6111db14755f6ff32eeeb 100644 (file)
@@ -50,22 +50,34 @@ function completeurl($url, $scheme) {
         return($complete);
 }
 
-function parseurl_getsiteinfo($url, $no_guessing = false) {
+function parseurl_getsiteinfo($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";
 
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, 1);
-       curl_setopt($ch, CURLOPT_NOBODY, 0);
+       curl_setopt($ch, CURLOPT_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,' Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0');
+       curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
 
        $header = curl_exec($ch);
        $curl_info = @curl_getinfo($ch);
@@ -75,23 +87,47 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
        if ((($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']);
+                       $siteinfo = parseurl_getsiteinfo($curl_info['redirect_url'], $no_guessing, $do_oembed, ++$count);
                else
-                       $siteinfo = parseurl_getsiteinfo($curl_info['location']);
+                       $siteinfo = parseurl_getsiteinfo($curl_info['location'], $no_guessing, $do_oembed, ++$count);
                return($siteinfo);
        }
 
-       require_once("include/oembed.php");
+       if ($do_oembed) {
+               require_once("include/oembed.php");
 
-       $oembed_data = oembed_fetch_url($url);
+               $oembed_data = oembed_fetch_url($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);
+
+       // 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());
 
-       if ($oembed_data->type != "error")
-               $siteinfo["type"] = $oembed_data->type;
+       $header = curl_exec($ch);
+       $curl_info = @curl_getinfo($ch);
+        $http_code = $curl_info['http_code'];
+       curl_close($ch);
 
        // Fetch the first mentioned charset. Can be in body or header
        $charset = "";
        if (preg_match('/charset=(.*?)['."'".'"\s\n]/', $header, $matches))
-               $charset = trim(array_pop($matches));
+               $charset = trim(trim(trim(array_pop($matches)), ';,'));
 
        if ($charset == "")
                $charset = "utf-8";
@@ -103,7 +139,12 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
        else
                $body = $header;
 
-       $body = mb_convert_encoding($body, "UTF-8", $charset);
+       if (($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");
 
        $doc = new DOMDocument();
@@ -139,7 +180,7 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
                                         $content = substr($value, 4);
                         }
                         if ($content != "") {
-                                $siteinfo = parseurl_getsiteinfo($content);
+                                $siteinfo = parseurl_getsiteinfo($content, $no_guessing, $do_oembed, ++$count);
                                 return($siteinfo);
                         }
                 }
@@ -168,11 +209,17 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
                                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"] == "")
+                                       if (($siteinfo["type"] == "") OR ($attr["content"] == "photo"))
                                                $siteinfo["type"] = $attr["content"];
                                        break;
                                case "twitter:description":
@@ -187,11 +234,23 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
                                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 $node) {
@@ -216,7 +275,7 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
                        }
        }
 
-       if ($oembed_data->type == "link") {
+       if (isset($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($oembed_data->description) != ""))
@@ -299,6 +358,8 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
 
        logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
 
+       call_hooks('getsiteinfo', $siteinfo);
+
        return($siteinfo);
 }
 
@@ -376,8 +437,21 @@ function parse_url_content(&$a) {
 
        $siteinfo = parseurl_getsiteinfo($url);
 
+//     if ($textmode) {
+//             require_once("include/items.php");
+//
+//             echo add_page_info_data($siteinfo);
+//             killme();
+//     }
+
        $url= $siteinfo["url"];
 
+       // If the link contains BBCode stuff, make a short link out of this to avoid parsing problems
+       if (strpos($url, '[') OR strpos($url, ']')) {
+               require_once("include/network.php");
+               $url = short_link($url);
+       }
+
        $sitedata = "";
 
        if($siteinfo["title"] == "") {
@@ -440,3 +514,4 @@ function parse_url_content(&$a) {
 
        killme();
 }
+?>