]> git.mxchange.org Git - friendica.git/blobdiff - mod/parse_url.php
photos-albms widget: add some classes
[friendica.git] / mod / parse_url.php
index 7f10dce3496cad36b82b137cc87a703b34746db9..ef051d9f6b433c0e8152c39168c0debd8cfbee0a 100644 (file)
@@ -24,33 +24,51 @@ if(!function_exists('deletenode')) {
 }
 
 function completeurl($url, $scheme) {
-        $urlarr = parse_url($url);
+       $urlarr = parse_url($url);
 
-        if (isset($urlarr["scheme"]))
-                return($url);
+       if (isset($urlarr["scheme"]))
+               return($url);
 
-        $schemearr = parse_url($scheme);
+       $schemearr = parse_url($scheme);
 
-        $complete = $schemearr["scheme"]."://".$schemearr["host"];
+       $complete = $schemearr["scheme"]."://".$schemearr["host"];
 
-        if (@$schemearr["port"] != "")
-                $complete .= ":".$schemearr["port"];
+       if (@$schemearr["port"] != "")
+               $complete .= ":".$schemearr["port"];
 
                if(strpos($urlarr['path'],'/') !== 0)
                        $complete .= '/';
 
-        $complete .= $urlarr["path"];
+       $complete .= $urlarr["path"];
 
-        if (@$urlarr["query"] != "")
-                $complete .= "?".$urlarr["query"];
+       if (@$urlarr["query"] != "")
+               $complete .= "?".$urlarr["query"];
 
-        if (@$urlarr["fragment"] != "")
-                $complete .= "#".$urlarr["fragment"];
+       if (@$urlarr["fragment"] != "")
+               $complete .= "#".$urlarr["fragment"];
 
-        return($complete);
+       return($complete);
+}
+
+function parseurl_getsiteinfo_cached($url, $no_guessing = false, $do_oembed = true) {
+
+       $data = Cache::get("parse_url:".$no_guessing.":".$do_oembed.":".$url);
+       if (!is_null($data)) {
+               $data = unserialize($data);
+               return $data;
+       }
+
+       $data = parseurl_getsiteinfo($url, $no_guessing, $do_oembed);
+
+       Cache::set("parse_url:".$no_guessing.":".$do_oembed.":".$url,serialize($data), CACHE_DAY);
+
+       return $data;
 }
 
 function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) {
+       require_once("include/network.php");
+
+       $a = get_app();
 
        $siteinfo = array();
 
@@ -61,24 +79,30 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
 
        $url = trim($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($ch, CURLOPT_NOBODY, 0);
+       curl_setopt($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($ch,CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
+       curl_setopt($ch, CURLOPT_USERAGENT, $a->get_useragent());
 
        $header = curl_exec($ch);
        $curl_info = @curl_getinfo($ch);
-        $http_code = $curl_info['http_code'];
+       $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 ($curl_info['redirect_url'] != "")
@@ -88,6 +112,14 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
                return($siteinfo);
        }
 
+       // 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($siteinfo);
+
        if ($do_oembed) {
                require_once("include/oembed.php");
 
@@ -95,8 +127,35 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
 
                if ($oembed_data->type != "error")
                        $siteinfo["type"] = $oembed_data->type;
+
+               if (($oembed_data->type == "link") AND ($siteinfo["type"] != "photo")) {
+                       if (isset($oembed_data->title))
+                               $siteinfo["title"] = $oembed_data->title;
+                       if (isset($oembed_data->description))
+                               $siteinfo["text"] = trim($oembed_data->description);
+                       if (isset($oembed_data->thumbnail_url))
+                               $siteinfo["image"] = $oembed_data->thumbnail_url;
+               }
        }
 
+       $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());
+
+       $header = curl_exec($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, $matches))
@@ -138,25 +197,25 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
        $xpath = new DomXPath($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($siteinfo);
-                        }
-                }
+       foreach ($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 = $xpath->query("head/title");
@@ -169,8 +228,8 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
        foreach ($list as $node) {
                $attr = array();
                if ($node->attributes->length)
-                        foreach ($node->attributes as $attribute)
-                                $attr[$attribute->name] = $attribute->value;
+                       foreach ($node->attributes as $attribute)
+                               $attr[$attribute->name] = $attribute->value;
 
                $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
 
@@ -182,9 +241,15 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
                                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"] = $attr["content"];
@@ -201,18 +266,31 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
                                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 $keyword)
+                       if (!in_array(trim($keyword), $siteinfo["keywords"]))
+                               $siteinfo["keywords"][] = trim($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] = $attribute->value;
+                       foreach ($node->attributes as $attribute)
+                               $attr[$attribute->name] = $attribute->value;
 
                $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
 
@@ -230,22 +308,13 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
                        }
        }
 
-       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;
+           $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);
@@ -264,7 +333,7 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
                                                                "height"=>$photodata[1]);
                        }
 
-               }
+               }
     } else {
                $src = completeurl($siteinfo["image"], $url);
 
@@ -313,6 +382,8 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
 
        logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
 
+       call_hooks('getsiteinfo', $siteinfo);
+
        return($siteinfo);
 }
 
@@ -352,6 +423,15 @@ function parse_url_content(&$a) {
                }
        }
 
+       // add url scheme if missing
+       $arrurl = parse_url($url);
+       if (!x($arrurl, 'scheme')) {
+               if (x($arrurl, 'host'))
+                       $url = "http:".$url;
+               else
+                       $url = "http://".$url;
+       }
+
        logger('parse_url: ' . $url);
 
        if($textmode)
@@ -390,14 +470,24 @@ function parse_url_content(&$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"] == "") {
-               $sitedata .= sprintf($template,$url,$url,'') . $str_tags;
-               killme();
-       } else {
+       if($siteinfo["title"] != "") {
                $text = $siteinfo["text"];
                $title = $siteinfo["title"];
        }