]> git.mxchange.org Git - friendica.git/blobdiff - mod/parse_url.php
Merge remote-tracking branch 'upstream/develop' into 1602-diaspora
[friendica.git] / mod / parse_url.php
index 06e59b869157d2188413a088c63a6baea117add4..a1ca5a3db5e2e1c831d35bada4b52a3502b54183 100644 (file)
@@ -1,16 +1,20 @@
 <?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>
+/** 
+ * @file mod/parse_url.php
+ * 
+ * @todo https://developers.google.com/+/plugins/snippet/
+ * 
+ * @verbatim
+ * <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>
+ * @endverbatim
 */
 
 if(!function_exists('deletenode')) {
@@ -24,34 +28,59 @@ 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, $do_oembed = true) {
+
+       if ($url == "")
+               return false;
+
+       $r = q("SELECT * FROM `parsed_url` WHERE `url` = '%s' AND `guessing` = %d AND `oembed` = %d",
+               dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed));
+
+       if ($r)
+               $data = $r[0]["content"];
+
+       if (!is_null($data)) {
+               $data = unserialize($data);
+               return $data;
+       }
+
+       $data = parseurl_getsiteinfo($url, $no_guessing, $do_oembed);
+
+       q("INSERT INTO `parsed_url` (`url`, `guessing`, `oembed`, `content`, `created`) VALUES ('%s', %d, %d, '%s', '%s')",
+               dbesc(normalise_link($url)), intval(!$no_guessing), intval($do_oembed), dbesc(serialize($data)), dbesc(datetime_convert()));
+
+       return $data;
 }
 
 function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $count = 1) {
        require_once("include/network.php");
+       require_once("include/Photo.php");
 
        $a = get_app();
 
@@ -70,10 +99,12 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
        $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($ch, CURLOPT_FOLLOWLOCATION, 1);
@@ -81,9 +112,11 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
 
        $header = curl_exec($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 ($curl_info['redirect_url'] != "")
@@ -93,6 +126,14 @@ function parseurl_getsiteinfo($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");
 
@@ -100,8 +141,35 @@ 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, $matches))
@@ -143,25 +211,25 @@ function parseurl_getsiteinfo($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 = $xpath->query("head/title");
@@ -174,8 +242,8 @@ function parseurl_getsiteinfo($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"));
 
@@ -226,7 +294,8 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
        if (isset($keywords)) {
                $siteinfo["keywords"] = array();
                foreach ($keywords as $keyword)
-                       $siteinfo["keywords"][] = trim($keyword);
+                       if (!in_array(trim($keyword), $siteinfo["keywords"]))
+                               $siteinfo["keywords"][] = trim($keyword);
        }
 
        //$list = $xpath->query("head/meta[@property]");
@@ -234,8 +303,8 @@ function parseurl_getsiteinfo($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"));
 
@@ -253,25 +322,16 @@ 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);
+                       $photodata = get_photo_info($src);
 
                        if (($photodata) && ($photodata[0] > 150) and ($photodata[1] > 150)) {
                                if ($photodata[0] > 300) {
@@ -287,13 +347,13 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
                                                                "height"=>$photodata[1]);
                        }
 
-               }
-    } else {
+               }
+    } elseif ($siteinfo["image"] != "") {
                $src = completeurl($siteinfo["image"], $url);
 
                unset($siteinfo["image"]);
 
-               $photodata = @getimagesize($src);
+               $photodata = get_photo_info($src);
 
                if (($photodata) && ($photodata[0] > 10) and ($photodata[1] > 10))
                        $siteinfo["images"][] = array("src"=>$src,
@@ -377,6 +437,15 @@ 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($textmode)
@@ -432,10 +501,7 @@ function parse_url_content(&$a) {
 
        $sitedata = "";
 
-       if($siteinfo["title"] == "") {
-               $sitedata .= sprintf($template,$url,$url,'') . $str_tags;
-               killme();
-       } else {
+       if($siteinfo["title"] != "") {
                $text = $siteinfo["text"];
                $title = $siteinfo["title"];
        }