X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fparse_url.php;h=ef051d9f6b433c0e8152c39168c0debd8cfbee0a;hb=e97a6dfb77f27c03da63d96a2995891f05856d0c;hp=4830be5d6f078b9d7e8700f1b8d81cf6351a9172;hpb=3092d34a7aee4ad6768659f3515bef603b9b25a4;p=friendica.git

diff --git a/mod/parse_url.php b/mod/parse_url.php
index 4830be5d6f..ef051d9f6b 100644
--- a/mod/parse_url.php
+++ b/mod/parse_url.php
@@ -24,30 +24,45 @@ 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, $count = 1) {
@@ -70,10 +85,12 @@ function parseurl_getsiteinfo($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($ch, CURLOPT_FOLLOWLOCATION, 1);
@@ -81,9 +98,11 @@ function parseurl_getsiteinfo($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 ($curl_info['redirect_url'] != "")
@@ -93,6 +112,14 @@ function parseurl_getsiteinfo($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");
 
@@ -100,8 +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, $matches))
@@ -143,25 +197,25 @@ function parseurl_getsiteinfo($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 = $xpath->query("head/title");
@@ -174,8 +228,8 @@ function parseurl_getsiteinfo($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"));
 
@@ -187,6 +241,9 @@ 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"] = $attr["content"];
 					break;
@@ -223,7 +280,8 @@ function parseurl_getsiteinfo($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 = $xpath->query("head/meta[@property]");
@@ -231,8 +289,8 @@ function parseurl_getsiteinfo($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"));
 
@@ -250,22 +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);
@@ -284,7 +333,7 @@ function parseurl_getsiteinfo($url, $no_guessing = false, $do_oembed = true, $co
 								"height"=>$photodata[1]);
 			}
 
- 		}
+		}
     } else {
 		$src = completeurl($siteinfo["image"], $url);
 
@@ -333,6 +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);
 }
 
@@ -372,6 +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($textmode)
@@ -410,14 +470,24 @@ function parse_url_content(&$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"];
 	}