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Merge pull request #932 from annando/master
[friendica.git] / mod / parse_url.php
diff --git a/mod/parse_url.php b/mod/parse_url.php
index cb7268c1df83acd0e14bb9db4e0b1617346e2bc4..a0608f636340cfe8e88b41f5c1bae123204974f6 100644 (file)
--- a/mod/parse_url.php
+++ b/mod/parse_url.php
@@ -52,6 +52,12 @@ function completeurl($url, $scheme) {
 
 function parseurl_getsiteinfo($url, $no_guessing = false) {
        $siteinfo = array();
+
+       $url = trim($url, "'");
+       $url = trim($url, '"');
+       $siteinfo["url"] = $url;
+       $siteinfo["type"] = "link";
+
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_HEADER, 1);
@@ -66,7 +72,7 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
         $http_code = $curl_info['http_code'];
        curl_close($ch);
 
-       if ((($curl_info['http_code'] == "301") OR ($curl_info['http_code'] == "302"))
+       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']);
@@ -79,19 +85,15 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
 
        $oembed_data = oembed_fetch_url($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"] = $oembed_data->thumbnail_url;
-       }
+       if ($oembed_data->type != "error")
+               $siteinfo["type"] = $oembed_data->type;
 
        // 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));
-       else
+
+       if ($charset == "")
                $charset = "utf-8";
 
        $pos = strpos($header, "\r\n\r\n");
@@ -156,22 +158,38 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
                         foreach ($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;
-               }
+               $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
+
+               if ($attr["content"] != "")
+                       switch (strtolower($attr["name"])) {
+                               case "fulltitle":
+                                       $siteinfo["title"] = $attr["content"];
+                                       break;
+                               case "description":
+                                       $siteinfo["text"] = $attr["content"];
+                                       break;
+                               case "twitter:image":
+                                       $siteinfo["image"] = $attr["content"];
+                                       break;
+                               case "twitter:card":
+                                       if ($siteinfo["type"] == "")
+                                               $siteinfo["type"] = $attr["content"];
+                                       break;
+                               case "twitter:description":
+                                       $siteinfo["text"] = $attr["content"];
+                                       break;
+                               case "twitter:title":
+                                       $siteinfo["title"] = $attr["content"];
+                                       break;
+                               case "dc.title":
+                                       $siteinfo["title"] = $attr["content"];
+                                       break;
+                               case "dc.description":
+                                       $siteinfo["text"] = $attr["content"];
+                                       break;
+                       }
+               if ($siteinfo["type"] == "summary")
+                       $siteinfo["type"] = "link";
        }
 
        //$list = $xpath->query("head/meta[@property]");
@@ -182,19 +200,29 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
                         foreach ($node->attributes as $attribute)
                                 $attr[$attribute->name] = $attribute->value;
 
-               $attr["content"] = html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8");
+               $attr["content"] = trim(html_entity_decode($attr["content"], ENT_QUOTES, "UTF-8"));
+
+               if ($attr["content"] != "")
+                       switch (strtolower($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;
+                       }
+       }
 
-               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"] = $attr["content"];
-                               break;
-               }
+       if ($oembed_data->type == "link") {
+               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) {
@@ -265,10 +293,12 @@ function parseurl_getsiteinfo($url, $no_guessing = false) {
                        while (strpos($text, "  "))
                                $text = trim(str_replace("  ", " ", $text));
 
-                       $siteinfo["text"] = html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...';
+                       $siteinfo["text"] = trim(html_entity_decode(substr($text,0,350), ENT_QUOTES, "UTF-8").'...');
                }
        }
 
+       logger("parseurl_getsiteinfo: Siteinfo for ".$url." ".print_r($siteinfo, true), LOGGER_DEBUG);
+
        return($siteinfo);
 }
 
@@ -311,9 +341,9 @@ function parse_url_content(&$a) {
        logger('parse_url: ' . $url);
 
        if($textmode)
-               $template = $br . '[bookmark=%s]%s[/bookmark]%s' . $br;
+               $template = '[bookmark=%s]%s[/bookmark]%s';
        else
-               $template = "<br /><a class=\"bookmark\" href=\"%s\" >%s</a>%s<br />";
+               $template = "<a class=\"bookmark\" href=\"%s\" >%s</a>%s";
 
        $arr = array('url' => $url, 'text' => '');
 
@@ -327,13 +357,15 @@ function parse_url_content(&$a) {
 
        if($url && $title && $text) {
 
-               if($textmode)
-                       $text = $br . '[quote]' . trim($text) . '[/quote]' . $br;
-               else
-                       $text = '<br /><blockquote>' . trim($text) . '</blockquote><br />';
-
                $title = str_replace(array("\r","\n"),array('',''),$title);
 
+               if($textmode)
+                       $text = '[quote]' . trim($text) . '[/quote]' . $br;
+               else {
+                       $text = '<blockquote>' . htmlspecialchars(trim($text)) . '</blockquote><br />';
+                       $title = htmlspecialchars($title);
+               }
+
                $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
 
                logger('parse_url (unparsed): returns: ' . $result);
@@ -344,8 +376,12 @@ function parse_url_content(&$a) {
 
        $siteinfo = parseurl_getsiteinfo($url);
 
+       $url= $siteinfo["url"];
+
+       $sitedata = "";
+
        if($siteinfo["title"] == "") {
-               echo sprintf($template,$url,$url,'') . $str_tags;
+               $sitedata .= sprintf($template,$url,$url,'') . $str_tags;
                killme();
        } else {
                $text = $siteinfo["text"];
@@ -354,7 +390,7 @@ function parse_url_content(&$a) {
 
        $image = "";
 
-       if(sizeof($siteinfo["images"]) > 0){
+       if (($siteinfo["type"] != "video") AND (sizeof($siteinfo["images"]) > 0)){
                /* Execute below code only if image is present in siteinfo */
 
                $total_images = 0;
@@ -372,25 +408,35 @@ function parse_url_content(&$a) {
                        $total_images ++;
                        if($max_images && $max_images >= $total_images)
                                break;
-        }
+               }
        }
 
        if(strlen($text)) {
                if($textmode)
-                       $text = $br.'[quote]'.trim($text).'[/quote]'.$br ;
+                       $text = '[quote]'.trim($text).'[/quote]';
                else
-                       $text = '<br /><blockquote>'.trim($text).'</blockquote><br />';
+                       $text = '<blockquote>'.htmlspecialchars(trim($text)).'</blockquote>';
        }
 
-       if($image) {
+       if($image)
                $text = $br.$br.$image.$text;
-       }
+       else
+               $text = $br.$text;
+
        $title = str_replace(array("\r","\n"),array('',''),$title);
 
        $result = sprintf($template,$url,($title) ? $title : $url,$text) . $str_tags;
 
        logger('parse_url: returns: ' . $result);
 
-       echo trim($result);
+       $sitedata .=  trim($result);
+
+       if (($siteinfo["type"] == "video") AND ($url != ""))
+               echo "[class=type-video]".$sitedata."[/class]";
+       elseif (($siteinfo["type"] != "photo"))
+               echo "[class=type-link]".$sitedata."[/class]";
+       else
+               echo "[class=type-photo]".$title.$br.$image."[/class]";
+
        killme();
 }
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