Merge #531 from branch 'lobid-gnd-408-urlencodingImagesproxy' of gith…

…ub.com:hbz/lobid

gatsby/lobid/static/imagesproxy.php

@@ -1,10 +1,23 @@
 <?php
+
         $url = $_GET['url'];
-        $url=str_replace(" ", "%20", $url);
+        // encode the URL
+        $url = implode("/", array_map("rawurlencode", explode("/", $url)));
+        // restore the colon of the protocol
+        $positionOfColon = strpos($url,"%");
+        $url= substr_replace($url,":",$positionOfColon,3);
+        // restore the query Parameter
+        $positionOfQueryParameter = strrpos($url,"%3F");
+        $url= substr_replace($url,"?",$positionOfQueryParameter,3);
+        // restore the
+        $positionOfEqual = strrpos($url,"%3D", $positionOfQueryParameter);
+        $url= substr_replace($url,"=",$positionOfEqual,3);
+
         $ch = curl_init();
         curl_setopt($ch, CURLOPT_URL, $url);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($ch, CURLOPT_HTTPHEADER, array("Content-Type: text/xml","User-Agent: imagesproxy/0.2 (https://lobid.org/)"));
+
         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
         $filename = basename($url);
 
@@ -26,7 +39,7 @@
         }
 
         header('Content-type: ' . $ctype);
-        echo $output = curl_exec($ch);
-        curl_close($ch); 
+        echo curl_exec($ch);
+        curl_close($ch);
 ?>