adapt uploadFile

Author: sapk

public/js/index.js

@@ -343,16 +343,17 @@ function retrieveImageFromClipboardAsBlob(pasteEvent, callback){
     }
 }
 
-function uploadFile(contextPath, file, callback) {
+function uploadFile(file, callback) {
     const xhr = new XMLHttpRequest();
 
     xhr.onload = function() {
         if (xhr.status == 200) {
             callback(xhr.responseText);
         }
     };
-    //TODO contextPath
-    xhr.open("post", suburl + "/" + contextPath + "/attachments", true);
+    let contextPath = window.location.pathname.substr(suburl.length).replace(/^\/+$/g, '');
+    let contextPathArray = contextPath.split('/');
+    xhr.open("post", suburl + "/" + contextPathArray[0] + "/" + contextPathArray[1] + "/attachments", true);
     xhr.setRequestHeader("X-Csrf-Token", csrf);
     const formData = new FormData();
     formData.append('file', file, file.name);