Merge pull request #35259 from nextcloud/bugfix/32354/fix-upload-actually-cancel-xhr

Also cancel XHR when cancelling uploads

Author: szaimen

apps/files/js/file-upload.js

@@ -75,6 +75,11 @@ OC.FileUpload.prototype = {
 	 */
 	id: null,
 
+	/**
+	 * Upload data structure
+	 */
+	data: null,
+
 	/**
 	 * Upload element
 	 *
@@ -337,6 +342,10 @@ OC.FileUpload.prototype = {
 			return
 		}
 		this.aborted = true;
+		if (this.data) {
+			// abort running XHR
+			this.data.abort();
+		}
 		this._delete();
 	},