From 135eacb07dbf7e1ca11af9cebf5390028b182e37 Mon Sep 17 00:00:00 2001
From: Bohdanko <32868658+77bo@users.noreply.github.com>
Date: Sat, 9 Dec 2017 23:39:41 +0200
Subject: [PATCH] #400 exposed only response headers, instead of whole
 XMLHttpRequest object.

---
 src/ngx-uploader/classes/interfaces.ts         |  2 +-
 src/ngx-uploader/classes/ngx-uploader.class.ts | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/ngx-uploader/classes/interfaces.ts b/src/ngx-uploader/classes/interfaces.ts
index dccb48a4..bdf718ac 100644
--- a/src/ngx-uploader/classes/interfaces.ts
+++ b/src/ngx-uploader/classes/interfaces.ts
@@ -42,7 +42,7 @@ export interface UploadFile {
   responseStatus?: number;
   sub?: Subscription | any;
   nativeFile?: File;
-  rawRequest?: XMLHttpRequest;
+  headers?: { [key: string]: string };
 }
 
 export interface UploadOutput {
diff --git a/src/ngx-uploader/classes/ngx-uploader.class.ts b/src/ngx-uploader/classes/ngx-uploader.class.ts
index 096ff438..1a77df1c 100644
--- a/src/ngx-uploader/classes/ngx-uploader.class.ts
+++ b/src/ngx-uploader/classes/ngx-uploader.class.ts
@@ -205,7 +205,7 @@ export class NgUploaderService {
             file.response = xhr.response;
           }
 
-          file.rawRequest = xhr;
+          file.headers = this.parseResponseHeaders(xhr.getAllResponseHeaders());
 
           observer.next({ type: 'done', file: file });
 
@@ -297,4 +297,14 @@ export class NgUploaderService {
       nativeFile: file
     };
   }
+
+  private parseResponseHeaders(httpHeaders: ByteString) {
+      return httpHeaders.split('\n')
+          .map(x => x.split(/: */, 2))
+          .filter(x => x[0])
+          .reduce((ac, x) => {
+              ac[x[0]] = x[1];
+              return ac;
+          }, {});
+  }
 }