fix: fix user input header MD5 value being overwritten problem (#1100)

* fix: 修复header MD5值被覆盖问题

* fix: fix user input header MD5 value being overwritten problem

Co-authored-by: Undefined <peizerao@gmail.com>

Author: taotao7

lib/common/utils/createRequest.js

@@ -24,7 +24,7 @@ function createRequest(params) {
         date = +new Date() + this.options.amendTimeSkewed;
     }
     const headers = {
-        'x-oss-date': dateFormat(date, 'UTC:ddd, dd mmm yyyy HH:MM:ss \'GMT\''),
+        'x-oss-date': dateFormat(date, "UTC:ddd, dd mmm yyyy HH:MM:ss 'GMT'")
     };
     if (typeof window !== 'undefined') {
         headers['x-oss-user-agent'] = this.userAgent;
@@ -52,10 +52,12 @@ function createRequest(params) {
     }
     if (params.content) {
         if (!params.disabledMD5) {
-            headers['Content-MD5'] = crypto
-                .createHash('md5')
-                .update(Buffer.from(params.content, 'utf8'))
-                .digest('base64');
+            if (!params.headers || !params.headers['Content-MD5']) {
+                headers['Content-MD5'] = crypto.createHash('md5').update(Buffer.from(params.content, 'utf8')).digest('base64');
+            }
+            else {
+                headers['Content-MD5'] = params.headers['Content-MD5'];
+            }
         }
         if (!headers['Content-Length']) {
             headers['Content-Length'] = params.content.length;

lib/common/utils/createRequest.ts

@@ -10,13 +10,13 @@ const { setRegion } = require('./setRegion');
 const { getReqUrl } = require('../client/getReqUrl');
 
 interface Headers {
-  [propName: string]: any
-  'x-oss-date': string,
-  'x-oss-user-agent'?: string,
+  [propName: string]: any;
+  'x-oss-date': string;
+  'x-oss-user-agent'?: string;
 }
 
 interface ReqParams {
-  [propName: string]: any
+  [propName: string]: any;
 }
 
 function getHeader(headers: Headers, name: string) {
@@ -34,7 +34,7 @@ export function createRequest(this: any, params) {
     date = +new Date() + this.options.amendTimeSkewed;
   }
   const headers: Headers = {
-    'x-oss-date': dateFormat(date, 'UTC:ddd, dd mmm yyyy HH:MM:ss \'GMT\''),
+    'x-oss-date': dateFormat(date, "UTC:ddd, dd mmm yyyy HH:MM:ss 'GMT'")
   };
 
   if (typeof window !== 'undefined') {
@@ -69,10 +69,11 @@ export function createRequest(this: any, params) {
 
   if (params.content) {
     if (!params.disabledMD5) {
-      headers['Content-MD5'] = crypto
-        .createHash('md5')
-        .update(Buffer.from(params.content, 'utf8'))
-        .digest('base64');
+      if (!params.headers || !params.headers['Content-MD5']) {
+        headers['Content-MD5'] = crypto.createHash('md5').update(Buffer.from(params.content, 'utf8')).digest('base64');
+      } else {
+        headers['Content-MD5'] = params.headers['Content-MD5'];
+      }
     }
     if (!headers['Content-Length']) {
       headers['Content-Length'] = params.content.length;
@@ -87,7 +88,13 @@ export function createRequest(this: any, params) {
   }
 
   const authResource = this._getResource(params);
-  headers.authorization = this.authorization(params.method, authResource, params.subres, headers, this.options.headerEncoding);
+  headers.authorization = this.authorization(
+    params.method,
+    authResource,
+    params.subres,
+    headers,
+    this.options.headerEncoding
+  );
 
   // const url = this._getReqUrl(params);
   if (isIP(this.options.endpoint.hostname)) {