如何在Flutter移动应用程序的API调用中传递基本身份验证凭据？ [英] How to pass basic auth credentials in API call for a Flutter mobile application?

问题描述

我正在制作一个简单的Flutter移动应用程序，需要调用使用Basic Auth的API。

I'm working on a simple Flutter mobile app that needs to call out to an API that uses Basic Auth.

我可以使用电子邮件点击Postman中的API &安培;密码凭证，它编码电子邮件&在执行请求之前，Base64中的密码（我假设用：分隔）。

I can hit the API in Postman using email & password credentials and it encodes the email & password in Base64 (I assume with a ":" separating) before performing the request.

我不知道如何在Flutter / Dart中执行此操作...

I'm not sure how to do this in Flutter / Dart...

我已经修改了http包并尝试进行Base64编码......但我只是从服务器上找回错误。

I've tinkered with the http package and tried to do the Base64 encoding... but I just get back errors from the server.

任何人都可以为基本身份验证请求提供一些指导或示例吗？

Can anyone provide some guidance or an example for a basic auth request?

推荐答案

假设你的服务器期望用户名：密码组合将其编码为UTF-8（参见 RFC 7617 了解更多详情）然后使用：

Assuming that your server expects that the username:password combo will be encode it UTF-8 (see RFC 7617 for more details) then use this:

import 'dart:convert';

import 'package:http/http.dart';

main() async {
  String username = 'test';
  String password = '123£';
  String basicAuth =
      'Basic ' + base64Encode(utf8.encode('$username:$password'));
  print(basicAuth);

  Response r = await get('https://api.somewhere.io',
      headers: {'authorization': basicAuth});
  print(r.statusCode);
  print(r.body);
}

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