Dropbox下载文件API停止工作并出现400错误 [英] Dropbox download file API stopped working with 400 error

问题描述

我使用dropbox下载文件API，但获得了令牌，但返回400错误的请求错误
调用API函数文件/下载时出错：必须提供HTTP标头授权或URL参数授权

I use dropbox download file API , and i got a token , but it's return 400 bad request error "Error in call to API function "files/download": Must provide HTTP header "Authorization" or URL parameter "authorization"

我遵循dropbox api doc，但无法正常工作〜〜
我该如何解决？

I follow dropbox api doc , but it cannot work ~""~ How do I fix it ?

这是我的代码（angular2）

this is my code ( angular2 )

downloadFile(fileid){
let headers = new Headers();

headers.append('Authorization', 'Bearer ' + this.accessToken);
headers.append('Dropbox-API-Arg','path:'+ fileid);

return this.http.post('https://content.dropboxapi.com/2/files/download',new RequestOptions({ headers: headers ,responseType:ResponseContentType.ArrayBuffer})).map((res) => {

  let arrayBuffer = res.arrayBuffer();
  let contentType = res.headers.get('content-type');
  return {
    fileid: fileid,
    blob: new Blob([arrayBuffer], { type: contentType })
  };
});

推荐答案

我在android中使用了dropbox v2 api。和您一样，我收到了400个错误的请求。事实证明，Android HttpUrlConnection设置了默认的 Content-Type标头值。 Dropbox下载API要求 Content-Type丢失或为空。我在iOS中没有相同的问题。

I use dropbox v2 api in android. Just as you, I got 400 bad request. It turns out that Android HttpUrlConnection set a default "Content-Type" header value. And dropbox download api require "Content-Type" to be missing or empty. I don't have same issue in iOS though.

所以也许在angular2中，您需要执行以下操作：

So maybe in angular2, you need to do something like:

headers.append('Content-Type','');

Dropbox-API-Arg标头也必须像这样：

Also the 'Dropbox-API-Arg' header need to be like:

headers.append('Dropbox-API-Arg','{\"path\": \"/filepath\"}');

这篇关于Dropbox下载文件API停止工作并出现400错误的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！