从服务器上的Google Drive下载文件 [英] Download file from google drive on server

问题描述

我使用JavaScript选择器从我的Google驱动器中获取文件，它工作正常，然后从驱动器中下载url和acces_token 我想从我的服务器上从该文件下载字节数组，然后将URL和acces_token指向它(使用ajax)，没问题

I use an javascript picker to get file from my google drive, it's work well and i get then download url and acces_token from my drive I would like to download bytes array from this file from my server, then i path the url and acces_token to it (with ajax), no problem

在服务器上，我将使用此代码获取数据(工作正常！！！)

on server i would get data with this code (it's worked !!!)

public void DownloadFile(string url, string AccessToken)
    {
        try
        {
            byte[] BB;
            using (WebClient wc = new WebClient())
            {
                wc.Headers.Add("Authorization", "Bearer " + AccessToken);
                BB = wc.DownloadData(url);
            }
        }
        catch (Exception ex)
        {
            throw ex;
        }
    }

现在我收到403错误??

now i get an 403 error ??

url类似于" https://content. googleapis.com/drive/v2/files.....?key=mykey ....."

url are like "https://content.googleapis.com/drive/v2/files.....?key=mykey....."

Google服务器上发生了什么变化?

what's changed on google server ?

谢谢

推荐答案

如果要使用Drive API下载文件并在标头中设置访问令牌，则必须通过调用以下网址来做到这一点:

If you want to download a file using the Drive API and setting the access token in the header, you have to do it by calling this url:

https://www. googleapis.com/drive/v2/files/[file-Id]?alt=media

如响应部分所述在文件:获取端点中.为了使其正常工作，url参数alt=media确实很重要.不要使用API​​密钥.

As it's told in the Response section in the Files: get endpoint. It's really important the url parameter alt=media in order to make it work. Don't use an API Key.

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