OneDrive for Business:"invalid_request","error_description":"AADSTS90014:请求正文必须包含以下参数:'grant_type

Question

我试图将OneDrive for Busines集成到Web表单应用程序中.为此,我使用此URL提供的文档https://dev.onedrive.com/auth/aad_oauth.htm 在Web表单应用程序中我有两个页面第一个是登录页面,其中有一个用于登录的按钮在按钮登录中单击我我正在使用以下代码向OneDrive for Business API发出GET请求

HttpClient client = new HttpClient();
            Redirecturi = Uri.EscapeDataString(Redirecturi);
            string url = string.Format("https://login.windows.net/common/oauth2/authorize?response_type=code&client_id={0}&redirect_uri={1}", ClienId, Redirecturi);
            var response = client.GetAsync(url);
            var json = response.Result.Content.ReadAsStringAsync();
            Label2.Text = json.Result;

当我点击登录按钮时,它将我带到micorosoft登录服务并将我发送回带有访问代码的callback.aspx页面(在azure上配置重定向URi)

我获得了访问代码在第二页上,我正在兑换访问代码并发出POST请求以获取身份验证令牌这是第二页的代码.

private string BaseUri="https://login.windows.net/common/oauth2/token";
    public string Redirecturi = "http://localhost:51642/CallBack.aspx";
    public string ResourcesId = "https://api.office.com/discovery/";
    private string ClienId = "180c6ac4-5829-468e-.....-822405804862"; ///truncated//azure 
    private string ClientSecert = "G4TAQzD8d7C4...OE6m366afv8XKbTCcyXr4=";//truncated
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!string.IsNullOrEmpty(Request.QueryString[OAuthConstants.AccessToken]))
        {
            // There is a token available already. It should be the token flow. Ignore it.
            return;
        }
        if (!string.IsNullOrEmpty(Request.QueryString[OAuthConstants.Code]))
        {
            string _accessCode = Request.QueryString[OAuthConstants.Code];
            HttpClient client = new HttpClient();
           // BaseUri = Uri.EscapeDataString(BaseUri);
            Redirecturi = Uri.EscapeDataString(Redirecturi);
            ResourcesId = Uri.EscapeDataString(ResourcesId);
            string url = string.Format("{0}?client_id={1}&redirect_uri={2}&grant_type=authorization_code&client_secret={3}&code={4}&grant_type=authorization_code&resource={5}", BaseUri, ClienId, Redirecturi, ClientSecert, _accessCode, ResourcesId);
            var response = client.PostAsync(url, null);
            var json = response.Result.Content.ReadAsStringAsync();
            Response.Write(json);
        }
    }

但是,而不是响应我得到跟随错误.其中说包括url中的grant_type.我已经添加了(你可以签入代码).不包括这个我也得到同样的错误.

这是错误

{"error":"invalid_request","error_description":"AADSTS90014: The request body must contain the following parameter: 'grant_type'.\r\nTrace ID: 2adb3a7f-ceb1-4978-97c4-3dc2d3cc3ad4\r\nCorrelation ID: 29fb11a0-c602-4891-9299-b0b538d75b5f\r\nTimestamp: 2015-07-15 09:58:42Z","error_codes":[90014],"timestamp":"2015-07-15 09:58:42Z","trace_id":"2adb3a7f-ceb1-4978-97c4-3dc2d3cc3ad4","correlation_id":"29fb11a0-c602-4891-9299-b0b538d75b5f","submit_url":null,"context":null}

请帮忙知道哪里,哪些错误.任何形式的帮助都会很明显非常感谢

Answer 1

您将参数添加到请求查询字符串.您必须在请求正文中发布数据.

var content = new StringContent(
                "grant_type=authorization_code" +
                "&client_id=" + ClienId +
                "&redirect_uri=" + Redirecturi +
                "&client_secret=" + ClientSecert +
                "&code=" + _accessCode +
                "&resource=" + ResourcesId,
                Encoding.UTF8, 
                "application/x-www-form-urlencoded");

var response = httpClient.PostAsync(BaseUri, content);

var result = response.Result.Content.ReadAsStringAsync();