我正在尝试完成 OAuth 1.0 身份验证过程的第一步并检索未经授权的请求令牌。
我不断收到来自 WordPress 的 401 OAuth 签名不匹配错误。我知道问题出在我散列签名的方式上,因为当我使用 Postman 时,我计算的签名与 Postman 计算的签名不同。我也可以通过 Postman 成功检索和未经授权的请求令牌。
我在计算哈希时哪里出错了?我正在使用 HMAC-SHA1。
private void AuthorizeWP()
{
string requestURL = @"http://mywordpressurl.com/oauth1/request";
UriBuilder tokenRequestBuilder = new UriBuilder(requestURL);
var query = HttpUtility.ParseQueryString(tokenRequestBuilder.Query);
query["oauth_consumer_key"] = "myWordPressKey";
query["oauth_nonce"] = Guid.NewGuid().ToString("N");
query["oauth_signature_method"] = "HMAC-SHA1";
query["oauth_timestamp"] = (Math.Truncate((DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds)).ToString();
string signature = string.Format("{0}&{1}&{2}", "GET", Uri.EscapeDataString(requestURL), Uri.EscapeDataString(query.ToString()));
string oauth_Signature = "";
using (HMACSHA1 hmac = new HMACSHA1(Encoding.ASCII.GetBytes("myWordPressSecret")))
{
byte[] hashPayLoad = hmac.ComputeHash(Encoding.ASCII.GetBytes(signature));
oauth_Signature = Convert.ToBase64String(hashPayLoad);
}
query["oauth_signature"] = oauth_Signature;
tokenRequestBuilder.Query = query.ToString();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(tokenRequestBuilder.ToString());
request.Method = "GET";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
}