【发布时间】:2016-01-28 16:59:17
【问题描述】:
我们正在从 Twitter 时间线中提取最新的推文,但我看到一个错误“不支持证书密钥算法”。带有消息“底层连接已关闭:接收时发生意外错误。”。这只发生在舞台和实时服务器上,而不是我的开发机器上。
页面返回标准服务器错误。我们用屏幕名称调用的类如下。我们已经仔细检查了 oAuth 消费者密钥和秘密是否正确。
public static List<Tweet> GetTimeline(string screenName)
{
try
{
// Do the Authenticate
var authHeaderFormat = "Basic {0}";
var authHeader = string.Format(authHeaderFormat,
Convert.ToBase64String(Encoding.UTF8.GetBytes(Uri.EscapeDataString(oAuthConsumerKey) + ":" + Uri.EscapeDataString((oAuthConsumerSecret)))
));
var postBody = "grant_type=client_credentials";
HttpWebRequest authRequest = (HttpWebRequest)WebRequest.Create(oAuthUrl);
authRequest.Headers.Add("Authorization", authHeader);
authRequest.Method = "POST";
authRequest.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
authRequest.AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
using (Stream stream = authRequest.GetRequestStream())
{
byte[] content = ASCIIEncoding.ASCII.GetBytes(postBody);
stream.Write(content, 0, content.Length);
}
authRequest.Headers.Add("Accept-Encoding", "gzip");
WebResponse authResponse = authRequest.GetResponse();
// deserialize into an object
TwitAuthenticateResponse twitAuthResponse;
using (authResponse)
{
using (var reader = new StreamReader(authResponse.GetResponseStream()))
{
JavaScriptSerializer js = new JavaScriptSerializer();
var objectText = reader.ReadToEnd();
twitAuthResponse = JsonConvert.DeserializeObject<TwitAuthenticateResponse>(objectText);
}
}
// Do the timeline
var timelineFormat =
"https://api.twitter.com/1.1/statuses/user_timeline.json?screen_name={0}&include_rts=1&exclude_replies=1&count=20";
var timelineUrl = string.Format(timelineFormat, screenName);
HttpWebRequest timeLineRequest = (HttpWebRequest)WebRequest.Create(timelineUrl);
var timelineHeaderFormat = "{0} {1}";
timeLineRequest.Headers.Add("Authorization", string.Format(timelineHeaderFormat, twitAuthResponse.token_type, twitAuthResponse.access_token));
timeLineRequest.Method = "Get";
WebResponse timeLineResponse = timeLineRequest.GetResponse();
var timeLineJson = string.Empty;
using (authResponse)
{
using (var reader = new StreamReader(timeLineResponse.GetResponseStream()))
{
timeLineJson = reader.ReadToEnd();
}
}
JArray tweets = JArray.Parse(timeLineJson);
return (from t in tweets
select new Tweet
{
date = DateTime.ParseExact((string)t["created_at"], "ddd MMM dd HH:mm:ss +ffff yyyy", new System.Globalization.CultureInfo("en-US")),
link = t["entities"]["urls"].Count() > 0 ? (string)t["entities"]["urls"][0]["url"] : "",
tweet = LinkUpTweet((string)t["text"]),
author = (string)t["user"]["name"],
screenname = (string)t["user"]["screen_name"],
tweetLink = string.Format(@"https://twitter.com/{0}/status/{1}", screenName, (string)t["id_str"])
}).ToList();
}
catch (Exception ex)
{
// Send Email Error
return new List<Tweet>();
}
错误发生在WebResponse authResponse = authRequest.GetResponse();,但我不知道如何解决。
将以下内容添加到 web.config 对结果没有影响
<system.diagnostics>
<switches>
<add name="System.Net" value="0"/>
</switches>
</system.diagnostics>
这里有什么建议吗?
谢谢!
【问题讨论】:
-
简单问题:您是否尝试过在您的 Staging 和 Prod 服务器主机上的网络浏览器中访问您发布的 URL?我问是因为您的问题听起来像是低级证书握手错误,而不是与 oAuth/Basic Auth 握手有关。
-
这篇文章表明 system.diagnotics 部分可能会导致这个问题stackoverflow.com/questions/30576179/…
-
我在服务器上检查过,只是看到一个通用的内部服务器错误。我的 web.config 中也没有 system.diagnostics 部分并将其添加进去,没有区别。我也读过那篇文章,但没有快乐。
标签: c# twitter twitter-oauth httpwebresponse x509certificate2