public Uri BuildAuthorizationUrl(
IToken token,
NameValueCollection additionalParameters)
{
if (token.Type == TokenType.Request)
{
OAuthParameters authParameters = new OAuthParameters()
{
Token = token.Token
};
if (additionalParameters != null)
authParameters.AdditionalParameters.Add(additionalParameters);
// Construct final authorization Uri (HTTP method must be GET)
string query = authParameters.ToQueryStringFormat();
UriBuilder authUri = new UriBuilder(this.AuthorizationUrl);
if (String.IsNullOrEmpty(authUri.Query))
authUri.Query = query;
else
authUri.Query = authUri.Query.Substring(1) + "&" + query;
return authUri.Uri;
}
else
throw new ArgumentException("Invalid token type for Authorization");
}
public Uri BuildEchoCallUri(params KeyValuePair<string, string>[] pairs)
{
int timestamp = UnixTime.ToUnixTime(DateTime.Now);
OAuthParameters parameters = new OAuthParameters();
parameters.ConsumerKey = ConsumerStore.FixedConsumer.Key;
parameters.Nonce = new GuidNonceProvider().GenerateNonce(timestamp);
parameters.SignatureMethod = "HMAC-SHA1";
parameters.Timestamp = timestamp.ToString(CultureInfo.InvariantCulture);
parameters.Version = "1.0";
parameters.Token = TokenGenerator.FixedAccessToken.Token;
foreach (KeyValuePair<string, string> pair in pairs)
parameters.AdditionalParameters.Add(pair.Key, pair.Value);
parameters.Signature = ServiceProviderContext.GetSigningProvider("HMAC-SHA1").ComputeSignature(
SignatureBase.Create("GET", this.EchoApiBaseUri, parameters),
ConsumerStore.FixedConsumer.Secret,
TokenGenerator.FixedAccessToken.Secret);
UriBuilder builder = new UriBuilder(this.EchoApiBaseUri)
{
Query = parameters.ToQueryStringFormat()
};
return builder.Uri;
}
public Uri BuildRequestTokenUri()
{
int timestamp = UnixTime.ToUnixTime(DateTime.Now);
OAuthParameters parameters = new OAuthParameters();
parameters.ConsumerKey = ConsumerStore.FixedConsumer.Key;
parameters.Nonce = new GuidNonceProvider().GenerateNonce(timestamp);
parameters.SignatureMethod = "HMAC-SHA1";
parameters.Timestamp = timestamp.ToString(CultureInfo.InvariantCulture);
parameters.Version = "1.0";
parameters.Callback = "http://yourownsite.com/";
parameters.Signature = ServiceProviderContext.GetSigningProvider("HMAC-SHA1").ComputeSignature(
SignatureBase.Create("GET", this.RequestTokenBaseUri, parameters),
ConsumerStore.FixedConsumer.Secret,
null);
UriBuilder builder = new UriBuilder(this.RequestTokenBaseUri)
{
Query = parameters.ToQueryStringFormat()
};
return builder.Uri;
}
/// <summary>
/// 作者：Vincen
/// 时间：2013.11.18 AM
/// 描述：获取MC访问密钥（Token）
/// </summary>
/// <param name="type">用户类型（1：教师 2：学员 3：管理员）</param>
/// <param name="userId">用户编号</param>
/// <param name="userName">用户名称（一般为英文名）</param>
/// <returns></returns>
public static string GetMcToken(string type, string userId, string userName)
{
IConsumer fixedConsumer = new OAuthConsumer(WebCommon.Global.McKey, WebCommon.Global.McSecret, "METEN", ConsumerStatus.Valid);
var timestamp = UnixTime.ToUnixTime(DateTime.Now);
var uri = new Uri(WebCommon.Global.McAuthenticateUrl);
var parameters = new OAuthParameters()
{
ConsumerKey = fixedConsumer.Key,
Nonce = new GuidNonceProvider().GenerateNonce(timestamp),
SignatureMethod = "HMAC-SHA1",
Timestamp = timestamp.ToString(CultureInfo.InvariantCulture),
Version = "1.0"
};
//--自定义参数
parameters.AdditionalParameters.Add("user", userId);
parameters.AdditionalParameters.Add("username", userName);
switch (type)
{
case "1"://教师
parameters.AdditionalParameters.Add("teacher", "true");
break;
case "2"://学员
break;
case "3"://管理员
parameters.AdditionalParameters.Add("admin", "true");
break;
}
//--自定义参数
//parameters.Signature = ServiceProviderContext.GetSigningProvider("HMAC-SHA1").ComputeSignature(SignatureBase.Create("GET", uri, parameters), fixedConsumer.Secret, null);
var builder = new UriBuilder(uri)
{
Query = parameters.ToQueryStringFormat()
};
var token = string.Empty;
var webRequest = WebRequest.Create(builder.Uri) as HttpWebRequest;
if (null != webRequest)
{
webRequest.ServicePoint.Expect100Continue = false;
using (var stream = webRequest.GetResponse().GetResponseStream())
{
if (null != stream)
{
using (var responseReader = new StreamReader(stream))
{
var responseData = responseReader.ReadToEnd();
XDocument xdoc = XDocument.Parse(responseData);
var query = from n in xdoc.Descendants("token") select n;
token = query.First().Value;
}
}
}
}
return token;
}
