// [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
/// <summary>
/// Gets the access token from the remote server.
/// </summary>
protected override void GetAccessToken()
{
// authorization code is required for request
if (this.GrantType.IsAuthorizationCode && String.IsNullOrEmpty(this.AuthorizationCode))
{
throw new ArgumentNullException("AuthorizationCode");
}
else if (this.GrantType.IsPassword || this.GrantType.IsClientCredentials)
{
if (String.IsNullOrEmpty(this.Username))
{
throw new ArgumentNullException("username");
}
if (String.IsNullOrEmpty(this.Password))
{
throw new ArgumentNullException("password");
}
}
// set default access token value
this.AccessToken = Nemiro.OAuth.AccessToken.Empty;
// set request data
HttpAuthorization auth = null;
NameValueCollection parameters = new NameValueCollection();
if (this.GrantType.IsAuthorizationCode)
{
// http://tools.ietf.org/html/rfc6749#section-4.1.3
parameters.Add("code", this.AuthorizationCode);
}
else if (this.GrantType.IsPassword)
{
// http://tools.ietf.org/html/rfc6749#section-4.3.2
parameters.Add("username", this.Username);
parameters.Add("password", this.Password);
}
else if (this.GrantType.IsClientCredentials)
{
// http://tools.ietf.org/html/rfc6749#section-4.4.2
auth = new HttpAuthorization(AuthorizationType.Basic, OAuthUtility.ToBase64String("{0}:{1}", this.Username, this.Password));
}
else
{
throw new NotSupportedException(String.Format("GrantType '{0}' is not supported. Please write the code ;)", this.GrantType));
}
parameters.Add("client_id", this.ApplicationId);
parameters.Add("client_secret", this.ApplicationSecret);
parameters.Add("grant_type", this.GrantType);
if (!String.IsNullOrEmpty(this.ReturnUrl))
{
parameters.Add("redirect_uri", this.ReturnUrl);
}
var result = OAuthUtility.Post
(
this.AccessTokenUrl,
parameters,
auth
);
if (result.ContainsKey("error"))
{
this.AccessToken = new AccessToken(new ErrorResult(result));
}
else
{
this.AccessToken = new OAuth2AccessToken(result);
}
}