/// <summary>
/// Retrieves access token from LWA
/// </summary>
/// <param name="lwaAccessTokenRequestMeta">LWA AccessTokenRequest metadata</param>
/// <returns>LWA Access Token</returns>
public virtual string GetAccessToken()
{
LWAAccessTokenRequestMeta lwaAccessTokenRequestMeta = LWAAccessTokenRequestMetaBuilder.Build(LWAAuthorizationCredentials);
var accessTokenRequest = new RestRequest(LWAAuthorizationCredentials.Endpoint.AbsolutePath, Method.POST);
string jsonRequestBody = JsonConvert.SerializeObject(lwaAccessTokenRequestMeta);
accessTokenRequest.AddParameter(JsonMediaType, jsonRequestBody, ParameterType.RequestBody);
string accessToken;
try
{
var response = RestClient.Execute(accessTokenRequest);
if (!IsSuccessful(response))
{
throw new IOException("Unsuccessful LWA token exchange", response.ErrorException);
}
JObject responseJson = JObject.Parse(response.Content);
accessToken = responseJson.GetValue(AccessTokenKey).ToString();
}
catch (Exception e)
{
throw new SystemException("Error getting LWA Access Token", e);
}
return(accessToken);
}
public override bool Equals(object obj)
{
LWAAccessTokenRequestMeta other = obj as LWAAccessTokenRequestMeta;
return(other != null &&
this.GrantType == other.GrantType &&
this.RefreshToken == other.RefreshToken &&
this.ClientId == other.ClientId &&
this.ClientSecret == other.ClientSecret &&
this.Scope == other.Scope);
}
/// <summary>
/// Builds an instance of LWAAccessTokenRequestMeta modeling appropriate LWA token
/// request params based on configured LWAAuthorizationCredentials
/// </summary>
/// <param name="lwaAuthorizationCredentials">LWA Authorization Credentials</param>
/// <returns></returns>
public virtual LWAAccessTokenRequestMeta Build(LWAAuthorizationCredentials lwaAuthorizationCredentials)
{
LWAAccessTokenRequestMeta lwaAccessTokenRequestMeta = new LWAAccessTokenRequestMeta()
{
ClientId = lwaAuthorizationCredentials.ClientId,
ClientSecret = lwaAuthorizationCredentials.ClientSecret,
RefreshToken = lwaAuthorizationCredentials.RefreshToken
};
if (lwaAuthorizationCredentials.Scopes == null || lwaAuthorizationCredentials.Scopes.Count == 0)
{
lwaAccessTokenRequestMeta.GrantType = SellerAPIGrantType;
}
else
{
lwaAccessTokenRequestMeta.Scope = string.Join(Delimiter, lwaAuthorizationCredentials.Scopes);
lwaAccessTokenRequestMeta.GrantType = SellerlessAPIGrantType;
}
return(lwaAccessTokenRequestMeta);
}
