private void ObterToken(Entity tokenConfigRecord)
{
var client = new HttpClient();
//get all attibutes required to get token
string tokenEndPoint = (string)tokenConfigRecord[token_endpoint_attribute];
string clientId = (string)tokenConfigRecord[clientid_attribute];
string clientSecret = (string)tokenConfigRecord[client_secret_attribute];
string resource = (string)tokenConfigRecord[resource_attribute];
client.BaseAddress = new Uri(tokenEndPoint);
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/x-www-form-urlencoded"));
var content = new FormUrlEncodedContent(new[]
{
new KeyValuePair <string, string>("resource", resource),
new KeyValuePair <string, string>("client_id", clientId),
new KeyValuePair <string, string>("client_secret", clientSecret),
new KeyValuePair <string, string>("client_info", "1"),
new KeyValuePair <string, string>("grant_type", "client_credentials")
});
var result = client.PostAsync("", content).GetAwaiter().GetResult();
string resultContent = result.Content.ReadAsStringAsync().GetAwaiter().GetResult();
if (!string.IsNullOrEmpty(resultContent) && resultContent.Contains("access_token"))
{
var tokenParse = new TokenParse(resultContent);
Token.Set(ExecutionContext, tokenParse.access_token);
var dataExpiracao = DateTime.Now.AddSeconds(tokenParse.expires_in);
ExpiresIn.Set(ExecutionContext, dataExpiracao);
Sucess.Set(ExecutionContext, true);
Message.Set(ExecutionContext, "Sucess");
//grava token na entidade para cache
var tokenUpdt = new Entity()
{
LogicalName = tokenConfigRecord.LogicalName, Id = tokenConfigRecord.Id
};
tokenUpdt[data_expiracao] = dataExpiracao;
tokenUpdt[valor_token] = tokenParse.access_token;
Service.Update(tokenUpdt);
}
else
{
if (!string.IsNullOrEmpty(resultContent) && resultContent.Contains("error_description"))
{
var tokenParse = new TokenParse(resultContent);
Message.Set(ExecutionContext, tokenParse.error_description);
}
else
{
Message.Set(ExecutionContext, "Requisição não retornou um token válido.");
}
}
}
protected override void OnExecute()
{
Trace("Start....");
try
{
//get de record used to configure token creation
EntityReference configRefence = TokenConfig.Get(ExecutionContext);
if (configRefence == null)
{
Sucess.Set(ExecutionContext, true);
Message.Set(ExecutionContext, "Nenhuma referencia de configuração foi definida na Action.");
return;
}
var tokenConfigRecord = Service.Retrieve(configRefence.LogicalName, configRefence.Id, new ColumnSet(atributos));
ValidarCamposObrigatorios(tokenConfigRecord);
var dataExpiracao = tokenConfigRecord.Contains(data_expiracao) ? tokenConfigRecord.GetAttributeValue <DateTime>(data_expiracao) : DateTime.MinValue;
//Obtem novo token se atual expirado
if (dataExpiracao < DateTime.Now)
{
ObterToken(tokenConfigRecord);
}
else
{
Token.Set(ExecutionContext, tokenConfigRecord.GetAttributeValue <string>(valor_token));
ExpiresIn.Set(ExecutionContext, tokenConfigRecord.GetAttributeValue <DateTime>(data_expiracao));
Sucess.Set(ExecutionContext, true);
Message.Set(ExecutionContext, "Sucess");
}
}
catch (Exception ex)
{
Message.Set(ExecutionContext, ex.Message);
}
}