/**
* Request http api
* @param method string Method of requesting http
* @param path string Path of requesting http
* @param query array Query of requesting http
* @param body array Body of requesting http
* @return mixed
* @throws VctcException
*/
public async Task <string> callAPI(Method method, string path, SortedList <string, string> query, string body)
{
// if (is_array(body)) {
// this.fliterParams(body);
// }
// if (is_array(query)) {
// this.fliterParams(query);
// }
var signatures = this.getSignature(method.ToString(), path, query, body);
var req = BuildRequest(path + "?" + HtmlUtils.BuildQueryString(signatures.fullQueries), method, body);
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(3));
var res = await _client.ExecuteTaskAsync(req, cts.Token);
if (res.Content != "")
{
var ret = JObject.Parse(res.Content);
if (ret.TryGetValue("error", out var err))
{
var ex = new VctcException((string)ret["msg"], (string)ret["code"]);
ex.setRaw(res.Content, (string)ret["code"]);
throw ex;
}
}
return(res.Content);
}
/**
* Calculate the signature of a request.
* @param method string Method of requesting http
* @param path string Path of requesting http
* @param query array Query of requesting http
* @param body array Body of requesting http
* @return mixed
* @throws VctcException
*/
public (SortedList <string, string> fullQueries, string signature, string timestamp) getSignature(string method, string path,
SortedList <string, string> query, string body)
{
if (string.Empty == path)
{
throw new Exception("invalid path");
}
if (method != "GET" && method != "POST" && method != "DELETE" && method != "PUT")
{
throw new Exception("invalid method, only GET, POST, DELETE and PUT is supported");
}
if (query == null)
{
query = new SortedList <string, string>();
}
string textForSigning = method + " " + path + "\n";
query["_appid"] = this.appId;
query["_t"] = (DateTime.Now - new DateTime(1970, 1, 1, 0, 0, 0, 0)).ToString();
string queryStr = HtmlUtils.BuildQueryString(query);
textForSigning += queryStr;
if (body != "")
{
textForSigning += "\n" + body;
}
query["_s"] = HashUtils.HMAC_SHA256(textForSigning, this.appSecret);
return(fullQueries : query, signature : query["_s"], timestamp : query["_t"]);
}
