private OauthAccessToken ExecuteTokenRequest(Dictionary<string, string> p, Authentication authentication, string url, bool revoke = false)
{
OauthAccessToken token = null;
if (authentication == null)
{
authentication = GetDefaultAuthentication();
}
string requestBody = BuildParamString(p, "POST");
string privateKey = authentication.PrivateApiKey;
string publicKey = authentication.PublicApiKey;
string signature = JwsEncode(url, requestBody, authentication);
HttpWebRequest request = CreateWebRequest(url, requestBody, "POST", privateKey, publicKey);
request.ContentType = "application/x-www-form-urlencoded";
request.AllowAutoRedirect = false;
try
{
string result = ExecuteRequest(request, requestBody, signature);
if (!revoke)
{
token = (OauthAccessToken)JsonConvert.DeserializeObject(result, typeof(OauthAccessToken));
}
else
{
OauthRevokeAccessToken t = (OauthRevokeAccessToken)JsonConvert.DeserializeObject(result, typeof(OauthRevokeAccessToken));
token = new OauthAccessToken();
token.AccessToken = t.TokenRevoked;
}
token.PrivateApiKey = privateKey;
token.PublicApiKey = publicKey;
}
catch (InvalidRequestException ex)
{
JObject o = (JObject)ex.ErrorData;
string error = o.GetValue("error").Value<string>();
string errorDescription = o.GetValue("error_description").Value<string>();
throw new OauthException(error, errorDescription);
}
return token;
}
private string JwsEncode(string uri, string payload, Authentication authentication)
{
Dictionary<String, String> jwsHeader = new Dictionary<string, string>();
string privateKey = authentication.PrivateApiKey;
string publicKey = authentication.PublicApiKey;
string oauthToken = null;
if (authentication is OauthAccessToken)
{
oauthToken = ((OauthAccessToken)authentication).AccessToken;
}
jwsHeader["typ"] = "JWS";
jwsHeader["kid"] = publicKey;
jwsHeader["alg"] = "HS256";
jwsHeader[HEADER_TIME] = CurrentTimeMillis().ToString();
jwsHeader[HEADER_URI] = uri;
byte[] b = new byte[8];
rng.GetBytes(b);
jwsHeader[HEADER_NONCE] = Convert.ToBase64String(b);
if (oauthToken != null)
{
jwsHeader[HEADER_OAUTH] = oauthToken;
}
JsonSerializerSettings settings = new JsonSerializerSettings();
settings.NullValueHandling = NullValueHandling.Ignore;
string header = JsonConvert.SerializeObject(jwsHeader, settings);
if (payload == null)
{
payload = "";
}
string signatureBaseString = ToBase64UrlSafe(header) + "." + ToBase64UrlSafe(payload);
string signatureString = JwsSign(privateKey, signatureBaseString);
string signed = signatureBaseString + "." + signatureString;
return signed;
}
public Object Update(Object obj, Authentication authentication = null)
{
Type type = obj.GetType();
Dictionary<string, Object> objectMap = new Dictionary<string, Object>();
objectMap["id"] = (string)obj.GetType().GetProperty("Id").GetValue(obj, null);
objectMap["object"] = obj;
return Execute(type, ApiAction.Update, objectMap, authentication);
}
private Object Execute(Type type, ApiAction action, Dictionary<string, Object> objectMap = null, Authentication authentication = null)
{
if (authentication == null)
{
authentication = GetDefaultAuthentication();
}
string url = null;
string requestBody = null;
string signature = null;
string privateKey = authentication.PrivateApiKey;
string publicKey = authentication.PublicApiKey;
JsonSerializerSettings settings = new JsonSerializerSettings();
settings.NullValueHandling = NullValueHandling.Ignore;
switch (action)
{
case ApiAction.List:
Dictionary<string, string> queryParams = new Dictionary<string, string>();
queryParams["max"] = (string)objectMap["max"];
queryParams["offset"] = (string)objectMap["offset"];
if (objectMap["sorting"] != null)
{
Dictionary<string, string> sorting = (Dictionary<string, string>)objectMap["sorting"];
foreach (var key in sorting.Keys)
{
queryParams["sorting[" + key + "]"] = sorting[key];
}
}
if (objectMap["filter"] != null)
{
Dictionary<string, string> filter = (Dictionary<string, string>)objectMap["filter"];
foreach (var key in filter.Keys)
{
queryParams["filter[" + key + "]"] = filter[key];
}
}
url = GetUrl(type, action, publicKey, null, queryParams);
signature = JwsEncode(url, null, authentication);
break;
case ApiAction.Find:
url = GetUrl(type, action, publicKey, (string)objectMap["id"]);
signature = JwsEncode(url, null, authentication);
break;
case ApiAction.Delete:
url = GetUrl(type, action, publicKey, (string)objectMap["id"]);
signature = JwsEncode(url, null, authentication);
break;
case ApiAction.Create:
url = GetUrl(type, action, publicKey, null);
requestBody = JsonConvert.SerializeObject(objectMap["object"], settings);
requestBody = JwsEncode(url, requestBody, authentication);
break;
case ApiAction.Update:
url = GetUrl(type, action, publicKey, (string)objectMap["id"]);
requestBody = JsonConvert.SerializeObject(objectMap["object"], settings);
requestBody = JwsEncode(url, requestBody, authentication);
break;
}
HttpWebRequest request = CreateWebRequest(url, requestBody, ActionToMethodMap[action], privateKey, publicKey);
string result = ExecuteRequest(request, requestBody, signature);
return ConvertResponse(result, type, action);
}
public OauthAccessToken RequestAccessToken(OauthAccessTokenRequest oauthRequest, Authentication authentication = null)
{
Dictionary<string, string> p = new Dictionary<string, string>();
p["grant_type"] = "authorization_code";
p["code"] = oauthRequest.Code;
p["redirect_uri"] = oauthRequest.RedirectUri;
return ExecuteTokenRequest(p, authentication, OauthBaseUrl + "/token");
}
public Object List(Type type, Dictionary<string, string> sorting = null, Dictionary<string, string> filter = null, int max = DEFAULT_MAX, int offset = 0, Authentication authentication = null)
{
Dictionary<string, Object> objectMap = new Dictionary<string, Object>();
objectMap["max"] = max.ToString();
objectMap["offset"] = offset.ToString();
objectMap["sorting"] = sorting;
objectMap["filter"] = filter;
return Execute(type, ApiAction.List, objectMap, authentication);
}
public Object Find(Type type, String id, Authentication authentication = null)
{
Dictionary<string, Object> objectMap = new Dictionary<string, Object>();
objectMap["id"] = id;
return Execute(type, ApiAction.Find, objectMap, authentication);
}
public Object Find(Object obj, Authentication authentication = null)
{
Type type = obj.GetType();
string id = (string)obj.GetType().GetProperty("Id").GetValue(obj, null);
return Find(type, id, authentication);
}
public Object Create(Object obj, Authentication authentication = null)
{
Dictionary<string, Object> objectMap = new Dictionary<string, Object>();
objectMap["object"] = obj;
return Execute(obj.GetType(), ApiAction.Create, objectMap, authentication);
}
