public void RequestTokens(string PIN)
{
string url = "https://api.imgur.com/oauth2/token";
string responseString = string.Empty;
using (WebClient wc = new WebClient())
{
//t.Headers[HttpRequestHeader.Authorization] = "Client-ID " + m_ClientID;
try
{
var values = new System.Collections.Specialized.NameValueCollection
{
{
"client_id", ClientID
},
{
"client_secret", ClientSecret
},
{
"grant_type", "pin"
},
{
"pin", PIN
}
};
byte[] response = wc.UploadValues(url, "POST", values);
responseString = System.Text.Encoding.ASCII.GetString(response);
}
catch (System.Net.WebException ex)
{
if (ex.Response == null)
{
if (networkRequestFailed != null)
{
networkRequestFailed.Invoke();
}
}
else
{
System.IO.Stream stream = ex.Response.GetResponseStream();
int currByte = -1;
StringBuilder strBuilder = new StringBuilder();
while ((currByte = stream.ReadByte()) != -1)
{
strBuilder.Append((char)currByte);
}
responseString = strBuilder.ToString();
}
}
catch (System.Exception ex)
{
Log.Error("Unexpected Exception: " + ex.ToString());
}
}
if (responseString == string.Empty)
{
return;
}
APIResponses.TokenResponse resp = JsonConvert.DeserializeObject <APIResponses.TokenResponse>(responseString, new JsonSerializerSettings {
PreserveReferencesHandling = PreserveReferencesHandling.Objects
});
if (resp != null && resp.AccessToken != null && resp.RefreshToken != null)
{
StoreNewTokens(resp.ExpiresIn, resp.AccessToken, resp.RefreshToken);
Log.Info("Received tokens from PIN");
StartTokenThread();
if (obtainedAuthorization != null)
{
obtainedAuthorization.Invoke();
}
}
else
{
Log.Error("Something went wrong while trying to obtain access and refresh tokens");
}
}
private bool RefreshTokens()
{
if (!HasBeenAuthorized())
{
return(false);
}
string url = "https://api.imgur.com/oauth2/token";
string responseString = string.Empty;
using (WebClient wc = new WebClient())
{
try
{
var values = new System.Collections.Specialized.NameValueCollection
{
{
"client_id", ClientID
},
{
"client_secret", ClientSecret
},
{
"grant_type", "refresh_token"
},
{
"refresh_token", CurrentRefreshToken
}
};
byte[] response = wc.UploadValues(url, "POST", values);
responseString = System.Text.Encoding.ASCII.GetString(response);
}
catch (System.Net.WebException ex)
{
if (ex.Response == null)
{
if (networkRequestFailed != null)
{
networkRequestFailed.Invoke();
}
}
else
{
System.IO.Stream stream = ex.Response.GetResponseStream();
int currByte = -1;
StringBuilder strBuilder = new StringBuilder();
while ((currByte = stream.ReadByte()) != -1)
{
strBuilder.Append((char)currByte);
}
responseString = strBuilder.ToString();
}
}
catch (System.Exception ex)
{
Log.Error("Unexpected Exception: " + ex.ToString());
}
}
if (responseString == string.Empty)
{
return(false);
}
APIResponses.TokenResponse resp = null;
try
{
resp = Newtonsoft.Json.JsonConvert.DeserializeObject <APIResponses.TokenResponse>(responseString, new Newtonsoft.Json.JsonSerializerSettings {
PreserveReferencesHandling = Newtonsoft.Json.PreserveReferencesHandling.Objects
});
}
catch (Newtonsoft.Json.JsonReaderException ex)
{
Log.Error("Newtonsoft.Json.JsonReaderException occurred while trying to deserialize the following string:\n" + responseString + " (Line: " + ex.LineNumber + ", Position: " + ex.LinePosition + ", Message: " + ex.Message + ")");
resp = null;
}
catch (System.Exception ex)
{
Log.Error("Unexpected Exception: " + ex.ToString());
}
if (resp != null && resp.AccessToken != null && resp.RefreshToken != null)
{
StoreNewTokens(resp.ExpiresIn, resp.AccessToken, resp.RefreshToken);
Log.Info("Refreshed tokens");
if (refreshedAuthorization != null)
{
refreshedAuthorization.Invoke();
}
return(true);
}
Log.Error("Something went wrong while trying to refresh access- and refresh-tokens");
CurrentAccessToken = null;
CurrentRefreshToken = null;
Properties.Settings.Default.accessToken = null;
Properties.Settings.Default.refreshToken = null;
Properties.Settings.Default.Save();
if (lostAuthorization != null)
{
lostAuthorization.Invoke();
}
return(false);
}
