public void ProcessRequest(HttpContext context)
{
string json = "";
context.Response.ContentType = "text/json";
var tokenObject = RequestContext.RouteData.Values["token"];
var hasContent = tokenObject == null ? false : true;
if (hasContent)
{
var token = tokenObject.ToString();
var dbAction = new DbActions();
var tokenGrant = dbAction.AreGrantedPermissions(token);
if(tokenGrant.GrantedAccess)
{
var user = dbAction.UserData(tokenGrant.UserId);
var responseData = new {
Id = user.Id,
Email = user.Email
};
json = JsonConvert.SerializeObject(responseData);
}
}
context.Response.Write(json);
}
//TODO: Encrypt connection through HTTPS
protected async void Page_Load(object sender, EventArgs e)
{
if(!IsPostBack)
{
//storage encrypted values
var id = Request.QueryString["id"];
string clientid = "", redirectUri = "", state = "";
//var cipher = new StringCipher();
//if is not encrypted the value is empty
if (string.IsNullOrEmpty(id))
{
clientid = Request.QueryString["client_id"];
redirectUri = Uri.UnescapeDataString(Request.QueryString["redirect_uri"]).Trim();
state = Request.QueryString["state"];
if (clientid != null && redirectUri != null && state != null)
{
//Encrypt URL
string[] urlSplit = Request.Url.ToString().Split('?');
string encryptedstring = StringCipher.Encrypt(urlSplit[1], keyEncryptQueryString);
var encriptedUrlSafe = HttpUtility.UrlEncode(encryptedstring);
string urlEncrypted = urlSplit[0] + "?id=" + encriptedUrlSafe;
HttpContext.Current.Response.Redirect(urlEncrypted, false);
}
else
{
LogForm.Visible = false;
FailureText.Text = "Are you lost?... please go back to the home page";
ErrorMessage.Visible = true;
}
}
else
{
hdn_Id.Value = id;
//Decrypt values
var _id = StringCipher.Decrypt(id.ToString(), keyEncryptQueryString);
var arrValues = DecryptValues(_id);
clientid = arrValues[0];
redirectUri = arrValues[1];
state = arrValues[2];
var dbAction = new DbActions();
var externalAppName = await dbAction.GetExternalAppName(clientid);
if (externalAppName != null)
{
AppName = externalAppName;
}
if (User.Identity.IsAuthenticated)
{
var userid = User.Identity.GetUserId();
var tokenGranted = await dbAction.AreGrantedPermissionsAsync(userid);
if (tokenGranted != null)
{
if (tokenGranted.GrantedAccess)
{
redirectUri = WebUtilities.AddQueryString(redirectUri, "token", tokenGranted.Token);
redirectUri = WebUtilities.AddQueryString(redirectUri, "state", state);
Response.Redirect(redirectUri);
}
}
LogForm.Visible = false;
AuthPrompt.Visible = true;
ErrorMessage.Visible = true;
}
}
}
}
public static string AllowAccess(string id)
{
string json = String.Empty;
if (!string.IsNullOrEmpty(id))
{
var page = new authenticate();
var userid = page.User.Identity.GetUserId();
//Decrypt values
var _id = StringCipher.Decrypt(id.ToString(), keyEncryptQueryString);
var arrValues = page.DecryptValues(_id);
string clientid = arrValues[0];
string redirectUri = arrValues[1];
string state = arrValues[2];
var time = DateTime.UtcNow;
byte[] timeByteArray = BitConverter.GetBytes(time.ToBinary());
var key = Guid.NewGuid();
byte[] keyByteArray = key.ToByteArray();
string token = Convert.ToBase64String(timeByteArray.Concat(keyByteArray).ToArray());
token = token.Replace("+", "").Replace("/", "");
var usersAppsAccessGranted = new UsersAppsAccessGranted
{
Userid = userid,
ExternalAuthClientsID = clientid,
AccessGranted = true,
Key = key.ToString(),
Token = token,
CreatedOn = time
};
var dbAction = new DbActions();
dbAction.AddUserAppsAccessGranted(usersAppsAccessGranted);
var returnData = new
{
Token = token,
RedirectUri = redirectUri,
State = state
};
json = JsonConvert.SerializeObject(returnData);
}
return json;
}
