internal async Task <string> CreateSessionCookieAsync(
string idToken,
SessionCookieOptions options,
CancellationToken cancellationToken = default(CancellationToken))
{
if (string.IsNullOrEmpty(idToken))
{
throw new ArgumentException("idToken must not be null or empty");
}
var validOptions = options.ThrowIfNull(nameof(options)).CopyAndValidate();
var request = new Dictionary <string, object>()
{
{ "idToken", idToken },
{ "validDuration", (long)validOptions.ExpiresIn.TotalSeconds },
};
var response = await this.PostAndDeserializeAsync <JObject>(
":createSessionCookie", request, cancellationToken).ConfigureAwait(false);
if (response.Result == null || (string)response.Result["sessionCookie"] == null)
{
throw UnexpectedResponseException("Failed to generate session cookie");
}
return((string)response.Result["sessionCookie"]);
}
// [END session_clear_and_revoke]
internal async Task <ActionResult> CheckAuthTime(string idToken)
{
// [START check_auth_time]
// To ensure that cookies are set only on recently signed in users, check auth_time in
// ID token before creating a cookie.
var decodedToken = await FirebaseAuth.DefaultInstance.VerifyIdTokenAsync(idToken);
var authTime = new DateTime(1970, 1, 1).AddSeconds(
(long)decodedToken.Claims["auth_time"]);
// Only process if the user signed in within the last 5 minutes.
if (DateTime.UtcNow - authTime < TimeSpan.FromMinutes(5))
{
var options = new SessionCookieOptions()
{
ExpiresIn = TimeSpan.FromDays(5),
};
var sessionCookie = await FirebaseAuth.DefaultInstance.CreateSessionCookieAsync(
idToken, options);
// Set cookie policy parameters as required.
this.Response.Cookies.Append("session", sessionCookie);
return(this.Ok());
}
// User did not sign in recently. To guard against ID token theft, require
// re-authentication.
return(this.Unauthorized("Recent sign in required"));
// [END check_auth_time]
}
public async Task <ActionResult> Login([FromBody] LoginRequest request)
{
// Set session expiration to 5 days.
var options = new SessionCookieOptions()
{
ExpiresIn = TimeSpan.FromDays(5),
};
try
{
// Create the session cookie. This will also verify the ID token in the process.
// The session cookie will have the same claims as the ID token.
var sessionCookie = await FirebaseAuth.DefaultInstance
.CreateSessionCookieAsync(request.IdToken, options);
// Set cookie policy parameters as required.
var cookieOptions = new CookieOptions()
{
Expires = DateTimeOffset.UtcNow.Add(options.ExpiresIn),
HttpOnly = true,
Secure = true,
};
this.Response.Cookies.Append("session", sessionCookie, cookieOptions);
return(this.Ok());
}
catch (FirebaseAuthException)
{
return(this.Unauthorized("Failed to create a session cookie"));
}
}
public IActionResult LogInPOST()
{
string email = Request.Form["email"];
string password = Request.Form["password"];
string idTokenOrError = FirebaseAuthHelper.SignInWithEmailAndPassword(email, password);
string idToken;
if (idTokenOrError.StartsWith("error: "))
{
JObject errorJObject = JObject.Parse(idTokenOrError.Remove(0, 7));
return(Content(FirebaseAuthHelper.GenerateNiceErrorMessage(errorJObject["message"].ToString())));
}
else
{
idToken = idTokenOrError.Remove(0, 9);
}
TimeSpan expirationTimeSpan;
if (Request.Form["remember-me"] == "on")
{
expirationTimeSpan = TimeSpan.FromDays(14);
}
else
{
expirationTimeSpan = TimeSpan.FromDays(1);
}
SessionCookieOptions options = new SessionCookieOptions()
{
ExpiresIn = expirationTimeSpan
};
try
{
string sessionCookie = FirebaseAuth.DefaultInstance.CreateSessionCookieAsync(idToken, options).Result;
CookieOptions cookieOptions = new CookieOptions()
{
Expires = DateTimeOffset.UtcNow.Add(options.ExpiresIn),
HttpOnly = true,
Secure = EnvironmentHelper.KeepCookiesSecure()
};
Response.Cookies.Append("authSession", sessionCookie, cookieOptions);
return(Content("success"));
}
catch (FirebaseAuthException)
{
return(Content("Error: Failed to create a session cookie."));
}
}
public async Task SessionCookie()
{
var customToken = await FirebaseAuth.DefaultInstance.CreateCustomTokenAsync("testuser");
var idToken = await SignInWithCustomTokenAsync(customToken);
var options = new SessionCookieOptions()
{
ExpiresIn = TimeSpan.FromHours(1),
};
var sessionCookie = await FirebaseAuth.DefaultInstance.CreateSessionCookieAsync(
idToken, options);
var decoded = await FirebaseAuth.DefaultInstance.VerifySessionCookieAsync(sessionCookie);
Assert.Equal("testuser", decoded.Uid);
await Task.Delay(1000);
await FirebaseAuth.DefaultInstance.RevokeRefreshTokensAsync("testuser");
decoded = await FirebaseAuth.DefaultInstance.VerifySessionCookieAsync(sessionCookie);
Assert.Equal("testuser", decoded.Uid);
var exception = await Assert.ThrowsAsync <FirebaseAuthException>(
async() => await FirebaseAuth.DefaultInstance.VerifySessionCookieAsync(
sessionCookie, true));
Assert.Equal(ErrorCode.InvalidArgument, exception.ErrorCode);
Assert.Equal(AuthErrorCode.RevokedSessionCookie, exception.AuthErrorCode);
idToken = await SignInWithCustomTokenAsync(customToken);
sessionCookie = await FirebaseAuth.DefaultInstance.CreateSessionCookieAsync(
idToken, options);
decoded = await FirebaseAuth.DefaultInstance.VerifySessionCookieAsync(sessionCookie, true);
Assert.Equal("testuser", decoded.Uid);
}
public IActionResult RegisterPOST()
{
string email = Request.Form["email"];
string password = Request.Form["password"];
UserRecordArgs userRecordArgs = new UserRecordArgs
{
Email = email,
EmailVerified = false,
Password = password,
Disabled = false
};
UserRecord userRecord;
try
{
userRecord = FirebaseAuth.DefaultInstance.CreateUserAsync(userRecordArgs).Result;
}
catch (Exception e)
{
if (e is ArgumentException)
{
return(Content("Invalid email or password. Your password may be too weak."));
}
if (e is FirebaseAuthException firebaseAuthException)
{
return(Content(FirebaseAuthHelper.GenerateNiceErrorMessage(firebaseAuthException.AuthErrorCode)));
}
if (e is AggregateException aggregateException)
{
foreach (Exception exception in aggregateException.InnerExceptions)
{
if (exception is ArgumentException)
{
return(Content("Invalid email or password. Your password may be too weak."));
}
if (exception is FirebaseAuthException aggregateFirebaseAuthException)
{
return(Content(FirebaseAuthHelper.GenerateNiceErrorMessage(aggregateFirebaseAuthException.AuthErrorCode)));
}
}
}
return(Content("Error: Unknown error occurred."));
}
string idTokenOrError = FirebaseAuthHelper.SignInWithEmailAndPassword(email, password);
string idToken;
if (idTokenOrError.StartsWith("error: "))
{
JObject errorJObject = JObject.Parse(idTokenOrError.Remove(0, 7));
return(Content(FirebaseAuthHelper.GenerateNiceErrorMessage(errorJObject["message"].ToString())));
}
else
{
idToken = idTokenOrError.Remove(0, 9);
}
using (DatabaseContext database = new DatabaseContext())
{
string username = Request.Form["username"];
if (database.Users.Any(u => u.Username == username))
{
FirebaseAuth.DefaultInstance.DeleteUserAsync(userRecord.Uid).Wait();
return(Content("There is another user with that username, and we don't allow duplicate usernames. Sorry!"));
}
User user = new User
{
Username = username,
FirebaseUid = userRecord.Uid
};
database.Users.Add(user);
database.SaveChanges();
}
FirebaseAuthHelper.SendVerificationEmail(idToken);
TimeSpan expirationTimeSpan;
if (Request.Form["remember-me"] == "on")
{
expirationTimeSpan = TimeSpan.FromDays(14);
}
else
{
expirationTimeSpan = TimeSpan.FromDays(1);
}
SessionCookieOptions options = new SessionCookieOptions()
{
ExpiresIn = expirationTimeSpan
};
try
{
string sessionCookie = FirebaseAuth.DefaultInstance.CreateSessionCookieAsync(idToken, options).Result;
CookieOptions cookieOptions = new CookieOptions()
{
Expires = DateTimeOffset.UtcNow.Add(options.ExpiresIn),
HttpOnly = true,
Secure = EnvironmentHelper.KeepCookiesSecure()
};
Response.Cookies.Append("authSession", sessionCookie, cookieOptions);
return(Content("success"));
}
catch (FirebaseAuthException)
{
return(Content("Error: Failed to create a session cookie."));
}
}