private async Task <IActionResult> AuthoriseUser(string authToken, AuthType authType, string firstName, string lastName)
{
if (authType == AuthType.Unknown)
{
return(BadRequest());
}
var metadata = await tokenUtil.GetMetadataForToken(authToken, authType).ConfigureAwait(false);
if (metadata == null || string.IsNullOrWhiteSpace(metadata.AuthIdentifier))
{
return(BadRequest());
}
var user = await users.FetchUserForAuthIdentifier(metadata.AuthIdentifier, authType).ConfigureAwait(false);
if (user.IsFailure)
{
return(StatusCode(500));
}
if (user.Value.HasValue)
{
var userId = user.Value.Value.UserId;
if (string.IsNullOrWhiteSpace(user.Value.Value.ExternalPaymentProcessorId))
{
try
{
var billingId = await billingManager.CreateCustomer(user.Value.Value).ConfigureAwait(false);
await users.UpdateUser(new UserPatch
{
ResourceId = userId,
ExternalPaymentProcessorId = new PatchOperation <string> {
Operation = OperationKind.Update, Value = billingId
}
}).ConfigureAwait(false);
}
catch (Exception)
{
return(StatusCode(500));
}
}
if (!string.IsNullOrWhiteSpace(firstName) || !string.IsNullOrWhiteSpace(lastName))
{
await users.UpdateUser(new UserPatch
{
ResourceId = userId,
FirstName = new PatchOperation <string> {
Operation = OperationKind.Update, Value = firstName ?? "Anonymous"
},
LastName = new PatchOperation <string> {
Operation = OperationKind.Update, Value = lastName
},
}).ConfigureAwait(false);
}
var existingSession = await userSessions.FetchUserSessionAndUserFromToken(authToken, (int)authType)
.Ensure(s => s.HasValue, "Data found")
.OnSuccess(s => s.Value)
.ConfigureAwait(false);
if (existingSession.IsFailure)
{
var session = new UserSession
{
AuthToken = authToken,
UserId = userId,
TokenType = (int)authType,
AuthTokenExpiry = metadata.Expiry
};
var sessionId = await userSessions.CreateUserSession(session).ConfigureAwait(false);
if (sessionId.IsFailure)
{
return(StatusCode(500));
}
}
}
else
{
var newUser = new User {
IsVerified = true, WantAdvertising = false, RegistrationId = tokenUtil.GenerateToken(), FirstName = firstName ?? "Anonymous", LastName = lastName
};
switch (authType)
{
case AuthType.Apple:
newUser.AppleUserIdentifier = metadata.AuthIdentifier;
break;
case AuthType.Google:
newUser.GoogleUserIdentifier = metadata.AuthIdentifier;
break;
case AuthType.Facebook:
newUser.FacebookUserIdentifier = metadata.AuthIdentifier;
break;
case AuthType.Unknown:
break;
}
var result = await users.CreateUser(newUser).ConfigureAwait(false);
if (result.IsFailure)
{
return(StatusCode(500));
}
var userId = result.Value.Value;
try
{
var billingId = await billingManager.CreateCustomer(newUser).ConfigureAwait(false);
await users.UpdateUser(new UserPatch
{
ResourceId = userId,
ExternalPaymentProcessorId = new PatchOperation <string> {
Operation = OperationKind.Update, Value = billingId
}
}).ConfigureAwait(false);
}
catch (Exception)
{
return(StatusCode(500));
}
var existingSession = await userSessions.FetchUserSessionAndUserFromToken(authToken, (int)authType)
.Ensure(s => s.HasValue, "Data found")
.OnSuccess(s => s.Value)
.ConfigureAwait(false);
if (existingSession.IsFailure)
{
var session = new UserSession
{
AuthToken = authToken,
UserId = userId,
TokenType = (int)authType,
AuthTokenExpiry = metadata.Expiry
};
var sessionId = await userSessions.CreateUserSession(session).ConfigureAwait(false);
if (sessionId.IsFailure)
{
return(StatusCode(500));
}
}
}
return(Ok());
}
private async Task<AuthorisationResult> EnforceRBACRequirements(AuthContext authContext, Microsoft.AspNetCore.Routing.RouteData routeData)
{
var userType = authContext.UserType;
// Grab the route name via the [ActionName(...)] annotation on a controller method.
// If you don't annotate your methods, or have not configured this route as authenticated, we won't apply any auth restrictions.
var routeName = (string)routeData.Values["action"];
if (routeName == null || !settings.Meta.AuthRequirements.ContainsKey(routeName))
{
return AuthorisationResult.InjectAndContinue;
}
var requirements = settings.Meta.AuthRequirements[routeName];
Maybe<Employee> employee = null;
Maybe<EmployeeRole> employeeRole = null;
Maybe<User> user = null;
if (userType != settings.Meta.AuthRequirements[routeName].UserType && UserType.Any != settings.Meta.AuthRequirements[routeName].UserType)
{
return AuthorisationResult.AbortUnauthorised;
}
if (authContext.AuthToken.HasNoValue)
{
return AuthorisationResult.AbortUnauthorised;
}
var authToken = authContext.AuthToken.Value;
// Depending on the session type, attempt to fetch the equivalent model (User or Employee).
if (userType == UserType.Employee)
{
employee = (await employeeSessions.FetchEmployeeSessionAndEmployeeFromToken(authToken).ConfigureAwait(false))
.OnBoth(x => x.IsSuccess
? x.Value
: Maybe<Employee>.None
);
if (employee.HasNoValue)
{
return AuthorisationResult.AbortUnauthorised;
}
// For employees, their permissions are scoped to an employee role. First we fetch the role.
employeeRole = (await employeeRoles.FetchEmployeeRole(employee.Value.RoleId).ConfigureAwait(false))
.OnBoth(x => x.IsSuccess
? x.Value
: Maybe<EmployeeRole>.None
);
// If the employee role wasn't found but the route didn't require any permissions, we let them through.
if (employeeRole.HasNoValue && RouteRequiresAtLeastOnePermission(requirements))
{
return AuthorisationResult.AbortUnauthorised;
}
// Verify each of the role permissions in turn, if one is missing and the route requires it, deny access.
if (!RoleHasCorrectPermissions(employeeRole.Value, requirements))
{
return AuthorisationResult.AbortUnauthorised;
}
}
else if (userType == UserType.User)
{
user = (await userSessions.FetchUserSessionAndUserFromToken(authToken, (int)authContext.AuthType).ConfigureAwait(false))
.OnBoth(x => x.IsSuccess
? x.Value
: Maybe<User>.None
);
if (user.HasNoValue)
{
return AuthorisationResult.AbortUnauthorised;
}
}
// After verifying the user's permissions, update the context with relevant user data and continue.
authContext.Employee = employee;
authContext.EmployeeRole = employeeRole;
authContext.User = user;
return AuthorisationResult.Continue;
}