public async Task <AuthLogin> LoginAuthAsync(HttpRequest req)
{
AuthenticationHeaderValue.TryParse(req.Headers[HeaderNames.Authorization], out var authHeader);
if (authHeader == null)
{
return(null);
}
ClaimsPrincipal claims = await Auth0.ValidateTokenAsync(authHeader);
Token token = new Token
{
Scheme = authHeader.Scheme,
AccesCode = authHeader.Parameter
};
AuthLogin authLogin = new AuthLogin
{
Token = token,
Guid = claims.FindFirst("http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier").Value
};
return(authLogin);
}
/**
* Authorization Check for every call
*/
public async Task <AuthResultModel> CheckAuthorization(HttpRequest req, int userId = 0, bool isDoctor = false)
{
// Get AuthentificationHeader from request
AuthenticationHeaderValue.TryParse(req.Headers[HeaderNames.Authorization], out var authHeader);
if (authHeader == null)
{
return(new AuthResultModel(false, AuthStatusCode.Unauthorized));
}
// Token validation with Auth0 servers
ClaimsPrincipal claims = await Auth0.ValidateTokenAsync(authHeader);
if (claims == null)
{
return(new AuthResultModel(false, AuthStatusCode.Unauthorized));
}
// Get Token Guid for Authorization
string tokenGuid = claims.FindFirst("http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier").Value;
IAuthorizationRepository authRepository = DIContainer.Instance.GetService <IAuthorizationRepository>();
// If userId needs to come from token, only calls the method GetAccountId if userId is zero
if (userId == 0 && authRepository.GetUserId(tokenGuid, isDoctor) == 0)
{
return(new AuthResultModel(false, AuthStatusCode.Forbidden));
}
// When a call is from a Doctor that needs info about a patient, the following method will be called
// UserId is here patientId
if (isDoctor && authRepository.CheckDoctorAcces(userId, tokenGuid))
{
return(new AuthResultModel(true, AuthStatusCode.Ok));
}
// When a call is from a patient of doctor and only ask for information about the same user the following method will be called
if (userId != 0 && !authRepository.UserAuth(userId, tokenGuid, isDoctor))
{
return(new AuthResultModel(false, AuthStatusCode.Forbidden));
}
return(new AuthResultModel(true, AuthStatusCode.Ok));
}
// Helpers
private async Task <AuthGUID> GetGUIDAsync(HttpRequest req)
{
AuthGUID authGUID = new AuthGUID();
AuthResultModel authResult = new AuthResultModel(false, AuthStatusCode.Unauthorized);
// Get AuthentificationHeader from request
AuthenticationHeaderValue.TryParse(req.Headers[HeaderNames.Authorization], out var authHeader);
if (authHeader == null)
{
return new AuthGUID {
AuthResult = authResult
}
}
;
// Token validation with Auth0 servers
ClaimsPrincipal claims = await Auth0.ValidateTokenAsync(authHeader);
if (claims == null)
{
return new AuthGUID {
AuthResult = authResult
}
}
;
// Get Token Guid for Authorization
string tokenGuid = claims.FindFirst("http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier").Value;
authGUID.Acces = true;
authGUID.GUID = tokenGuid;
authGUID.AuthResult = new AuthResultModel(true, AuthStatusCode.Ok);
return(authGUID);
}
}
