public async Task Invoke(HttpContext context, IAuthenticationService authenticationService)
{
try
{
BasicAuthenticationParser parser = new BasicAuthenticationParser(context);
// put in the authHeader and get the username and password from the parser
parser.ParseHeader();
string username = parser.Username;
string password = parser.Password;
// find the usernamd and password in the database
int?userId = CheckReturnUserId(username, password);
if (userId != null)
{
// add the user to the context
AssignUserToContext(context, userId);
}
await next(context);
}
catch (FormatException)
{
Debug.WriteLine("Format issues");
}
}
public void ReportBadPayloadInvalid()
{
var parser = new BasicAuthenticationParser("Basic foobar", null);
parser.IsValid.Should().BeFalse();
parser.Username.Should().BeNullOrEmpty();
}
public void ReportNonBasicHeaderInvalid()
{
var parser = new BasicAuthenticationParser("Bearer foobar", null);
parser.IsValid.Should().BeFalse();
parser.Username.Should().BeNullOrEmpty();
}
public void ReportEmptyHeaderInvalid()
{
var parser = new BasicAuthenticationParser(string.Empty, null);
parser.IsValid.Should().BeFalse();
parser.Username.Should().BeNullOrEmpty();
}
public void ParseValidPayload(string header, string username, string password)
{
var parser = new BasicAuthenticationParser(header, null);
parser.IsValid.Should().BeTrue();
parser.Username.Should().Be(username);
parser.Password.Should().Be(password);
}
private async Task <bool> ExecuteClientCredentialsFlow(IOwinEnvironment context, IClient client, CancellationToken cancellationToken)
{
var basicHeaderParser = new BasicAuthenticationParser(context.Request.Headers.GetString("Authorization"), _logger);
if (!basicHeaderParser.IsValid)
{
await Error.Create <OauthInvalidRequest>(context, cancellationToken);
return(true);
}
var preLoginContext = new PreLoginContext(context)
{
Login = basicHeaderParser.Username
};
await _handlers.PreLoginHandler(preLoginContext, cancellationToken).ConfigureAwait(false);
var request = new ClientCredentialsGrantRequest
{
Id = basicHeaderParser.Username,
Secret = basicHeaderParser.Password
};
if (preLoginContext.AccountStore != null)
{
request.AccountStoreHref = preLoginContext.AccountStore.Href;
}
var application = await client
.GetApplicationAsync(_configuration.Application.Href, cancellationToken)
.ConfigureAwait(false);
IOauthGrantAuthenticationResult tokenResult;
try
{
tokenResult = await application
.ExecuteOauthRequestAsync(request, cancellationToken)
.ConfigureAwait(false);
}
// Catch error 10019 (API Authentication failed)
catch (ResourceException rex) when(rex.Code == 10019)
{
return(await Error.Create <OauthInvalidClient>(context, cancellationToken).ConfigureAwait(false));
}
var accessToken = await tokenResult.GetAccessTokenAsync(cancellationToken).ConfigureAwait(false);
var account = await accessToken.GetAccountAsync(cancellationToken).ConfigureAwait(false);
var postLoginContext = new PostLoginContext(context, account);
await _handlers.PostLoginHandler(postLoginContext, cancellationToken).ConfigureAwait(false);
var sanitizer = new GrantResultResponseSanitizer();
return(await JsonResponse.Ok(context, sanitizer.SanitizeResponseWithoutRefreshToken(tokenResult)).ConfigureAwait(false));
}
private async Task <bool> ExecuteClientCredentialsFlow(IOwinEnvironment context, IClient client, CancellationToken cancellationToken)
{
var jsonErrorHandler = new Func <AbstractError, CancellationToken, Task>((err, ct)
=> Error.Create(context, err, ct));
var basicHeaderParser = new BasicAuthenticationParser(context.Request.Headers.GetString("Authorization"), _logger);
if (!basicHeaderParser.IsValid)
{
await jsonErrorHandler(new OauthInvalidRequest(), cancellationToken);
return(true);
}
var executor = new LoginExecutor(client, _configuration, _handlers, _logger);
var application = await client
.GetApplicationAsync(_configuration.Application.Href, cancellationToken)
.ConfigureAwait(false);
var tokenResult = await executor.ClientCredentialsGrantAsync(
context,
application,
jsonErrorHandler,
basicHeaderParser.Username,
basicHeaderParser.Password,
cancellationToken);
if (tokenResult == null)
{
return(true); // Some error occurred and the handler was invoked
}
await executor.HandlePostLoginAsync(context, tokenResult, cancellationToken);
var sanitizer = new GrantResultResponseSanitizer();
return(await JsonResponse.Ok(context, sanitizer.SanitizeResponseWithoutRefreshToken(tokenResult)).ConfigureAwait(false));
}
