Default credentials profile is not not read by Amazon.SimpleEmailV2 SDK for .net

[ThisIsArnab]

Describe the bug

As per the documentation at credential and profile resolution, the default credentials profile at %USERPROFILE%\.aws\credentials should be used by SDK, if available. However the AWSSDK.SimpleEmailV2 SDK throws error.

Expected Behavior

It should use the default profile as per the credentials file at the default location to make AWS API calls.

Current Behavior

Exception is thrown when trying to use the default credentials (see reproduction steps). However I have verified the default credential is correct by the following code:

        var netSdkStore = new NetSDKCredentialsFile();        
        netSdkStore.TryGetProfile("default", out CredentialProfile profile);
        return profile;

I get the correct access key and the secret key using above and I am able to make API calls.

Reproduction Steps

1. Create a Default profile at the location %USERPROFILE%\.aws\credentials.
   
2. Use package AWSSDK.SimpleEmailV2 Version="3.7.1.88"
3. Create client object using default constructor:

   AmazonSimpleEmailServiceV2Client client = AmazonSimpleEmailServiceV2Client();

4. When calling any method on client object, error is thrown:

   public async Task<CreateEmailIdentityResponse> Post()
    {
        // Create SES identity
        AmazonSimpleEmailServiceV2Client client = new AmazonSimpleEmailServiceV2Client() ;
        CreateEmailIdentityRequest request = new CreateEmailIdentityRequest()
        {
            EmailIdentity = "[email protected]"
        };
        var response = await client.CreateEmailIdentityAsync(request);  //<- Error is thrown here
   
        return response;
    }

   An unhandled exception has occurred while executing the request.
      Amazon.SimpleEmailV2.AmazonSimpleEmailServiceV2Exception: The security token included in the request is invalid.
       ---> Amazon.Runtime.Internal.HttpErrorResponseException: Exception of type 'Amazon.Runtime.Internal.HttpErrorResponseException' was thrown.
         at Amazon.Runtime.HttpWebRequestMessage.GetResponseAsync(CancellationToken cancellationToken)
         at Amazon.Runtime.Internal.HttpHandler`1.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.Unmarshaller.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.ErrorHandler.InvokeAsync[T](IExecutionContext executionContext)
         --- End of inner exception stack trace ---
         at Amazon.Runtime.Internal.HttpErrorResponseExceptionHandler.HandleExceptionStream(IRequestContext requestContext, IWebResponseData httpErrorResponse, HttpErrorResponseException exception, Stream responseStream)
         at Amazon.Runtime.Internal.HttpErrorResponseExceptionHandler.HandleExceptionAsync(IExecutionContext executionContext, HttpErrorResponseException exception)
         at Amazon.Runtime.Internal.ExceptionHandler`1.HandleAsync(IExecutionContext executionContext, Exception exception)
         at Amazon.Runtime.Internal.ErrorHandler.ProcessExceptionAsync(IExecutionContext executionContext, Exception exception)
         at Amazon.Runtime.Internal.ErrorHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.CallbackHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.EndpointDiscoveryHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.EndpointDiscoveryHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.CredentialsRetriever.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.RetryHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.RetryHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.CallbackHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.CallbackHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.ErrorCallbackHandler.InvokeAsync[T](IExecutionContext executionContext)
         at Amazon.Runtime.Internal.MetricsHandler.InvokeAsync[T](IExecutionContext executionContext)
         at WorkerWebServerDemo.Controllers.WeatherForecastController.Post() in D:\dev_temp\WorkerWebServerDemo\Controllers\WeatherForecastController.cs:line 43
         at lambda_method5(Closure , Object )
         at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)      
         at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Awaited|12_0(ControllerActionInvoker invoker, ValueTask`1 actionResultValueTask)
         at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
         at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)
         at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
         at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeInnerFilterAsync>g__Awaited|13_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)
         at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeFilterPipelineAsync>g__Awaited|20_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)        
         at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)
         at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeAsync>g__Awaited|17_0(ResourceInvoker invoker, Task task, IDisposable scope)
         at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)
         at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
         at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)
         at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)
         at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)
   

Possible Solution

No response

Additional Information/Context

No response

AWS .NET SDK and/or Package version used

AWSSDK.SimpleEmailV2 3.7.1.88

Targeted .NET Platform

.NET 6

Operating System and version

Windows 10

[ashishdhingra]

Hi @ThisIsArnab,

Good evening.

Few pointer:

• Are you using Visual Studio for your development and access AWS services using AWS Explorer? If yes, refer Using the SDK Store (Windows only), you might be using Windows SDK store located at %USERPROFILE%\AppData\Local\AWSToolkit\RegisteredAccounts.json. You may rename or move this file to a different location.
• Is environment variable AWS_PROFILE set in your environment? If yes, please either remove it or update it with default profile.
• Could you check the output of FallbackCredentialsFactory.GetCredentials()? If these return credentials, could you check the source and credentials information to validate if the default credentials are returned?
• • If default credentials are returned as output of FallbackCredentialsFactory.GetCredentials(), could you try using them for your scenario? If this doesn't work, then most likely your credentials might be invalid. Kindly check by using these with other AWS services.
• • If default credentials are not returned as output of FallbackCredentialsFactory.GetCredentials(), then check the source.

Thanks,
Ashish

[ThisIsArnab]

Thank you @ashishdhingra that helped!

Credentials were indeed read from Windows SDK Store. Checked using FallbackCredentialsFactory.GetCredentials(). I found out this was set during the usage of AWS NoSql Workbench. I renamed the RegisteredAccounts.json file and now credentials are read from default shared credentials!

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