Config

This file contains the profiles.

∼/.aws/config

[default]
region = eu-central-1

[profile profile1]
sso_start_url  = https://my-sso-portal.awsapps.com/start
sso_region     = us-east-1
sso_account_id = 111122223333
sso_role_name  = SampleRole
region         = eu-central-1
output         = yaml-stream
services       = local-dynamodb

[services local-dynamodb]
dynamodb = 
  endpoint_url = http://localhost:8000

Credentials

This file contains credentials linked to profiles.

∼/.aws/credentials

[default]
aws_access_key_id = ...
aws_secret_access_key = ...
aws_session_token = ...

[profile1]
key=value

Secrets Manager

Cognito

Program.cs

builder.Services.AddCognitoIdentity();
builder.Services.AddAuthentication(options =>
{
    options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
    options.DefaultChallengeScheme = JwtBearerDefaults.AuthenticationScheme;
})
.AddJwtBearer(options =>
{
    options.Authority = builder.Configuration["AWSCognito:Authority"];
    options.Audience = builder.Configuration["AWSCognito:UserPoolClientId"];
    options.TokenValidationParameters = new TokenValidationParameters
    {
        ValidateIssuerSigningKey = true,
        ValidateAudience = true
    };
    options.TokenValidationParameters.AudienceValidator = (audiences, securityToken, validationParameters) =>
    {
        // Cognito tokens doesn't have "aud" claim. Instead the audience is set in "client_id"
        var jsonWebToken = (Microsoft.IdentityModel.JsonWebTokens.JsonWebToken)securityToken;
        if (!jsonWebToken.Claims.Any(f => f.Type == "aud"))
            return false;
        return validationParameters.ValidAudience.Contains(jsonWebToken.Claims.First(f => f.Type == "aud").Value);
    };
});