IdentityServer4.Extensions.MongoDbAdapter is a small library which helps developers integrate IdentityServer4 with Mongo database.

• MyGet installation.

  • Following this tutorial and set Nuget package source to: https://www.myget.org/F/identity-server-integration/api/v3/index.json.
  • Find package IdentityServer4.MongoDbAdapter and install.

• Nuget installation:

  • Not yet deployed to nuget.

• AddMongoDatabaseAdapter(string contextName, string clientCollectionName, string identityResourcesCollectionName, string apiResourcesCollectionName, string persistedGrantsCollectionName, DatabaseInitializer dbClientInitializer): Integrate mongo database with identity server in ASP.Net Core application.

  • contextName: Name of integration context. In case of multiple context implementation, developer can find IAuthenticationMongoContext by this name from DI frameworks.

  • clientCollectionName: Name of clients table (called collection in mongo database).

  • identityResourcesCollectionName: Name of identity resources collection in mongo database.

  • apiResourcesCollectionName: Name of api resources collection in mongo database.

  • persistedGrantCollectionName: Name of collection in mongo database to store user persisted grants. This will be applied when system uses Reference token.

  • dbClientInitializer(IServiceProvider provider): A function that returns an instance of IMongoClient to initialize mongo database client. For example:

  var dbClient = new MongoClient(new MongoUrl(<connection string>));
  return dbClient.GetDatabase(<database name>);
  

• AddIdentityServerMongoDbService<T>(): Register an instance of IAuthenticationMongoDatabaseService which helps developers to initiate initial clients, identity resources, api resources.

• UseInitialMongoDbAuthenticationItems(): Generate initial items which have been defined in IAuthenticationMongoDatabaseService implemented by AddIdentityServerMongoDbService<T> above.

• AddExpiredAccessTokenCleaner(string cronJob): Register a background task that runs along with the system to clean up expired Persisted grants that generated by user authentication.

  • cronJob: Cron job definition that can follows cron job syntax, please refer this document for further information. By default, this value will be: */30 * * * * (Every 30 minutes).

• IAuthenticationMongoDatabaseService: Define functions which return identity server initial items in mongo database.

  • Task<List<Client>> LoadClientsAsync(CancellationToken cancellationToken = default): Returns a list of clients that will be stored into mongo database.

  • Task<List<ApiResource>> LoadApiResourcesAsync(CancellationToken cancellationToken = default): Returns a list of API Resources that will be stored into mongo database.

  • Task<List<IdentityResource>> LoadIdentityResourcesAsync(CancellationToken cancellationToken = default): Returns a list of Identity Resources that will be stored into mongo database.

• In Startup.cs file, implement:

public void ConfigureServices(IServiceCollection services)
{
    //...
    services
        .AddIdentityServer()
        .AddMongoDatabaseAdapter(DatabaseContextNameConstants.AuthenticationDbContext,
            identityServerSettings.ClientsCollectionName,
            identityServerSettings.IdentityResourcesCollectionName,
            identityServerSettings.ApiResourcesCollectionName,
            identityServerSettings.PersistedGrantsCollectionName,
            provider =>
            {
                var dbClient = new MongoClient(new MongoUrl(authenticationDbConnectionString));
                return dbClient.GetDatabase(identityServerSettings.DatabaseName);
            })
        .AddExpiredAccessTokenCleaner()
        .AddIdentityServerMongoDbService<AuthenticationDbService>()
        .AddProfileService<ProfileService>()
        .AddResourceOwnerValidator<ResourceOwnerPasswordValidator>()
        .AddDeveloperSigningCredential();
        
    // Add jwt validation.
    services
        .AddAuthentication(options =>
        {
            options.DefaultScheme = JwtBearerDefaults.AuthenticationScheme;
            options.DefaultAuthenticateScheme = JwtBearerDefaults.AuthenticationScheme;
        })
        .AddIdentityServerAuthentication(options =>
        {
            options.Authority = identityServerSettings.Authority;
            options.ApiSecret = identityServerSettings.ApiSecret;
            options.ApiName = "profile";
            options.RequireHttpsMetadata = false;
            options.SaveToken = true;
            options.SupportedTokens = SupportedTokens.Reference;
        });
    //...
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    //...
    app.UseIdentityServer()
            .UseInitialMongoDbAuthenticationItems();

    app.UseAuthentication();
    app.UseAuthorization();
    //...
}
}

• 1.0.0-Preview-01: Technical preview.

• If you find any issues while using this library, please report them at https://github.com/redplane/IdentityServer4.MongoDbAdapter.
• Demo application is also provided with this repository, please find it here.