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To ensure OpenIddict uses the latest (unexpired) certificates and avoids downtime when certificates expire, you need to register both the new and old certificates in the credentials collection during key rollover. OpenIddict will only use valid (unexpired) certificates for signing and encryption, and will refuse expired ones. If only expired certificates are present, authentication will fail and your site will go offline.

Solution Steps:

1. Register Multiple Certificates for Key Rollover:
   • When you renew your certificate (e.g., every 3 months with Let's Encrypt), add both the new and the previous certificate in your OpenIddict configuration. This allows OpenIddict to use the valid one and ignore expired ones.
   • Example:

PreConfigure<OpenIddictServerBuilder>(serverBuilder =>
     {
         serverBuilder.AddSigningCertificate(new X509Certificate2("old-cert.pfx", "oldPassword"));
         serverBuilder.AddSigningCertificate(new X509Certificate2("new-cert.pfx", "newPassword"));
     });

• Remove the expired certificate after confirming the new one is in use.

2. Automate Certificate Renewal and Reload:

   • Automate the process of copying the new certificate to your deployment and updating the configuration.
   • Restart the AuthServer application after updating certificates to ensure OpenIddict reloads them.

3. Self-Signed/Expired Certificates:

   • OpenIddict does not allow expired certificates for security reasons.
   • For development, you can use self-signed certificates, but for production, always use valid, non-expired certificates.

4. Troubleshooting:

   • If you see errors like When using X.509 encryption credentials, at least one of the registered certificates must be valid, it means all provided certificates are expired or invalid.
   • Ensure the .pfx file is present, the password is correct, and the certificate is not expired.

References:

• OpenIddict Deployment & Certificate Management
• Fixing OpenIddict Certificate Issues in IIS or Azure
• OpenIddict Without PFX in Shared Hosting

This approach ensures seamless certificate rollover and prevents downtime due to expired certificates.

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• The error occurs because ABP Suite is generating a using importContryProj.ManagementService.Shared; statement, but there is no Shared project or namespace in your microservice solution. In ABP microservice templates, the "Shared" project is not created by default for each service; it is only present in some monolithic or modular setups.

• When you add a navigation property (relation) between entities in a microservice service (like ManagementService), ABP Suite expects a Shared project to exist for DTO sharing, but your solution structure does not include it. This results in the CS0234 error: The type or namespace name 'Shared' does not exist in the namespace.

• To resolve this:

  1. Remove or comment out the using importContryProj.ManagementService.Shared; line in the generated files.
  2. If you need to share DTOs or contracts between services, create a new Shared project (e.g., importContryProj.ManagementService.Shared) and move shared DTOs/interfaces there. Then, reference this project from your other projects as needed.
  3. Alternatively, keep all contracts in the Application.Contracts project and update your usings accordingly.

• This is a known limitation when using ABP Suite with microservice templates, as the code generator assumes a Shared project exists for each service. You may need to adjust the generated code manually or create the missing Shared project.

Sources:

• https://abp.io/docs/en/commercial/latest/abp-suite/index

This approach aligns with common ABP microservice conventions, but specific official documentation for this exact scenario is not available.

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To add Azure AD as an external provider with dynamic options in ABP, you need to ensure that the dynamic options are properly initialized before the authentication middleware tries to use them. The error you are seeing (ArgumentNullException: Value cannot be null. (Parameter 'ClientId')) occurs because the ClientId (and possibly other required properties) are not set at application startup, so the OpenIdConnect middleware fails validation.

Here's the correct approach for dynamic external login providers in ABP:

1. Register Dynamic Options and Post-Configure Handler

   You must use .WithDynamicOptions<OpenIdConnectOptions, OpenIdConnectHandler>() after adding the OpenIdConnect provider, and register a post-configure handler to ensure dynamic properties are set before validation.

context.Services.AddAuthentication()
       .AddOpenIdConnect("AzureOpenId", "Azure AD", options =>
       {
           options.ResponseType = OpenIdConnectResponseType.CodeIdToken;
           options.RequireHttpsMetadata = false;
           options.SaveTokens = true;
           options.GetClaimsFromUserInfoEndpoint = true;
           options.Scope.Add("email");
           options.ClaimActions.MapJsonKey(ClaimTypes.NameIdentifier, "sub");
           options.CallbackPath = configuration["AzureAd:CallbackPath"]; // Optional if dynamic
       })
       .WithDynamicOptions<OpenIdConnectOptions, OpenIdConnectHandler>(
           "AzureOpenId",
           options =>
           {
               options.WithProperty(x => x.Authority);
               options.WithProperty(x => x.ClientId);
               options.WithProperty(x => x.ClientSecret, isSecret: true);
           }
       );

   context.Services.TryAddEnumerable(
       ServiceDescriptor.Singleton<
           IPostConfigureAccountExternalProviderOptions<OpenIdConnectOptions>,
           OpenIdConnectPostConfigureAccountExternalProviderOptions>());

2. Implement the Post-Configure Handler

   This ensures that after dynamic properties are set, the options are re-validated:

public class OpenIdConnectPostConfigureAccountExternalProviderOptions : IPostConfigureAccountExternalProviderOptions<OpenIdConnectOptions>
   {
       private readonly IEnumerable<IPostConfigureOptions<OpenIdConnectOptions>> _postConfigureOptions;
       public OpenIdConnectPostConfigureAccountExternalProviderOptions(IEnumerable<IPostConfigureOptions<OpenIdConnectOptions>> postConfigureOptions)
       {
           _postConfigureOptions = postConfigureOptions;
       }
       public Task PostConfigureAsync(string name, OpenIdConnectOptions options)
       {
           foreach (var configureOption in _postConfigureOptions)
           {
               configureOption.PostConfigure(name, options);
           }
           return Task.CompletedTask;
       }
   }

3. Do Not Set Required Properties to Null at Startup

   Do not leave ClientId, Authority, etc., unset at startup. The dynamic provider system will inject them at runtime, but the post-configure handler is required to ensure this happens after all dynamic properties are available.

4. Summary

   • Use .WithDynamicOptions after .AddOpenIdConnect.
   • Register the IPostConfigureAccountExternalProviderOptions implementation.
   • Do not set required properties to null at startup; let the dynamic system handle them.

This approach ensures that the OpenIdConnect middleware does not throw validation errors at startup and that your dynamic configuration is applied correctly.

Sources:

• https://abp.io/docs/latest/modules/account-pro

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• In a distributed ABP Auth Server setup (such as Azure Aspire with multiple instances), you must ensure that both Data Protection keys and OpenIddict cryptographic keys are shared and synchronized across all instances. If not, you will see errors like "invalid_grant", "invalid_token", or "The signing key associated to the specified token was not found."

• Using Azure Cache for Redis is a valid approach, but you must ensure:

  1. All instances use the same Redis connection string.
  2. Data Protection is configured to persist keys in Redis (not in-memory or local file).
  3. OpenIddict is configured to use distributed key storage (not ephemeral or per-instance).

• To make your ABP Auth Server reliable in this environment:

  1. Configure Data Protection to use Redis for key storage:

context.Services.AddDataProtection()
         .PersistKeysToStackExchangeRedis(redis, "DataProtection-Keys");

 See: [Distributed Data Protection](https://abp.io/docs/abp/latest/Distributed-Data-Protection)

2. Configure OpenIddict to use distributed key storage (not ephemeral keys):

options.AddDevelopmentEncryptionCertificate()
            .AddDevelopmentSigningCertificate();
     // For production, use a persisted certificate or key storage

 See: [Distributed OpenIddict](https://abp.io/docs/abp/latest/Distributed-OpenIddict)

3. Ensure Redis is healthy and accessible from all instances. Any network or configuration issue can cause key desync.

4. If you want to remove Redis, you must use another distributed key store (e.g., Azure Blob Storage for Data Protection, or a shared certificate for OpenIddict). Do not use in-memory or local file storage in a multi-instance environment.

5. Restart all instances after changing key storage configuration to ensure all use the same keys.

• If you see "The signing key associated to the specified token was not found," it means the instance that issued the token is not sharing its keys with others. This is almost always a misconfiguration of Data Protection or OpenIddict key storage.

• For more details and code samples, see:

  • Distributed Cache
  • Distributed Data Protection
  • Distributed OpenIddict

Summary:
You must use a distributed key store (like Redis or Azure Blob Storage) for both Data Protection and OpenIddict keys, and ensure all instances are configured identically. Do not use local or ephemeral keys in a multi-instance environment.

Sources:

• Distributed Cache
• Distributed Data Protection
• Distributed OpenIddict

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To address your issue with user-level permissions not being applied in an ABP solution using the OpenIddict module (instead of IdentityServer), here are the key points and steps you should follow:

1. User vs. Role Permissions in ABP

   • ABP's permission system supports granting permissions directly to users or via roles.
   • If a permission is granted to a user, it should be effective immediately (after cache refresh, logout/login, etc.), just like role-based permissions.

2. OpenIddict vs. IdentityServer

   • The workaround from the referenced ticket (disabling claim type updates in IdentityServer) is specific to IdentityServer and not required for OpenIddict.
   • OpenIddict does not override or remap ABP claim types by default, so you do not need to add the PreConfigureServices code for AbpIdentityServerBuilderOptions.

3. Troubleshooting User Permissions Not Applying

   • Ensure that the user is not only assigned the permission in the UI, but that the permission is granted in the AbpPermissionGrants table with the correct ProviderName (U for user, R for role) and ProviderKey (user ID).
   • Make sure your Blazor WASM client is requesting updated claims after login or after permissions change. Sometimes, the access token or user info is cached and not refreshed.
   • If you are using Redis or distributed cache, ensure that the cache is cleared or invalidated after permission changes.
   • The AuthorizeView component in Blazor checks the current user's claims. If the permission is not present, it may be due to the claims not being refreshed or propagated to the client.

4. Force Claims Refresh for User Permissions

   • ABP uses dynamic claims and may require a refresh for the user's claims after a permission change. In Blazor WASM, this is typically handled by re-authenticating or explicitly triggering a claims refresh.
   • If you are using ABP's dynamic claims system, ensure that the app.UseDynamicClaims() middleware is configured only in the AuthServer and Web projects, not in all microservices.
   • If you have enabled dynamic claims, verify that the AbpClaimsPrincipalFactoryOptions.IsDynamicClaimsEnabled is set appropriately (usually true for dynamic claims).

5. Recommended Steps

   • Log out and log in again after granting user permissions.
   • If using distributed cache (e.g., Redis), flush the cache after permission changes.
   • Ensure that your AuthServer and Web projects are correctly configured for dynamic claims (middleware and options).
   • If the problem persists, check the logs for any errors related to claims or permission fetching.

6. Sample: Dynamic Claims Configuration

// In your AuthServer and Web module
   context.Services.Configure<AbpClaimsPrincipalFactoryOptions>(options =>
   {
       options.IsDynamicClaimsEnabled = true;
   });
   // In Startup/Program.cs
   app.UseDynamicClaims();

7. If You Still Have Issues
   • Double-check that the user's claims are being refreshed and that the access token contains the expected permissions.
   • Use ABP's built-in permission checking methods (e.g., IAuthorizationService.IsGrantedAsync) to debug on the server side.

Sources:

• ABP Permission System
• ABP Dynamic Claims
• ABP Identity Server Module Migration
• ABP Support Ticket 6432

This approach aligns with common ABP conventions for OpenIddict and dynamic claims. If you follow these steps and the issue persists, please check for customizations or middleware that might interfere with claims propagation.

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• This issue is a known bug in ABP Framework related to dropdown extra properties for entity extension fields, where the selected value is duplicated multiple times in the dropdown when editing an entity. The root cause is in the way the lookup values are loaded and merged with the selected value in the Blazor UI.

• The ABP team has addressed this in the following GitHub issue and pull request:

  • https://github.com/abpframework/abp/issues/18226

• To resolve this issue, you should update your ABP Framework packages to the latest version where this bug is fixed. If you cannot upgrade immediately, a temporary workaround is to ensure your lookup endpoint does not return duplicate items and to check for duplicates in your UI logic if possible.

• For more information on configuring dropdown extra properties, see the official documentation:

  • https://abp.io/docs/latest/framework/architecture/modularity/extending/module-entity-extensions

This approach is confirmed by the official ABP GitHub repository and documentation.

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To host multiple ABP applications (Web Public, Blazor Admin, API, AuthServer) on a single Azure App Service using Web App for Containers with Docker Compose, and expose them under different paths on the same domain, you need to use a reverse proxy container (such as Nginx or Traefik) as the entry point. This proxy will route requests to the correct internal service based on the URL path.

Step-by-Step Solution

1. Prepare Docker Images for Each App

   • Build/publish Docker images for each ABP application: Web Public, Blazor Admin, API, and AuthServer.
   • Push these images to a container registry (e.g., Azure Container Registry or Docker Hub).

2. Create a Reverse Proxy Configuration

   • Use Nginx (or Traefik) as a reverse proxy to route traffic based on the URL path.
   • Example Nginx configuration (nginx.conf):

server {
         listen 80;
         server_name www.example.com;

         location / {
             proxy_pass http://webpublic:80;
         }
         location /admin/ {
             proxy_pass http://blazoradmin:80/;
             rewrite ^/admin(/.*)$ $1 break;
         }
         location /api/ {
             proxy_pass http://api:80/;
             rewrite ^/api(/.*)$ $1 break;
         }
         location /auth/ {
             proxy_pass http://authserver:80/;
             rewrite ^/auth(/.*)$ $1 break;
         }
     }

• This configuration assumes your internal Docker services are named webpublic, blazoradmin, api, and authserver.

3. Create a docker-compose.yml File
   • Example:

version: '3.8'
     services:
       nginx:
         image: nginx:latest
         ports:
           - "80:80"
         volumes:
           - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro
         depends_on:
           - webpublic
           - blazoradmin
           - api
           - authserver

       webpublic:
         image: <your-registry>/webpublic:latest
         environment:
           # Set environment variables as needed
         # ...

       blazoradmin:
         image: <your-registry>/blazoradmin:latest
         environment:
           # ...
         # ...

       api:
         image: <your-registry>/api:latest
         environment:
           # ...
         # ...

       authserver:
         image: <your-registry>/authserver:latest
         environment:
           # ...
         # ...

4. Deploy to Azure App Service for Containers

   • Zip your docker-compose.yml and nginx.conf and deploy to your Azure App Service configured for multi-container (Docker Compose) deployment.
   • Ensure your App Service is set to use Linux and supports Docker Compose.

5. HTTPS Configuration

   • Azure App Service provides a built-in SSL certificate for your domain. All traffic will go through the Nginx container, which will receive HTTPS traffic from Azure's front end and forward it to your internal services over HTTP.

6. ABP Application Configuration

   • Set the App:SelfUrl and other relevant URLs in each app to match the public paths (e.g., https://www.example.com/admin for Blazor Admin).
   • Update CORS and redirect URIs to match the new paths.

Notes

• All endpoints will share the same domain and SSL certificate.
• Path-based routing is handled by the reverse proxy.
• You do not need multiple App Services or subdomains.

Example Reference

• Official ABP Docker Compose deployment guide:
  • https://abp.io/docs/latest/solution-templates/layered-web-application/deployment/deployment-docker-compose

This approach is fully supported and aligns with ABP and Azure best practices for containerized multi-app hosting.

Sources:

• https://abp.io/docs/latest/solution-templates/layered-web-application/deployment/deployment-docker-compose

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• The error in your screenshot is caused by the application not being able to find or access the OpenIddict signing certificate file (PFX) or its private key when running under IIS. This is a common deployment issue for ABP applications using OpenIddict.

To resolve this:

1. Ensure the certificate file (e.g., openiddict.pfx) is present in your published output directory on the server.
2. Make sure the certificate password in your configuration matches the actual certificate.
3. Grant the IIS Application Pool identity read access to the certificate file.
4. Set "Load User Profile" to "True" for your IIS Application Pool. This is required for loading user-level certificates.
5. When calling AddProductionEncryptionAndSigningCertificate, specify the correct X509KeyStorageFlags to avoid permission issues:

PreConfigure<OpenIddictServerBuilder>(serverBuilder =>
   {
       var flag = X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.EphemeralKeySet;
       serverBuilder.AddProductionEncryptionAndSigningCertificate("openiddict.pfx", "YourCertificatePassword", flag);
   });

6. If you need to generate a new certificate, use:

dotnet dev-certs https -v -ep openiddict.pfx -p YourCertificatePassword

7. For more details and troubleshooting, see the official ABP documentation and community article below.

Sources:

• https://abp.io/community/articles/0znavo8r
• https://abp.io/docs/latest/solution-templates/layered-web-application/deployment/openiddict-deployment

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• Ensure you have installed the correct LeptonX theme package for Angular. For the open-source version, run:

npm install @abp/ng.theme.lepton-x@preview

or

yarn add @abp/ng.theme.lepton-x@preview

• Update your angular.json file. In the styles array, remove the default Bootstrap style and add:

"node_modules/@volo/ngx-lepton-x.lite/styles/sidemenu-layout.min.css",
  "node_modules/bootstrap-icons/font/bootstrap-icons.css"

• In your app.module.ts, remove ThemeBasicModule and import:

import { ThemeLeptonXModule } from '@abp/ng.theme.lepton-x';
  import { SideMenuLayoutModule } from '@abp/ng.theme.lepton-x/layouts';

  @NgModule({
    imports: [
      ThemeLeptonXModule.forRoot(),
      SideMenuLayoutModule.forRoot(),
      // other imports
    ],
    // ...
  })
  export class AppModule {}

• If you use Resource Owner Password Flow, also import:

import { AccountLayoutModule } from '@abp/ng.theme.lepton-x/account';

  @NgModule({
    imports: [
      AccountLayoutModule.forRoot(),
      // ...
    ],
    // ...
  })
  export class AppModule {}

• After making these changes, stop the Angular dev server if running, delete node_modules, and reinstall dependencies:

rm -rf node_modules
  yarn

or

npm install

• Restart the Angular dev server:

yarn start

or

npm start

If you still see a blank page, double-check that all theme-related modules are correctly imported and that the styles are properly referenced in angular.json.

Sources

• https://abp.io/community/articles/z0fqq5di
• https://abp.io/docs/latest/ui-themes/lepton-x-lite/angular

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The issue you are experiencing with the Blazor Web App (tiered) template and InteractiveWebAssembly render mode is related to the remote service configuration for your CRUD page. In tiered ABP solutions, especially with Blazor WebAssembly or InteractiveWebAssembly, the client-side app communicates with the backend via HTTP API endpoints. If the remote service is not properly configured or exposed, you will encounter the "Could not find remote action for method" exception.

Solution Steps

1. Ensure RemoteService Attribute is Set Correctly
   • For your application service (e.g., BookAppService), make sure it is decorated with [RemoteService] (or not explicitly disabled). If you use [RemoteService(IsEnabled = false)], the service will not be exposed to the client, causing this error.
   • Example:

[RemoteService] // or simply omit this if you want it enabled by default
     public class BookAppService : ApplicationService, IBookAppService
     {
         // ...
     }

2. Check API Controller Generation

   • ABP automatically generates API controllers for application services marked as remote services. Ensure that your service interface and implementation are public and not internal.
   • If you have a custom controller, ensure it is properly routed and implements the correct interface.

3. Verify API Endpoint Accessibility

   • Start your HttpApi.Host project and check the Swagger UI (e.g., https://localhost:44331/swagger). Ensure that the endpoint for your CRUD service (e.g., /api/app/book) is present and accessible.

4. Check AppSettings for Remote Service Configuration

   • In your Blazor Web App's appsettings.json, ensure the RemoteService:BaseUrl is set to the correct API host URL.

"RemoteService": {
       "BaseUrl": "https://localhost:44331"
     }

5. Rebuild and Restart All Projects

   • After making changes, rebuild the solution and restart both the HttpApi.Host and Blazor Web App projects to ensure all changes are applied.

6. Known Issue with Module Template

   • There is a known issue where the module template does not set up the remote service correctly for tiered apps. If you used the module template, you may need to manually add the [RemoteService] attribute or check the generated code for missing configuration.
   • Reference: https://abp.io/support/questions/4300

Additional Notes

• If you have both a controller and an app service, ensure that at least one is exposed as a remote service for the client to access.
• A clean and rebuild of the solution can sometimes resolve issues after upgrades or template changes (see: https://abp.io/support/questions/1735).

Sources:

• https://abp.io/support/questions/4300
• https://abp.io/support/questions/1735

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