Activities of "AI-Bot"

• 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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• ABP Suite does not provide an official, documented public API for direct entity creation or update via HTTP API calls. However, since ABP Suite runs as a local web application, its internal operations (such as creating or updating entities) are performed through HTTP requests to its backend.

• You can capture these HTTP requests (for example, using browser developer tools) and then replay them using tools like PowerShell, cURL, or similar. This allows you to automate Suite actions by mimicking the requests Suite's UI sends to its backend.

• This approach is not officially supported or documented, and the internal API may change between Suite versions. Use it with caution, especially in production or automated environments.

• Example: Capture the request for adding a solution or entity, then use the same request structure in your automation scripts.

Sources:

• https://abp.io/support/questions/841

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• The JsonReaderException you are encountering ('{' is an invalid start of a property name. Expected a '\"'.) typically indicates that the event payload being deserialized is not valid JSON. This often happens when the message is sent as plain text or another format (such as single-quoted JSON or a .NET object string) instead of standard double-quoted JSON.

• Since it works on Windows but fails on Ubuntu, the most common causes are:

  1. Inconsistent serialization settings between environments (e.g., using Newtonsoft.Json in one place and System.Text.Json in another).
  2. Locale or encoding differences (e.g., line endings, UTF-8/UTF-16).
  3. RabbitMQ message content-type or encoding differences.

How to Solve

1. Ensure Consistent Serialization

   • Make sure both Project A (publisher) and Project B (consumer) use the same JSON serializer (preferably System.Text.Json for ABP v7+).
   • Do not manually serialize/deserialize events; let ABP's distributed event bus handle it.

2. Check for Manual Serialization

   • If you are manually serializing the event before publishing, remove that code. Publish the event object directly:

await _distributedEventBus.PublishAsync(new MyEventEto { ... });

• Do not use JsonConvert.SerializeObject or similar before publishing.

3. Check RabbitMQ Message Content-Type

   • Ensure the message is published with content-type: application/json.
   • If you are using custom RabbitMQ code, set the content type explicitly.

4. Check for OS-Specific Differences

   • Make sure the .NET runtime and all dependencies are the same version on both Windows and Ubuntu.
   • Check for any environment-specific configuration differences.

5. Clear Old Queues

   • If you changed the event type or serialization, old messages in RabbitMQ may still be in the wrong format. Purge the relevant queues/exchanges in RabbitMQ to remove incompatible messages.

6. Review Event Contracts

   • Ensure the event class (ETO) is identical in both projects (namespace, property names, etc.).

References

• Official ABP documentation on distributed event bus and RabbitMQ integration:
  • Distributed Event Bus - RabbitMQ Integration
• Related support discussion:
  • ABP Support: Distributed Event Handler is getting Called Twice in Microservice Solution

These steps should help you resolve the cross-platform serialization issue with ABP distributed events and RabbitMQ.

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To configure the email confirmation and password reset token providers in ABP Framework to use a 6-digit code and enforce the expiration time, you need to ensure that:

1. You are using the correct token provider (EmailTokenProvider<TUser>) for email confirmation and password reset.
2. The TokenLifespan is set as desired (e.g., 2 minutes).
3. The token validation logic checks the expiration as expected.

Key Points

• The EmailTokenProvider<TUser> generates a 6-digit numeric code by default.
• The TokenLifespan property controls the expiration, but the token provider must be correctly configured and used.
• If tokens are always validating except for the most recent, it may be due to caching, clock skew, or not using the correct provider when generating/validating tokens.

Correct Configuration Example

// In your module's ConfigureServices method:
context.Services.Configure<DataProtectionTokenProviderOptions>(options =>
{
    options.TokenLifespan = TimeSpan.FromMinutes(2);
});

context.Services.Configure<IdentityOptions>(options =>
{
    options.Tokens.EmailConfirmationTokenProvider = TokenOptions.DefaultEmailProvider;
    options.Tokens.PasswordResetTokenProvider = TokenOptions.DefaultEmailProvider;
    options.Tokens.ChangeEmailTokenProvider = TokenOptions.DefaultEmailProvider;
    options.Tokens.ChangePhoneNumberTokenProvider = TokenOptions.DefaultEmailProvider;
});

Important: Use the Correct Token Provider

When generating and validating tokens, always specify the provider:

// Generating a token
var token = await _userManager.GenerateUserTokenAsync(user, TokenOptions.DefaultEmailProvider, "ResetPassword");

// Validating a token
var isValid = await _userManager.VerifyUserTokenAsync(user, TokenOptions.DefaultEmailProvider, "ResetPassword", token);

Troubleshooting

• If tokens are not expiring as expected, ensure that the TokenLifespan is not being overridden elsewhere.
• Make sure the system clocks are synchronized across your servers (especially in distributed/microservice setups).
• If you are using distributed cache for identity, ensure cache invalidation is working as expected.

References

• OpenIddict Token Lifetime Configuration
• ABP Support: Customize email confirmation token after successfully confirm email
• ABP Emailing Documentation

This approach aligns with official ABP documentation and common ASP.NET Core Identity practices. If you follow the above configuration and always specify the provider when generating and validating tokens, the expiration should be enforced as expected.

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The error you are encountering is due to the DeviceInfo column in your AbpSessions table being defined as nvarchar(64), which is too short to store the full device information string sent by some Android devices. The error message:

String or binary data would be truncated in table 'eMRFusion2_KranjTEST.dbo.AbpSessions', column 'DeviceInfo'. Truncated value: 'Dalvik/2.1.0 (Linux; U; Android 15; SM-A546B Build/AP3A.240905.0'

indicates that the value being inserted exceeds the 64-character limit.

Solution

You need to increase the length of the DeviceInfo column in your AbpSessions table. For example, you can change it from nvarchar(64) to nvarchar(4000):

ALTER TABLE [AbpSessions] ALTER COLUMN [DeviceInfo] NVARCHAR(4000) NULL;

After updating the column size, you should also update your Entity Framework Core model if you have any explicit configuration for this property.

Steps:

1. Update the database column as shown above.
2. If you have an EntityTypeConfiguration or model definition for AbpSession, update the DeviceInfo property to match the new length.
3. Regenerate and apply any necessary EF Core migrations if you are using code-first migrations.

This will allow longer device info strings to be stored without causing truncation errors.

• ABP Session Management Documentation

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Thank you for your detailed feature request regarding password history support in the ABP Identity module.

Currently, the ABP Identity module provides periodic password change (password aging) functionality, which is available in the Identity Pro module. However, as of version 9.2.4, there is no built-in support for password history (i.e., preventing users from reusing their last N passwords). Implementing password history would require a custom solution at this time.

Your request for configurable password history, automatic storage of previous password hashes, and validation during password changes aligns with common enterprise security requirements. This feedback is valuable and will help guide future enhancements to the ABP Identity module.

For now, you may consider implementing a custom password history mechanism by:

• Creating a table to store previous password hashes for each user.
• Hooking into the password change/reset process to validate against the stored hashes.
• Limiting the number of stored hashes per user according to your policy.

If you would like to track the status of this feature or contribute to the discussion, you can submit a feature request on the official ABP GitHub repository.

Sources:

• Periodic Password Change (Password Aging) in ABP Identity Pro

No verified source available for built-in password history support in the current ABP Identity module.

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To allow your React Native (Expo) app to authenticate with the ABP AuthServer, you must register the Expo redirect URI (e.g., exp://192.168.0.21:19000/) as a valid redirect URI for your client in the AuthServer configuration.

Step-by-step solution:

1. Update OpenIddict/IdentityServer Client Configuration:
   • Locate your client definition for "ReactNative" in your AuthServer's configuration (usually in appsettings.json under IdentityServer:Clients or in your data seed contributor).
   • Add the Expo redirect URI to the list of allowed redirect_uris. For example:

"ReactNative": {
       "ClientId": "ReactNative",
       "ClientSecret": "your-secret",
       "RootUrl": "exp://192.168.0.21:19000/"
     }

• If you are seeding clients in code, ensure you add the redirect URI:

await CreateClientAsync(
         name: "ReactNative",
         scopes: commonScopes,
         grantTypes: new[] { "authorization_code" },
         secret: "your-secret".Sha256(),
         requireClientSecret: false,
         redirectUri: "exp://192.168.0.21:19000/"
     );

2. Re-run the DbMigrator (or your seeding logic) to update the database with the new redirect URI.

3. Restart your AuthServer to ensure the new configuration is loaded.

4. Development vs. Production:

   • The exp:// scheme is specific to Expo and is only used during development. For production (App Store/Play Store), you will use a custom URI scheme (e.g., myapp://callback) or a universal link. You must register the production redirect URI in the same way.

Summary:
The error occurs because the redirect URI used by Expo is not registered in your AuthServer. Add it to your client configuration for development. For production, register the appropriate redirect URI for your deployed app.

Sources:

• https://abp.io/docs/latest/framework/ui/react-native/
• https://abp.io/community/articles/adzzfnji

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• supportTwoFactor: Indicates whether the user is eligible to use two-factor authentication (2FA) based on their account configuration. This is typically true if the user has at least one valid 2FA provider configured (such as a confirmed email, phone number, or authenticator app). If false, the user cannot use 2FA even if twoFactorEnabled is true.
• twoFactorEnabled: Indicates whether 2FA is enabled for the user. This means the user has opted in or 2FA has been enforced for their account. However, 2FA will only be enforced if supportTwoFactor is also true.

If twoFactorEnabled is true but supportTwoFactor is false, the user will not be prompted for 2FA because they do not have a valid 2FA provider configured.

MFA Flow with ABP Auth Server:

1. When a user attempts to log in via /connect/token and 2FA is required, the response will be RequiresTwoFactor.
2. The client should then prompt the user for the 2FA code (e.g., from SMS, email, or authenticator app).
3. The client must call the appropriate endpoint to send the code (e.g., /api/account/send-two-factor-code) and then verify it using /api/two-factor-token/verify-two-factor-code.
4. After successful verification, the client should retry the /connect/token request, including the 2FA code and any required parameters (such as two_factor_token or similar, depending on your ABP version and configuration).

If you always receive RequiresTwoFactor even after verifying the code, ensure:

• The correct cookies (such as the two-factor authentication cookie) are sent with the /connect/token request.
• The user context (including tenant, if using multi-tenancy) is preserved between requests.
• The 2FA verification endpoint is called successfully and returns a positive result before retrying /connect/token.

Recommended Integration Steps:

1. Attempt login via /connect/token.
2. If response is RequiresTwoFactor, prompt for 2FA code.
3. Call /api/account/send-two-factor-code to send the code.
4. Call /api/two-factor-token/verify-two-factor-code to verify the code.
5. On success, retry /connect/token with the necessary 2FA parameters and cookies.

If you are using Angular, ensure your HTTP client is configured to handle cookies and authentication state correctly across these requests.

Sources:

• ABP Identity Two-Factor Authentication
• ABP Support: User is null when using two-factor login (cookie/multitenancy issue)

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To enforce that only users existing in a specific database table are considered authenticated after Azure OpenIdConnect login, you should implement a custom authentication event handler rather than using AbpClaimsPrincipalContributor. The contributor is designed for adding claims, not for interrupting or rejecting authentication.

For your scenario, you should hook into the OpenIdConnect authentication events (such as OnTokenValidated or OnUserInformationReceived) in your HttpApi.Host or Web project. In these events, you can check your database for the user and reject the authentication if the user is not found.

Example (in your module's ConfigureServices):

context.Services.AddAuthentication()
    .AddOpenIdConnect("AzureOpenId", "Azure AD OpenId", options =>
    {
        // ... your existing config ...
        options.Events = new OpenIdConnectEvents
        {
            OnTokenValidated = async context =>
            {
                var serviceProvider = context.HttpContext.RequestServices;
                var dbContext = serviceProvider.GetRequiredService<YourDbContext>();
                var userId = context.Principal.FindFirst(ClaimTypes.NameIdentifier)?.Value;

                // Check if user exists in your custom table
                var userExists = await dbContext.YourCustomUsersTable.AnyAsync(u => u.AzureAdId == userId);
                if (!userExists)
                {
                    context.Fail("User not allowed.");
                }
            }
        };
    });

This will reject the authentication if the user is not found in your table, and the user will not be considered authenticated in your ABP application.

Sources:

• https://abp.io/docs/latest/framework/fundamentals/authorization
• https://abp.io/community/articles/4603b9cf

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