Blog-977327 - Adding sample for Role based annotation.

Annotations/Role based annotation/AuthenticationService/AuthenticationService.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+	  <PackageReference Include="BCrypt.Net-Next" Version="4.0.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
+  </ItemGroup>
+
+</Project>

Annotations/Role based annotation/AuthenticationService/AuthenticationService.csproj.user

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="Current" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <ActiveDebugProfile>IIS Express</ActiveDebugProfile>
+    <Controller_SelectedScaffolderID>MvcControllerEmptyScaffolder</Controller_SelectedScaffolderID>
+    <Controller_SelectedScaffolderCategoryPath>root/Common/MVC/Controller</Controller_SelectedScaffolderCategoryPath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
+    <DebuggerFlavor>ProjectDebugger</DebuggerFlavor>
+  </PropertyGroup>
+</Project>

Annotations/Role based annotation/AuthenticationService/AuthenticationService.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.9.34723.18
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AuthenticationService", "AuthenticationService.csproj", "{7FC0F7C8-6F5B-4FDC-B22E-55CD333E0FA0}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{7FC0F7C8-6F5B-4FDC-B22E-55CD333E0FA0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7FC0F7C8-6F5B-4FDC-B22E-55CD333E0FA0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7FC0F7C8-6F5B-4FDC-B22E-55CD333E0FA0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7FC0F7C8-6F5B-4FDC-B22E-55CD333E0FA0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {7D63024A-BC8C-4438-AC15-FBD2D739D9FC}
+	EndGlobalSection
+EndGlobal

Annotations/Role based annotation/AuthenticationService/Controllers/AuthenticationController.cs

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+using AuthenticationService.Models;
+using Microsoft.AspNetCore.Mvc;
+using System.Text.Json;
+
+namespace Authentication.Controllers;
+
+[ApiController]
+[Route("api/[controller]")]
+public class AuthenticationController : ControllerBase
+{
+    private static readonly string _userFilePath = "users.json";
+
+    // Register the new user with the credentials like Username, Email ID and Password
+    [HttpPost("register")]
+    public IActionResult Register([FromBody] User newUser)
+    {
+        var Users = LoadUsers();
+        if (Users.Any(u => u.Username == newUser.Username))
+        {
+            return BadRequest(new { message = "Username already exists" });
+        }
+        if (Users.Any(u => u.Email == newUser.Email))
+        {
+            return BadRequest(new { message = "Email already registered" });
+        }
+        newUser.Password = BCrypt.Net.BCrypt.HashPassword(newUser.Password);
+        Users.Add(newUser);
+        var json = JsonSerializer.Serialize(Users, new JsonSerializerOptions { WriteIndented = true });
+        System.IO.File.WriteAllText(_userFilePath, json);
+        return Ok(new { message = "User registered successfully" });
+    }
+
+    // Existing user can login using the credentials such as Email ID and password
+    [HttpPost("login")]
+    public IActionResult Login([FromBody] User login)
+    {
+        var Users = LoadUsers();
+        var user = Users.FirstOrDefault(u => u.Email == login.Email);
+        if (user == null || !BCrypt.Net.BCrypt.Verify(login.Password, user.Password))
+        {
+            return Unauthorized(new { message = "Invalid credentials" });
+        }
+
+        return Ok(new { username = user.Username, email = user.Email });
+    }
+
+    // 🔸 Load the user details from the local storage file
+    private static List<User> LoadUsers()
+    {
+        if (!System.IO.File.Exists(_userFilePath))
+            return new List<User>();
+
+        var json = System.IO.File.ReadAllText(_userFilePath);
+        return JsonSerializer.Deserialize<List<User>>(json) ?? new List<User>();
+    }
+}

Annotations/Role based annotation/AuthenticationService/Models/User.cs

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+namespace AuthenticationService.Models
+{
+
+    /// <summary>
+    /// Represents a user with basic authentication details.
+    /// </summary>
+
+    public class User
+    {
+        /// <summary>
+        /// Gets or sets the username of the user.
+        /// </summary>
+        public string? Username { get; set; }
+
+        /// <summary>
+        /// Gets or sets the email address of the user.
+        /// </summary>
+        public string Email { get; set; }
+
+        /// <summary>
+        /// Gets or sets the password of the user.
+        /// </summary>
+        public string Password { get; set; }
+    }
+}

Annotations/Role based annotation/AuthenticationService/Program.cs

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+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+// ✅ Add CORS configuration BEFORE building the app
+builder.Services.AddCors(options =>
+{
+    options.AddDefaultPolicy(policy =>
+    {
+        policy.AllowAnyOrigin()
+              .AllowAnyHeader()
+              .AllowAnyMethod();
+    });
+});
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+// ✅ Use CORS middleware BEFORE authorization
+app.UseCors();
+
+app.UseHttpsRedirection();
+app.UseAuthorization();
+
+app.MapControllers();
+
+app.Run();

Annotations/Role based annotation/AuthenticationService/Properties/launchSettings.json

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+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:19872",
+      "sslPort": 44310
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5063",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7132;http://localhost:5063",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

Annotations/Role based annotation/AuthenticationService/appsettings.Development.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

Annotations/Role based annotation/AuthenticationService/appsettings.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

Annotations/Role based annotation/AuthenticationService/users.json

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+[
+  {
+    "Username": "John",
+    "Email": "john@gmail.com",
+    "Password": "$2a$11$1zW3U/d6DC56zxifl8nATuGMQ8zhM8gmyx1t3fFtXAQg8a.xD5cBG"
+  },
+  {
+    "Username": "Andrew",
+    "Email": "andrew@gmail.com",
+    "Password": "$2a$11$lu2VT2RXFNqI5Up8DYSkUuo1nampE5REmWJXQEcsvD69.icuTXUta"
+  },
+  {
+    "Username": "Janet",
+    "Email": "janet@gmail.com",
+    "Password": "$2a$11$42zEoWxWxtReaL3Sgs9haer9Uxb3OnrWa1FM0T9icweSJphEimy/q"
+  }
+]

Annotations/Role based annotation/RoleBasedAnnotation/.gitignore

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+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+
+# testing
+/coverage
+
+# production
+/build
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*

Annotations/Role based annotation/RoleBasedAnnotation/README.md

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+# Getting Started with Create React App
+
+This project was bootstrapped with [Create React App](https://github.com/facebook/create-react-app).
+
+## Available Scripts
+
+In the project directory, you can run:
+
+### `npm start`
+
+Runs the app in the development mode.\
+Open [http://localhost:3000](http://localhost:3000) to view it in your browser.
+
+The page will reload when you make changes.\
+You may also see any lint errors in the console.
+
+### `npm test`
+
+Launches the test runner in the interactive watch mode.\
+See the section about [running tests](https://facebook.github.io/create-react-app/docs/running-tests) for more information.
+
+### `npm run build`
+
+Builds the app for production to the `build` folder.\
+It correctly bundles React in production mode and optimizes the build for the best performance.
+
+The build is minified and the filenames include the hashes.\
+Your app is ready to be deployed!
+
+See the section about [deployment](https://facebook.github.io/create-react-app/docs/deployment) for more information.
+
+### `npm run eject`
+
+**Note: this is a one-way operation. Once you `eject`, you can't go back!**
+
+If you aren't satisfied with the build tool and configuration choices, you can `eject` at any time. This command will remove the single build dependency from your project.
+
+Instead, it will copy all the configuration files and the transitive dependencies (webpack, Babel, ESLint, etc) right into your project so you have full control over them. All of the commands except `eject` will still work, but they will point to the copied scripts so you can tweak them. At this point you're on your own.
+
+You don't have to ever use `eject`. The curated feature set is suitable for small and middle deployments, and you shouldn't feel obligated to use this feature. However we understand that this tool wouldn't be useful if you couldn't customize it when you are ready for it.
+
+## Learn More
+
+You can learn more in the [Create React App documentation](https://facebook.github.io/create-react-app/docs/getting-started).
+
+To learn React, check out the [React documentation](https://reactjs.org/).
+
+### Code Splitting
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/code-splitting](https://facebook.github.io/create-react-app/docs/code-splitting)
+
+### Analyzing the Bundle Size
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size](https://facebook.github.io/create-react-app/docs/analyzing-the-bundle-size)
+
+### Making a Progressive Web App
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app](https://facebook.github.io/create-react-app/docs/making-a-progressive-web-app)
+
+### Advanced Configuration
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/advanced-configuration](https://facebook.github.io/create-react-app/docs/advanced-configuration)
+
+### Deployment
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/deployment](https://facebook.github.io/create-react-app/docs/deployment)
+
+### `npm run build` fails to minify
+
+This section has moved here: [https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify](https://facebook.github.io/create-react-app/docs/troubleshooting#npm-run-build-fails-to-minify)

Annotations/Role based annotation/RoleBasedAnnotation/package.json

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+{
+  "name": "syncfusion-pdf-viewer",
+  "version": "0.1.0",
+  "private": true,
+  "dependencies": {
+    "@syncfusion/ej2-base": "^31.2.2",
+    "@syncfusion/ej2-react-dropdowns": "^31.2.3",
+    "@syncfusion/ej2-react-pdfviewer": "^31.2.3",
+    "@testing-library/dom": "^10.4.1",
+    "@testing-library/jest-dom": "^6.8.0",
+    "@testing-library/react": "^16.3.0",
+    "@testing-library/user-event": "^13.5.0",
+    "bootstrap": "^5.3.8",
+    "react": "^19.1.1",
+    "react-dom": "^19.1.1",
+    "web-vitals": "^2.1.4"
+  },
+  "scripts": {
+    "start": "react-scripts start",
+    "build": "react-scripts build",
+    "test": "react-scripts test",
+    "eject": "react-scripts eject"
+  },
+  "eslintConfig": {
+    "extends": [
+      "react-app",
+      "react-app/jest"
+    ]
+  },
+  "browserslist": {
+    "production": [
+      ">0.2%",
+      "not dead",
+      "not op_mini all"
+    ],
+    "development": [
+      "last 1 chrome version",
+      "last 1 firefox version",
+      "last 1 safari version"
+    ]
+  },
+  "devDependencies": {
+    "react-scripts": "^5.0.1"
+  }
+}