diff options
Diffstat (limited to 'react/08-auth-with-context/src')
17 files changed, 482 insertions, 0 deletions
diff --git a/react/08-auth-with-context/src/App.jsx b/react/08-auth-with-context/src/App.jsx new file mode 100644 index 0000000..aedd87e --- /dev/null +++ b/react/08-auth-with-context/src/App.jsx @@ -0,0 +1,36 @@ +import { Routes, Route, Navigate } from "react-router"; + +import Navbar from "./components/Navbar"; +import HomePage from "./pages/HomePage" +import AboutPage from "./pages/AboutPage" +import AuthLayout from "./features/auth/layouts/AuthLayout" +import Login from "./features/auth/components/Login" +import Register from "./features/auth/components/Register" +import PostList from "./features/posts/components/PostList" +import AdminPage from "./pages/AdminPage"; +import { useAuth } from "./contexts/AuthContext"; + +function App() { + const { isAdmin } = useAuth(); + + return ( + <div className="app"> + <Navbar/> + + <Routes> + <Route index element={<HomePage />} /> + <Route path="about" element={<AboutPage />} /> + <Route path="posts" element={<PostList />} /> + + <Route path="admin" element={isAdmin() ? <AdminPage /> : <Navigate to="/" />} /> + + <Route element={<AuthLayout />}> + <Route path="login" element={<Login />} /> + <Route path="register" element={<Register />} /> + </Route> + </Routes> + </div> + ) +} + +export default App diff --git a/react/08-auth-with-context/src/assets/hero.png b/react/08-auth-with-context/src/assets/hero.png Binary files differnew file mode 100644 index 0000000..02251f4 --- /dev/null +++ b/react/08-auth-with-context/src/assets/hero.png diff --git a/react/08-auth-with-context/src/assets/react.svg b/react/08-auth-with-context/src/assets/react.svg new file mode 100644 index 0000000..6c87de9 --- /dev/null +++ b/react/08-auth-with-context/src/assets/react.svg @@ -0,0 +1 @@ +<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="35.93" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 228"><path fill="#00D8FF" d="M210.483 73.824a171.49 171.49 0 0 0-8.24-2.597c.465-1.9.893-3.777 1.273-5.621c6.238-30.281 2.16-54.676-11.769-62.708c-13.355-7.7-35.196.329-57.254 19.526a171.23 171.23 0 0 0-6.375 5.848a155.866 155.866 0 0 0-4.241-3.917C100.759 3.829 77.587-4.822 63.673 3.233C50.33 10.957 46.379 33.89 51.995 62.588a170.974 170.974 0 0 0 1.892 8.48c-3.28.932-6.445 1.924-9.474 2.98C17.309 83.498 0 98.307 0 113.668c0 15.865 18.582 31.778 46.812 41.427a145.52 145.52 0 0 0 6.921 2.165a167.467 167.467 0 0 0-2.01 9.138c-5.354 28.2-1.173 50.591 12.134 58.266c13.744 7.926 36.812-.22 59.273-19.855a145.567 145.567 0 0 0 5.342-4.923a168.064 168.064 0 0 0 6.92 6.314c21.758 18.722 43.246 26.282 56.54 18.586c13.731-7.949 18.194-32.003 12.4-61.268a145.016 145.016 0 0 0-1.535-6.842c1.62-.48 3.21-.974 4.76-1.488c29.348-9.723 48.443-25.443 48.443-41.52c0-15.417-17.868-30.326-45.517-39.844Zm-6.365 70.984c-1.4.463-2.836.91-4.3 1.345c-3.24-10.257-7.612-21.163-12.963-32.432c5.106-11 9.31-21.767 12.459-31.957c2.619.758 5.16 1.557 7.61 2.4c23.69 8.156 38.14 20.213 38.14 29.504c0 9.896-15.606 22.743-40.946 31.14Zm-10.514 20.834c2.562 12.94 2.927 24.64 1.23 33.787c-1.524 8.219-4.59 13.698-8.382 15.893c-8.067 4.67-25.32-1.4-43.927-17.412a156.726 156.726 0 0 1-6.437-5.87c7.214-7.889 14.423-17.06 21.459-27.246c12.376-1.098 24.068-2.894 34.671-5.345a134.17 134.17 0 0 1 1.386 6.193ZM87.276 214.515c-7.882 2.783-14.16 2.863-17.955.675c-8.075-4.657-11.432-22.636-6.853-46.752a156.923 156.923 0 0 1 1.869-8.499c10.486 2.32 22.093 3.988 34.498 4.994c7.084 9.967 14.501 19.128 21.976 27.15a134.668 134.668 0 0 1-4.877 4.492c-9.933 8.682-19.886 14.842-28.658 17.94ZM50.35 144.747c-12.483-4.267-22.792-9.812-29.858-15.863c-6.35-5.437-9.555-10.836-9.555-15.216c0-9.322 13.897-21.212 37.076-29.293c2.813-.98 5.757-1.905 8.812-2.773c3.204 10.42 7.406 21.315 12.477 32.332c-5.137 11.18-9.399 22.249-12.634 32.792a134.718 134.718 0 0 1-6.318-1.979Zm12.378-84.26c-4.811-24.587-1.616-43.134 6.425-47.789c8.564-4.958 27.502 2.111 47.463 19.835a144.318 144.318 0 0 1 3.841 3.545c-7.438 7.987-14.787 17.08-21.808 26.988c-12.04 1.116-23.565 2.908-34.161 5.309a160.342 160.342 0 0 1-1.76-7.887Zm110.427 27.268a347.8 347.8 0 0 0-7.785-12.803c8.168 1.033 15.994 2.404 23.343 4.08c-2.206 7.072-4.956 14.465-8.193 22.045a381.151 381.151 0 0 0-7.365-13.322Zm-45.032-43.861c5.044 5.465 10.096 11.566 15.065 18.186a322.04 322.04 0 0 0-30.257-.006c4.974-6.559 10.069-12.652 15.192-18.18ZM82.802 87.83a323.167 323.167 0 0 0-7.227 13.238c-3.184-7.553-5.909-14.98-8.134-22.152c7.304-1.634 15.093-2.97 23.209-3.984a321.524 321.524 0 0 0-7.848 12.897Zm8.081 65.352c-8.385-.936-16.291-2.203-23.593-3.793c2.26-7.3 5.045-14.885 8.298-22.6a321.187 321.187 0 0 0 7.257 13.246c2.594 4.48 5.28 8.868 8.038 13.147Zm37.542 31.03c-5.184-5.592-10.354-11.779-15.403-18.433c4.902.192 9.899.29 14.978.29c5.218 0 10.376-.117 15.453-.343c-4.985 6.774-10.018 12.97-15.028 18.486Zm52.198-57.817c3.422 7.8 6.306 15.345 8.596 22.52c-7.422 1.694-15.436 3.058-23.88 4.071a382.417 382.417 0 0 0 7.859-13.026a347.403 347.403 0 0 0 7.425-13.565Zm-16.898 8.101a358.557 358.557 0 0 1-12.281 19.815a329.4 329.4 0 0 1-23.444.823c-7.967 0-15.716-.248-23.178-.732a310.202 310.202 0 0 1-12.513-19.846h.001a307.41 307.41 0 0 1-10.923-20.627a310.278 310.278 0 0 1 10.89-20.637l-.001.001a307.318 307.318 0 0 1 12.413-19.761c7.613-.576 15.42-.876 23.31-.876H128c7.926 0 15.743.303 23.354.883a329.357 329.357 0 0 1 12.335 19.695a358.489 358.489 0 0 1 11.036 20.54a329.472 329.472 0 0 1-11 20.722Zm22.56-122.124c8.572 4.944 11.906 24.881 6.52 51.026c-.344 1.668-.73 3.367-1.15 5.09c-10.622-2.452-22.155-4.275-34.23-5.408c-7.034-10.017-14.323-19.124-21.64-27.008a160.789 160.789 0 0 1 5.888-5.4c18.9-16.447 36.564-22.941 44.612-18.3ZM128 90.808c12.625 0 22.86 10.235 22.86 22.86s-10.235 22.86-22.86 22.86s-22.86-10.235-22.86-22.86s10.235-22.86 22.86-22.86Z"></path></svg>
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stdDeviation="4.596"/></filter></defs></svg> diff --git a/react/08-auth-with-context/src/components/Navbar.jsx b/react/08-auth-with-context/src/components/Navbar.jsx new file mode 100644 index 0000000..9697c73 --- /dev/null +++ b/react/08-auth-with-context/src/components/Navbar.jsx @@ -0,0 +1,67 @@ +import { Link, NavLink } from "react-router"; +import { useAuth } from "../contexts/AuthContext" +import RoleGuard from "./RoleGuard"; + +const Navbar = () => { + const {user, login, logout, isLoggedIn} = useAuth(); + + return ( + <nav className="navbar"> + {/* Logo */} + <Link to="#" className="nav-link">BrandName</Link> + + {/* Mobile Toggle (Checkbox Hack) */} + <input type="checkbox" id="nav-toggle" className="nav-toggle" /> + <label htmlFor="nav-toggle" className="hamburger"> + <span></span> + <span></span> + <span></span> + </label> + + <ul className="nav-menu"> + <li> + <NavLink className="nav-link" to="/" end> + Home + </NavLink> + </li> + <li> + <NavLink className="nav-link" to="/about" end> + About + </NavLink> + </li> + <li> + <NavLink className="nav-link" to="/posts" end> + Posts + </NavLink> + </li> + + <RoleGuard allowedRoles={['ADMIN']}> + <li> + <NavLink className="nav-link" to="/admin" end> + Admin + </NavLink> + </li> + </RoleGuard> + + {!isLoggedIn() && ( + <> + <li> + <Link to="#" className="nav-link" onClick={login}>Login</Link> + </li> + <li> + <NavLink className="nav-link" to="/register">Register</NavLink> + </li> + </> + )} + + {isLoggedIn() && ( + <li> + <Link to="#" className="nav-link" onClick={logout}>Logout {user.name}</Link> + </li> + )} + </ul> + </nav> + ) +} + +export default Navbar
\ No newline at end of file diff --git a/react/08-auth-with-context/src/components/RoleGuard.jsx b/react/08-auth-with-context/src/components/RoleGuard.jsx new file mode 100644 index 0000000..5585908 --- /dev/null +++ b/react/08-auth-with-context/src/components/RoleGuard.jsx @@ -0,0 +1,15 @@ +import { useAuth } from '../contexts/AuthContext'; + +const RoleGuard = ({ allowedRoles, children }) => { + const { isInRoles } = useAuth(); + + // If at least one of the user's role is in the allowed list, show the content + if (isInRoles(allowedRoles)) { + return <>{children}</>; + } + + // Otherwise, hide the content + return null; +}; + +export default RoleGuard;
\ No newline at end of file diff --git a/react/08-auth-with-context/src/contexts/AuthContext.jsx b/react/08-auth-with-context/src/contexts/AuthContext.jsx new file mode 100644 index 0000000..9ac16b1 --- /dev/null +++ b/react/08-auth-with-context/src/contexts/AuthContext.jsx @@ -0,0 +1,83 @@ +import { createContext, useState, useEffect, use } from 'react'; + +// 1. Initialize Context +const AuthContext = createContext(null); + +// 2. Create a Custom Provider Component +export function AuthProvider({ children }) { + const [user, setUser] = useState(null); + + useEffect(() => { + // Fetch user data from your backend API + const fetchUser = async () => { + const response = await fetch('/bff/api/security/user'); + const data = await response.json(); + setUser(data); // Data format: { username: "john", name: "John", roles: ["ADMIN", "MANAGER"] } + }; + fetchUser(); + }, []); + + const login = () => { + // TODO: Start single sign-on process (say using OAuth2, OpenID) + + // For testing + setUser({ username: "john", name: "John", roles: ["ADMIN", "MANAGER"] }) + } + + const logout = async () => { + const logoutUser = async () => { + const response = await fetch('/bff/logout'); + const data = await response.json(); + setUser(null); + // TODO: Send user to somewhere + }; + logoutUser(); + + // For testing + setUser(null); + }; + + const isLoggedIn = () => { + if (user) { + return true; + } + + return false; + }; + + const isAdmin = () => { + return isInRole("ADMIN"); + } + + const isInRole = (role) => { + if (user && role && user.roles) { + return user.roles.includes(role); + } + + return false; + }; + + const isInRoles = (roles) => { + if (user && roles && user.roles) { + return roles.some(value => user.roles.includes(value)); + } + + return false; + } + + // Provide the state and the modifier function as a value object + return ( + <AuthContext value={{ user, login, logout, isLoggedIn, isAdmin, isInRole, isInRoles }}> + {children} + </AuthContext> + ); +} + +// 3. Create a clean Custom Hook to consume this specific context +export function useAuth() { + const context = use(AuthContext); + if (!context) { + throw new Error('useAuth must be used within an AuthProvider'); + } + return context; +} diff --git a/react/08-auth-with-context/src/features/auth/components/Login.jsx b/react/08-auth-with-context/src/features/auth/components/Login.jsx new file mode 100644 index 0000000..45e3e9d --- /dev/null +++ b/react/08-auth-with-context/src/features/auth/components/Login.jsx @@ -0,0 +1,9 @@ +import React from 'react' + +const Login = () => { + return ( + <div>Login</div> + ) +} + +export default Login
\ No newline at end of file diff --git a/react/08-auth-with-context/src/features/auth/components/Register.jsx b/react/08-auth-with-context/src/features/auth/components/Register.jsx new file mode 100644 index 0000000..bb20b14 --- /dev/null +++ b/react/08-auth-with-context/src/features/auth/components/Register.jsx @@ -0,0 +1,9 @@ +import React from 'react' + +const Register = () => { + return ( + <div>Register</div> + ) +} + +export default Register
\ No newline at end of file diff --git a/react/08-auth-with-context/src/features/auth/layouts/AuthLayout.jsx b/react/08-auth-with-context/src/features/auth/layouts/AuthLayout.jsx new file mode 100644 index 0000000..20aada4 --- /dev/null +++ b/react/08-auth-with-context/src/features/auth/layouts/AuthLayout.jsx @@ -0,0 +1,12 @@ +import { Outlet } from 'react-router'; + +const AuthLayout = () => { + return ( + <div className="auth-layout"> + <div>AuthLayout</div> + <Outlet /> + </div> + ) +} + +export default AuthLayout
\ No newline at end of file diff --git a/react/08-auth-with-context/src/features/posts/components/PostList.jsx b/react/08-auth-with-context/src/features/posts/components/PostList.jsx new file mode 100644 index 0000000..a7ccd3b --- /dev/null +++ b/react/08-auth-with-context/src/features/posts/components/PostList.jsx @@ -0,0 +1,42 @@ +import { useState, useEffect } from 'react' +import api from '../../../services/api' + +const PostList = () => { + const [posts, setPosts] = useState([]); + const [loading, setLoading] = useState(true); + const [error, setError] = useState(null); + + // Fetch data on component mount + useEffect(() => { + api + .get("/posts") // Replace with your actual API endpoint + .then((response) => { + setPosts(response.data); + setLoading(false); + }) + .catch((err) => { + setError(err.message); + setLoading(false); + }); + }, []); + + if (loading) return <p>Loading posts...</p>; + if (error) return <p style={{ color: "red" }}>Error: {error}</p>; + + return ( + <div style={{ padding: "10px", fontFamily: "sans-serif" }}> + <h3>Latest posts</h3> + + {/* 1. LIST VIEW */} + <ul> + {posts.map((post) => ( + <li key={post.id}> + <strong>{post.title}</strong> by {post.author} (ID: {post.id}) + </li> + ))} + </ul> + </div> + ); +} + +export default PostList
\ No newline at end of file diff --git a/react/08-auth-with-context/src/index.css b/react/08-auth-with-context/src/index.css new file mode 100644 index 0000000..0e27e33 --- /dev/null +++ b/react/08-auth-with-context/src/index.css @@ -0,0 +1,127 @@ +/* 1. Global Resets & Variables */ +* { + margin: 0; + padding: 0; + box-sizing: border-box; +} + +:root { + --primary-color: #2563eb; + --text-color: #1f2937; + --bg-color: #ffffff; + --hover-bg: #f3f4f6; + --transition: all 0.3s ease; +} + +body { + font-family: system-ui, -apple-system, sans-serif; + background-color: #f9fafb; +} + +/* 2. Navbar Layout */ +.navbar { + display: flex; + justify-content: space-between; + align-items: center; + padding: 1rem 2rem; + background-color: var(--bg-color); + box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1); + position: sticky; + top: 0; + z-index: 100; +} + +/* 3. Logo Styles */ +.nav-logo { + font-size: 1.5rem; + font-weight: 700; + color: var(--primary-color); + text-decoration: none; +} + +/* 4. Desktop Menu Items */ +.nav-menu { + display: flex; + align-items: center; + gap: 1.5rem; + list-style: none; +} + +.nav-link { + text-decoration: none; + color: var(--text-color); + font-weight: 500; + font-size: 1rem; + padding: 0.5rem 1rem; + border-radius: 0.375rem; + transition: var(--transition); +} + +.nav-link:hover, +.nav-link.active { + color: var(--primary-color); + background-color: var(--hover-bg); +} + +/* 5. Mobile Layout (Hidden Elements by Default) */ +.nav-toggle { + display: none; +} + +.hamburger { + display: none; + flex-direction: column; + gap: 5px; + cursor: pointer; +} + +.hamburger span { + width: 25px; + height: 3px; + background-color: var(--text-color); + border-radius: 2px; + transition: var(--transition); +} + +/* 6. Responsive Media Query */ +@media (max-width: 768px) { + .hamburger { + display: flex; + } + + .nav-menu { + position: absolute; + top: 100%; + left: 0; + width: 100%; + flex-direction: column; + background-color: var(--bg-color); + padding: 1.5rem; + gap: 1rem; + box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1); + + /* Hide off-screen by default */ + transform: translateY(-150%); + opacity: 0; + transition: var(--transition); + pointer-events: none; + } + + /* Target open state using checkbox selector */ + .nav-toggle:checked ~ .nav-menu { + transform: translateY(0); + opacity: 1; + pointer-events: auto; + } + + /* Hamburger Animate to 'X' when active */ + .nav-toggle:checked ~ .hamburger span:nth-child(1) { + transform: translateY(8px) rotate(45deg); + } + .nav-toggle:checked ~ .hamburger span:nth-child(2) { + opacity: 0; + } + .nav-toggle:checked ~ .hamburger span:nth-child(3) { + transform: translateY(-8px) rotate(-45deg); + } +} diff --git a/react/08-auth-with-context/src/main.jsx b/react/08-auth-with-context/src/main.jsx new file mode 100644 index 0000000..44b2ec6 --- /dev/null +++ b/react/08-auth-with-context/src/main.jsx @@ -0,0 +1,16 @@ +import { StrictMode } from 'react' +import { createRoot } from 'react-dom/client' +import { BrowserRouter } from "react-router"; +import './index.css' +import App from './App.jsx'; +import { AuthProvider } from './contexts/AuthContext.jsx'; + +createRoot(document.getElementById('root')).render( + <StrictMode> + <AuthProvider> + <BrowserRouter> + <App /> + </BrowserRouter> + </AuthProvider> + </StrictMode>, +)
\ No newline at end of file diff --git a/react/08-auth-with-context/src/pages/AboutPage.jsx b/react/08-auth-with-context/src/pages/AboutPage.jsx new file mode 100644 index 0000000..fb55b44 --- /dev/null +++ b/react/08-auth-with-context/src/pages/AboutPage.jsx @@ -0,0 +1,9 @@ +import React from 'react' + +const AboutPage = () => { + return ( + <div>AboutPage</div> + ) +} + +export default AboutPage
\ No newline at end of file diff --git a/react/08-auth-with-context/src/pages/AdminPage.jsx b/react/08-auth-with-context/src/pages/AdminPage.jsx new file mode 100644 index 0000000..766d828 --- /dev/null +++ b/react/08-auth-with-context/src/pages/AdminPage.jsx @@ -0,0 +1,9 @@ +import React from 'react' + +const AdminPage = () => { + return ( + <div>AdminPage</div> + ) +} + +export default AdminPage
\ No newline at end of file diff --git a/react/08-auth-with-context/src/pages/HomePage.jsx b/react/08-auth-with-context/src/pages/HomePage.jsx new file mode 100644 index 0000000..a082c29 --- /dev/null +++ b/react/08-auth-with-context/src/pages/HomePage.jsx @@ -0,0 +1,9 @@ +import React from 'react' + +const HomePage = () => { + return ( + <div>HomePage</div> + ) +} + +export default HomePage
\ No newline at end of file diff --git a/react/08-auth-with-context/src/services/api.js b/react/08-auth-with-context/src/services/api.js new file mode 100644 index 0000000..215ee1b --- /dev/null +++ b/react/08-auth-with-context/src/services/api.js @@ -0,0 +1,37 @@ +import axios from 'axios'; + +const api = axios.create({ + baseURL: '/bff/api', // Example value: https://www.example.com + timeout: 30000, // 30 seconds + headers: { 'Content-Type': 'application/json' }, + withCredentials: true +}); + +// Request Interceptor (Optional: Add Authorization Headers) +/* +api.interceptors.request.use( + (request) => { + console.log("API Request:", request); + return request; + }, + (error) => Promise.reject(error) +); +*/ + +// Response Interceptor for Centralized Error Handling +api.interceptors.response.use( + (response) => { + return response; + }, + (error) => { + console.error("API ERROR:", error.response || error.message); + + if (window.confirm("A network error occured. Try reloading the page?")) { + window.location.href = "/bff/ui"; + } + + return Promise.reject(error); + } +); + +export default api;
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