From 413896c54b53d8ed019e60f29f9738cba9ffc08e Mon Sep 17 00:00:00 2001
From: hzhang <hzhang@hangman-lab.top>
Date: Wed, 4 Dec 2024 16:53:35 +0000
Subject: [PATCH] markdown editor

---
 src/App.js                                    |  7 +-
 src/AuthProvider.js                           | 44 +++++----
 src/components/Markdowns/MarkdownEditor.js    | 97 +++++++++++++++++++
 .../{ => Navigations}/MainNavigation.css      |  0
 .../{ => Navigations}/MainNavigation.js       |  2 +-
 .../{ => Navigations}/SideNavigation.css      |  0
 .../{ => Navigations}/SideNavigation.js       | 11 ++-
 src/components/PermissionGuard.js             | 15 +++
 src/confs/appConfig.js                        |  3 +-
 9 files changed, 155 insertions(+), 24 deletions(-)
 create mode 100644 src/components/Markdowns/MarkdownEditor.js
 rename src/components/{ => Navigations}/MainNavigation.css (100%)
 rename src/components/{ => Navigations}/MainNavigation.js (96%)
 rename src/components/{ => Navigations}/SideNavigation.css (100%)
 rename src/components/{ => Navigations}/SideNavigation.js (84%)
 create mode 100644 src/components/PermissionGuard.js

diff --git a/src/App.js b/src/App.js
index 005815d..575ffff 100644
--- a/src/App.js
+++ b/src/App.js
@@ -1,8 +1,9 @@
 import React from "react";
 import { BrowserRouter as Router, Route, Routes } from "react-router-dom";
-import MainNavigation from "./components/MainNavigation";
-import SideNavigation from "./components/SideNavigation";
+import MainNavigation from "./components/Navigations/MainNavigation";
+import SideNavigation from "./components/Navigations/SideNavigation";
 import MarkdownContent from "./components/MarkdownContent";
+import MarkdownEditor from "./components/Markdowns/MarkdownEditor";
 import "./App.css";
 import Callback from "./Callback";
 import {config} from "./confs/appConfig";
@@ -20,6 +21,8 @@ const App = () => {
                             <Route path="/markdown/:id" element={<MarkdownContent />} />
                             <Route path="/callback" element={<Callback />} />
                             <Route path="/test" element={<h1>TEST</h1>}></Route>
+                            <Route path="/markdown/create" element={<MarkdownEditor />}></Route>
+                            <Route path="/markdown/edit/:id" element={<MarkdownEditor />}></Route>
                         </Routes>
                     </main>
                 </div>
diff --git a/src/AuthProvider.js b/src/AuthProvider.js
index dce3ca0..d44367f 100644
--- a/src/AuthProvider.js
+++ b/src/AuthProvider.js
@@ -7,33 +7,43 @@ export const AuthContext = createContext({
     user: null,
     login: () => {},
     logout: () => {},
+    roles: [],
 });
 
 const AuthProvider = ({ children }) => {
     const [user, setUser] = useState(null);
+    const [roles, setRoles] = useState([]);
     const userManager = new UserManager(appConfig.oidcConfig);
 
     useEffect(() => {
         userManager.getUser()
             .then((user) => {
-            if (user && !user.expired) {
-                setUser(user);
-                localStorage.setItem("accessToken", user.access_token);
-            } else if (user && user.expired) {
-                userManager.signinSilent()
-                    .then((newUser) => {
-                        setUser(newUser);
-                        localStorage.setItem("accessToken", newUser.access_token);
-                    })
-                    .catch((err) => {
-                        console.error(err);
-                    })
-            }
-        });
-    }, [userManager]);
+                if (user && !user.expired) {
+                    setUser(user);
+                    localStorage.setItem("accessToken", user.access_token);
+                    const clientRoles = user?.profile?.resource_access?.[appConfig.kc_client_id]?.roles || [];
+                    setRoles(clientRoles);
+                } else if (user && user.expired) {
+                    userManager.signinSilent()
+                        .then((newUser) => {
+                            setUser(newUser);
+                            localStorage.setItem("accessToken", newUser.access_token);
+                            const clientRoles =
+                                newUser?.profile?.resource_access?.[appConfig.kc_client_id]?.roles || [];
+                            setRoles(clientRoles);
+                        })
+                        .catch((err) => {
+                            console.error(err);
+                        })
+                }
+            });
+        }, [userManager]);
 
     const login = () => {
-        userManager.signinRedirect().catch((err) => {
+        userManager
+            .signinRedirect()
+            .catch(
+                (err) => {
             console.log(appConfig);
             console.log(err);
         });
@@ -41,7 +51,7 @@ const AuthProvider = ({ children }) => {
     const logout = () => userManager.signoutRedirect();
 
     return (
-        <AuthContext.Provider value={{ user, login, logout }}>
+        <AuthContext.Provider value={{ user, roles, login, logout }}>
             {children}
         </AuthContext.Provider>
     );
diff --git a/src/components/Markdowns/MarkdownEditor.js b/src/components/Markdowns/MarkdownEditor.js
new file mode 100644
index 0000000..3fa9c64
--- /dev/null
+++ b/src/components/Markdowns/MarkdownEditor.js
@@ -0,0 +1,97 @@
+import React, {useContext, useEffect, useState} from "react";
+import {AuthContext} from "../../AuthProvider";
+import {useNavigate, useParams} from "react-router-dom";
+import {fetchWithCache} from "../../utils/fetchWithCache";
+
+const MarkdownEditor = () => {
+    const {roles} = useContext(AuthContext);
+    const navigate = useNavigate();
+    const {id} = useParams()
+    const [title, setTitle] = useState("");
+    const [content, setContent] = useState("");
+    const [path, setPath] = useState("");
+
+    useEffect(() => {
+        if(id){
+            fetchWithCache(`/api/markdown/${id}`)
+                .then((data) => {
+                    setTitle(data.title);
+                    setContent(data.content);
+                    setPath(data.path);
+                })
+                .catch((err) => {console.error("failed to load markdown", err)});
+        }
+    }, [id]);
+
+    const handleSave = () => {
+        const url = id ? `/api/markdown/${id}` : "/api/markdown";
+        const method = id ? "PUT" : "POST";
+        fetch (url, {
+            method,
+            headers: {
+                "Content-Type": "application/json",
+                Authorization: `Bearer ${localStorage.getItem("accessToken")}`,
+            },
+            body: JSON.stringify({title, content, path}),
+        })
+            .then((res) => {
+                if (res.ok) {
+                    navigate("/");
+                }else {
+                    return res.json().then((data) => {
+                        throw new Error(data.error || "Failed to save markdown");
+                    })
+                }
+            })
+        .catch((err) => {console.error("failed to load markdown", err)});
+    };
+
+    const hasPermission = roles.includes("admin") || roles.includes("creator");
+    if(! hasPermission)
+        return (
+            <div> Can not crete(Permission Denied)</div>
+        );
+    return (
+        <div>
+            <h2>{id ? "Edit Markdown" : "Create Markdown"}</h2>
+            <form>
+                <div>
+                    <label>
+                        Title:
+                        <input
+                            type="text"
+                            value={title}
+                            onChange={(e) => setTitle(e.target.value)}
+                        />
+                    </label>
+                </div>
+                <div>
+                    <label>
+                        Path:
+                        <input
+                            type="text"
+                            value={path}
+                            onChange={(e) => setPath(e.target.value)}
+                        />
+                    </label>
+                </div>
+                <div>
+                    <label>
+                        Content:
+                        <textarea
+                            value={content}
+                            onChange={(e) => setContent(e.target.value)}
+                        />
+                    </label>
+                </div>
+                <button type="button" onClick={handleSave}>
+                    Save
+                </button>
+            </form>
+        </div>
+    );
+
+
+}
+
+export default MarkdownEditor;
\ No newline at end of file
diff --git a/src/components/MainNavigation.css b/src/components/Navigations/MainNavigation.css
similarity index 100%
rename from src/components/MainNavigation.css
rename to src/components/Navigations/MainNavigation.css
diff --git a/src/components/MainNavigation.js b/src/components/Navigations/MainNavigation.js
similarity index 96%
rename from src/components/MainNavigation.js
rename to src/components/Navigations/MainNavigation.js
index 13d6dd4..9f7ee18 100644
--- a/src/components/MainNavigation.js
+++ b/src/components/Navigations/MainNavigation.js
@@ -3,7 +3,7 @@
 import React, {useContext} from "react";
 import { Link } from "react-router-dom";
 import "./MainNavigation.css";
-import {AuthContext} from "../AuthProvider";
+import {AuthContext} from "../../AuthProvider";
 
 const MainNavigation = () => {
     const { user, login, logout } = useContext(AuthContext);
diff --git a/src/components/SideNavigation.css b/src/components/Navigations/SideNavigation.css
similarity index 100%
rename from src/components/SideNavigation.css
rename to src/components/Navigations/SideNavigation.css
diff --git a/src/components/SideNavigation.js b/src/components/Navigations/SideNavigation.js
similarity index 84%
rename from src/components/SideNavigation.js
rename to src/components/Navigations/SideNavigation.js
index d1550e6..82e2742 100644
--- a/src/components/SideNavigation.js
+++ b/src/components/Navigations/SideNavigation.js
@@ -3,7 +3,8 @@
 import React, { useEffect, useState } from "react";
 import { Link } from "react-router-dom";
 import "./SideNavigation.css";
-import {fetchWithCache} from "../utils/fetchWithCache";
+import {fetchWithCache} from "../../utils/fetchWithCache";
+import PermissionGuard from "../PermissionGuard";
 
 const SideNavigation = () => {
     const [markdowns, setMarkdowns] = useState([]);
@@ -40,6 +41,12 @@ const SideNavigation = () => {
     function renderTree(node, basePath = "") {
         return (
             <ul>
+                <li>
+                    <PermissionGuard rolesRequired={["admin", "creator"]} >
+                        <Link to="/markdown/create">Create New Markdown</Link>
+                    </PermissionGuard>
+
+                </li>
                 {Object.entries(node).map(([key, value]) => {
                     if (value.markdown) {
                         return (
@@ -63,7 +70,7 @@ const SideNavigation = () => {
 
     return (
         <nav className="side-navigation">
-            <h3>Markdown Directory</h3>
+        <h3>Markdown Directory</h3>
             {tree ? renderTree(tree) : <p>Loading...</p>}
         </nav>
     );
diff --git a/src/components/PermissionGuard.js b/src/components/PermissionGuard.js
new file mode 100644
index 0000000..c032e6f
--- /dev/null
+++ b/src/components/PermissionGuard.js
@@ -0,0 +1,15 @@
+import {useContext} from "react";
+import {AuthContext} from "../AuthProvider";
+
+const PermissionGuard = ({rolesRequired, children}) => {
+    const { roles = [] } = useContext(AuthContext);
+    const hasPermission = rolesRequired.some((role) => roles.includes(role));
+
+    if (!hasPermission) {
+        console.log("F");
+        return null;
+    }
+    return children;
+}
+
+export default PermissionGuard;
\ No newline at end of file
diff --git a/src/confs/appConfig.js b/src/confs/appConfig.js
index 3059a49..288a164 100644
--- a/src/confs/appConfig.js
+++ b/src/confs/appConfig.js
@@ -20,10 +20,9 @@ const config = async () => {
         redirect_uri: `${appConfig.serverHost}/callback`,
         post_logout_redirect_uri: appConfig.serverHost,
         response_type: "code",
-        scope: "openid profile email",
+        scope: "openid profile email roles",
 
     };
-    console.log(appConfig);
 };