feat: add keycloak secrets

src/pages/api/auth/[...nextauth].ts

@@ -3,9 +3,17 @@ import { Account } from "next-auth";
 import { User } from "next-auth";
 import { JWT } from "next-auth/jwt";
 import KeycloakProvider from "next-auth/providers/keycloak";
+import VaultModule from "../../../../vault/VaultModule"
 
 import { refreshAccessToken } from "../../../lib/auth";
 
+
+const vaultModule = new VaultModule("integrated");
+const keycloakClientId = vaultModule.readSecret("kv/data/integrated/keycloak_client_id")
+const keycloakClientSecret = vaultModule.readSecret("kv/data/integrated/keycloak_client_secret")
+const nextauthSecret = vaultModule.readSecret("kv/data/integrated/nextauth_secret")
+
+
 interface ExtendedToken extends JWT {
   accessToken: string;
   refreshToken: string;
@@ -14,75 +22,83 @@ interface ExtendedToken extends JWT {
   user: User;
 }
 
-export default NextAuth({
-  debug: true,
-  providers: [
-    KeycloakProvider({
-      clientId: process.env.KEYCLOAK_CLIENT_ID ?? "",
-      clientSecret: process.env.KEYCLOAK_CLIENT_SECRET ?? "",
-      issuer: process.env.KEYCLOAK_URL ?? "",
-    }),
-  ],
+export default async() => {
+  const clientId = await keycloakClientId;
+  const clientSecret = await keycloakClientSecret;
+  const authSecret = await nextauthSecret;
 
-  callbacks: {
-    //@ts-ignore
-    async jwt({
-      token,
-      user,
-      account,
-    }: {
-      token: JWT;
-      user: User;
-      account: Account;
-    }) {
-      // Initial sign in
-      //console.log("jwt", { token, user, account });
-      if (account && user) {
-        return {
-          accessToken: account.access_token,
-          refreshToken: account.refresh_token,
-          idToken: account.id_token,
-          accessTokenExpires: account.expires_at
-            ? account.expires_at * 1000
-            : null,
-          user,
-        };
-      }
+  return await NextAuth({
+    debug: true,
+    providers: [
+      KeycloakProvider({
+        clientId: clientId ?? "",
+        clientSecret: clientSecret ?? "",
+        issuer: process.env.KEYCLOAK_URL ?? "",
+      }),
+    ],
+    secret: authSecret,
 
-      // Return previous token if the access token has not expired yet
-      if (
-        token.accessTokenExpires &&
-        Date.now() < Number(token.accessTokenExpires)
-      ) {
-        return token as ExtendedToken;
-      }
+    callbacks: {
+      //@ts-ignore
+      async jwt({
+                  token,
+                  user,
+                  account,
+                }: {
+        token: JWT;
+        user: User;
+        account: Account;
+      }) {
+        // Initial sign in
+        //console.log("jwt", { token, user, account });
+        if (account && user) {
+          return {
+            accessToken: account.access_token,
+            refreshToken: account.refresh_token,
+            idToken: account.id_token,
+            accessTokenExpires: account.expires_at
+                ? account.expires_at * 1000
+                : null,
+            user,
+          };
+        }
 
-      // Access token has expired, try to update it
-      return refreshAccessToken(token);
-    },
-    // @ts-ignore
-    async session({
-      session,
-      token,
-    }: {
-      session: Session;
-      token: ExtendedToken;
-    }) {
-      if (token) {
-        session.user = token.user;
-        //@ts-ignore
-        session.accessToken = token.accessToken;
-        //@ts-ignore
-        session.refreshToken = token.refreshToken;
-        //@ts-ignore
-        session.idToken = token.idToken;
-        //@ts-ignore
-        session.accessTokenExpires = token.accessTokenExpires;
-        //@ts-ignore
-        session.error = token.error;
-      }
+        // Return previous token if the access token has not expired yet
+        if (
+            token.accessTokenExpires &&
+            Date.now() < Number(token.accessTokenExpires)
+        ) {
+          return token as ExtendedToken;
+        }
 
-      return session;
+        // Access token has expired, try to update it
+        return refreshAccessToken(token);
+      },
+      // @ts-ignore
+      async session({
+                      session,
+                      token,
+                    }: {
+        session: Session;
+        token: ExtendedToken;
+      }) {
+        if (token) {
+          session.user = token.user;
+          //@ts-ignore
+          session.accessToken = token.accessToken;
+          //@ts-ignore
+          session.refreshToken = token.refreshToken;
+          //@ts-ignore
+          session.idToken = token.idToken;
+          //@ts-ignore
+          session.accessTokenExpires = token.accessTokenExpires;
+          //@ts-ignore
+          session.error = token.error;
+        }
+
+        return session;
+      },
     },
-  },
-});
+  });
+
+}

vault/VaultModule.js

@@ -0,0 +1,65 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+const fs = __importStar(require("fs"));
+const vault = require("node-vault");
+class VaultModule {
+    constructor(vaultRole) {
+        this.vaultClient = vault({
+            apiVersion: 'v1',
+            endpoint: "http://vault.vault-dev.svc:8200",
+        });
+        this.vaultRole = vaultRole;
+        this.isKubelogged = false;
+    }
+    async readSecret(path) {
+        const JWT_TOKEN_FILE = "/var/run/secrets/kubernetes.io/serviceaccount/token";
+        const jwt = fs.readFileSync(JWT_TOKEN_FILE);
+        if (!this.isKubelogged) {
+            try {
+                const result = await this.vaultClient.kubernetesLogin({
+                    "role": this.vaultRole,
+                    "jwt": jwt.toString()
+                });
+                this.vaultClient.token = result.auth.client_token;
+            }
+            catch (error) {
+                console.error('Error authenticating to vault instance:', error.message);
+                throw error;
+            }
+            this.isKubelogged = true;
+        }
+        try {
+            const { data } = await this.vaultClient.read(path);
+            const obj = Object.keys(data.data);
+            return data.data[obj[0]];
+        }
+        catch (error) {
+            console.error('Error reading secret:', error.message);
+            throw error;
+        }
+    }
+}
+exports.default = VaultModule;

vault/VaultModule.ts

@@ -0,0 +1,48 @@
+import * as fs from 'fs';
+
+const vault = require("node-vault");
+
+
+class VaultModule {
+    private vaultClient: any;
+    private readonly vaultRole: string
+    private isKubelogged: boolean
+
+    constructor(vaultRole: string) {
+        this.vaultClient = vault({
+            apiVersion: 'v1',
+            endpoint: "http://vault.vault-dev.svc:8200",
+        });
+        this.vaultRole = vaultRole
+        this.isKubelogged = false
+    }
+
+    async readSecret(path: string): Promise<any> {
+        const JWT_TOKEN_FILE="/var/run/secrets/kubernetes.io/serviceaccount/token";
+        const jwt = fs.readFileSync(JWT_TOKEN_FILE);
+
+        if (!this.isKubelogged) {
+            try {
+                const result = await this.vaultClient.kubernetesLogin({
+                "role": this.vaultRole,
+                "jwt": jwt.toString()
+            });
+                this.vaultClient.token = result.auth.client_token;
+            } catch (error) {
+                console.error('Error authenticating to vault instance:', error.message);
+                throw error;
+            }
+            this.isKubelogged = true
+        }
+        try {
+            const res = await this.vaultClient.read(path);
+            let obj = Object.keys(res.data.data)
+            return res.data.data[obj[0]]
+        } catch (error) {
+            console.error('Error reading secret:', error.message);
+            throw error;
+        }
+    }
+}
+
+export default VaultModule;

vault/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "vault-integrated",
+  "version": "1.0.0",
+  "description": "Vault integrated for template application",
+  "main": "app.js",
+  "scripts": {
+    "build": "tsc",
+    "start": "node index.ts"
+  },
+  "dependencies": {
+    "node-vault": "^0.10.2"
+  },
+  "devDependencies": {
+    "typescript": "5.1.6"
+  },
+  "engines": {
+    "node": "18.11.17"
+  }
+}

vault/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "es2018",
+    "module": "commonjs",
+    "outDir": ".",
+    "rootDir": ".",
+    "strict": true,
+    "esModuleInterop": true
+  },
+  "include": [
+    "*.ts"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}