Added API key validation, JWT validation, Twitch OAuth validation, API key fetching. Needs severe clean up.

.gitignore

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+dist/*
+node_modules/*
+.env

package.json

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+{
+  "name": "hermes-web-express",
+  "version": "1.0.0",
+  "main": "src/index.js",
+  "scripts": {
+    "build": "npx tsc",
+    "start": "node dist/index.js",
+    "dev": "nodemon src/index.ts"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "dotenv": "^16.4.5",
+    "express": "^4.21.1",
+    "express-rate-limit": "^7.4.1",
+    "express-session": "^1.18.1",
+    "helmet": "^8.0.0",
+    "jsonwebtoken": "^9.0.2",
+    "passport": "^0.7.0",
+    "passport-jwt": "^4.0.1",
+    "passport-local": "^1.0.0",
+    "passport-openidconnect": "^0.1.2",
+    "pg-promise": "^11.10.1",
+    "typed-rest-client": "^2.1.0"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.0",
+    "@types/node": "^22.7.5",
+    "concurrently": "^9.0.1",
+    "nodemon": "^3.1.7",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.6.3"
+  }
+}

src/index.ts

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+import express, { Express, Request, Response } from "express";
+import pgPromise from "pg-promise";
+import rateLimit from "express-rate-limit";
+import helmet from "helmet";
+import dotenv from "dotenv";
+import * as httpm from 'typed-rest-client/HttpClient';
+
+dotenv.config();
+
+if (!process.env.CONNECTION_STRING) {
+    throw new Error("Cannot find connection string.");
+}
+
+const pgp = pgPromise({});
+const db = pgp(process.env.CONNECTION_STRING as string);
+
+const limiter = rateLimit({
+    legacyHeaders: true,
+    standardHeaders: true,
+    windowMs: 15 * 60 * 1000,
+    limit: 200,
+    max: 2,
+    message: "Too many requests, please try again later.",
+    keyGenerator: (req: Request) => req.ip as string,
+});
+
+const app: Express = express();
+const port = process.env.PORT || 3000;
+
+app.use(express.json());
+app.use(express.urlencoded());
+
+var jwt = require('jsonwebtoken');
+const passport = require('passport');
+const JwtStrat = require('passport-jwt').Strategy;
+const ExtractJwt = require('passport-jwt').ExtractJwt;
+passport.use(new JwtStrat({
+    jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
+    secretOrKey: process.env.JWT_SECRET,
+}, async (jwt_payload: any, done: any) => {
+    console.log('jwt payload', jwt_payload);
+    const user = await db.oneOrNone('SELECT id, name, role, "ttsDefaultVoice" FROM "User" WHERE id = $1', jwt_payload.id);
+    console.log('jwt user', user)
+    if (user) {
+        done(null, user);
+    } else {
+        done(null, false);
+    }
+}));
+const session = require('express-session')
+const OpenIDConnectStrategy = require('passport-openidconnect');
+app.use(session({
+    key: 'passport',
+    secret: process.env.AUTH_SECRET,
+    resave: false,
+    saveUninitialized: false,
+}));
+app.use(passport.initialize());
+app.use(passport.session());
+app.set('trust proxy', true);
+
+passport.use(new OpenIDConnectStrategy({
+    issuer: 'https://id.twitch.tv/oauth2',
+    authorizationURL: 'https://id.twitch.tv/oauth2/authorize',
+    tokenURL: 'https://id.twitch.tv/oauth2/token',
+    clientID: process.env.AUTH_CLIENT_ID,
+    clientSecret: process.env.AUTH_CLIENT_SECRET,
+    callbackURL: process.env.AUTH_REDIRECT_URI,
+    scope: 'user_read'
+}, async (url: any, profile: any, something: any, done: any) => {
+    console.log('login', 'pus:', profile, url, something);
+    const account: any = await db.oneOrNone('SELECT "userId" FROM "Account" WHERE "providerAccountId" = $1', profile.id);
+    if (account != null) {
+        const user: any = await db.oneOrNone('SELECT id, name, role, "ttsDefaultVoice" FROM "User" WHERE id = $1', account.userId);
+        if (user.name != profile.username) {
+            db.none('UPDATE "User" SET name = $1 WHERE id = $2', [profile.username, profile.id]);
+            user.name = profile.username;
+        }
+        const impersonationId = await db.oneOrNone('SELECT "targetId" FROM "Impersonation" WHERE "sourceId" = $1', profile.id);
+        if (impersonationId) {
+            const impersonation = await db.oneOrNone('SELECT id, name, role, "ttsDefaultVoice" FROM "User" WHERE id = $1', impersonationId.targetId);
+            if (impersonation) {
+                user.impersonation = impersonation;
+            }
+        }
+        return done(null, user);
+    }
+    return done(new Error('Account does not exist.'), null);
+}
+));
+
+passport.serializeUser((user: any, done: any) => {
+    if (!user)
+        return done(new Error('user is null'), null);
+    return done(null, user);
+});
+
+passport.deserializeUser((user: any, done: any) => {
+    done(null, user);
+});
+
+app.get('/api/auth', passport.authenticate("openidconnect", { failureRedirect: '/login' }), (req: Request, res: Response) => {
+    res.send('');
+});
+
+app.get('/api/auth/jwt', passport.authenticate("jwt"), (req: Request, res: Response) => {
+    res.send({ authenticated: true });
+});
+
+app.get('/api/loggedin', (req: any, res: Response) => {
+    res.send(['test test test ', req.user ? 'yes' : 'no']);
+});
+
+async function isApiKeyAuthenticated(req: any, res: any, next: any) {
+    const key = req.get('x-api-key');
+    if (key && !req.user) {
+        const data = await db.oneOrNone('SELECT "userId" from "ApiKey" WHERE id = $1', key);
+        if (data) {
+            console.log(data);
+            const user = await db.oneOrNone('SELECT id, name, role, "ttsDefaultVoice" FROM "User" WHERE id = $1', data.userId);
+            const impersonationId = await db.oneOrNone('SELECT "targetId" FROM "Impersonation" WHERE "sourceId" = $1', data.userId);
+            if (impersonationId) {
+                const impersonation = await db.oneOrNone('SELECT id, name, role, "ttsDefaultVoice" FROM "User" WHERE id = $1', impersonationId.targetId);
+                if (impersonation) {
+                    user.impersonation = impersonation;
+                }
+            }
+            req.user = user
+        }
+    }
+    next()
+}
+
+function isWebAuthenticated(req: any, res: any, next: () => void) {
+    console.log('web authentication', req.user, req.sessionID, req.session);
+    if (req.user) {
+        next();
+        return;
+    }
+    res.status(401).send({ message: 'User is not authenticated.' });
+}
+
+const apiMiddlewares = [isApiKeyAuthenticated, passport.authenticate('jwt', { session: false }), isWebAuthenticated]
+
+app.get('/api/keys', apiMiddlewares, async (req: any, res: any, next: any) => {
+    const userId = req.user.id;
+    const data = await db.manyOrNone('SELECT id, label FROM "ApiKey" WHERE "userId" = $1', userId);
+    res.send(data);
+});
+
+app.post("/api/auth/twitch/callback", async (req: any, res: any) => {
+    console.log(req.headers['user-agent'])
+    const query = `client_id=${process.env.AUTH_CLIENT_ID}&client_secret=${process.env.AUTH_CLIENT_SECRET}&code=${req.body.code}&grant_type=authorization_code&redirect_uri=${process.env.AUTH_REDIRECT_URI}`
+    const rest = new httpm.HttpClient(null);
+    const response = await rest.post('https://id.twitch.tv/oauth2/token', query, {
+        'Content-Type': 'application/x-www-form-urlencoded'
+    });
+    const body = await response.readBody();
+    const data = JSON.parse(body);
+    if (!data || data.message) {
+        console.log('Failed to validate Twitch code authentication:', data);
+        res.send({ authenticated: false });
+        return;
+    }
+    console.log('Successfully validated Twitch code authentication. Attempting to read user data from Twitch.')
+
+    const resp = await rest.get('https://api.twitch.tv/helix/users', {
+        'Authorization': 'Bearer ' + data.access_token,
+        'Client-Id': process.env.AUTH_CLIENT_ID
+    });
+    const b = await resp.readBody();
+    const twitch = JSON.parse(b);
+    if (!twitch?.data) {
+        res.send({ authenticated: false });
+        return;
+    }
+
+    console.log('twitch data', twitch.data[0])
+
+    const account: any = await db.oneOrNone('SELECT "userId" FROM "Account" WHERE "providerAccountId" = $1', twitch.data[0].id);
+    if (account != null) {
+        const user: any = await db.one('SELECT id FROM "User" WHERE id = $1', account.userId);
+        console.log('userrrr', user)
+
+        const token = jwt.sign({ id: user.id }, process.env.JWT_SECRET, { expiresIn: '30d' });
+        res.send({ authenticated: true, token: token });
+        return;
+    }
+    res.send({ authenticated: false });
+});
+
+app.use(helmet());
+app.use(limiter);
+
+app.listen(port, () => {
+    console.log(`[server]: Server is running at http://localhost:${port}`);
+});

tsconfig.json

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+{
+  "compilerOptions": {
+    /* Visit https://aka.ms/tsconfig to read more about this file */
+
+    /* Projects */
+    // "incremental": true,                              /* Save .tsbuildinfo files to allow for incremental compilation of projects. */
+    // "composite": true,                                /* Enable constraints that allow a TypeScript project to be used with project references. */
+    // "tsBuildInfoFile": "./.tsbuildinfo",              /* Specify the path to .tsbuildinfo incremental compilation file. */
+    // "disableSourceOfProjectReferenceRedirect": true,  /* Disable preferring source files instead of declaration files when referencing composite projects. */
+    // "disableSolutionSearching": true,                 /* Opt a project out of multi-project reference checking when editing. */
+    // "disableReferencedProjectLoad": true,             /* Reduce the number of projects loaded automatically by TypeScript. */
+
+    /* Language and Environment */
+    "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
+    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    // "jsx": "preserve",                                /* Specify what JSX code is generated. */
+    // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
+    // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */
+    // "jsxFactory": "",                                 /* Specify the JSX factory function used when targeting React JSX emit, e.g. 'React.createElement' or 'h'. */
+    // "jsxFragmentFactory": "",                         /* Specify the JSX Fragment reference used for fragments when targeting React JSX emit e.g. 'React.Fragment' or 'Fragment'. */
+    // "jsxImportSource": "",                            /* Specify module specifier used to import the JSX factory functions when using 'jsx: react-jsx*'. */
+    // "reactNamespace": "",                             /* Specify the object invoked for 'createElement'. This only applies when targeting 'react' JSX emit. */
+    // "noLib": true,                                    /* Disable including any library files, including the default lib.d.ts. */
+    // "useDefineForClassFields": true,                  /* Emit ECMAScript-standard-compliant class fields. */
+    // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
+
+    /* Modules */
+    "module": "commonjs",                                /* Specify what module code is generated. */
+    // "rootDir": "./",                                  /* Specify the root folder within your source files. */
+    // "moduleResolution": "node10",                     /* Specify how TypeScript looks up a file from a given module specifier. */
+    // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
+    // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
+    // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */
+    // "typeRoots": [],                                  /* Specify multiple folders that act like './node_modules/@types'. */
+    // "types": [],                                      /* Specify type package names to be included without being referenced in a source file. */
+    // "allowUmdGlobalAccess": true,                     /* Allow accessing UMD globals from modules. */
+    // "moduleSuffixes": [],                             /* List of file name suffixes to search when resolving a module. */
+    // "allowImportingTsExtensions": true,               /* Allow imports to include TypeScript file extensions. Requires '--moduleResolution bundler' and either '--noEmit' or '--emitDeclarationOnly' to be set. */
+    // "resolvePackageJsonExports": true,                /* Use the package.json 'exports' field when resolving package imports. */
+    // "resolvePackageJsonImports": true,                /* Use the package.json 'imports' field when resolving imports. */
+    // "customConditions": [],                           /* Conditions to set in addition to the resolver-specific defaults when resolving imports. */
+    // "noUncheckedSideEffectImports": true,             /* Check side effect imports. */
+    // "resolveJsonModule": true,                        /* Enable importing .json files. */
+    // "allowArbitraryExtensions": true,                 /* Enable importing files with any extension, provided a declaration file is present. */
+    // "noResolve": true,                                /* Disallow 'import's, 'require's or '<reference>'s from expanding the number of files TypeScript should add to a project. */
+
+    /* JavaScript Support */
+    // "allowJs": true,                                  /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
+    // "checkJs": true,                                  /* Enable error reporting in type-checked JavaScript files. */
+    // "maxNodeModuleJsDepth": 1,                        /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
+
+    /* Emit */
+    // "declaration": true,                              /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
+    // "declarationMap": true,                           /* Create sourcemaps for d.ts files. */
+    // "emitDeclarationOnly": true,                      /* Only output d.ts files and not JavaScript files. */
+    // "sourceMap": true,                                /* Create source map files for emitted JavaScript files. */
+    // "inlineSourceMap": true,                          /* Include sourcemap files inside the emitted JavaScript. */
+    // "noEmit": true,                                   /* Disable emitting files from a compilation. */
+    // "outFile": "./",                                  /* Specify a file that bundles all outputs into one JavaScript file. If 'declaration' is true, also designates a file that bundles all .d.ts output. */
+    "outDir": "./dist",                                   /* Specify an output folder for all emitted files. */
+    // "removeComments": true,                           /* Disable emitting comments. */
+    // "importHelpers": true,                            /* Allow importing helper functions from tslib once per project, instead of including them per-file. */
+    // "downlevelIteration": true,                       /* Emit more compliant, but verbose and less performant JavaScript for iteration. */
+    // "sourceRoot": "",                                 /* Specify the root path for debuggers to find the reference source code. */
+    // "mapRoot": "",                                    /* Specify the location where debugger should locate map files instead of generated locations. */
+    // "inlineSources": true,                            /* Include source code in the sourcemaps inside the emitted JavaScript. */
+    // "emitBOM": true,                                  /* Emit a UTF-8 Byte Order Mark (BOM) in the beginning of output files. */
+    // "newLine": "crlf",                                /* Set the newline character for emitting files. */
+    // "stripInternal": true,                            /* Disable emitting declarations that have '@internal' in their JSDoc comments. */
+    // "noEmitHelpers": true,                            /* Disable generating custom helper functions like '__extends' in compiled output. */
+    // "noEmitOnError": true,                            /* Disable emitting files if any type checking errors are reported. */
+    // "preserveConstEnums": true,                       /* Disable erasing 'const enum' declarations in generated code. */
+    // "declarationDir": "./",                           /* Specify the output directory for generated declaration files. */
+
+    /* Interop Constraints */
+    // "isolatedModules": true,                          /* Ensure that each file can be safely transpiled without relying on other imports. */
+    // "verbatimModuleSyntax": true,                     /* Do not transform or elide any imports or exports not marked as type-only, ensuring they are written in the output file's format based on the 'module' setting. */
+    // "isolatedDeclarations": true,                     /* Require sufficient annotation on exports so other tools can trivially generate declaration files. */
+    // "allowSyntheticDefaultImports": true,             /* Allow 'import x from y' when a module doesn't have a default export. */
+    "esModuleInterop": true,                             /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
+    // "preserveSymlinks": true,                         /* Disable resolving symlinks to their realpath. This correlates to the same flag in node. */
+    "forceConsistentCasingInFileNames": true,            /* Ensure that casing is correct in imports. */
+
+    /* Type Checking */
+    "strict": true,                                      /* Enable all strict type-checking options. */
+    // "noImplicitAny": true,                            /* Enable error reporting for expressions and declarations with an implied 'any' type. */
+    // "strictNullChecks": true,                         /* When type checking, take into account 'null' and 'undefined'. */
+    // "strictFunctionTypes": true,                      /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */
+    // "strictBindCallApply": true,                      /* Check that the arguments for 'bind', 'call', and 'apply' methods match the original function. */
+    // "strictPropertyInitialization": true,             /* Check for class properties that are declared but not set in the constructor. */
+    // "strictBuiltinIteratorReturn": true,              /* Built-in iterators are instantiated with a 'TReturn' type of 'undefined' instead of 'any'. */
+    // "noImplicitThis": true,                           /* Enable error reporting when 'this' is given the type 'any'. */
+    // "useUnknownInCatchVariables": true,               /* Default catch clause variables as 'unknown' instead of 'any'. */
+    // "alwaysStrict": true,                             /* Ensure 'use strict' is always emitted. */
+    // "noUnusedLocals": true,                           /* Enable error reporting when local variables aren't read. */
+    // "noUnusedParameters": true,                       /* Raise an error when a function parameter isn't read. */
+    // "exactOptionalPropertyTypes": true,               /* Interpret optional property types as written, rather than adding 'undefined'. */
+    // "noImplicitReturns": true,                        /* Enable error reporting for codepaths that do not explicitly return in a function. */
+    // "noFallthroughCasesInSwitch": true,               /* Enable error reporting for fallthrough cases in switch statements. */
+    // "noUncheckedIndexedAccess": true,                 /* Add 'undefined' to a type when accessed using an index. */
+    // "noImplicitOverride": true,                       /* Ensure overriding members in derived classes are marked with an override modifier. */
+    // "noPropertyAccessFromIndexSignature": true,       /* Enforces using indexed accessors for keys declared using an indexed type. */
+    // "allowUnusedLabels": true,                        /* Disable error reporting for unused labels. */
+    // "allowUnreachableCode": true,                     /* Disable error reporting for unreachable code. */
+
+    /* Completeness */
+    // "skipDefaultLibCheck": true,                      /* Skip type checking .d.ts files that are included with TypeScript. */
+    "skipLibCheck": true                                 /* Skip type checking all .d.ts files. */
+  }
+}