Update Registration to new auth method

package.json

@@ -19,6 +19,7 @@
   "devDependencies": {
     "@types/jsonwebtoken": "^9.0.4",
     "@types/node": "^20.5.3",
+    "@types/node-forge": "^1.3.8",
     "@typescript-eslint/eslint-plugin": "^6.4.1",
     "@typescript-eslint/parser": "^6.4.1",
     "eslint": "^8.47.0",
@@ -41,7 +42,9 @@
     "fastify-metrics": "^10.3.2",
     "fastify-type-provider-zod": "^1.1.9",
     "jsonwebtoken": "^9.0.2",
+    "nanoid": "^3.3.6",
     "neat-config": "^2.0.0",
+    "node-forge": "^1.3.1",
     "prom-client": "^15.0.0",
     "type-fest": "^4.2.0",
     "winston": "^3.10.0",

pnpm-lock.yaml

@@ -29,9 +29,15 @@ dependencies:
   jsonwebtoken:
     specifier: ^9.0.2
     version: 9.0.2
+  nanoid:
+    specifier: ^3.3.6
+    version: 3.3.6
   neat-config:
     specifier: ^2.0.0
     version: 2.0.0
+  node-forge:
+    specifier: ^1.3.1
+    version: 1.3.1
   prom-client:
     specifier: ^15.0.0
     version: 15.0.0
@@ -55,6 +61,9 @@ devDependencies:
   '@types/node':
     specifier: ^20.5.3
     version: 20.8.9
+  '@types/node-forge':
+    specifier: ^1.3.8
+    version: 1.3.8
   '@typescript-eslint/eslint-plugin':
     specifier: ^6.4.1
     version: 6.9.0(@typescript-eslint/parser@6.9.0)(eslint@8.52.0)(typescript@5.2.2)
@@ -447,6 +456,12 @@ packages:
     resolution: {integrity: sha512-/BJF3NT0pRMuxrenr42emRUF67sXwcZCd+S1ksG/Fcf9O7C3kKCY4uJSbKBE4KDUIYr3WMsvfmWD8hRjXExBJQ==}
     dev: false
 
+  /@types/node-forge@1.3.8:
+    resolution: {integrity: sha512-vGXshY9vim9CJjrpcS5raqSjEfKlJcWy2HNdgUasR66fAnVEYarrf1ULV4nfvpC1nZq/moA9qyqBcu83x+Jlrg==}
+    dependencies:
+      '@types/node': 20.8.9
+    dev: true
+
   /@types/node@20.8.9:
     resolution: {integrity: sha512-UzykFsT3FhHb1h7yD4CA4YhBHq545JC0YnEz41xkipN88eKQtL6rSgocL5tbAP6Ola9Izm/Aw4Ora8He4x0BHg==}
     dependencies:
@@ -1930,6 +1945,12 @@ packages:
     engines: {node: '>=12.0.0'}
     dev: true
 
+  /nanoid@3.3.6:
+    resolution: {integrity: sha512-BGcqMMJuToF7i1rt+2PWSNVnWIkGCU78jBG3RxO/bZlnZPK2Cmi2QaffxGO/2RvWi9sL+FAiRiXMgsyxQ1DIDA==}
+    engines: {node: ^10 || ^12 || ^13.7 || ^14 || >=15.0.1}
+    hasBin: true
+    dev: false
+
   /natural-compare@1.4.0:
     resolution: {integrity: sha512-OWND8ei3VtNC9h7V60qff3SVobHr996CTwgxubgyQYEpg290h9J0buyECNNJexkFm5sOajh5G116RYA1c8ZMSw==}
     dev: true
@@ -1941,6 +1962,11 @@ packages:
       zod: 3.22.4
     dev: false
 
+  /node-forge@1.3.1:
+    resolution: {integrity: sha512-dPEtOeMvF9VMcYV/1Wb8CPoVAXtp6MKMlcbAt4ddqmGqUJ6fQZFXkNZNkNlfevtNkGtaSoXf/vNNNSvgrdXwtA==}
+    engines: {node: '>= 6.13.0'}
+    dev: false
+
   /nodemon@3.0.1:
     resolution: {integrity: sha512-g9AZ7HmkhQkqXkRc20w+ZfQ73cHLbE8hnPbtaFbFtCumZsjyMhKk9LajQ07U5Ux28lvFjZ5X7HvWR1xzU8jHVw==}
     engines: {node: '>=10'}

src/db/models/ChallengeCode.ts

@@ -0,0 +1,43 @@
+import { Entity, PrimaryKey, Property } from '@mikro-orm/core';
+import { randomUUID } from 'crypto';
+
+// 30 seconds
+const CHALLENGE_EXPIRY_MS = 3000000 * 1000;
+
+@Entity({ tableName: 'challenge_codes' })
+export class ChallengeCode {
+  @PrimaryKey({ name: 'code', type: 'uuid' })
+  code: string = randomUUID();
+
+  @Property({ name: 'stage', type: 'text' })
+  stage!: 'registration' | 'login';
+
+  @Property({ name: 'auth_type' })
+  authType!: 'mnemonic';
+
+  @Property({ type: 'date' })
+  createdAt: Date = new Date();
+
+  @Property({ type: 'date' })
+  expiresAt: Date = new Date(Date.now() + CHALLENGE_EXPIRY_MS);
+}
+
+export interface ChallengeCodeDTO {
+  code: string;
+  stage: string;
+  authType: string;
+  createdAt: string;
+  expiresAt: string;
+}
+
+export function formatChallengeCode(
+  challenge: ChallengeCode,
+): ChallengeCodeDTO {
+  return {
+    code: challenge.code,
+    stage: challenge.stage,
+    authType: challenge.authType,
+    createdAt: challenge.createdAt.toISOString(),
+    expiresAt: challenge.expiresAt.toISOString(),
+  };
+}

src/db/models/Session.ts

@@ -6,7 +6,7 @@ export class Session {
   @PrimaryKey({ name: 'id', type: 'uuid' })
   id: string = randomUUID();
 
-  @Property({ name: 'user', type: 'uuid' })
+  @Property({ name: 'user', type: 'text' })
   user!: string;
 
   @Property({ type: 'date' })

src/db/models/User.ts

@@ -1,5 +1,5 @@
-import { Entity, PrimaryKey, Property, types } from '@mikro-orm/core';
-import { randomUUID } from 'crypto';
+import { Entity, Index, PrimaryKey, Property, types } from '@mikro-orm/core';
+import { nanoid } from 'nanoid';
 
 export type UserProfile = {
   colorA: string;
@@ -9,8 +9,12 @@ export type UserProfile = {
 
 @Entity({ tableName: 'users' })
 export class User {
-  @PrimaryKey({ name: 'id', type: 'uuid' })
-  id: string = randomUUID();
+  @PrimaryKey({ name: 'id', type: 'text' })
+  id: string = nanoid(12);
+
+  @Property({ name: 'public_key', type: 'text' })
+  @Index()
+  publicKey!: string;
 
   @Property({ name: 'namespace' })
   namespace!: string;
@@ -18,9 +22,6 @@ export class User {
   @Property({ type: 'date' })
   createdAt: Date = new Date();
 
-  @Property({ type: 'text' })
-  name!: string;
-
   @Property({ name: 'permissions', type: types.array })
   roles: string[] = [];
 
@@ -34,7 +35,7 @@ export class User {
 export interface UserDTO {
   id: string;
   namespace: string;
-  name: string;
+  publicKey: string;
   roles: string[];
   createdAt: string;
   profile: {
@@ -48,7 +49,7 @@ export function formatUser(user: User): UserDTO {
   return {
     id: user.id,
     namespace: user.namespace,
-    name: user.name,
+    publicKey: user.publicKey,
     roles: user.roles,
     createdAt: user.createdAt.toISOString(),
     profile: {

src/modules/jobs/list/challengeCode.ts

@@ -0,0 +1,15 @@
+import { ChallengeCode } from '@/db/models/ChallengeCode';
+import { job } from '@/modules/jobs/job';
+
+// every day at 12:00:00
+export const sessionExpiryJob = job('0 12 * * *', async ({ em }) => {
+  await em
+    .createQueryBuilder(ChallengeCode)
+    .delete()
+    .where({
+      expiresAt: {
+        $lt: new Date(),
+      },
+    })
+    .execute();
+});

src/routes/auth/manage.ts

@@ -1,3 +1,4 @@
+import { ChallengeCode, formatChallengeCode } from '@/db/models/ChallengeCode';
 import { formatSession } from '@/db/models/Session';
 import { User, formatUser } from '@/db/models/User';
 import { getMetrics } from '@/modules/metrics';
@@ -6,40 +7,91 @@ import { handle } from '@/services/handler';
 import { makeRouter } from '@/services/router';
 import { makeSession, makeSessionToken } from '@/services/session';
 import { z } from 'zod';
+import { nanoid } from 'nanoid';
+import forge from 'node-forge';
+import { StatusError } from '@/services/error';
+import { t } from '@mikro-orm/core';
 
-const registerSchema = z.object({
+const startSchema = z.object({
+  captchaToken: z.string().optional(),
+});
+
+const completeSchema = z.object({
+  publicKey: z.string(),
+  challenge: z.object({
+    code: z.string(),
+    signature: z.string(),
+  }),
   namespace: z.string().min(1),
-  name: z.string().max(500).min(1),
   device: z.string().max(500).min(1),
   profile: z.object({
     colorA: z.string(),
     colorB: z.string(),
     icon: z.string(),
   }),
-  captchaToken: z.string().optional(),
 });
 
 export const manageAuthRouter = makeRouter((app) => {
   app.post(
-    '/auth/register',
-    { schema: { body: registerSchema } },
-    handle(async ({ em, body, req }) => {
+    '/auth/register/start',
+    { schema: { body: startSchema } },
+    handle(async ({ em, body }) => {
       await assertCaptcha(body.captchaToken);
 
+      const challenge = new ChallengeCode();
+      challenge.authType = 'mnemonic';
+      challenge.stage = 'registration';
+
+      await em.persistAndFlush(challenge);
+
+      return {
+        challenge: challenge.code,
+      };
+    }),
+  );
+
+  app.post(
+    '/auth/register/complete',
+    { schema: { body: completeSchema } },
+    handle(async ({ em, body, req }) => {
+      const now = Date.now();
+
+      const challenge = await em.findOne(ChallengeCode, {
+        code: body.challenge.code,
+      });
+
+      if (!challenge) throw new StatusError('Challenge Code Invalid', 401);
+
+      if (challenge.expiresAt.getTime() <= now)
+        throw new StatusError('Challenge Code Expired', 401);
+
+      const verifiedChallenge = forge.pki.ed25519.verify({
+        publicKey: new forge.util.ByteStringBuffer(
+          Buffer.from(body.publicKey, 'base64url'),
+        ),
+        encoding: 'utf8',
+        signature: new forge.util.ByteStringBuffer(
+          Buffer.from(body.challenge.signature, 'base64url'),
+        ),
+        message: body.challenge.code,
+      });
+
+      if (!verifiedChallenge)
+        throw new StatusError('Challenge Code Signature Invalid', 401);
+
+      em.remove(challenge);
+
       const user = new User();
       user.namespace = body.namespace;
-      user.name = body.name;
+      user.publicKey = body.publicKey;
       user.profile = body.profile;
-
       const session = makeSession(
         user.id,
         body.device,
         req.headers['user-agent'],
       );
-
       await em.persistAndFlush([user, session]);
       getMetrics().user.inc({ namespace: body.namespace }, 1);
-
       return {
         user: formatUser(user),
         session: formatSession(session),

src/routes/users/edit.ts

@@ -33,7 +33,6 @@ export const userEditRouter = makeRouter((app) => {
       if (auth.user.id !== user.id)
         throw new StatusError('Cannot modify user other than yourself', 403);
 
-      if (body.name) user.name = body.name;
       if (body.profile) user.profile = body.profile;
 
       await em.persistAndFlush(user);