add guest user functionality

backend/src/managers/auth/auth.module.ts

@@ -10,6 +10,7 @@ import {
 } from '../../config/jwt.lateconfig.service';
 import { PicsurLateConfigModule } from '../../config/lateconfig.module';
 import { AuthManagerService } from './auth.service';
+import { GuestStrategy } from './guards/guest.strategy';
 import { JwtStrategy } from './guards/jwt.strategy';
 import { LocalAuthStrategy } from './guards/localauth.strategy';
 
@@ -28,6 +29,7 @@ import { LocalAuthStrategy } from './guards/localauth.strategy';
     AuthManagerService,
     LocalAuthStrategy,
     JwtStrategy,
+    GuestStrategy,
     JwtSecretProvider,
   ],
   exports: [AuthManagerService],

backend/src/managers/auth/guards/guest.strategy.ts

@@ -0,0 +1,39 @@
+import { Injectable, Logger } from '@nestjs/common';
+import { PassportStrategy } from '@nestjs/passport';
+import { Request } from 'express';
+import { ParamsDictionary } from 'express-serve-static-core';
+import { Strategy } from 'passport-strategy';
+import { ParsedQs } from 'qs';
+
+type ReqType = Request<
+  ParamsDictionary,
+  any,
+  any,
+  ParsedQs,
+  Record<string, any>
+>;
+
+class GuestPassportStrategy extends Strategy {
+  async validate(req: ReqType): Promise<any> {
+    return undefined;
+  }
+
+  override authenticate(req: ReqType, options?: any): void {
+    const user = this.validate(req);
+    req['user'] = user;
+    this.pass();
+  }
+}
+
+@Injectable()
+export class GuestStrategy extends PassportStrategy(
+  GuestPassportStrategy,
+  'guest',
+) {
+  private readonly logger = new Logger('GuestStrategy');
+
+  override async validate(payload: any) {
+    // TODO: add guest user
+    return;
+  }
+}

backend/src/managers/auth/guards/main.guard.ts

@@ -2,4 +2,4 @@ import { Injectable } from '@nestjs/common';
 import { AuthGuard } from '@nestjs/passport';
 
 @Injectable()
-export class JwtAuthGuard extends AuthGuard('jwt') {}
+export class MainAuthGuard extends AuthGuard(['jwt', 'guest']) {}