websocket upload notification - closed #24 (#25)

* Render when a new asset is uploaded from WebSocket notification
* Update Readme

server/src/modules/immich-jwt/immich-jwt.service.ts

@@ -1,6 +1,7 @@
-import { Injectable } from '@nestjs/common';
+import { Injectable, Logger } from '@nestjs/common';
 import { JwtService } from '@nestjs/jwt';
 import { JwtPayloadDto } from '../../api-v1/auth/dto/jwt-payload.dto';
+import { jwtSecret } from '../../constants/jwt.constant';
 
 @Injectable()
 export class ImmichJwtService {
@@ -11,4 +12,20 @@ export class ImmichJwtService {
       ...payload,
     });
   }
+
+  public async validateToken(accessToken: string) {
+    try {
+      const payload = await this.jwtService.verify(accessToken, { secret: jwtSecret });
+      return {
+        userId: payload['userId'],
+        status: true,
+      };
+    } catch (e) {
+      Logger.error('Error validating token from websocket request', 'ValidateWebsocketToken');
+      return {
+        userId: null,
+        status: false,
+      };
+    }
+  }
 }