[core] Support WAHA_API_KEY as well as env variable

gpt often suggests this env variable, IDK why

.env.example

@@ -23,7 +23,7 @@ WAHA_BASE_URL=http://localhost:3000
 #
 # https://waha.devlike.pro/docs/how-to/security/
 #
-WHATSAPP_API_KEY=admin
+WAHA_API_KEY=admin
 WAHA_DASHBOARD_USERNAME=admin
 WAHA_DASHBOARD_PASSWORD=admin
 #WHATSAPP_SWAGGER_USERNAME=admin

docker-compose/n8n/docker-compose.yaml

@@ -10,7 +10,7 @@ services:
       - './.sessions:/app/.sessions'
       - './.media:/app/.media'
     environment:
-      - WHATSAPP_API_KEY=321
+      - WAHA_API_KEY=321
       - WAHA_DASHBOARD_USERNAME=admin
       - WAHA_DASHBOARD_PASSWORD=admin
       - WHATSAPP_DEFAULT_ENGINE=WEBJS

docker-compose/test/docker-compose.yaml

@@ -29,7 +29,7 @@ services:
       # - WHATSAPP_HOOK_EVENTS=message
       # - WHATSAPP_API_HOSTNAME=localhost
       - WHATSAPP_DEFAULT_ENGINE=WEBJS
-      - WHATSAPP_API_KEY=321
+      - WAHA_API_KEY=321
       # Username and password for Swagger
       - WHATSAPP_SWAGGER_USERNAME=swagger
       - WHATSAPP_SWAGGER_PASSWORD=admin
@@ -55,7 +55,7 @@ services:
       # Environment variables from https://waha.devlike.pro/docs/how-to/config/
       # - WHATSAPP_HOOK_URL=https://webhook.site/11111111-1111-1111-1111-11111111
       # - WHATSAPP_HOOK_EVENTS=message
-      # - WHATSAPP_API_KEY=321
+      # - WAHA_API_KEY=321
       # - WHATSAPP_SWAGGER_USERNAME=admin
       # - WHATSAPP_SWAGGER_PASSWORD=123
       # - WAHA_DASHBOARD_USERNAME=admin

src/config.service.ts

@@ -138,7 +138,10 @@ export class WhatsappConfigService implements OnApplicationBootstrap {
   }
 
   getApiKey(): string | undefined {
-    return this.configService.get('WHATSAPP_API_KEY', '');
+    return (
+      this.configService.get('WHATSAPP_API_KEY', '') ||
+      this.configService.get('WAHA_API_KEY', '')
+    );
   }
 
   getExcludedPaths(): string[] {

src/core/auth/WebSocketAuth.ts

@@ -6,7 +6,7 @@ export class WebSocketAuth {
   private key: string;
 
   constructor() {
-    this.key = process.env.WHATSAPP_API_KEY || '';
+    this.key = process.env.WHATSAPP_API_KEY || process.env.WAHA_API_KEY || '';
   }
 
   verifyClient = (info: any, callback: any) => {