feat: add API token authentication

api/rcond.yaml

@@ -8,6 +8,17 @@ servers:
   - url: http://localhost:8080
     description: Local development server
 
+components:
+  securitySchemes:
+    ApiKeyAuth:
+      type: apiKey
+      in: header
+      name: X-API-Token
+      description: API token for authentication
+
+security:
+  - ApiKeyAuth: []
+
 paths:
   /health:
     get:
@@ -57,6 +68,8 @@ paths:
           description: Network interface brought up successfully
         '400':
           description: Invalid request payload
+        '401':
+          description: Unauthorized - invalid or missing API token
         '500':
           description: Internal server error
 
@@ -82,6 +95,8 @@ paths:
           description: Network interface brought down successfully
         '400':
           description: Invalid request payload
+        '401':
+          description: Unauthorized - invalid or missing API token
         '500':
           description: Internal server error
 
@@ -92,6 +107,8 @@ paths:
       responses:
         '200':
           description: Connection profile removed successfully
+        '401':
+          description: Unauthorized - invalid or missing API token
         '500':
           description: Internal server error
 
@@ -108,6 +125,8 @@ paths:
                 type: string
                 description: Current hostname
                 example: "MyHostname"
+        '401':
+          description: Unauthorized - invalid or missing API token
         '500':
           description: Internal server error
     post:
@@ -131,6 +150,7 @@ paths:
           description: Hostname set successfully
         '400':
           description: Invalid request payload
+        '401':
+          description: Unauthorized - invalid or missing API token
         '500':
           description: Internal server error
-