feat: add self-enrolling Windows Agent package

backend/app/agent_enrollment/router.py

@@ -3,7 +3,7 @@
 from typing import Annotated
 from uuid import UUID
 
-from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
+from fastapi import APIRouter, Depends, HTTPException, Query, Request, Response, status
 
 from app.agent_enrollment.dependencies import get_agent_enrollment_service
 from app.agent_enrollment.exceptions import (
@@ -17,8 +17,15 @@ from app.agent_enrollment.models import (
     AgentEnrollmentListResponse,
     AgentEnrollRequest,
     AgentEnrollResponse,
+    AgentWindowsPackageRequest,
 )
 from app.agent_enrollment.service import AgentEnrollmentService
+from app.agent_packages.windows import (
+    AgentWindowsPackageError,
+    AgentWindowsPackageSourceError,
+    build_windows_agent_package,
+    normalize_hub_url,
+)
 from app.identity import require_permission
 
 
@@ -85,6 +92,50 @@ def list_agent_enrollments(
     )
 
 
+
+@router.post("/api/agent-enrollments/windows-package")
+def download_windows_agent_package(
+    package_request: AgentWindowsPackageRequest,
+    http_request: Request,
+    current_user: EnrollmentManager,
+) -> Response:
+    del current_user
+
+    browser_origin = http_request.headers.get("origin", "").strip()
+
+    try:
+        hub_url = normalize_hub_url(browser_origin)
+    except AgentWindowsPackageError as exc:
+        raise HTTPException(
+            status_code=400,
+            detail=(
+                "Windows Agent package downloads require "
+                "a valid browser Origin"
+            ),
+        ) from exc
+
+    try:
+        package = build_windows_agent_package(
+            enrollment_token=package_request.token,
+            hub_url=hub_url,
+        )
+    except AgentWindowsPackageSourceError as exc:
+        raise HTTPException(status_code=503, detail=str(exc)) from exc
+    except AgentWindowsPackageError as exc:
+        raise HTTPException(status_code=400, detail=str(exc)) from exc
+
+    return Response(
+        content=package,
+        media_type="application/zip",
+        headers={
+            "Cache-Control": "no-store",
+            "Pragma": "no-cache",
+            "Content-Disposition": (
+                'attachment; filename="MinerOpsAgent-Windows.zip"'
+            ),
+        },
+    )
+
 @router.post(
     "/api/agent/enroll",
     response_model=AgentEnrollResponse,