118 lines
4.5 KiB
Python
118 lines
4.5 KiB
Python
"""
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Subscription routes for API Gateway - Direct subscription endpoints
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"""
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from fastapi import APIRouter, Request, Response, HTTPException, Path
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from fastapi.responses import JSONResponse
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import httpx
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import logging
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from typing import Optional
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from app.core.config import settings
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logger = logging.getLogger(__name__)
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router = APIRouter()
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# ================================================================
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# SUBSCRIPTION ENDPOINTS - Direct routing to tenant service
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# ================================================================
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@router.api_route("/subscriptions/{tenant_id}/{path:path}", methods=["GET", "POST", "PUT", "DELETE", "OPTIONS"])
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async def proxy_subscription_endpoints(request: Request, tenant_id: str = Path(...), path: str = ""):
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"""Proxy subscription requests directly to tenant service"""
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target_path = f"/api/v1/subscriptions/{tenant_id}/{path}".rstrip("/")
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return await _proxy_to_tenant_service(request, target_path)
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@router.api_route("/subscriptions/plans", methods=["GET", "OPTIONS"])
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async def proxy_subscription_plans(request: Request):
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"""Proxy subscription plans request to tenant service"""
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target_path = "/api/v1/plans/available"
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return await _proxy_to_tenant_service(request, target_path)
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# ================================================================
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# PROXY HELPER FUNCTIONS
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# ================================================================
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async def _proxy_to_tenant_service(request: Request, target_path: str):
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"""Proxy request to tenant service"""
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return await _proxy_request(request, target_path, settings.TENANT_SERVICE_URL)
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async def _proxy_request(request: Request, target_path: str, service_url: str):
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"""Generic proxy function with enhanced error handling"""
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# Handle OPTIONS requests directly for CORS
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if request.method == "OPTIONS":
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return Response(
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status_code=200,
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headers={
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"Access-Control-Allow-Origin": settings.CORS_ORIGINS_LIST,
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"Access-Control-Allow-Methods": "GET, POST, PUT, DELETE, OPTIONS",
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"Access-Control-Allow-Headers": "Content-Type, Authorization, X-Tenant-ID",
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"Access-Control-Allow-Credentials": "true",
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"Access-Control-Max-Age": "86400"
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}
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)
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try:
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url = f"{service_url}{target_path}"
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# Forward headers and add user/tenant context
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headers = dict(request.headers)
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headers.pop("host", None)
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# Add user context headers if available
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if hasattr(request.state, 'user') and request.state.user:
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user = request.state.user
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headers["x-user-id"] = str(user.get('user_id', ''))
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headers["x-user-email"] = str(user.get('email', ''))
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headers["x-user-role"] = str(user.get('role', 'user'))
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headers["x-user-full-name"] = str(user.get('full_name', ''))
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headers["x-tenant-id"] = str(user.get('tenant_id', ''))
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logger.info(f"Forwarding subscription request to {url} with user context: user_id={user.get('user_id')}, email={user.get('email')}")
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else:
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logger.warning(f"No user context available when forwarding subscription request to {url}")
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# Get request body if present
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body = None
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if request.method in ["POST", "PUT", "PATCH"]:
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body = await request.body()
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# Add query parameters
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params = dict(request.query_params)
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timeout_config = httpx.Timeout(
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connect=30.0,
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read=60.0,
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write=30.0,
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pool=30.0
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)
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async with httpx.AsyncClient(timeout=timeout_config) as client:
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response = await client.request(
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method=request.method,
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url=url,
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headers=headers,
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content=body,
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params=params
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)
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# Handle different response types
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if response.headers.get("content-type", "").startswith("application/json"):
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try:
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content = response.json()
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except:
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content = {"message": "Invalid JSON response from service"}
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else:
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content = response.text
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return JSONResponse(
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status_code=response.status_code,
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content=content
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)
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except Exception as e:
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logger.error(f"Unexpected error proxying subscription request to {service_url}{target_path}: {e}")
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raise HTTPException(
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status_code=500,
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detail="Internal gateway error"
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) |