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Redirect special OpenAPI endpoints for custom base URLs (#72)
Redirect all non-major version prefix URLs to major-version prefix URLs for the special OpenAPI docs endpoints: - docs_url: /extensions/docs - redoc_url: /extensions/redoc - openapi_url: /extensions/openapi.json
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Original file line number | Diff line number | Diff line change |
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import urllib.parse | ||
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from starlette.middleware.base import BaseHTTPMiddleware | ||
from starlette.requests import Request | ||
from starlette.responses import RedirectResponse | ||
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from optimade.server.routers.utils import BASE_URL_PREFIXES | ||
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from aiida_optimade.utils import OPEN_API_ENDPOINTS | ||
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class RedirectOpenApiDocs(BaseHTTPMiddleware): | ||
"""Redirect URLs from non-major version prefix URLs to major-version prefix URLs | ||
This is relevant for the OpenAPI JSON, Docs, and ReDocs URLs. | ||
""" | ||
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async def dispatch(self, request: Request, call_next): | ||
parsed_url = urllib.parse.urlsplit(str(request.url)) | ||
for endpoint in OPEN_API_ENDPOINTS.values(): | ||
# Important to start with the longest (or full) URL prefix first. | ||
for version_prefix in [ | ||
BASE_URL_PREFIXES["patch"], | ||
BASE_URL_PREFIXES["minor"], | ||
]: | ||
if parsed_url.path.endswith(f"{version_prefix}{endpoint}"): | ||
new_path = parsed_url.path.replace( | ||
f"{version_prefix}", f"{BASE_URL_PREFIXES['major']}" | ||
) | ||
redirect_url = ( | ||
f"{parsed_url.scheme}://{parsed_url.netloc}{new_path}" | ||
f"?{parsed_url.query}" | ||
) | ||
return RedirectResponse(redirect_url) | ||
response = await call_next(request) | ||
return response |
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