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Fix proxy client

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This commit is contained in:
Thomas Sileo 2022-12-02 19:28:59 +01:00
parent 34c7cdb5fb
commit 73dceee0f5
1 changed files with 49 additions and 28 deletions
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39
app/main.py
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@ -1180,13 +1180,11 @@ async def nodeinfo(
async def _proxy_get(
request: starlette.requests.Request, url: str, stream: bool
proxy_client: httpx.AsyncClient,
request: starlette.requests.Request,
url: str,
stream: bool,
) -> httpx.Response:
async with httpx.AsyncClient(
follow_redirects=True,
timeout=httpx.Timeout(timeout=10.0),
transport=httpx.AsyncHTTPTransport(retries=1),
) as proxy_client:
# Request the URL (and filter request headers)
proxy_req = proxy_client.build_request(
request.method,
@ -1232,18 +1230,29 @@ async def serve_proxy_media(
exp: int,
sig: str,
encoded_url: str,
background_tasks: fastapi.BackgroundTasks,
) -> StreamingResponse | PlainTextResponse:
# Decode the base64-encoded URL
url = base64.urlsafe_b64decode(encoded_url).decode()
check_url(url)
media.verify_proxied_media_sig(exp, url, sig)
proxy_resp = await _proxy_get(request, url, stream=True)
proxy_client = httpx.AsyncClient(
follow_redirects=True,
timeout=httpx.Timeout(timeout=10.0),
transport=httpx.AsyncHTTPTransport(retries=1),
)
async def _close_proxy_client():
await proxy_client.aclose()
background_tasks.add_task(_close_proxy_client)
proxy_resp = await _proxy_get(proxy_client, request, url, stream=True)
if proxy_resp.status_code >= 300:
logger.info(f"failed to proxy {url}, got {proxy_resp.status_code}")
await proxy_resp.aclose()
return PlainTextResponse(
"proxy error",
status_code=proxy_resp.status_code,
)
@ -1276,6 +1285,7 @@ async def serve_proxy_media_resized(
sig: str,
encoded_url: str,
size: int,
background_tasks: fastapi.BackgroundTasks,
) -> PlainTextResponse:
if size not in {50, 740}:
raise ValueError("Unsupported size")
@ -1293,9 +1303,20 @@ async def serve_proxy_media_resized(
headers=resp_headers,
)
proxy_resp = await _proxy_get(request, url, stream=False)
proxy_client = httpx.AsyncClient(
follow_redirects=True,
timeout=httpx.Timeout(timeout=10.0),
transport=httpx.AsyncHTTPTransport(retries=1),
)
async def _close_proxy_client():
await proxy_client.aclose()
background_tasks.add_task(_close_proxy_client)
proxy_resp = await _proxy_get(proxy_client, request, url, stream=False)
if proxy_resp.status_code >= 300:
logger.info(f"failed to proxy {url}, got {proxy_resp.status_code}")
await proxy_resp.aclose()
return PlainTextResponse(
"proxy error",
status_code=proxy_resp.status_code,