Fix missing eof when writer cancelled #7764
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@webknjaz Would be good if you can check this one over. The changes became more invasive than I originally imagined. Basically, to fix the reported issue, I've changed the code to send the end bytes for a chunked request when the writer is cancelled. But, the method that does the cancellation is not async, so it can't wait for the writer to complete. To accommodate that, I've had to make all the exit/release code wait on the writer, to ensure it's finished writing before the connection can be reused. I've had to make several small changes throughout the code in order to get the tests passing and maintain compatibility. The only behaviour change that can be seen in the tests, is that after a simple |
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I'm going to merge this one too, would be great to get a review in before the final 3.9 release though. |
Backport to 3.9: 💔 cherry-picking failed — conflicts found❌ Failed to cleanly apply 9c07121 on top of patchback/backports/3.9/9c071217f6594cb7da7133e575bea038b488ae80/pr-7764 Backporting merged PR #7764 into master
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Dreamsorcerer
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Nov 3, 2023
Fixes #5220. I believe this is a better fix than #5238. That PR detects that we didn't finish sending a chunked response and then closes the connection. This PR ensures that we simply complete the chunked response by sending the EOF bytes, allowing the connection to remain open and be reused normally. (cherry picked from commit 9c07121)
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Fixes #5220. I believe this is a better fix than #5238. That PR detects that we didn't finish sending a chunked response and then closes the connection. This PR ensures that we simply complete the chunked response by sending the EOF bytes, allowing the connection to remain open and be reused normally. (cherry picked from commit 9c07121)
bdraco
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Nov 7, 2023
…ished aio-libs#7764 ensured the connection was released if the writer was not done yet, but it never cleared the writer so it would schedule callbacks in a loop
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bdraco
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Nov 7, 2023
…ished aio-libs#7764 ensured the connection was released if the writer was not done yet, but it never cleared the writer so it would schedule callbacks in a loop
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[](https://renovatebot.com) This PR contains the following updates: | Package | Change | Age | Adoption | Passing | Confidence | |---|---|---|---|---|---| | [aiohttp](https://togithub.com/aio-libs/aiohttp) | `==3.8.6` -> `==3.9.0` | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | [](https://docs.renovatebot.com/merge-confidence/) | --- ### Release Notes <details> <summary>aio-libs/aiohttp (aiohttp)</summary> ### [`v3.9.0`](https://togithub.com/aio-libs/aiohttp/blob/HEAD/CHANGES.rst#390-2023-11-18) [Compare Source](https://togithub.com/aio-libs/aiohttp/compare/v3.8.6...v3.9.0) \================== ## Features - Introduced `AppKey` for static typing support of `Application` storage. See https://docs.aiohttp.org/en/stable/web_advanced.html#application-s-config `#​5864 <https://github.com/aio-libs/aiohttp/issues/5864>`\_ - Added a graceful shutdown period which allows pending tasks to complete before the application's cleanup is called. The period can be adjusted with the `shutdown_timeout` parameter. -- by :user:`Dreamsorcerer`. See https://docs.aiohttp.org/en/latest/web_advanced.html#graceful-shutdown `#​7188 <https://github.com/aio-libs/aiohttp/issues/7188>`\_ - Added `handler_cancellation <https://docs.aiohttp.org/en/stable/web_advanced.html#web-handler-cancellation>`\_ parameter to cancel web handler on client disconnection. -- by :user:`mosquito` This (optionally) reintroduces a feature removed in a previous release. Recommended for those looking for an extra level of protection against denial-of-service attacks. `#​7056 <https://github.com/aio-libs/aiohttp/issues/7056>`\_ - Added support for setting response header parameters `max_line_size` and `max_field_size`. `#​2304 <https://github.com/aio-libs/aiohttp/issues/2304>`\_ - Added `auto_decompress` parameter to `ClientSession.request` to override `ClientSession._auto_decompress`. -- by :user:`Daste745` `#​3751 <https://github.com/aio-libs/aiohttp/issues/3751>`\_ - Changed `raise_for_status` to allow a coroutine. `#​3892 <https://github.com/aio-libs/aiohttp/issues/3892>`\_ - Added client brotli compression support (optional with runtime check). `#​5219 <https://github.com/aio-libs/aiohttp/issues/5219>`\_ - Added `client_max_size` to `BaseRequest.clone()` to allow overriding the request body size. -- :user:`anesabml`. `#​5704 <https://github.com/aio-libs/aiohttp/issues/5704>`\_ - Added a middleware type alias `aiohttp.typedefs.Middleware`. `#​5898 <https://github.com/aio-libs/aiohttp/issues/5898>`\_ - Exported `HTTPMove` which can be used to catch any redirection request that has a location -- :user:`dreamsorcerer`. `#​6594 <https://github.com/aio-libs/aiohttp/issues/6594>`\_ - Changed the `path` parameter in `web.run_app()` to accept a `pathlib.Path` object. `#​6839 <https://github.com/aio-libs/aiohttp/issues/6839>`\_ - Performance: Skipped filtering `CookieJar` when the jar is empty or all cookies have expired. `#​7819 <https://github.com/aio-libs/aiohttp/issues/7819>`\_ - Performance: Only check origin if insecure scheme and there are origins to treat as secure, in `CookieJar.filter_cookies()`. `#​7821 <https://github.com/aio-libs/aiohttp/issues/7821>`\_ - Performance: Used timestamp instead of `datetime` to achieve faster cookie expiration in `CookieJar`. `#​7824 <https://github.com/aio-libs/aiohttp/issues/7824>`\_ - Added support for passing a custom server name parameter to HTTPS connection. `#​7114 <https://github.com/aio-libs/aiohttp/issues/7114>`\_ - Added support for using Basic Auth credentials from :file:`.netrc` file when making HTTP requests with the :py:class:`~aiohttp.ClientSession` `trust_env` argument is set to `True`. -- by :user:`yuvipanda`. `#​7131 <https://github.com/aio-libs/aiohttp/issues/7131>`\_ - Turned access log into no-op when the logger is disabled. `#​7240 <https://github.com/aio-libs/aiohttp/issues/7240>`\_ - Added typing information to `RawResponseMessage`. -- by :user:`Gobot1234` `#​7365 <https://github.com/aio-libs/aiohttp/issues/7365>`\_ - Removed `async-timeout` for Python 3.11+ (replaced with `asyncio.timeout()` on newer releases). `#​7502 <https://github.com/aio-libs/aiohttp/issues/7502>`\_ - Added support for `brotlicffi` as an alternative to `brotli` (fixing Brotli support on PyPy). `#​7611 <https://github.com/aio-libs/aiohttp/issues/7611>`\_ - Added `WebSocketResponse.get_extra_info()` to access a protocol transport's extra info. `#​7078 <https://github.com/aio-libs/aiohttp/issues/7078>`\_ - Allow `link` argument to be set to None/empty in HTTP 451 exception. `#​7689 <https://github.com/aio-libs/aiohttp/issues/7689>`\_ ## Bugfixes - Implemented stripping the trailing dots from fully-qualified domain names in `Host` headers and TLS context when acting as an HTTP client. This allows the client to connect to URLs with FQDN host name like `https://example.com./`. \-- by :user:`martin-sucha`. `#​3636 <https://github.com/aio-libs/aiohttp/issues/3636>`\_ - Fixed client timeout not working when incoming data is always available without waiting. -- by :user:`Dreamsorcerer`. `#​5854 <https://github.com/aio-libs/aiohttp/issues/5854>`\_ - Fixed `readuntil` to work with a delimiter of more than one character. `#​6701 <https://github.com/aio-libs/aiohttp/issues/6701>`\_ - Added `__repr__` to `EmptyStreamReader` to avoid `AttributeError`. `#​6916 <https://github.com/aio-libs/aiohttp/issues/6916>`\_ - Fixed bug when using `TCPConnector` with `ttl_dns_cache=0`. `#​7014 <https://github.com/aio-libs/aiohttp/issues/7014>`\_ - Fixed response returned from expect handler being thrown away. -- by :user:`Dreamsorcerer` `#​7025 <https://github.com/aio-libs/aiohttp/issues/7025>`\_ - Avoided raising `UnicodeDecodeError` in multipart and in HTTP headers parsing. `#​7044 <https://github.com/aio-libs/aiohttp/issues/7044>`\_ - Changed `sock_read` timeout to start after writing has finished, avoiding read timeouts caused by an unfinished write. -- by :user:`dtrifiro` `#​7149 <https://github.com/aio-libs/aiohttp/issues/7149>`\_ - Fixed missing query in tracing method URLs when using `yarl` 1.9+. `#​7259 <https://github.com/aio-libs/aiohttp/issues/7259>`\_ - Changed max 32-bit timestamp to an aware datetime object, for consistency with the non-32-bit one, and to avoid a `DeprecationWarning` on Python 3.12. `#​7302 <https://github.com/aio-libs/aiohttp/issues/7302>`\_ - Fixed `EmptyStreamReader.iter_chunks()` never ending. -- by :user:`mind1m` `#​7616 <https://github.com/aio-libs/aiohttp/issues/7616>`\_ - Fixed a rare `RuntimeError: await wasn't used with future` exception. -- by :user:`stalkerg` `#​7785 <https://github.com/aio-libs/aiohttp/issues/7785>`\_ - Fixed issue with insufficient HTTP method and version validation. `#​7700 <https://github.com/aio-libs/aiohttp/issues/7700>`\_ - Added check to validate that absolute URIs have schemes. `#​7712 <https://github.com/aio-libs/aiohttp/issues/7712>`\_ - Fixed unhandled exception when Python HTTP parser encounters unpaired Unicode surrogates. `#​7715 <https://github.com/aio-libs/aiohttp/issues/7715>`\_ - Updated parser to disallow invalid characters in header field names and stop accepting LF as a request line separator. `#​7719 <https://github.com/aio-libs/aiohttp/issues/7719>`\_ - Fixed Python HTTP parser not treating 204/304/1xx as an empty body. `#​7755 <https://github.com/aio-libs/aiohttp/issues/7755>`\_ - Ensure empty body response for 1xx/204/304 per RFC 9112 sec 6.3. `#​7756 <https://github.com/aio-libs/aiohttp/issues/7756>`\_ - Fixed an issue when a client request is closed before completing a chunked payload. -- by :user:`Dreamsorcerer` `#​7764 <https://github.com/aio-libs/aiohttp/issues/7764>`\_ - Edge Case Handling for ResponseParser for missing reason value. `#​7776 <https://github.com/aio-libs/aiohttp/issues/7776>`\_ - Fixed `ClientWebSocketResponse.close_code` being erroneously set to `None` when there are concurrent async tasks receiving data and closing the connection. `#​7306 <https://github.com/aio-libs/aiohttp/issues/7306>`\_ - Added HTTP method validation. `#​6533 <https://github.com/aio-libs/aiohttp/issues/6533>`\_ - Fixed arbitrary sequence types being allowed to inject values via version parameter. -- by :user:`Dreamsorcerer` `#​7835 <https://github.com/aio-libs/aiohttp/issues/7835>`\_ - Performance: Fixed increase in latency with small messages from websocket compression changes. `#​7797 <https://github.com/aio-libs/aiohttp/issues/7797>`\_ ## Improved Documentation - Fixed the `ClientResponse.release`'s type in the doc. Changed from `comethod` to `method`. `#​5836 <https://github.com/aio-libs/aiohttp/issues/5836>`\_ - Added information on behavior of base_url parameter in `ClientSession`. `#​6647 <https://github.com/aio-libs/aiohttp/issues/6647>`\_ - Fixed `ClientResponseError` docs. `#​6700 <https://github.com/aio-libs/aiohttp/issues/6700>`\_ - Updated Redis code examples to follow the latest API. `#​6907 <https://github.com/aio-libs/aiohttp/issues/6907>`\_ - Added a note about possibly needing to update headers when using `on_response_prepare`. -- by :user:`Dreamsorcerer` `#​7283 <https://github.com/aio-libs/aiohttp/issues/7283>`\_ - Completed `trust_env` parameter description to honor `wss_proxy`, `ws_proxy` or `no_proxy` env. `#​7325 <https://github.com/aio-libs/aiohttp/issues/7325>`\_ - Expanded SSL documentation with more examples (e.g. how to use certifi). -- by :user:`Dreamsorcerer` `#​7334 <https://github.com/aio-libs/aiohttp/issues/7334>`\_ - Fix, update, and improve client exceptions documentation. `#​7733 <https://github.com/aio-libs/aiohttp/issues/7733>`\_ ## Deprecations and Removals - Added `shutdown_timeout` parameter to `BaseRunner`, while deprecating `shutdown_timeout` parameter from `BaseSite`. -- by :user:`Dreamsorcerer` `#​7718 <https://github.com/aio-libs/aiohttp/issues/7718>`\_ - Dropped Python 3.6 support. `#​6378 <https://github.com/aio-libs/aiohttp/issues/6378>`\_ - Dropped Python 3.7 support. -- by :user:`Dreamsorcerer` `#​7336 <https://github.com/aio-libs/aiohttp/issues/7336>`\_ - Removed support for abandoned `tokio` event loop. -- by :user:`Dreamsorcerer` `#​7281 <https://github.com/aio-libs/aiohttp/issues/7281>`\_ ## Misc - Made `print` argument in `run_app()` optional. `#​3690 <https://github.com/aio-libs/aiohttp/issues/3690>`\_ - Improved performance of `ceil_timeout` in some cases. `#​6316 <https://github.com/aio-libs/aiohttp/issues/6316>`\_ - Changed importing Gunicorn to happen on-demand, decreasing import time by ~53%. -- :user:`Dreamsorcerer` `#​6591 <https://github.com/aio-libs/aiohttp/issues/6591>`\_ - Improved import time by replacing `http.server` with `http.HTTPStatus`. `#​6903 <https://github.com/aio-libs/aiohttp/issues/6903>`\_ - Fixed annotation of `ssl` parameter to disallow `True`. -- by :user:`Dreamsorcerer`. `#​7335 <https://github.com/aio-libs/aiohttp/issues/7335>`\_ *** </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Enabled. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://www.mend.io/free-developer-tools/renovate/). 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xiangxli
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Dec 4, 2023
Fixes aio-libs#5220. I believe this is a better fix than aio-libs#5238. That PR detects that we didn't finish sending a chunked response and then closes the connection. This PR ensures that we simply complete the chunked response by sending the EOF bytes, allowing the connection to remain open and be reused normally. (cherry picked from commit 9c07121)
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Fixes #5220.
I believe this is a better fix than #5238. That PR detects that we didn't finish sending a chunked response and then closes the connection. This PR ensures that we simply complete the chunked response by sending the EOF bytes, allowing the connection to remain open and be reused normally.