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* Port "Allow providing credentials to HTTPS_PROXY (#9657)" from mainline (#95)Andrew Morgan2021-03-231-8/+73
| | | | | | | | | | | * Allow providing credentials to HTTPS_PROXY (#9657) Addresses https://github.com/matrix-org/synapse-dinsic/issues/70 This PR causes `ProxyAgent` to attempt to extract credentials from an `HTTPS_PROXY` env var. If credentials are found, a `Proxy-Authorization` header ([details](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Proxy-Authorization)) is sent to the proxy server to authenticate against it. The headers are *not* passed to the remote server. Also added some type hints. * lint
* Port "Add support for no_proxy and case insensitive env variables" from ↵Andrew Morgan2021-03-221-7/+45
| | | | | | | mainline to dinsic (#93) This PR is simply porting https://github.com/matrix-org/synapse/pull/9372 to dinsic. I also had to bring in https://github.com/matrix-org/synapse/pull/8821 and https://github.com/matrix-org/synapse/pull/9084 for this code to work properly - a sign that we should merge mainline into dinsic again soon.
* Fix handling of connection timeouts in outgoing http requests (#8400)Richard van der Hoff2020-09-291-2/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Remove `on_timeout_cancel` from `timeout_deferred` The `on_timeout_cancel` param to `timeout_deferred` wasn't always called on a timeout (in particular if the canceller raised an exception), so it was unreliable. It was also only used in one place, and to be honest it's easier to do what it does a different way. * Fix handling of connection timeouts in outgoing http requests Turns out that if we get a timeout during connection, then a different exception is raised, which wasn't always handled correctly. To fix it, catch the exception in SimpleHttpClient and turn it into a RequestTimedOutError (which is already a documented exception). Also add a description to RequestTimedOutError so that we can see which stage it failed at. * Fix incorrect handling of timeouts reading federation responses This was trapping the wrong sort of TimeoutError, so was never being hit. The effect was relatively minor, but we should fix this so that it does the expected thing. * Fix inconsistent handling of `timeout` param between methods `get_json`, `put_json` and `delete_json` were applying a different timeout to the response body to `post_json`; bring them in line and test. Co-authored-by: Patrick Cloke <clokep@users.noreply.github.com> Co-authored-by: Erik Johnston <erik@matrix.org>
* Support for routing outbound HTTP requests via a proxy (#6239)Richard van der Hoff2019-11-011-0/+195
The `http_proxy` and `HTTPS_PROXY` env vars can be set to a `host[:port]` value which should point to a proxy. The address of the proxy should be excluded from IP blacklists such as the `url_preview_ip_range_blacklist`. The proxy will then be used for * push * url previews * phone-home stats * recaptcha validation * CAS auth validation It will *not* be used for: * Application Services * Identity servers * Outbound federation * In worker configurations, connections from workers to masters Fixes #4198.