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* Add a maximum size for well-known lookups. (#8950)Patrick Cloke2020-12-161-2/+23
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* Apply an IP range blacklist to push and key revocation requests. (#8821)Patrick Cloke2020-12-021-4/+12
| | | | | | | | | | | | Replaces the `federation_ip_range_blacklist` configuration setting with an `ip_range_blacklist` setting with wider scope. It now applies to: * Federation * Identity servers * Push notifications * Checking key validitity for third-party invite events The old `federation_ip_range_blacklist` setting is still honored if present, but with reduced scope (it only applies to federation and identity servers).
* Add type hints to matrix federation client / agent. (#8806)Patrick Cloke2020-11-252-47/+69
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* Fix typos and spelling errors. (#8639)Patrick Cloke2020-10-231-1/+1
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* Use slots in attrs classes where possible (#8296)Patrick Cloke2020-09-141-1/+1
| | | | | slots use less memory (and attribute access is faster) while slightly limiting the flexibility of the class attributes. This focuses on objects which are instantiated "often" and for short periods of time.
* Stop sub-classing object (#8249)Patrick Cloke2020-09-043-7/+7
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* Convert the well known resolver to async (#8214)Patrick Cloke2020-09-012-28/+33
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* Be stricter about JSON that is accepted by Synapse (#8106)Patrick Cloke2020-08-191-3/+2
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* Reduce INFO logging (#8050)Erik Johnston2020-08-111-1/+1
| | | | | | | | | | c.f. #8021 A lot of the code here is to change the `Completed 200 OK` logging to include the request URI so that we can drop the `Sending request...` log line. Some notes: 1. We won't log retries, which may be confusing considering the time taken log line includes retries and sleeps. 2. The `_send_request_with_optional_trailing_slash` will always be logged *without* the forward slash, even if it succeeded only with the forward slash.
* Convert the federation agent and related code to async/await. (#7874)Patrick Cloke2020-07-232-16/+10
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* Include a user agent in federation requests. (#7677)Patrick Cloke2020-06-162-3/+24
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* Share SSL contexts for non-federation requests (#7094)Richard van der Hoff2020-03-171-1/+1
| | | | | | | Extends #5794 etc to the SimpleHttpClient so that it also applies to non-federation requests. Fixes #7092.
* Remove usage of deprecated logger.warn method from codebase (#6271)Andrew Morgan2019-10-311-1/+1
| | | Replace every instance of `logger.warn` with `logger.warning` as the former is deprecated.
* Fix well-known lookups with the federation certificate whitelist (#5997)Amber Brown2019-09-141-1/+1
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* Remove unnecessary parentheses around return statements (#5931)Andrew Morgan2019-08-301-1/+1
| | | | | Python will return a tuple whether there are parentheses around the returned values or not. I'm just sick of my editor complaining about this all over the place :)
* Fix off by one error in SRV result shufflingErik Johnston2019-08-271-8/+13
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* Fixup commentsErik Johnston2019-08-231-1/+9
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* Fix logcontextsErik Johnston2019-08-231-4/+8
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* Merge branch 'develop' of github.com:matrix-org/synapse into ↵Erik Johnston2019-08-222-37/+115
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| * Change jitter to be a factor rather than absolute valueErik Johnston2019-08-201-11/+12
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| * Fixup changelog and remove debug loggingErik Johnston2019-08-161-4/+1
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| * Retry well known on fail.Erik Johnston2019-08-152-34/+114
| | | | | | | | | | | | If we have recently seen a valid well-known for a domain we want to retry on (non-final) errors a few times, to handle temporary blips in networking/etc.
* | Remove now unused pick_server_from_listErik Johnston2019-08-201-30/+0
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* | Fixup _sort_server_list to be slightly more efficientErik Johnston2019-08-201-2/+11
| | | | | | | | | | Also document that we are using the algorithm described in RFC2782 and ensure we handle zero weight correctly.
* | Refactor MatrixFederationAgent to retry SRV.Erik Johnston2019-08-152-189/+202
|/ | | | | | | | This refactors MatrixFederationAgent to move the SRV lookup into the endpoint code, this has two benefits: 1. Its easier to retry different host/ports in the same way as HostnameEndpoint. 2. We avoid SRV lookups if we have a free connection in the pool
* Retry well-known lookup before expiry.Erik Johnston2019-08-131-22/+60
| | | | | | | | | This gives a bit of a grace period where we can attempt to refetch a remote `well-known`, while still using the cached result if that fails. Hopefully this will make the well-known resolution a bit more torelant of failures, rather than it immediately treating failures as "no result" and caching that for an hour.
* Make default well known cache global again.Erik Johnston2019-08-131-1/+4
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* Move well known lookup into a separate clasErik Johnston2019-08-072-153/+197
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* Add a lower bound for TTL on well known results.Erik Johnston2019-08-061-0/+4
| | | | | | | It costs both us and the remote server for us to fetch the well known for every single request we send, so we add a minimum cache period. This is set to 5m so that we still honour the basic premise of "refetch frequently".
* Share SSL options for well-known requestsErik Johnston2019-07-311-11/+5
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* Replace returnValue with return (#5736)Amber Brown2019-07-232-30/+24
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* Move logging utilities out of the side drawer of util/ and into logging/ (#5606)Amber Brown2019-07-042-2/+2
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* Run Black. (#5482)Amber Brown2019-06-202-60/+75
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* Config option for verifying federation certificates (MSC 1711) (#4967)Andrew Morgan2019-04-251-1/+1
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* Minor docstring fixes for MatrixFederationAgent (#4765)Andrew Morgan2019-02-281-1/+5
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* Merge pull request #4544 from matrix-org/rav/skip_invalid_well_knownRichard van der Hoff2019-02-011-19/+6
|\ | | | | Treat an invalid .well-known the same as an absent one
| * Treat an invalid .well-known the same as an absent oneRichard van der Hoff2019-02-011-19/+6
| | | | | | | | ... basically, carry on and fall back to SRV etc.
* | Fix b'ab' noise in logsRichard van der Hoff2019-02-011-1/+1
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* Cache failures to parse .well-knownRichard van der Hoff2019-02-011-13/+43
| | | | Also add a Measure block around the .well-known fetch
* better logging for federation connectionsRichard van der Hoff2019-01-311-5/+16
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* Update federation routing logic to check .well-known before SRVRichard van der Hoff2019-01-311-5/+5
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* Merge pull request #4521 from matrix-org/rav/fed_routing/cleanupsRichard van der Hoff2019-01-301-9/+11
|\ | | | | Tiny .well-known fixes
| * fix exception textRichard van der Hoff2019-01-301-1/+1
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| * Also jitter the invalid cache periodRichard van der Hoff2019-01-301-9/+11
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* | Follow redirects on .well-known (#4520)Richard van der Hoff2019-01-301-2/+4
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* Add a caching layer to .well-known responses (#4516)Richard van der Hoff2019-01-301-2/+88
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* Relax requirement for a content-type on .well-known (#4511)Richard van der Hoff2019-01-291-20/+13
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* Implement MSC1708 (.well-known lookups for server routing) (#4489)Richard van der Hoff2019-01-291-4/+110
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* docstrings for _RoutingResultRichard van der Hoff2019-01-281-0/+36
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* Handle IP literals explicitlyRichard van der Hoff2019-01-281-0/+19
| | | | We don't want to be doing .well-known lookups on these guys.
* MatrixFederationAgent: factor out routing logicRichard van der Hoff2019-01-281-18/+62
| | | | This is going to get too big and unmanageable.
* Fix idna and ipv6 literal handling in MatrixFederationAgent (#4487)Richard van der Hoff2019-01-281-11/+12
| | | | | | | | | | | | | | | | Turns out that the library does a better job of parsing URIs than our reinvented wheel. Who knew. There are two things going on here. The first is that, unlike parse_server_name, URI.fromBytes will strip off square brackets from IPv6 literals, which means that it is valid input to ClientTLSOptionsFactory and HostnameEndpoint. The second is that we stay in `bytes` throughout (except for the argument to ClientTLSOptionsFactory), which avoids the weirdness of (sometimes) ending up with idna-encoded values being held in `unicode` variables. TBH it probably would have been ok but it made the tests fragile.
* Fix Host header sent by MatrixFederationAgent (#4468)Richard van der Hoff2019-01-251-0/+10
| | | | | | Move the Host header logic down here so that (a) it is used if we reuse the agent elsewhere, and (b) we can mess about with it with .well-known.
* Look up the right SRV recordRichard van der Hoff2019-01-241-1/+2
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* put resolve_service in an objectRichard van der Hoff2019-01-222-63/+86
| | | | this makes it easier to stub things out for tests.
* Require that service_name be a byte stringRichard van der Hoff2019-01-221-4/+4
| | | | it is only ever a bytes now, so let's enforce that.
* Kill off matrix_federation_endpointRichard van der Hoff2019-01-221-1/+0
| | | | this thing is now redundant.
* MatrixFederationAgentRichard van der Hoff2019-01-222-0/+147
| | | | | Pull the magic that is currently in matrix_federation_endpoint and friends into an agent-like thing
* Refactor and bugfix for resove_service (#4427)Richard van der Hoff2019-01-222-0/+138