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* Merge remote-tracking branch 'origin/develop' into rav/use_run_in_backgroundRichard van der Hoff2018-04-271-45/+48
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| * Improve exception handling for background processesRichard van der Hoff2018-04-271-45/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There were a bunch of places where we fire off a process to happen in the background, but don't have any exception handling on it - instead relying on the unhandled error being logged when the relevent deferred gets garbage-collected. This is unsatisfactory for a number of reasons: - logging on garbage collection is best-effort and may happen some time after the error, if at all - it can be hard to figure out where the error actually happened. - it is logged as a scary CRITICAL error which (a) I always forget to grep for and (b) it's not really CRITICAL if a background process we don't care about fails. So this is an attempt to add exception handling to everything we fire off into the background.
* | Use run_in_background in preference to preserve_fnRichard van der Hoff2018-04-271-11/+17
|/ | | | | | While I was going through uses of preserve_fn for other PRs, I converted places which only use the wrapped function once to use run_in_background, to avoid creating the function object.
* Use str(e) instead of e.messageAdrian Tschira2018-04-151-4/+4
| | | | | | | Doing this I learned e.message was pretty shortlived, added in 2.6, they realized it was a bad idea and deprecated it in 2.7 Signed-off-by: Adrian Tschira <nota@notafile.com>
* replace 'except:' with 'except Exception:'Richard van der Hoff2017-10-231-1/+1
| | | | what could possibly go wrong
* Merge branch 'develop' into developRichard van der Hoff2017-09-251-124/+161
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| * Fix logcontext handling in verify_json_objects_for_serverRichard van der Hoff2017-09-201-8/+12
| | | | | | | | | | | | | | | | | | | | | | | | preserve_context_over_fn is essentially broken, because (a) it pointlessly drops the current logcontext before calling its wrapped function, which means we don't get any useful logcontexts for _handle_key_deferred; (b) it wraps the resulting deferred in a _PreservingContextDeferred, which is very dangerous because you then can't yield on it without leaking context back into the reactor. Instead, let's specify that the resultant deferreds call their callbacks with no logcontext.
| * Turn _start_key_lookups into an inlineCallbacks functionRichard van der Hoff2017-09-201-40/+37
| | | | | | | | | | | | | | | | | | | | | | ... which means that logcontexts can be correctly preserved for the stuff it does. get_server_verify_keys is now called with the logcontext, so needs to preserve_fn when it fires off its nested inlineCallbacks function. Also renames get_server_verify_keys to reflect the fact it's meant to be private.
| * Fix potential race in _start_key_lookupsRichard van der Hoff2017-09-201-5/+8
| | | | | | | | | | | | | | | | | | If the verify_request.deferred has already completed, then `remove_deferreds` will be called immediately. It therefore might resolve the server_to_deferred deferred while there are still other requests for that server in flight. To avoid that, we should build the complete list of requests, and *then* add the callbacks.
| * Add some comments to _start_key_lookupsRichard van der Hoff2017-09-201-0/+8
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| * Consistency for how verify_request.deferred is calledRichard van der Hoff2017-09-201-13/+17
| | | | | | | | | | | | | | | | | | | | Define that it is run with no log context, and make sure that happens. If we aren't careful to reset the logcontext, we can't bung the deferreds into defer.gatherResults etc. We don't actually do that directly, but we *do* resolve other deferreds from affected callbacks (notably the server_to_deferred map in _start_key_lookups), and those *do* get passed into defer.gatherResults. It turns out that this way ends up being least confusing.
| * Factor out _start_key_lookupsRichard van der Hoff2017-09-201-7/+17
| | | | | | | | ... to make it easier to see what's going on.
| * Replace `server_and_json` with `verify_requests`Richard van der Hoff2017-09-201-3/+3
| | | | | | | | This is a precursor to factoring some of this code out.
| * pull out handle_key_deferred to top levelRichard van der Hoff2017-09-201-43/+44
| | | | | | | | | | | | There's no need for this to be a nested definition; pulling it out not only makes it more efficient, but makes it easier to check that it's not accessing any local variables it shouldn't be.
| * Fix incorrect key_ids in error messageRichard van der Hoff2017-09-201-1/+1
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| * Fix concurrent server_key requests (#2458)Richard van der Hoff2017-09-191-1/+3
| | | | | | | | Fix a bug where we could end up firing off multiple requests for server_keys for the same server at the same time.
| * Clean up and document handling of logcontexts in Keyring (#2452)Richard van der Hoff2017-09-181-28/+36
| | | | | | | | | | | | I'm still unclear on what the intended behaviour for `verify_json_objects_for_server` is, but at least I now understand the behaviour of most of the things it calls...
* | Fix iteration of requests_missing_keys; list doesn't have .values()Kenny Keslar2017-07-261-1/+1
|/ | | | Signed-off-by: Kenny Keslar <r3dey3@r3dey3.com>
* Merge pull request #2050 from matrix-org/rav/federation_backoffRichard van der Hoff2017-03-231-23/+16
|\ | | | | push federation retry limiter down to matrixfederationclient
| * push federation retry limiter down to matrixfederationclientRichard van der Hoff2017-03-231-23/+16
| | | | | | | | | | rather than having to instrument everywhere we make a federation call, make the MatrixFederationHttpClient manage the retry limiter.
* | fix up some key verif docstringsRichard van der Hoff2017-03-211-2/+21
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* Add some debug to help diagnose weird federation issueRichard van der Hoff2017-03-201-1/+8
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* Preserve some logcontextsErik Johnston2016-08-241-18/+18
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* Update keyring MeasureErik Johnston2016-08-191-85/+85
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* Measure keyringsErik Johnston2016-08-191-34/+36
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* Don't print stack traces when failing to get remote keysErik Johnston2016-08-101-12/+16
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* Merge branch 'develop' into markjh/verifyMark Haines2016-07-271-2/+9
|\ | | | | | | | | Conflicts: synapse/crypto/keyring.py
| * Merge pull request #955 from matrix-org/markjh/only_from2Mark Haines2016-07-271-2/+9
| |\ | | | | | | Add a couple more checks to the keyring
| | * Add a couple more checks to the keyringMark Haines2016-07-261-2/+9
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| * | Fix a couple of bugs in the transaction and keyring codeMark Haines2016-07-261-8/+9
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* / Clean up verify_json_objects_for_serverMark Haines2016-07-271-68/+75
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* Fix up logcontextsErik Johnston2016-02-081-37/+46
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* copyrightsMatthew Hodgson2016-01-071-1/+1
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* Actually look up required remote server key IDsPaul "LeoNerd" Evans2015-12-181-1/+3
| | | | | | set.union() is a side-effect-free function that returns the union of two sets. This clearly wanted .update(), which is the side-effecting mutator version.
* Fix typoErik Johnston2015-11-201-1/+1
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* Don't limit connections to perspective serversErik Johnston2015-11-201-21/+17
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* Fix bug where we sometimes didn't fetch all the keys requested for aErik Johnston2015-09-171-4/+3
| | | | server.
* Merge pull request #272 from matrix-org/daniel/insecureclientDaniel Wagner-Hall2015-09-151-2/+2
|\ | | | | Allow configuration to ignore invalid SSL certs
| * Allow configuration to ignore invalid SSL certsDaniel Wagner-Hall2015-09-091-2/+2
| | | | | | | | | | This will be useful for sytest, and sytest only, hence the aggressive config key name.
* | Various bug fixes to crypto.keyringErik Johnston2015-09-091-10/+17
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* Remove syutil dependency in favour of smaller single-purpose librariesMark Haines2015-08-241-9/+9
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* Wait for previous attempts at fetching keys for a given server before trying ↵Erik Johnston2015-06-261-15/+68
| | | | to fetch more
* Implement bulk verify_signed_json APIErik Johnston2015-06-261-134/+292
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* Handle the case when things return empty but non none thingsErik Johnston2015-05-191-2/+2
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* Don't always hit get_server_verify_key_v1_directErik Johnston2015-05-191-5/+10
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* SYN-383: Actually, we expect this value to be a dictErik Johnston2015-05-191-1/+2
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* SYN-383: Handle the fact the server might not have signed thingsErik Johnston2015-05-191-1/+1
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* Don't reuse var namesErik Johnston2015-05-191-2/+2
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* SYN-383: Fix parsing of verify_keys and catching of _DefGen_ReturnErik Johnston2015-05-191-18/+18
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* SYN-383: Extract the response list from 'server_keys' in the response JSON ↵Mark Haines2015-05-191-1/+3
| | | | as it might work better than iterating over the top level dict
* Change the way we create observers to deferreds so that we don't get spammed ↵Erik Johnston2015-05-081-2/+6
| | | | by 'unhandled errors'
* Use a defer.gatherResults to collect results from the perspective serversMark Haines2015-04-291-11/+21
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* Update the query format used by keyring to match current key v2 specMark Haines2015-04-291-1/+12
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* Implement minimum_valid_until_ts in the remote key resourceMark Haines2015-04-291-0/+1
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* Merge branch 'develop' into key_distributionMark Haines2015-04-271-0/+20
|\ | | | | | | | | Conflicts: synapse/crypto/keyring.py
| * Fix newlinesErik Johnston2015-04-271-2/+1
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| * Pull inner function out.Erik Johnston2015-04-271-76/+77
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| * Implement locks using create_observer for fetching media and server keysErik Johnston2015-04-271-59/+79
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* | Add config for setting the perspective serversMark Haines2015-04-241-1/+5
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* | Update to match the specification for key/v2Mark Haines2015-04-231-2/+2
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* | Implement remote key lookup apiMark Haines2015-04-221-35/+40
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* | Implement v2 key lookupMark Haines2015-04-201-17/+251
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* Log error message when we fail to fetch remote server keysErik Johnston2015-03-051-2/+11
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* Try to only back off if we think we failed to connect to the remoteErik Johnston2015-02-171-54/+54
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* Add per server retry limiting.Erik Johnston2015-02-171-15/+7
| | | | | Factor out the pre destination retry logic from TransactionQueue so it can be reused in both get_pdu and crypto.keyring
* Rate limit retries when fetching server keys.Erik Johnston2015-02-171-55/+71
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* Update copyright noticesMark Haines2015-01-061-1/+1
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* Add a few missing yields, Move deferred lists inside PreserveLoggingContext ↵Mark Haines2014-11-201-2/+2
| | | | because they don't interact well with the logging contexts
* Fix pep8 warningsMark Haines2014-10-301-2/+2
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* add log line for checking verifying signaturesMark Haines2014-10-171-0/+1
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* Better response message when signature is missing or unsupportedMark Haines2014-10-131-1/+1
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* Respond with more helpful error messages for unsigned requestsMark Haines2014-10-131-2/+31
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* SYN-75 Verify signatures on server to server transactionsMark Haines2014-09-301-0/+125
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