mirror of
https://github.com/hoernschen/dendrite.git
synced 2024-12-26 15:08:28 +00:00
More server key updates, tests (#1129)
* More key tweaks * Start testing stuff * Move responsibility for generating local keys into server key API, don't register prom in caches unless needed, start tests * Don't store our own keys in the database * Don't store our own keys in the database * Don't run tests for now * Tweak caching behaviour, update tests * Update comments, add fixes from forward-merge * Debug logging * Debug logging * Perform final comparison against original set of requests * oops * Fetcher timeouts * Fetcher timeouts * missing func * Tweaks * Update gomatrixserverlib * Fix Federation API test * Break up FetchKeys * Add comments to caching * Add URL check in test * Partially revert "Move responsibility for generating local keys into server key API, don't register prom in caches unless needed, start tests" This reverts commit d7eb54c5b30b2f6a9d6514b643e32e6ad2b602f3. * Fix federation API test * Fix internal cache stuff again * Fix server key API test * Update comments * Update comments from review * Fix lint
This commit is contained in:
Neil Alexander
GitHub
parent
67ad661813
commit
57b7fa3db8
13 changed files with 538 additions and 111 deletions
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@ -255,7 +255,7 @@ func testRoomserver(input []string, wantOutput []string, checkQueries func(api.R
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panic(err)
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}
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cache, err := caching.NewInMemoryLRUCache()
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cache, err := caching.NewInMemoryLRUCache(false)
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if err != nil {
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panic(err)
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}
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3
go.mod
3
go.mod
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@ -20,7 +20,7 @@ require (
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github.com/matrix-org/go-http-js-libp2p v0.0.0-20200518170932-783164aeeda4
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github.com/matrix-org/go-sqlite3-js v0.0.0-20200522092705-bc8506ccbcf3
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github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26
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github.com/matrix-org/gomatrixserverlib v0.0.0-20200608125510-defe251235b1
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github.com/matrix-org/gomatrixserverlib v0.0.0-20200615161710-f69539c86ea5
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github.com/matrix-org/naffka v0.0.0-20200422140631-181f1ee7401f
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github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7
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github.com/mattn/go-sqlite3 v2.0.2+incompatible
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@ -38,7 +38,6 @@ require (
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github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20200530233943-aec82d7a391b
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go.uber.org/atomic v1.4.0
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golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d
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golang.org/x/tools v0.0.0-20200612022331-742c5eb664c2 // indirect
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gopkg.in/h2non/bimg.v1 v1.0.18
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gopkg.in/yaml.v2 v2.2.8
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)
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13
go.sum
13
go.sum
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@ -131,7 +131,6 @@ github.com/hashicorp/golang-lru v0.5.3/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uG
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github.com/hashicorp/golang-lru v0.5.4 h1:YDjusn29QI/Das2iO9M0BHnIbxPeyuCHsjMW+lJfyTc=
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github.com/hashicorp/golang-lru v0.5.4/go.mod h1:iADmTwqILo4mZ8BN3D2Q6+9jd8WM5uGBxy+E8yxSoD4=
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github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
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github.com/hjson/hjson-go v3.0.1-0.20190209023717-9147687966d9+incompatible/go.mod h1:qsetwF8NlsTsOTwZTApNlTCerV+b2GjYRRcIk4JMFio=
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github.com/hjson/hjson-go v3.0.2-0.20200316202735-d5d0e8b0617d+incompatible/go.mod h1:qsetwF8NlsTsOTwZTApNlTCerV+b2GjYRRcIk4JMFio=
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github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
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github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
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@ -372,8 +371,8 @@ github.com/matrix-org/go-sqlite3-js v0.0.0-20200522092705-bc8506ccbcf3 h1:Yb+Wlf
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github.com/matrix-org/go-sqlite3-js v0.0.0-20200522092705-bc8506ccbcf3/go.mod h1:e+cg2q7C7yE5QnAXgzo512tgFh1RbQLC0+jozuegKgo=
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github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26 h1:Hr3zjRsq2bhrnp3Ky1qgx/fzCtCALOoGYylh2tpS9K4=
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github.com/matrix-org/gomatrix v0.0.0-20190528120928-7df988a63f26/go.mod h1:3fxX6gUjWyI/2Bt7J1OLhpCzOfO/bB3AiX0cJtEKud0=
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github.com/matrix-org/gomatrixserverlib v0.0.0-20200608125510-defe251235b1 h1:BfrvDrbjoPBvYua/3F/FmrqiZTRGrvtoMRgCVnrufMI=
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github.com/matrix-org/gomatrixserverlib v0.0.0-20200608125510-defe251235b1/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
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github.com/matrix-org/gomatrixserverlib v0.0.0-20200615161710-f69539c86ea5 h1:VN7DoSFVkQF9Bv+TWuBWHLgAz9Nw9UiahFfe2oE6uiQ=
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github.com/matrix-org/gomatrixserverlib v0.0.0-20200615161710-f69539c86ea5/go.mod h1:JsAzE1Ll3+gDWS9JSUHPJiiyAksvOOnGWF2nXdg4ZzU=
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github.com/matrix-org/naffka v0.0.0-20200422140631-181f1ee7401f h1:pRz4VTiRCO4zPlEMc3ESdUOcW4PXHH4Kj+YDz1XyE+Y=
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github.com/matrix-org/naffka v0.0.0-20200422140631-181f1ee7401f/go.mod h1:y0oDTjZDv5SM9a2rp3bl+CU+bvTRINQsdb7YlDql5Go=
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github.com/matrix-org/util v0.0.0-20190711121626-527ce5ddefc7 h1:ntrLa/8xVzeSs8vHFHK25k0C+NV74sYMJnNSg5NoSRo=
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@ -566,11 +565,8 @@ github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhe
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github.com/xdg/stringprep v1.0.0/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
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github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
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github.com/yggdrasil-network/yggdrasil-extras v0.0.0-20200525205615-6c8a4a2e8855/go.mod h1:xQdsh08Io6nV4WRnOVTe6gI8/2iTvfLDQ0CYa5aMt+I=
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github.com/yggdrasil-network/yggdrasil-go v0.3.14 h1:vWzYzCQxOruS+J5FkLfXOS0JhCJx1yI9Erj/h2wfZ/E=
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github.com/yggdrasil-network/yggdrasil-go v0.3.14/go.mod h1:rkQzLzVHlFdzsEMG+bDdTI+KeWPCZq1HpXRFzwinf6M=
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github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20200530233943-aec82d7a391b h1:ELOisSxFXCcptRs4LFub+Hz5fYUvV12wZrTps99Eb3E=
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github.com/yggdrasil-network/yggdrasil-go v0.3.15-0.20200530233943-aec82d7a391b/go.mod h1:d+Nz6SPeG6kmeSPFL0cvfWfgwEql75fUnZiAONgvyBE=
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github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
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go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
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go.opencensus.io v0.22.1/go.mod h1:Ap50jQcDJrx6rB6VgeeFPtuPIf3wMRvRfrfYDO6+BmA=
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go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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@ -604,8 +600,6 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
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golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
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golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
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golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
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golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=
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golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@ -675,9 +669,6 @@ golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGm
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golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
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golang.org/x/tools v0.0.0-20190311212946-11955173bddd h1:/e+gpKk9r3dJobndpTytxS2gOy6m5uvpg+ISQoEcusQ=
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golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
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golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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golang.org/x/tools v0.0.0-20200612022331-742c5eb664c2 h1:DVqHa33CzfnTKwUV6be+I4hp31W6iXn3ZiEcdKGzLyI=
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golang.org/x/tools v0.0.0-20200612022331-742c5eb664c2/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
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golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
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@ -2,7 +2,6 @@ package caching
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import (
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"fmt"
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"time"
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"github.com/matrix-org/gomatrixserverlib"
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)
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@ -16,22 +15,29 @@ const (
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// ServerKeyCache contains the subset of functions needed for
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// a server key cache.
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type ServerKeyCache interface {
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GetServerKey(request gomatrixserverlib.PublicKeyLookupRequest) (response gomatrixserverlib.PublicKeyLookupResult, ok bool)
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// request -> timestamp is emulating gomatrixserverlib.FetchKeys:
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// https://github.com/matrix-org/gomatrixserverlib/blob/f69539c86ea55d1e2cc76fd8e944e2d82d30397c/keyring.go#L95
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// The timestamp should be the timestamp of the event that is being
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// verified. We will not return keys from the cache that are not valid
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// at this timestamp.
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GetServerKey(request gomatrixserverlib.PublicKeyLookupRequest, timestamp gomatrixserverlib.Timestamp) (response gomatrixserverlib.PublicKeyLookupResult, ok bool)
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// request -> result is emulating gomatrixserverlib.StoreKeys:
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// https://github.com/matrix-org/gomatrixserverlib/blob/f69539c86ea55d1e2cc76fd8e944e2d82d30397c/keyring.go#L112
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StoreServerKey(request gomatrixserverlib.PublicKeyLookupRequest, response gomatrixserverlib.PublicKeyLookupResult)
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}
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func (c Caches) GetServerKey(
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request gomatrixserverlib.PublicKeyLookupRequest,
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timestamp gomatrixserverlib.Timestamp,
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) (gomatrixserverlib.PublicKeyLookupResult, bool) {
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key := fmt.Sprintf("%s/%s", request.ServerName, request.KeyID)
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now := gomatrixserverlib.AsTimestamp(time.Now())
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val, found := c.ServerKeys.Get(key)
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if found && val != nil {
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if keyLookupResult, ok := val.(gomatrixserverlib.PublicKeyLookupResult); ok {
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if !keyLookupResult.WasValidAt(now, true) {
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// We appear to be past the key validity so don't return this
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// with the results. This ensures that the cache doesn't return
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// values that are not useful to us.
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if !keyLookupResult.WasValidAt(timestamp, true) {
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// The key wasn't valid at the requested timestamp so don't
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// return it. The caller will have to work out what to do.
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c.ServerKeys.Unset(key)
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return gomatrixserverlib.PublicKeyLookupResult{}, false
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}
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@ -8,11 +8,12 @@ import (
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"github.com/prometheus/client_golang/prometheus/promauto"
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)
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func NewInMemoryLRUCache() (*Caches, error) {
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func NewInMemoryLRUCache(enablePrometheus bool) (*Caches, error) {
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roomVersions, err := NewInMemoryLRUCachePartition(
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RoomVersionCacheName,
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RoomVersionCacheMutable,
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RoomVersionCacheMaxEntries,
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enablePrometheus,
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)
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if err != nil {
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return nil, err
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@ -21,6 +22,7 @@ func NewInMemoryLRUCache() (*Caches, error) {
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ServerKeyCacheName,
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ServerKeyCacheMutable,
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ServerKeyCacheMaxEntries,
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enablePrometheus,
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)
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if err != nil {
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return nil, err
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@ -38,7 +40,7 @@ type InMemoryLRUCachePartition struct {
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lru *lru.Cache
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}
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func NewInMemoryLRUCachePartition(name string, mutable bool, maxEntries int) (*InMemoryLRUCachePartition, error) {
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func NewInMemoryLRUCachePartition(name string, mutable bool, maxEntries int, enablePrometheus bool) (*InMemoryLRUCachePartition, error) {
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var err error
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cache := InMemoryLRUCachePartition{
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name: name,
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@ -49,13 +51,15 @@ func NewInMemoryLRUCachePartition(name string, mutable bool, maxEntries int) (*I
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if err != nil {
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return nil, err
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}
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promauto.NewGaugeFunc(prometheus.GaugeOpts{
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Namespace: "dendrite",
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Subsystem: "caching_in_memory_lru",
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Name: name,
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}, func() float64 {
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return float64(cache.lru.Len())
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})
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if enablePrometheus {
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promauto.NewGaugeFunc(prometheus.GaugeOpts{
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Namespace: "dendrite",
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Subsystem: "caching_in_memory_lru",
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Name: name,
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}, func() float64 {
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return float64(cache.lru.Len())
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})
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}
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return &cache, nil
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}
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@ -96,7 +96,7 @@ func NewBaseDendrite(cfg *config.Dendrite, componentName string, useHTTPAPIs boo
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kafkaConsumer, kafkaProducer = setupKafka(cfg)
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}
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cache, err := caching.NewInMemoryLRUCache()
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cache, err := caching.NewInMemoryLRUCache(true)
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if err != nil {
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logrus.WithError(err).Warnf("Failed to create cache")
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}
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@ -2,16 +2,23 @@ package internal
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import (
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"context"
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"crypto/ed25519"
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"fmt"
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"time"
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"github.com/matrix-org/dendrite/serverkeyapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/sirupsen/logrus"
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)
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type ServerKeyAPI struct {
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api.ServerKeyInternalAPI
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ServerName gomatrixserverlib.ServerName
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ServerPublicKey ed25519.PublicKey
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ServerKeyID gomatrixserverlib.KeyID
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ServerKeyValidity time.Duration
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OurKeyRing gomatrixserverlib.KeyRing
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FedClient *gomatrixserverlib.FederationClient
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}
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@ -33,6 +40,7 @@ func (s *ServerKeyAPI) StoreKeys(
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// Run in a background context - we don't want to stop this work just
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// because the caller gives up waiting.
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ctx := context.Background()
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// Store any keys that we were given in our database.
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return s.OurKeyRing.KeyDatabase.StoreKeys(ctx, results)
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}
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@ -44,52 +52,57 @@ func (s *ServerKeyAPI) FetchKeys(
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// Run in a background context - we don't want to stop this work just
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// because the caller gives up waiting.
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ctx := context.Background()
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results := map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{}
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now := gomatrixserverlib.AsTimestamp(time.Now())
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// First consult our local database and see if we have the requested
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results := map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{}
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origRequests := map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{}
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for k, v := range requests {
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origRequests[k] = v
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}
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// First, check if any of these key checks are for our own keys. If
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// they are then we will satisfy them directly.
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s.handleLocalKeys(ctx, requests, results)
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// Then consult our local database and see if we have the requested
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// keys. These might come from a cache, depending on the database
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// implementation used.
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if dbResults, err := s.OurKeyRing.KeyDatabase.FetchKeys(ctx, requests); err == nil {
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// We successfully got some keys. Add them to the results and
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// remove them from the request list.
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for req, res := range dbResults {
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if !res.WasValidAt(now, true) {
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// We appear to be past the key validity. Don't return this
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// key with the results.
|
||||
continue
|
||||
}
|
||||
results[req] = res
|
||||
delete(requests, req)
|
||||
}
|
||||
if err := s.handleDatabaseKeys(ctx, now, requests, results); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// For any key requests that we still have outstanding, next try to
|
||||
// fetch them directly. We'll go through each of the key fetchers to
|
||||
// ask for the remaining keys.
|
||||
// ask for the remaining keys
|
||||
for _, fetcher := range s.OurKeyRing.KeyFetchers {
|
||||
// If there are no more keys to look up then stop.
|
||||
if len(requests) == 0 {
|
||||
break
|
||||
}
|
||||
if fetcherResults, err := fetcher.FetchKeys(ctx, requests); err == nil {
|
||||
// We successfully got some keys. Add them to the results and
|
||||
// remove them from the request list.
|
||||
for req, res := range fetcherResults {
|
||||
if !res.WasValidAt(now, true) {
|
||||
// We appear to be past the key validity. Don't return this
|
||||
// key with the results.
|
||||
continue
|
||||
}
|
||||
results[req] = res
|
||||
delete(requests, req)
|
||||
}
|
||||
if err = s.OurKeyRing.KeyDatabase.StoreKeys(ctx, fetcherResults); err != nil {
|
||||
return nil, fmt.Errorf("server key API failed to store retrieved keys: %w", err)
|
||||
}
|
||||
|
||||
// Ask the fetcher to look up our keys.
|
||||
if err := s.handleFetcherKeys(ctx, now, fetcher, requests, results); err != nil {
|
||||
logrus.WithError(err).WithFields(logrus.Fields{
|
||||
"fetcher_name": fetcher.FetcherName(),
|
||||
}).Errorf("Failed to retrieve %d key(s)", len(requests))
|
||||
continue
|
||||
}
|
||||
}
|
||||
// If we failed to fetch any keys then we should report an error.
|
||||
if len(requests) > 0 {
|
||||
return results, fmt.Errorf("server key API failed to fetch %d keys", len(requests))
|
||||
|
||||
// Check that we've actually satisfied all of the key requests that we
|
||||
// were given. We should report an error if we didn't.
|
||||
for req := range origRequests {
|
||||
if _, ok := results[req]; !ok {
|
||||
// The results don't contain anything for this specific request, so
|
||||
// we've failed to satisfy it from local keys, database keys or from
|
||||
// all of the fetchers. Report an error.
|
||||
logrus.Warnf("Failed to retrieve key %q for server %q", req.KeyID, req.ServerName)
|
||||
return results, fmt.Errorf(
|
||||
"server key API failed to satisfy key request for server %q key ID %q",
|
||||
req.ServerName, req.KeyID,
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
// Return the keys.
|
||||
return results, nil
|
||||
}
|
||||
|
|
@ -97,3 +110,141 @@ func (s *ServerKeyAPI) FetchKeys(
|
|||
func (s *ServerKeyAPI) FetcherName() string {
|
||||
return fmt.Sprintf("ServerKeyAPI (wrapping %q)", s.OurKeyRing.KeyDatabase.FetcherName())
|
||||
}
|
||||
|
||||
// handleLocalKeys handles cases where the key request contains
|
||||
// a request for our own server keys.
|
||||
func (s *ServerKeyAPI) handleLocalKeys(
|
||||
_ context.Context,
|
||||
requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
|
||||
results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult,
|
||||
) {
|
||||
for req := range requests {
|
||||
if req.ServerName == s.ServerName {
|
||||
// We found a key request that is supposed to be for our own
|
||||
// keys. Remove it from the request list so we don't hit the
|
||||
// database or the fetchers for it.
|
||||
delete(requests, req)
|
||||
|
||||
// Insert our own key into the response.
|
||||
results[req] = gomatrixserverlib.PublicKeyLookupResult{
|
||||
VerifyKey: gomatrixserverlib.VerifyKey{
|
||||
Key: gomatrixserverlib.Base64Bytes(s.ServerPublicKey),
|
||||
},
|
||||
ExpiredTS: gomatrixserverlib.PublicKeyNotExpired,
|
||||
ValidUntilTS: gomatrixserverlib.AsTimestamp(time.Now().Add(s.ServerKeyValidity)),
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// handleDatabaseKeys handles cases where the key requests can be
|
||||
// satisfied from our local database/cache.
|
||||
func (s *ServerKeyAPI) handleDatabaseKeys(
|
||||
ctx context.Context,
|
||||
now gomatrixserverlib.Timestamp,
|
||||
requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
|
||||
results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult,
|
||||
) error {
|
||||
// Ask the database/cache for the keys.
|
||||
dbResults, err := s.OurKeyRing.KeyDatabase.FetchKeys(ctx, requests)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// We successfully got some keys. Add them to the results.
|
||||
for req, res := range dbResults {
|
||||
// The key we've retrieved from the database/cache might
|
||||
// have passed its validity period, but right now, it's
|
||||
// the best thing we've got, and it might be sufficient to
|
||||
// verify a past event.
|
||||
results[req] = res
|
||||
|
||||
// If the key is valid right now then we can also remove it
|
||||
// from the request list as we don't need to fetch it again
|
||||
// in that case. If the key isn't valid right now, then by
|
||||
// leaving it in the 'requests' map, we'll try to update the
|
||||
// key using the fetchers in handleFetcherKeys.
|
||||
if res.WasValidAt(now, true) {
|
||||
delete(requests, req)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// handleFetcherKeys handles cases where a fetcher can satisfy
|
||||
// the remaining requests.
|
||||
func (s *ServerKeyAPI) handleFetcherKeys(
|
||||
ctx context.Context,
|
||||
now gomatrixserverlib.Timestamp,
|
||||
fetcher gomatrixserverlib.KeyFetcher,
|
||||
requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
|
||||
results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult,
|
||||
) error {
|
||||
logrus.WithFields(logrus.Fields{
|
||||
"fetcher_name": fetcher.FetcherName(),
|
||||
}).Infof("Fetching %d key(s)", len(requests))
|
||||
|
||||
// Create a context that limits our requests to 30 seconds.
|
||||
fetcherCtx, fetcherCancel := context.WithTimeout(ctx, time.Second*30)
|
||||
defer fetcherCancel()
|
||||
|
||||
// Try to fetch the keys.
|
||||
fetcherResults, err := fetcher.FetchKeys(fetcherCtx, requests)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
// Build a map of the results that we want to commit to the
|
||||
// database. We do this in a separate map because otherwise we
|
||||
// might end up trying to rewrite database entries.
|
||||
storeResults := map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{}
|
||||
|
||||
// Now let's look at the results that we got from this fetcher.
|
||||
for req, res := range fetcherResults {
|
||||
if prev, ok := results[req]; ok {
|
||||
// We've already got a previous entry for this request
|
||||
// so let's see if the newly retrieved one contains a more
|
||||
// up-to-date validity period.
|
||||
if res.ValidUntilTS > prev.ValidUntilTS {
|
||||
// This key is newer than the one we had so let's store
|
||||
// it in the database.
|
||||
if req.ServerName != s.ServerName {
|
||||
storeResults[req] = res
|
||||
}
|
||||
}
|
||||
} else {
|
||||
// We didn't already have a previous entry for this request
|
||||
// so store it in the database anyway for now.
|
||||
if req.ServerName != s.ServerName {
|
||||
storeResults[req] = res
|
||||
}
|
||||
}
|
||||
|
||||
// Update the results map with this new result. If nothing
|
||||
// else, we can try verifying against this key.
|
||||
results[req] = res
|
||||
|
||||
// If the key is valid right now then we can remove it from the
|
||||
// request list as we won't need to re-fetch it.
|
||||
if res.WasValidAt(now, true) {
|
||||
delete(requests, req)
|
||||
}
|
||||
}
|
||||
|
||||
// Store the keys from our store map.
|
||||
if err = s.OurKeyRing.KeyDatabase.StoreKeys(ctx, storeResults); err != nil {
|
||||
logrus.WithError(err).WithFields(logrus.Fields{
|
||||
"fetcher_name": fetcher.FetcherName(),
|
||||
"database_name": s.OurKeyRing.KeyDatabase.FetcherName(),
|
||||
}).Errorf("Failed to store keys in the database")
|
||||
return fmt.Errorf("server key API failed to store retrieved keys: %w", err)
|
||||
}
|
||||
|
||||
if len(storeResults) > 0 {
|
||||
logrus.WithFields(logrus.Fields{
|
||||
"fetcher_name": fetcher.FetcherName(),
|
||||
}).Infof("Updated %d of %d key(s) in database", len(storeResults), len(results))
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -90,7 +90,7 @@ func (s *httpServerKeyInternalAPI) FetchKeys(
|
|||
Results: make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult),
|
||||
}
|
||||
for req, ts := range requests {
|
||||
if res, ok := s.cache.GetServerKey(req); ok {
|
||||
if res, ok := s.cache.GetServerKey(req, ts); ok {
|
||||
result[req] = res
|
||||
continue
|
||||
}
|
||||
|
|
|
|||
|
|
@ -46,7 +46,11 @@ func NewInternalAPI(
|
|||
}
|
||||
|
||||
internalAPI := internal.ServerKeyAPI{
|
||||
FedClient: fedClient,
|
||||
ServerName: cfg.Matrix.ServerName,
|
||||
ServerPublicKey: cfg.Matrix.PrivateKey.Public().(ed25519.PublicKey),
|
||||
ServerKeyID: cfg.Matrix.KeyID,
|
||||
ServerKeyValidity: cfg.Matrix.KeyValidityPeriod,
|
||||
FedClient: fedClient,
|
||||
OurKeyRing: gomatrixserverlib.KeyRing{
|
||||
KeyFetchers: []gomatrixserverlib.KeyFetcher{
|
||||
&gomatrixserverlib.DirectKeyFetcher{
|
||||
|
|
|
|||
315
serverkeyapi/serverkeyapi_test.go
Normal file
315
serverkeyapi/serverkeyapi_test.go
Normal file
|
|
@ -0,0 +1,315 @@
|
|||
package serverkeyapi
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"context"
|
||||
"crypto/ed25519"
|
||||
"encoding/json"
|
||||
"fmt"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"os"
|
||||
"reflect"
|
||||
"testing"
|
||||
"time"
|
||||
|
||||
"github.com/matrix-org/dendrite/federationapi/routing"
|
||||
"github.com/matrix-org/dendrite/internal/caching"
|
||||
"github.com/matrix-org/dendrite/internal/config"
|
||||
"github.com/matrix-org/dendrite/serverkeyapi/api"
|
||||
"github.com/matrix-org/gomatrixserverlib"
|
||||
)
|
||||
|
||||
type server struct {
|
||||
name gomatrixserverlib.ServerName // server name
|
||||
validity time.Duration // key validity duration from now
|
||||
config *config.Dendrite // skeleton config, from TestMain
|
||||
fedclient *gomatrixserverlib.FederationClient // uses MockRoundTripper
|
||||
cache *caching.Caches // server-specific cache
|
||||
api api.ServerKeyInternalAPI // server-specific server key API
|
||||
}
|
||||
|
||||
func (s *server) renew() {
|
||||
// This updates the validity period to be an hour in the
|
||||
// future, which is particularly useful in server A and
|
||||
// server C's cases which have validity either as now or
|
||||
// in the past.
|
||||
s.validity = time.Hour
|
||||
s.config.Matrix.KeyValidityPeriod = s.validity
|
||||
}
|
||||
|
||||
var (
|
||||
serverKeyID = gomatrixserverlib.KeyID("ed25519:auto")
|
||||
serverA = &server{name: "a.com", validity: time.Duration(0)} // expires now
|
||||
serverB = &server{name: "b.com", validity: time.Hour} // expires in an hour
|
||||
serverC = &server{name: "c.com", validity: -time.Hour} // expired an hour ago
|
||||
)
|
||||
|
||||
var servers = map[string]*server{
|
||||
"a.com": serverA,
|
||||
"b.com": serverB,
|
||||
"c.com": serverC,
|
||||
}
|
||||
|
||||
func TestMain(m *testing.M) {
|
||||
// Set up the server key API for each "server" that we
|
||||
// will use in our tests.
|
||||
for _, s := range servers {
|
||||
// Generate a new key.
|
||||
_, testPriv, err := ed25519.GenerateKey(nil)
|
||||
if err != nil {
|
||||
panic("can't generate identity key: " + err.Error())
|
||||
}
|
||||
|
||||
// Create a new cache but don't enable prometheus!
|
||||
s.cache, err = caching.NewInMemoryLRUCache(false)
|
||||
if err != nil {
|
||||
panic("can't create cache: " + err.Error())
|
||||
}
|
||||
|
||||
// Draw up just enough Dendrite config for the server key
|
||||
// API to work.
|
||||
s.config = &config.Dendrite{}
|
||||
s.config.SetDefaults()
|
||||
s.config.Matrix.ServerName = gomatrixserverlib.ServerName(s.name)
|
||||
s.config.Matrix.PrivateKey = testPriv
|
||||
s.config.Matrix.KeyID = serverKeyID
|
||||
s.config.Matrix.KeyValidityPeriod = s.validity
|
||||
s.config.Database.ServerKey = config.DataSource("file::memory:")
|
||||
|
||||
// Create a transport which redirects federation requests to
|
||||
// the mock round tripper. Since we're not *really* listening for
|
||||
// federation requests then this will return the key instead.
|
||||
transport := &http.Transport{}
|
||||
transport.RegisterProtocol("matrix", &MockRoundTripper{})
|
||||
|
||||
// Create the federation client.
|
||||
s.fedclient = gomatrixserverlib.NewFederationClientWithTransport(
|
||||
s.config.Matrix.ServerName, serverKeyID, testPriv, transport,
|
||||
)
|
||||
|
||||
// Finally, build the server key APIs.
|
||||
s.api = NewInternalAPI(s.config, s.fedclient, s.cache)
|
||||
}
|
||||
|
||||
// Now that we have built our server key APIs, start the
|
||||
// rest of the tests.
|
||||
os.Exit(m.Run())
|
||||
}
|
||||
|
||||
type MockRoundTripper struct{}
|
||||
|
||||
func (m *MockRoundTripper) RoundTrip(req *http.Request) (res *http.Response, err error) {
|
||||
// Check if the request is looking for keys from a server that
|
||||
// we know about in the test. The only reason this should go wrong
|
||||
// is if the test is broken.
|
||||
s, ok := servers[req.Host]
|
||||
if !ok {
|
||||
return nil, fmt.Errorf("server not known: %s", req.Host)
|
||||
}
|
||||
|
||||
// We're intercepting /matrix/key/v2/server requests here, so check
|
||||
// that the URL supplied in the request is for that.
|
||||
if req.URL.Path != "/_matrix/key/v2/server" {
|
||||
return nil, fmt.Errorf("unexpected request path: %s", req.URL.Path)
|
||||
}
|
||||
|
||||
// Get the keys and JSON-ify them.
|
||||
keys := routing.LocalKeys(s.config)
|
||||
body, err := json.MarshalIndent(keys.JSON, "", " ")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// And respond.
|
||||
res = &http.Response{
|
||||
StatusCode: 200,
|
||||
Body: ioutil.NopCloser(bytes.NewReader(body)),
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func TestServersRequestOwnKeys(t *testing.T) {
|
||||
// Each server will request its own keys. There's no reason
|
||||
// for this to fail as each server should know its own keys.
|
||||
|
||||
for name, s := range servers {
|
||||
req := gomatrixserverlib.PublicKeyLookupRequest{
|
||||
ServerName: s.name,
|
||||
KeyID: serverKeyID,
|
||||
}
|
||||
res, err := s.api.FetchKeys(
|
||||
context.Background(),
|
||||
map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{
|
||||
req: gomatrixserverlib.AsTimestamp(time.Now()),
|
||||
},
|
||||
)
|
||||
if err != nil {
|
||||
t.Fatalf("server could not fetch own key: %s", err)
|
||||
}
|
||||
if _, ok := res[req]; !ok {
|
||||
t.Fatalf("server didn't return its own key in the results")
|
||||
}
|
||||
t.Logf("%s's key expires at %s\n", name, res[req].ValidUntilTS.Time())
|
||||
}
|
||||
}
|
||||
|
||||
func TestCachingBehaviour(t *testing.T) {
|
||||
// Server A will request Server B's key, which has a validity
|
||||
// period of an hour from now. We should retrieve the key and
|
||||
// it should make it into the cache automatically.
|
||||
|
||||
req := gomatrixserverlib.PublicKeyLookupRequest{
|
||||
ServerName: serverB.name,
|
||||
KeyID: serverKeyID,
|
||||
}
|
||||
ts := gomatrixserverlib.AsTimestamp(time.Now())
|
||||
|
||||
res, err := serverA.api.FetchKeys(
|
||||
context.Background(),
|
||||
map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{
|
||||
req: ts,
|
||||
},
|
||||
)
|
||||
if err != nil {
|
||||
t.Fatalf("server A failed to retrieve server B key: %s", err)
|
||||
}
|
||||
if len(res) != 1 {
|
||||
t.Fatalf("server B should have returned one key but instead returned %d keys", len(res))
|
||||
}
|
||||
if _, ok := res[req]; !ok {
|
||||
t.Fatalf("server B isn't included in the key fetch response")
|
||||
}
|
||||
|
||||
// At this point, if the previous key request was a success,
|
||||
// then the cache should now contain the key. Check if that's
|
||||
// the case - if it isn't then there's something wrong with
|
||||
// the cache implementation or we failed to get the key.
|
||||
|
||||
cres, ok := serverA.cache.GetServerKey(req, ts)
|
||||
if !ok {
|
||||
t.Fatalf("server B key should be in cache but isn't")
|
||||
}
|
||||
if !reflect.DeepEqual(cres, res[req]) {
|
||||
t.Fatalf("the cached result from server B wasn't what server B gave us")
|
||||
}
|
||||
|
||||
// If we ask the cache for the same key but this time for an event
|
||||
// that happened in +30 minutes. Since the validity period is for
|
||||
// another hour, then we should get a response back from the cache.
|
||||
|
||||
_, ok = serverA.cache.GetServerKey(
|
||||
req,
|
||||
gomatrixserverlib.AsTimestamp(time.Now().Add(time.Minute*30)),
|
||||
)
|
||||
if !ok {
|
||||
t.Fatalf("server B key isn't in cache when it should be (+30 minutes)")
|
||||
}
|
||||
|
||||
// If we ask the cache for the same key but this time for an event
|
||||
// that happened in +90 minutes then we should expect to get no
|
||||
// cache result. This is because the cache shouldn't return a result
|
||||
// that is obviously past the validity of the event.
|
||||
|
||||
_, ok = serverA.cache.GetServerKey(
|
||||
req,
|
||||
gomatrixserverlib.AsTimestamp(time.Now().Add(time.Minute*90)),
|
||||
)
|
||||
if ok {
|
||||
t.Fatalf("server B key is in cache when it shouldn't be (+90 minutes)")
|
||||
}
|
||||
}
|
||||
|
||||
func TestRenewalBehaviour(t *testing.T) {
|
||||
// Server A will request Server C's key but their validity period
|
||||
// is an hour in the past. We'll retrieve the key as, even though it's
|
||||
// past its validity, it will be able to verify past events.
|
||||
|
||||
req := gomatrixserverlib.PublicKeyLookupRequest{
|
||||
ServerName: serverC.name,
|
||||
KeyID: serverKeyID,
|
||||
}
|
||||
|
||||
res, err := serverA.api.FetchKeys(
|
||||
context.Background(),
|
||||
map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{
|
||||
req: gomatrixserverlib.AsTimestamp(time.Now()),
|
||||
},
|
||||
)
|
||||
if err != nil {
|
||||
t.Fatalf("server A failed to retrieve server C key: %s", err)
|
||||
}
|
||||
if len(res) != 1 {
|
||||
t.Fatalf("server C should have returned one key but instead returned %d keys", len(res))
|
||||
}
|
||||
if _, ok := res[req]; !ok {
|
||||
t.Fatalf("server C isn't included in the key fetch response")
|
||||
}
|
||||
|
||||
// If we ask the cache for the server key for an event that happened
|
||||
// 90 minutes ago then we should get a cache result, as the key hadn't
|
||||
// passed its validity by that point. The fact that the key is now in
|
||||
// the cache is, in itself, proof that we successfully retrieved the
|
||||
// key before.
|
||||
|
||||
oldcached, ok := serverA.cache.GetServerKey(
|
||||
req,
|
||||
gomatrixserverlib.AsTimestamp(time.Now().Add(-time.Minute*90)),
|
||||
)
|
||||
if !ok {
|
||||
t.Fatalf("server C key isn't in cache when it should be (-90 minutes)")
|
||||
}
|
||||
|
||||
// If we now ask the cache for the same key but this time for an event
|
||||
// that only happened 30 minutes ago then we shouldn't get a cached
|
||||
// result, as the event happened after the key validity expired. This
|
||||
// is really just for sanity checking.
|
||||
|
||||
_, ok = serverA.cache.GetServerKey(
|
||||
req,
|
||||
gomatrixserverlib.AsTimestamp(time.Now().Add(-time.Minute*30)),
|
||||
)
|
||||
if ok {
|
||||
t.Fatalf("server B key is in cache when it shouldn't be (-30 minutes)")
|
||||
}
|
||||
|
||||
// We're now going to kick server C into renewing its key. Since we're
|
||||
// happy at this point that the key that we already have is from the past
|
||||
// then repeating a key fetch should cause us to try and renew the key.
|
||||
// If so, then the new key will end up in our cache.
|
||||
|
||||
serverC.renew()
|
||||
|
||||
res, err = serverA.api.FetchKeys(
|
||||
context.Background(),
|
||||
map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{
|
||||
req: gomatrixserverlib.AsTimestamp(time.Now()),
|
||||
},
|
||||
)
|
||||
if err != nil {
|
||||
t.Fatalf("server A failed to retrieve server C key: %s", err)
|
||||
}
|
||||
if len(res) != 1 {
|
||||
t.Fatalf("server C should have returned one key but instead returned %d keys", len(res))
|
||||
}
|
||||
if _, ok = res[req]; !ok {
|
||||
t.Fatalf("server C isn't included in the key fetch response")
|
||||
}
|
||||
|
||||
// We're now going to ask the cache what the new key validity is. If
|
||||
// it is still the same as the previous validity then we've failed to
|
||||
// retrieve the renewed key. If it's newer then we've successfully got
|
||||
// the renewed key.
|
||||
|
||||
newcached, ok := serverA.cache.GetServerKey(
|
||||
req,
|
||||
gomatrixserverlib.AsTimestamp(time.Now().Add(-time.Minute*30)),
|
||||
)
|
||||
if !ok {
|
||||
t.Fatalf("server B key isn't in cache when it shouldn't be (post-renewal)")
|
||||
}
|
||||
if oldcached.ValidUntilTS >= newcached.ValidUntilTS {
|
||||
t.Fatalf("the server B key should have been renewed but wasn't")
|
||||
}
|
||||
t.Log(res)
|
||||
}
|
||||
4
serverkeyapi/storage/cache/keydb.go
vendored
4
serverkeyapi/storage/cache/keydb.go
vendored
|
|
@ -39,8 +39,8 @@ func (d *KeyDatabase) FetchKeys(
|
|||
requests map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp,
|
||||
) (map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult, error) {
|
||||
results := make(map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult)
|
||||
for req := range requests {
|
||||
if res, cached := d.cache.GetServerKey(req); cached {
|
||||
for req, ts := range requests {
|
||||
if res, cached := d.cache.GetServerKey(req, ts); cached {
|
||||
results[req] = res
|
||||
delete(requests, req)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,7 +17,6 @@ package postgres
|
|||
|
||||
import (
|
||||
"context"
|
||||
"time"
|
||||
|
||||
"golang.org/x/crypto/ed25519"
|
||||
|
||||
|
|
@ -51,28 +50,6 @@ func NewDatabase(
|
|||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
// Store our own keys so that we don't end up making HTTP requests to find our
|
||||
// own keys
|
||||
index := gomatrixserverlib.PublicKeyLookupRequest{
|
||||
ServerName: serverName,
|
||||
KeyID: serverKeyID,
|
||||
}
|
||||
value := gomatrixserverlib.PublicKeyLookupResult{
|
||||
VerifyKey: gomatrixserverlib.VerifyKey{
|
||||
Key: gomatrixserverlib.Base64Bytes(serverKey),
|
||||
},
|
||||
ValidUntilTS: gomatrixserverlib.AsTimestamp(time.Now().Add(100 * 365 * 24 * time.Hour)),
|
||||
ExpiredTS: gomatrixserverlib.PublicKeyNotExpired,
|
||||
}
|
||||
err = d.StoreKeys(
|
||||
context.Background(),
|
||||
map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{
|
||||
index: value,
|
||||
},
|
||||
)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return d, nil
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -17,7 +17,6 @@ package sqlite3
|
|||
|
||||
import (
|
||||
"context"
|
||||
"time"
|
||||
|
||||
"golang.org/x/crypto/ed25519"
|
||||
|
||||
|
|
@ -56,25 +55,6 @@ func NewDatabase(
|
|||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
// Store our own keys so that we don't end up making HTTP requests to find our
|
||||
// own keys
|
||||
index := gomatrixserverlib.PublicKeyLookupRequest{
|
||||
ServerName: serverName,
|
||||
KeyID: serverKeyID,
|
||||
}
|
||||
value := gomatrixserverlib.PublicKeyLookupResult{
|
||||
VerifyKey: gomatrixserverlib.VerifyKey{
|
||||
Key: gomatrixserverlib.Base64Bytes(serverKey),
|
||||
},
|
||||
ValidUntilTS: gomatrixserverlib.AsTimestamp(time.Now().Add(100 * 365 * 24 * time.Hour)),
|
||||
ExpiredTS: gomatrixserverlib.PublicKeyNotExpired,
|
||||
}
|
||||
err = d.StoreKeys(
|
||||
context.Background(),
|
||||
map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult{
|
||||
index: value,
|
||||
},
|
||||
)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue