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Scope transactions to endpoints (#2799) 

To avoid returning results from e.g. `/redact` on `/sendToDevice`
requests.
Takes the raw URL path and uses `filepath.Dir` to remove the `txnID`
(file) from it.

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
This commit is contained in:
Till 2022-10-17 14:48:35 +02:00 committed by GitHub
parent d72d4f8d5d
commit 07bfb791ca
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 59 additions and 26 deletions
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9
clientapi/routing/redaction.go
View File

@ -19,6 +19,9 @@ import (
"net/http"
"time"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/internal/eventutil"
@ -26,8 +29,6 @@ import (
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/setup/config"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
)
type redactionContent struct {
@ -51,7 +52,7 @@ func SendRedaction(
if txnID != nil {
// Try to fetch response from transactionsCache
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
return *res
}
}
@ -144,7 +145,7 @@ func SendRedaction(
// Add response to transactionsCache
if txnID != nil {
txnCache.AddTransaction(device.AccessToken, *txnID, &res)
txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
}
return res

4
clientapi/routing/sendevent.go
View File

@ -86,7 +86,7 @@ func SendEvent(
if txnID != nil {
// Try to fetch response from transactionsCache
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
return *res
}
}
@ -206,7 +206,7 @@ func SendEvent(
}
// Add response to transactionsCache
if txnID != nil {
txnCache.AddTransaction(device.AccessToken, *txnID, &res)
txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
}
// Take a note of how long it took to generate the event vs submit

7
clientapi/routing/sendtodevice.go
View File

@ -16,12 +16,13 @@ import (
"encoding/json"
"net/http"
"github.com/matrix-org/util"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/clientapi/producers"
"github.com/matrix-org/dendrite/internal/transactions"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/util"
)
// SendToDevice handles PUT /_matrix/client/r0/sendToDevice/{eventType}/{txnId}
@ -33,7 +34,7 @@ func SendToDevice(
eventType string, txnID *string,
) util.JSONResponse {
if txnID != nil {
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
return *res
}
}
@ -63,7 +64,7 @@ func SendToDevice(
}
if txnID != nil {
txnCache.AddTransaction(device.AccessToken, *txnID, &res)
txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
}
return res

7
clientapi/routing/server_notices.go
View File

@ -21,7 +21,6 @@ import (
"net/http"
"time"
"github.com/matrix-org/dendrite/roomserver/version"
"github.com/matrix-org/gomatrix"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/gomatrixserverlib/tokens"
@ -29,6 +28,8 @@ import (
"github.com/prometheus/client_golang/prometheus"
"github.com/sirupsen/logrus"
"github.com/matrix-org/dendrite/roomserver/version"
appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
"github.com/matrix-org/dendrite/clientapi/httputil"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
@ -73,7 +74,7 @@ func SendServerNotice(
if txnID != nil {
// Try to fetch response from transactionsCache
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
return *res
}
}
@ -251,7 +252,7 @@ func SendServerNotice(
}
// Add response to transactionsCache
if txnID != nil {
txnCache.AddTransaction(device.AccessToken, *txnID, &res)
txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
}
// Take a note of how long it took to generate the event vs submit

16
internal/transactions/transactions.go
View File

@ -13,6 +13,8 @@
package transactions
import (
"net/url"
"path/filepath"
"sync"
"time"
@ -29,6 +31,7 @@ type txnsMap map[CacheKey]*util.JSONResponse
type CacheKey struct {
AccessToken string
TxnID string
Endpoint string
}
// Cache represents a temporary store for response entries.
@ -57,14 +60,14 @@ func NewWithCleanupPeriod(cleanupPeriod time.Duration) *Cache {
return &t
}
// FetchTransaction looks up an entry for the (accessToken, txnID) tuple in Cache.
// FetchTransaction looks up an entry for the (accessToken, txnID, req.URL) tuple in Cache.
// Looks in both the txnMaps.
// Returns (JSON response, true) if txnID is found, else the returned bool is false.
func (t *Cache) FetchTransaction(accessToken, txnID string) (*util.JSONResponse, bool) {
func (t *Cache) FetchTransaction(accessToken, txnID string, u *url.URL) (*util.JSONResponse, bool) {
t.RLock()
defer t.RUnlock()
for _, txns := range t.txnsMaps {
res, ok := txns[CacheKey{accessToken, txnID}]
res, ok := txns[CacheKey{accessToken, txnID, filepath.Dir(u.Path)}]
if ok {
return res, true
}
@ -72,13 +75,12 @@ func (t *Cache) FetchTransaction(accessToken, txnID string) (*util.JSONResponse,
return nil, false
}
// AddTransaction adds an entry for the (accessToken, txnID) tuple in Cache.
// AddTransaction adds an entry for the (accessToken, txnID, req.URL) tuple in Cache.
// Adds to the front txnMap.
func (t *Cache) AddTransaction(accessToken, txnID string, res *util.JSONResponse) {
func (t *Cache) AddTransaction(accessToken, txnID string, u *url.URL, res *util.JSONResponse) {
t.Lock()
defer t.Unlock()
t.txnsMaps[0][CacheKey{accessToken, txnID}] = res
t.txnsMaps[0][CacheKey{accessToken, txnID, filepath.Dir(u.Path)}] = res
}
// cacheCleanService is responsible for cleaning up entries after cleanupPeriod.

42
internal/transactions/transactions_test.go
View File

@ -14,6 +14,9 @@ package transactions
import (
"net/http"
"net/url"
"path/filepath"
"reflect"
"strconv"
"testing"
@ -24,6 +27,16 @@ type fakeType struct {
ID string `json:"ID"`
}
func TestCompare(t *testing.T) {
u1, _ := url.Parse("/send/1?accessToken=123")
u2, _ := url.Parse("/send/1")
c1 := CacheKey{"1", "2", filepath.Dir(u1.Path)}
c2 := CacheKey{"1", "2", filepath.Dir(u2.Path)}
if !reflect.DeepEqual(c1, c2) {
t.Fatalf("Cache keys differ: %+v <> %+v", c1, c2)
}
}
var (
fakeAccessToken = "aRandomAccessToken"
fakeAccessToken2 = "anotherRandomAccessToken"
@ -34,23 +47,28 @@ var (
fakeResponse2 = &util.JSONResponse{
Code: http.StatusOK, JSON: fakeType{ID: "1"},
}
fakeResponse3 = &util.JSONResponse{
Code: http.StatusOK, JSON: fakeType{ID: "2"},
}
)
// TestCache creates a New Cache and tests AddTransaction & FetchTransaction
func TestCache(t *testing.T) {
fakeTxnCache := New()
fakeTxnCache.AddTransaction(fakeAccessToken, fakeTxnID, fakeResponse)
u, _ := url.Parse("")
fakeTxnCache.AddTransaction(fakeAccessToken, fakeTxnID, u, fakeResponse)
// Add entries for noise.
for i := 1; i <= 100; i++ {
fakeTxnCache.AddTransaction(
fakeAccessToken,
fakeTxnID+strconv.Itoa(i),
u,
&util.JSONResponse{Code: http.StatusOK, JSON: fakeType{ID: strconv.Itoa(i)}},
)
}
testResponse, ok := fakeTxnCache.FetchTransaction(fakeAccessToken, fakeTxnID)
testResponse, ok := fakeTxnCache.FetchTransaction(fakeAccessToken, fakeTxnID, u)
if !ok {
t.Error("Failed to retrieve entry for txnID: ", fakeTxnID)
} else if testResponse.JSON != fakeResponse.JSON {
@ -59,20 +77,30 @@ func TestCache(t *testing.T) {
}
// TestCacheScope ensures transactions with the same transaction ID are not shared
// across multiple access tokens.
// across multiple access tokens and endpoints.
func TestCacheScope(t *testing.T) {
cache := New()
cache.AddTransaction(fakeAccessToken, fakeTxnID, fakeResponse)
cache.AddTransaction(fakeAccessToken2, fakeTxnID, fakeResponse2)
sendEndpoint, _ := url.Parse("/send/1?accessToken=test")
sendToDeviceEndpoint, _ := url.Parse("/sendToDevice/1")
cache.AddTransaction(fakeAccessToken, fakeTxnID, sendEndpoint, fakeResponse)
cache.AddTransaction(fakeAccessToken2, fakeTxnID, sendEndpoint, fakeResponse2)
cache.AddTransaction(fakeAccessToken2, fakeTxnID, sendToDeviceEndpoint, fakeResponse3)
if res, ok := cache.FetchTransaction(fakeAccessToken, fakeTxnID); !ok {
if res, ok := cache.FetchTransaction(fakeAccessToken, fakeTxnID, sendEndpoint); !ok {
t.Errorf("failed to retrieve entry for (%s, %s)", fakeAccessToken, fakeTxnID)
} else if res.JSON != fakeResponse.JSON {
t.Errorf("Wrong cache entry for (%s, %s). Expected: %v; got: %v", fakeAccessToken, fakeTxnID, fakeResponse.JSON, res.JSON)
}
if res, ok := cache.FetchTransaction(fakeAccessToken2, fakeTxnID); !ok {
if res, ok := cache.FetchTransaction(fakeAccessToken2, fakeTxnID, sendEndpoint); !ok {
t.Errorf("failed to retrieve entry for (%s, %s)", fakeAccessToken, fakeTxnID)
} else if res.JSON != fakeResponse2.JSON {
t.Errorf("Wrong cache entry for (%s, %s). Expected: %v; got: %v", fakeAccessToken, fakeTxnID, fakeResponse2.JSON, res.JSON)
}
// Ensure the txnID is not shared across endpoints
if res, ok := cache.FetchTransaction(fakeAccessToken2, fakeTxnID, sendToDeviceEndpoint); !ok {
t.Errorf("failed to retrieve entry for (%s, %s)", fakeAccessToken, fakeTxnID)
} else if res.JSON != fakeResponse3.JSON {
t.Errorf("Wrong cache entry for (%s, %s). Expected: %v; got: %v", fakeAccessToken, fakeTxnID, fakeResponse2.JSON, res.JSON)
}
}