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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>
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07bfb791ca
@ -19,6 +19,9 @@ import (
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"net/http"
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"time"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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"github.com/matrix-org/dendrite/clientapi/httputil"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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"github.com/matrix-org/dendrite/internal/eventutil"
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@ -26,8 +29,6 @@ import (
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roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/setup/config"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/util"
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)
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type redactionContent struct {
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@ -51,7 +52,7 @@ func SendRedaction(
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if txnID != nil {
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// Try to fetch response from transactionsCache
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
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return *res
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}
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}
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@ -144,7 +145,7 @@ func SendRedaction(
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// Add response to transactionsCache
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if txnID != nil {
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txnCache.AddTransaction(device.AccessToken, *txnID, &res)
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txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
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}
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return res
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@ -86,7 +86,7 @@ func SendEvent(
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if txnID != nil {
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// Try to fetch response from transactionsCache
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
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return *res
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}
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}
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@ -206,7 +206,7 @@ func SendEvent(
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}
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// Add response to transactionsCache
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if txnID != nil {
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txnCache.AddTransaction(device.AccessToken, *txnID, &res)
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txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
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}
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// Take a note of how long it took to generate the event vs submit
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@ -16,12 +16,13 @@ import (
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"encoding/json"
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"net/http"
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"github.com/matrix-org/util"
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"github.com/matrix-org/dendrite/clientapi/httputil"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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"github.com/matrix-org/dendrite/clientapi/producers"
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"github.com/matrix-org/dendrite/internal/transactions"
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userapi "github.com/matrix-org/dendrite/userapi/api"
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"github.com/matrix-org/util"
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)
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// SendToDevice handles PUT /_matrix/client/r0/sendToDevice/{eventType}/{txnId}
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@ -33,7 +34,7 @@ func SendToDevice(
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eventType string, txnID *string,
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) util.JSONResponse {
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if txnID != nil {
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
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return *res
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}
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}
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@ -63,7 +64,7 @@ func SendToDevice(
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}
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if txnID != nil {
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txnCache.AddTransaction(device.AccessToken, *txnID, &res)
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txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
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}
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return res
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@ -21,7 +21,6 @@ import (
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"net/http"
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"time"
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"github.com/matrix-org/dendrite/roomserver/version"
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"github.com/matrix-org/gomatrix"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/tokens"
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@ -29,6 +28,8 @@ import (
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"github.com/prometheus/client_golang/prometheus"
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"github.com/sirupsen/logrus"
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"github.com/matrix-org/dendrite/roomserver/version"
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appserviceAPI "github.com/matrix-org/dendrite/appservice/api"
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"github.com/matrix-org/dendrite/clientapi/httputil"
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"github.com/matrix-org/dendrite/clientapi/jsonerror"
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@ -73,7 +74,7 @@ func SendServerNotice(
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if txnID != nil {
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// Try to fetch response from transactionsCache
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID); ok {
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if res, ok := txnCache.FetchTransaction(device.AccessToken, *txnID, req.URL); ok {
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return *res
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}
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}
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@ -251,7 +252,7 @@ func SendServerNotice(
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}
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// Add response to transactionsCache
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if txnID != nil {
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txnCache.AddTransaction(device.AccessToken, *txnID, &res)
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txnCache.AddTransaction(device.AccessToken, *txnID, req.URL, &res)
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}
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// Take a note of how long it took to generate the event vs submit
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@ -13,6 +13,8 @@
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package transactions
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import (
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"net/url"
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"path/filepath"
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"sync"
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"time"
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@ -29,6 +31,7 @@ type txnsMap map[CacheKey]*util.JSONResponse
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type CacheKey struct {
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AccessToken string
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TxnID string
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Endpoint string
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}
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// Cache represents a temporary store for response entries.
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@ -57,14 +60,14 @@ func NewWithCleanupPeriod(cleanupPeriod time.Duration) *Cache {
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return &t
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}
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// FetchTransaction looks up an entry for the (accessToken, txnID) tuple in Cache.
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// FetchTransaction looks up an entry for the (accessToken, txnID, req.URL) tuple in Cache.
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// Looks in both the txnMaps.
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// Returns (JSON response, true) if txnID is found, else the returned bool is false.
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func (t *Cache) FetchTransaction(accessToken, txnID string) (*util.JSONResponse, bool) {
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func (t *Cache) FetchTransaction(accessToken, txnID string, u *url.URL) (*util.JSONResponse, bool) {
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t.RLock()
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defer t.RUnlock()
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for _, txns := range t.txnsMaps {
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res, ok := txns[CacheKey{accessToken, txnID}]
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res, ok := txns[CacheKey{accessToken, txnID, filepath.Dir(u.Path)}]
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if ok {
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return res, true
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}
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@ -72,13 +75,12 @@ func (t *Cache) FetchTransaction(accessToken, txnID string) (*util.JSONResponse,
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return nil, false
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}
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// AddTransaction adds an entry for the (accessToken, txnID) tuple in Cache.
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// AddTransaction adds an entry for the (accessToken, txnID, req.URL) tuple in Cache.
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// Adds to the front txnMap.
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func (t *Cache) AddTransaction(accessToken, txnID string, res *util.JSONResponse) {
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func (t *Cache) AddTransaction(accessToken, txnID string, u *url.URL, res *util.JSONResponse) {
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t.Lock()
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defer t.Unlock()
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t.txnsMaps[0][CacheKey{accessToken, txnID}] = res
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t.txnsMaps[0][CacheKey{accessToken, txnID, filepath.Dir(u.Path)}] = res
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}
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// cacheCleanService is responsible for cleaning up entries after cleanupPeriod.
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@ -14,6 +14,9 @@ package transactions
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import (
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"net/http"
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"net/url"
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"path/filepath"
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"reflect"
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"strconv"
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"testing"
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@ -24,6 +27,16 @@ type fakeType struct {
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ID string `json:"ID"`
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}
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func TestCompare(t *testing.T) {
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u1, _ := url.Parse("/send/1?accessToken=123")
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u2, _ := url.Parse("/send/1")
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c1 := CacheKey{"1", "2", filepath.Dir(u1.Path)}
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c2 := CacheKey{"1", "2", filepath.Dir(u2.Path)}
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if !reflect.DeepEqual(c1, c2) {
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t.Fatalf("Cache keys differ: %+v <> %+v", c1, c2)
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}
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}
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var (
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fakeAccessToken = "aRandomAccessToken"
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fakeAccessToken2 = "anotherRandomAccessToken"
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@ -34,23 +47,28 @@ var (
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fakeResponse2 = &util.JSONResponse{
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Code: http.StatusOK, JSON: fakeType{ID: "1"},
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}
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fakeResponse3 = &util.JSONResponse{
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Code: http.StatusOK, JSON: fakeType{ID: "2"},
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}
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)
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// TestCache creates a New Cache and tests AddTransaction & FetchTransaction
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func TestCache(t *testing.T) {
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fakeTxnCache := New()
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fakeTxnCache.AddTransaction(fakeAccessToken, fakeTxnID, fakeResponse)
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u, _ := url.Parse("")
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fakeTxnCache.AddTransaction(fakeAccessToken, fakeTxnID, u, fakeResponse)
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// Add entries for noise.
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for i := 1; i <= 100; i++ {
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fakeTxnCache.AddTransaction(
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fakeAccessToken,
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fakeTxnID+strconv.Itoa(i),
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u,
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&util.JSONResponse{Code: http.StatusOK, JSON: fakeType{ID: strconv.Itoa(i)}},
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)
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}
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testResponse, ok := fakeTxnCache.FetchTransaction(fakeAccessToken, fakeTxnID)
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testResponse, ok := fakeTxnCache.FetchTransaction(fakeAccessToken, fakeTxnID, u)
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if !ok {
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t.Error("Failed to retrieve entry for txnID: ", fakeTxnID)
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} else if testResponse.JSON != fakeResponse.JSON {
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@ -59,20 +77,30 @@ func TestCache(t *testing.T) {
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}
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// TestCacheScope ensures transactions with the same transaction ID are not shared
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// across multiple access tokens.
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// across multiple access tokens and endpoints.
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func TestCacheScope(t *testing.T) {
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cache := New()
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cache.AddTransaction(fakeAccessToken, fakeTxnID, fakeResponse)
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cache.AddTransaction(fakeAccessToken2, fakeTxnID, fakeResponse2)
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sendEndpoint, _ := url.Parse("/send/1?accessToken=test")
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sendToDeviceEndpoint, _ := url.Parse("/sendToDevice/1")
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cache.AddTransaction(fakeAccessToken, fakeTxnID, sendEndpoint, fakeResponse)
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cache.AddTransaction(fakeAccessToken2, fakeTxnID, sendEndpoint, fakeResponse2)
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cache.AddTransaction(fakeAccessToken2, fakeTxnID, sendToDeviceEndpoint, fakeResponse3)
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if res, ok := cache.FetchTransaction(fakeAccessToken, fakeTxnID); !ok {
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if res, ok := cache.FetchTransaction(fakeAccessToken, fakeTxnID, sendEndpoint); !ok {
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t.Errorf("failed to retrieve entry for (%s, %s)", fakeAccessToken, fakeTxnID)
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} else if res.JSON != fakeResponse.JSON {
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t.Errorf("Wrong cache entry for (%s, %s). Expected: %v; got: %v", fakeAccessToken, fakeTxnID, fakeResponse.JSON, res.JSON)
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}
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if res, ok := cache.FetchTransaction(fakeAccessToken2, fakeTxnID); !ok {
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if res, ok := cache.FetchTransaction(fakeAccessToken2, fakeTxnID, sendEndpoint); !ok {
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t.Errorf("failed to retrieve entry for (%s, %s)", fakeAccessToken, fakeTxnID)
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} else if res.JSON != fakeResponse2.JSON {
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t.Errorf("Wrong cache entry for (%s, %s). Expected: %v; got: %v", fakeAccessToken, fakeTxnID, fakeResponse2.JSON, res.JSON)
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}
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// Ensure the txnID is not shared across endpoints
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if res, ok := cache.FetchTransaction(fakeAccessToken2, fakeTxnID, sendToDeviceEndpoint); !ok {
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t.Errorf("failed to retrieve entry for (%s, %s)", fakeAccessToken, fakeTxnID)
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} else if res.JSON != fakeResponse3.JSON {
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t.Errorf("Wrong cache entry for (%s, %s). Expected: %v; got: %v", fakeAccessToken, fakeTxnID, fakeResponse2.JSON, res.JSON)
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}
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}
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