mirror of
https://github.com/1f349/dendrite.git
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239 lines
7.4 KiB
Go
239 lines
7.4 KiB
Go
package federationapi
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import (
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"bytes"
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"context"
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"crypto/ed25519"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"os"
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"testing"
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"time"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/dendrite/setup/jetstream"
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"github.com/matrix-org/dendrite/setup/process"
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"github.com/matrix-org/gomatrixserverlib"
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"github.com/matrix-org/gomatrixserverlib/fclient"
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"github.com/matrix-org/dendrite/federationapi/api"
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"github.com/matrix-org/dendrite/federationapi/routing"
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"github.com/matrix-org/dendrite/internal/caching"
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"github.com/matrix-org/dendrite/setup/config"
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)
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type server struct {
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name gomatrixserverlib.ServerName // server name
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validity time.Duration // key validity duration from now
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config *config.FederationAPI // skeleton config, from TestMain
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fedclient *fclient.FederationClient // uses MockRoundTripper
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cache *caching.Caches // server-specific cache
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api api.FederationInternalAPI // server-specific server key API
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}
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func (s *server) renew() {
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// This updates the validity period to be an hour in the
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// future, which is particularly useful in server A and
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// server C's cases which have validity either as now or
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// in the past.
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s.validity = time.Hour
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s.config.Matrix.KeyValidityPeriod = s.validity
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}
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var (
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serverKeyID = gomatrixserverlib.KeyID("ed25519:auto")
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serverA = &server{name: "a.com", validity: time.Duration(0)} // expires now
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serverB = &server{name: "b.com", validity: time.Hour} // expires in an hour
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serverC = &server{name: "c.com", validity: -time.Hour} // expired an hour ago
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)
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var servers = map[string]*server{
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"a.com": serverA,
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"b.com": serverB,
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"c.com": serverC,
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}
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func TestMain(m *testing.M) {
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// Set up the server key API for each "server" that we
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// will use in our tests.
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os.Exit(func() int {
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for _, s := range servers {
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// Generate a new key.
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_, testPriv, err := ed25519.GenerateKey(nil)
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if err != nil {
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panic("can't generate identity key: " + err.Error())
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}
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// Create a new cache but don't enable prometheus!
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s.cache = caching.NewRistrettoCache(8*1024*1024, time.Hour, false)
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natsInstance := jetstream.NATSInstance{}
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// Create a temporary directory for JetStream.
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d, err := os.MkdirTemp("./", "jetstream*")
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if err != nil {
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panic(err)
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}
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defer os.RemoveAll(d)
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// Draw up just enough Dendrite config for the server key
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// API to work.
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cfg := &config.Dendrite{}
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cfg.Defaults(config.DefaultOpts{
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Generate: true,
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SingleDatabase: false,
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})
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cfg.Global.ServerName = gomatrixserverlib.ServerName(s.name)
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cfg.Global.PrivateKey = testPriv
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cfg.Global.JetStream.InMemory = true
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cfg.Global.JetStream.TopicPrefix = string(s.name[:1])
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cfg.Global.JetStream.StoragePath = config.Path(d)
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cfg.Global.KeyID = serverKeyID
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cfg.Global.KeyValidityPeriod = s.validity
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cfg.FederationAPI.KeyPerspectives = nil
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f, err := os.CreateTemp(d, "federation_keys_test*.db")
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if err != nil {
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return -1
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}
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defer f.Close()
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cfg.FederationAPI.Database.ConnectionString = config.DataSource("file:" + f.Name())
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s.config = &cfg.FederationAPI
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// Create a transport which redirects federation requests to
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// the mock round tripper. Since we're not *really* listening for
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// federation requests then this will return the key instead.
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transport := &http.Transport{}
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transport.RegisterProtocol("matrix", &MockRoundTripper{})
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// Create the federation client.
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s.fedclient = fclient.NewFederationClient(
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s.config.Matrix.SigningIdentities(),
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fclient.WithTransport(transport),
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)
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// Finally, build the server key APIs.
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processCtx := process.NewProcessContext()
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cm := sqlutil.NewConnectionManager(processCtx, cfg.Global.DatabaseOptions)
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s.api = NewInternalAPI(processCtx, cfg, cm, &natsInstance, s.fedclient, nil, s.cache, nil, true)
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}
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// Now that we have built our server key APIs, start the
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// rest of the tests.
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return m.Run()
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}())
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}
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type MockRoundTripper struct{}
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func (m *MockRoundTripper) RoundTrip(req *http.Request) (res *http.Response, err error) {
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// Check if the request is looking for keys from a server that
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// we know about in the test. The only reason this should go wrong
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// is if the test is broken.
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s, ok := servers[req.Host]
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if !ok {
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return nil, fmt.Errorf("server not known: %s", req.Host)
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}
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// We're intercepting /matrix/key/v2/server requests here, so check
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// that the URL supplied in the request is for that.
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if req.URL.Path != "/_matrix/key/v2/server" {
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return nil, fmt.Errorf("unexpected request path: %s", req.URL.Path)
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}
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// Get the keys and JSON-ify them.
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keys := routing.LocalKeys(s.config, gomatrixserverlib.ServerName(req.Host))
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body, err := json.MarshalIndent(keys.JSON, "", " ")
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if err != nil {
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return nil, err
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}
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// And respond.
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res = &http.Response{
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StatusCode: 200,
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Body: io.NopCloser(bytes.NewReader(body)),
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}
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return
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}
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func TestServersRequestOwnKeys(t *testing.T) {
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// Each server will request its own keys. There's no reason
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// for this to fail as each server should know its own keys.
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for name, s := range servers {
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req := gomatrixserverlib.PublicKeyLookupRequest{
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ServerName: s.name,
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KeyID: serverKeyID,
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}
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res, err := s.api.FetchKeys(
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context.Background(),
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map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{
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req: gomatrixserverlib.AsTimestamp(time.Now()),
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},
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)
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if err != nil {
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t.Fatalf("server could not fetch own key: %s", err)
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}
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if _, ok := res[req]; !ok {
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t.Fatalf("server didn't return its own key in the results")
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}
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t.Logf("%s's key expires at %s\n", name, res[req].ValidUntilTS.Time())
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}
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}
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func TestRenewalBehaviour(t *testing.T) {
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// Server A will request Server C's key but their validity period
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// is an hour in the past. We'll retrieve the key as, even though it's
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// past its validity, it will be able to verify past events.
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req := gomatrixserverlib.PublicKeyLookupRequest{
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ServerName: serverC.name,
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KeyID: serverKeyID,
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}
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res, err := serverA.api.FetchKeys(
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context.Background(),
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map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{
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req: gomatrixserverlib.AsTimestamp(time.Now()),
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},
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)
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if err != nil {
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t.Fatalf("server A failed to retrieve server C key: %s", err)
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}
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if len(res) != 1 {
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t.Fatalf("server C should have returned one key but instead returned %d keys", len(res))
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}
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if _, ok := res[req]; !ok {
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t.Fatalf("server C isn't included in the key fetch response")
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}
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originalValidity := res[req].ValidUntilTS
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// We're now going to kick server C into renewing its key. Since we're
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// happy at this point that the key that we already have is from the past
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// then repeating a key fetch should cause us to try and renew the key.
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// If so, then the new key will end up in our cache.
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serverC.renew()
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res, err = serverA.api.FetchKeys(
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context.Background(),
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map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.Timestamp{
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req: gomatrixserverlib.AsTimestamp(time.Now()),
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},
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)
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if err != nil {
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t.Fatalf("server A failed to retrieve server C key: %s", err)
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}
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if len(res) != 1 {
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t.Fatalf("server C should have returned one key but instead returned %d keys", len(res))
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}
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if _, ok := res[req]; !ok {
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t.Fatalf("server C isn't included in the key fetch response")
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}
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currentValidity := res[req].ValidUntilTS
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if originalValidity == currentValidity {
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t.Fatalf("server C key should have renewed but didn't")
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}
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}
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