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Sanity check that the fake homeserver from Complement is listening and responding (at-least from the host perspective) #826

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Sanity check that the fake homeserver from Complement is listening and responding (at-least from the host perspective) #826

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c4777be
Non-working: Test fake homeserver is contactable from host-side
MadLittleMods Dec 10, 2025
772ec93
Working request
MadLittleMods Dec 10, 2025
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20 changes: 20 additions & 0 deletions federation/handle.go
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,26 @@ import (
"github.com/matrix-org/util"
)

// HandleVersionRequests is an option which makes the server process `/_matrix/federation/v1/version` requests.
func HandleVersionRequests() func(*Server) {
return func(srv *Server) {
mux := srv.mux.PathPrefix("/_matrix/federation/v1").Subrouter()

handlerFn := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.WriteHeader(200)
b, _ := json.Marshal(map[string]interface{}{
"server": map[string]interface{}{
"name": "complement-federation-test-server",
"version": "0.1.0",
},
})
w.Write(b)
})

mux.Handle("/version", handlerFn).Methods("GET")
}
}

// EXPERIMENTAL
// MakeJoinRequestsHandler is the http.Handler implementation for the make_join part of
// HandleMakeSendJoinRequests.
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25 changes: 25 additions & 0 deletions tests/federation_room_join_test.go
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Expand Up @@ -2,8 +2,10 @@ package tests

import (
"context"
"crypto/tls"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"strings"
Expand All @@ -24,6 +26,7 @@ import (
"github.com/matrix-org/complement/client"
"github.com/matrix-org/complement/federation"
"github.com/matrix-org/complement/helpers"
"github.com/matrix-org/complement/internal"
"github.com/matrix-org/complement/match"
"github.com/matrix-org/complement/must"
"github.com/matrix-org/complement/runtime"
Expand Down Expand Up @@ -296,19 +299,41 @@ func TestJoinFederatedRoomWithUnverifiableEvents(t *testing.T) {
})
}

func VersionRequestHandler(s *federation.Server, w http.ResponseWriter, req *http.Request) {
// Send it
}
Comment on lines +302 to +304
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@MadLittleMods MadLittleMods Dec 11, 2025

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Unused


// This test checks that users cannot circumvent the auth checks via send_join.
func TestBannedUserCannotSendJoin(t *testing.T) {
deployment := complement.Deploy(t, 1)
defer deployment.Destroy(t)

srv := federation.NewServer(t, deployment,
federation.HandleVersionRequests(),
federation.HandleKeyRequests(),
federation.HandleTransactionRequests(nil, nil),
)
cancel := srv.Listen()
origin := srv.ServerName()
defer cancel()

// XXX: Sanity check that the server is listening and responding (at-least from the host perspective)
splitPieces := strings.SplitN(string(srv.ServerName()), ":", 2)
port := splitPieces[1]
// Ignore HTTPS/TLS verification for localhost
httpTransport := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
httpClient := &http.Client{Transport: httpTransport}
// Make the request
res, err := httpClient.Get("https://localhost:" + port + "/_matrix/federation/v1/version")
if err != nil {
t.Fatalf("Failed to GET: %s", err)
}
defer internal.CloseIO(res.Body, "server response body")
resBody, err := io.ReadAll(res.Body)
t.Logf("asdf request %d %s", res.StatusCode, resBody)

fedClient := srv.FederationClient(deployment)

charlie := srv.UserID("charlie")
Expand Down
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