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Return M_UNRECOGNIZED for unknown CS API endpoints/actions

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Fixes #2739.
This commit is contained in:
Neil Alexander 2022-09-27 15:35:32 +01:00
parent 249b32c4f3
commit 34bf23e7c7
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GPG key ID: A02A2019A2BB0944
1 changed files with 12 additions and 3 deletions
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15
setup/base/base.go
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@ -392,17 +392,26 @@ func (b *BaseDendrite) configureHTTPErrors() {
_, _ = w.Write([]byte(fmt.Sprintf("405 %s not allowed on this endpoint", r.Method)))
}
clientNotFoundHandler := func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotFound)
w.Header().Set("Content-Type", "application/json")
_, _ = w.Write([]byte(`{"errcode":"M_UNRECOGNIZED","error":"Unrecognized request"}`)) // nolint:misspell
}
notFoundCORSHandler := httputil.WrapHandlerInCORS(http.NotFoundHandler())
notAllowedCORSHandler := httputil.WrapHandlerInCORS(http.HandlerFunc(notAllowedHandler))
for _, router := range []*mux.Router{
b.PublicClientAPIMux, b.PublicMediaAPIMux,
b.DendriteAdminMux, b.SynapseAdminMux,
b.PublicWellKnownAPIMux,
b.PublicMediaAPIMux, b.DendriteAdminMux,
b.SynapseAdminMux, b.PublicWellKnownAPIMux,
} {
router.NotFoundHandler = notFoundCORSHandler
router.MethodNotAllowedHandler = notAllowedCORSHandler
}
// Special case so that we don't upset clients on the CS API.
b.PublicClientAPIMux.NotFoundHandler = http.HandlerFunc(clientNotFoundHandler)
b.PublicClientAPIMux.MethodNotAllowedHandler = http.HandlerFunc(clientNotFoundHandler)
}
// SetupAndServeHTTP sets up the HTTP server to serve endpoints registered on