+ http server: enable gzip compression for /control/querylog

control.go

@@ -19,6 +19,7 @@ import (
 	"github.com/AdguardTeam/dnsproxy/upstream"
 	"github.com/AdguardTeam/golibs/log"
 	"github.com/AdguardTeam/golibs/utils"
+	"github.com/NYTimes/gziphandler"
 	"github.com/miekg/dns"
 	govalidator "gopkg.in/asaskevich/govalidator.v4"
 )
@@ -1100,7 +1101,7 @@ func registerControlHandlers() {
 	http.HandleFunc("/control/status", postInstall(optionalAuth(ensureGET(handleStatus))))
 	http.HandleFunc("/control/enable_protection", postInstall(optionalAuth(ensurePOST(handleProtectionEnable))))
 	http.HandleFunc("/control/disable_protection", postInstall(optionalAuth(ensurePOST(handleProtectionDisable))))
-	http.HandleFunc("/control/querylog", postInstall(optionalAuth(ensureGET(handleQueryLog))))
+	http.Handle("/control/querylog", postInstallHandler(optionalAuthHandler(gziphandler.GzipHandler(ensureGETHandler(handleQueryLog)))))
 	http.HandleFunc("/control/querylog_enable", postInstall(optionalAuth(ensurePOST(handleQueryLogEnable))))
 	http.HandleFunc("/control/querylog_disable", postInstall(optionalAuth(ensurePOST(handleQueryLogDisable))))
 	http.HandleFunc("/control/set_upstreams_config", postInstall(optionalAuth(ensurePOST(handleSetUpstreamConfig))))

helpers.go

@@ -45,6 +45,21 @@ func ensureGET(handler func(http.ResponseWriter, *http.Request)) func(http.Respo
 	return ensure("GET", handler)
 }
 
+// Bridge between http.Handler object and Go function
+type httpHandler struct {
+	handler func(http.ResponseWriter, *http.Request)
+}
+
+func (h *httpHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	h.handler(w, r)
+}
+
+func ensureGETHandler(handler func(http.ResponseWriter, *http.Request)) http.Handler {
+	h := httpHandler{}
+	h.handler = ensure("GET", handler)
+	return &h
+}
+
 func ensurePUT(handler func(http.ResponseWriter, *http.Request)) func(http.ResponseWriter, *http.Request) {
 	return ensure("PUT", handler)
 }