func ServePACFile() {
cfgMutex.Lock()
defer cfgMutex.Unlock()
if pacURL == "" {
pacURL = ui.Handle("/proxy_on.pac", http.HandlerFunc(servePACFile))
}
}
func pacOn() {
log.Debug("Setting lantern as system proxy")
handler := func(resp http.ResponseWriter, req *http.Request) {
resp.Header().Set("Content-Type", "application/x-ns-proxy-autoconfig")
resp.WriteHeader(http.StatusOK)
muPACFile.RLock()
resp.Write(pacFile)
muPACFile.RUnlock()
}
genPACFile()
pacURL = ui.Handle("/proxy_on.pac", http.HandlerFunc(handler))
log.Debugf("Serving PAC file at %v", pacURL)
doPACOn()
atomic.StoreInt32(&isPacOn, 1)
}