AdGuardHome/home/blocked_services.go

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package home
import (
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"encoding/json"
"net/http"
"github.com/AdguardTeam/AdGuardHome/dnsfilter"
"github.com/AdguardTeam/golibs/log"
"github.com/AdguardTeam/urlfilter"
)
var serviceRules map[string][]*urlfilter.NetworkRule // service name -> filtering rules
type svc struct {
name string
rules []string
}
// Keep in sync with:
// client/src/helpers/constants.js
// client/src/components/ui/Icons.js
var serviceRulesArray = []svc{
{"whatsapp", []string{"||whatsapp.net^"}},
{"facebook", []string{"||facebook.com^"}},
{"twitter", []string{"||twitter.com^", "||t.co^", "||twimg.com^"}},
{"youtube", []string{"||youtube.com^", "||ytimg.com^"}},
{"messenger", []string{"||fb.com^", "||facebook.com^"}},
{"twitch", []string{"||twitch.tv^", "||ttvnw.net^"}},
{"netflix", []string{"||nflxext.com^", "||netflix.com^"}},
{"instagram", []string{"||instagram.com^"}},
{"snapchat", []string{"||snapchat.com^"}},
{"discord", []string{"||discord.gg^", "||discordapp.net^", "||discordapp.com^"}},
{"ok", []string{"||ok.ru^"}},
{"skype", []string{"||skype.com^"}},
{"vk", []string{"||vk.com^"}},
{"steam", []string{"||steam.com^"}},
{"mail_ru", []string{"||mail.ru^"}},
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{"tiktok", []string{
"||tiktok.com^",
"||snssdk.com^",
"||amemv.com^",
"||toutiao.com^",
"||ixigua.com^",
"||pstatp.com^",
"||ixiguavideo.com^",
"||toutiaocloud.com^",
"||toutiaocloud.net^",
"||bdurl.com^",
"||bytecdn.cn^",
"||byteimg.com^",
"||ixigua.com^",
}},
}
// convert array to map
func initServices() {
serviceRules = make(map[string][]*urlfilter.NetworkRule)
for _, s := range serviceRulesArray {
rules := []*urlfilter.NetworkRule{}
for _, text := range s.rules {
rule, err := urlfilter.NewNetworkRule(text, 0)
if err != nil {
log.Error("urlfilter.NewNetworkRule: %s rule: %s", err, text)
continue
}
rules = append(rules, rule)
}
serviceRules[s.name] = rules
}
}
// ApplyBlockedServices - set blocked services settings for this DNS request
func ApplyBlockedServices(setts *dnsfilter.RequestFilteringSettings, list []string) {
setts.ServicesRules = []dnsfilter.ServiceEntry{}
for _, name := range list {
rules, ok := serviceRules[name]
if !ok {
log.Error("unknown service name: %s", name)
continue
}
s := dnsfilter.ServiceEntry{}
s.Name = name
s.Rules = rules
setts.ServicesRules = append(setts.ServicesRules, s)
}
}
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func handleBlockedServicesList(w http.ResponseWriter, r *http.Request) {
config.RLock()
list := config.DNS.BlockedServices
config.RUnlock()
w.Header().Set("Content-Type", "application/json")
err := json.NewEncoder(w).Encode(list)
if err != nil {
httpError(w, http.StatusInternalServerError, "json.Encode: %s", err)
return
}
}
func handleBlockedServicesSet(w http.ResponseWriter, r *http.Request) {
list := []string{}
err := json.NewDecoder(r.Body).Decode(&list)
if err != nil {
httpError(w, http.StatusBadRequest, "json.Decode: %s", err)
return
}
config.Lock()
config.DNS.BlockedServices = list
config.Unlock()
log.Debug("Updated blocked services list: %d", len(list))
err = writeAllConfigsAndReloadDNS()
if err != nil {
httpError(w, http.StatusBadRequest, "%s", err)
return
}
returnOK(w)
}
// RegisterBlockedServicesHandlers - register HTTP handlers
func RegisterBlockedServicesHandlers() {
httpRegister(http.MethodGet, "/control/blocked_services/list", handleBlockedServicesList)
httpRegister(http.MethodPost, "/control/blocked_services/set", handleBlockedServicesSet)
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}