AdGuardHome/home/clients_http.go

297 lines
7.4 KiB
Go

package home
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
)
type clientJSON struct {
IDs []string `json:"ids"`
Tags []string `json:"tags"`
Name string `json:"name"`
UseGlobalSettings bool `json:"use_global_settings"`
FilteringEnabled bool `json:"filtering_enabled"`
ParentalEnabled bool `json:"parental_enabled"`
SafeSearchEnabled bool `json:"safesearch_enabled"`
SafeBrowsingEnabled bool `json:"safebrowsing_enabled"`
UseGlobalBlockedServices bool `json:"use_global_blocked_services"`
BlockedServices []string `json:"blocked_services"`
Upstreams []string `json:"upstreams"`
WhoisInfo map[string]interface{} `json:"whois_info"`
// Disallowed - if true -- client's IP is not disallowed
// Otherwise, it is blocked.
Disallowed bool `json:"disallowed"`
// DisallowedRule - the rule due to which the client is disallowed
// If Disallowed is true, and this string is empty - it means that the client IP
// is disallowed by the "allowed IP list", i.e. it is not included in allowed.
DisallowedRule string `json:"disallowed_rule"`
}
type clientHostJSON struct {
IP string `json:"ip"`
Name string `json:"name"`
Source string `json:"source"`
WhoisInfo map[string]interface{} `json:"whois_info"`
}
type clientListJSON struct {
Clients []clientJSON `json:"clients"`
AutoClients []clientHostJSON `json:"auto_clients"`
Tags []string `json:"supported_tags"`
}
// respond with information about configured clients
func (clients *clientsContainer) handleGetClients(w http.ResponseWriter, _ *http.Request) {
data := clientListJSON{}
clients.lock.Lock()
for _, c := range clients.list {
cj := clientToJSON(c)
data.Clients = append(data.Clients, cj)
}
for ip, ch := range clients.ipHost {
cj := clientHostJSON{
IP: ip,
Name: ch.Host,
}
cj.Source = "etc/hosts"
switch ch.Source {
case ClientSourceDHCP:
cj.Source = "DHCP"
case ClientSourceRDNS:
cj.Source = "rDNS"
case ClientSourceARP:
cj.Source = "ARP"
case ClientSourceWHOIS:
cj.Source = "WHOIS"
}
cj.WhoisInfo = make(map[string]interface{})
for _, wi := range ch.WhoisInfo {
cj.WhoisInfo[wi[0]] = wi[1]
}
data.AutoClients = append(data.AutoClients, cj)
}
clients.lock.Unlock()
data.Tags = clientTags
w.Header().Set("Content-Type", "application/json")
e := json.NewEncoder(w).Encode(data)
if e != nil {
httpError(w, http.StatusInternalServerError, "Failed to encode to json: %v", e)
return
}
}
// Convert JSON object to Client object
func jsonToClient(cj clientJSON) (*Client, error) {
c := Client{
Name: cj.Name,
IDs: cj.IDs,
Tags: cj.Tags,
UseOwnSettings: !cj.UseGlobalSettings,
FilteringEnabled: cj.FilteringEnabled,
ParentalEnabled: cj.ParentalEnabled,
SafeSearchEnabled: cj.SafeSearchEnabled,
SafeBrowsingEnabled: cj.SafeBrowsingEnabled,
UseOwnBlockedServices: !cj.UseGlobalBlockedServices,
BlockedServices: cj.BlockedServices,
Upstreams: cj.Upstreams,
}
return &c, nil
}
// Convert Client object to JSON
func clientToJSON(c *Client) clientJSON {
cj := clientJSON{
Name: c.Name,
IDs: c.IDs,
Tags: c.Tags,
UseGlobalSettings: !c.UseOwnSettings,
FilteringEnabled: c.FilteringEnabled,
ParentalEnabled: c.ParentalEnabled,
SafeSearchEnabled: c.SafeSearchEnabled,
SafeBrowsingEnabled: c.SafeBrowsingEnabled,
UseGlobalBlockedServices: !c.UseOwnBlockedServices,
BlockedServices: c.BlockedServices,
Upstreams: c.Upstreams,
}
return cj
}
// Convert ClientHost object to JSON
func clientHostToJSON(ip string, ch ClientHost) clientJSON {
cj := clientJSON{
Name: ch.Host,
IDs: []string{ip},
}
cj.WhoisInfo = make(map[string]interface{})
for _, wi := range ch.WhoisInfo {
cj.WhoisInfo[wi[0]] = wi[1]
}
return cj
}
// Add a new client
func (clients *clientsContainer) handleAddClient(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
httpError(w, http.StatusBadRequest, "failed to read request body: %s", err)
return
}
cj := clientJSON{}
err = json.Unmarshal(body, &cj)
if err != nil {
httpError(w, http.StatusBadRequest, "JSON parse: %s", err)
return
}
c, err := jsonToClient(cj)
if err != nil {
httpError(w, http.StatusBadRequest, "%s", err)
return
}
ok, err := clients.Add(*c)
if err != nil {
httpError(w, http.StatusBadRequest, "%s", err)
return
}
if !ok {
httpError(w, http.StatusBadRequest, "Client already exists")
return
}
onConfigModified()
}
// Remove client
func (clients *clientsContainer) handleDelClient(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
httpError(w, http.StatusBadRequest, "failed to read request body: %s", err)
return
}
cj := clientJSON{}
err = json.Unmarshal(body, &cj)
if err != nil || len(cj.Name) == 0 {
httpError(w, http.StatusBadRequest, "JSON parse: %s", err)
return
}
if !clients.Del(cj.Name) {
httpError(w, http.StatusBadRequest, "Client not found")
return
}
onConfigModified()
}
type updateJSON struct {
Name string `json:"name"`
Data clientJSON `json:"data"`
}
// Update client's properties
func (clients *clientsContainer) handleUpdateClient(w http.ResponseWriter, r *http.Request) {
body, err := ioutil.ReadAll(r.Body)
if err != nil {
httpError(w, http.StatusBadRequest, "failed to read request body: %s", err)
return
}
var dj updateJSON
err = json.Unmarshal(body, &dj)
if err != nil {
httpError(w, http.StatusBadRequest, "JSON parse: %s", err)
return
}
if len(dj.Name) == 0 {
httpError(w, http.StatusBadRequest, "Invalid request")
return
}
c, err := jsonToClient(dj.Data)
if err != nil {
httpError(w, http.StatusBadRequest, "%s", err)
return
}
err = clients.Update(dj.Name, *c)
if err != nil {
httpError(w, http.StatusBadRequest, "%s", err)
return
}
onConfigModified()
}
// Get the list of clients by IP address list
func (clients *clientsContainer) handleFindClient(w http.ResponseWriter, r *http.Request) {
q := r.URL.Query()
data := []map[string]interface{}{}
for i := 0; ; i++ {
ip := q.Get(fmt.Sprintf("ip%d", i))
if len(ip) == 0 {
break
}
el := map[string]interface{}{}
c, ok := clients.Find(ip)
if !ok {
ch, ok := clients.FindAutoClient(ip)
if !ok {
continue // a client with this IP isn't found
}
cj := clientHostToJSON(ip, ch)
cj.Disallowed, cj.DisallowedRule = clients.dnsServer.IsBlockedIP(ip)
el[ip] = cj
} else {
cj := clientToJSON(&c)
cj.Disallowed, cj.DisallowedRule = clients.dnsServer.IsBlockedIP(ip)
el[ip] = cj
}
data = append(data, el)
}
js, err := json.Marshal(data)
if err != nil {
httpError(w, http.StatusInternalServerError, "json.Marshal: %s", err)
return
}
w.Header().Set("Content-Type", "application/json")
_, err = w.Write(js)
if err != nil {
httpError(w, http.StatusInternalServerError, "Couldn't write response: %s", err)
}
}
// RegisterClientsHandlers registers HTTP handlers
func (clients *clientsContainer) registerWebHandlers() {
httpRegister("GET", "/control/clients", clients.handleGetClients)
httpRegister("POST", "/control/clients/add", clients.handleAddClient)
httpRegister("POST", "/control/clients/delete", clients.handleDelClient)
httpRegister("POST", "/control/clients/update", clients.handleUpdateClient)
httpRegister("GET", "/control/clients/find", clients.handleFindClient)
}