badguardhome/home/mobileconfig.go

93 lines
2.4 KiB
Go

package home
import (
"fmt"
"net/http"
uuid "github.com/satori/go.uuid"
"howett.net/plist"
)
type DNSSettings struct {
DNSProtocol string
ServerURL string `plist:",omitempty"`
ServerName string `plist:",omitempty"`
}
type PayloadContent = struct {
Name string
PayloadDescription string
PayloadDisplayName string
PayloadIdentifier string
PayloadType string
PayloadUUID string
PayloadVersion int
DNSSettings DNSSettings
}
type MobileConfig = struct {
PayloadContent []PayloadContent
PayloadDescription string
PayloadDisplayName string
PayloadIdentifier string
PayloadRemovalDisallowed bool
PayloadType string
PayloadUUID string
PayloadVersion int
}
func genUUIDv4() string {
return uuid.NewV4().String()
}
func getMobileConfig(r *http.Request, d DNSSettings) ([]byte, error) {
name := fmt.Sprintf("%s DNS over %s", r.Host, d.DNSProtocol)
data := MobileConfig{
PayloadContent: []PayloadContent{{
Name: name,
PayloadDescription: "Configures device to use AdGuard Home",
PayloadDisplayName: name,
PayloadIdentifier: fmt.Sprintf("com.apple.dnsSettings.managed.%s", genUUIDv4()),
PayloadType: "com.apple.dnsSettings.managed",
PayloadUUID: genUUIDv4(),
PayloadVersion: 1,
DNSSettings: d,
}},
PayloadDescription: "Adds AdGuard Home to Big Sur and iOS 14 or newer systems",
PayloadDisplayName: name,
PayloadIdentifier: genUUIDv4(),
PayloadRemovalDisallowed: false,
PayloadType: "Configuration",
PayloadUUID: genUUIDv4(),
PayloadVersion: 1,
}
return plist.MarshalIndent(data, plist.XMLFormat, "\t")
}
func handleMobileConfig(w http.ResponseWriter, r *http.Request, d DNSSettings) {
mobileconfig, err := getMobileConfig(r, d)
if err != nil {
httpError(w, http.StatusInternalServerError, "plist.MarshalIndent: %s", err)
}
w.Header().Set("Content-Type", "application/xml")
_, _ = w.Write(mobileconfig)
}
func handleMobileConfigDoh(w http.ResponseWriter, r *http.Request) {
handleMobileConfig(w, r, DNSSettings{
DNSProtocol: "HTTPS",
ServerURL: fmt.Sprintf("https://%s/dns-query", r.Host),
})
}
func handleMobileConfigDot(w http.ResponseWriter, r *http.Request) {
handleMobileConfig(w, r, DNSSettings{
DNSProtocol: "TLS",
ServerName: r.Host,
})
}