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