headscale/hscontrol/platform_config.go
Kristoffer Dalby 3683d3e82f rename package name to hscontrol
Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>
2023-05-10 20:47:51 +02:00

409 lines
10 KiB
Go

package hscontrol
import (
"bytes"
_ "embed"
"html/template"
"net/http"
textTemplate "text/template"
"github.com/gofrs/uuid/v5"
"github.com/gorilla/mux"
"github.com/rs/zerolog/log"
)
//go:embed templates/apple.html
var appleTemplate string
//go:embed templates/windows.html
var windowsTemplate string
// WindowsConfigMessage shows a simple message in the browser for how to configure the Windows Tailscale client.
func (h *Headscale) WindowsConfigMessage(
writer http.ResponseWriter,
req *http.Request,
) {
winTemplate := template.Must(template.New("windows").Parse(windowsTemplate))
config := map[string]interface{}{
"URL": h.cfg.ServerURL,
}
var payload bytes.Buffer
if err := winTemplate.Execute(&payload, config); err != nil {
log.Error().
Str("handler", "WindowsRegConfig").
Err(err).
Msg("Could not render Windows index template")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Could not render Windows index template"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
writer.Header().Set("Content-Type", "text/html; charset=utf-8")
writer.WriteHeader(http.StatusOK)
_, err := writer.Write(payload.Bytes())
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
}
// WindowsRegConfig generates and serves a .reg file configured with the Headscale server address.
func (h *Headscale) WindowsRegConfig(
writer http.ResponseWriter,
req *http.Request,
) {
config := WindowsRegistryConfig{
URL: h.cfg.ServerURL,
}
var content bytes.Buffer
if err := windowsRegTemplate.Execute(&content, config); err != nil {
log.Error().
Str("handler", "WindowsRegConfig").
Err(err).
Msg("Could not render Apple macOS template")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Could not render Windows registry template"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
writer.Header().Set("Content-Type", "text/x-ms-regedit; charset=utf-8")
writer.WriteHeader(http.StatusOK)
_, err := writer.Write(content.Bytes())
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
}
// AppleConfigMessage shows a simple message in the browser to point the user to the iOS/MacOS profile and instructions for how to install it.
func (h *Headscale) AppleConfigMessage(
writer http.ResponseWriter,
req *http.Request,
) {
appleTemplate := template.Must(template.New("apple").Parse(appleTemplate))
config := map[string]interface{}{
"URL": h.cfg.ServerURL,
}
var payload bytes.Buffer
if err := appleTemplate.Execute(&payload, config); err != nil {
log.Error().
Str("handler", "AppleMobileConfig").
Err(err).
Msg("Could not render Apple index template")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Could not render Apple index template"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
writer.Header().Set("Content-Type", "text/html; charset=utf-8")
writer.WriteHeader(http.StatusOK)
_, err := writer.Write(payload.Bytes())
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
}
func (h *Headscale) ApplePlatformConfig(
writer http.ResponseWriter,
req *http.Request,
) {
vars := mux.Vars(req)
platform, ok := vars["platform"]
if !ok {
log.Error().
Str("handler", "ApplePlatformConfig").
Msg("No platform specified")
http.Error(writer, "No platform specified", http.StatusBadRequest)
return
}
id, err := uuid.NewV4()
if err != nil {
log.Error().
Str("handler", "ApplePlatformConfig").
Err(err).
Msg("Failed not create UUID")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Failed to create UUID"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
contentID, err := uuid.NewV4()
if err != nil {
log.Error().
Str("handler", "ApplePlatformConfig").
Err(err).
Msg("Failed not create UUID")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Failed to create content UUID"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
platformConfig := AppleMobilePlatformConfig{
UUID: contentID,
URL: h.cfg.ServerURL,
}
var payload bytes.Buffer
handleMacError := func(ierr error) {
log.Error().
Str("handler", "ApplePlatformConfig").
Err(ierr).
Msg("Could not render Apple macOS template")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Could not render Apple macOS template"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
}
switch platform {
case "macos-standalone":
if err := macosStandaloneTemplate.Execute(&payload, platformConfig); err != nil {
handleMacError(err)
return
}
case "macos-app-store":
if err := macosAppStoreTemplate.Execute(&payload, platformConfig); err != nil {
handleMacError(err)
return
}
case "ios":
if err := iosTemplate.Execute(&payload, platformConfig); err != nil {
log.Error().
Str("handler", "ApplePlatformConfig").
Err(err).
Msg("Could not render Apple iOS template")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Could not render Apple iOS template"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
default:
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusBadRequest)
_, err := writer.Write(
[]byte("Invalid platform. Only ios, macos-app-store and macos-standalone are supported"),
)
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
config := AppleMobileConfig{
UUID: id,
URL: h.cfg.ServerURL,
Payload: payload.String(),
}
var content bytes.Buffer
if err := commonTemplate.Execute(&content, config); err != nil {
log.Error().
Str("handler", "ApplePlatformConfig").
Err(err).
Msg("Could not render Apple platform template")
writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
writer.WriteHeader(http.StatusInternalServerError)
_, err := writer.Write([]byte("Could not render Apple platform template"))
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
return
}
writer.Header().
Set("Content-Type", "application/x-apple-aspen-config; charset=utf-8")
writer.WriteHeader(http.StatusOK)
_, err = writer.Write(content.Bytes())
if err != nil {
log.Error().
Caller().
Err(err).
Msg("Failed to write response")
}
}
type WindowsRegistryConfig struct {
URL string
}
type AppleMobileConfig struct {
UUID uuid.UUID
URL string
Payload string
}
type AppleMobilePlatformConfig struct {
UUID uuid.UUID
URL string
}
var windowsRegTemplate = textTemplate.Must(
textTemplate.New("windowsconfig").Parse(`Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SOFTWARE\Tailscale IPN]
"UnattendedMode"="always"
"LoginURL"="{{.URL}}"
`))
var commonTemplate = textTemplate.Must(
textTemplate.New("mobileconfig").Parse(`<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>PayloadUUID</key>
<string>{{.UUID}}</string>
<key>PayloadDisplayName</key>
<string>Headscale</string>
<key>PayloadDescription</key>
<string>Configure Tailscale login server to: {{.URL}}</string>
<key>PayloadIdentifier</key>
<string>com.github.juanfont.headscale</string>
<key>PayloadRemovalDisallowed</key>
<false/>
<key>PayloadType</key>
<string>Configuration</string>
<key>PayloadVersion</key>
<integer>1</integer>
<key>PayloadContent</key>
<array>
{{.Payload}}
</array>
</dict>
</plist>`),
)
var iosTemplate = textTemplate.Must(textTemplate.New("iosTemplate").Parse(`
<dict>
<key>PayloadType</key>
<string>io.tailscale.ipn.ios</string>
<key>PayloadUUID</key>
<string>{{.UUID}}</string>
<key>PayloadIdentifier</key>
<string>com.github.juanfont.headscale</string>
<key>PayloadVersion</key>
<integer>1</integer>
<key>PayloadEnabled</key>
<true/>
<key>ControlURL</key>
<string>{{.URL}}</string>
</dict>
`))
var macosAppStoreTemplate = template.Must(template.New("macosTemplate").Parse(`
<dict>
<key>PayloadType</key>
<string>io.tailscale.ipn.macos</string>
<key>PayloadUUID</key>
<string>{{.UUID}}</string>
<key>PayloadIdentifier</key>
<string>com.github.juanfont.headscale</string>
<key>PayloadVersion</key>
<integer>1</integer>
<key>PayloadEnabled</key>
<true/>
<key>ControlURL</key>
<string>{{.URL}}</string>
</dict>
`))
var macosStandaloneTemplate = template.Must(template.New("macosStandaloneTemplate").Parse(`
<dict>
<key>PayloadType</key>
<string>io.tailscale.ipn.macsys</string>
<key>PayloadUUID</key>
<string>{{.UUID}}</string>
<key>PayloadIdentifier</key>
<string>com.github.juanfont.headscale</string>
<key>PayloadVersion</key>
<integer>1</integer>
<key>PayloadEnabled</key>
<true/>
<key>ControlURL</key>
<string>{{.URL}}</string>
</dict>
`))