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//go:build windows
// +build windows
package main
import (
"errors"
"fmt"
"os"
"path/filepath"
"golang.org/x/sys/windows/registry"
)
type RegistryKey struct {
BaseKey registry.Key
Path string
}
type RegistryValueToSet struct {
BaseKey registry.Key
Path string
ValueName string
Value string
}
func HandleInstall() error {
// Register as browser as per: https://docs.microsoft.com/en-us/windows/win32/shell/start-menu-reg
startMenuInternetKey, _, err := registry.CreateKey(registry.LOCAL_MACHINE, "SOFTWARE\\Clients\\StartMenuInternet", registry.ALL_ACCESS)
if err != nil {
return err
}
_, openedExisting, err := registry.CreateKey(startMenuInternetKey, "pick-a-browser", registry.ALL_ACCESS)
if err != nil {
return err
}
if openedExisting {
return fmt.Errorf("pick-a-browser is already installed")
}
exePath := os.Args[0]
exePath, err = filepath.Abs(exePath)
if err != nil {
return fmt.Errorf("failed to convert to absolute path (%q): %s", exePath, err)
}
description := "browser selector - see https://github.com/stuartleeks/pick-a-browser"
iconPath := fmt.Sprintf("%s,0", exePath)
keysToCreate := []RegistryKey{
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\DefaultIcon"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\StartMenu"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\FileAssociations"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\UrlAssociations"},
// InstallInfo: https://docs.microsoft.com/en-us/previous-versions/windows/desktop/legacy/cc144109(v=vs.85)
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\InstallInfo"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell\\open"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell\\open\\command"},
// https://docs.microsoft.com/en-us/windows/win32/shell/default-programs#registering-an-application-for-use-with-default-programs
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\DefaultIcon"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell\\open"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell\\open\\command"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Application"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\StartMenu"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\FileAssociations"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\UrlAssociations"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\StartMenu"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\FileAssociation"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\UrlAssociations"},
}
valuesToSet := []RegistryValueToSet{
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser", ValueName: "", Value: "Pick A Browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\DefaultIcon", ValueName: "", Value: iconPath},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities", ValueName: "ApplicationName", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities", ValueName: "ApplicationDescription", Value: description},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\StartMenu", ValueName: "StartMenuInternet", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\UrlAssociations", ValueName: "http", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\UrlAssociations", ValueName: "https", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\InstallInfo", ValueName: "HideIconsCommand", Value: ""},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\InstallInfo", ValueName: "ReinstallCommand", Value: ""},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\InstallInfo", ValueName: "ShowIconsCommand", Value: ""},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\InstallInfo", ValueName: "IconsVisible", Value: "1"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell", ValueName: "", Value: "open"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell\\open\\command", ValueName: "", Value: exePath},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\DefaultIcon", ValueName: "", Value: iconPath},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell", ValueName: "", Value: "open"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell\\open\\command", ValueName: "", Value: fmt.Sprintf("\"%s\" \"%%1\"", exePath)},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Application", ValueName: "ApplicationName", Value: "pick-a-browser"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Application", ValueName: "ApplicationDescription", Value: description},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Application", ValueName: "ApplicationIcon", Value: description},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities", ValueName: "ApplicationName", Value: "pick-a-browser"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities", ValueName: "ApplicationDescription", Value: description},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\StartMenu", ValueName: "StartMenuInternet", Value: "pick-a-browser"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\UrlAssociations", ValueName: "http", Value: "pick-a-browser"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\UrlAssociations", ValueName: "https", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities", ValueName: "ApplicationName", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities", ValueName: "ApplicationDescription", Value: description},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\StartMenu", ValueName: "StartMenuInternet", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\UrlAssociations", ValueName: "http", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\UrlAssociations", ValueName: "https", Value: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\RegisteredApplications", ValueName: "pick-a-browser", Value: "SOFTWARE\\Clients\\StartmenuInternet\\pick-a-browser\\Capabilities"},
}
for _, keyToCreate := range keysToCreate {
_, _, err := registry.CreateKey(keyToCreate.BaseKey, keyToCreate.Path, registry.ALL_ACCESS)
if err != nil {
return err
}
}
for _, valueToSet := range valuesToSet {
key, _, err := registry.CreateKey(valueToSet.BaseKey, valueToSet.Path, registry.ALL_ACCESS)
if err != nil {
return err
}
err = key.SetStringValue(valueToSet.ValueName, valueToSet.Value)
if err != nil {
return err
}
}
return nil
}
func HandleUninstall() error {
startMenuInternetKey, _, err := registry.CreateKey(registry.LOCAL_MACHINE, "SOFTWARE\\Clients\\StartMenuInternet", registry.ALL_ACCESS)
if err != nil {
return fmt.Errorf("error opening 'SOFTWARE\\Clients\\StartMenuInternet': %s", err)
}
_, openedExisting, err := registry.CreateKey(startMenuInternetKey, "pick-a-browser", registry.ALL_ACCESS)
if err != nil {
return fmt.Errorf("error opening 'SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser': %s", err)
}
if !openedExisting {
return fmt.Errorf("pick-a-browser is not installed")
}
keysToDelete := []RegistryKey{
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\UrlAssociations"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\FileAssociations"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities\\StartMenu"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\Capabilities"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\DefaultIcon"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\InstallInfo"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell\\open\\command"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell\\open"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser\\shell"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\Clients\\StartMenuInternet\\pick-a-browser"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\DefaultIcon"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell\\open\\command"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell\\open"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\shell"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Application"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\FileAssociations"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\UrlAssociations"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities\\StartMenu"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser\\Capabilities"},
{BaseKey: registry.CLASSES_ROOT, Path: "pick-a-browser"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\StartMenu"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\FileAssociation"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities\\UrlAssociations"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser\\Capabilities"},
{BaseKey: registry.LOCAL_MACHINE, Path: "SOFTWARE\\pick-a-browser"},
}
for _, keyToDelete := range keysToDelete {
err := registry.DeleteKey(keyToDelete.BaseKey, keyToDelete.Path)
if err != nil && !errors.Is(err, registry.ErrNotExist) {
return fmt.Errorf("error opening %v %q: %s", getRootKeyName(keyToDelete.BaseKey), keyToDelete.Path, err)
}
}
registeredAppliationsKey, _, err := registry.CreateKey(registry.LOCAL_MACHINE, "SOFTWARE\\RegisteredApplications", registry.ALL_ACCESS)
if err != nil {
return fmt.Errorf("error opening 'SOFTWARE\\RegisteredApplications': %s", err)
}
err = registeredAppliationsKey.DeleteValue("pick-a-browser")
if err != nil {
return fmt.Errorf("error deleting 'HKLM\\SOFTWARE\\RegisteredApplications!pick-a-browser': %s", err)
}
return nil
}