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powershell execute encodedcommand instead of ps1 file #28

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powershell execute encodedcommand instead of ps1 file #28

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57 changes: 28 additions & 29 deletions toast.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2,16 +2,15 @@ package toast

import (
"bytes"
"encoding/base64"
"errors"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"text/template"

"github.com/nu7hatch/gouuid"
"syscall"

"golang.org/x/text/encoding/unicode"
)

var toastTemplate *template.Template
Expand Down Expand Up @@ -62,18 +61,18 @@ const (
func init() {
toastTemplate = template.New("toast")
toastTemplate.Parse(`
[Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime] | Out-Null
[Windows.UI.Notifications.ToastNotification, Windows.UI.Notifications, ContentType = WindowsRuntime] | Out-Null
[Windows.Data.Xml.Dom.XmlDocument, Windows.Data.Xml.Dom.XmlDocument, ContentType = WindowsRuntime] | Out-Null
[Windows.UI.Notifications.ToastNotificationManager, Windows.UI.Notifications, ContentType = WindowsRuntime] | Out-Null;
[Windows.UI.Notifications.ToastNotification, Windows.UI.Notifications, ContentType = WindowsRuntime] | Out-Null;
[Windows.Data.Xml.Dom.XmlDocument, Windows.Data.Xml.Dom.XmlDocument, ContentType = WindowsRuntime] | Out-Null;

$APP_ID = '{{if .AppID}}{{.AppID}}{{else}}Windows App{{end}}'
$APP_ID = "{{if .AppID}}{{.AppID}}{{else}}Windows App{{end}}";

$template = @"
<toast activationType="{{.ActivationType}}" launch="{{.ActivationArguments}}" duration="{{.Duration}}">
$template = "
<toast activationType=""{{.ActivationType}}"" launch=""{{.ActivationArguments}}"" duration=""{{.Duration}}"">
<visual>
<binding template="ToastGeneric">
<binding template=""ToastGeneric"">
{{if .Icon}}
<image placement="appLogoOverride" src="{{.Icon}}" />
<image placement=""appLogoOverride"" src=""{{.Icon}}"" />
{{end}}
{{if .Title}}
<text><![CDATA[{{.Title}}]]></text>
Expand All @@ -84,24 +83,24 @@ $template = @"
</binding>
</visual>
{{if ne .Audio "silent"}}
<audio src="{{.Audio}}" loop="{{.Loop}}" />
<audio src=""{{.Audio}}"" loop=""{{.Loop}}"" />
{{else}}
<audio silent="true" />
<audio silent=""true"" />
{{end}}
{{if .Actions}}
<actions>
{{range .Actions}}
<action activationType="{{.Type}}" content="{{.Label}}" arguments="{{.Arguments}}" />
<action activationType=""{{.Type}}"" content=""{{.Label}}"" arguments=""{{.Arguments}}"" />
{{end}}
</actions>
{{end}}
</toast>
"@
";

$xml = New-Object Windows.Data.Xml.Dom.XmlDocument
$xml.LoadXml($template)
$toast = New-Object Windows.UI.Notifications.ToastNotification $xml
[Windows.UI.Notifications.ToastNotificationManager]::CreateToastNotifier($APP_ID).Show($toast)
$xml = New-Object Windows.Data.Xml.Dom.XmlDocument;
$xml.LoadXml($template);
$toast = New-Object Windows.UI.Notifications.ToastNotification $xml;
[Windows.UI.Notifications.ToastNotificationManager]::CreateToastNotifier($APP_ID).Show($toast);
`)
}

Expand Down Expand Up @@ -341,19 +340,19 @@ func Duration(name string) (toastDuration, error) {
}

func invokeTemporaryScript(content string) error {
id, _ := uuid.NewV4()
file := filepath.Join(os.TempDir(), id.String()+".ps1")
defer os.Remove(file)
bomUtf8 := []byte{0xEF, 0xBB, 0xBF}
out := append(bomUtf8, []byte(content)...)
err := ioutil.WriteFile(file, out, 0600)
content = strings.TrimSpace(strings.ReplaceAll(content, "\n", ""))

encoder := unicode.UTF16(unicode.LittleEndian, unicode.IgnoreBOM).NewEncoder()
utf16, err := encoder.String(content)
if err != nil {
return err
}
cmd := exec.Command("PowerShell", "-ExecutionPolicy", "Bypass", "-File", file)
encContent := base64.StdEncoding.EncodeToString([]byte(utf16))

cmd := exec.Command("PowerShell", "-EncodedCommand", encContent)
cmd.SysProcAttr = &syscall.SysProcAttr{HideWindow: true}
if err = cmd.Run(); err != nil {
if err := cmd.Run(); err != nil {
return err
}
return nil
}
}