63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
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//go:build windows
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package files
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import (
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"context"
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"fmt"
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"os/exec"
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"path/filepath"
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"strings"
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)
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var ErrSelectionCanceled = context.Canceled
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type commandRunner interface {
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Run(context.Context, string, ...string) ([]byte, error)
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}
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type execRunner struct{}
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func (execRunner) Run(ctx context.Context, name string, args ...string) ([]byte, error) {
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return exec.CommandContext(ctx, name, args...).Output()
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}
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type windowsDirectoryPicker struct{ runner commandRunner }
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func NewDirectoryPicker() DirectoryPicker { return windowsDirectoryPicker{runner: execRunner{}} }
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func newDirectoryPickerWithRunner(runner commandRunner) windowsDirectoryPicker {
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return windowsDirectoryPicker{runner: runner}
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}
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func (p windowsDirectoryPicker) ChooseDirectory(ctx context.Context) (string, error) {
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if err := ctx.Err(); err != nil {
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return "", err
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}
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output, err := p.runner.Run(ctx, "powershell.exe",
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"-NoProfile", "-NonInteractive", "-STA", "-WindowStyle", "Hidden", "-Command", folderDialogScript)
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if err != nil {
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if ctxErr := ctx.Err(); ctxErr != nil {
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return "", ctxErr
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}
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return "", fmt.Errorf("open directory picker: %w", err)
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}
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selected := strings.TrimSpace(string(output))
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if selected == "" {
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return "", ErrSelectionCanceled
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}
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if !filepath.IsAbs(selected) {
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return "", fmt.Errorf("directory picker returned a non-absolute path")
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}
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return filepath.Clean(selected), nil
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}
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const folderDialogScript = `[Console]::OutputEncoding = [System.Text.UTF8Encoding]::new($false)
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Add-Type -AssemblyName System.Windows.Forms
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$dialog = New-Object System.Windows.Forms.FolderBrowserDialog
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$dialog.Description = '选择浏览器 User Data Dir'
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$dialog.ShowNewFolderButton = $true
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if ($dialog.ShowDialog() -eq [System.Windows.Forms.DialogResult]::OK) {
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[Console]::Out.Write($dialog.SelectedPath)
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}`
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