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package compose
import (
"bufio"
"bytes"
"fmt"
"io"
"os"
"os/exec"
"path/filepath"
"strings"
"git.sr.ht/~rjarry/aerc/app"
"git.sr.ht/~rjarry/aerc/commands"
"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/lib/ui"
"git.sr.ht/~rjarry/aerc/lib/xdg"
"git.sr.ht/~rjarry/aerc/log"
"github.com/pkg/errors"
)
type Attach struct {
Menu bool `opt:"-m"`
Name string `opt:"-r"`
Path string `opt:"path" required:"false" complete:"CompletePath"`
Args string `opt:"..." required:"false"`
}
func init() {
commands.Register(Attach{})
}
func (Attach) Context() commands.CommandContext {
return commands.COMPOSE
}
func (Attach) Aliases() []string {
return []string{"attach"}
}
func (*Attach) CompletePath(arg string) []string {
return commands.CompletePath(arg, false)
}
func (a Attach) Execute(args []string) error {
if a.Menu && a.Name != "" {
return errors.New("-m and -r are mutually exclusive")
}
switch {
case a.Menu:
return a.openMenu()
case a.Name != "":
if a.Path == "" {
return errors.New("command is required")
}
return a.readCommand()
default:
if a.Args != "" {
return errors.New("only a single path is supported")
}
return a.addPath(a.Path)
}
}
func (a Attach) addPath(path string) error {
path = xdg.ExpandHome(path)
attachments, err := filepath.Glob(path)
if err != nil && errors.Is(err, filepath.ErrBadPattern) {
log.Warnf("failed to parse as globbing pattern: %v", err)
attachments = []string{path}
}
if !strings.HasPrefix(path, ".") && !strings.Contains(path, "/.") {
log.Debugf("removing hidden files from glob results")
for i := len(attachments) - 1; i >= 0; i-- {
if strings.HasPrefix(filepath.Base(attachments[i]), ".") {
if i == len(attachments)-1 {
attachments = attachments[:i]
continue
}
attachments = append(attachments[:i], attachments[i+1:]...)
}
}
}
composer, _ := app.SelectedTabContent().(*app.Composer)
for _, attach := range attachments {
log.Debugf("attaching '%s'", attach)
pathinfo, err := os.Stat(attach)
if err != nil {
log.Errorf("failed to stat file: %v", err)
app.PushError(err.Error())
return err
} else if pathinfo.IsDir() && len(attachments) == 1 {
app.PushError("Attachment must be a file, not a directory")
return nil
}
composer.AddAttachment(attach)
}
if len(attachments) == 1 {
app.PushSuccess(fmt.Sprintf("Attached %s", path))
} else {
app.PushSuccess(fmt.Sprintf("Attached %d files", len(attachments)))
}
return nil
}
func (a Attach) openMenu() error {
filePickerCmd := config.Compose.FilePickerCmd
if filePickerCmd == "" {
return fmt.Errorf("no file-picker-cmd defined")
}
if strings.Contains(filePickerCmd, "%s") {
filePickerCmd = strings.ReplaceAll(filePickerCmd, "%s", a.Path)
}
picks, err := os.CreateTemp("", "aerc-filepicker-*")
if err != nil {
return err
}
var filepicker *exec.Cmd
if strings.Contains(filePickerCmd, "%f") {
filePickerCmd = strings.ReplaceAll(filePickerCmd, "%f", picks.Name())
filepicker = exec.Command("sh", "-c", filePickerCmd)
} else {
filepicker = exec.Command("sh", "-c", filePickerCmd+" >&3")
filepicker.ExtraFiles = append(filepicker.ExtraFiles, picks)
}
t, err := app.NewTerminal(filepicker)
if err != nil {
return err
}
t.Focus(true)
t.OnClose = func(err error) {
defer func() {
if err := picks.Close(); err != nil {
log.Errorf("error closing file: %v", err)
}
if err := os.Remove(picks.Name()); err != nil {
log.Errorf("could not remove tmp file: %v", err)
}
}()
app.CloseDialog()
if err != nil {
log.Errorf("terminal closed with error: %v", err)
return
}
_, err = picks.Seek(0, io.SeekStart)
if err != nil {
log.Errorf("seek failed: %v", err)
return
}
scanner := bufio.NewScanner(picks)
for scanner.Scan() {
f := strings.TrimSpace(scanner.Text())
if _, err := os.Stat(f); err != nil {
continue
}
log.Tracef("File picker attaches: %v", f)
err := a.addPath(f)
if err != nil {
log.Errorf("attach failed for file %s: %v", f, err)
}
}
}
app.AddDialog(app.NewDialog(
ui.NewBox(t, "File Picker", "", app.SelectedAccountUiConfig()),
// start pos on screen
func(h int) int {
return h / 8
},
// dialog height
func(h int) int {
return h - 2*h/8
},
))
return nil
}
func (a Attach) readCommand() error {
cmd := exec.Command("sh", "-c", a.Path+" "+a.Args)
data, err := cmd.Output()
if err != nil {
return errors.Wrap(err, "Output")
}
reader := bufio.NewReader(bytes.NewReader(data))
mimeType, mimeParams, err := lib.FindMimeType(a.Name, reader)
if err != nil {
return errors.Wrap(err, "FindMimeType")
}
mimeParams["name"] = a.Name
composer, _ := app.SelectedTabContent().(*app.Composer)
err = composer.AddPartAttachment(a.Name, mimeType, mimeParams, reader)
if err != nil {
return errors.Wrap(err, "AddPartAttachment")
}
app.PushSuccess(fmt.Sprintf("Attached %s", a.Name))
return nil
}
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