aerc/commands/msgview/open.go

80 lines
1.6 KiB
Go

package msgview
import (
"fmt"
"io"
"io/ioutil"
"mime"
"os"
"time"
"git.sr.ht/~sircmpwn/aerc/lib"
"git.sr.ht/~sircmpwn/aerc/widgets"
)
type Open struct{}
func init() {
register(Open{})
}
func (Open) Aliases() []string {
return []string{"open"}
}
func (Open) Complete(aerc *widgets.Aerc, args []string) []string {
return nil
}
func (Open) Execute(aerc *widgets.Aerc, args []string) error {
mv := aerc.SelectedTab().(*widgets.MessageViewer)
p := mv.SelectedMessagePart()
store := mv.Store()
store.FetchBodyPart(p.Msg.Uid, p.Index, func(reader io.Reader) {
extension := ""
// try to determine the correct extension based on mimetype
if part, err := p.Msg.BodyStructure.PartAtIndex(p.Index); err == nil {
mimeType := fmt.Sprintf("%s/%s", part.MIMEType, part.MIMESubType)
if exts, _ := mime.ExtensionsByType(mimeType); exts != nil && len(exts) > 0 {
extension = exts[0]
}
}
tmpFile, err := ioutil.TempFile(os.TempDir(), "aerc-*"+extension)
if err != nil {
aerc.PushError(" " + err.Error())
return
}
defer tmpFile.Close()
_, err = io.Copy(tmpFile, reader)
if err != nil {
aerc.PushError(" " + err.Error())
return
}
xdg := lib.NewXDGOpen(tmpFile.Name())
// pass through any arguments the user provided to the underlying handler
if len(args) > 1 {
xdg.SetArgs(args[1:])
}
err = xdg.Start()
if err != nil {
aerc.PushError(err.Error())
return
}
go func() {
err := xdg.Wait()
if err != nil {
aerc.PushError(" " + err.Error())
}
}()
aerc.PushStatus("Opened", 10*time.Second)
})
return nil
}