aerc/commands/account/view.go
Robin Jarry c26d08103b aerc: always check SelectedAccount return value
aerc.SelectedAccount() is used in lots of places. Most of them without
checking the return value.

In some cases, the currently selected tab is not related to any account
(widget.Terminal for example). This can lead to unexpected crashes when
accessing account specific configuration.

When possible, return an error when no account is currently selected.
If no error can be returned, fallback to non-account specific
configuration.

Signed-off-by: Robin Jarry <robin@jarry.cc>
Reviewed-by: Koni Marti <koni.marti@gmail.com>
2022-02-25 13:56:53 +01:00

58 lines
1.1 KiB
Go

package account
import (
"errors"
"git.sr.ht/~rjarry/aerc/lib"
"git.sr.ht/~rjarry/aerc/widgets"
)
type ViewMessage struct{}
func init() {
register(ViewMessage{})
}
func (ViewMessage) Aliases() []string {
return []string{"view-message", "view"}
}
func (ViewMessage) Complete(aerc *widgets.Aerc, args []string) []string {
return nil
}
func (ViewMessage) Execute(aerc *widgets.Aerc, args []string) error {
if len(args) != 1 {
return errors.New("Usage: view-message")
}
acct := aerc.SelectedAccount()
if acct == nil {
return errors.New("No account selected")
}
if acct.Messages().Empty() {
return nil
}
store := acct.Messages().Store()
msg := acct.Messages().Selected()
if msg == nil {
return nil
}
_, deleted := store.Deleted[msg.Uid]
if deleted {
return nil
}
if msg.Error != nil {
aerc.PushError(msg.Error.Error())
return nil
}
lib.NewMessageStoreView(msg, store, aerc.DecryptKeys,
func(view lib.MessageView, err error) {
if err != nil {
aerc.PushError(err.Error())
return
}
viewer := widgets.NewMessageViewer(acct, aerc.Config(), view)
aerc.NewTab(viewer, msg.Envelope.Subject)
})
return nil
}