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package lib
import (
"io"
"os"
"path"
"github.com/kyoh86/xdg"
"golang.org/x/crypto/openpgp"
"golang.org/x/crypto/openpgp/packet"
)
var (
Keyring openpgp.EntityList
locked bool
)
func InitKeyring() {
os.MkdirAll(path.Join(xdg.DataHome(), "aerc"), 0700)
lockpath := path.Join(xdg.DataHome(), "aerc", "keyring.lock")
lockfile, err := os.OpenFile(lockpath, os.O_CREATE|os.O_EXCL, 0600)
if err != nil {
// TODO: Consider connecting to main process over IPC socket
locked = false
} else {
locked = true
lockfile.Close()
}
keypath := path.Join(xdg.DataHome(), "aerc", "keyring.asc")
keyfile, err := os.Open(keypath)
if os.IsNotExist(err) {
return
} else if err != nil {
panic(err)
}
defer keyfile.Close()
Keyring, err = openpgp.ReadKeyRing(keyfile)
if err != nil {
panic(err)
}
}
func UnlockKeyring() {
if !locked {
return
}
lockpath := path.Join(xdg.DataHome(), "aerc", "keyring.lock")
os.Remove(lockpath)
}
func ImportKeys(r io.Reader) error {
keys, err := openpgp.ReadKeyRing(r)
if err != nil {
return err
}
Keyring = append(Keyring, keys...)
if locked {
keypath := path.Join(xdg.DataHome(), "aerc", "keyring.asc")
keyfile, err := os.OpenFile(keypath, os.O_CREATE|os.O_APPEND, 0600)
if err != nil {
return err
}
defer keyfile.Close()
for _, key := range keys {
if key.PrivateKey != nil {
err = key.SerializePrivate(keyfile, &packet.Config{})
} else {
err = key.Serialize(keyfile)
}
if err != nil {
return err
}
}
}
return nil
}
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