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authorKoni Marti <koni.marti@gmail.com>2021-12-30 10:25:08 +0100
committerRobin Jarry <robin@jarry.cc>2022-01-07 13:45:34 +0100
commit69d4e3895fd15f292036320d27bbe9b83651bb78 (patch)
tree23b63b721f93e7dd8025fe6e6e519f0d5b2cf9f1 /commands/compose
parent8813fadfe9ec33361314064a284c612e5e3fa784 (diff)
downloadaerc-69d4e3895fd15f292036320d27bbe9b83651bb78.tar.gz
pgp: PGP/MIME signing for outgoing emails
implements PGP/MIME signing with go-pgpmail. The Sign() function of
go-pgpmail requires a private (signing) key. The signing key which matches
the senders email address (from field in email header) is looked up
in aerc's copy of the keyring.

Private keys can be exported from gpg into aerc as follows:
$ gpg --export-secret-keys  >> ~/.local/share/aerc/keyring.asc

A message is signed with the ":sign" command. The sign command sets
a bool flag in the Composer struct. Using the command repeatedly will
toggle the flag.

References: https://todo.sr.ht/~rjarry/aerc/6
Signed-off-by: Koni Marti <koni.marti@gmail.com>
Diffstat (limited to 'commands/compose')
-rw-r--r--commands/compose/sign.go44
1 files changed, 44 insertions, 0 deletions
diff --git a/commands/compose/sign.go b/commands/compose/sign.go
new file mode 100644
index 0000000..eb985e9
--- /dev/null
+++ b/commands/compose/sign.go
@@ -0,0 +1,44 @@
+package compose
+
+import (
+	"errors"
+	"time"
+
+	"git.sr.ht/~rjarry/aerc/widgets"
+)
+
+type Sign struct{}
+
+func init() {
+	register(Sign{})
+}
+
+func (Sign) Aliases() []string {
+	return []string{"sign"}
+}
+
+func (Sign) Complete(aerc *widgets.Aerc, args []string) []string {
+	return nil
+}
+
+func (Sign) Execute(aerc *widgets.Aerc, args []string) error {
+	if len(args) != 1 {
+		return errors.New("Usage: sign")
+	}
+
+	composer, _ := aerc.SelectedTab().(*widgets.Composer)
+
+	composer.SetSign(!composer.Sign())
+
+	var statusline string
+
+	if composer.Sign() {
+		statusline = "Message will be signed."
+	} else {
+		statusline = "Message will not be signed."
+	}
+
+	aerc.PushStatus(statusline, 10*time.Second)
+
+	return nil
+}