pgp: add options auto-sign & opportunistic-encrypt

Add account level config options for auto-sign and opportunistic
encryption.

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
Tested-by: Koni Marti <koni.marti@gmail.com>

config/config.go

@@ -104,7 +104,11 @@ type AccountConfig struct {
 	SignatureCmd      string
 	EnableFoldersSort bool     `ini:"enable-folders-sort"`
 	FoldersSort       []string `ini:"folders-sort" delim:","`
-	PgpKeyId          string   `ini:"pgp-key-id"`
+
+	// PGP Config
+	PgpKeyId                string `ini:"pgp-key-id"`
+	PgpAutoSign             bool   `ini:"pgp-auto-sign"`
+	PgpOpportunisticEncrypt bool   `ini:"pgp-opportunistic-encrypt"`
 }
 
 type BindingConfig struct {
@@ -251,6 +255,10 @@ func loadAccountConfig(path string) ([]AccountConfig, error) {
 				account.EnableFoldersSort, _ = strconv.ParseBool(val)
 			} else if key == "pgp-key-id" {
 				account.PgpKeyId = val
+			} else if key == "pgp-auto-sign" {
+				account.PgpAutoSign, _ = strconv.ParseBool(val)
+			} else if key == "pgp-opportunistic-encrypt" {
+				account.PgpOpportunisticEncrypt, _ = strconv.ParseBool(val)
 			} else if key != "name" {
 				account.Params[key] = val
 			}

doc/aerc-config.5.scd

@@ -588,10 +588,23 @@ Note that many of these configuration options are written for you, such as
 
 	Default: none
 
+*pgp-auto-sign*
+	If true, all outgoing emails from this account will be signed (if a signing
+	key is available)
+
+	Default: false
+
 *pgp-key-id*
 	Specify the key id to use when signing a message. Can be either short or
 	long key id. If unset, aerc will look up the key by email
 
+*pgp-opportunistic-encrypt*
+	If true, any outgoing email from this account will be encrypted when all
+	recipients (including "cc" and "bcc" field) have a public key available in
+	the keyring
+
+	Default: false
+
 *postpone*
 	Specifies the folder to save postponed messages to.
 

widgets/compose.go

@@ -118,6 +118,13 @@ func NewComposer(aerc *Aerc, acct *AccountView, conf *config.AercConfig,
 	c.updateCrypto()
 	c.ShowTerminal()
 
+	if c.acctConfig.PgpAutoSign {
+		c.SetSign(true)
+	}
+	if c.acctConfig.PgpOpportunisticEncrypt {
+		c.SetEncrypt(true)
+	}
+
 	return c, nil
 }