add sign_by_default account setting to enable GPG signatures by default, use existing gpg_key setting

1 files changed, 19 insertions, 0 deletions

diff --git a/alot/db/envelope.py b/alot/db/envelope.py
index 9d8e2599..f75e9dd1 100644
--- a/alot/db/envelope.py
+++ b/alot/db/envelope.py
@@ -137,6 +137,25 @@ class Envelope(object):
         if self.sent_time:
             self.modified_since_sent = True
 
+    def apply_account_crypto_settings(self, account, ui):
+        """
+        initializes sign and sign_key from the account settings.
+        """
+        if account is None:
+            return
+
+        self.sign = account.sign_by_default
+
+        if account.gpg_key is None:
+            return
+
+        try:
+            key = crypto.CryptoContext().get_key(str(account.gpg_key))
+        except GPGProblem, e:
+            ui.notify(e.message, priority='error')
+            return
+        self.sign_key = key
+
     def construct_mail(self):
         """
         compiles the information contained in this envelope into a