Enigma: Enable default signing/encryption on a signed/encrypted draft compose

plugins/enigma/enigma.js

@@ -48,6 +48,11 @@ window.rcmail && rcmail.addEventListener('init', function(evt) {
             });
         }
 
+        $.each(['encrypt', 'sign'], function() {
+            if (rcmail.env['enigma_force_' + this])
+                $('[name="_enigma_' + this + '"]').prop('checked', true);
+        });
+
         if (rcmail.env.enigma_password_request) {
             rcmail.enigma_password_request(rcmail.env.enigma_password_request);
         }

plugins/enigma/lib/enigma_ui.php

@@ -999,6 +999,10 @@ class enigma_ui
             $this->rc->output->show_message($msg, 'error');
         }
 
+        // Check sign/ecrypt options for signed/encrypted drafts
+        $this->rc->output->set_env('enigma_force_encrypt', !empty($engine->decryptions));
+        $this->rc->output->set_env('enigma_force_sign', !empty($engine->signatures));
+
         return $p;
     }
 }