Fix replying to gpg encrypted mails (#186)

mu/mu-cmd-server.c

@@ -471,6 +471,21 @@ include_attachments (MuMsg *msg)
 	return g_string_free (gstr, FALSE);
 }
 
+static MuMsgOptions
+get_encrypted_msg_opts (GHashTable *args)
+{
+	MuMsgOptions opts;
+
+	opts = MU_MSG_OPTION_NONE;
+
+	if (get_bool_from_args (args, "use-agent", FALSE, NULL))
+		opts |= MU_MSG_OPTION_USE_AGENT;
+	if (get_bool_from_args (args, "extract-encrypted", FALSE, NULL))
+		opts |= MU_MSG_OPTION_DECRYPT;
+
+	return opts;
+}
+
 enum { NEW, REPLY, FORWARD, EDIT, INVALID_TYPE };
 static unsigned
 compose_type (const char *typestr)
@@ -505,6 +520,9 @@ cmd_compose (ServerContext *ctx, GHashTable *args, GError **err)
 	const gchar *typestr;
 	char *sexp, *atts;
 	unsigned ctype;
+	MuMsgOptions opts;
+
+	opts = get_encrypted_msg_opts (args);
 
 	GET_STRING_OR_ERROR_RETURN (args, "type", &typestr, err);
 
@@ -523,8 +541,7 @@ cmd_compose (ServerContext *ctx, GHashTable *args, GError **err)
 			print_and_clear_g_error (err);
 			return MU_OK;
 		}
-		sexp = mu_msg_to_sexp (msg, atoi(docidstr), NULL,
-				       MU_MSG_OPTION_NONE);
+		sexp = mu_msg_to_sexp (msg, atoi(docidstr), NULL, opts);
 		atts = (ctype == FORWARD) ? include_attachments (msg) : NULL;
 		mu_msg_unref (msg);
 	} else
@@ -776,22 +793,6 @@ temp_part (MuMsg *msg, unsigned docid, unsigned index,
 	return MU_OK;
 }
 
-
-static MuMsgOptions
-get_extract_msg_opts (GHashTable *args)
-{
-	MuMsgOptions opts;
-
-	opts = MU_MSG_OPTION_NONE;
-
-	if (get_bool_from_args (args, "use-agent", FALSE, NULL))
-		opts |= MU_MSG_OPTION_USE_AGENT;
-	if (get_bool_from_args (args, "extract-encrypted", FALSE, NULL))
-		opts |= MU_MSG_OPTION_DECRYPT;
-
-	return opts;
-}
-
 enum { SAVE, OPEN, TEMP, INVALID_ACTION };
 static int
 action_type (const char *actionstr)
@@ -816,7 +817,7 @@ cmd_extract (ServerContext *ctx, GHashTable *args, GError **err)
 	MuMsgOptions opts;
 	const char* actionstr, *indexstr;
 
-	opts = get_extract_msg_opts (args);
+	opts = get_encrypted_msg_opts (args);
 	rv = MU_ERROR;
 
 	/* read parameters */

mu4e/mu4e-compose.el

@@ -381,7 +381,7 @@ tempfile)."
   (mu4e~compose-hide-headers)
   ;; switch on the mode
   (mu4e-compose-mode))
- 
+
 (defun mu4e-sent-handler (docid path)
   "Handler function, called with DOCID and PATH for the just-sent
 message. For Forwarded ('Passed') and Replied messages, try to set
@@ -466,7 +466,13 @@ for draft messages."
     (if (eq compose-type 'new)
       (mu4e~compose-handler 'new)
       ;; otherwise, we need the doc-id
-      (let ((docid (mu4e-message-field msg :docid)))
+      (let* ((docid (mu4e-message-field msg :docid))
+	;; decrypt (or not), based on `mu4e-decryption-policy'.
+	(decrypt
+	  (and (member 'encrypted (mu4e-message-field msg :flags))
+	    (if (eq mu4e-decryption-policy 'ask)
+	      (yes-or-no-p (mu4e-format "Decrypt message?"))
+	      mu4e-decryption-policy))))
 	;; if there's a visible view window, select that before starting composing
 	;; a new message, so that one will be replaced by the compose window. The
 	;; 10-or-so line headers buffer is not a good place to write it...
@@ -474,7 +480,7 @@ for draft messages."
 	  (when (window-live-p viewwin)
 	    (select-window viewwin)))
 	;; talk to the backend
-	(mu4e~proc-compose compose-type docid)))))
+	(mu4e~proc-compose compose-type decrypt docid)))))
 
 (defun mu4e-compose-reply ()
   "Compose a reply for the message at point in the headers buffer."

mu4e/mu4e-proc.el

@@ -433,7 +433,7 @@ e.g. '/drafts'.
       (mu4e~proc-escape path) (mu4e~proc-escape maildir)))
 
 
-(defun mu4e~proc-compose (type &optional docid)
+(defun mu4e~proc-compose (type decrypt &optional docid)
   "Start composing a message of certain TYPE (a symbol, either
 `forward', `reply', `edit' or `new', based on an original
 message (ie, replying to, forwarding, editing) with DOCID or nil
@@ -445,8 +445,9 @@ The result will be delivered to the function registered as
     (mu4e-error "Unsupported compose-type %S" type))
   (unless (eq (null docid) (eq type 'new))
     (mu4e-error "`new' implies docid not-nil, and vice-versa"))
-  (mu4e~proc-send-command "cmd:compose type:%s docid:%d"
-    (symbol-name type) docid))
+  (mu4e~proc-send-command
+    "cmd:compose type:%s docid:%d extract-encrypted:%s use-agent:true"
+    (symbol-name type) docid (if decrypt "true" "false")))
 
 (defun mu4e~proc-mkdir (path)
   "Create a new maildir-directory at filesystem PATH."