From 557cad5d0aee29dc8900b4fa6922fcff379244d1 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 28 Mar 2017 14:36:07 +0100
Subject: [Feature] Allow to get task's subject

---
 src/lua/lua_task.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index 36272ecfe..46fc5da94 100644
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -195,6 +195,12 @@ LUA_FUNCTION_DEF (task, get_request_header);
  * @param {rspamd_text/string} value new header's value
  */
 LUA_FUNCTION_DEF (task, set_request_header);
+/***
+ * @method task:get_subject()
+ * Returns task subject (either from the protocol override or from a header)
+ * @return {string} value of a subject (decoded)
+ */
+LUA_FUNCTION_DEF (task, get_subject);
 /***
  * @method task:get_header(name[, case_sensitive])
  * Get decoded value of a header specified with optional case_sensitive flag.
@@ -817,6 +823,7 @@ static const struct luaL_reg tasklib_m[] = {
 	LUA_INTERFACE_DEF (task, set_from_ip),
 	LUA_INTERFACE_DEF (task, get_from_ip_num),
 	LUA_INTERFACE_DEF (task, get_client_ip),
+	LUA_INTERFACE_DEF (task, get_subject),
 	LUA_INTERFACE_DEF (task, get_helo),
 	LUA_INTERFACE_DEF (task, set_helo),
 	LUA_INTERFACE_DEF (task, get_hostname),
@@ -2586,6 +2593,27 @@ lua_task_get_helo (lua_State *L)
 	return 1;
 }
 
+static gint
+lua_task_get_subject (lua_State *L)
+{
+	struct rspamd_task *task = lua_check_task (L, 1);
+
+	if (task) {
+		if (task->subject != NULL) {
+			lua_pushstring (L, task->subject);
+			return 1;
+		}
+		else {
+			lua_pushnil (L);
+		}
+	}
+	else {
+		return luaL_error (L, "invalid arguments");
+	}
+
+	return 1;
+}
+
 static gint
 lua_task_set_helo (lua_State *L)
 {
-- 
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