From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Mon, 15 Aug 2016 16:58:07 +0000 (+0100)
Subject: [Feature] Allow to get digest of a mime part from lua
X-Git-Tag: 1.3.4~49
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=1534fdca8c1d35ede2ce89c3604f344b8f74e5f5;p=rspamd.git

[Feature] Allow to get digest of a mime part from lua
---

diff --git a/src/lua/lua_mimepart.c b/src/lua/lua_mimepart.c
index 6cf0b8f23..b8f7d8f85 100644
--- a/src/lua/lua_mimepart.c
+++ b/src/lua/lua_mimepart.c
@@ -282,6 +282,13 @@ LUA_FUNCTION_DEF (mimepart, is_text);
  */
 LUA_FUNCTION_DEF (mimepart, get_text);
 
+/***
+ * @method mime_part:get_digest()
+ * Returns the unique digest for this mime part
+ * @return {string} 128 characters hex string with digest of the part
+ */
+LUA_FUNCTION_DEF (mimepart, get_digest);
+
 static const struct luaL_reg mimepartlib_m[] = {
 	LUA_INTERFACE_DEF (mimepart, get_content),
 	LUA_INTERFACE_DEF (mimepart, get_length),
@@ -296,6 +303,7 @@ static const struct luaL_reg mimepartlib_m[] = {
 	LUA_INTERFACE_DEF (mimepart, get_archive),
 	LUA_INTERFACE_DEF (mimepart, is_text),
 	LUA_INTERFACE_DEF (mimepart, get_text),
+	LUA_INTERFACE_DEF (mimepart, get_digest),
 	{"__tostring", rspamd_lua_class_tostring},
 	{NULL, NULL}
 };
@@ -802,6 +810,24 @@ lua_mimepart_get_text (lua_State * L)
 	return 1;
 }
 
+static gint
+lua_mimepart_get_digest (lua_State * L)
+{
+	struct rspamd_mime_part *part = lua_check_mimepart (L);
+	gchar digestbuf[rspamd_cryptobox_HASHBYTES * 2 + 1];
+
+	if (part == NULL) {
+		return luaL_error (L, "invalid arguments");
+	}
+
+	memset (digestbuf, 0, sizeof (digestbuf));
+	rspamd_encode_hex_buf (part->digest, sizeof (part->digest),
+			digestbuf, sizeof (digestbuf));
+	lua_pushstring (L, digestbuf);
+
+	return 1;
+}
+
 void
 luaopen_textpart (lua_State * L)
 {