diff options
| -rw-r--r-- | lualib/lua_util.lua | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lualib/lua_util.lua b/lualib/lua_util.lua index bcb697e2c..a7a0e6938 100644 --- a/lualib/lua_util.lua +++ b/lualib/lua_util.lua @@ -1431,4 +1431,20 @@ exports.is_skip_local_or_authed = function(task, conf, ip) return false end +---[[[ +-- @function lua_util.maybe_smtp_quote_value(str) +-- Checks string for the forbidden elements (tspecials in RFC and quote string if needed) +-- @param {string} str input string +-- @return {string} original or quoted string +--]]] +local tspecial = lpeg.S"()<>@,;:\\\"/[]?= \t\v" +local special_match = lpeg.P((1 - tspecial)^0 * tspecial^1) +exports.maybe_smtp_quote_value = function(str) + if special_match:match(str) then + return string.format('"%s"', str:gsub('"', '\\"')) + end + + return str +end + return exports |