cgitsb/filters/email-gravatar.lua
Jason A. Donenfeld 786609bd36 filter: add page source to email filter
Since the email filter is called from lots of places, the script might
benefit from knowing the origin. That way it can modify its contents
and/or size depending.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2014-01-14 02:00:07 +01:00

26 lines
666 B
Lua

-- This script may be used with the email-filter or repo.email-filter settings in cgitrc.
-- It adds gravatar icons to author names. It is designed to be used with the lua:
-- prefix in filters. It is much faster than the corresponding python script.
--
-- Requirements:
-- luacrypto >= 0.3
-- <http://mkottman.github.io/luacrypto/>
--
require("crypto")
function filter_open(email, page)
buffer = ""
md5 = crypto.digest("md5", email:sub(2, -2):lower())
end
function filter_close()
html("<img src='//www.gravatar.com/avatar/" .. md5 .. "?s=13&d=retro' style='height:10pt;width:10pt'> " .. buffer)
end
function filter_write(str)
buffer = buffer .. str
end