cgitsb/filters/email-gravatar.lua
Christian Hesse 1167dbb95b email-gravatar: fix html syntax issues
* make ampersand a html entity
* add required alt attribute
* add required img end tag
2014-01-14 13:55:44 +01:00

26 lines
702 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/>
--
local crypto = 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&amp;d=retro' style='height:10pt;width:10pt' alt='Gravatar' /> " .. buffer)
end
function filter_write(str)
buffer = buffer .. str
end