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-- This script may be used with the email-filter or repo.email-filter settings in cgitrc.
-- It adds libravatar icons to author names. It is designed to be used with the lua:
-- prefix in filters.
--
-- 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()
baseurl = os.getenv("HTTPS") and "https://seccdn.libravatar.org/" or "http://cdn.libravatar.org/"
html("<img src='" .. baseurl .. "avatar/" .. md5 .. "?s=13&d=retro' width='13' height='13' alt='Libravatar' /> " .. buffer)
return 0
end
function filter_write(str)
buffer = buffer .. str
end
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