37 lines
925 B
Lua
37 lines
925 B
Lua
-- This script may be used with the email-filter or repo.email-filter settings in cgitrc.
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-- It adds libravatar icons to author names. It is designed to be used with the lua:
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-- prefix in filters.
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--
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-- Requirements:
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-- luaossl
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-- <http://25thandclement.com/~william/projects/luaossl.html>
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--
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local digest = require("openssl.digest")
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function md5_hex(input)
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local b = digest.new("md5"):final(input)
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local x = ""
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for i = 1, #b do
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x = x .. string.format("%.2x", string.byte(b, i))
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end
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return x
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end
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function filter_open(email, page)
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buffer = ""
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md5 = md5_hex(email:sub(2, -2):lower())
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end
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function filter_close()
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baseurl = os.getenv("HTTPS") and "https://seccdn.libravatar.org/" or "http://cdn.libravatar.org/"
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html("<img src='" .. baseurl .. "avatar/" .. md5 .. "?s=13&d=retro' width='13' height='13' alt='Libravatar' /> " .. buffer)
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return 0
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end
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function filter_write(str)
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buffer = buffer .. str
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end
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