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1 -- This script may be used with the email-filter or repo.email-filter settings in cgitrc.
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2 -- It adds gravatar icons to author names. It is designed to be used with the lua:
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3 -- prefix in filters. It is much faster than the corresponding python script.
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4 --
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5 -- Requirements:
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6 -- luaossl
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7 -- <http://25thandclement.com/~william/projects/luaossl.html>
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8 --
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9
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10 local digest = require("openssl.digest")
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11
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12 function md5_hex(input)
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13 local b = digest.new("md5"):final(input)
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14 local x = ""
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15 for i = 1, #b do
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16 x = x .. string.format("%.2x", string.byte(b, i))
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17 end
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18 return x
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19 end
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20
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21 function filter_open(email, page)
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22 buffer = ""
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23 md5 = md5_hex(email:sub(2, -2):lower())
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24 end
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25
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26 function filter_close()
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27 html("<span class='libravatar'>" ..
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28 "<img class='inline' src='//www.gravatar.com/avatar/" .. md5 .. "?s=13&d=retro' />" ..
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29 "<img class='onhover' src='//www.gravatar.com/avatar/" .. md5 .. "?s=128&d=retro' />" ..
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30 "</span>" .. buffer)
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31 return 0
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32 end
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33
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34 function filter_write(str)
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35 buffer = buffer .. str
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36 end |
