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authorVincent Ambo <Vincent Ambo>2020-01-11T23·30+0000
committerVincent Ambo <Vincent Ambo>2020-01-11T23·30+0000
commit723dc8fbcb1a4609c264758eae420ee2811a2b55 (patch)
tree6dea64c58b8973fad49924d6a1f5a5ea0863408c /filters/email-gravatar.lua
Squashed 'third_party/cgit/' content from commit 8fc0c81
git-subtree-dir: third_party/cgit
git-subtree-split: 8fc0c81bbbed21ee30e8a48b2ab1066a029b7b32
Diffstat (limited to 'filters/email-gravatar.lua')
-rw-r--r--filters/email-gravatar.lua35
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diff --git a/filters/email-gravatar.lua b/filters/email-gravatar.lua
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+-- 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:
+-- 	luaossl
+-- 	<http://25thandclement.com/~william/projects/luaossl.html>
+--
+
+local digest = require("openssl.digest")
+
+function md5_hex(input)
+	local b = digest.new("md5"):final(input)
+	local x = ""
+	for i = 1, #b do
+		x = x .. string.format("%.2x", string.byte(b, i))
+	end
+	return x
+end
+
+function filter_open(email, page)
+	buffer = ""
+	md5 = md5_hex(email:sub(2, -2):lower())
+end
+
+function filter_close()
+	html("<img src='//www.gravatar.com/avatar/" .. md5 .. "?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> " .. buffer)
+	return 0
+end
+
+function filter_write(str)
+	buffer = buffer .. str
+end
+
+