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authorChristian Hesse <mail@eworm.de>2014-03-13 11:55:49 +0100
committerJason A. Donenfeld <Jason@zx2c4.com>2014-03-13 04:57:01 -0600
commite22e985416929adb735bd952db00fce82d883914 (patch)
treecc039a06c81da4d8321b661a180806bfb1471a23 /filters
parentf2fa9c56e29ae32bbe5841e7bfe0217ada4e3df9 (diff)
filter: add libravatar email-filter lua script
Diffstat (limited to 'filters')
-rw-r--r--filters/email-libravatar.lua26
1 files changed, 26 insertions, 0 deletions
diff --git a/filters/email-libravatar.lua b/filters/email-libravatar.lua
new file mode 100644
index 0000000..a248be4
--- /dev/null
+++ b/filters/email-libravatar.lua
@@ -0,0 +1,26 @@
+-- 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()
+	html("<img src='//cdn.libravatar.org/avatar/" .. md5 .. "?s=13&amp;d=retro' width='13' height='13' alt='Libravatar' /> " .. buffer)
+	return 0
+end
+
+function filter_write(str)
+	buffer = buffer .. str
+end
+
+