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-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
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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()
+ 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
+
+