diff options
Diffstat (limited to 'filters/email-libravatar.lua')
| -rw-r--r-- | filters/email-libravatar.lua | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/filters/email-libravatar.lua b/filters/email-libravatar.lua new file mode 100644 index 000000000000..7336baf830a1 --- /dev/null +++ b/filters/email-libravatar.lua @@ -0,0 +1,36 @@ +-- 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: +-- 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() + baseurl = os.getenv("HTTPS") and "https://seccdn.libravatar.org/" or "http://cdn.libravatar.org/" + html("<img src='" .. baseurl .. "avatar/" .. md5 .. "?s=13&d=retro' width='13' height='13' alt='Libravatar' /> " .. buffer) + return 0 +end + +function filter_write(str) + buffer = buffer .. str +end + + |