Diffstat (limited to 'filters/email-gravatar.lua')
| -rw-r--r-- | filters/email-gravatar.lua | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/filters/email-gravatar.lua b/filters/email-gravatar.lua index 982e030..c39b490 100644 --- a/filters/email-gravatar.lua +++ b/filters/email-gravatar.lua @@ -3,19 +3,29 @@ -- prefix in filters. It is much faster than the corresponding python script. -- -- Requirements: --- luacrypto >= 0.3 --- <http://mkottman.github.io/luacrypto/> +-- luaossl +-- <http://25thandclement.com/~william/projects/luaossl.html> -- -require("crypto") +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 = crypto.digest("md5", email:sub(2, -2):lower()) + md5 = md5_hex(email:sub(2, -2):lower()) end function filter_close() - html("<img src='//www.gravatar.com/avatar/" .. md5 .. "?s=13&d=retro' style='height:10pt;width:10pt'> " .. buffer) + html("<img src='//www.gravatar.com/avatar/" .. md5 .. "?s=13&d=retro' width='13' height='13' alt='Gravatar' /> " .. buffer) + return 0 end function filter_write(str) |