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-rw-r--r--filters/email-gravatar.lua17
1 files changed, 13 insertions, 4 deletions
diff --git a/filters/email-gravatar.lua b/filters/email-gravatar.lua index 52cf426..c39b490 100644 --- a/filters/email-gravatar.lua +++ b/filters/email-gravatar.lua
@@ -3,15 +3,24 @@
3-- prefix in filters. It is much faster than the corresponding python script. 3-- prefix in filters. It is much faster than the corresponding python script.
4-- 4--
5-- Requirements: 5-- Requirements:
6-- luacrypto >= 0.3 6-- luaossl
7-- <http://mkottman.github.io/luacrypto/> 7-- <http://25thandclement.com/~william/projects/luaossl.html>
8-- 8--
9 9
10local crypto = require("crypto") 10local digest = require("openssl.digest")
11
12function md5_hex(input)
13 local b = digest.new("md5"):final(input)
14 local x = ""
15 for i = 1, #b do
16 x = x .. string.format("%.2x", string.byte(b, i))
17 end
18 return x
19end
11 20
12function filter_open(email, page) 21function filter_open(email, page)
13 buffer = "" 22 buffer = ""
14 md5 = crypto.digest("md5", email:sub(2, -2):lower()) 23 md5 = md5_hex(email:sub(2, -2):lower())
15end 24end
16 25
17function filter_close() 26function filter_close()