Author: Christian Hesse <mail@eworm.de>
filter: fix libravatar email-filter https issue Serving cgit via https and getting avatar via http gives error messages about untrusted content. This decides whether or not to use https link by looking at the environment variable HTTPS, which is set in CGI.
filters/email-libravatar.lua | 3 ++-
diff --git a/filters/email-libravatar.lua b/filters/email-libravatar.lua index a248be419073223e1d457e509a0dfedd955a71cf..b0e244747e1b683d6d6b19113acaa55423921b34 100644 --- a/filters/email-libravatar.lua +++ b/filters/email-libravatar.lua @@ -15,7 +15,8 @@ md5 = crypto.digest("md5", email:sub(2, -2):lower()) end function filter_close() - html("<img src='//cdn.libravatar.org/avatar/" .. md5 .. "?s=13&d=retro' width='13' height='13' alt='Libravatar' /> " .. buffer) + 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