Cavemanon/haproxy-protection
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change cookie to not expire instead of client-controlled expiry (duh)

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use bucket duration as part of secret generation
xxh32 -> xxh64
This commit is contained in:
Thomas Lynch
2021-11-24 01:09:11 +11:00
parent f7f6ecd276
commit 0c0fa22d6f
2 changed files with 5 additions and 2 deletions
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5
src/libs/utils.lua
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@ -15,7 +15,10 @@ function _M.resolve_fqdn(fqdn)
return result:gsub("\n", "")
end
local secret_bucket_duration = 43200 -- 60 * 60 * 12 -- 12 hours
function _M.generate_secret(context, salt, is_applet)
local start_sec = core.now()['sec']
local bucket = start_sec - (start_sec % secret_bucket_duration)
local ip = context.sf:src()
local user_agent
if is_applet == true then
@ -24,7 +27,7 @@ function _M.generate_secret(context, salt, is_applet)
else
user_agent = context.sf:req_hdr('user-agent')
end
return context.sc:xxh32(salt .. ip .. user_agent)
return context.sc:xxh64(salt .. bucket .. ip .. user_agent)
end
return _M