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fix(api): do sliding window rate limiting correctly (hopefully)

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alyssa 2024-09-27 16:57:32 +09:00
parent 873643153d
commit 21d647f423
2 changed files with 9 additions and 15 deletions
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10
services/api/src/middleware/ratelimit.lua
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@ -2,13 +2,11 @@
-- redis.replicate_commands()
local rate_limit_key = KEYS[1]
local burst = ARGV[1]
local rate = ARGV[2]
local period = ARGV[3]
local rate = ARGV[1]
local period = ARGV[2]
local cost = tonumber(ARGV[3])
-- we're only ever asking for 1 request at a time
-- todo: this is no longer true
local cost = 1 --local cost = tonumber(ARGV[4])
local burst = rate
local emission_interval = period / rate
local increment = emission_interval * cost