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Update obf.lua

This commit is contained in:
dami 2025-12-06 23:42:21 +08:00
parent 2e6555a8cb
commit dba64f9ea7
1 changed files with 9 additions and 9 deletions
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18
plugins/openresty/resty/obf/obf.lua
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@ -10,15 +10,12 @@ local log_fmt = obf_log.fmt
local aes = require "resty.aes"
local ffi = require "ffi"
local ffi_str = ffi.string
local sha256 = require "resty.sha256"
local resty_str = require "resty.string"
local random = require "resty.random"
local util = require "resty.obf.util"
local obf_cache = ngx.shared.obf_cache
local obf_cache_bytes = 0
local find = string.find
local byte = string.byte
local log = ngx.log
@ -44,7 +41,6 @@ function _M.obf_encode(content)
if not a then
log(ngx.ERR, log_fmt("aes init error: %s", tostring(aerr)))
else
local key_bin = ffi_str(a._key, 32)
iv_bin = ffi_str(a._iv, 12)
local res, eerr = a:encrypt(content)
if not res then
@ -136,8 +132,11 @@ function _M.obf_html()
if find(content_type, "text/html", 1, true) then
local var_rand_var = ngx.var.obf_rand_var
local var_rand_extra = ngx.var.obf_rand_extra
local var_b64 = ngx.var.obf_uint8_b64
local cache_key = _M.get_cache_key()..tostring(html_debug)..tostring(var_rand_var)..tostring(var_b64)
local js_mode = ngx.var.obf_js_mode
local js_url = ngx.var.obf_js_url
local cache_key = _M.get_cache_key()..tostring(html_debug)..tostring(var_rand_var)..tostring(var_rand_extra)..tostring(var_b64)..tostring(js_mode)..tostring(js_url)
local cached = obf_cache and obf_cache:get(cache_key)
if cached then
if prof == "true" then
@ -174,12 +173,13 @@ function _M.obf_html()
local exptime = tonumber(cache_timeout) or 600
if obf_cache then
if max_item <= 0 or #html_data <= max_item then
if max_bytes > 0 and (obf_cache_bytes + #html_data) > max_bytes then
obf_cache:flush_all()
obf_cache_bytes = 0
if max_bytes > 0 then
local free = obf_cache:free_space()
if free and free < #html_data then
obf_cache:flush_all()
end
end
obf_cache:set(cache_key, html_data, exptime)
obf_cache_bytes = obf_cache_bytes + #html_data
end
end