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Create tpl_v5.lua

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dami 2025-12-06 19:35:32 +08:00
parent 404fd0dfdd
commit c2a4be71c4
1 changed files with 96 additions and 0 deletions
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plugins/openresty/resty/obf/bak/tpl_v5.lua Normal file
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-- Copyright (C) midoks
local _M = { _VERSION = '1.0' }
local mt = { __index = _M }
local setmetatable = setmetatable
local forgejs = require "resty.obf.forgejs"
local util = require "resty.obf.util"
local FJ = forgejs.content()
local obf_log = require "resty.obf.log"
local log_fmt = obf_log.fmt
local log = ngx.log
function _M.new(self)
local self = {
}
return setmetatable(self, mt)
end
function _M.content(data, iv, tag, key, debug_data)
local head_html = "<!DOCTYPE html>\n<html>\n <head>\n <meta charset=\"utf-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n </head>\n <body></body>\n</html>\n"
local fj_open = "<script type=\"text/javascript\">"
local fj_close = "</script>\n"
local data_script = "<script>\nvar encrypted={{__HOLD_1__}}; var iv_data="..iv.."; var tag_data="..tag.."; var key="..key..";var d="..debug_data..";function u8ToBytes(u8){var s=\"\";for(var i=0;i<u8.length;i++){s+=String.fromCharCode(u8[i]);}return s;}\n"..
"function evpBytesToKey(pass, keyLen, ivLen){\n"..
" var m=[]; var i=0; var md=forge.md.md5.create();\n"..
" function concatLen(arr){var n=0; for(var j=0;j<arr.length;j++){n+=arr[j].length;} return n;}\n"..
" while(concatLen(m) < (keyLen+ivLen)){\n"..
" md.start(); if(i>0){ md.update(m[i-1]); }\n"..
" md.update(pass);\n"..
" var d = md.digest().getBytes(); m.push(d); i++;\n"..
" }\n"..
" var ms = m.join(\"\"); var key = ms.substring(0,keyLen); var iv = ms.substring(keyLen,keyLen+ivLen);\n"..
" return {key:key, iv:iv};\n"..
"}\n\n"..
"window.onload = function(){\n"..
" var startTime = Date.now();\n\n"..
" var dk = evpBytesToKey(u8ToBytes(key), 32, 32);\n"..
" var decipher = forge.cipher.createDecipher(\"AES-GCM\", dk.key);\n"..
" decipher.start({iv: u8ToBytes(iv_data), tag: forge.util.createBuffer(u8ToBytes(tag_data))});\n"..
" decipher.update(forge.util.createBuffer(u8ToBytes(encrypted)));\n"..
" var ok = decipher.finish();\n\n"..
" if (ok) {\n"..
" var newDoc = new DOMParser().parseFromString(decipher.output, \"text/html\");\n\n"..
" if (d){\n"..
" console.log(newDoc);\n"..
" console.log(decipher.output);\n"..
" }\n"..
" document.head.innerHTML = newDoc.head.innerHTML;\n"..
" document.open();\n"..
" document.write(decipher.output);\n"..
" document.close();\n"..
" }\n"..
" var endTime = Date.now();\n"..
" if (d){\n"..
" console.log(\"dec cos(ms):\",endTime - startTime);\n"..
" }\n"..
"}\n</script>\n"
if not (ngx.var.obf_rand_var == "false") then
data_script = util.obf_rand(data_script)
end
local prof = ngx.var.obf_prof
if not (ngx.var.obf_rand_extra == "false") then
local t_add0 = util.tmark()
data_script = util.obf_rand_data(data_script)
if prof == "true" then
log(ngx.ERR, log_fmt("obf_prof obf_rand_data add_ms=%.2f", util.dt_ms(t_add0)))
end
end
local t_df0 = util.tmark()
data_script = util.data_filter(data_script)
if prof == "true" then
log(ngx.ERR, log_fmt("obf_prof data_filter ms=%.2f", util.dt_ms(t_df0)))
end
data_script = data_script:gsub("{{__HOLD_1__}}", data)
return table.concat({
head_html,
fj_open,
FJ,
fj_close,
data_script,
})
end
return _M