ACIL FM

Nama	Ukuran	Aksi
base.lua	5.4 MB	View DL Edit
base64.lua	3.06 MB	View DL Edit
coroutine.lua	769 B	View DL Edit
ctx.lua	3.71 MB	View DL Edit
exit.lua	1.41 MB	View DL Edit
hash.lua	3.92 MB	View DL Edit
misc.lua	5.7 MB	View DL Edit
ndk.lua	2.13 MB	View DL Edit
param.lua	2.35 MB	View DL Edit
phase.lua	1.48 MB	View DL Edit
regex.lua	34.61 MB	View DL Edit
request.lua	11.14 MB	View DL Edit
response.lua	6.21 MB	View DL Edit
shdict.lua	26.56 MB	View DL Edit
socket.lua	7.22 MB	View DL Edit
time.lua	4.64 MB	View DL Edit
uri.lua	3.03 MB	View DL Edit
utils.lua	972 B	View DL Edit
var.lua	3.82 MB	View DL Edit
worker.lua	3.41 MB	View DL Edit

Edit file: /opt/imunify360-webshield/lualib/resty/core/param.lua

-- Copyright (C) Yichun Zhang (agentzh)

local ffi = require 'ffi'
local base = require "resty.core.base"
require "resty.core.phase"  -- for ngx.get_phase

local C = ffi.C
local ffi_str = ffi.string
local FFI_AGAIN = base.FFI_AGAIN
local FFI_OK = base.FFI_OK
local get_request = base.get_request
local get_string_buf = base.get_string_buf
local getmetatable = getmetatable
local ngx = ngx
local ngx_phase = ngx.get_phase

local _M = {
    version = base.version
}

ffi.cdef[[
    typedef unsigned char u_char;

void ngx_http_lua_ffi_get_setby_param(ngx_http_request_t *r, int idx,
        u_char **data, size_t *len);
    int ngx_http_lua_ffi_get_body_filter_param_eof(ngx_http_request_t *r);
    int ngx_http_lua_ffi_get_body_filter_param_body(ngx_http_request_t *r,
        u_char **data_p, size_t *len_p);
    int ngx_http_lua_ffi_copy_body_filter_param_body(ngx_http_request_t *r,
        u_char *data);
]]
local data_p = ffi.new("unsigned char*[1]")
local len_p = ffi.new("size_t[1]")

local function get_setby_param(r, idx)
    C.ngx_http_lua_ffi_get_setby_param(r, idx, data_p, len_p)
    if len_p[0] == 0 then
        return nil
    end

return ffi_str(data_p[0], len_p[0])
end

local function get_body_filter_param(r, idx)
    if idx == 1 then
        data_p[0] = nil
        local rc = C.ngx_http_lua_ffi_get_body_filter_param_body(r, data_p,
                                                                 len_p)
        if rc == FFI_AGAIN then
            local buf = get_string_buf(len_p[0])
            assert(C.ngx_http_lua_ffi_copy_body_filter_param_body(r, buf)
                   == FFI_OK)
            return ffi_str(buf, len_p[0])
        end

if len_p[0] == 0 then
            return ""
        end

return ffi_str(data_p[0], len_p[0])

elseif idx == 2 then
        local rc = C.ngx_http_lua_ffi_get_body_filter_param_eof(r)
        return rc == 1

else
        return nil
    end
end

local function get_param(tb, idx)
    local r = get_request()
    if not r then
        error("no request found")
    end

local phase = ngx_phase()
    if phase == "set" then
        return get_setby_param(r, idx)
    end

if phase == "body_filter" then
        return get_body_filter_param(r, idx)
    end

error("API disabled in the current context")
end

do
    local mt = getmetatable(ngx.arg)
    mt.__index = get_param
end

return _M

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