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Nama	Ukuran	Aksi
ssl	-	Open
balancer.lua	11.22 MB	View DL Edit
base64.lua	1.68 MB	View DL Edit
errlog.lua	4.31 MB	View DL Edit
ocsp.lua	4.06 MB	View DL Edit
pipe.lua	19.14 MB	View DL Edit
process.lua	2.95 MB	View DL Edit
re.lua	7.55 MB	View DL Edit
req.lua	340 B	View DL Edit
resp.lua	365 B	View DL Edit
semaphore.lua	4.98 MB	View DL Edit
ssl.lua	17.36 MB	View DL Edit

Edit file: /opt/imunify360-webshield/lualib/ngx/base64.lua

-- Copyright (C) by Yichun Zhang (agentzh)
-- Copyright (C) by OpenResty Inc.

local ffi = require("ffi")
local base = require("resty.core.base")

local ffi_str = ffi.string
local type = type
local C = ffi.C
local NGX_ERROR = ngx.ERROR

local _M = { version = base.version }

ffi.cdef[[
typedef intptr_t        ngx_int_t;

void ngx_encode_base64url(ngx_str_t *dst, ngx_str_t *src);
ngx_int_t ngx_decode_base64url(ngx_str_t *dst, ngx_str_t *src);
]]

local get_string_buf = base.get_string_buf

local dst_str_t = ffi.new("ngx_str_t[1]")
local src_str_t = ffi.new("ngx_str_t[1]")

local function base64_encoded_length(len)
    return ((len + 2) / 3) * 4
end

local function base64_decoded_length(len)
    return ((len + 3) / 4) * 3
end

function _M.encode_base64url(s)
    if type(s) ~= "string" then
        return nil, "must provide a string"
    end

local len = #s
    local trans_len = base64_encoded_length(len)
    local src = src_str_t[0]
    local dst = dst_str_t[0]

src.data = s
    src.len = len

dst.data = get_string_buf(trans_len)
    dst.len = trans_len

C.ngx_encode_base64url(dst_str_t, src_str_t)

return ffi_str(dst.data, dst.len)
end

function _M.decode_base64url(s)
    if type(s) ~= "string" then
        return nil, "must provide a string"
    end

local len = #s
    local trans_len = base64_decoded_length(len)
    local src = src_str_t[0]
    local dst = dst_str_t[0]

src.data = s
    src.len = len

dst.data = get_string_buf(trans_len)
    dst.len = trans_len

local ret = C.ngx_decode_base64url(dst_str_t, src_str_t)
    if ret == NGX_ERROR then
        return nil, "invalid input"
    end

return ffi_str(dst.data, dst.len)
end

return _M

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