wehub-resource-sync
68 lines
1.3 KiB
Lua
68 lines
1.3 KiB
Lua
local _M = {}
|
|
|
|
|
|
local sha256_bin
|
|
do
|
|
local digest = require "resty.openssl.digest"
|
|
local sha256_digest
|
|
|
|
function sha256_bin(key)
|
|
local _, bin, err
|
|
if not sha256_digest then
|
|
sha256_digest, err = digest.new("sha256")
|
|
if err then
|
|
return nil, err
|
|
end
|
|
end
|
|
|
|
bin, err = sha256_digest:final(key)
|
|
if err then
|
|
sha256_digest = nil
|
|
return nil, err
|
|
end
|
|
|
|
_, err = sha256_digest:reset()
|
|
if err then
|
|
sha256_digest = nil
|
|
end
|
|
|
|
return bin
|
|
end
|
|
end
|
|
_M.sha256_bin = sha256_bin
|
|
|
|
|
|
local sha256_hex, sha256_base64, sha256_base64url
|
|
do
|
|
local to_hex = require "resty.string".to_hex
|
|
local to_base64 = ngx.encode_base64
|
|
local to_base64url = require "ngx.base64".encode_base64url
|
|
|
|
local function sha256_encode(encode_alg, key)
|
|
local bin, err = sha256_bin(key)
|
|
if err then
|
|
return nil, err
|
|
end
|
|
|
|
return encode_alg(bin)
|
|
end
|
|
|
|
function sha256_hex(key)
|
|
return sha256_encode(to_hex, key)
|
|
end
|
|
|
|
function sha256_base64(key)
|
|
return sha256_encode(to_base64, key)
|
|
end
|
|
|
|
function sha256_base64url(key)
|
|
return sha256_encode(to_base64url, key)
|
|
end
|
|
end
|
|
_M.sha256_hex = sha256_hex
|
|
_M.sha256_base64 = sha256_base64
|
|
_M.sha256_base64url = sha256_base64url
|
|
|
|
|
|
return _M
|