mirror of https://gitee.com/bigwinds/arangodb
68 lines
2.0 KiB
JavaScript
68 lines
2.0 KiB
JavaScript
'use strict';
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////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2015-2016 ArangoDB GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Alan Plum
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////////////////////////////////////////////////////////////////////////////////
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const assert = require('assert');
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const crypto = require('@arangodb/crypto');
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module.exports = function jwtStorage(cfg) {
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if (typeof cfg === 'string') {
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cfg = {secret: cfg};
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}
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if (!cfg) {
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cfg = {};
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}
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assert(cfg.algorithm === 'none' || cfg.secret, `Must pass a JWT secret for "${cfg.algorithm}" algorithm`);
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assert(cfg.algorithm !== 'none' || !cfg.secret, 'Must NOT pass a JWT secret for "none" algorithm');
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const ttl = (cfg.ttl || 60 * 60) * 1000;
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return {
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fromClient(sid) {
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const token = crypto.jwtDecode(cfg.secret, sid, cfg.verify === false);
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if (token.exp < Date.now()) {
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return null;
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}
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return {
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uid: token.uid,
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created: token.iat,
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data: token.payload
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};
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},
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forClient(session) {
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const token = {
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uid: session.uid,
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iat: session.created,
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payload: session.data,
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exp: Date.now() + ttl
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};
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return crypto.jwtEncode(cfg.secret, token, cfg.algorithm);
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},
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new() {
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return {
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uid: null,
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created: Date.now(),
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data: null
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};
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}
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};
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};
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