mirror of https://github.com/node-red/node-red.git
91 lines
2.9 KiB
JavaScript
91 lines
2.9 KiB
JavaScript
/**
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* Copyright 2013 IBM Corp.
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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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var when = require('when');
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var storageModule;
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function moduleSelector(aSettings) {
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var toReturn;
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if (aSettings.storageModule) {
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if (typeof aSettings.storageModule === "string") {
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// TODO: allow storage modules to be specified by absolute path
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toReturn = require("./"+aSettings.storageModule);
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} else {
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toReturn = aSettings.storageModule;
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}
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} else {
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toReturn = require("./localfilesystem");
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}
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return toReturn;
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}
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function is_malicious(path) {
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return path.indexOf('../') != -1 || path.indexOf('..\\') != -1;
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}
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var storageModuleInterface = {
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init : function(settings) {
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try {
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storageModule = moduleSelector(settings);
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} catch (e) {
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return when.reject(e);
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}
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return storageModule.init(settings);
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},
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getFlows : function() {
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return storageModule.getFlows();
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},
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saveFlows : function(flows) {
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return storageModule.saveFlows(flows);
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},
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getCredentials : function() {
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return storageModule.getCredentials();
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},
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saveCredentials : function(credentials) {
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return storageModule.saveCredentials(credentials);
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},
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getAllFlows : function() {
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return storageModule.getAllFlows();
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},
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getFlow : function(fn) {
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if (is_malicious(fn)) {
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return when.reject(new Error('forbidden flow name'));
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}
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return storageModule.getFlow(fn);
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},
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saveFlow : function(fn, data) {
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if (is_malicious(fn)) {
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return when.reject(new Error('forbidden flow name'));
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}
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return storageModule.saveFlow(fn, data);
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},
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getLibraryEntry : function(type, path) {
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if (is_malicious(path)) {
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return when.reject(new Error('forbidden flow name'));
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}
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return storageModule.getLibraryEntry(type, path);
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},
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saveLibraryEntry : function(type, path, meta, body) {
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if (is_malicious(path)) {
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return when.reject(new Error('forbidden flow name'));
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}
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return storageModule.saveLibraryEntry(type, path, meta, body);
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}
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}
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module.exports = storageModuleInterface;
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