mirror of https://github.com/node-red/node-red.git
104 lines
3.3 KiB
JavaScript
104 lines
3.3 KiB
JavaScript
/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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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 fs = require('fs');
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var fspath = require('path');
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var runtime;
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var knownTypes = {};
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var storage;
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function init(_runtime) {
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runtime = _runtime;
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storage = runtime.storage;
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knownTypes = {};
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}
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function registerType(id,type) {
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// TODO: would like to enforce this, but currently the tests register the same type multiple
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// times and have no way to remove themselves.
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// if (knownTypes.hasOwnProperty(type)) {
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// throw new Error(`Library type '${type}' already registered by ${id}'`)
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// }
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knownTypes[type] = id;
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}
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// function getAllEntries(type) {
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// if (!knownTypes.hasOwnProperty(type)) {
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// throw new Error(`Unknown library type '${type}'`);
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// }
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// }
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function getEntry(type,path) {
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if (type !== 'flows') {
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if (!knownTypes.hasOwnProperty(type)) {
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throw new Error(`Unknown library type '${type}'`);
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}
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return storage.getLibraryEntry(type,path);
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} else {
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return new Promise(function(resolve,reject) {
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if (path.indexOf("_examples_/") === 0) {
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var m = /^_examples_\/(@.*?\/[^\/]+|[^\/]+)\/(.*)$/.exec(path);
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if (m) {
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var module = m[1];
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var entryPath = m[2];
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var fullPath = runtime.nodes.getNodeExampleFlowPath(module,entryPath);
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if (fullPath) {
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try {
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fs.readFile(fullPath,'utf8',function(err, data) {
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runtime.log.audit({event: "library.get",type:"flow",path:path});
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if (err) {
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return reject(err);
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}
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return resolve(data);
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})
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} catch(err) {
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return reject(err);
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}
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return;
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}
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}
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// IF we get here, we didn't find the file
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var error = new Error("not_found");
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error.code = "not_found";
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return reject(error);
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} else {
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resolve(storage.getFlow(path));
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}
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});
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}
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}
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function saveEntry(type,path,meta,body) {
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if (type !== 'flows') {
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if (!knownTypes.hasOwnProperty(type)) {
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throw new Error(`Unknown library type '${type}'`);
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}
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return storage.saveLibraryEntry(type,path,meta,body);
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} else {
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return storage.saveFlow(path,body);
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}
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}
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module.exports = {
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init: init,
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register: registerType,
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// getAllEntries: getAllEntries,
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getEntry: getEntry,
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saveEntry: saveEntry
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}
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