mirror of https://github.com/node-red/node-red.git
150 lines
5.2 KiB
JavaScript
150 lines
5.2 KiB
JavaScript
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/**
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* Copyright 2015 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 path = require("path");
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var fs = require("fs");
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var registry = require("./registry");
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var log = require("../../log");
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var events = require("../../events");
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var child_process = require('child_process');
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var settings;
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function init(_settings) {
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settings = _settings;
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}
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function installModule(module) {
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//TODO: ensure module is 'safe'
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return when.promise(function(resolve,reject) {
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if (/[\s;]/.test(module)) {
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reject(new Error(log._("server.install.invalid")));
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return;
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}
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if (registry.getModuleInfo(module)) {
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// TODO: nls
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var err = new Error("Module already loaded");
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err.code = "module_already_loaded";
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reject(err);
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return;
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}
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log.info(log._("server.install.installing",{name: module}));
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var installDir = settings.userDir || process.env.NODE_RED_HOME || ".";
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var child = child_process.execFile('npm',['install','--production',module],
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{
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cwd: installDir
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},
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function(err, stdin, stdout) {
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if (err) {
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var lookFor404 = new RegExp(" 404 .*"+module+"$","m");
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if (lookFor404.test(stdout)) {
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log.warn(log._("server.install.install-failed-not-found",{name:module}));
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var e = new Error();
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e.code = 404;
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reject(e);
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} else {
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log.warn(log._("server.install.install-failed-long",{name:module}));
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log.warn("------------------------------------------");
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log.warn(err.toString());
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log.warn("------------------------------------------");
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reject(new Error(log._("server.install.install-failed")));
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}
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} else {
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log.info(log._("server.install.installed",{name:module}));
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resolve(require("./index").addModule(module).then(reportAddedModules));
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}
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}
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);
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});
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}
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function reportAddedModules(info) {
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//comms.publish("node/added",info.nodes,false);
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if (info.nodes.length > 0) {
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log.info(log._("server.added-types"));
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for (var i=0;i<info.nodes.length;i++) {
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for (var j=0;j<info.nodes[i].types.length;j++) {
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log.info(" - "+
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(info.nodes[i].module?info.nodes[i].module+":":"")+
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info.nodes[i].types[j]+
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(info.nodes[i].err?" : "+info.nodes[i].err:"")
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);
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}
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}
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}
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return info;
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}
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function reportRemovedModules(removedNodes) {
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//comms.publish("node/removed",removedNodes,false);
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log.info(log._("server.removed-types"));
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for (var j=0;j<removedNodes.length;j++) {
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for (var i=0;i<removedNodes[j].types.length;i++) {
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log.info(" - "+(removedNodes[j].module?removedNodes[j].module+":":"")+removedNodes[j].types[i]);
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}
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}
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return removedNodes;
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}
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function uninstallModule(module) {
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return when.promise(function(resolve,reject) {
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if (/[\s;]/.test(module)) {
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reject(new Error(log._("server.install.invalid")));
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return;
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}
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var installDir = settings.userDir || process.env.NODE_RED_HOME || ".";
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var moduleDir = path.join(installDir,"node_modules",module);
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if (!fs.existsSync(moduleDir)) {
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return reject(new Error(log._("server.install.uninstall-failed",{name:module})));
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}
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var list = registry.removeModule(module);
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log.info(log._("server.install.uninstalling",{name:module}));
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var child = child_process.execFile('npm',['remove',module],
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{
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cwd: installDir
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},
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function(err, stdin, stdout) {
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if (err) {
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log.warn(log._("server.install.uninstall-failed-long",{name:module}));
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log.warn("------------------------------------------");
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log.warn(err.toString());
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log.warn("------------------------------------------");
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reject(new Error(log._("server.install.uninstall-failed",{name:module})));
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} else {
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log.info(log._("server.install.uninstalled",{name:module}));
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reportRemovedModules(list);
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resolve(list);
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}
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}
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);
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});
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}
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module.exports = {
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init: init,
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installModule: installModule,
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uninstallModule: uninstallModule
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}
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