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node-red/packages/node_modules/@node-red/registry/lib/localfilesystem.js

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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
const fs = require("fs");
const path = require("path");
const log = require("@node-red/util").log;
const i18n = require("@node-red/util").i18n;
const registryUtil = require("./util");
// Default allow/deny lists
let loadAllowList = ['*'];
let loadDenyList = [];
var settings;
var disableNodePathScan = false;
var iconFileExtensions = [".png", ".gif", ".svg"];
var packageList = {};
function init(_settings) {
settings = _settings;
// TODO: This is duplicated in installer.js
// Should it *all* be managed by util?
if (settings.externalModules && settings.externalModules.palette) {
if (settings.externalModules.palette.allowList || settings.externalModules.palette.denyList) {
loadAllowList = settings.externalModules.palette.allowList;
loadDenyList = settings.externalModules.palette.denyList;
}
}
loadAllowList = registryUtil.parseModuleList(loadAllowList);
loadDenyList = registryUtil.parseModuleList(loadDenyList);
}
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function isIncluded(name) {
if (settings.nodesIncludes) {
for (var i=0;i<settings.nodesIncludes.length;i++) {
if (settings.nodesIncludes[i] == name) {
return true;
}
}
} else {
return true;
}
return false;
}
function isExcluded(name) {
if (settings.nodesExcludes) {
for (var i=0;i<settings.nodesExcludes.length;i++) {
if (settings.nodesExcludes[i] == name) {
return true;
}
}
}
return false;
}
function getLocalFile(file) {
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if (!isIncluded(path.basename(file)) || isExcluded(path.basename(file))) {
return null;
}
try {
fs.statSync(file.replace(/\.js$/,".html"));
return {
file: file,
module: "node-red",
name: path.basename(file).replace(/^\d+-/,"").replace(/\.js$/,""),
version: settings.version
};
} catch(err) {
return null;
}
}
/**
* Synchronously walks the directory looking for node files.
* @param dir the directory to search
* @return an array of fully-qualified paths to .js files
*/
function getLocalNodeFiles(dir) {
dir = path.resolve(dir);
var result = [];
var files = [];
var icons = [];
try {
files = fs.readdirSync(dir);
} catch(err) {
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return {files: [], icons: []};
}
files.sort();
files.forEach(function(fn) {
var stats = fs.statSync(path.join(dir,fn));
if (stats.isFile()) {
if (/\.js$/.test(fn)) {
var info = getLocalFile(path.join(dir,fn));
if (info) {
result.push(info);
}
}
} else if (stats.isDirectory()) {
// Ignore /.dirs/, /lib/ /node_modules/
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if (!/^(\..*|lib|icons|node_modules|test|locales)$/.test(fn)) {
var subDirResults = getLocalNodeFiles(path.join(dir,fn));
result = result.concat(subDirResults.files);
icons = icons.concat(subDirResults.icons);
} else if (fn === "icons") {
var iconList = scanIconDir(path.join(dir,fn));
icons.push({path:path.join(dir,fn),icons:iconList});
}
}
});
return {files: result, icons: icons}
}
function scanDirForNodesModules(dir,moduleName) {
var results = [];
var scopeName;
try {
var files = fs.readdirSync(dir);
if (moduleName) {
var m = /^(?:(@[^/]+)[/])?([^@/]+)/.exec(moduleName);
if (m) {
scopeName = m[1];
moduleName = m[2];
}
}
for (var i=0;i<files.length;i++) {
var fn = files[i];
if (/^@/.test(fn)) {
if (scopeName && scopeName === fn) {
// Looking for a specific scope/module
results = results.concat(scanDirForNodesModules(path.join(dir,fn),moduleName));
break;
} else {
results = results.concat(scanDirForNodesModules(path.join(dir,fn),moduleName));
}
} else {
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if (isIncluded(fn) && !isExcluded(fn) && (!moduleName || fn == moduleName)) {
var pkgfn = path.join(dir,fn,"package.json");
try {
var pkg = require(pkgfn);
if (pkg['node-red']) {
if (!registryUtil.checkModuleAllowed(pkg.name,pkg.version,loadAllowList,loadDenyList)) {
log.debug("! Module: "+pkg.name+" "+pkg.version+ " *ignored due to denyList*");
} else {
var moduleDir = path.join(dir,fn);
results.push({dir:moduleDir,package:pkg});
}
}
} catch(err) {
if (err.code != "MODULE_NOT_FOUND") {
// TODO: handle unexpected error
}
}
if (fn == moduleName) {
break;
}
}
}
}
} catch(err) {
}
return results;
}
/**
* Scans the node_modules path for nodes
* @param moduleName the name of the module to be found
* @return a list of node modules: {dir,package}
*/
function scanTreeForNodesModules(moduleName) {
var dir = settings.coreNodesDir;
var results = [];
var userDir;
if (settings.userDir) {
packageList = getPackageList();
userDir = path.join(settings.userDir,"node_modules");
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results = scanDirForNodesModules(userDir,moduleName);
results.forEach(function(r) {
// If it was found in <userDir>/node_modules then it is considered
// a local module.
// Also check to see if it is listed in the package.json file as a user-installed
// module. This distinguishes modules installed as a dependency
r.local = true;
r.user = !!packageList[r.package.name];
});
}
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if (dir) {
var up = path.resolve(path.join(dir,".."));
while (up !== dir) {
var pm = path.join(dir,"node_modules");
if (pm != userDir) {
results = results.concat(scanDirForNodesModules(pm,moduleName));
}
dir = up;
up = path.resolve(path.join(dir,".."));
}
}
return results;
}
function getModuleNodeFiles(module) {
var moduleDir = module.dir;
var pkg = module.package;
var nodes = pkg['node-red'].nodes||{};
var results = [];
var iconDirs = [];
var iconList = [];
for (var n in nodes) {
/* istanbul ignore else */
if (nodes.hasOwnProperty(n)) {
var file = path.join(moduleDir,nodes[n]);
results.push({
file: file,
module: pkg.name,
name: n,
version: pkg.version
});
var iconDir = path.join(moduleDir,path.dirname(nodes[n]),"icons");
if (iconDirs.indexOf(iconDir) == -1) {
try {
fs.statSync(iconDir);
var icons = scanIconDir(iconDir);
iconList.push({path:iconDir,icons:icons});
iconDirs.push(iconDir);
} catch(err) {
}
}
}
}
var result = {files:results,icons:iconList};
var examplesDir = path.join(moduleDir,"examples");
try {
fs.statSync(examplesDir)
result.examples = {path:examplesDir};
} catch(err) {
}
return result;
}
function getNodeFiles(disableNodePathScan) {
var dir;
// Find all of the nodes to load
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var nodeFiles = [];
var results;
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var dir;
var iconList = [];
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if (settings.coreNodesDir) {
results = getLocalNodeFiles(path.resolve(settings.coreNodesDir));
nodeFiles = nodeFiles.concat(results.files);
iconList = iconList.concat(results.icons);
var defaultLocalesPath = path.join(settings.coreNodesDir,"locales");
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i18n.registerMessageCatalog("node-red",defaultLocalesPath,"messages.json");
}
if (settings.userDir) {
dir = path.join(settings.userDir,"lib","icons");
var icons = scanIconDir(dir);
if (icons.length > 0) {
iconList.push({path:dir,icons:icons});
}
dir = path.join(settings.userDir,"nodes");
results = getLocalNodeFiles(path.resolve(dir));
nodeFiles = nodeFiles.concat(results.files);
iconList = iconList.concat(results.icons);
}
if (settings.nodesDir) {
dir = settings.nodesDir;
if (typeof settings.nodesDir == "string") {
dir = [dir];
}
for (var i=0;i<dir.length;i++) {
results = getLocalNodeFiles(dir[i]);
nodeFiles = nodeFiles.concat(results.files);
iconList = iconList.concat(results.icons);
}
}
var nodeList = {};
var coreNodeEntry = {
name: "node-red",
version: settings.version,
nodes: {},
icons: iconList
}
nodeFiles.forEach(function(node) {
coreNodeEntry.nodes[node.name] = node;
});
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if (settings.coreNodesDir) {
var examplesDir = path.join(settings.coreNodesDir,"examples");
coreNodeEntry.examples = {path: examplesDir};
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}
if (!disableNodePathScan) {
var moduleFiles = scanTreeForNodesModules();
// Filter the module list to ignore global modules
// that have also been installed locally - allowing the user to
// update a module they may not otherwise be able to touch
moduleFiles.sort(function(A,B) {
if (A.local && !B.local) {
return -1
} else if (!A.local && B.local) {
return 1
}
return 0;
})
var knownModules = {};
moduleFiles = moduleFiles.filter(function(mod) {
var result;
if (!knownModules[mod.package.name]) {
knownModules[mod.package.name] = mod;
result = true;
} else {
result = false;
}
log.debug((result?"":"! ")+"Module: "+mod.package.name+" "+mod.package.version+" "+mod.dir+(result?"":" *ignored due to local copy*"));
return result;
});
// Do a second pass to check we have all the declared node dependencies
// As this is only done as part of the initial palette load, `knownModules` will
// contain a list of everything discovered during this phase. This means
// we can check for missing dependencies here.
moduleFiles = moduleFiles.filter(function(mod) {
if (Array.isArray(mod.package["node-red"].dependencies)) {
const deps = mod.package["node-red"].dependencies;
const missingDeps = mod.package["node-red"].dependencies.filter(dep => {
if (knownModules[dep]) {
knownModules[dep].usedBy = knownModules[dep].usedBy || [];
knownModules[dep].usedBy.push(mod.package.name)
} else {
return true;
}
})
if (missingDeps.length > 0) {
log.error(`Module: ${mod.package.name} missing dependencies:`);
missingDeps.forEach(m => { log.error(` - ${m}`)});
return false;
}
}
return true;
});
nodeList = convertModuleFileListToObject(moduleFiles);
} else {
// console.log("node path scan disabled");
}
nodeList["node-red"] = coreNodeEntry;
return nodeList;
}
function getModuleFiles(module) {
// Update the package list
var moduleFiles = scanTreeForNodesModules(module);
if (moduleFiles.length === 0) {
var err = new Error(log._("nodes.registry.localfilesystem.module-not-found", {module:module}));
err.code = 'MODULE_NOT_FOUND';
throw err;
}
// Unlike when doing the initial palette load, this call cannot verify the
// dependencies of the new module as it doesn't have visiblity of what
// is in the registry. That will have to be done be the caller in loader.js
return convertModuleFileListToObject(moduleFiles);
}
function convertModuleFileListToObject(moduleFiles) {
const nodeList = {};
moduleFiles.forEach(function(moduleFile) {
var nodeModuleFiles = getModuleNodeFiles(moduleFile);
nodeList[moduleFile.package.name] = {
name: moduleFile.package.name,
version: moduleFile.package.version,
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path: moduleFile.dir,
local: moduleFile.local||false,
user: moduleFile.user||false,
nodes: {},
icons: nodeModuleFiles.icons,
examples: nodeModuleFiles.examples
};
if (moduleFile.package['node-red'].version) {
nodeList[moduleFile.package.name].redVersion = moduleFile.package['node-red'].version;
}
if (moduleFile.package['node-red'].dependencies) {
nodeList[moduleFile.package.name].dependencies = moduleFile.package['node-red'].dependencies;
}
if (moduleFile.usedBy) {
nodeList[moduleFile.package.name].usedBy = moduleFile.usedBy;
}
nodeModuleFiles.files.forEach(function(node) {
node.local = moduleFile.local||false;
nodeList[moduleFile.package.name].nodes[node.name] = node;
nodeList[moduleFile.package.name].nodes[node.name].local = moduleFile.local || false;
});
});
return nodeList;
}
// If this finds an svg and a png with the same name, it will only list the svg
function scanIconDir(dir) {
var iconList = [];
var svgs = {};
try {
var files = fs.readdirSync(dir);
files.forEach(function(file) {
var stats = fs.statSync(path.join(dir, file));
var ext = path.extname(file).toLowerCase();
if (stats.isFile() && iconFileExtensions.indexOf(ext) !== -1) {
iconList.push(file);
if (ext === ".svg") {
svgs[file.substring(0,file.length-4)] = true;
}
}
});
} catch(err) {
}
iconList = iconList.filter(f => {
return /.svg$/i.test(f) || !svgs[f.substring(0,f.length-4)]
})
return iconList;
}
/**
* Gets the list of modules installed in this runtime as reported by package.json
* Note: these may include non-Node-RED modules
*/
function getPackageList() {
var list = {};
if (settings.userDir) {
try {
var userPackage = path.join(settings.userDir,"package.json");
var pkg = JSON.parse(fs.readFileSync(userPackage,"utf-8"));
return pkg.dependencies;
} catch(err) {
log.error(err);
}
}
return list;
}
module.exports = {
init: init,
getNodeFiles: getNodeFiles,
getLocalFile: getLocalFile,
getModuleFiles: getModuleFiles
}