feat: parse YAML/JSON/JS config file (#1258)

* Parse JSON/YAML config file.

* fix missing export

* fix: typos

* test(config): remove JSON test

* feat: better config error handling, tests

* fix: detect YAML config file via extension

* docs: https://github.com/verdaccio/website/pull/99

src/lib/utils.js

@@ -13,7 +13,18 @@ import createError from 'http-errors';
 // $FlowFixMe
 import sanitizyReadme from '@verdaccio/readme';
 
-import { HTTP_STATUS, API_ERROR, DEFAULT_PORT, DEFAULT_DOMAIN, DEFAULT_PROTOCOL, CHARACTER_ENCODING, HEADERS, DIST_TAGS, DEFAULT_USER } from './constants';
+import {
+  HTTP_STATUS,
+  API_ERROR,
+  APP_ERROR,
+  DEFAULT_PORT,
+  DEFAULT_DOMAIN,
+  DEFAULT_PROTOCOL,
+  CHARACTER_ENCODING,
+  HEADERS,
+  DIST_TAGS,
+  DEFAULT_USER,
+} from './constants';
 import { generateGravatarUrl, GENERIC_AVATAR } from '../utils/user';
 
 import type { Package } from '@verdaccio/types';
@@ -381,8 +392,20 @@ export const ErrorCode = {
   },
 };
 
-export function parseConfigFile(configPath: string): Object {
-  return YAML.safeLoad(fs.readFileSync(configPath, CHARACTER_ENCODING.UTF8));
+export function parseConfigFile(configPath: string) {
+  try {
+    if (/\.ya?ml$/i.test(configPath)) {
+      return YAML.safeLoad(fs.readFileSync(configPath, CHARACTER_ENCODING.UTF8));
+    } else {
+      return require(configPath);
+    }
+  } catch (e) {
+    if (e.code !== 'MODULE_NOT_FOUND') {
+      e.message = APP_ERROR.CONFIG_NOT_VALID;
+    }
+
+    throw new Error(e);
+  }
 }
 
 /**

test/unit/modules/config/config.spec.js

@@ -5,7 +5,12 @@ import Config from '../../../../src/lib/config';
 import {parseConfigFile}  from '../../../../src/lib/utils';
 import {DEFAULT_REGISTRY, DEFAULT_UPLINK, ROLES, WEB_TITLE} from '../../../../src/lib/constants';
 
-const resolveConf = (conf) =>  path.join(__dirname, `../../../../conf/${conf}.yaml`);
+const resolveConf = (conf) => {
+  const { name, ext } = path.parse(conf);
+
+  return path.join(__dirname, `../../../../conf/${name}${ext.startsWith('.') ? ext : '.yaml'}`);
+};
+
 require('../../../../src/lib/logger').setup([]);
 
 const checkDefaultUplink = (config) => {

test/unit/modules/utils/config-utils.spec.js

@@ -14,8 +14,11 @@ import {PACKAGE_ACCESS, ROLES} from '../../../../src/lib/constants';
 
 describe('Config Utilities', () => {
 
-  const parseConfigurationFile = (name) => {
-    return path.join(__dirname, `../../partials/config/yaml/${name}.yaml`);
+  const parseConfigurationFile = (conf) => {
+    const { name, ext } = path.parse(conf);
+    const format = ext.startsWith('.') ? ext.substring(1) : 'yaml';
+
+    return path.join(__dirname, `../../partials/config/${format}/${name}.${format}`);
   };
 
   describe('uplinkSanityCheck', () => {
@@ -265,4 +268,44 @@ describe('Config Utilities', () => {
       expect(url).toMatch('/-/static/logo.png');
     });
   });
+
+  describe('JSON', () => {
+    test('parse default.json', () => {
+      const config = parseConfigFile(parseConfigurationFile('default.json'));
+
+      expect(config.storage).toBeDefined();
+    });
+
+    test('parse invalid.json', () => {
+      expect(function ( ) {
+        parseConfigFile(parseConfigurationFile('invalid.json'));
+      }).toThrow(/Error/);
+    });
+
+    test('parse not-exists.json', () => {
+      expect(function ( ) {
+        parseConfigFile(parseConfigurationFile('not-exists.json'));
+      }).toThrow(/Error/);
+    });
+  });
+
+  describe('JavaScript', () => {
+    test('parse default.js', () => {
+      const config = parseConfigFile(parseConfigurationFile('default.js'));
+
+      expect(config.storage).toBeDefined();
+    });
+
+    test('parse invalid.js', () => {
+      expect(function ( ) {
+        parseConfigFile(parseConfigurationFile('invalid.js'));
+      }).toThrow(/Error/);
+    });
+
+    test('parse not-exists.js', () => {
+      expect(function ( ) {
+        parseConfigFile(parseConfigurationFile('not-exists.js'));
+      }).toThrow(/Error/);
+    });
+  });
 });

test/unit/partials/config/js/default.js

@@ -0,0 +1,15 @@
+module.exports = { storage: './storage_default_storage',
+  uplinks: { npmjs: { url: 'http://localhost:4873/' } },
+  packages:
+   { '@*/*': { access: '$all', publish: '$all', proxy: 'npmjs' },
+     'forbidden-place': { access: 'nobody', publish: '$all' },
+     react: { access: '$all', publish: '$all', proxy: 'npmjs' },
+     'corrupted-package': { access: '$all', publish: '$all', proxy: 'npmjs' },
+     jquery: { access: '$all', publish: '$all', proxy: 'npmjs' },
+     'auth-package': { access: '$authenticated', publish: '$authenticated' },
+     vue:
+      { access: '$authenticated',
+        publish: '$authenticated',
+        proxy: 'npmjs' },
+     '*': { access: '$all', publish: '$all', proxy: 'npmjs' } },
+  logs: [ { type: 'stdout', format: 'pretty', level: 'warn' } ] };

test/unit/partials/config/js/invalid.js

@@ -0,0 +1 @@
+module.exports = {;

test/unit/partials/config/json/default.json

@@ -0,0 +1,55 @@
+{
+  "storage": "./storage_default_storage",
+  "uplinks": {
+    "npmjs": {
+      "url": "http://localhost:4873/"
+    }
+  },
+  "packages": {
+    "@*/*": {
+      "access": "$all",
+      "publish": "$all",
+      "proxy": "npmjs"
+    },
+    "forbidden-place": {
+      "access": "nobody",
+      "publish": "$all"
+    },
+    "react": {
+      "access": "$all",
+      "publish": "$all",
+      "proxy": "npmjs"
+    },
+    "corrupted-package": {
+      "access": "$all",
+      "publish": "$all",
+      "proxy": "npmjs"
+    },
+    "jquery": {
+      "access": "$all",
+      "publish": "$all",
+      "proxy": "npmjs"
+    },
+    "auth-package": {
+      "access": "$authenticated",
+      "publish": "$authenticated"
+    },
+    "vue": {
+      "access": "$authenticated",
+      "publish": "$authenticated",
+      "proxy": "npmjs"
+    },
+    "*": {
+      "access": "$all",
+      "publish": "$all",
+      "proxy": "npmjs"
+    }
+  },
+  "logs": [
+    {
+      "type": "stdout",
+      "format": "pretty",
+      "level": "warn"
+    }
+  ]
+}

test/unit/partials/config/json/invalid.json

@@ -0,0 +1 @@
+{