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arangodb/js/common/modules/@arangodb/foxx/manager-utils.js

340 lines
11 KiB
JavaScript

'use strict';
// //////////////////////////////////////////////////////////////////////////////
// / @brief ArangoDB Application Launcher Utilities
// /
// / @file
// /
// / DISCLAIMER
// /
// / Copyright 2013 triAGENS GmbH, Cologne, Germany
// /
// / 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.
// /
// / Copyright holder is triAGENS GmbH, Cologne, Germany
// /
// / @author Jan Steemann
// / @author Dr. Frank Celler
// / @author Michael Hackstein
// / @author Copyright 2014, triAGENS GmbH, Cologne, Germany
// //////////////////////////////////////////////////////////////////////////////
var joi = require('joi');
var fs = require('fs');
var _ = require('lodash');
var arangodb = require('@arangodb');
var db = arangodb.db;
var internal = require('internal');
var throwFileNotFound = arangodb.throwFileNotFound;
var errors = arangodb.errors;
var ArangoError = arangodb.ArangoError;
var mountRegEx = /^(\/[a-zA-Z0-9_\-%]+)+$/;
var mountAppRegEx = /\/APP(\/|$)/i;
var mountNumberRegEx = /^\/[\d\-%]/;
var pathRegex = /^((\.{0,2}(\/|\\))|(~\/)|[a-zA-Z]:\\)/;
const DEFAULT_REPLICATION_FACTOR_SYSTEM = internal.DEFAULT_REPLICATION_FACTOR_SYSTEM;
function getReadableName (name) {
return name.charAt(0).toUpperCase() + name.substr(1)
.replace(/([-_]|\s)+/g, ' ')
.replace(/([a-z])([A-Z])/g, (m) => `${m[0]} ${m[1]}`)
.replace(/([A-Z])([A-Z][a-z])/g, (m) => `${m[0]} ${m[1]}`)
.replace(/\s([a-z])/g, (m) => ` ${m[0].toUpperCase()}`);
}
var getStorage = function () {
var c = db._collection('_apps');
if (c === null) {
c = db._create('_apps', {isSystem: true, replicationFactor: DEFAULT_REPLICATION_FACTOR_SYSTEM,
distributeShardsLike: '_graphs', journalSize: 4 * 1024 * 1024});
c.ensureIndex({ type: 'hash', fields: [ 'mount' ], unique: true });
}
return c;
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief comparator for mount points
// //////////////////////////////////////////////////////////////////////////////
var compareMounts = function (l, r) {
var left = l.mount.toLowerCase();
var right = r.mount.toLowerCase();
if (left < right) {
return -1;
}
return 1;
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief builds a github repository URL
// //////////////////////////////////////////////////////////////////////////////
function buildGithubUrl (repository, version) {
if (version === undefined) {
version = 'master';
}
var urlPrefix = require('process').env.FOXX_BASE_URL;
if (urlPrefix === undefined) {
urlPrefix = 'https://github.com/';
}
return urlPrefix + repository + '/archive/' + version + '.zip';
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief returns all running Foxx applications
// //////////////////////////////////////////////////////////////////////////////
function listJson (showPrefix, onlyDevelopment) {
var mounts = getStorage();
var cursor;
if (onlyDevelopment) {
cursor = mounts.byExample({isDevelopment: true});
} else {
cursor = mounts.all();
}
return cursor.toArray().map(function (doc) {
return {
mountId: doc._key,
mount: doc.mount,
name: doc.manifest.name,
description: doc.manifest.description,
author: doc.manifest.author,
system: doc.isSystem || false,
development: doc.isDevelopment || false,
contributors: doc.manifest.contributors || false,
license: doc.manifest.license,
version: doc.manifest.version,
path: fs.join(fs.makeAbsolute(doc.root || internal.appPath), doc.path),
config: getConfiguration(doc.manifest.configuration, doc.options.configuration),
deps: getDependencies(doc.manifest.dependencies, doc.options.dependencies),
scripts: getScripts(doc.manifest.scripts),
collectionPrefix: showPrefix ? doc.options.collectionPrefix : undefined
};
});
}
function getScripts (scripts) {
var names = {};
_.each(scripts, function (script, name) {
names[name] = getReadableName(name);
});
return names;
}
function getConfiguration (definitions, options) {
var cfg = {};
_.each(definitions, function (definition, name) {
cfg[name] = _.clone(definition);
cfg[name].title = getReadableName(name);
cfg[name].current = options[name];
});
return cfg;
}
function getDependencies (definitions, options) {
var deps = {};
_.each(definitions, function (definition, name) {
deps[name] = {
definition: definition,
title: getReadableName(name),
current: options[name]
};
});
return deps;
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief prints all running Foxx applications
// //////////////////////////////////////////////////////////////////////////////
function list (onlyDevelopment) {
var apps = listJson(undefined, onlyDevelopment);
arangodb.printTable(
apps.sort(compareMounts),
[ 'mount', 'name', 'author', 'description', 'version', 'development' ],
{
prettyStrings: true,
totalString: '%s application(s) found',
emptyString: 'no applications found',
rename: {
'mount': 'Mount',
'name': 'Name',
'author': 'Author',
'description': 'Description',
'version': 'Version',
'development': 'Development'
}
}
);
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief returns all running Foxx applications in development mode
// //////////////////////////////////////////////////////////////////////////////
function listDevelopmentJson (showPrefix) {
return listJson(showPrefix, true);
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief prints all running Foxx applications
// //////////////////////////////////////////////////////////////////////////////
function listDevelopment () {
return list(true);
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief validate the mount point of an app
// //////////////////////////////////////////////////////////////////////////////
function validateMount (mount, internal) {
if (mount[0] !== '/') {
throw new ArangoError({
errorNum: errors.ERROR_INVALID_MOUNTPOINT.code,
errorMessage: 'Mountpoint has to start with /.'
});
}
if (!mountRegEx.test(mount)) {
// Controller routes may be /. Foxxes are not allowed to
if (!internal || mount.length !== 1) {
throw new ArangoError({
errorNum: errors.ERROR_INVALID_MOUNTPOINT.code,
errorMessage: 'Mountpoint can only contain a-z, A-Z, 0-9 or _.'
});
}
}
if (!internal) {
// routes starting with _ are disallowed...
// ...except they start with _open. the _open prefix provides a non-authenticated
// way to access routes
if (mount[1] === '_' && !/^\/_open\//.test(mount)) {
throw new ArangoError({
errorNum: errors.ERROR_INVALID_MOUNTPOINT.code,
errorMessage: '/_ apps are reserved for internal use.'
});
}
if (mountNumberRegEx.test(mount)) {
throw new ArangoError({
errorNum: errors.ERROR_INVALID_MOUNTPOINT.code,
errorMessage: 'Mointpoints are not allowed to start with a number, - or %.'
});
}
if (mountAppRegEx.test(mount)) {
throw new ArangoError({
errorNum: errors.ERROR_INVALID_MOUNTPOINT.code,
errorMessage: 'Mountpoint is not allowed to contain /app/.'
});
}
}
return true;
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief validate an app name and fail if it is invalid
// //////////////////////////////////////////////////////////////////////////////
function validateServiceName (name) {
if (typeof name === 'string' && name.length > 0) {
return;
}
throw new ArangoError({
errorNum: errors.ERROR_SERVICE_INVALID_NAME.code,
errorMessage: errors.ERROR_SERVICE_INVALID_NAME.message
});
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief get the app mounted at this mount point
// //////////////////////////////////////////////////////////////////////////////
function mountedService (mount) {
return getStorage().firstExample({mount: mount});
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief Update the app mounted at this mountpoint with the new app
// //////////////////////////////////////////////////////////////////////////////
function updateService (mount, update) {
return getStorage().replaceByExample({mount: mount}, update);
}
// //////////////////////////////////////////////////////////////////////////////
// / @brief define validators for parameter types
// //////////////////////////////////////////////////////////////////////////////
var parameterTypes = {
integer: joi.number().integer(),
boolean: joi.boolean(),
string: joi.string(),
number: joi.number(),
json: function (v) {return v && JSON.parse(v);}
};
parameterTypes.password = parameterTypes.string;
parameterTypes.int = parameterTypes.integer;
parameterTypes.bool = parameterTypes.boolean;
// //////////////////////////////////////////////////////////////////////////////
// / @brief creates a zip archive of a foxx app. Returns the absolute path
// //////////////////////////////////////////////////////////////////////////////
var zipDirectory = function (directory) {
if (!fs.isDirectory(directory)) {
throw directory + ' is not a directory.';
}
var tempFile = fs.getTempFile('zip', false);
var tree = fs.listTree(directory);
var files = [];
var i;
var filename;
for (i = 0; i < tree.length; ++i) {
filename = fs.join(directory, tree[i]);
if (fs.isFile(filename)) {
files.push(tree[i]);
}
}
if (files.length === 0) {
throwFileNotFound("Directory '" + String(directory) + "' is empty");
}
fs.zipFile(tempFile, directory, files);
return tempFile;
};
// //////////////////////////////////////////////////////////////////////////////
// / @brief Exports
// //////////////////////////////////////////////////////////////////////////////
exports.mountedService = mountedService;
exports.updateService = updateService;
exports.getReadableName = getReadableName;
exports.list = list;
exports.listJson = listJson;
exports.listDevelopment = listDevelopment;
exports.listDevelopmentJson = listDevelopmentJson;
exports.buildGithubUrl = buildGithubUrl;
exports.validateServiceName = validateServiceName;
exports.validateMount = validateMount;
exports.parameterTypes = parameterTypes;
exports.zipDirectory = zipDirectory;
exports.getStorage = getStorage;
exports.pathRegex = pathRegex;