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config.js
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config.js
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'use strict';
const assert = require('assert');
const os = require('os');
const rc = require('rc');
const fs = require('fs');
const path = require('path');
const merge = require('merge');
const ENV = process.env;
const PLATFORM = os.platform();
const DIRNAME = '.storj-bridge';
const HOME = PLATFORM === 'win32' ? ENV.USERPROFILE : ENV.HOME;
const STORJ_BRIDGE_PATH = ENV.STORJ_BRIDGE_DIR || HOME;
const DATADIR = path.join(STORJ_BRIDGE_PATH, DIRNAME);
const CONSTANTS = require('./constants');
const utils = require('./utils');
const DEFAULTS = {
storage: {
mongoUrl: `mongodb://127.0.0.1:27017/__storj-bridge-${process.env.NODE_ENV || 'develop'}`,
mongoOpts: {}
},
server: {
host: '127.0.0.1',
port: 6382,
timeout: 240000,
ssl: {
cert: null,
key: null,
ca: [],
redirect: 80
},
public: {
host: '127.0.0.1',
port: 80
}
},
complex: {
rpcUrl: 'http://localhost:8080',
rpcUser: 'user',
rpcPassword: 'pass'
},
logger: {
level: CONSTANTS.LOG_LEVEL_INFO
},
mailer: {
host: '127.0.0.1',
port: 465,
secure: true,
auth: {
user: 'username',
pass: 'password'
},
from: 'robot@storj.io'
},
application: {
farmerTimeoutIgnore: '10m',
freeTier: {
up: {
hourlyBytes: 3000000000,
dailyBytes: 10000000000,
monthlyBytes: 60000000000
},
down: {
hourlyBytes: 9000000000,
dailyBytes: 30000000000,
monthlyBytes: 180000000000
}
},
tierOne: {
up: {
hourlyBytes: 9000000000,
dailyBytes: 30000000000,
monthlyBytes: 180000000000
},
down: {
hourlyBytes: 27000000000,
dailyBytes: 90000000000,
monthlyBytes: 540000000000
}
}
}
};
function getPaths(env, confpath, datadir) {
var paths = {};
if (datadir) {
assert(path.isAbsolute(datadir), 'datadir is expected to be absolute');
paths.datadir = datadir;
} else {
paths.datadir = DATADIR;
}
if (confpath) {
assert(path.isAbsolute(confpath), 'confpath is expected to be absolute');
paths.confdir = path.dirname(confpath);
paths.confpath = confpath;
} else {
paths.confdir = path.join(paths.datadir, 'config');
assert(env, 'env is expected without config path');
paths.confpath = path.join(paths.confdir, env);
}
return paths;
}
function setupConfig(paths) {
if (!fs.existsSync(paths.confdir)) {
fs.mkdirSync(paths.confdir);
}
if (!fs.existsSync(paths.confpath)) {
fs.writeFileSync(paths.confpath, JSON.stringify(DEFAULTS, null, 2));
}
}
function setupDataDirectory(paths) {
if (!fs.existsSync(paths.datadir)) {
fs.mkdirSync(paths.datadir);
}
var itemdir = path.join(paths.datadir, 'items');
if (!fs.existsSync(itemdir)) {
fs.mkdirSync(itemdir);
}
}
/**
* Represents a configuration
* @constructor
* @param {String|Object} arg
*/
function Config(env, confpath, datadir) {
if (!(this instanceof Config)) {
return new Config(env, confpath, datadir);
}
let config;
if (typeof env === 'string') {
var paths = Config.getPaths(env, confpath, datadir);
Config.setupDataDirectory(paths);
Config.setupConfig(paths);
config = merge.recursive(
JSON.parse(JSON.stringify(DEFAULTS)),
JSON.parse(fs.readFileSync(paths.confpath))
);
} else {
config = merge.recursive(
JSON.parse(JSON.stringify(DEFAULTS)),
env
);
}
config = rc('storjbridge', config);
for (let prop in config) {
this[prop] = utils.recursiveExpandJSON(config[prop]);
}
}
Config.DEFAULTS = DEFAULTS;
Config.setupDataDirectory = setupDataDirectory;
Config.setupConfig = setupConfig;
Config.getPaths = getPaths;
module.exports = Config;