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/*jshint esversion: 6 */
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const BatchRead = require("../batch-read");
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const nThen = require("nthen");
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const getFolderSize = require("get-folder-size");
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var Fs = require("fs");
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var Admin = module.exports;
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var getActiveSessions = function (Env, ctx, cb) {
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var total = ctx.users ? Object.keys(ctx.users).length : '?';
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var ips = [];
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Object.keys(ctx.users).forEach(function (u) {
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var user = ctx.users[u];
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var socket = user.socket;
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var req = socket.upgradeReq;
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var conn = req && req.connection;
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var ip = (req && req.headers && req.headers['x-forwarded-for']) || (conn && conn.remoteAddress);
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if (ip && ips.indexOf(ip) === -1) {
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ips.push(ip);
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}
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});
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cb (void 0, [total, ips.length]);
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};
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var shutdown = function (Env, ctx, cb) {
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return void cb('E_NOT_IMPLEMENTED');
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//clearInterval(Env.sessionExpirationInterval);
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// XXX set a flag to prevent incoming database writes
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// XXX disconnect all users and reject new connections
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// XXX wait until all pending writes are complete
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// then process.exit(0);
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// and allow system functionality to restart the server
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};
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const batchRegisteredUsers = BatchRead("GET_REGISTERED_USERS");
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var getRegisteredUsers = function (Env, cb) {
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batchRegisteredUsers('', cb, function (done) {
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var dir = Env.paths.pin;
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var folders;
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var users = 0;
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nThen(function (waitFor) {
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Fs.readdir(dir, waitFor(function (err, list) {
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if (err) {
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waitFor.abort();
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return void done(err);
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}
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folders = list;
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}));
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}).nThen(function (waitFor) {
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folders.forEach(function (f) {
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var dir = Env.paths.pin + '/' + f;
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Fs.readdir(dir, waitFor(function (err, list) {
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if (err) { return; }
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users += list.length;
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}));
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});
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}).nThen(function () {
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done(void 0, users);
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});
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});
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};
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const batchDiskUsage = BatchRead("GET_DISK_USAGE");
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var getDiskUsage = function (Env, cb) {
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batchDiskUsage('', cb, function (done) {
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var data = {};
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nThen(function (waitFor) {
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getFolderSize('./', waitFor(function(err, info) {
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data.total = info;
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}));
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getFolderSize(Env.paths.pin, waitFor(function(err, info) {
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data.pin = info;
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}));
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getFolderSize(Env.paths.blob, waitFor(function(err, info) {
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data.blob = info;
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}));
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getFolderSize(Env.paths.staging, waitFor(function(err, info) {
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data.blobstage = info;
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}));
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getFolderSize(Env.paths.block, waitFor(function(err, info) {
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data.block = info;
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}));
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getFolderSize(Env.paths.data, waitFor(function(err, info) {
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data.datastore = info;
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}));
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}).nThen(function () {
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done(void 0, data);
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});
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});
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};
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Admin.command = function (Env, ctx, publicKey, config, data, cb) {
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var admins = Env.admins;
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if (admins.indexOf(publicKey) === -1) {
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return void cb("FORBIDDEN");
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}
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// Handle commands here
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switch (data[0]) {
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case 'ACTIVE_SESSIONS':
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return getActiveSessions(Env, ctx, cb);
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case 'ACTIVE_PADS':
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return cb(void 0, ctx.channels ? Object.keys(ctx.channels).length : '?');
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case 'REGISTERED_USERS':
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return getRegisteredUsers(Env, cb);
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case 'DISK_USAGE':
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return getDiskUsage(Env, cb);
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case 'FLUSH_CACHE':
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config.flushCache();
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return cb(void 0, true);
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case 'SHUTDOWN':
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return shutdown(Env, ctx, cb);
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default:
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return cb('UNHANDLED_ADMIN_COMMAND');
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}
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};
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