walnut.js/lib/worker.js

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'use strict';
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module.exports.create = function (webserver, xconfx, state) {
console.log('DEBUG create worker');
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if (!state) {
state = {};
}
var PromiseA = state.Promise || require('bluebird');
var memstore;
var sqlstores = {};
var systemFactory = require('sqlite3-cluster/client').createClientFactory({
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dirname: xconfx.varpath
, prefix: 'com.daplie.walnut.'
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//, dbname: 'config'
, suffix: ''
, ext: '.sqlite3'
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, sock: xconfx.sqlite3Sock
, ipcKey: xconfx.ipcKey
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});
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/*
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var clientFactory = require('sqlite3-cluster/client').createClientFactory({
algorithm: 'aes'
, bits: 128
, mode: 'cbc'
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, dirname: xconfx.varpath // TODO conf
, prefix: 'com.daplie.walnut.'
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//, dbname: 'cluster'
, suffix: ''
, ext: '.sqlcipher'
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, sock: xconfx.sqlite3Sock
, ipcKey: xconfx.ipcKey
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});
*/
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var cstore = require('cluster-store');
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return PromiseA.all([
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// TODO security on memstore
// TODO memstoreFactory.create
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cstore.create({
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sock: xconfx.memstoreSock
, connect: xconfx.memstoreSock
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// TODO implement
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, key: xconfx.ipcKey
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}).then(function (_memstore) {
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memstore = PromiseA.promisifyAll(_memstore);
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return memstore;
})
// TODO mark a device as lost, stolen, missing in DNS records
// (and in turn allow other devices to lock it, turn on location reporting, etc)
, systemFactory.create({
init: true
, dbname: 'config'
})
]).then(function (args) {
memstore = args[0];
sqlstores.config = args[1];
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var wrap = require('masterquest-sqlite3');
var dir = [
{ tablename: 'com_daplie_walnut_config'
, idname: 'id'
, unique: [ 'id' ]
, indices: [ 'createdAt', 'updatedAt' ]
}
, { tablename: 'com_daplie_walnut_redirects'
, idname: 'id' // blog.example.com:sample.net/blog
, unique: [ 'id' ]
, indices: [ 'createdAt', 'updatedAt' ]
}
];
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console.log('config directive', dir);
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function scopeMemstore(expId) {
var scope = expId + '|';
return {
getAsync: function (id) {
return memstore.getAsync(scope + id);
}
, setAsync: function (id, data) {
return memstore.setAsync(scope + id, data);
}
, touchAsync: function (id, data) {
return memstore.touchAsync(scope + id, data);
}
, destroyAsync: function (id) {
return memstore.destroyAsync(scope + id);
}
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// helpers
, allAsync: function () {
return memstore.allAsync().then(function (db) {
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return Object.keys(db).filter(function (key) {
return 0 === key.indexOf(scope);
}).map(function (key) {
return db[key];
});
});
}
, lengthAsync: function () {
return memstore.allAsync().then(function (db) {
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return Object.keys(db).filter(function (key) {
return 0 === key.indexOf(scope);
}).length;
});
}
, clearAsync: function () {
return memstore.allAsync().then(function (db) {
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return Object.keys(db).filter(function (key) {
return 0 === key.indexOf(scope);
}).map(function (key) {
return memstore.destroyAsync(key);
});
}).then(function () {
return null;
});
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}
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};
}
return wrap.wrap(sqlstores.config, dir).then(function (models) {
return models.ComDaplieWalnutConfig.find(null, { limit: 100 }).then(function (results) {
return models.ComDaplieWalnutConfig.find(null, { limit: 10000 }).then(function (redirects) {
var express = require('express-lazy');
var app = express();
var recase = require('connect-recase')({
// TODO allow explicit and or default flag
explicit: false
, default: 'snake'
, prefixes: ['/api']
// TODO allow exclude
//, exclusions: [config.oauthPrefix]
, exceptions: {}
//, cancelParam: 'camel'
});
var bootstrapApp;
var mainApp;
var apiDeps = {
models: models
// TODO don't let packages use this directly
, Promise: PromiseA
};
var apiFactories = {
memstoreFactory: { create: scopeMemstore }
, systemSqlFactory: systemFactory
};
var hostsmap = {};
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function log(req, res, next) {
var hostname = (req.hostname || req.headers.host || '').split(':').shift();
console.log('[worker/log]', req.method, hostname, req.url);
if (hostname && !hostsmap[hostname]) {
hostsmap[hostname] = true;
require('fs').writeFile(
require('path').join(__dirname, '..', '..', 'var', 'hostnames', hostname)
, hostname, function () {});
}
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next();
}
function setupMain() {
mainApp = express();
require('./main').create(mainApp, xconfx, apiFactories, apiDeps).then(function () {
// TODO process.send({});
});
}
if (!bootstrapApp) {
bootstrapApp = express();
require('./bootstrap').create(bootstrapApp, xconfx, models).then(function () {
// TODO process.send({});
setupMain();
});
}
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process.on('message', function (data) {
if ('com.daplie.walnut.bootstrap' === data.type) {
setupMain();
}
});
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app.disable('x-powered-by');
app.use('/', log);
app.use('/api', require('body-parser').json({
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strict: true // only objects and arrays
, inflate: true
// limited to due performance issues with JSON.parse and JSON.stringify
// http://josh.zeigler.us/technology/web-development/how-big-is-too-big-for-json/
//, limit: 128 * 1024
, limit: 1.5 * 1024 * 1024
, reviver: undefined
, type: 'json'
, verify: undefined
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}));
app.use('/api', recase);
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app.set('trust proxy', ['loopback', 'linklocal', 'uniquelocal']);
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app.use('/', function (req, res) {
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if (!(req.encrypted || req.secure)) {
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// did not come from https
if (/\.(appcache|manifest)\b/.test(req.url)) {
require('./unbrick-appcache').unbrick(req, res);
return;
}
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res.end("Connection is not encrypted. That's no bueno or, as we say in Hungarian, nem szabad!");
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return;
}
// TODO check https://letsencrypt.status.io to see if https certification is not available
if (mainApp) {
mainApp(req, res);
return;
}
else {
bootstrapApp(req, res);
return;
}
});
return app;
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});
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});
});
});
};