3301e8fe-9868-476c-990a-ab44e51f4a2d

Build # 3301e8fe-9868-476c-990a-ab44e51f4a2d

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push

circleci

Committed by GitHub

Commit Message

Merge pull request #3001 from mozilla/main

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0.0

/src/app.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import express from 'express'
import session from 'express-session'
import helmet from 'helmet'
import accepts from 'accepts'
import { createClient } from 'redis'
import RedisStore from 'connect-redis'
import cookieParser from 'cookie-parser'
import rateLimit from 'express-rate-limit'
import Sentry from '@sentry/node'
import '@sentry/tracing'

import AppConstants from './appConstants.js'
import { localStorage } from './utils/localStorage.js'
import { errorHandler } from './middleware/error.js'
import { initFluentBundles, updateLocale, getMessageWithLocale, getMessage } from './utils/fluent.js'
import { loadBreachesIntoApp } from './utils/hibp.js'
import { RateLimitError } from './utils/error.js'
import { initEmail } from './utils/email.js'
import indexRouter from './routes/index.js'
import { noSearchEngineIndex } from './middleware/noSearchEngineIndex.js'

const app = express()
const isDev = AppConstants.NODE_ENV === 'dev'

// init sentry
Sentry.init({
  dsn: AppConstants.SENTRY_DSN,
  environment: AppConstants.NODE_ENV,
  debug: isDev,
  beforeSend (event, hint) {
    if (!hint.originalException.locales || hint.originalException.locales[0] === 'en') return event // return if no localization or localization is in english

    // try to force an english translation for the error message if localized
    if (hint.originalException.fluentID) {
      event.exception.values[0].value = getMessageWithLocale(hint.originalException.fluentID, 'en') || getMessage(hint.originalException.fluentID)
    }

    return event
  }
})

// Determine from where to serve client code/assets:
// Build script is triggered for `npm start` and assets are served from /dist.
// Build script is NOT run for `npm run dev`, assets are served from /src, and nodemon restarts server without build (faster dev).
const staticPath =
  process.env.npm_lifecycle_event === 'start' ? '../dist' : './client'

await initFluentBundles()

async function getRedisStore () {
  if (['', 'redis-mock'].includes(AppConstants.REDIS_URL)) {
    // allow mock redis for setups without local redis server
    const { redisMockClient } = await import('./utils/redisMock.js')
    return new RedisStore({ client: redisMockClient })
  }

  const redisClient = createClient({ url: AppConstants.REDIS_URL })
  // the following event handlers are currently required for Heroku server stability: https://github.com/Shopify/shopify-app-js/issues/129
  redisClient.on('error', err => console.error('Redis client error', err))
  redisClient.on('connect', () => console.log('Redis client is connecting'))
  redisClient.on('reconnecting', () => console.log('Redis client is reconnecting'))
  redisClient.on('ready', () => console.log('Redis client is ready'))
  await redisClient.connect().catch(console.error)
  return new RedisStore({ client: redisClient })
}

// middleware
app.use(
  helmet({
    crossOriginResourcePolicy: { policy: 'cross-origin' },
    crossOriginEmbedderPolicy: false
  })
)

app.use(
  Sentry.Handlers.requestHandler({
    request: ['headers', 'method', 'url'], // omit cookies, data, query_string
    user: ['id'] // omit username, email
  })
)

const imgSrc = [
  "'self'",
  // Support GA4 per https://developers.google.com/tag-platform/tag-manager/web/csp
  'https://*.google-analytics.com',
  'https://*.googletagmanager.com',
  'https://firefoxusercontent.com',
  'https://mozillausercontent.com/',
  'https://monitor.cdn.mozilla.net/'
]

if (AppConstants.FXA_ENABLED) {
  const fxaSrc = new URL(AppConstants.OAUTH_PROFILE_URI).origin
  imgSrc.push(fxaSrc)
}

app.use((_req, res, _next) => {
  helmet.contentSecurityPolicy({
    directives: {
      upgradeInsecureRequests: isDev ? null : [], // disable forced https to allow localhost on Safari
      scriptSrc: [
        "'self'",
        // Support GA4 per https://developers.google.com/tag-platform/tag-manager/web/csp
        'https://*.googletagmanager.com'
      ],
      imgSrc,
      connectSrc: [
        "'self'",
        // Support GA4 per https://developers.google.com/tag-platform/tag-manager/web/csp
        'https://*.google-analytics.com',
        'https://*.analytics.google.com',
        'https://*.googletagmanager.com'
      ]
    }
  })(_req, res, _next)
})

// fallback to default 'no-referrer' only when 'strict-origin-when-cross-origin' not available
app.use(
  helmet.referrerPolicy({
    policy: ['no-referrer', 'strict-origin-when-cross-origin']
  })
)

// For text/html or */* (if Accept has not been set), negotiate and store the requested language.
// This filter avoids running unecessary locale functions for every image/webp request, for example.
// Using AsyncLocalStorage avoids having to pass req context down through every function (e.g. for getMessage())
app.use((req, res, next) => {
  if (!['text/html', '*/*'].includes(accepts(req).types()[0])) return next()

  req.locale = updateLocale(accepts(req).languages())
  localStorage.run(new Map(), () => {
    localStorage.getStore().set('locale', req.locale)
    next() // call next() inside this function to pass asyncLocalStorage context to other middleware.
  })
})

// MNTOR-1009, 1117:
// Because of proxy settings, request / cookies are not persisted between calls
// Setting the trust proxy to high and securing the cookie allowed the cookie to persist
// If cookie.secure is set as true, for nodejs behind proxy, "trust proxy" needs to be set
app.set('trust proxy', 1)

// session
const SESSION_DURATION_HOURS = AppConstants.SESSION_DURATION_HOURS || 48
app.use(
  session({
    cookie: {
      maxAge: SESSION_DURATION_HOURS * 60 * 60 * 1000, // 48 hours
      rolling: true,
      sameSite: 'lax',
      secure: !isDev
    },
    resave: false,
    saveUninitialized: true,
    secret: AppConstants.COOKIE_SECRET,
    store: await getRedisStore()
  })
)

// Load breaches into namespaced cache
try {
  await loadBreachesIntoApp(app)
} catch (error) {
  console.error('Error loading breaches into app.locals', error)
}

app.use(noSearchEngineIndex)
app.use(express.static(staticPath))
app.use(express.json())
app.use(cookieParser(AppConstants.COOKIE_SECRET))

const apiLimiter = rateLimit({
  windowMs: 15 * 60 * 1000, // 15 minutes
  max: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes)
  standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers
  legacyHeaders: false // Disable the `X-RateLimit-*` headers
})

app.use('/api', apiLimiter)

// routing
app.use('/', indexRouter)

// sentry error handler
app.use(Sentry.Handlers.errorHandler({
  shouldHandleError (error) {
    if (error instanceof RateLimitError) return true
  }
}))

// app error handler
app.use(errorHandler)

app.listen(AppConstants.PORT, async function () {
  console.info(`MONITOR V2: Server listening at ${this.address().port}`)
  console.info(`Static files served from ${staticPath}`)
  try {
    await initEmail()
    console.info('Email initialized')
  } catch (ex) {
    console.error('try-initialize-email-error', { ex })
  }
})

1	/* This Source Code Form is subject to the terms of the Mozilla Public
2	* License, v. 2.0. If a copy of the MPL was not distributed with this
3	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5	import express from 'express'
6	import session from 'express-session'
7	import helmet from 'helmet'
8	import accepts from 'accepts'
9	import { createClient } from 'redis'
10	import RedisStore from 'connect-redis'
11	import cookieParser from 'cookie-parser'
12	import rateLimit from 'express-rate-limit'
13	import Sentry from '@sentry/node'
14	import '@sentry/tracing'
15
16	import AppConstants from './appConstants.js'
17	import { localStorage } from './utils/localStorage.js'
18	import { errorHandler } from './middleware/error.js'
19	import { initFluentBundles, updateLocale, getMessageWithLocale, getMessage } from './utils/fluent.js'
20	import { loadBreachesIntoApp } from './utils/hibp.js'
21	import { RateLimitError } from './utils/error.js'
22	import { initEmail } from './utils/email.js'
23	import indexRouter from './routes/index.js'
24	import { noSearchEngineIndex } from './middleware/noSearchEngineIndex.js'
25
26	const app = express()	×
27	const isDev = AppConstants.NODE_ENV === 'dev'	×
28
29	// init sentry
30	Sentry.init({	×
31	dsn: AppConstants.SENTRY_DSN,
32	environment: AppConstants.NODE_ENV,
33	debug: isDev,
34	beforeSend (event, hint) {
35	if (!hint.originalException.locales \|\| hint.originalException.locales[0] === 'en') return event // return if no localization or localization is in english	×
36
37	// try to force an english translation for the error message if localized
38	if (hint.originalException.fluentID) {	×
39	event.exception.values[0].value = getMessageWithLocale(hint.originalException.fluentID, 'en') \|\| getMessage(hint.originalException.fluentID)	×
40	}
41
42	return event	×
43	}
44	})
45
46	// Determine from where to serve client code/assets:
47	// Build script is triggered for `npm start` and assets are served from /dist.
48	// Build script is NOT run for `npm run dev`, assets are served from /src, and nodemon restarts server without build (faster dev).
49	const staticPath =
50	process.env.npm_lifecycle_event === 'start' ? '../dist' : './client'	×
51
52	await initFluentBundles()	×
53
54	async function getRedisStore () {
55	if (['', 'redis-mock'].includes(AppConstants.REDIS_URL)) {	×
56	// allow mock redis for setups without local redis server
57	const { redisMockClient } = await import('./utils/redisMock.js')	×
58	return new RedisStore({ client: redisMockClient })	×
59	}
60
61	const redisClient = createClient({ url: AppConstants.REDIS_URL })	×
62	// the following event handlers are currently required for Heroku server stability: https://github.com/Shopify/shopify-app-js/issues/129
63	redisClient.on('error', err => console.error('Redis client error', err))	×
64	redisClient.on('connect', () => console.log('Redis client is connecting'))	×
65	redisClient.on('reconnecting', () => console.log('Redis client is reconnecting'))	×
66	redisClient.on('ready', () => console.log('Redis client is ready'))	×
67	await redisClient.connect().catch(console.error)	×
68	return new RedisStore({ client: redisClient })	×
69	}
70
71	// middleware
72	app.use(	×
73	helmet({
74	crossOriginResourcePolicy: { policy: 'cross-origin' },
75	crossOriginEmbedderPolicy: false
76	})
77	)
78
79	app.use(	×
80	Sentry.Handlers.requestHandler({
81	request: ['headers', 'method', 'url'], // omit cookies, data, query_string
82	user: ['id'] // omit username, email
83	})
84	)
85
86	const imgSrc = [	×
87	"'self'",
88	// Support GA4 per https://developers.google.com/tag-platform/tag-manager/web/csp
89	'https://*.google-analytics.com',
90	'https://*.googletagmanager.com',
91	'https://firefoxusercontent.com',
92	'https://mozillausercontent.com/',
93	'https://monitor.cdn.mozilla.net/'
94	]
95
96	if (AppConstants.FXA_ENABLED) {	×
97	const fxaSrc = new URL(AppConstants.OAUTH_PROFILE_URI).origin	×
98	imgSrc.push(fxaSrc)	×
99	}
100
101	app.use((_req, res, _next) => {	×
102	helmet.contentSecurityPolicy({	×
103	directives: {
104	upgradeInsecureRequests: isDev ? null : [], // disable forced https to allow localhost on Safari	×
105	scriptSrc: [
106	"'self'",
107	// Support GA4 per https://developers.google.com/tag-platform/tag-manager/web/csp
108	'https://*.googletagmanager.com'
109	],
110	imgSrc,
111	connectSrc: [
112	"'self'",
113	// Support GA4 per https://developers.google.com/tag-platform/tag-manager/web/csp
114	'https://*.google-analytics.com',
115	'https://*.analytics.google.com',
116	'https://*.googletagmanager.com'
117	]
118	}
119	})(_req, res, _next)
120	})
121
122	// fallback to default 'no-referrer' only when 'strict-origin-when-cross-origin' not available
123	app.use(	×
124	helmet.referrerPolicy({
125	policy: ['no-referrer', 'strict-origin-when-cross-origin']
126	})
127	)
128
129	// For text/html or / (if Accept has not been set), negotiate and store the requested language.
130	// This filter avoids running unecessary locale functions for every image/webp request, for example.
131	// Using AsyncLocalStorage avoids having to pass req context down through every function (e.g. for getMessage())
132	app.use((req, res, next) => {	×
133	if (!['text/html', '/'].includes(accepts(req).types()[0])) return next()	×
134
135	req.locale = updateLocale(accepts(req).languages())	×
136	localStorage.run(new Map(), () => {	×
137	localStorage.getStore().set('locale', req.locale)	×
138	next() // call next() inside this function to pass asyncLocalStorage context to other middleware.	×
139	})
140	})
141
142	// MNTOR-1009, 1117:
143	// Because of proxy settings, request / cookies are not persisted between calls
144	// Setting the trust proxy to high and securing the cookie allowed the cookie to persist
145	// If cookie.secure is set as true, for nodejs behind proxy, "trust proxy" needs to be set
146	app.set('trust proxy', 1)	×
147
148	// session
149	const SESSION_DURATION_HOURS = AppConstants.SESSION_DURATION_HOURS \|\| 48	×
150	app.use(	×
151	session({
152	cookie: {
153	maxAge: SESSION_DURATION_HOURS * 60 * 60 * 1000, // 48 hours
154	rolling: true,
155	sameSite: 'lax',
156	secure: !isDev
157	},
158	resave: false,
159	saveUninitialized: true,
160	secret: AppConstants.COOKIE_SECRET,
161	store: await getRedisStore()
162	})
163	)
164
165	// Load breaches into namespaced cache
166	try {	×
167	await loadBreachesIntoApp(app)	×
168	} catch (error) {
169	console.error('Error loading breaches into app.locals', error)	×
170	}
171
172	app.use(noSearchEngineIndex)	×
173	app.use(express.static(staticPath))	×
174	app.use(express.json())	×
175	app.use(cookieParser(AppConstants.COOKIE_SECRET))	×
176
177	const apiLimiter = rateLimit({	×
178	windowMs: 15 * 60 * 1000, // 15 minutes
179	max: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes)
180	standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers
181	legacyHeaders: false // Disable the `X-RateLimit-*` headers
182	})
183
184	app.use('/api', apiLimiter)	×
185
186	// routing
187	app.use('/', indexRouter)	×
188
189	// sentry error handler
190	app.use(Sentry.Handlers.errorHandler({	×
191	shouldHandleError (error) {
192	if (error instanceof RateLimitError) return true	×
193	}
194	}))
195
196	// app error handler
197	app.use(errorHandler)	×
198
199	app.listen(AppConstants.PORT, async function () {	×
200	console.info(`MONITOR V2: Server listening at ${this.address().port}`)	×
201	console.info(`Static files served from ${staticPath}`)	×
202	try {	×
203	await initEmail()	×
204	console.info('Email initialized')	×
205	} catch (ex) {
206	console.error('try-initialize-email-error', { ex })	×
207	}
208	})

mozilla / blurts-server / 3301e8fe-9868-476c-990a-ab44e51f4a2d

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