overleaf/services/web/app/coffee/infrastructure/ExpressLocals.coffee

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logger = require 'logger-sharelatex'
fs = require 'fs'
crypto = require 'crypto'
Settings = require('settings-sharelatex')
SubscriptionFormatters = require('../Features/Subscription/SubscriptionFormatters')
querystring = require('querystring')
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SystemMessageManager = require("../Features/SystemMessages/SystemMessageManager")
_ = require("underscore")
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Modules = require "./Modules"
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fingerprints = {}
Path = require 'path'
jsPath =
if Settings.useMinifiedJs
"/minjs/"
else
"/js/"
logger.log "Generating file fingerprints..."
for path in [
"#{jsPath}libs/require.js",
"#{jsPath}ide.js",
"#{jsPath}main.js",
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"#{jsPath}libs.js",
"#{jsPath}ace/ace.js",
"#{jsPath}libs/pdf.js",
"#{jsPath}libs/pdf.worker.js",
"#{jsPath}libs/compatibility.js",
"#{jsPath}libs/pdfjs-1.0.712/pdf.js",
"#{jsPath}libs/pdfjs-1.0.712/pdf.worker.js",
"#{jsPath}libs/pdfjs-1.0.712/compatibility.js",
"/stylesheets/style.css"
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]
filePath = Path.join __dirname, "../../../", "public#{path}"
exists = fs.existsSync filePath
if exists
content = fs.readFileSync filePath
hash = crypto.createHash("md5").update(content).digest("hex")
logger.log "#{filePath}: #{hash}"
fingerprints[path] = hash
else
logger.log filePath:filePath, "file does not exist for fingerprints"
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module.exports = (app)->
app.use (req, res, next)->
res.locals.session = req.session
next()
app.use (req, res, next)->
res.locals.jsPath = jsPath
next()
app.use (req, res, next)->
res.locals.settings = Settings
next()
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app.use (req, res, next)->
res.locals.translate = req.i18n.translate
res.locals.currentUrl = req.originalUrl
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next()
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app.use (req, res, next)->
res.locals.getSiteHost = ->
Settings.siteUrl.substring(Settings.siteUrl.indexOf("//")+2)
next()
app.use (req, res, next)->
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res.locals.formatProjectPublicAccessLevel = (privilegeLevel)->
formatedPrivileges = private:"Private", readOnly:"Public: Read Only", readAndWrite:"Public: Read and Write"
return formatedPrivileges[privilegeLevel] || "Private"
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next()
app.use (req, res, next)->
res.locals.buildReferalUrl = (referal_medium) ->
url = Settings.siteUrl
if req.session? and req.session.user? and req.session.user.referal_id?
url+="?r=#{req.session.user.referal_id}&rm=#{referal_medium}&rs=b" # Referal source = bonus
return url
res.locals.getReferalId = ->
if req.session? and req.session.user? and req.session.user.referal_id
return req.session.user.referal_id
res.locals.getReferalTagLine = ->
tagLines = [
"Roar!"
"Shout about us!"
"Please recommend us"
"Tell the world!"
"Thanks for using ShareLaTeX"
]
return tagLines[Math.floor(Math.random()*tagLines.length)]
res.locals.getRedirAsQueryString = ->
if req.query.redir?
return "?#{querystring.stringify({redir:req.query.redir})}"
return ""
next()
app.use (req, res, next) ->
res.locals.csrfToken = req.session._csrf
next()
app.use (req, res, next)->
res.locals.fingerprint = (path) ->
if fingerprints[path]?
return fingerprints[path]
else
logger.err "No fingerprint for file: #{path}"
return ""
next()
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app.use (req, res, next)->
res.locals.formatPrice = SubscriptionFormatters.formatPrice
next()
app.use (req, res, next)->
if req.session.user?
res.locals.user =
email: req.session.user.email
first_name: req.session.user.first_name
last_name: req.session.user.last_name
if req.session.justRegistered
res.locals.justRegistered = true
delete req.session.justRegistered
if req.session.justLoggedIn
res.locals.justLoggedIn = true
delete req.session.justLoggedIn
res.locals.gaToken = Settings.analytics?.ga?.token
res.locals.tenderUrl = Settings.tenderUrl
res.locals.sentrySrc = Settings.sentry?.src
res.locals.sentryPublicDSN = Settings.sentry?.publicDSN
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next()
app.use (req, res, next) ->
if req.query? and req.query.scribtex_path?
res.locals.lookingForScribtex = true
res.locals.scribtexPath = req.query.scribtex_path
next()
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app.use (req, res, next) ->
res.locals.nav = Settings.nav
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res.locals.templates = Settings.templateLinks
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next()
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app.use (req, res, next) ->
SystemMessageManager.getMessages (error, messages = []) ->
res.locals.systemMessages = messages
next()
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app.use (req, res, next)->
subdomain = _.find Settings.i18n.subdomainLang, (subdomain)->
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subdomain.lngCode == req.showUserOtherLng and !subdomain.hide
res.locals.recomendSubdomain = subdomain
res.locals.currentLngCode = req.lng
next()
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app.use (req, res, next) ->
if Settings.reloadModuleViewsOnEachRequest
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Modules.loadViewIncludes()
res.locals.moduleIncludes = Modules.moduleIncludes
res.locals.moduleIncludesAvailable = Modules.moduleIncludesAvailable
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next()