mirror of
https://github.com/overleaf/overleaf.git
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270 lines
8 KiB
CoffeeScript
270 lines
8 KiB
CoffeeScript
logger = require 'logger-sharelatex'
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fs = require 'fs'
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crypto = require 'crypto'
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Settings = require('settings-sharelatex')
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SubscriptionFormatters = require('../Features/Subscription/SubscriptionFormatters')
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querystring = require('querystring')
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SystemMessageManager = require("../Features/SystemMessages/SystemMessageManager")
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AuthenticationController = require("../Features/Authentication/AuthenticationController")
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_ = require("underscore")
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async = require("async")
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Modules = require "./Modules"
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Url = require "url"
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PackageVersions = require "./PackageVersions"
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fingerprints = {}
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Path = require 'path'
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jsPath =
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if Settings.useMinifiedJs
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"/minjs/"
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else
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"/js/"
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ace = PackageVersions.lib('ace')
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pdfjs = PackageVersions.lib('pdfjs')
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getFileContent = (filePath)->
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filePath = Path.join __dirname, "../../../", "public#{filePath}"
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exists = fs.existsSync filePath
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if exists
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content = fs.readFileSync filePath
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return content
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else
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logger.log filePath:filePath, "file does not exist for fingerprints"
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return ""
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logger.log "Generating file fingerprints..."
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pathList = [
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["#{jsPath}libs/require.js"]
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["#{jsPath}ide.js"]
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["#{jsPath}main.js"]
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["#{jsPath}libs.js"]
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["#{jsPath}#{ace}/ace.js","#{jsPath}#{ace}/mode-latex.js", "#{jsPath}#{ace}/snippets/latex.js"]
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["#{jsPath}libs/#{pdfjs}/pdf.js"]
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["#{jsPath}libs/#{pdfjs}/pdf.worker.js"]
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["#{jsPath}libs/#{pdfjs}/compatibility.js"]
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["/stylesheets/style.css"]
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]
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for paths in pathList
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contentList = _.map(paths, getFileContent)
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content = contentList.join("")
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hash = crypto.createHash("md5").update(content).digest("hex")
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_.each paths, (filePath)->
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logger.log "#{filePath}: #{hash}"
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fingerprints[filePath] = hash
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getFingerprint = (path) ->
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if fingerprints[path]?
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return fingerprints[path]
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else
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logger.err "No fingerprint for file: #{path}"
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return ""
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logger.log "Finished generating file fingerprints"
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cdnAvailable = Settings.cdn?.web?.host?
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darkCdnAvailable = Settings.cdn?.web?.darkHost?
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module.exports = (app, webRouter, apiRouter)->
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webRouter.use (req, res, next)->
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res.locals.session = req.session
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next()
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webRouter.use (req, res, next)->
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cdnBlocked = req.query.nocdn == 'true' or req.session.cdnBlocked
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user_id = AuthenticationController.getLoggedInUserId(req)
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if cdnBlocked and !req.session.cdnBlocked?
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logger.log user_id:user_id, ip:req?.ip, "cdnBlocked for user, not using it and turning it off for future requets"
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req.session.cdnBlocked = true
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isDark = req.headers?.host?.slice(0,4)?.toLowerCase() == "dark"
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isSmoke = req.headers?.host?.slice(0,5)?.toLowerCase() == "smoke"
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isLive = !isDark and !isSmoke
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if cdnAvailable and isLive and !cdnBlocked
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staticFilesBase = Settings.cdn?.web?.host
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else if darkCdnAvailable and isDark
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staticFilesBase = Settings.cdn?.web?.darkHost
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else
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staticFilesBase = ""
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res.locals.jsPath = jsPath
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res.locals.fullJsPath = Url.resolve(staticFilesBase, jsPath)
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res.locals.lib = PackageVersions.lib
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res.locals.buildJsPath = (jsFile, opts = {})->
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path = Path.join(jsPath, jsFile)
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doFingerPrint = opts.fingerprint != false
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if !opts.qs?
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opts.qs = {}
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if !opts.qs?.fingerprint? and doFingerPrint
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opts.qs.fingerprint = getFingerprint(path)
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if opts.cdn != false
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path = Url.resolve(staticFilesBase, path)
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qs = querystring.stringify(opts.qs)
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if qs? and qs.length > 0
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path = path + "?" + qs
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return path
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res.locals.buildCssPath = (cssFile)->
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path = Path.join("/stylesheets/", cssFile)
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return Url.resolve(staticFilesBase, path) + "?fingerprint=" + getFingerprint(path)
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res.locals.buildImgPath = (imgFile)->
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path = Path.join("/img/", imgFile)
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return Url.resolve(staticFilesBase, path)
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next()
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webRouter.use (req, res, next)->
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res.locals.settings = Settings
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next()
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webRouter.use (req, res, next)->
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res.locals.translate = (key, vars = {}) ->
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vars.appName = Settings.appName
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req.i18n.translate(key, vars)
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# Don't include the query string parameters, otherwise Google
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# treats ?nocdn=true as the canonical version
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res.locals.currentUrl = Url.parse(req.originalUrl).pathname
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next()
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webRouter.use (req, res, next)->
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res.locals.getSiteHost = ->
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Settings.siteUrl.substring(Settings.siteUrl.indexOf("//")+2)
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next()
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webRouter.use (req, res, next) ->
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res.locals.getUserEmail = ->
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user = AuthenticationController.getSessionUser(req)
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email = user?.email or ""
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return email
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next()
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webRouter.use (req, res, next)->
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res.locals.formatProjectPublicAccessLevel = (privilegeLevel)->
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formatedPrivileges = private:"Private", readOnly:"Public: Read Only", readAndWrite:"Public: Read and Write"
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return formatedPrivileges[privilegeLevel] || "Private"
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next()
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webRouter.use (req, res, next)->
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res.locals.buildReferalUrl = (referal_medium) ->
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url = Settings.siteUrl
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currentUser = AuthenticationController.getSessionUser(req)
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if currentUser? and currentUser?.referal_id?
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url+="?r=#{currentUser.referal_id}&rm=#{referal_medium}&rs=b" # Referal source = bonus
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return url
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res.locals.getReferalId = ->
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currentUser = AuthenticationController.getSessionUser(req)
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if currentUser? and currentUser?.referal_id?
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return currentUser.referal_id
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res.locals.getReferalTagLine = ->
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tagLines = [
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"Roar!"
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"Shout about us!"
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"Please recommend us"
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"Tell the world!"
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"Thanks for using ShareLaTeX"
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]
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return tagLines[Math.floor(Math.random()*tagLines.length)]
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res.locals.getRedirAsQueryString = ->
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if req.query.redir?
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return "?#{querystring.stringify({redir:req.query.redir})}"
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return ""
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res.locals.getLoggedInUserId = ->
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return AuthenticationController.getLoggedInUserId(req)
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res.locals.isUserLoggedIn = ->
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return AuthenticationController.isUserLoggedIn(req)
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res.locals.getSessionUser = ->
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return AuthenticationController.getSessionUser(req)
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next()
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webRouter.use (req, res, next) ->
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res.locals.csrfToken = req?.csrfToken()
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next()
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webRouter.use (req, res, next) ->
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res.locals.getReqQueryParam = (field)->
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return req.query?[field]
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next()
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webRouter.use (req, res, next)->
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res.locals.fingerprint = getFingerprint
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next()
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webRouter.use (req, res, next)->
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res.locals.formatPrice = SubscriptionFormatters.formatPrice
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next()
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webRouter.use (req, res, next)->
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res.locals.externalAuthenticationSystemUsed = ->
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Settings.ldap?
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next()
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webRouter.use (req, res, next)->
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currentUser = AuthenticationController.getSessionUser(req)
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if currentUser?
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res.locals.user =
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email: currentUser.email
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first_name: currentUser.first_name
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last_name: currentUser.last_name
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if req.session.justRegistered
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res.locals.justRegistered = true
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delete req.session.justRegistered
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if req.session.justLoggedIn
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res.locals.justLoggedIn = true
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delete req.session.justLoggedIn
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res.locals.gaToken = Settings.analytics?.ga?.token
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res.locals.tenderUrl = Settings.tenderUrl
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res.locals.sentrySrc = Settings.sentry?.src
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res.locals.sentryPublicDSN = Settings.sentry?.publicDSN
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next()
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webRouter.use (req, res, next) ->
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if req.query? and req.query.scribtex_path?
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res.locals.lookingForScribtex = true
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res.locals.scribtexPath = req.query.scribtex_path
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next()
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webRouter.use (req, res, next) ->
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# Clone the nav settings so they can be modified for each request
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res.locals.nav = {}
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for key, value of Settings.nav
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res.locals.nav[key] = _.clone(Settings.nav[key])
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res.locals.templates = Settings.templateLinks
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next()
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webRouter.use (req, res, next) ->
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SystemMessageManager.getMessages (error, messages = []) ->
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res.locals.systemMessages = messages
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next()
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webRouter.use (req, res, next)->
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res.locals.query = req.query
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next()
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webRouter.use (req, res, next)->
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subdomain = _.find Settings.i18n.subdomainLang, (subdomain)->
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subdomain.lngCode == req.showUserOtherLng and !subdomain.hide
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res.locals.recomendSubdomain = subdomain
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res.locals.currentLngCode = req.lng
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next()
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webRouter.use (req, res, next) ->
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if Settings.reloadModuleViewsOnEachRequest
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Modules.loadViewIncludes()
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res.locals.moduleIncludes = Modules.moduleIncludes
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res.locals.moduleIncludesAvailable = Modules.moduleIncludesAvailable
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next()
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