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GitHub Repository: sagemathinc/cocalc
 Path: blob/master/src/packages/hub/user-remember-me.coffee
Views: 687
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#########################################################################

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# This file is part of CoCalc: Copyright © 2020 Sagemath, Inc.

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# License: MS-RSL – see LICENSE.md for details

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#########################################################################

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###

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A cached function from remember_me cookie to account_id.

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Cache expires after 60s, to stop accepting requests from user

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in case they invalidate their cookie.

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###

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Cache = require('lru-cache')

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auth    = require('./auth')

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generateHash =require("@cocalc/server/auth/hash").default;

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# Do NOT change this - this exact string is assumed in @cocalc/util/client

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{NOT_SIGNED_IN} = require("@cocalc/util/consts")

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remember_me_cache = new Cache(max:5000, ttl:60000)

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exports.get_account_id = (database, remember_me, cb) ->

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    if not remember_me?

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        cb(NOT_SIGNED_IN)

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        return

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    account_id = remember_me_cache.get(remember_me)

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    if account_id

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        cb(undefined, account_id)

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        return

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    x = remember_me.split('$')

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    try

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        hash = generateHash(x[0], x[1], x[2], x[3])

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    catch err

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        cb(NOT_SIGNED_IN)

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        return

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    database.get_remember_me

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        hash : hash

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        cb   : (err, signed_in_mesg) ->

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            if err

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                cb(err)

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                return

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            remember_me_cache.set(remember_me, signed_in_mesg?.account_id)

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            if not signed_in_mesg?

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                cb(NOT_SIGNED_IN)

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            else

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                cb(undefined, signed_in_mesg.account_id)

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