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- Settings = require('settings-sharelatex')
- redis = require('redis')
- rclient = redis.createClient(Settings.redis.web.port, Settings.redis.web.host)
- rclient.auth(Settings.redis.web.password)
- buildKey = (k)->
- return "LoginRateLimit:#{k}"
- ONE_MIN = 60
- ATTEMPT_LIMIT = 10
- module.exports =
- processLoginRequest: (email, callback)->
- multi = rclient.multi()
- multi.incr(buildKey(email))
- multi.get(buildKey(email))
- multi.expire(buildKey(email), ONE_MIN * 2)
- multi.exec (err, results)->
- loginCount = results[1]
- allow = loginCount <= ATTEMPT_LIMIT
- callback err, allow
- recordSuccessfulLogin: (email, callback = ->)->
- rclient.del buildKey(email), callback
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