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@ -1,4 +1,5 @@
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const {RateLimiterPostgres, RateLimiterUnion} = require('rate-limiter-flexible');
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const {Duration} = require('luxon')
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const pg = require('../../db/pg')
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const globalOptions = {
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@ -32,19 +33,31 @@ const loginRateLimitPool = new RateLimiterUnion(...loginRateLimits)
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module.exports.loginRateLimit = async (req, res) => {
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try {
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let currentLimits = await Promise.all(
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loginRateLimits.map(limiter => limiter.get(req.body.email))
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)
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const failed = currentLimits.filter(limit => limit?.remainingPoints === 0)
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if(failed.length > 0)
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throw failed;
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await loginRateLimitPool.consume(req.body.email)
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return 'next';
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} catch (limits) {
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const wait = Math.max(...Object.values(limits).map(limit => limit?.msBeforeNext || 1));
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const waitMillis = Math.max(...Object.values(limits).map(limit => limit?.msBeforeNext || 1));
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const wait = Math.ceil(waitMillis / 1000)
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res.status(429)
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res.set({
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'Retry-After': Math.ceil(wait / 1000)
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'Retry-After': wait
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})
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const duration = secondsToTimeString(wait)
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res.json({errors: [{
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param: 'email',
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msg: `Too many password attempts, please wait ${Math.ceil(wait / 1000)} seconds`
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msg: `Too many login attempts, please wait ${duration}`
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},{
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param: 'password',
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msg: ' '
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@ -56,4 +69,32 @@ module.exports.loginRateLimit.reset = email => Promise.all(
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loginRateLimits.map(rateLimit =>
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rateLimit.delete(email)
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)
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)
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)
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function secondsToTimeString(seconds) {
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const duration = Duration.fromObject({seconds}).shiftTo('days', 'hours', 'minutes', 'seconds')
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let string = '';
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if(duration.days)
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string += `${duration.days} day${duration.days > 1 ? 's' : ''}`
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if(duration.hours) {
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if (string) string += ', '
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string += `${duration.hours} hour${duration.hours > 1 ? 's' : ''}`
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}
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if(duration.minutes) {
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if (string) string += ', '
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string += `${duration.minutes} minute${duration.minutes > 1 ? 's' : ''}`
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}
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if(duration.seconds) {
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if (string) string += ', '
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string += `${duration.seconds} second${duration.seconds > 1 ? 's' : ''}`
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}
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if(!string)
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return '1 second'
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return string
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}
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