NodeJS source (view on github)

const crypto = require('crypto')
const dashboard = require('../../../../index.js')

module.exports = {
  auth: false,
  post: async (req) => {
    if (!req || !req.body) {
      throw new Error('invalid-username')
    }
    if (!req.body.username || !req.body.username.length) {
      throw new Error('invalid-username')
    }
    if (!req.body.password || !req.body.password.length) {
      throw new Error('invalid-password')
    }
    let dashboardEncryptionKey = global.dashboardEncryptionKey
    let dashboardSessionKey = global.dashboardSessionKey
    if (req.server) {
      dashboardEncryptionKey = req.server.dashboardEncryptionKey || dashboardEncryptionKey
      dashboardSessionKey = req.server.dashboardSessionKey || dashboardSessionKey
    }
    const usernameHash = await dashboard.Hash.sha512Hash(req.body.username, dashboardEncryptionKey)
    const accountData = await dashboard.Storage.Account.findOne({
      where: {
        usernameHash,
        appid: req.appid || global.appid
      }
    })
    const account = accountData ? accountData.dataValues : undefined
    if (!account) {
      throw new Error('invalid-username')
    }
    const validPassword = await dashboard.Hash.bcryptHashCompare(req.body.password, account.passwordHash, dashboardEncryptionKey)
    if (!validPassword) {
      throw new Error('invalid-password')
    }
    let duration
    switch (req.body.remember) {
      case 'hours':
        duration = 8 * 60 * 60
        break
      case 'days':
        duration = 30 * 24 * 60 * 60
        break
      default:
        duration = 20 * 60
        break
    }
    const sessionToken = crypto.randomBytes(32).toString('hex')
    const tokenHash = await dashboard.Hash.sha512Hash(`${account.accountid}/${sessionToken}/${account.sessionKey}/${dashboardSessionKey}`, dashboardEncryptionKey)
    const sessionInfo = {
      accountid: account.accountid,
      appid: req.appid || global.appid,
      tokenHash,
      sessionKeyNumber: account.sessionKeyNumber,
      duration
    }
    const session = await dashboard.Storage.Session.create(sessionInfo)
    await dashboard.Storage.Account.update({
      lastSignedInAt: session.createdAt
    }, {
      where: {
        accountid: account.accountid,
        appid: req.appid || global.appid
      }
    })
    await dashboard.StorageCache.remove(account.accountid)
    req.query = req.query || {}
    req.query.sessionid = session.dataValues.sessionid
    req.account = account
    req.session = await global.api.user.Session.get(req)
    req.session.token = sessionToken
    return req.session
  }
}

Test source (view on github)

/* eslint-env mocha */
const TestHelper = require('../../../../test-helper.js')
const assert = require('assert')

describe('/api/user/create-session', () => {
  describe('exceptions', () => {
    describe('invalid-username', () => {
      it('missing posted username', async () => {
        const req = TestHelper.createRequest('/api/user/create-session')
        req.body = {
          username: '',
          password: 'password'
        }
        let errorMessage
        try {
          await req.post()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-username')
      })
    })

    describe('invalid-password', () => {
      it('missing posted password', async () => {
        const req = TestHelper.createRequest('/api/user/create-session')
        req.body = {
          username: 'username',
          password: ''
        }
        let errorMessage
        try {
          await req.post()
        } catch (error) {
          errorMessage = error.message
        }
        assert.strictEqual(errorMessage, 'invalid-password')
      })
    })
  })

  describe('receives', () => {
    it('optional posted remember (hours|days)', async () => {
      const user = await TestHelper.createUser()
      const req = TestHelper.createRequest('/api/user/create-session')
      req.body = {
        username: user.account.username,
        password: user.account.password,
        remember: 'hours'
      }
      const session = await req.post()
      const hours = Math.ceil((new Date(session.expiresAt).getTime() - new Date().getTime()) / 1000 / 60 / 60)
      assert.strictEqual(hours, 8)
      req.body = {
        username: user.account.username,
        password: user.account.password,
        remember: 'days'
      }
      const session2 = await req.post()
      const days = Math.ceil((new Date(session2.expiresAt).getTime() - new Date().getTime()) / 1000 / 60 / 60 / 24)
      assert.strictEqual(days, 30)
    })
  })

  describe('returns', () => {
    it('object', async () => {
      const user = await TestHelper.createUser()
      const req = TestHelper.createRequest('/api/user/create-session')
      req.body = {
        username: user.account.username,
        password: user.account.password
      }
      req.filename = __filename
      req.saveResponse = true
      const session = await req.post()
      const minutes = Math.ceil((new Date(session.expiresAt).getTime() - new Date().getTime()) / 1000 / 60)
      assert.strictEqual(minutes, 20)
    })
  })
})