api/account/sign_up/send_email_verification_link.json.jst

   1 let crypto = require('crypto')
   2 let nodemailer = require('nodemailer')
   3 let XDate = require('xdate')
   4
   5 return async env => {
   6   let get_globals = await _require('/_lib/get_globals.jst')
   7   let get_session = await _require('/_lib/get_session.jst')
   8   let post_request = await _require('/_lib/post_request.jst')
   9   let Problem = await _require('/_lib/Problem.jst')
  10
  11   await post_request(
  12     // env
  13     env,
  14     // handler
  15     async email => {
  16       // coerce and/or validate
  17       email = email.slice(0, 256).toLowerCase()
  18       if (email.length === 0)
  19         throw new Problem(
  20           'Bad request',
  21           'Minimum length check failed',
  22           400
  23         )
  24
  25       let transaction = await env.site.database.Transaction()
  26       let link_code
  27       let nodemailer_noreply, site_url, noreply_from, noreply_signature
  28       let given_names, family_name
  29       try {
  30         // initialize env.session_key, set cookie in env.response
  31         await get_session(env, transaction)
  32
  33         let account = await (
  34           await (
  35             await transaction.get({})
  36           ).get('accounts', {})
  37         ).get(email)
  38         if (account === undefined)
  39           throw new Problem(
  40             'Account does not exist',
  41             `Please create the account for "${email}" before attempting to send an email verification link.`
  42             421
  43           )
  44
  45         if (await account.get_json('email_verified'))
  46           throw new Problem(
  47             'Email already verified',
  48             `Your email "${email}" is already verified. You can now sign in.`
  49             422
  50           )
  51
  52         link_code = crypto.randomBytes(16).toString('hex')
  53         let expires = new XDate()
  54         expires.addDays(1)
  55         account.set_json(
  56           'verify_email',
  57           {link_code, expires: expires.getTime()}
  58         )
  59
  60         nodemailer_noreply = nodemailer.createTransport(
  61           await (
  62             await (
  63               await transaction.get({})
  64             ).get('nodemailer')
  65           ).get_json('noreply')
  66         )
  67         let globals = await get_globals(env, transaction)
  68         site_url = await globals.get_json('site_url')
  69         noreply_from = await globals.get_json('noreply_from')
  70         noreply_signature = await globals.get_json('noreply_signature')
  71
  72         given_names = await account.get_json('given_names', '')
  73         family_name = await account.get_json('family_name', '')
  74
  75         await transaction.commit()
  76       }
  77       catch (error) {
  78         transaction.rollback()
  79         throw error
  80       }
  81
  82       let name =
  83         family_name.length ? `${given_names} ${family_name}` : given_names
  84       await nodemailer_noreply.sendMail(
  85         {
  86           from: noreply_from,
  87           to: `${name} <${email}>`,
  88           subject: 'Email address verification',
  89           text: `Dear ${given_names},
  90
  91 We have received a request to sign up using your email address.
  92
  93 If this request is valid, please verify your email address by visiting the below link:
  94 ${site_url}/my_account/verify_email/index.html?email=${encodeURIComponent(email)}&link_code=${encodeURIComponent(link_code)}
  95
  96 The link is valid for 24 hours.
  97
  98 Thanks,
  99 ${noreply_signature}
 100 `
 101         }
 102       )
 103     }
 104   )
 105 }