00cbdaa8ca
- Adds the backend APIs required for Microsoft Email Channels Co-authored-by: Pranav Raj S <pranav@chatwoot.com> Co-authored-by: Sojan <sojan@pepalo.com>
101 lines
3.0 KiB
Ruby
101 lines
3.0 KiB
Ruby
require 'net/imap'
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class Inboxes::FetchImapEmailsJob < ApplicationJob
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queue_as :low
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def perform(channel)
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return unless should_fetch_email?(channel)
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process_email_for_channel(channel)
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rescue *ExceptionList::IMAP_EXCEPTIONS
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channel.authorization_error!
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rescue EOFError => e
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Rails.logger.error e
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rescue StandardError => e
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ChatwootExceptionTracker.new(e, account: channel.account).capture_exception
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end
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private
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def should_fetch_email?(channel)
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channel.imap_enabled? && !channel.reauthorization_required?
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end
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def process_email_for_channel(channel)
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# fetching email for microsoft provider
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if channel.microsoft?
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fetch_mail_for_ms_provider(channel)
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else
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fetch_mail_for_channel(channel)
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end
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# clearing old failures like timeouts since the mail is now successfully processed
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channel.reauthorized!
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end
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def fetch_mail_for_channel(channel)
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# TODO: rather than setting this as default method for all mail objects, lets if can do new mail object
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# using Mail.retriever_method.new(params)
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Mail.defaults do
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retriever_method :imap, address: channel.imap_address,
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port: channel.imap_port,
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user_name: channel.imap_login,
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password: channel.imap_password,
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enable_ssl: channel.imap_enable_ssl
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end
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Mail.find(what: :last, count: 10, order: :asc).each do |inbound_mail|
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next if channel.inbox.messages.find_by(source_id: inbound_mail.message_id).present?
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process_mail(inbound_mail, channel)
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end
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end
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def fetch_mail_for_ms_provider(channel)
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return if channel.provider_config['access_token'].blank?
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access_token = valid_access_token channel
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return unless access_token
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imap = imap_authenticate(channel, access_token)
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process_mails(imap, channel)
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end
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def process_mails(imap, channel)
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imap.search(['BEFORE', tomorrow, 'SINCE', yesterday]).each do |message_id|
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inbound_mail = Mail.read_from_string imap.fetch(message_id, 'RFC822')[0].attr['RFC822']
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next if channel.inbox.messages.find_by(source_id: inbound_mail.message_id).present?
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process_mail(inbound_mail, channel)
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end
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end
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def imap_authenticate(channel, access_token)
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imap = Net::IMAP.new(channel.imap_address, channel.imap_port, true)
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imap.authenticate('XOAUTH2', channel.imap_login, access_token)
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imap.select('INBOX')
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imap
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end
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def yesterday
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(Time.zone.today - 1).strftime('%d-%b-%Y')
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end
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def tomorrow
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(Time.zone.today + 1).strftime('%d-%b-%Y')
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end
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def process_mail(inbound_mail, channel)
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Imap::ImapMailbox.new.process(inbound_mail, channel)
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rescue StandardError => e
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ChatwootExceptionTracker.new(e, account: channel.account).capture_exception
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end
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# Making sure the access token is valid for microsoft provider
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def valid_access_token(channel)
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Microsoft::RefreshOauthTokenService.new(channel: channel).access_token
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end
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end
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