Class: MailDaemon::ImapWatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/mail_daemon/imap_watcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ ImapWatcher

Returns a new instance of ImapWatcher.



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# File 'lib/mail_daemon/imap_watcher.rb', line 8

def initialize(options)
  @options = options
  @watchers = []

  raise "REDIS_URL environment variable is required (eg redis://localhost:6739)" unless ENV["REDIS_URL"]
  raise "MYSQL_HOST environment variable is required" unless ENV["MYSQL_HOST"]
  raise "MYSQL_DATABASE environment variable is required" unless ENV["MYSQL_DATABASE"]
  raise "MYSQL_USERNAME environment variable is required" unless ENV["MYSQL_USERNAME"]
  # MYSQL_PASSWORD can be empty string, but not nil
  raise "MYSQL_PASSWORD environment variable is required" if ENV["MYSQL_PASSWORD"].nil?
  
  ENV["MYSQL_PORT"] = "3306"

  redis_url = URI.parse(ENV["REDIS_URL"])

  $redis = Redis.new(:host => redis_url.host, :port => redis_url.port)

  Signal.trap("INT") {
    Thread.new {self.stop}.join
  }

  # Trap `Kill `
  Signal.trap("TERM") {
    Thread.new {self.stop}.join
  }

  restart
end

Instance Method Details

#restart ⇒ Object 



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# File 'lib/mail_daemon/imap_watcher.rb', line 70

def restart
  stop
  setup_watchers
  start
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mail_daemon/imap_watcher.rb', line 76

def running?
  !!@watchers.detect{|watcher| watcher.running? }
end

#setup_watchers ⇒ Object 



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# File 'lib/mail_daemon/imap_watcher.rb', line 37

def setup_watchers
  # load uptodate config

  @watchers = []
  mysql_client do |mysql|
    statement = mysql.prepare("select ea.*, a.nickname from case_blocks_email_accounts ea join case_blocks_accounts a on a.id = ea.account_id where ea.imap_enabled=1")
    result = statement.execute()
    result.each do |row|
      ssl = row["imap_ssl"]==1 ? {:verify_mode => "none"} : false
      decrypted_password = Encryption.new.decrypt(row["imap_encrypted_password"])
      begin
        watcher = Imap::Connection.new(@options.merge({:email => row["imap_username"], :host => row["imap_host"], :port => row["imap_port"], :password => decrypted_password, :ssl => ssl, :start_tls => row["imap_start_tls"]==1, :name => row["imap_folder_name"], :search_command => row["imap_search_command"], :message_count => row["imap_messages_processed"], :last_delivered_at => row["imap_last_delivered_at"], :delivery_method=>"sidekiq", :delivery_options=>{:redis_url => ENV["REDIS_URL"], :queue => "email_handler", :worker=>"EmailHandlerWorker"}}))
        @watchers << watcher
      rescue => e
        puts "Unable to create IMAP4 connection for #{row['nickname']}/#{row['name']}. #{e.message}"
      end
    end
  end

end

#start ⇒ Object 



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# File 'lib/mail_daemon/imap_watcher.rb', line 58

def start
  @watchers.each do |watcher|
    watcher.wait_for_messages do |message|
      ap message
    end
  end
end

#stop ⇒ Object 



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# File 'lib/mail_daemon/imap_watcher.rb', line 66

def stop
  @watchers.map{|watcher| watcher.disconnect }
end