discourse/lib/tasks/emails.rake

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def process_popmail(popmail)
begin
mail_string = popmail.pop
Email::Receiver.new(mail_string).process
rescue
putc "!"
else
putc "."
end
end
desc "use this task to import a mailbox into Disourse"
task "emails:import" => :environment do
begin
unless SiteSetting.email_in
puts "ERROR: you should enable the 'email_in' site setting before running this task"
exit(1)
end
address = ENV["ADDRESS"].presence || "pop.gmail.com"
port = (ENV["PORT"].presence || 995).to_i
ssl = (ENV["SSL"].presence || "1") == "1"
username = ENV["USERNAME"].presence
password = ENV["PASSWORD"].presence
if username.blank?
puts "ERROR: expecting USERNAME=<username> rake emails:import"
exit(2)
elsif password.blank?
puts "ERROR: expecting PASSWORD=<password> rake emails:import"
exit(3)
end
RateLimiter.disable
mails_left = 1
pop3 = Net::POP3.new(address, port)
pop3.enable_ssl if ssl
while mails_left > 0
pop3.start(username, password) do |pop|
pop.delete_all do |p|
process_popmail(p)
end
mails_left = pop.n_mails
end
end
puts "Done"
rescue Net::POPAuthenticationError
puts "AUTH EXCEPTION: please make sure your credentials are correct."
exit(10)
ensure
RateLimiter.enable
end
end
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desc "Check if SMTP connection is successful and send test message"
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task 'emails:test', [:email] => [:environment] do |_, args|
email = args[:email]
message = "OK"
begin
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smtp = Discourse::Application.config.action_mailer.smtp_settings
if smtp[:address].match(/smtp\.gmail\.com/)
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puts <<~STR
#{smtp}
============================== WARNING ==============================
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Sending mail with Gmail is a violation of their terms of service.
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Sending with G Suite might work, but it is not recommended. For information see:
https://meta.discourse.org/t/dscourse-aws-ec2-g-suite-troubleshoting/62931?u=pfaffman
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========================= CONTINUING TEST ============================
STR
end
puts "Testing sending to #{email} using #{smtp[:user_name]}:#{smtp[:password]}@#{smtp[:address]}:#{smtp[:port]}."
Net::SMTP.start(smtp[:address], smtp[:port])
.auth_login(smtp[:user_name], smtp[:password])
rescue Exception => e
if e.to_s.match(/execution expired/)
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message = <<~STR
======================================== ERROR ========================================
Connection to port #{ENV["DISCOURSE_SMTP_PORT"]} failed.
====================================== SOLUTION =======================================
The most likely problem is that your server has outgoing SMTP traffic blocked.
If you are using a service like Mailgun or Sendgrid, try using port 2525.
=======================================================================================
STR
elsif e.to_s.match(/535/)
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message = <<~STR
======================================== ERROR ========================================
AUTHENTICATION FAILED
#{e}
====================================== SOLUTION =======================================
The most likely problem is that your SMTP username and/or Password is incorrect.
Check them and try again.
=======================================================================================
STR
j
elsif e.to_s.match(/Connection refused/)
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message = <<~STR
======================================== ERROR ========================================
CONNECTION REFUSED
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#{e}
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====================================== SOLUTION =======================================
The most likely problem is that you have chosen the wrong port or a network problem is
blocking access from the Docker container.
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Check the port and your networking configuration.
=======================================================================================
STR
elsif e.to_s.match(/service not known/)
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message = <<~STR
======================================== ERROR ========================================
SMTP SERVER NOT FOUND
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#{e}
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====================================== SOLUTION =======================================
The most likely problem is that the host name of your SMTP server is incorrect.
Check it and try again.
=======================================================================================
STR
else
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message = <<~STR
======================================== ERROR ========================================
UNEXPECTED ERROR
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#{e}
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====================================== SOLUTION =======================================
This is not a common error. No recommended solution exists!
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Please report the exact error message above. (And a solution, if you find one!)
=======================================================================================
STR
end
end
if message == "OK"
puts "SMTP server connection successful."
else
puts message
exit
end
begin
puts "Sending to #{email}. . . "
Email::Sender.new(TestMailer.send_test(email), :test_message).send
rescue
puts "Sending mail failed."
else
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puts <<~STR
Mail accepted by SMTP server.
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If you do not receive the message, check your SPAM folder
or test again using a service like http://www.mail-tester.com/.
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If the message is not delivered it is not a problem with Discourse.
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Check the SMTP server logs to see why it failed to deliver the message.
STR
end
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end