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require 'mail'
module MailHandler
module Backends
module MailBackend
def backend()
'Mail'
end
# Note that the decode flag is not yet used
def mail_from_raw_email(data, decode=true)
Mail.new(data)
end
# Extracts all attachments from the given TNEF file as a Mail object
def mail_from_tnef(content)
main = Mail.new
tnef_attachments(content).each do |attachment|
main.add_file(attachment)
end
main.ready_to_send!
main
end
# Return a copy of the file name for the mail part
def get_part_file_name(part)
part_file_name = part.filename
part_file_name.nil? ? nil : part_file_name.dup
end
# Get the body of a mail part
def get_part_body(part)
part.body.decoded
end
# Return the first from field if any
def first_from(mail)
if mail[:from]
begin
mail[:from].addrs[0]
mail[:from].decoded
return mail[:from].addrs[0]
rescue
return mail[:from].value
end
else
nil
end
end
# Return the first from address if any
def get_from_address(mail)
first_from = first_from(mail)
if first_from
if first_from.is_a?(String)
return nil
else
return first_from.address
end
else
return nil
end
end
# Return the first from name if any
def get_from_name(mail)
first_from = first_from(mail)
if first_from
if first_from.is_a?(String)
return nil
else
return first_from.display_name ? eval(%Q{"#{first_from.display_name}"}) : nil
end
else
return nil
end
end
def get_all_addresses(mail)
envelope_to = mail['envelope-to'] ? [mail['envelope-to'].value] : []
((mail.to || []) +
(mail.cc || []) +
(envelope_to || [])).uniq
end
def empty_return_path?(mail)
return false if mail['return-path'].nil?
return true if mail['return-path'].value.blank?
return false
end
def get_auto_submitted(mail)
mail['auto-submitted'] ? mail['auto-submitted'].value : nil
end
def get_content_type(part)
part.content_type ? part.content_type.split(';')[0] : nil
end
def get_header_string(header, mail)
mail.header[header] ? mail.header[header].to_s : nil
end
# Format
def address_from_name_and_email(name, email)
if !MySociety::Validate.is_valid_email(email)
raise "invalid email " + email + " passed to address_from_name_and_email"
end
if name.nil?
return Mail::Address.new(email).to_s
end
address = Mail::Address.new
address.display_name = name
address.address = email
address.to_s
end
def address_from_string(string)
Mail::Address.new(string).address
end
end
end
end
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