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# encoding: utf-8
# frozen_string_literal: true
module Mail
class Part < Message
# Creates a new empty Content-ID field and inserts it in the correct order
# into the Header. The ContentIdField object will automatically generate
# a unique content ID if you try and encode it or output it to_s without
# specifying a content id.
#
# It will preserve the content ID you specify if you do.
def add_content_id(content_id_val = '')
header['content-id'] = content_id_val
end
# Returns true if the part has a content ID field, the field may or may
# not have a value, but the field exists or not.
def has_content_id?
header.has_content_id?
end
def inline_content_id
# TODO: Deprecated in 2.2.2 - Remove in 2.3
STDERR.puts("Part#inline_content_id is deprecated, please call Part#cid instead")
cid
end
def cid
add_content_id unless has_content_id?
uri_escape(unbracket(content_id))
end
def url
"cid:#{cid}"
end
def inline?
header[:content_disposition].disposition_type == 'inline' if header[:content_disposition].respond_to?(:disposition_type)
end
def add_required_fields
super
add_content_id if !has_content_id? && inline?
end
def add_required_message_fields
# Override so we don't add Date, MIME-Version, or Message-ID.
end
def delivery_status_report_part?
(main_type =~ /message/i && sub_type =~ /delivery-status/i) && body =~ /Status:/
end
def delivery_status_data
delivery_status_report_part? ? parse_delivery_status_report : {}
end
def bounced?
if action.is_a?(Array)
!!(action.first =~ /failed/i)
else
!!(action =~ /failed/i)
end
end
# Either returns the action if the message has just a single report, or an
# array of all the actions, one for each report
def action
get_return_values('action')
end
def final_recipient
get_return_values('final-recipient')
end
def error_status
get_return_values('status')
end
def diagnostic_code
get_return_values('diagnostic-code')
end
def remote_mta
get_return_values('remote-mta')
end
def retryable?
!(error_status =~ /^5/)
end
private
def get_return_values(key)
if delivery_status_data[key].is_a?(Array)
delivery_status_data[key].map { |a| a.value }
elsif !delivery_status_data[key].nil?
delivery_status_data[key].value
else
nil
end
end
# A part may not have a header.... so, just init a body if no header
def parse_message
header_part, body_part = raw_source.split(/#{CRLF}#{WSP}*#{CRLF}/m, 2)
if header_part =~ HEADER_LINE
self.header = header_part
self.body = body_part
else
self.header = "Content-Type: text/plain\r\n"
self.body = raw_source
end
end
def parse_delivery_status_report
@delivery_status_data ||= Header.new(body.to_s.gsub("\r\n\r\n", "\r\n"))
end
end
end
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