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# encoding: utf-8
# frozen_string_literal: true
require 'mail/fields/named_structured_field'
module Mail
# trace = [return]
# 1*received
#
# return = "Return-Path:" path CRLF
#
# path = ([CFWS] "<" ([CFWS] / addr-spec) ">" [CFWS]) /
# obs-path
#
# received = "Received:" name-val-list ";" date-time CRLF
#
# name-val-list = [CFWS] [name-val-pair *(CFWS name-val-pair)]
#
# name-val-pair = item-name CFWS item-value
#
# item-name = ALPHA *(["-"] (ALPHA / DIGIT))
#
# item-value = 1*angle-addr / addr-spec /
# atom / domain / msg-id
class ReceivedField < NamedStructuredField #:nodoc:
NAME = 'Received'
def element
@element ||= Mail::ReceivedElement.new(value)
end
def date_time
@datetime ||= element.date_time
end
def info
element.info
end
def formatted_date
if date_time.respond_to? :strftime and date_time.respond_to? :zone
date_time.strftime("%a, %d %b %Y %H:%M:%S ") + date_time.zone.delete(':')
end
end
private
def do_encode
if Utilities.blank?(value)
"#{name}: \r\n"
else
"#{name}: #{info}; #{formatted_date}\r\n"
end
end
def do_decode
if Utilities.blank?(value)
""
else
"#{info}; #{formatted_date}"
end
end
end
end
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