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=begin
Feed2Imap - RSS/Atom Aggregator uploading to an IMAP Server
Copyright (c) 2005 Lucas Nussbaum <lucas@lucas-nussbaum.net>
This file contains classes to parse a feed and store it as a Channel object.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
=end
require 'rexml/document'
require 'time'
require 'rmail'
require 'feedparser'
require 'feedparser/text-output'
require 'feedparser/html-output'
require 'base64'
require 'feed2imap/rubymail_patch'
class String
def needMIME
utf8 = false
begin
self.unpack('U*').each do |c|
if c > 127
utf8 = true
break
end
end
rescue
# safe fallback in case of problems
utf8 = true
end
utf8
end
end
def item_to_mail(item, index, updated, from = 'Feed2Imap')
message = RMail::Message::new
if item.creator and item.creator != ''
if item.creator.include?('@')
message.header['From'] = item.creator.chomp
else
message.header['From'] = "#{item.creator.chomp} <feed2imap@acme.com>"
end
else
message.header['From'] = "#{from} <feed2imap@acme.com>"
end
message.header['To'] = "#{from} <feed2imap@acme.com>"
if item.date.nil?
message.header['Date'] = Time::new.rfc2822
else
message.header['Date'] = item.date.rfc2822
end
message.header['X-Feed2Imap-Version'] = F2I_VERSION if defined?(F2I_VERSION)
message.header['X-CacheIndex'] = "-#{index}-"
message.header['X-F2IStatus'] = "Updated" if updated
# treat subject. Might need MIME encoding.
subj = item.title or (item.date and item.date.to_s) or item.link
if subj
if subj.needMIME
message.header['Subject'] = "=?utf-8?b?#{Base64::encode64(subj).gsub("\n",'')}?="
else
message.header['Subject'] = subj
end
end
textpart = RMail::Message::new
textpart.header['Content-Type'] = 'text/plain; charset=utf-8'
textpart.header['Content-Transfer-Encoding'] = '8bit'
textpart.body = item.to_text
htmlpart = RMail::Message::new
htmlpart.header['Content-Type'] = 'text/html; charset=utf-8'
htmlpart.header['Content-Transfer-Encoding'] = '7bit'
if item.respond_to?(:to_html_with_headers)
htmlpart.body = item.to_html_with_headers
else
htmlpart.body = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><body>' + item.to_html + '</body></html>'
end
message.add_part(textpart)
message.add_part(htmlpart)
return message.to_s
end
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