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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 'mail'
require 'feedparser'
require 'feedparser/text-output'
require 'feedparser/html-output'
require 'base64'
require 'digest/md5'
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(config, item, id, updated, from = 'Feed2Imap', inline_images = false, wrapto = false)
message = Mail::new do
message_id id
to "#{from} <#{config.default_email}>"
from (
if item.creator and item.creator != ''
if item.creator.include?('@')
item.creator.chomp
else
"#{item.creator.chomp} <#{config.default_email}>"
end
else
"#{from} <#{config.default_email}>"
end
)
date item.date unless item.date.nil?
subject item.title or (item.date and item.date.to_s) or item.link
transport_encoding '8bit'
end
message['X-Feed2Imap-Version'] = F2I_VERSION if defined?(F2I_VERSION)
message['X-F2IStatus'] = 'Updated' if updated
textpart = htmlpart = nil
parts = config.parts
if parts.include?('text')
textpart = Mail::Part.new do
content_type 'text/plain; charset=utf-8; format=flowed'
content_transfer_encoding '8bit'
body item.to_text(true, wrapto, false)
end
end
if parts.include?('html')
htmlpart = Mail::Part.new do
content_type 'text/html; charset=utf-8'
content_transfer_encoding '8bit'
body item.to_html
end
end
# inline images as attachments
imgs = []
if inline_images
fetcher = HTTPFetcher.new
html = htmlpart.body.decoded
html.gsub!(/(<img[^>]+)src="(\S+?\/([^\/]+?\.(png|gif|jpe?g)))"([^>]*>)/i) do |match|
# $2 contains url, $3 the image name, $4 the image extension
begin
image = Base64.encode64(fetcher.fetch($2, Time.at(0)).chomp)
"#{$1}src=\"data:image/#{$4};base64,#{image}\"#{$5}"
rescue
@logger.error "Error while fetching image #{$2}: #{$!}..."
$& # don't modify on exception
end
end
htmlpart.body = html
end
if imgs.length > 0
# The old code explicitly used 'multipart/related' here, so force it
# We then have the structure "related: (alternative: text/html)/images"
#
# We could obtain easier code here, if 'alternative: text/html/images' would suffice.
message.content_type "multipart/related"
message.part do |p|
p.text_part = textpart
p.html_part = htmlpart
end
imgs.each do |i|
message.attachments[i[:name]] = i
end
else
# textpart/htmlpart are nil when not set
# Mail then ignores them if nil; if both are given it sets multipart/alternative
message.text_part = textpart
message.html_part = htmlpart
end
return message.to_s
end
|
