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=begin
Feed2Imap - RSS/Atom Aggregator uploading to an IMAP Server
Copyright (c) 2005 Lucas Nussbaum <lucas@lucas-nussbaum.net>
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
# Imap connection handling
require 'net/imap'
begin
require 'openssl'
rescue
end
require 'uri'
# This class is a container of IMAP accounts.
# Thanks to it, accounts are re-used : several feeds
# using the same IMAP account will create only one
# IMAP connection.
class ImapAccounts < Hash
def add_account(uri)
u = URI::Generic::build({ :scheme => uri.scheme,
:userinfo => uri.userinfo,
:host => uri.host,
:port => uri.port })
if not include?(u)
ac = ImapAccount::new(u)
self[u] = ac
end
return self[u]
end
end
# This class is an IMAP account, with the given fd
# once the connection has been established
class ImapAccount
attr_reader :uri
def initialize(uri)
@uri = uri
end
# connects to the IMAP server
# raises an exception if it fails
def connect
port = 143
usessl = false
if uri.scheme == 'imap'
port = 143
usessl = false
elsif uri.scheme == 'imaps'
port = 993
usessl = true
else
raise "Unknown scheme: #{uri.scheme}"
end
# use given port if port given
port = uri.port if uri.port
@connection = Net::IMAP::new(uri.host, port, usessl)
user, password = uri.userinfo.split(':',2)
@connection.login(user, password)
end
# disconnect from the IMAP server
def disconnect
@connection.disconnect if @connection
end
# Returns true if the folder exist
def folder_exist?(folder)
return !@connection.list('', folder).nil?
end
# Creates the given folder
def create_folder(folder)
@connection.create(folder)
@connection.subscribe(folder)
self
end
# Put the mail in the given folder
# You should check whether the folder exist first.
def putmail(folder, mail)
# TODO check response
@connection.append(folder, mail)
end
def updatemail(folder, mail, idx)
# TODO check response
# TODO keep flags of deleted mail
@connection.select(folder)
searchres = @connection.search(['HEADER', 'X-CacheIndex', "-#{idx}-"])
if searchres.length == 1
@connection.store(searchres[0], "+FLAGS", [:Deleted])
@connection.expunge
elsif searchres.length != 0
raise "Search returned multiple results !!"
end
putmail(folder, mail)
end
def to_s
uri.to_s
end
end
|
