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|
#
# pop.rb version 1.0.1
#
# author: Minero Aoki <aamine@dp.u-netsurf.ne.jp>
#
require 'net/session'
require 'md5'
module Net
class POP3Session < Session
attr :mails
def each() @mails.each{|m| yield m} end
private
def proto_initialize
@proto_type = POP3Command
@port = 110
@mails = [].freeze
end
def do_start( acnt, pwd )
@proto.auth( acnt, pwd )
@mails = []
@proto.list.each_with_index do |size,idx|
if size then
@mails.push POPMail.new( idx, size, @proto )
end
end
@mails.freeze
end
def do_finish
@proto.quit
end
class POPMail
def initialize( idx, siz, pro )
@num = idx
@size = siz
@proto = pro
@deleted = false
end
attr :size
def all( dest = '' )
@proto.retr( @num, dest )
end
alias pop all
alias mail all
def top( lines, dest = '' )
@proto.top( @num, lines, dest )
end
def header( dest = '' )
top( 0, dest )
end
def delete
@proto.dele( @num )
@deleted = true
end
alias delete! delete
def deleted?
@deleted
end
end
end
class APOPSession < POP3Session
def proto_initialize
super
@proto_type = APOPCommand
end
end
POPSession = POP3Session
POP3 = POP3Session
class POP3Command < Command
def auth( acnt, pass )
@socket.writeline( 'USER ' + acnt )
check_reply_auth
@socket.writeline( 'PASS ' + pass )
ret = check_reply_auth
return ret
end
def list
@socket.writeline( 'LIST' )
check_reply( SuccessCode )
arr = []
@socket.read_pendlist do |line|
num, siz = line.split( / +/o )
arr[ num.to_i ] = siz.to_i
end
return arr
end
def rset
@socket.writeline( 'RSET' )
check_reply( SuccessCode )
end
def top( num, lines = 0, dest = '' )
@socket.writeline( sprintf( 'TOP %d %d', num, lines ) )
check_reply( SuccessCode )
return @socket.read_pendstr( dest )
end
def retr( num, dest = '', &block )
@socket.writeline( sprintf( 'RETR %d', num ) )
check_reply( SuccessCode )
return @socket.read_pendstr( dest, &block )
end
def dele( num )
@socket.writeline( sprintf( 'DELE %s', num ) )
check_reply( SuccessCode )
end
private
def do_quit
@socket.writeline( 'QUIT' )
check_reply( SuccessCode )
end
def check_reply_auth
begin
cod = check_reply( SuccessCode )
rescue ProtocolError
raise ProtoAuthError, 'Fail to POP authentication'
end
return cod
end
def get_reply
str = @socket.readline
if /\A\+/ === str then
return SuccessCode.new( str[0,3], str[3, str.size - 3].strip )
else
return ErrorCode.new( str[0,4], str[4, str.size - 4].strip )
end
end
end
class APOPCommand < POP3Command
def initialize( sock )
rep = super( sock )
/<[^@]+@[^@>]+>/o === rep.msg
@stamp = $&
unless @stamp then
raise ProtoAuthError, "This is not APOP server: can't login"
end
end
def auth( acnt, pass )
@socket.writeline( "APOP #{acnt} #{digest(@stamp + pass)}" )
return check_reply_auth
end
def digest( str )
temp = MD5.new( str ).digest
ret = ''
temp.each_byte do |i|
ret << sprintf( '%02x', i )
end
return ret
end
end
unless Session::Version == '1.0.1' then
$stderr.puts "WARNING: wrong version of session.rb & pop.rb"
end
end
|
