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Feature #13379 » imap.patch

ahorek (Pavel Rosický), 03/28/2017 10:34 PM

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lib/net/imap.rb
require "monitor"
require "digest/md5"
require "strscan"
require 'net/protocol'
begin
require "openssl"
rescue LoadError
......
# Returns all response handlers.
attr_reader :response_handlers
# Seconds to wait until a connection is opened.
# If the IMAP object cannot open a connection within this time,
# it raises a Net::OpenTimeout exception. The default value is 30 seconds.
attr_reader :open_timeout
# Seconds to wait until reading one block (by one read(1) call).
# If the IMAP object cannot complete a read() within this time,
# it raises a Net::ReadTimeout exception. The default value is 60 seconds.
attr_reader :read_timeout
# The thread to receive exceptions.
attr_accessor :client_thread
......
# be installed.
# If options[:ssl] is a hash, it's passed to
# OpenSSL::SSL::SSLContext#set_params as parameters.
# open_timeout:: Seconds to wait until a connection is opened
# read_timeout:: Seconds to wait until reading one block
#
# The most common errors are:
#
......
@port = options[:port] || (options[:ssl] ? SSL_PORT : PORT)
@tag_prefix = "RUBY"
@tagno = 0
@open_timeout = options[:open_timeout] || 30
@read_timeout = options[:read_timeout] || 60
@parser = ResponseParser.new
@sock = TCPSocket.open(@host, @port)
@sock = Socket.tcp(@host, @port, :connect_timeout => @open_timeout)
begin
if options[:ssl]
start_tls_session(options[:ssl])
......
end
end
def get_response_data(length, terminator = nil)
str = nil
buff = String.new
while true
str = @sock.read_nonblock(length, :exception => false)
case str
when :wait_readable
@sock.to_io.wait_readable(@read_timeout) or
raise Net::ReadTimeout, "#{@host}:#{@port} read timeout (exceeds #{@read_timeout} seconds)"
when nil
break
else
buff.concat(str)
if terminator ? buff.include?(terminator) : (buff.length >= length)
break
end
end
end
buff
end
def get_response
buff = String.new
while true
s = @sock.gets(CRLF)
break unless s
s = get_response_data(1, CRLF)
break if s.length == 0
buff.concat(s)
if /\{(\d+)\}\r\n/n =~ s
s = @sock.read($1.to_i)
s = get_response_data($1.to_i)
buff.concat(s)
else
break
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