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# frozen_string_literal: false
require 'net/pop'
require 'test/unit'
require 'digest/md5'
class TestPOP < Test::Unit::TestCase
def setup
@users = {'user' => 'pass' }
@ok_user = 'user'
@stamp_base = "#{$$}.#{Time.now.to_i}@localhost"
end
def test_pop_auth_ok
pop_test(false) do |pop|
assert_instance_of Net::POP3, pop
assert_nothing_raised do
pop.start(@ok_user, @users[@ok_user])
end
end
end
def test_pop_auth_ng
pop_test(false) do |pop|
assert_instance_of Net::POP3, pop
assert_raise Net::POPAuthenticationError do
pop.start(@ok_user, 'bad password')
end
end
end
def test_apop_ok
pop_test(@stamp_base) do |pop|
assert_instance_of Net::APOP, pop
assert_nothing_raised do
pop.start(@ok_user, @users[@ok_user])
end
end
end
def test_apop_ng
pop_test(@stamp_base) do |pop|
assert_instance_of Net::APOP, pop
assert_raise Net::POPAuthenticationError do
pop.start(@ok_user, 'bad password')
end
end
end
def test_apop_invalid
pop_test("\x80"+@stamp_base) do |pop|
assert_instance_of Net::APOP, pop
assert_raise Net::POPAuthenticationError do
pop.start(@ok_user, @users[@ok_user])
end
end
end
def test_apop_invalid_at
pop_test(@stamp_base.sub('@', '.')) do |pop|
assert_instance_of Net::APOP, pop
assert_raise Net::POPAuthenticationError do
pop.start(@ok_user, @users[@ok_user])
end
end
end
def pop_test(apop=false)
host = 'localhost'
server = TCPServer.new(host, 0)
port = server.addr[1]
server_thread = Thread.start do
sock = server.accept
begin
pop_server_loop(sock, apop)
ensure
sock.close
end
end
client_thread = Thread.start do
begin
begin
pop = Net::POP3::APOP(apop).new(host, port)
#pop.set_debug_output $stderr
yield pop
ensure
begin
pop.finish
rescue IOError
raise unless $!.message == "POP session not yet started"
end
end
ensure
server.close
end
end
assert_join_threads([client_thread, server_thread])
end
def pop_server_loop(sock, apop)
if apop
sock.print "+OK ready <#{apop}>\r\n"
else
sock.print "+OK ready\r\n"
end
user = nil
while line = sock.gets
case line
when /^USER (.+)\r\n/
user = $1
if @users.key?(user)
sock.print "+OK\r\n"
else
sock.print "-ERR unknown user\r\n"
end
when /^PASS (.+)\r\n/
if @users[user] == $1
sock.print "+OK\r\n"
else
sock.print "-ERR invalid password\r\n"
end
when /^APOP (.+) (.+)\r\n/
user = $1
if apop && Digest::MD5.hexdigest("<#{apop}>#{@users[user]}") == $2
sock.print "+OK\r\n"
else
sock.print "-ERR authentication failed\r\n"
end
when /^QUIT/
sock.print "+OK bye\r\n"
return
else
sock.print "-ERR command not recognized\r\n"
return
end
end
end
end
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