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| | # Copyright (C) 2013-2016 all contributors <yahns-public@yhbt.net>
# License: GPL-3.0+ (https://www.gnu.org/licenses/gpl-3.0.txt)
# frozen_string_literal: true
require_relative 'server_helper'
class TestRackHijack < Testcase
ENV["N"].to_i > 1 and parallelize_me!
include ServerHelper
alias setup server_helper_setup
alias teardown server_helper_teardown
HIJACK_APP = lambda { |env|
case env["PATH_INFO"]
when "/hijack_input"
io = env["rack.hijack"].call
env["rack.hijack_io"].write("HTTP/1.0 201 OK\r\n\r\n")
io.write("rack.input contents: #{env['rack.input'].read}")
io.close
return [ 500, {}, DieIfUsed.new ]
when "/hijack_req"
io = env["rack.hijack"].call
if io.respond_to?(:read_nonblock) &&
env["rack.hijack_io"].respond_to?(:read_nonblock)
# exercise both, since we Rack::Lint may use different objects
env["rack.hijack_io"].write("HTTP/1.0 200 OK\r\n\r\n")
io.write("request.hijacked")
io.close
return [ 500, {}, DieIfUsed.new ]
end
[ 500, {}, [ "hijack BAD\n" ] ]
when "/hijack_res"
r = "response.hijacked"
[ 200,
{
"X-Test" => "zzz",
"Content-Length" => r.bytesize.to_s,
"rack.hijack" => proc { |x| x.write(r); x.close }
},
DieIfUsed.new
]
end
}
def test_hijack
err = @err
cfg = Yahns::Config.new
host, port = @srv.addr[3], @srv.addr[1]
cfg.instance_eval do
GTL.synchronize { app(:rack, HIJACK_APP) { listen "#{host}:#{port}" } }
logger(Logger.new(err.path))
stderr_path err.path
end
pid = mkserver(cfg)
res = Net::HTTP.start(host, port) { |h| h.get("/hijack_req") }
wait_for_msg = lambda do |n|
tries = 10000
begin
Thread.new { Thread.pass }.join # calls sched_yield() on MRI
end until File.readlines(err.path).grep(/DieIfUsed/).size >= n ||
(tries -= 1) < 0
end
assert_equal "request.hijacked", res.body
assert_equal 200, res.code.to_i
assert_equal "1.0", res.http_version
wait_for_msg.call(1)
res = Net::HTTP.start(host, port) { |h| h.get("/hijack_res") }
assert_equal "response.hijacked", res.body
assert_equal 200, res.code.to_i
assert_equal "zzz", res["X-Test"]
assert_equal "1.1", res.http_version
wait_for_msg.call(2)
errs = File.readlines(err.path).grep(/DieIfUsed/)
assert_equal([ "INFO #{pid} closed DieIfUsed 1\n",
"INFO #{pid} closed DieIfUsed 2\n" ], errs)
res = Net::HTTP.start(host, port) do |h|
hdr = { "Content-Type" => 'application/octet-stream' }
h.put("/hijack_input", "BLAH", hdr)
end
assert_equal "rack.input contents: BLAH", res.body
assert_equal 201, res.code.to_i
assert_equal "1.0", res.http_version
# ancient "HTTP/0.9"
c = get_tcp_client(host, port)
c.write("GET /hijack_res\r\n\r\n")
res = Timeout.timeout(30) { c.read }
assert_equal 'response.hijacked', res
ensure
quit_wait(pid)
end
end
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