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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
import logging
import os
from datetime import datetime, timedelta
import pytest
from testenv import Env, CurlClient
log = logging.getLogger(__name__)
@pytest.mark.skipif(condition=not Env.have_ssl_curl(), reason="curl without SSL")
class TestReuse:
# check if HTTP/1.1 handles 'Connection: close' correctly
@pytest.mark.parametrize("proto", ['http/1.1'])
def test_12_01_h1_conn_close(self, env: Env, httpd, configures_httpd, nghttpx, proto):
httpd.reset_config()
httpd.set_extra_config('base', [
'MaxKeepAliveRequests 1',
])
httpd.reload_if_config_changed()
count = 100
curl = CurlClient(env=env)
urln = f'https://{env.authority_for(env.domain1, proto)}/data.json?[0-{count-1}]'
r = curl.http_download(urls=[urln], alpn_proto=proto)
r.check_response(count=count, http_status=200)
# Server sends `Connection: close` on every 2nd request, requiring
# a new connection
delta = 5
assert (count/2 - delta) < r.total_connects < (count/2 + delta)
@pytest.mark.skipif(condition=Env.httpd_is_at_least('2.5.0'),
reason="httpd 2.5+ handles KeepAlives different")
@pytest.mark.parametrize("proto", ['http/1.1'])
def test_12_02_h1_conn_timeout(self, env: Env, httpd, configures_httpd, nghttpx, proto):
httpd.reset_config()
httpd.set_extra_config('base', [
'KeepAliveTimeout 1',
])
httpd.reload_if_config_changed()
count = 5
curl = CurlClient(env=env)
urln = f'https://{env.authority_for(env.domain1, proto)}/data.json?[0-{count-1}]'
r = curl.http_download(urls=[urln], alpn_proto=proto, extra_args=[
'--rate', '30/m',
])
r.check_response(count=count, http_status=200)
# Connections time out on server before we send another request,
assert r.total_connects == count
@pytest.mark.skipif(condition=not Env.have_h3(), reason="h3 not supported")
def test_12_03_as_follow_h2h3(self, env: Env, httpd, configures_httpd, nghttpx):
# write an alt-svc file that advises h3 instead of h2
asfile = os.path.join(env.gen_dir, 'alt-svc-12_03.txt')
self.create_asfile(asfile, f'h2 {env.domain1} {env.https_port} h3 {env.domain1} {env.h3_port}')
curl = CurlClient(env=env)
urln = f'https://{env.authority_for(env.domain1, "h2")}/data.json'
r = curl.http_download(urls=[urln], with_stats=True, extra_args=[
'--alt-svc', f'{asfile}',
])
r.check_response(count=1, http_status=200)
assert r.stats[0]['http_version'] == '3', f'{r.stats}'
@pytest.mark.skipif(condition=not Env.have_h3(), reason="h3 not supported")
def test_12_04_as_follow_h3h2(self, env: Env, httpd, configures_httpd, nghttpx):
count = 2
# write an alt-svc file the advises h2 instead of h3
asfile = os.path.join(env.gen_dir, 'alt-svc-12_04.txt')
ts = datetime.now() + timedelta(hours=24)
expires = f'{ts.year:04}{ts.month:02}{ts.day:02} {ts.hour:02}:{ts.minute:02}:{ts.second:02}'
with open(asfile, 'w') as fd:
fd.write(f'h3 {env.domain1} {env.https_port} h2 {env.domain1} {env.https_port} "{expires}" 0 0')
log.info(f'altscv: {open(asfile).readlines()}')
curl = CurlClient(env=env)
urln = f'https://{env.authority_for(env.domain1, "h3")}/data.json?[0-{count-1}]'
r = curl.http_download(urls=[urln], with_stats=True, extra_args=[
'--alt-svc', f'{asfile}', '--http3'
])
r.check_response(count=count, http_status=200)
# We expect the connection to be reused and use HTTP/2
assert r.total_connects == 1
for s in r.stats:
assert s['http_version'] == '2', f'{s}'
@pytest.mark.skipif(condition=not Env.have_h3(), reason="h3 not supported")
def test_12_05_as_follow_h3h1(self, env: Env, httpd, configures_httpd, nghttpx):
# With '--http3` an Alt-Svc redirection from h3 to h1 is allowed
count = 2
# write an alt-svc file the advises h1 instead of h3
asfile = os.path.join(env.gen_dir, 'alt-svc-12_05.txt')
ts = datetime.now() + timedelta(hours=24)
expires = f'{ts.year:04}{ts.month:02}{ts.day:02} {ts.hour:02}:{ts.minute:02}:{ts.second:02}'
with open(asfile, 'w') as fd:
fd.write(f'h3 {env.domain1} {env.https_port} http/1.1 {env.domain1} {env.https_port} "{expires}" 0 0')
log.info(f'altscv: {open(asfile).readlines()}')
curl = CurlClient(env=env)
urln = f'https://{env.authority_for(env.domain1, "h3")}/data.json?[0-{count-1}]'
r = curl.http_download(urls=[urln], with_stats=True, extra_args=[
'--alt-svc', f'{asfile}', '--http3'
])
r.check_response(count=count, http_status=200)
# We expect the connection to be reused and use HTTP/1.1
assert r.total_connects == 1
for s in r.stats:
assert s['http_version'] == '1.1', f'{s}'
@pytest.mark.skipif(condition=not Env.have_h3(), reason="h3 not supported")
def test_12_06_as_ignore_h3h1(self, env: Env, httpd, configures_httpd, nghttpx):
# With '--http3-only` an Alt-Svc redirection from h3 to h1 is ignored
count = 2
# write an alt-svc file the advises h1 instead of h3
asfile = os.path.join(env.gen_dir, 'alt-svc-12_05.txt')
ts = datetime.now() + timedelta(hours=24)
expires = f'{ts.year:04}{ts.month:02}{ts.day:02} {ts.hour:02}:{ts.minute:02}:{ts.second:02}'
with open(asfile, 'w') as fd:
fd.write(f'h3 {env.domain1} {env.https_port} http/1.1 {env.domain1} {env.https_port} "{expires}" 0 0')
log.info(f'altscv: {open(asfile).readlines()}')
curl = CurlClient(env=env)
urln = f'https://{env.authority_for(env.domain1, "h3")}/data.json?[0-{count-1}]'
r = curl.http_download(urls=[urln], with_stats=True, extra_args=[
'--alt-svc', f'{asfile}', '--http3-only'
])
r.check_response(count=count, http_status=200)
# We expect the connection to be stay on h3, since we used --http3-only
assert r.total_connects == 1
for s in r.stats:
assert s['http_version'] == '3', f'{s}'
@pytest.mark.skipif(condition=not Env.have_h3(), reason="h3 not supported")
def test_12_07_as_ignore_h2h3(self, env: Env, httpd, configures_httpd, nghttpx):
# With '--http2` an Alt-Svc redirection from h2 to h3 is ignored
# write an alt-svc file that advises h3 instead of h2
asfile = os.path.join(env.gen_dir, 'alt-svc-12_03.txt')
self.create_asfile(asfile, f'h2 {env.domain1} {env.https_port} h3 {env.domain1} {env.h3_port}')
curl = CurlClient(env=env)
urln = f'https://{env.authority_for(env.domain1, "h2")}/data.json'
r = curl.http_download(urls=[urln], with_stats=True, extra_args=[
'--alt-svc', f'{asfile}', '--http2'
])
r.check_response(count=1, http_status=200)
assert r.stats[0]['http_version'] == '2', f'{r.stats}'
def create_asfile(self, fpath, line):
ts = datetime.now() + timedelta(hours=24)
expires = f'{ts.year:04}{ts.month:02}{ts.day:02} {ts.hour:02}:{ts.minute:02}:{ts.second:02}'
with open(fpath, 'w') as fd:
fd.write(f'{line} "{expires}" 0 0')
log.info(f'altscv: {open(fpath).readlines()}')
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