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684 lines
24 KiB
Python
684 lines
24 KiB
Python
"""Unittests for the various HTTPServer modules.
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Written by Cody A.W. Somerville <cody-somerville@ubuntu.com>,
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Josip Dzolonga, and Michael Otteneder for the 2007/08 GHOP contest.
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"""
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from http.server import BaseHTTPRequestHandler, HTTPServer, \
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SimpleHTTPRequestHandler, CGIHTTPRequestHandler
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from http import server
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import os
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import sys
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import re
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import base64
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import shutil
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import urllib.parse
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import http.client
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import tempfile
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from io import BytesIO
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import unittest
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from test import support
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threading = support.import_module('threading')
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class NoLogRequestHandler:
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def log_message(self, *args):
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# don't write log messages to stderr
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pass
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def read(self, n=None):
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return ''
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class TestServerThread(threading.Thread):
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def __init__(self, test_object, request_handler):
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threading.Thread.__init__(self)
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self.request_handler = request_handler
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self.test_object = test_object
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def run(self):
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self.server = HTTPServer(('localhost', 0), self.request_handler)
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self.test_object.HOST, self.test_object.PORT = self.server.socket.getsockname()
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self.test_object.server_started.set()
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self.test_object = None
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try:
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self.server.serve_forever(0.05)
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finally:
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self.server.server_close()
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def stop(self):
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self.server.shutdown()
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class BaseTestCase(unittest.TestCase):
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def setUp(self):
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self._threads = support.threading_setup()
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os.environ = support.EnvironmentVarGuard()
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self.server_started = threading.Event()
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self.thread = TestServerThread(self, self.request_handler)
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self.thread.start()
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self.server_started.wait()
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def tearDown(self):
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self.thread.stop()
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self.thread = None
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os.environ.__exit__()
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support.threading_cleanup(*self._threads)
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def request(self, uri, method='GET', body=None, headers={}):
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self.connection = http.client.HTTPConnection(self.HOST, self.PORT)
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self.connection.request(method, uri, body, headers)
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return self.connection.getresponse()
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class BaseHTTPServerTestCase(BaseTestCase):
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class request_handler(NoLogRequestHandler, BaseHTTPRequestHandler):
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protocol_version = 'HTTP/1.1'
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default_request_version = 'HTTP/1.1'
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def do_TEST(self):
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self.send_response(204)
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self.send_header('Content-Type', 'text/html')
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self.send_header('Connection', 'close')
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self.end_headers()
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def do_KEEP(self):
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self.send_response(204)
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self.send_header('Content-Type', 'text/html')
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self.send_header('Connection', 'keep-alive')
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self.end_headers()
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def do_KEYERROR(self):
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self.send_error(999)
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def do_CUSTOM(self):
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self.send_response(999)
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self.send_header('Content-Type', 'text/html')
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self.send_header('Connection', 'close')
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self.end_headers()
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def do_LATINONEHEADER(self):
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self.send_response(999)
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self.send_header('X-Special', 'Dängerous Mind')
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self.send_header('Connection', 'close')
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self.end_headers()
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body = self.headers['x-special-incoming'].encode('utf-8')
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self.wfile.write(body)
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def setUp(self):
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BaseTestCase.setUp(self)
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self.con = http.client.HTTPConnection(self.HOST, self.PORT)
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self.con.connect()
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def test_command(self):
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self.con.request('GET', '/')
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res = self.con.getresponse()
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self.assertEqual(res.status, 501)
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def test_request_line_trimming(self):
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self.con._http_vsn_str = 'HTTP/1.1\n'
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self.con.putrequest('GET', '/')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 501)
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def test_version_bogus(self):
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self.con._http_vsn_str = 'FUBAR'
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self.con.putrequest('GET', '/')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 400)
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def test_version_digits(self):
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self.con._http_vsn_str = 'HTTP/9.9.9'
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self.con.putrequest('GET', '/')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 400)
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def test_version_none_get(self):
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self.con._http_vsn_str = ''
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self.con.putrequest('GET', '/')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 501)
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def test_version_none(self):
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self.con._http_vsn_str = ''
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self.con.putrequest('PUT', '/')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 400)
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def test_version_invalid(self):
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self.con._http_vsn = 99
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self.con._http_vsn_str = 'HTTP/9.9'
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self.con.putrequest('GET', '/')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 505)
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def test_send_blank(self):
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self.con._http_vsn_str = ''
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self.con.putrequest('', '')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 400)
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def test_header_close(self):
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self.con.putrequest('GET', '/')
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self.con.putheader('Connection', 'close')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 501)
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def test_head_keep_alive(self):
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self.con._http_vsn_str = 'HTTP/1.1'
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self.con.putrequest('GET', '/')
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self.con.putheader('Connection', 'keep-alive')
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self.con.endheaders()
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res = self.con.getresponse()
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self.assertEqual(res.status, 501)
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def test_handler(self):
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self.con.request('TEST', '/')
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res = self.con.getresponse()
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self.assertEqual(res.status, 204)
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def test_return_header_keep_alive(self):
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self.con.request('KEEP', '/')
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res = self.con.getresponse()
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self.assertEqual(res.getheader('Connection'), 'keep-alive')
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self.con.request('TEST', '/')
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self.addCleanup(self.con.close)
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def test_internal_key_error(self):
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self.con.request('KEYERROR', '/')
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res = self.con.getresponse()
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self.assertEqual(res.status, 999)
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def test_return_custom_status(self):
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self.con.request('CUSTOM', '/')
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res = self.con.getresponse()
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self.assertEqual(res.status, 999)
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def test_latin1_header(self):
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self.con.request('LATINONEHEADER', '/', headers={
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'X-Special-Incoming': 'Ärger mit Unicode'
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})
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res = self.con.getresponse()
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self.assertEqual(res.getheader('X-Special'), 'Dängerous Mind')
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self.assertEqual(res.read(), 'Ärger mit Unicode'.encode('utf-8'))
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class SimpleHTTPServerTestCase(BaseTestCase):
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class request_handler(NoLogRequestHandler, SimpleHTTPRequestHandler):
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pass
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def setUp(self):
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BaseTestCase.setUp(self)
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self.cwd = os.getcwd()
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basetempdir = tempfile.gettempdir()
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os.chdir(basetempdir)
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self.data = b'We are the knights who say Ni!'
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self.tempdir = tempfile.mkdtemp(dir=basetempdir)
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self.tempdir_name = os.path.basename(self.tempdir)
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with open(os.path.join(self.tempdir, 'test'), 'wb') as temp:
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temp.write(self.data)
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def tearDown(self):
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try:
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os.chdir(self.cwd)
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try:
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shutil.rmtree(self.tempdir)
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except:
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pass
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finally:
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BaseTestCase.tearDown(self)
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def check_status_and_reason(self, response, status, data=None):
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body = response.read()
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self.assertTrue(response)
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self.assertEqual(response.status, status)
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self.assertIsNotNone(response.reason)
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if data:
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self.assertEqual(data, body)
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def test_get(self):
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#constructs the path relative to the root directory of the HTTPServer
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response = self.request(self.tempdir_name + '/test')
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self.check_status_and_reason(response, 200, data=self.data)
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response = self.request(self.tempdir_name + '/')
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self.check_status_and_reason(response, 200)
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response = self.request(self.tempdir_name)
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self.check_status_and_reason(response, 301)
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response = self.request('/ThisDoesNotExist')
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self.check_status_and_reason(response, 404)
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response = self.request('/' + 'ThisDoesNotExist' + '/')
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self.check_status_and_reason(response, 404)
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with open(os.path.join(self.tempdir_name, 'index.html'), 'w') as f:
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response = self.request('/' + self.tempdir_name + '/')
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self.check_status_and_reason(response, 200)
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# chmod() doesn't work as expected on Windows, and filesystem
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# permissions are ignored by root on Unix.
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if os.name == 'posix' and os.geteuid() != 0:
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os.chmod(self.tempdir, 0)
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response = self.request(self.tempdir_name + '/')
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self.check_status_and_reason(response, 404)
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os.chmod(self.tempdir, 0o755)
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def test_head(self):
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response = self.request(
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self.tempdir_name + '/test', method='HEAD')
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self.check_status_and_reason(response, 200)
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self.assertEqual(response.getheader('content-length'),
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str(len(self.data)))
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self.assertEqual(response.getheader('content-type'),
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'application/octet-stream')
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def test_invalid_requests(self):
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response = self.request('/', method='FOO')
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self.check_status_and_reason(response, 501)
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# requests must be case sensitive,so this should fail too
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response = self.request('/', method='get')
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self.check_status_and_reason(response, 501)
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response = self.request('/', method='GETs')
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self.check_status_and_reason(response, 501)
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cgi_file1 = """\
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#!%s
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print("Content-type: text/html")
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print()
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print("Hello World")
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"""
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cgi_file2 = """\
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#!%s
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import cgi
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print("Content-type: text/html")
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print()
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form = cgi.FieldStorage()
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print("%%s, %%s, %%s" %% (form.getfirst("spam"), form.getfirst("eggs"),
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form.getfirst("bacon")))
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"""
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@unittest.skipIf(hasattr(os, 'geteuid') and os.geteuid() == 0,
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"This test can't be run reliably as root (issue #13308).")
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class CGIHTTPServerTestCase(BaseTestCase):
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class request_handler(NoLogRequestHandler, CGIHTTPRequestHandler):
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pass
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linesep = os.linesep.encode('ascii')
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def setUp(self):
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BaseTestCase.setUp(self)
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self.cwd = os.getcwd()
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self.parent_dir = tempfile.mkdtemp()
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self.cgi_dir = os.path.join(self.parent_dir, 'cgi-bin')
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os.mkdir(self.cgi_dir)
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self.file1_path = None
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self.file2_path = None
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# The shebang line should be pure ASCII: use symlink if possible.
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# See issue #7668.
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if support.can_symlink():
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self.pythonexe = os.path.join(self.parent_dir, 'python')
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os.symlink(sys.executable, self.pythonexe)
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else:
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self.pythonexe = sys.executable
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try:
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# The python executable path is written as the first line of the
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# CGI Python script. The encoding cookie cannot be used, and so the
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# path should be encodable to the default script encoding (utf-8)
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self.pythonexe.encode('utf-8')
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except UnicodeEncodeError:
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self.tearDown()
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self.skipTest("Python executable path is not encodable to utf-8")
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self.file1_path = os.path.join(self.cgi_dir, 'file1.py')
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with open(self.file1_path, 'w', encoding='utf-8') as file1:
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file1.write(cgi_file1 % self.pythonexe)
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os.chmod(self.file1_path, 0o777)
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self.file2_path = os.path.join(self.cgi_dir, 'file2.py')
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with open(self.file2_path, 'w', encoding='utf-8') as file2:
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file2.write(cgi_file2 % self.pythonexe)
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os.chmod(self.file2_path, 0o777)
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os.chdir(self.parent_dir)
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def tearDown(self):
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try:
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os.chdir(self.cwd)
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if self.pythonexe != sys.executable:
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os.remove(self.pythonexe)
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if self.file1_path:
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os.remove(self.file1_path)
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if self.file2_path:
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os.remove(self.file2_path)
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os.rmdir(self.cgi_dir)
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os.rmdir(self.parent_dir)
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finally:
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BaseTestCase.tearDown(self)
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def test_url_collapse_path(self):
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# verify tail is the last portion and head is the rest on proper urls
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test_vectors = {
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'': '//',
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'..': IndexError,
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'/.//..': IndexError,
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'/': '//',
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'//': '//',
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'/\\': '//\\',
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'/.//': '//',
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'cgi-bin/file1.py': '/cgi-bin/file1.py',
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'/cgi-bin/file1.py': '/cgi-bin/file1.py',
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'a': '//a',
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'/a': '//a',
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'//a': '//a',
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'./a': '//a',
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'./C:/': '/C:/',
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'/a/b': '/a/b',
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'/a/b/': '/a/b/',
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'/a/b/.': '/a/b/',
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'/a/b/c/..': '/a/b/',
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'/a/b/c/../d': '/a/b/d',
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'/a/b/c/../d/e/../f': '/a/b/d/f',
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'/a/b/c/../d/e/../../f': '/a/b/f',
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'/a/b/c/../d/e/.././././..//f': '/a/b/f',
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'../a/b/c/../d/e/.././././..//f': IndexError,
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'/a/b/c/../d/e/../../../f': '/a/f',
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'/a/b/c/../d/e/../../../../f': '//f',
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'/a/b/c/../d/e/../../../../../f': IndexError,
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'/a/b/c/../d/e/../../../../f/..': '//',
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'/a/b/c/../d/e/../../../../f/../.': '//',
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}
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for path, expected in test_vectors.items():
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if isinstance(expected, type) and issubclass(expected, Exception):
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self.assertRaises(expected,
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server._url_collapse_path, path)
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else:
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actual = server._url_collapse_path(path)
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self.assertEqual(expected, actual,
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msg='path = %r\nGot: %r\nWanted: %r' %
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(path, actual, expected))
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def test_headers_and_content(self):
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res = self.request('/cgi-bin/file1.py')
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self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
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(res.read(), res.getheader('Content-type'), res.status))
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def test_post(self):
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params = urllib.parse.urlencode(
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{'spam' : 1, 'eggs' : 'python', 'bacon' : 123456})
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headers = {'Content-type' : 'application/x-www-form-urlencoded'}
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res = self.request('/cgi-bin/file2.py', 'POST', params, headers)
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self.assertEqual(res.read(), b'1, python, 123456' + self.linesep)
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def test_invaliduri(self):
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res = self.request('/cgi-bin/invalid')
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res.read()
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self.assertEqual(res.status, 404)
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def test_authorization(self):
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headers = {b'Authorization' : b'Basic ' +
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base64.b64encode(b'username:pass')}
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res = self.request('/cgi-bin/file1.py', 'GET', headers=headers)
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self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
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(res.read(), res.getheader('Content-type'), res.status))
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def test_no_leading_slash(self):
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# http://bugs.python.org/issue2254
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res = self.request('cgi-bin/file1.py')
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self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
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(res.read(), res.getheader('Content-type'), res.status))
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def test_os_environ_is_not_altered(self):
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signature = "Test CGI Server"
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os.environ['SERVER_SOFTWARE'] = signature
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res = self.request('/cgi-bin/file1.py')
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self.assertEqual((b'Hello World' + self.linesep, 'text/html', 200),
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(res.read(), res.getheader('Content-type'), res.status))
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self.assertEqual(os.environ['SERVER_SOFTWARE'], signature)
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class SocketlessRequestHandler(SimpleHTTPRequestHandler):
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def __init__(self):
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self.get_called = False
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self.protocol_version = "HTTP/1.1"
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def do_GET(self):
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self.get_called = True
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self.send_response(200)
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self.send_header('Content-Type', 'text/html')
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self.end_headers()
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self.wfile.write(b'<html><body>Data</body></html>\r\n')
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def log_message(self, format, *args):
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pass
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class RejectingSocketlessRequestHandler(SocketlessRequestHandler):
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def handle_expect_100(self):
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self.send_error(417)
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return False
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class AuditableBytesIO:
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def __init__(self):
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self.datas = []
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def write(self, data):
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self.datas.append(data)
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def getData(self):
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return b''.join(self.datas)
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@property
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def numWrites(self):
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return len(self.datas)
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class BaseHTTPRequestHandlerTestCase(unittest.TestCase):
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"""Test the functionality of the BaseHTTPServer.
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Test the support for the Expect 100-continue header.
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"""
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HTTPResponseMatch = re.compile(b'HTTP/1.[0-9]+ 200 OK')
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def setUp (self):
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self.handler = SocketlessRequestHandler()
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def send_typical_request(self, message):
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input = BytesIO(message)
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output = BytesIO()
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self.handler.rfile = input
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self.handler.wfile = output
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self.handler.handle_one_request()
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output.seek(0)
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return output.readlines()
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def verify_get_called(self):
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self.assertTrue(self.handler.get_called)
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def verify_expected_headers(self, headers):
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for fieldName in b'Server: ', b'Date: ', b'Content-Type: ':
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self.assertEqual(sum(h.startswith(fieldName) for h in headers), 1)
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def verify_http_server_response(self, response):
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match = self.HTTPResponseMatch.search(response)
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self.assertTrue(match is not None)
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def test_http_1_1(self):
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result = self.send_typical_request(b'GET / HTTP/1.1\r\n\r\n')
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self.verify_http_server_response(result[0])
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self.verify_expected_headers(result[1:-1])
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self.verify_get_called()
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self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')
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def test_http_1_0(self):
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result = self.send_typical_request(b'GET / HTTP/1.0\r\n\r\n')
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self.verify_http_server_response(result[0])
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self.verify_expected_headers(result[1:-1])
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self.verify_get_called()
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self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')
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|
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def test_http_0_9(self):
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result = self.send_typical_request(b'GET / HTTP/0.9\r\n\r\n')
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self.assertEqual(len(result), 1)
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self.assertEqual(result[0], b'<html><body>Data</body></html>\r\n')
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self.verify_get_called()
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|
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def test_with_continue_1_0(self):
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|
result = self.send_typical_request(b'GET / HTTP/1.0\r\nExpect: 100-continue\r\n\r\n')
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self.verify_http_server_response(result[0])
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|
self.verify_expected_headers(result[1:-1])
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|
self.verify_get_called()
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self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')
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|
|
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def test_with_continue_1_1(self):
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result = self.send_typical_request(b'GET / HTTP/1.1\r\nExpect: 100-continue\r\n\r\n')
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self.assertEqual(result[0], b'HTTP/1.1 100 Continue\r\n')
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self.assertEqual(result[1], b'HTTP/1.1 200 OK\r\n')
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self.verify_expected_headers(result[2:-1])
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|
self.verify_get_called()
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|
self.assertEqual(result[-1], b'<html><body>Data</body></html>\r\n')
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|
|
|
def test_header_buffering_of_send_error(self):
|
|
|
|
input = BytesIO(b'GET / HTTP/1.1\r\n\r\n')
|
|
output = AuditableBytesIO()
|
|
handler = SocketlessRequestHandler()
|
|
handler.rfile = input
|
|
handler.wfile = output
|
|
handler.request_version = 'HTTP/1.1'
|
|
handler.requestline = ''
|
|
handler.command = None
|
|
|
|
handler.send_error(418)
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|
self.assertEqual(output.numWrites, 2)
|
|
|
|
def test_header_buffering_of_send_response_only(self):
|
|
|
|
input = BytesIO(b'GET / HTTP/1.1\r\n\r\n')
|
|
output = AuditableBytesIO()
|
|
handler = SocketlessRequestHandler()
|
|
handler.rfile = input
|
|
handler.wfile = output
|
|
handler.request_version = 'HTTP/1.1'
|
|
|
|
handler.send_response_only(418)
|
|
self.assertEqual(output.numWrites, 0)
|
|
handler.end_headers()
|
|
self.assertEqual(output.numWrites, 1)
|
|
|
|
def test_header_buffering_of_send_header(self):
|
|
|
|
input = BytesIO(b'GET / HTTP/1.1\r\n\r\n')
|
|
output = AuditableBytesIO()
|
|
handler = SocketlessRequestHandler()
|
|
handler.rfile = input
|
|
handler.wfile = output
|
|
handler.request_version = 'HTTP/1.1'
|
|
|
|
handler.send_header('Foo', 'foo')
|
|
handler.send_header('bar', 'bar')
|
|
self.assertEqual(output.numWrites, 0)
|
|
handler.end_headers()
|
|
self.assertEqual(output.getData(), b'Foo: foo\r\nbar: bar\r\n\r\n')
|
|
self.assertEqual(output.numWrites, 1)
|
|
|
|
def test_header_unbuffered_when_continue(self):
|
|
|
|
def _readAndReseek(f):
|
|
pos = f.tell()
|
|
f.seek(0)
|
|
data = f.read()
|
|
f.seek(pos)
|
|
return data
|
|
|
|
input = BytesIO(b'GET / HTTP/1.1\r\nExpect: 100-continue\r\n\r\n')
|
|
output = BytesIO()
|
|
self.handler.rfile = input
|
|
self.handler.wfile = output
|
|
self.handler.request_version = 'HTTP/1.1'
|
|
|
|
self.handler.handle_one_request()
|
|
self.assertNotEqual(_readAndReseek(output), b'')
|
|
result = _readAndReseek(output).split(b'\r\n')
|
|
self.assertEqual(result[0], b'HTTP/1.1 100 Continue')
|
|
self.assertEqual(result[1], b'HTTP/1.1 200 OK')
|
|
|
|
def test_with_continue_rejected(self):
|
|
usual_handler = self.handler # Save to avoid breaking any subsequent tests.
|
|
self.handler = RejectingSocketlessRequestHandler()
|
|
result = self.send_typical_request(b'GET / HTTP/1.1\r\nExpect: 100-continue\r\n\r\n')
|
|
self.assertEqual(result[0], b'HTTP/1.1 417 Expectation Failed\r\n')
|
|
self.verify_expected_headers(result[1:-1])
|
|
# The expect handler should short circuit the usual get method by
|
|
# returning false here, so get_called should be false
|
|
self.assertFalse(self.handler.get_called)
|
|
self.assertEqual(sum(r == b'Connection: close\r\n' for r in result[1:-1]), 1)
|
|
self.handler = usual_handler # Restore to avoid breaking any subsequent tests.
|
|
|
|
def test_request_length(self):
|
|
# Issue #10714: huge request lines are discarded, to avoid Denial
|
|
# of Service attacks.
|
|
result = self.send_typical_request(b'GET ' + b'x' * 65537)
|
|
self.assertEqual(result[0], b'HTTP/1.1 414 Request-URI Too Long\r\n')
|
|
self.assertFalse(self.handler.get_called)
|
|
|
|
def test_header_length(self):
|
|
# Issue #6791: same for headers
|
|
result = self.send_typical_request(
|
|
b'GET / HTTP/1.1\r\nX-Foo: bar' + b'r' * 65537 + b'\r\n\r\n')
|
|
self.assertEqual(result[0], b'HTTP/1.1 400 Line too long\r\n')
|
|
self.assertFalse(self.handler.get_called)
|
|
|
|
class SimpleHTTPRequestHandlerTestCase(unittest.TestCase):
|
|
""" Test url parsing """
|
|
def setUp(self):
|
|
self.translated = os.getcwd()
|
|
self.translated = os.path.join(self.translated, 'filename')
|
|
self.handler = SocketlessRequestHandler()
|
|
|
|
def test_query_arguments(self):
|
|
path = self.handler.translate_path('/filename')
|
|
self.assertEqual(path, self.translated)
|
|
path = self.handler.translate_path('/filename?foo=bar')
|
|
self.assertEqual(path, self.translated)
|
|
path = self.handler.translate_path('/filename?a=b&spam=eggs#zot')
|
|
self.assertEqual(path, self.translated)
|
|
|
|
def test_start_with_double_slash(self):
|
|
path = self.handler.translate_path('//filename')
|
|
self.assertEqual(path, self.translated)
|
|
path = self.handler.translate_path('//filename?foo=bar')
|
|
self.assertEqual(path, self.translated)
|
|
|
|
|
|
def test_main(verbose=None):
|
|
cwd = os.getcwd()
|
|
try:
|
|
support.run_unittest(
|
|
BaseHTTPRequestHandlerTestCase,
|
|
BaseHTTPServerTestCase,
|
|
SimpleHTTPServerTestCase,
|
|
CGIHTTPServerTestCase,
|
|
SimpleHTTPRequestHandlerTestCase,
|
|
)
|
|
finally:
|
|
os.chdir(cwd)
|
|
|
|
if __name__ == '__main__':
|
|
test_main()
|