import os
import threading
import time
import socket
import pytest
import cherrypy
from cherrypy._cpcompat import (
copykeys, json_decode,
HTTPConnection, HTTPSConnection
)
from cherrypy.lib import sessions
from cherrypy.lib import reprconf
from cherrypy.lib.httputil import response_codes
from cherrypy.test import helper
localDir = os.path.dirname(__file__)
[docs]def http_methods_allowed(methods=['GET', 'HEAD']):
method = cherrypy.request.method.upper()
if method not in methods:
cherrypy.response.headers['Allow'] = ', '.join(methods)
raise cherrypy.HTTPError(405)
cherrypy.tools.allow = cherrypy.Tool('on_start_resource', http_methods_allowed)
[docs]def setup_server():
@cherrypy.config(**{
'tools.sessions.on': True,
'tools.sessions.storage_class': sessions.RamSession,
'tools.sessions.storage_path': localDir,
'tools.sessions.timeout': (1.0 / 60),
'tools.sessions.clean_freq': (1.0 / 60),
})
class Root:
@cherrypy.expose
def clear(self):
cherrypy.session.cache.clear()
@cherrypy.expose
def data(self):
cherrypy.session['aha'] = 'foo'
return repr(cherrypy.session._data)
@cherrypy.expose
def testGen(self):
counter = cherrypy.session.get('counter', 0) + 1
cherrypy.session['counter'] = counter
yield str(counter)
@cherrypy.expose
def testStr(self):
counter = cherrypy.session.get('counter', 0) + 1
cherrypy.session['counter'] = counter
return str(counter)
@cherrypy.expose
@cherrypy.config(**{'tools.sessions.on': False})
def set_session_cls(self, new_cls_name):
new_cls = reprconf.attributes(new_cls_name)
cfg = {'tools.sessions.storage_class': new_cls}
self.__class__._cp_config.update(cfg)
if hasattr(cherrypy, 'session'):
del cherrypy.session
if new_cls.clean_thread:
new_cls.clean_thread.stop()
new_cls.clean_thread.unsubscribe()
del new_cls.clean_thread
@cherrypy.expose
def index(self):
sess = cherrypy.session
c = sess.get('counter', 0) + 1
time.sleep(0.01)
sess['counter'] = c
return str(c)
@cherrypy.expose
def keyin(self, key):
return str(key in cherrypy.session)
@cherrypy.expose
def delete(self):
cherrypy.session.delete()
sessions.expire()
return 'done'
@cherrypy.expose
def delkey(self, key):
del cherrypy.session[key]
return 'OK'
@cherrypy.expose
def redir_target(self):
return self._cp_config['tools.sessions.storage_class'].__name__
@cherrypy.expose
def iredir(self):
raise cherrypy.InternalRedirect('/redir_target')
@cherrypy.expose
@cherrypy.config(**{
'tools.allow.on': True,
'tools.allow.methods': ['GET'],
})
def restricted(self):
return cherrypy.request.method
@cherrypy.expose
def regen(self):
cherrypy.tools.sessions.regenerate()
return 'logged in'
@cherrypy.expose
def length(self):
return str(len(cherrypy.session))
@cherrypy.expose
@cherrypy.config(**{
'tools.sessions.path': '/session_cookie',
'tools.sessions.name': 'temp',
'tools.sessions.persistent': False,
})
def session_cookie(self):
# Must load() to start the clean thread.
cherrypy.session.load()
return cherrypy.session.id
cherrypy.tree.mount(Root())
[docs]class SessionTest(helper.CPWebCase):
setup_server = staticmethod(setup_server)
[docs] def tearDown(self):
# Clean up sessions.
for fname in os.listdir(localDir):
if fname.startswith(sessions.FileSession.SESSION_PREFIX):
os.unlink(os.path.join(localDir, fname))
@pytest.mark.xfail(reason='#1534')
[docs] def test_0_Session(self):
self.getPage('/set_session_cls/cherrypy.lib.sessions.RamSession')
self.getPage('/clear')
# Test that a normal request gets the same id in the cookies.
# Note: this wouldn't work if /data didn't load the session.
self.getPage('/data')
self.assertBody("{'aha': 'foo'}")
c = self.cookies[0]
self.getPage('/data', self.cookies)
self.assertEqual(self.cookies[0], c)
self.getPage('/testStr')
self.assertBody('1')
cookie_parts = dict([p.strip().split('=')
for p in self.cookies[0][1].split(';')])
# Assert there is an 'expires' param
self.assertEqual(set(cookie_parts.keys()),
set(['session_id', 'expires', 'Path']))
self.getPage('/testGen', self.cookies)
self.assertBody('2')
self.getPage('/testStr', self.cookies)
self.assertBody('3')
self.getPage('/data', self.cookies)
self.assertDictEqual(json_decode(self.body),
{'counter': 3, 'aha': 'foo'})
self.getPage('/length', self.cookies)
self.assertBody('2')
self.getPage('/delkey?key=counter', self.cookies)
self.assertStatus(200)
self.getPage('/set_session_cls/cherrypy.lib.sessions.FileSession')
self.getPage('/testStr')
self.assertBody('1')
self.getPage('/testGen', self.cookies)
self.assertBody('2')
self.getPage('/testStr', self.cookies)
self.assertBody('3')
self.getPage('/delkey?key=counter', self.cookies)
self.assertStatus(200)
# Wait for the session.timeout (1 second)
time.sleep(2)
self.getPage('/')
self.assertBody('1')
self.getPage('/length', self.cookies)
self.assertBody('1')
# Test session __contains__
self.getPage('/keyin?key=counter', self.cookies)
self.assertBody('True')
cookieset1 = self.cookies
# Make a new session and test __len__ again
self.getPage('/')
self.getPage('/length', self.cookies)
self.assertBody('2')
# Test session delete
self.getPage('/delete', self.cookies)
self.assertBody('done')
self.getPage('/delete', cookieset1)
self.assertBody('done')
f = lambda: [
x for x in os.listdir(localDir) if x.startswith('session-')]
self.assertEqual(f(), [])
# Wait for the cleanup thread to delete remaining session files
self.getPage('/')
f = lambda: [
x for x in os.listdir(localDir) if x.startswith('session-')]
self.assertNotEqual(f(), [])
time.sleep(2)
self.assertEqual(f(), [])
[docs] def test_1_Ram_Concurrency(self):
self.getPage('/set_session_cls/cherrypy.lib.sessions.RamSession')
self._test_Concurrency()
@pytest.mark.xfail(reason='#1306')
[docs] def test_2_File_Concurrency(self):
self.getPage('/set_session_cls/cherrypy.lib.sessions.FileSession')
self._test_Concurrency()
def _test_Concurrency(self):
client_thread_count = 5
request_count = 30
# Get initial cookie
self.getPage('/')
self.assertBody('1')
cookies = self.cookies
data_dict = {}
errors = []
def request(index):
if self.scheme == 'https':
c = HTTPSConnection('%s:%s' % (self.interface(), self.PORT))
else:
c = HTTPConnection('%s:%s' % (self.interface(), self.PORT))
for i in range(request_count):
c.putrequest('GET', '/')
for k, v in cookies:
c.putheader(k, v)
c.endheaders()
response = c.getresponse()
body = response.read()
if response.status != 200 or not body.isdigit():
errors.append((response.status, body))
else:
data_dict[index] = max(data_dict[index], int(body))
# Uncomment the following line to prove threads overlap.
## sys.stdout.write("%d " % index)
# Start <request_count> requests from each of
# <client_thread_count> concurrent clients
ts = []
for c in range(client_thread_count):
data_dict[c] = 0
t = threading.Thread(target=request, args=(c,))
ts.append(t)
t.start()
for t in ts:
t.join()
hitcount = max(data_dict.values())
expected = 1 + (client_thread_count * request_count)
for e in errors:
print(e)
self.assertEqual(hitcount, expected)
[docs] def test_3_Redirect(self):
# Start a new session
self.getPage('/testStr')
self.getPage('/iredir', self.cookies)
self.assertBody('FileSession')
@pytest.mark.xfail(reason='#1540')
[docs] def test_4_File_deletion(self):
# Start a new session
self.getPage('/testStr')
# Delete the session file manually and retry.
id = self.cookies[0][1].split(';', 1)[0].split('=', 1)[1]
path = os.path.join(localDir, 'session-' + id)
os.unlink(path)
self.getPage('/testStr', self.cookies)
[docs] def test_5_Error_paths(self):
self.getPage('/unknown/page')
self.assertErrorPage(404, "The path '/unknown/page' was not found.")
# Note: this path is *not* the same as above. The above
# takes a normal route through the session code; this one
# skips the session code's before_handler and only calls
# before_finalize (save) and on_end (close). So the session
# code has to survive calling save/close without init.
self.getPage('/restricted', self.cookies, method='POST')
self.assertErrorPage(405, response_codes[405][1])
[docs] def test_6_regenerate(self):
self.getPage('/testStr')
# grab the cookie ID
id1 = self.cookies[0][1].split(';', 1)[0].split('=', 1)[1]
self.getPage('/regen')
self.assertBody('logged in')
id2 = self.cookies[0][1].split(';', 1)[0].split('=', 1)[1]
self.assertNotEqual(id1, id2)
self.getPage('/testStr')
# grab the cookie ID
id1 = self.cookies[0][1].split(';', 1)[0].split('=', 1)[1]
self.getPage('/testStr',
headers=[
('Cookie',
'session_id=maliciousid; '
'expires=Sat, 27 Oct 2017 04:18:28 GMT; Path=/;')])
id2 = self.cookies[0][1].split(';', 1)[0].split('=', 1)[1]
self.assertNotEqual(id1, id2)
self.assertNotEqual(id2, 'maliciousid')
[docs] def test_7_session_cookies(self):
self.getPage('/set_session_cls/cherrypy.lib.sessions.RamSession')
self.getPage('/clear')
self.getPage('/session_cookie')
# grab the cookie ID
cookie_parts = dict([p.strip().split('=')
for p in self.cookies[0][1].split(';')])
# Assert there is no 'expires' param
self.assertEqual(set(cookie_parts.keys()), set(['temp', 'Path']))
id1 = cookie_parts['temp']
self.assertEqual(copykeys(sessions.RamSession.cache), [id1])
# Send another request in the same "browser session".
self.getPage('/session_cookie', self.cookies)
cookie_parts = dict([p.strip().split('=')
for p in self.cookies[0][1].split(';')])
# Assert there is no 'expires' param
self.assertEqual(set(cookie_parts.keys()), set(['temp', 'Path']))
self.assertBody(id1)
self.assertEqual(copykeys(sessions.RamSession.cache), [id1])
# Simulate a browser close by just not sending the cookies
self.getPage('/session_cookie')
# grab the cookie ID
cookie_parts = dict([p.strip().split('=')
for p in self.cookies[0][1].split(';')])
# Assert there is no 'expires' param
self.assertEqual(set(cookie_parts.keys()), set(['temp', 'Path']))
# Assert a new id has been generated...
id2 = cookie_parts['temp']
self.assertNotEqual(id1, id2)
self.assertEqual(set(sessions.RamSession.cache.keys()),
set([id1, id2]))
# Wait for the session.timeout on both sessions
time.sleep(2.5)
cache = copykeys(sessions.RamSession.cache)
if cache:
if cache == [id2]:
self.fail('The second session did not time out.')
else:
self.fail('Unknown session id in cache: %r', cache)
[docs] def test_8_Ram_Cleanup(self):
def lock():
s1 = sessions.RamSession()
s1.acquire_lock()
time.sleep(1)
s1.release_lock()
t = threading.Thread(target=lock)
t.start()
start = time.time()
while not sessions.RamSession.locks and time.time() - start < 5:
time.sleep(0.01)
assert len(sessions.RamSession.locks) == 1, 'Lock not acquired'
s2 = sessions.RamSession()
s2.clean_up()
assert len(sessions.RamSession.locks) == 1, 'Clean up should not remove active lock'
t.join()
try:
import memcache # NOQA
host, port = '127.0.0.1', 11211
for res in socket.getaddrinfo(host, port, socket.AF_UNSPEC,
socket.SOCK_STREAM):
af, socktype, proto, canonname, sa = res
s = None
try:
s = socket.socket(af, socktype, proto)
# See http://groups.google.com/group/cherrypy-users/
# browse_frm/thread/bbfe5eb39c904fe0
s.settimeout(1.0)
s.connect((host, port))
s.close()
except socket.error:
if s:
s.close()
raise
break
except (ImportError, socket.error):
class MemcachedSessionTest(helper.CPWebCase):
setup_server = staticmethod(setup_server)
[docs] def test(self):
return self.skip('memcached not reachable ')
else:
[docs] class MemcachedSessionTest(helper.CPWebCase):
setup_server = staticmethod(setup_server)
def test_0_Session(self):
self.getPage('/set_session_cls/cherrypy.Sessions.MemcachedSession')
self.getPage('/testStr')
self.assertBody('1')
self.getPage('/testGen', self.cookies)
self.assertBody('2')
self.getPage('/testStr', self.cookies)
self.assertBody('3')
self.getPage('/length', self.cookies)
self.assertErrorPage(500)
self.assertInBody('NotImplementedError')
self.getPage('/delkey?key=counter', self.cookies)
self.assertStatus(200)
# Wait for the session.timeout (1 second)
time.sleep(1.25)
self.getPage('/')
self.assertBody('1')
# Test session __contains__
self.getPage('/keyin?key=counter', self.cookies)
self.assertBody('True')
# Test session delete
self.getPage('/delete', self.cookies)
self.assertBody('done')
def test_1_Concurrency(self):
client_thread_count = 5
request_count = 30
# Get initial cookie
self.getPage('/')
self.assertBody('1')
cookies = self.cookies
data_dict = {}
def request(index):
for i in range(request_count):
self.getPage('/', cookies)
# Uncomment the following line to prove threads overlap.
## sys.stdout.write("%d " % index)
if not self.body.isdigit():
self.fail(self.body)
data_dict[index] = int(self.body)
# Start <request_count> concurrent requests from
# each of <client_thread_count> clients
ts = []
for c in range(client_thread_count):
data_dict[c] = 0
t = threading.Thread(target=request, args=(c,))
ts.append(t)
t.start()
for t in ts:
t.join()
hitcount = max(data_dict.values())
expected = 1 + (client_thread_count * request_count)
self.assertEqual(hitcount, expected)
def test_3_Redirect(self):
# Start a new session
self.getPage('/testStr')
self.getPage('/iredir', self.cookies)
self.assertBody('memcached')
def test_5_Error_paths(self):
self.getPage('/unknown/page')
self.assertErrorPage(
404, "The path '/unknown/page' was not found.")
# Note: this path is *not* the same as above. The above
# takes a normal route through the session code; this one
# skips the session code's before_handler and only calls
# before_finalize (save) and on_end (close). So the session
# code has to survive calling save/close without init.
self.getPage('/restricted', self.cookies, method='POST')
self.assertErrorPage(405, response_codes[405][1])