def test_basic_local_asyncio():
ns = local.Local()
ns.foo = 0
values = []
async def value_setter(idx):
await asyncio.sleep(0.01 * idx)
ns.foo = idx
await asyncio.sleep(0.02)
values.append(ns.foo)
async def main():
futures = [asyncio.ensure_future(value_setter(i)) for i in [1, 2, 3]]
await asyncio.gather(*futures)
asyncio.run(main())
assert sorted(values) == [1, 2, 3]
def delfoo():
del ns.foo
delfoo()
pytest.raises(AttributeError, lambda: ns.foo)
pytest.raises(AttributeError, delfoo)
local.release_local(ns)
def test_basic_local():
l = local.Local()
l.foo = 0
values = []
def value_setter(idx):
time.sleep(0.01 * idx)
l.foo = idx
time.sleep(0.02)
values.append(l.foo)
threads = [Thread(target=value_setter, args=(x, )) for x in [1, 2, 3]]
for thread in threads:
thread.start()
time.sleep(0.2)
assert sorted(values) == [1, 2, 3]
def delfoo():
del l.foo
delfoo()
pytest.raises(AttributeError, lambda: l.foo)
pytest.raises(AttributeError, delfoo)
local.release_local(l)
def __init__(
self,
# The Flask application to analyze
app: Flask,
# The HowFast app ID to use
app_id: str = None,
# Endpoints not to monitor
endpoints_blacklist: List[str] = None,
# Other configuration parameters passed to the CoreAPM constructor
**kwargs,
):
super().__init__(**kwargs)
self.app = app
self.wsgi_app = app.wsgi_app
# We need to store thread local information, let's use Werkzeug's context locals
# (see https://werkzeug.palletsprojects.com/en/1.0.x/local/)
self.local = local.Local()
self.local_manager = local.LocalManager([self.local])
# Overwrite the passed WSGI application
app.wsgi_app = self.local_manager.make_middleware(self)
if endpoints_blacklist:
self.endpoints_blacklist = compile_endpoints(*endpoints_blacklist)
else:
self.endpoints_blacklist = []
# Setup the queue and the background thread
self.setup(app_id)
request_started.connect(self._request_started)
def test_local_release():
l = local.Local()
l.foo = 42
local.release_local(l)
assert not hasattr(l, 'foo')
ls = local.LocalStack()
ls.push(42)
local.release_local(ls)
assert ls.top is None
def test_local_release(self):
loc = local.Local()
loc.foo = 42
local.release_local(loc)
assert not hasattr(loc, 'foo')
ls = local.LocalStack()
ls.push(42)
local.release_local(ls)
assert ls.top is None
def test_local_release():
ns = local.Local()
ns.foo = 42
local.release_local(ns)
assert not hasattr(ns, "foo")
ls = local.LocalStack()
ls.push(42)
local.release_local(ls)
assert ls.top is None
def test_proxy_local():
ns = local.Local()
ns.foo = []
p = local.LocalProxy(ns, "foo")
p.append(42)
p.append(23)
p[1:] = [1, 2, 3]
assert p == [42, 1, 2, 3]
assert p == ns.foo
ns.foo += [1]
assert list(p) == [42, 1, 2, 3, 1]
p_from_local = ns("foo")
p_from_local.append(2)
assert p == p_from_local
assert p._get_current_object() is ns.foo
def test_proxy_wrapped():
class SomeClassWithWrapped:
__wrapped__ = "wrapped"
def lookup_func():
return 42
proxy = local.LocalProxy(lookup_func)
assert proxy.__wrapped__ is lookup_func
partial_lookup_func = partial(lookup_func)
partial_proxy = local.LocalProxy(partial_lookup_func)
assert partial_proxy.__wrapped__ == partial_lookup_func
ns = local.Local()
ns.foo = SomeClassWithWrapped()
ns.bar = 42
assert ns("foo").__wrapped__ == "wrapped"
pytest.raises(AttributeError, lambda: ns("bar").__wrapped__)
def test_custom_idents():
ident = 0
l = local.Local()
stack = local.LocalStack()
local.LocalManager([l, stack], ident_func=lambda: ident)
l.foo = 42
stack.push({'foo': 42})
ident = 1
l.foo = 23
stack.push({'foo': 23})
ident = 0
assert l.foo == 42
assert stack.top['foo'] == 42
stack.pop()
assert stack.top is None
ident = 1
assert l.foo == 23
assert stack.top['foo'] == 23
stack.pop()
assert stack.top is None
def test_local_proxy_wrapped_attribute():
class SomeClassWithWrapped(object):
__wrapped__ = 'wrapped'
def lookup_func():
return 42
partial_lookup_func = partial(lookup_func)
proxy = local.LocalProxy(lookup_func)
assert proxy.__wrapped__ is lookup_func
partial_proxy = local.LocalProxy(partial_lookup_func)
assert partial_proxy.__wrapped__ == partial_lookup_func
l = local.Local()
l.foo = SomeClassWithWrapped()
l.bar = 42
assert l('foo').__wrapped__ == 'wrapped'
pytest.raises(AttributeError, lambda: l('bar').__wrapped__)
def test_custom_idents():
ident = 0
ns = local.Local()
stack = local.LocalStack()
local.LocalManager([ns, stack], ident_func=lambda: ident)
ns.foo = 42
stack.push({"foo": 42})
ident = 1
ns.foo = 23
stack.push({"foo": 23})
ident = 0
assert ns.foo == 42
assert stack.top["foo"] == 42
stack.pop()
assert stack.top is None
ident = 1
assert ns.foo == 23
assert stack.top["foo"] == 23
stack.pop()
assert stack.top is None
def test_basic_local_asyncio():
ns = local.Local()
ns.foo = 0
values = []
async def value_setter(idx):
await asyncio.sleep(0.01 * idx)
ns.foo = idx
await asyncio.sleep(0.02)
values.append(ns.foo)
loop = asyncio.get_event_loop()
futures = [asyncio.ensure_future(value_setter(idx)) for idx in [1, 2, 3]]
loop.run_until_complete(asyncio.gather(*futures))
assert sorted(values) == [1, 2, 3]
def delfoo():
del ns.foo
delfoo()
pytest.raises(AttributeError, lambda: ns.foo)
pytest.raises(AttributeError, delfoo)
local.release_local(ns)
class SpnegoAuth:
"""SPNEGO authentication implementation."""
LOCALS = local.Local()
def __init__(self, wrapped,
protected_paths=(), unprotected_paths=(),
unprotected_methods=(),
unprotected_is_regex=False):
"""
:param protected_paths:
Provide a list of path for which this module should enforce auth
(e.g. '/login')
:param wad_cnx_settings:
Tuple connection settings the WebAuthD daemon (e.g. ('inet',
[port]) or ('unix', [path]))
:param unprotected_is_regex:
Whether unprotected_paths parameter contains regexes (default:
False)
"""
self._wrapped = wrapped
# build a re like this '^(/path1(/.*)?|/path2(/.*)?|/path3(/.*)?)$'
# Note that empty protected_paths matches *EVERY* paths
self.protected_paths_re = re.compile(
r'^(:?' +
r'(:?/.*)?|'.join(protected_paths) +
r'(:?/.*)?)$'
)
if unprotected_paths:
if not unprotected_is_regex:
unprotected_paths = [
path + '(:?/.*)?' for path in unprotected_paths
]
self.unprotected_paths_re = re.compile(
r'^(:?' +
r'|'.join(unprotected_paths) +
r')$'
)
else:
self.unprotected_paths_re = None
self.unprotected_methods = unprotected_methods
# Print WebAuthD version for information
_LOGGER.info('Protecting paths: %r',
self.protected_paths_re.pattern)
_LOGGER.info('Unprotecting paths: %r',
(self.unprotected_paths_re.pattern
if self.unprotected_paths_re is not None
else None))
_LOGGER.info('Unprotecting methods: %r', self.unprotected_methods)
def _wrapped_authenticated(self, auth_user, auth_token=None):
def _wrapped(environ, start_response):
environ['REMOTE_USER'] = auth_user
# TODO: when is auth token every none?
if auth_token:
def spnego_start_response(status, headers, exc_info=None):
"""Initial spnego response."""
headers.append(
('WWW-Authenticate', 'Negotiate %s' % auth_token)
)
return start_response(status, headers, exc_info)
else:
spnego_start_response = start_response
return self._wrapped(environ, spnego_start_response)
return _wrapped
def _auth_spnego(self, request):
"""Perform SPNEGO authentication.
"""
if 'Authorization' not in request.headers:
# Send the SPNEGO Negociate challenge
_LOGGER.debug("Sending SPNEGO Negotiate request")
resp = BaseResponse(status=401)
resp.headers['WWW-Authenticate'] = 'Negotiate'
return resp
# We have authorization headers
auth_type, auth_chal = request.headers['Authorization'].split(' ', 3)
if auth_type != 'Negotiate':
return _UNAUTHORIZED('Invalid authorization header.')
_LOGGER.debug("Received SPNEGO Negociate token: %r", auth_chal)
try:
if not hasattr(self.LOCALS, 'ctx'):
# pylint: disable=assigning-non-slot
self.LOCALS.ctx = gssapi.SecurityContext(
creds=None, usage='accept'
)
_LOGGER.debug('Init security context.')
in_token = base64.standard_b64decode(auth_chal)
out_token = self.LOCALS.ctx.step(in_token)
auth_token = base64.b64encode(out_token)
if not self.LOCALS.ctx.complete:
_LOGGER.debug("Sending SPNEGO Negotiate (continue).")
resp = BaseResponse(status=401)
resp.headers['WWW-Authenticate'] = 'Negotiate %s' % auth_token
return resp
# GSSAPI negotiation completed.
auth_user = str(self.LOCALS.ctx.initiator_name)
_LOGGER.info('Authenticated user: %s', auth_user)
return self._wrapped_authenticated(auth_user, auth_token)
# pylint: disable=c-extension-no-member
except gssapi.raw.misc.GSSError as err:
_LOGGER.warning('Unhandled exception: %s', str(err))
return _UNAUTHORIZED(str(err))
def wsgi_app(self, environ, start_response):
"""WSGI middleware main entry point.
"""
request = BaseRequest(environ)
if request.method in self.unprotected_methods:
return self._wrapped(environ, start_response)
if not self.protected_paths_re.match(request.path):
return self._wrapped(environ, start_response)
if (self.unprotected_paths_re is not None and
self.unprotected_paths_re.match(request.path)):
return self._wrapped(environ, start_response)
_LOGGER.info('Authenticating access to %s', request.path)
app = self._auth_spnego(request)
return app(environ, start_response)
def __call__(self, environ, start_response):
return self.wsgi_app(environ, start_response)
def _make_proxy(value):
ns = local.Local()
ns.value = value
p = ns("value")
return ns, p
def test_proxy_unbound():
ns = local.Local()
p = ns("value")
assert repr(p) == "<LocalProxy unbound>"
assert not p
assert dir(p) == []
#!/usr/bin/env python3 # -*- coding: utf-8 -*- # @Date : 2017/10/17 16:14 # @Author : xxc727xxc ([email protected]) # @Version : 1.0.0 import asyncio import functools import logging import aiomysql from werkzeug import local logger = logging.getLogger(__name__) conn_local = local.Local() def log(sql, args=()): logger.debug('SQL: %s args: %s' % (sql, args)) def get_transaction(): return _DBTransaction(__pool) @asyncio.coroutine def create_pool(loop: asyncio.AbstractEventLoop, **kw): logger.info('create database connection pool...') global __pool __pool = yield from aiomysql.create_pool(host=kw.get('host', 'localhost'), port=kw.get('port', 3306),
