Update requests to 2.21.0

Also updates:
- certifi-2018.11.29
- chardet-3.0.4
- idna-2.8
- urllib3-1.24.1
This commit is contained in:
Labrys of Knossos 2018-12-15 01:05:44 -05:00
commit 72226bffd8
157 changed files with 22518 additions and 15476 deletions

View file

@ -11,13 +11,15 @@ import os
import re
import time
import hashlib
import threading
import warnings
from base64 import b64encode
from .compat import urlparse, str
from .compat import urlparse, str, basestring
from .cookies import extract_cookies_to_jar
from .utils import parse_dict_header, to_native_string
from .status_codes import codes
from ._internal_utils import to_native_string
from .utils import parse_dict_header
CONTENT_TYPE_FORM_URLENCODED = 'application/x-www-form-urlencoded'
CONTENT_TYPE_MULTI_PART = 'multipart/form-data'
@ -26,8 +28,42 @@ CONTENT_TYPE_MULTI_PART = 'multipart/form-data'
def _basic_auth_str(username, password):
"""Returns a Basic Auth string."""
# "I want us to put a big-ol' comment on top of it that
# says that this behaviour is dumb but we need to preserve
# it because people are relying on it."
# - Lukasa
#
# These are here solely to maintain backwards compatibility
# for things like ints. This will be removed in 3.0.0.
if not isinstance(username, basestring):
warnings.warn(
"Non-string usernames will no longer be supported in Requests "
"3.0.0. Please convert the object you've passed in ({!r}) to "
"a string or bytes object in the near future to avoid "
"problems.".format(username),
category=DeprecationWarning,
)
username = str(username)
if not isinstance(password, basestring):
warnings.warn(
"Non-string passwords will no longer be supported in Requests "
"3.0.0. Please convert the object you've passed in ({!r}) to "
"a string or bytes object in the near future to avoid "
"problems.".format(password),
category=DeprecationWarning,
)
password = str(password)
# -- End Removal --
if isinstance(username, str):
username = username.encode('latin1')
if isinstance(password, str):
password = password.encode('latin1')
authstr = 'Basic ' + to_native_string(
b64encode(('%s:%s' % (username, password)).encode('latin1')).strip()
b64encode(b':'.join((username, password))).strip()
)
return authstr
@ -42,10 +78,20 @@ class AuthBase(object):
class HTTPBasicAuth(AuthBase):
"""Attaches HTTP Basic Authentication to the given Request object."""
def __init__(self, username, password):
self.username = username
self.password = password
def __eq__(self, other):
return all([
self.username == getattr(other, 'username', None),
self.password == getattr(other, 'password', None)
])
def __ne__(self, other):
return not self == other
def __call__(self, r):
r.headers['Authorization'] = _basic_auth_str(self.username, self.password)
return r
@ -53,6 +99,7 @@ class HTTPBasicAuth(AuthBase):
class HTTPProxyAuth(HTTPBasicAuth):
"""Attaches HTTP Proxy Authentication to a given Request object."""
def __call__(self, r):
r.headers['Proxy-Authorization'] = _basic_auth_str(self.username, self.password)
return r
@ -60,22 +107,34 @@ class HTTPProxyAuth(HTTPBasicAuth):
class HTTPDigestAuth(AuthBase):
"""Attaches HTTP Digest Authentication to the given Request object."""
def __init__(self, username, password):
self.username = username
self.password = password
self.last_nonce = ''
self.nonce_count = 0
self.chal = {}
self.pos = None
self.num_401_calls = 1
# Keep state in per-thread local storage
self._thread_local = threading.local()
def init_per_thread_state(self):
# Ensure state is initialized just once per-thread
if not hasattr(self._thread_local, 'init'):
self._thread_local.init = True
self._thread_local.last_nonce = ''
self._thread_local.nonce_count = 0
self._thread_local.chal = {}
self._thread_local.pos = None
self._thread_local.num_401_calls = None
def build_digest_header(self, method, url):
"""
:rtype: str
"""
realm = self.chal['realm']
nonce = self.chal['nonce']
qop = self.chal.get('qop')
algorithm = self.chal.get('algorithm')
opaque = self.chal.get('opaque')
realm = self._thread_local.chal['realm']
nonce = self._thread_local.chal['nonce']
qop = self._thread_local.chal.get('qop')
algorithm = self._thread_local.chal.get('algorithm')
opaque = self._thread_local.chal.get('opaque')
hash_utf8 = None
if algorithm is None:
_algorithm = 'MD5'
@ -94,6 +153,18 @@ class HTTPDigestAuth(AuthBase):
x = x.encode('utf-8')
return hashlib.sha1(x).hexdigest()
hash_utf8 = sha_utf8
elif _algorithm == 'SHA-256':
def sha256_utf8(x):
if isinstance(x, str):
x = x.encode('utf-8')
return hashlib.sha256(x).hexdigest()
hash_utf8 = sha256_utf8
elif _algorithm == 'SHA-512':
def sha512_utf8(x):
if isinstance(x, str):
x = x.encode('utf-8')
return hashlib.sha512(x).hexdigest()
hash_utf8 = sha512_utf8
KD = lambda s, d: hash_utf8("%s:%s" % (s, d))
@ -114,12 +185,12 @@ class HTTPDigestAuth(AuthBase):
HA1 = hash_utf8(A1)
HA2 = hash_utf8(A2)
if nonce == self.last_nonce:
self.nonce_count += 1
if nonce == self._thread_local.last_nonce:
self._thread_local.nonce_count += 1
else:
self.nonce_count = 1
ncvalue = '%08x' % self.nonce_count
s = str(self.nonce_count).encode('utf-8')
self._thread_local.nonce_count = 1
ncvalue = '%08x' % self._thread_local.nonce_count
s = str(self._thread_local.nonce_count).encode('utf-8')
s += nonce.encode('utf-8')
s += time.ctime().encode('utf-8')
s += os.urandom(8)
@ -128,18 +199,18 @@ class HTTPDigestAuth(AuthBase):
if _algorithm == 'MD5-SESS':
HA1 = hash_utf8('%s:%s:%s' % (HA1, nonce, cnonce))
if qop is None:
if not qop:
respdig = KD(HA1, "%s:%s" % (nonce, HA2))
elif qop == 'auth' or 'auth' in qop.split(','):
noncebit = "%s:%s:%s:%s:%s" % (
nonce, ncvalue, cnonce, 'auth', HA2
)
)
respdig = KD(HA1, noncebit)
else:
# XXX handle auth-int.
return None
self.last_nonce = nonce
self._thread_local.last_nonce = nonce
# XXX should the partial digests be encoded too?
base = 'username="%s", realm="%s", nonce="%s", uri="%s", ' \
@ -158,23 +229,32 @@ class HTTPDigestAuth(AuthBase):
def handle_redirect(self, r, **kwargs):
"""Reset num_401_calls counter on redirects."""
if r.is_redirect:
self.num_401_calls = 1
self._thread_local.num_401_calls = 1
def handle_401(self, r, **kwargs):
"""Takes the given response and tries digest-auth, if needed."""
"""
Takes the given response and tries digest-auth, if needed.
if self.pos is not None:
:rtype: requests.Response
"""
# If response is not 4xx, do not auth
# See https://github.com/requests/requests/issues/3772
if not 400 <= r.status_code < 500:
self._thread_local.num_401_calls = 1
return r
if self._thread_local.pos is not None:
# Rewind the file position indicator of the body to where
# it was to resend the request.
r.request.body.seek(self.pos)
num_401_calls = getattr(self, 'num_401_calls', 1)
r.request.body.seek(self._thread_local.pos)
s_auth = r.headers.get('www-authenticate', '')
if 'digest' in s_auth.lower() and num_401_calls < 2:
if 'digest' in s_auth.lower() and self._thread_local.num_401_calls < 2:
self.num_401_calls += 1
self._thread_local.num_401_calls += 1
pat = re.compile(r'digest ', flags=re.IGNORECASE)
self.chal = parse_dict_header(pat.sub('', s_auth, count=1))
self._thread_local.chal = parse_dict_header(pat.sub('', s_auth, count=1))
# Consume content and release the original connection
# to allow our new request to reuse the same one.
@ -192,21 +272,34 @@ class HTTPDigestAuth(AuthBase):
return _r
self.num_401_calls = 1
self._thread_local.num_401_calls = 1
return r
def __call__(self, r):
# Initialize per-thread state, if needed
self.init_per_thread_state()
# If we have a saved nonce, skip the 401
if self.last_nonce:
if self._thread_local.last_nonce:
r.headers['Authorization'] = self.build_digest_header(r.method, r.url)
try:
self.pos = r.body.tell()
self._thread_local.pos = r.body.tell()
except AttributeError:
# In the case of HTTPDigestAuth being reused and the body of
# the previous request was a file-like object, pos has the
# file position of the previous body. Ensure it's set to
# None.
self.pos = None
self._thread_local.pos = None
r.register_hook('response', self.handle_401)
r.register_hook('response', self.handle_redirect)
self._thread_local.num_401_calls = 1
return r
def __eq__(self, other):
return all([
self.username == getattr(other, 'username', None),
self.password == getattr(other, 'password', None)
])
def __ne__(self, other):
return not self == other