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saving dependency work

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JMR-dev
2022-12-10 21:17:54 -06:00
parent bf923c3406
commit c2c19e5382
5636 changed files with 666283 additions and 8587 deletions
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lib/python3.9/site-packages/setuptools/ssl_support.py
+37 -33
View File
@@ -14,8 +14,11 @@ except ImportError:
ssl = None
__all__ = [
'VerifyingHTTPSHandler', 'find_ca_bundle', 'is_available', 'cert_paths',
'opener_for'
"VerifyingHTTPSHandler",
"find_ca_bundle",
"is_available",
"cert_paths",
"opener_for",
]
cert_paths = """
@@ -67,18 +70,19 @@ if not match_hostname:
# Ported from python3-syntax:
# leftmost, *remainder = dn.split(r'.')
parts = dn.split(r'.')
parts = dn.split(r".")
leftmost = parts[0]
remainder = parts[1:]
wildcards = leftmost.count('*')
wildcards = leftmost.count("*")
if wildcards > max_wildcards:
# Issue #17980: avoid denials of service by refusing more
# than one wildcard per fragment. A survey of established
# policy among SSL implementations showed it to be a
# reasonable choice.
raise CertificateError(
"too many wildcards in certificate DNS name: " + repr(dn))
"too many wildcards in certificate DNS name: " + repr(dn)
)
# speed up common case w/o wildcards
if not wildcards:
@@ -87,11 +91,11 @@ if not match_hostname:
# RFC 6125, section 6.4.3, subitem 1.
# The client SHOULD NOT attempt to match a presented identifier in which
# the wildcard character comprises a label other than the left-most label.
if leftmost == '*':
if leftmost == "*":
# When '*' is a fragment by itself, it matches a non-empty dotless
# fragment.
pats.append('[^.]+')
elif leftmost.startswith('xn--') or hostname.startswith('xn--'):
pats.append("[^.]+")
elif leftmost.startswith("xn--") or hostname.startswith("xn--"):
# RFC 6125, section 6.4.3, subitem 3.
# The client SHOULD NOT attempt to match a presented identifier
# where the wildcard character is embedded within an A-label or
@@ -99,13 +103,13 @@ if not match_hostname:
pats.append(re.escape(leftmost))
else:
# Otherwise, '*' matches any dotless string, e.g. www*
pats.append(re.escape(leftmost).replace(r'\*', '[^.]*'))
pats.append(re.escape(leftmost).replace(r"\*", "[^.]*"))
# add the remaining fragments, ignore any wildcards
for frag in remainder:
pats.append(re.escape(frag))
pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE)
pat = re.compile(r"\A" + r"\.".join(pats) + r"\Z", re.IGNORECASE)
return pat.match(hostname)
def match_hostname(cert, hostname):
@@ -119,34 +123,37 @@ if not match_hostname:
if not cert:
raise ValueError("empty or no certificate")
dnsnames = []
san = cert.get('subjectAltName', ())
san = cert.get("subjectAltName", ())
for key, value in san:
if key == 'DNS':
if key == "DNS":
if _dnsname_match(value, hostname):
return
dnsnames.append(value)
if not dnsnames:
# The subject is only checked when there is no dNSName entry
# in subjectAltName
for sub in cert.get('subject', ()):
for sub in cert.get("subject", ()):
for key, value in sub:
# XXX according to RFC 2818, the most specific Common Name
# must be used.
if key == 'commonName':
if key == "commonName":
if _dnsname_match(value, hostname):
return
dnsnames.append(value)
if len(dnsnames) > 1:
raise CertificateError("hostname %r "
raise CertificateError(
"hostname %r "
"doesn't match either of %s"
% (hostname, ', '.join(map(repr, dnsnames))))
% (hostname, ", ".join(map(repr, dnsnames)))
)
elif len(dnsnames) == 1:
raise CertificateError("hostname %r "
"doesn't match %r"
% (hostname, dnsnames[0]))
raise CertificateError(
"hostname %r " "doesn't match %r" % (hostname, dnsnames[0])
)
else:
raise CertificateError("no appropriate commonName or "
"subjectAltName fields were found")
raise CertificateError(
"no appropriate commonName or " "subjectAltName fields were found"
)
class VerifyingHTTPSHandler(HTTPSHandler):
@@ -171,11 +178,11 @@ class VerifyingHTTPSConn(HTTPSConnection):
def connect(self):
sock = socket.create_connection(
(self.host, self.port), getattr(self, 'source_address', None)
(self.host, self.port), getattr(self, "source_address", None)
)
# Handle the socket if a (proxy) tunnel is present
if hasattr(self, '_tunnel') and getattr(self, '_tunnel_host', None):
if hasattr(self, "_tunnel") and getattr(self, "_tunnel_host", None):
self.sock = sock
self._tunnel()
# http://bugs.python.org/issue7776: Python>=3.4.1 and >=2.7.7
@@ -186,7 +193,7 @@ class VerifyingHTTPSConn(HTTPSConnection):
else:
actual_host = self.host
if hasattr(ssl, 'create_default_context'):
if hasattr(ssl, "create_default_context"):
ctx = ssl.create_default_context(cafile=self.ca_bundle)
self.sock = ctx.wrap_socket(sock, server_hostname=actual_host)
else:
@@ -213,9 +220,10 @@ def opener_for(ca_bundle=None):
def once(func):
@functools.wraps(func)
def wrapper(*args, **kwargs):
if not hasattr(func, 'always_returns'):
if not hasattr(func, "always_returns"):
func.always_returns = func(*args, **kwargs)
return func.always_returns
return wrapper
@@ -238,23 +246,19 @@ def get_win_certfile():
pass
_wincerts = CertFile()
_wincerts.addstore('CA')
_wincerts.addstore('ROOT')
_wincerts.addstore("CA")
_wincerts.addstore("ROOT")
return _wincerts.name
def find_ca_bundle():
"""Return an existing CA bundle path, or None"""
extant_cert_paths = filter(os.path.isfile, cert_paths)
return (
get_win_certfile()
or next(extant_cert_paths, None)
or _certifi_where()
)
return get_win_certfile() or next(extant_cert_paths, None) or _certifi_where()
def _certifi_where():
try:
return __import__('certifi').where()
return __import__("certifi").where()
except (ImportError, ResolutionError, ExtractionError):
pass