本文整理汇总了Python中pyasn1.type.char.IA5String方法的典型用法代码示例。如果您正苦于以下问题：Python char.IA5String方法的具体用法？Python char.IA5String怎么用？Python char.IA5String使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pyasn1.type.char的用法示例。
在下文中一共展示了char.IA5String方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: extract_ids
# 需要导入模块: from pyasn1.type import char [as 别名]
# 或者: from pyasn1.type.char import IA5String [as 别名]
def extract_ids(cert):
"""
Extract all valid IDs from a certificate for service verification.
If *cert* doesn't contain any identifiers, the ``CN``s are used as DNS-IDs
as fallback.
:param cert: The certificate to be dissected.
:type cert: :class:`OpenSSL.SSL.X509`
:return: List of IDs.
"""
ids = []
for i in range(cert.get_extension_count()):
ext = cert.get_extension(i)
if ext.get_short_name() == b"subjectAltName":
names, _ = decode(ext.get_data(), asn1Spec=GeneralNames())
for n in names:
name_string = n.getName()
if name_string == "dNSName":
ids.append(DNSPattern(n.getComponent().asOctets()))
elif name_string == "uniformResourceIdentifier":
ids.append(URIPattern(n.getComponent().asOctets()))
elif name_string == "otherName":
comp = n.getComponent()
oid = comp.getComponentByPosition(0)
if oid == ID_ON_DNS_SRV:
srv, _ = decode(comp.getComponentByPosition(1))
if isinstance(srv, IA5String):
ids.append(SRVPattern(srv.asOctets()))
else: # pragma: nocover
raise CertificateError(
"Unexpected certificate content."
)
if not ids:
# http://tools.ietf.org/search/rfc6125#section-6.4.4
# A client MUST NOT seek a match for a reference identifier of CN-ID if
# the presented identifiers include a DNS-ID, SRV-ID, URI-ID, or any
# application-specific identifier types supported by the client.
warnings.warn(
"Certificate has no `subjectAltName`, falling back to check for a "
"`commonName` for now. This feature is being removed by major "
"browsers and deprecated by RFC 2818.",
SubjectAltNameWarning
)
ids = [DNSPattern(c[1])
for c
in cert.get_subject().get_components()
if c[0] == b"CN"]
return ids 示例2: extract_names
# 需要导入模块: from pyasn1.type import char [as 别名]
# 或者: from pyasn1.type.char import IA5String [as 别名]
def extract_names(self):
results = {'CN': None,
'DNS': set(),
'SRV': set(),
'URI': set(),
'XMPPAddr': set(),
'OU': None,}
# Extract the CommonName(s) from the cert.
for rdnss in self.subject:
for rdns in rdnss:
for name in rdns:
oid = name.getComponentByName('type')
value = name.getComponentByName('value')
if oid == COMMON_NAME:
value = decoder.decode(value, asn1Spec=DirectoryString())[0]
value = decode_str(value.getComponent())
results['CN'] = value
elif oid == OU_NAME:
value = decoder.decode(value, asn1Spec=DirectoryString())[0]
value = decode_str(value.getComponent())
results['OU'] = value
# Extract the Subject Alternate Names (DNS, SRV, URI, XMPPAddr)
for extension in self.extensions:
oid = extension.getComponentByName('extnID')
if oid != SUBJECT_ALT_NAME:
continue
value = decoder.decode(extension.getComponentByName('extnValue'),
asn1Spec=OctetString())[0]
sa_names = decoder.decode(value, asn1Spec=SubjectAltName())[0]
for name in sa_names:
name_type = name.getName()
if name_type == 'dNSName':
results['DNS'].add(decode_str(name.getComponent()))
if name_type == 'uniformResourceIdentifier':
value = decode_str(name.getComponent())
if value.startswith('xmpp:'):
results['URI'].add(value[5:])
elif name_type == 'otherName':
name = name.getComponent()
oid = name.getComponentByName('type-id')
value = name.getComponentByName('value')
if oid == XMPP_ADDR:
value = decoder.decode(value, asn1Spec=UTF8String())[0]
results['XMPPAddr'].add(decode_str(value))
elif oid == SRV_NAME:
value = decoder.decode(value, asn1Spec=IA5String())[0]
results['SRV'].add(decode_str(value))
return results 示例3: extract_names
# 需要导入模块: from pyasn1.type import char [as 别名]
# 或者: from pyasn1.type.char import IA5String [as 别名]
def extract_names(raw_cert):
results = {'CN': set(),
'DNS': set(),
'SRV': set(),
'URI': set(),
'XMPPAddr': set()}
cert = decoder.decode(raw_cert, asn1Spec=Certificate())[0]
tbs = cert.getComponentByName('tbsCertificate')
subject = tbs.getComponentByName('subject')
extensions = tbs.getComponentByName('extensions') or []
# Extract the CommonName(s) from the cert.
for rdnss in subject:
for rdns in rdnss:
for name in rdns:
oid = name.getComponentByName('type')
value = name.getComponentByName('value')
if oid != COMMON_NAME:
continue
value = decoder.decode(value, asn1Spec=DirectoryString())[0]
value = decode_str(value.getComponent())
results['CN'].add(value)
# Extract the Subject Alternate Names (DNS, SRV, URI, XMPPAddr)
for extension in extensions:
oid = extension.getComponentByName('extnID')
if oid != SUBJECT_ALT_NAME:
continue
value = decoder.decode(extension.getComponentByName('extnValue'),
asn1Spec=OctetString())[0]
sa_names = decoder.decode(value, asn1Spec=SubjectAltName())[0]
for name in sa_names:
name_type = name.getName()
if name_type == 'dNSName':
results['DNS'].add(decode_str(name.getComponent()))
if name_type == 'uniformResourceIdentifier':
value = decode_str(name.getComponent())
if value.startswith('xmpp:'):
results['URI'].add(value[5:])
elif name_type == 'otherName':
name = name.getComponent()
oid = name.getComponentByName('type-id')
value = name.getComponentByName('value')
if oid == XMPP_ADDR:
value = decoder.decode(value, asn1Spec=UTF8String())[0]
results['XMPPAddr'].add(decode_str(value))
elif oid == SRV_NAME:
value = decoder.decode(value, asn1Spec=IA5String())[0]
results['SRV'].add(decode_str(value))
return results