Simplify check_X509.py
as pyasn1 and pyOpenSSL are required now
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parent
6d10a5e2cf
commit
749a01a276
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@ -1,23 +1,19 @@
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import logging
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import logging
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log = logging.getLogger('gajim.c.check_X509')
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log = logging.getLogger('gajim.c.check_X509')
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try:
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import OpenSSL.SSL
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import OpenSSL.SSL
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import OpenSSL.crypto
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import OpenSSL.crypto
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ver = OpenSSL.__version__
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if ver < '0.12':
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raise ImportError
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from pyasn1.type import univ, constraint, char, namedtype, tag
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from pyasn1.codec.der.decoder import decode
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from gajim.common.helpers import prep, InvalidFormat
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MAX = 64
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from pyasn1.type import univ, constraint, char, namedtype, tag
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oid_xmppaddr = '1.3.6.1.5.5.7.8.5'
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from pyasn1.codec.der.decoder import decode
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oid_dnssrv = '1.3.6.1.5.5.7.8.7'
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from gajim.common.helpers import prep, InvalidFormat
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MAX = 64
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oid_xmppaddr = '1.3.6.1.5.5.7.8.5'
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oid_dnssrv = '1.3.6.1.5.5.7.8.7'
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class DirectoryString(univ.Choice):
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class DirectoryString(univ.Choice):
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componentType = namedtype.NamedTypes(
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componentType = namedtype.NamedTypes(
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namedtype.NamedType(
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namedtype.NamedType(
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'teletexString', char.TeletexString().subtype(
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'teletexString', char.TeletexString().subtype(
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@ -42,30 +38,30 @@ try:
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX))),
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subtypeSpec=constraint.ValueSizeConstraint(1, MAX))),
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)
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)
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class AttributeValue(DirectoryString):
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class AttributeValue(DirectoryString):
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pass
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pass
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class AttributeType(univ.ObjectIdentifier):
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class AttributeType(univ.ObjectIdentifier):
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pass
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pass
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class AttributeTypeAndValue(univ.Sequence):
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class AttributeTypeAndValue(univ.Sequence):
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componentType = namedtype.NamedTypes(
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('type', AttributeType()),
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namedtype.NamedType('type', AttributeType()),
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namedtype.NamedType('value', AttributeValue()),
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namedtype.NamedType('value', AttributeValue()),
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)
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)
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class RelativeDistinguishedName(univ.SetOf):
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class RelativeDistinguishedName(univ.SetOf):
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componentType = AttributeTypeAndValue()
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componentType = AttributeTypeAndValue()
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class RDNSequence(univ.SequenceOf):
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class RDNSequence(univ.SequenceOf):
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componentType = RelativeDistinguishedName()
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componentType = RelativeDistinguishedName()
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class Name(univ.Choice):
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class Name(univ.Choice):
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componentType = namedtype.NamedTypes(
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('', RDNSequence()),
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namedtype.NamedType('', RDNSequence()),
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)
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)
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class GeneralName(univ.Choice):
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class GeneralName(univ.Choice):
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componentType = namedtype.NamedTypes(
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componentType = namedtype.NamedTypes(
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namedtype.NamedType('otherName', univ.Sequence().subtype(
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namedtype.NamedType('otherName', univ.Sequence().subtype(
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implicitTag=tag.Tag(tag.tagClassContext,
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implicitTag=tag.Tag(tag.tagClassContext,
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@ -97,11 +93,11 @@ try:
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tag.tagFormatSimple, 8))),
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tag.tagFormatSimple, 8))),
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)
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)
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class GeneralNames(univ.SequenceOf):
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class GeneralNames(univ.SequenceOf):
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componentType = GeneralName()
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componentType = GeneralName()
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sizeSpec = univ.SequenceOf.sizeSpec + constraint.ValueSizeConstraint(1, MAX)
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sizeSpec = univ.SequenceOf.sizeSpec + constraint.ValueSizeConstraint(1, MAX)
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def _parse_asn1(asn1):
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def _parse_asn1(asn1):
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obj = decode(asn1, asn1Spec=GeneralNames())[0]
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obj = decode(asn1, asn1Spec=GeneralNames())[0]
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r = {}
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r = {}
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for o in obj:
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for o in obj:
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@ -122,7 +118,7 @@ try:
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r['uniformResourceIdentifier'] = True
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r['uniformResourceIdentifier'] = True
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return r
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return r
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def check_certificate(cert, domain):
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def check_certificate(cert, domain):
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cnt = cert.get_extension_count()
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cnt = cert.get_extension_count()
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if '.' in domain:
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if '.' in domain:
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compared_domain = domain.split('.', 1)[1]
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compared_domain = domain.split('.', 1)[1]
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@ -172,12 +168,4 @@ try:
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if subject.commonName == domain:
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if subject.commonName == domain:
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return True
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return True
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return False
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return False
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except ImportError:
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log.warning('Import of PyOpenSSL or pyasn1 failed. Cannot correctly check '
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'SSL certificate')
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def check_certificate(cert, domain):
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subject = cert.get_subject()
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if subject.commonName == domain:
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return True
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return False
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@ -45,10 +45,6 @@ class FeaturesWindow:
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# {name: (available_function, unix_text, windows_text)}
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# {name: (available_function, unix_text, windows_text)}
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self.features = {
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self.features = {
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_('SSL certificate validation'): (self.pyopenssl_available,
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_('A library used to validate server certificates to ensure a secure connection.'),
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_('Requires python-pyopenssl > 0.12 and pyasn1.'),
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_('Requires python-pyopenssl > 0.12 and pyasn1.')),
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_('Bonjour / Zeroconf'): (self.zeroconf_available,
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_('Bonjour / Zeroconf'): (self.zeroconf_available,
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_('Serverless chatting with autodetected clients in a local network.'),
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_('Serverless chatting with autodetected clients in a local network.'),
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_('Requires python-avahi.'),
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_('Requires python-avahi.'),
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@ -151,19 +147,6 @@ class FeaturesWindow:
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text = text + self.features[feature][2]
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text = text + self.features[feature][2]
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self.desc_label.set_text(text)
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self.desc_label.set_text(text)
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def pyopenssl_available(self):
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try:
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import OpenSSL.SSL
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import OpenSSL.crypto
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ver = OpenSSL.__version__
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ver_l = [int(i) for i in ver.split('.')]
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if ver_l < [0, 12]:
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raise ImportError
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import pyasn1
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except Exception:
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return False
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return True
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def zeroconf_available(self):
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def zeroconf_available(self):
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return app.HAVE_ZEROCONF
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return app.HAVE_ZEROCONF
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