Simplify check_X509.py

as pyasn1 and pyOpenSSL are required now

gajim/common/check_X509.py

@@ -1,23 +1,19 @@
 import logging
 log = logging.getLogger('gajim.c.check_X509')
 
-try:
-    import OpenSSL.SSL
-    import OpenSSL.crypto
-    ver = OpenSSL.__version__
-    if ver < '0.12':
-        raise ImportError
-    from pyasn1.type import univ, constraint, char, namedtype, tag
-    from pyasn1.codec.der.decoder import decode
-    from gajim.common.helpers import prep, InvalidFormat
+import OpenSSL.SSL
+import OpenSSL.crypto
 
-    MAX = 64
-    oid_xmppaddr = '1.3.6.1.5.5.7.8.5'
-    oid_dnssrv   = '1.3.6.1.5.5.7.8.7'
+from pyasn1.type import univ, constraint, char, namedtype, tag
+from pyasn1.codec.der.decoder import decode
+from gajim.common.helpers import prep, InvalidFormat
+
+MAX = 64
+oid_xmppaddr = '1.3.6.1.5.5.7.8.5'
+oid_dnssrv   = '1.3.6.1.5.5.7.8.7'
 
 
-
-    class DirectoryString(univ.Choice):
+class DirectoryString(univ.Choice):
     componentType = namedtype.NamedTypes(
         namedtype.NamedType(
             'teletexString', char.TeletexString().subtype(
@@ -42,30 +38,30 @@ try:
                 subtypeSpec=constraint.ValueSizeConstraint(1, MAX))),
         )
 
-    class AttributeValue(DirectoryString):
+class AttributeValue(DirectoryString):
     pass
 
-    class AttributeType(univ.ObjectIdentifier):
+class AttributeType(univ.ObjectIdentifier):
     pass
 
-    class AttributeTypeAndValue(univ.Sequence):
+class AttributeTypeAndValue(univ.Sequence):
     componentType = namedtype.NamedTypes(
         namedtype.NamedType('type', AttributeType()),
         namedtype.NamedType('value', AttributeValue()),
         )
 
-    class RelativeDistinguishedName(univ.SetOf):
+class RelativeDistinguishedName(univ.SetOf):
     componentType = AttributeTypeAndValue()
 
-    class RDNSequence(univ.SequenceOf):
+class RDNSequence(univ.SequenceOf):
     componentType = RelativeDistinguishedName()
 
-    class Name(univ.Choice):
+class Name(univ.Choice):
     componentType = namedtype.NamedTypes(
         namedtype.NamedType('', RDNSequence()),
         )
 
-    class GeneralName(univ.Choice):
+class GeneralName(univ.Choice):
     componentType = namedtype.NamedTypes(
         namedtype.NamedType('otherName', univ.Sequence().subtype(
             implicitTag=tag.Tag(tag.tagClassContext,
@@ -97,11 +93,11 @@ try:
             tag.tagFormatSimple, 8))),
         )
 
-    class GeneralNames(univ.SequenceOf):
+class GeneralNames(univ.SequenceOf):
     componentType = GeneralName()
     sizeSpec = univ.SequenceOf.sizeSpec + constraint.ValueSizeConstraint(1, MAX)
 
-    def _parse_asn1(asn1):
+def _parse_asn1(asn1):
     obj = decode(asn1, asn1Spec=GeneralNames())[0]
     r = {}
     for o in obj:
@@ -122,7 +118,7 @@ try:
             r['uniformResourceIdentifier'] = True
     return r
 
-    def check_certificate(cert, domain):
+def check_certificate(cert, domain):
     cnt = cert.get_extension_count()
     if '.' in domain:
         compared_domain = domain.split('.', 1)[1]
@@ -172,12 +168,4 @@ try:
     if subject.commonName == domain:
         return True
     return False
-except ImportError:
-    log.warning('Import of PyOpenSSL or pyasn1 failed. Cannot correctly check '
-        'SSL certificate')
 
-    def check_certificate(cert, domain):
-        subject = cert.get_subject()
-        if subject.commonName == domain:
-            return True
-        return False

gajim/features_window.py

@@ -45,10 +45,6 @@ class FeaturesWindow:
 
         # {name: (available_function, unix_text, windows_text)}
         self.features = {
-            _('SSL certificate validation'): (self.pyopenssl_available,
-                _('A library used to validate server certificates to ensure a secure connection.'),
-                _('Requires python-pyopenssl > 0.12 and pyasn1.'),
-                _('Requires python-pyopenssl > 0.12 and pyasn1.')),
             _('Bonjour / Zeroconf'): (self.zeroconf_available,
                 _('Serverless chatting with autodetected clients in a local network.'),
                 _('Requires python-avahi.'),
@@ -151,19 +147,6 @@ class FeaturesWindow:
             text = text + self.features[feature][2]
         self.desc_label.set_text(text)
 
-    def pyopenssl_available(self):
-        try:
-            import OpenSSL.SSL
-            import OpenSSL.crypto
-            ver = OpenSSL.__version__
-            ver_l = [int(i) for i in ver.split('.')]
-            if ver_l < [0, 12]:
-                raise ImportError
-            import pyasn1
-        except Exception:
-            return False
-        return True
-
     def zeroconf_available(self):
         return app.HAVE_ZEROCONF
 

setup.py

@@ -271,7 +271,7 @@ setup(
     install_requires=[
         'dbus-python;sys_platform=="linux"',
         'nbxmpp',
-        'pyOpenSSL',
+        'pyOpenSSL>=0.12',
         'pyasn1',
     ],
 )