Python pyasn1.type.char.UTF8String() Examples

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Example #1
Source File: x509.py    From encompass with GNU General Public License v3.0 4 votes vote down vote up 
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
Example #2
Source File: cert.py    From jarvis with GNU General Public License v2.0 4 votes vote down vote up 
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