How to use the josepy.JSONObjectWithFields function in josepy

from certbot.compat import os

logger = logging.getLogger(__name__)


class Account(object):  # pylint: disable=too-few-public-methods
    """ACME protocol registration.

    :ivar .RegistrationResource regr: Registration Resource
    :ivar .JWK key: Authorized Account Key
    :ivar .Meta: Account metadata
    :ivar str id: Globally unique account identifier.

    """

    class Meta(jose.JSONObjectWithFields):
        """Account metadata

        :ivar datetime.datetime creation_dt: Creation date and time (UTC).
        :ivar str creation_host: FQDN of host, where account has been created.

        .. note:: ``creation_dt`` and ``creation_host`` are useful in
            cross-machine migration scenarios.

        """
        creation_dt = acme_fields.RFC3339Field("creation_dt")
        creation_host = jose.Field("creation_host")

    def __init__(self, regr, key, meta=None):
        self.key = key
        self.regr = regr
        self.meta = self.Meta(

"""ACME identifier.

    :ivar IdentifierType typ:
    :ivar unicode value:

    """
    typ = jose.Field('type', decoder=IdentifierType.from_json)
    value = jose.Field('value')


class Directory(jose.JSONDeSerializable):
    """Directory."""

    _REGISTERED_TYPES = {}  # type: dict

    class Meta(jose.JSONObjectWithFields):
        """Directory Meta."""
        _terms_of_service = jose.Field('terms-of-service', omitempty=True)
        _terms_of_service_v2 = jose.Field('termsOfService', omitempty=True)
        website = jose.Field('website', omitempty=True)
        caa_identities = jose.Field('caaIdentities', omitempty=True)
        external_account_required = jose.Field('externalAccountRequired', omitempty=True)

        def __init__(self, **kwargs):
            kwargs = dict((self._internal_name(k), v) for k, v in kwargs.items())
            super(Directory.Meta, self).__init__(**kwargs)

        @property
        def terms_of_service(self):
            """URL for the CA TOS"""
            return self._terms_of_service or self._terms_of_service_v2

"""
ACME protocol messages.

This module provides supplementary message implementations that are not already
provided by the `acme` library.

..  seealso:: `acme.messages`
"""
from acme.fields import Resource
from josepy import Field, JSONObjectWithFields

from txacme.util import decode_csr, encode_csr


class CertificateRequest(JSONObjectWithFields):
    """
    ACME new-cert request.

    Differs from the upstream version because it wraps a Cryptography CSR
    object instead of a PyOpenSSL one.

    ..  seealso:: `acme.messages.CertificateRequest`,
        `cryptography.x509.CertificateSigningRequest`
    """
    resource_type = 'new-cert'
    resource = Resource(resource_type)
    csr = Field('csr', decoder=decode_csr, encoder=encode_csr)


__all__ = ['CertificateRequest']

from certbot.compat import os

logger = logging.getLogger(__name__)


class Account(object):
    """ACME protocol registration.

    :ivar .RegistrationResource regr: Registration Resource
    :ivar .JWK key: Authorized Account Key
    :ivar .Meta: Account metadata
    :ivar str id: Globally unique account identifier.

    """

    class Meta(jose.JSONObjectWithFields):
        """Account metadata

        :ivar datetime.datetime creation_dt: Creation date and time (UTC).
        :ivar str creation_host: FQDN of host, where account has been created.

        .. note:: ``creation_dt`` and ``creation_host`` are useful in
            cross-machine migration scenarios.

        """
        creation_dt = acme_fields.RFC3339Field("creation_dt")
        creation_host = jose.Field("creation_host")

    def __init__(self, regr, key, meta=None):
        self.key = key
        self.regr = regr
        self.meta = self.Meta(

resource = fields.Resource(resource_type)


class AuthorizationResource(ResourceWithURI):
    """Authorization Resource.

    :ivar acme.messages.Authorization body:
    :ivar unicode new_cert_uri: Deprecated. Do not use.

    """
    body = jose.Field('body', decoder=Authorization.from_json)
    new_cert_uri = jose.Field('new_cert_uri', omitempty=True)


@Directory.register
class CertificateRequest(jose.JSONObjectWithFields):
    """ACME new-cert request.

    :ivar josepy.util.ComparableX509 csr:
        `OpenSSL.crypto.X509Req` wrapped in `.ComparableX509`

    """
    resource_type = 'new-cert'
    resource = fields.Resource(resource_type)
    csr = jose.Field('csr', decoder=jose.decode_csr, encoder=jose.encode_csr)


class CertificateResource(ResourceWithURI):
    """Certificate Resource.

    :ivar josepy.util.ComparableX509 body:
        `OpenSSL.crypto.X509` wrapped in `.ComparableX509`

def __getitem__(self, name):
        try:
            return self._jobj[self._canon_key(name)]
        except KeyError:
            raise KeyError('Directory field not found')

    def to_partial_json(self):
        return self._jobj

    @classmethod
    def from_json(cls, jobj):
        jobj['meta'] = cls.Meta.from_json(jobj.pop('meta', {}))
        return cls(jobj)


class Resource(jose.JSONObjectWithFields):
    """ACME Resource.

    :ivar acme.messages.ResourceBody body: Resource body.

    """
    body = jose.Field('body')


class ResourceWithURI(Resource):
    """ACME Resource with URI.

    :ivar unicode uri: Location of the resource.

    """
    uri = jose.Field('uri')  # no ChallengeResource.uri

:ivar acme.messages.ResourceBody body: Resource body.

    """
    body = jose.Field('body')


class ResourceWithURI(Resource):
    """ACME Resource with URI.

    :ivar unicode uri: Location of the resource.

    """
    uri = jose.Field('uri')  # no ChallengeResource.uri


class ResourceBody(jose.JSONObjectWithFields):
    """ACME Resource Body."""


class ExternalAccountBinding(object):
    """ACME External Account Binding"""

    @classmethod
    def from_data(cls, account_public_key, kid, hmac_key, directory):
        """Create External Account Binding Resource from contact details, kid and hmac."""

        key_json = json.dumps(account_public_key.to_partial_json()).encode()
        decoded_hmac_key = jose.b64.b64decode(hmac_key)
        url = directory["newAccount"]

        eab = jws.JWS.sign(key_json, jose.jwk.JWKOct(key=decoded_hmac_key),
                           jose.jwa.HS256, None,

ERROR_TYPE_DESCRIPTIONS = dict(
    (ERROR_PREFIX + name, desc) for name, desc in ERROR_CODES.items())

ERROR_TYPE_DESCRIPTIONS.update(dict(  # add errors with old prefix, deprecate me
    (OLD_ERROR_PREFIX + name, desc) for name, desc in ERROR_CODES.items()))


def is_acme_error(err):
    """Check if argument is an ACME error."""
    if isinstance(err, Error) and (err.typ is not None):
        return (ERROR_PREFIX in err.typ) or (OLD_ERROR_PREFIX in err.typ)
    return False


@six.python_2_unicode_compatible
class Error(jose.JSONObjectWithFields, errors.Error):
    """ACME error.

    https://tools.ietf.org/html/draft-ietf-appsawg-http-problem-00

    :ivar unicode typ:
    :ivar unicode title:
    :ivar unicode detail:

    """
    typ = jose.Field('type', omitempty=True, default='about:blank')
    title = jose.Field('title', omitempty=True)
    detail = jose.Field('detail', omitempty=True)

    @classmethod
    def with_code(cls, code, **kwargs):
        """Create an Error instance with an ACME Error code.

STATUS_PENDING = Status('pending')
STATUS_PROCESSING = Status('processing')
STATUS_VALID = Status('valid')
STATUS_INVALID = Status('invalid')
STATUS_REVOKED = Status('revoked')
STATUS_READY = Status('ready')
STATUS_DEACTIVATED = Status('deactivated')


class IdentifierType(_Constant):
    """ACME identifier type."""
    POSSIBLE_NAMES = {}  # type: dict
IDENTIFIER_FQDN = IdentifierType('dns')  # IdentifierDNS in Boulder


class Identifier(jose.JSONObjectWithFields):
    """ACME identifier.

    :ivar IdentifierType typ:
    :ivar unicode value:

    """
    typ = jose.Field('type', decoder=IdentifierType.from_json)
    value = jose.Field('value')


class Directory(jose.JSONDeSerializable):
    """Directory."""

    _REGISTERED_TYPES = {}  # type: dict

    class Meta(jose.JSONObjectWithFields):

class CertificateResource(ResourceWithURI):
    """Certificate Resource.

    :ivar josepy.util.ComparableX509 body:
        `OpenSSL.crypto.X509` wrapped in `.ComparableX509`
    :ivar unicode cert_chain_uri: URI found in the 'up' ``Link`` header
    :ivar tuple authzrs: `tuple` of `AuthorizationResource`.

    """
    cert_chain_uri = jose.Field('cert_chain_uri')
    authzrs = jose.Field('authzrs')


@Directory.register
class Revocation(jose.JSONObjectWithFields):
    """Revocation message.

    :ivar .ComparableX509 certificate: `OpenSSL.crypto.X509` wrapped in
        `.ComparableX509`

    """
    resource_type = 'revoke-cert'
    resource = fields.Resource(resource_type)
    certificate = jose.Field(
        'certificate', decoder=jose.decode_cert, encoder=jose.encode_cert)
    reason = jose.Field('reason')


class Order(ResourceBody):
    """Order Resource Body.