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Current Directory: /opt/imh-python/lib/python3.9/site-packages/libcloud/dns/drivers
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# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Zonomi DNS Driver
"""

from libcloud.common.zonomi import ZonomiConnection, ZonomiResponse
from libcloud.common.zonomi import ZonomiException
from libcloud.dns.base import DNSDriver, Zone, Record
from libcloud.dns.types import ZoneDoesNotExistError, ZoneAlreadyExistsError
from libcloud.dns.types import RecordAlreadyExistsError
from libcloud.dns.types import RecordDoesNotExistError
from libcloud.dns.types import Provider, RecordType


__all__ = [
    'ZonomiDNSDriver',
]


class ZonomiDNSResponse(ZonomiResponse):
    pass


class ZonomiDNSConnection(ZonomiConnection):
    responseCls = ZonomiDNSResponse


class ZonomiDNSDriver(DNSDriver):
    type = Provider.ZONOMI
    name = 'Zonomi DNS'
    website = 'https://zonomi.com'
    connectionCls = ZonomiDNSConnection

    RECORD_TYPE_MAP = {
        RecordType.A: 'A',
        RecordType.MX: 'MX',
        RecordType.TXT: 'TXT'
    }

    def list_zones(self):
        """
        Return a list of zones.

        :return: ``list`` of :class:`Zone`
        """
        action = '/app/dns/dyndns.jsp?'
        params = {'action': 'QUERYZONES', 'api_key': self.key}

        response = self.connection.request(action=action, params=params)
        zones = self._to_zones(response.objects)

        return zones

    def list_records(self, zone):
        """
        Return a list of records for the provided zone.

        :param zone: Zone to list records for.
        :type zone: :class:`Zone`

        :return: ``list`` of :class:`Record`
        """
        action = '/app/dns/dyndns.jsp?'
        params = {'action': 'QUERY', 'name': '**.' + zone.id}
        try:
            response = self.connection.request(action=action, params=params)
        except ZonomiException as e:
            if e.code == '404':
                raise ZoneDoesNotExistError(zone_id=zone.id, driver=self,
                                            value=e.message)
            raise e

        records = self._to_records(response.objects, zone)

        return records

    def get_zone(self, zone_id):
        """
        Return a Zone instance.

        :param zone_id: ID of the required zone
        :type  zone_id: ``str``

        :rtype: :class:`Zone`
        """
        zone = None
        zones = self.list_zones()
        for z in zones:
            if z.id == zone_id:
                zone = z

        if zone is None:
            raise ZoneDoesNotExistError(zone_id=zone_id, driver=self, value='')

        return zone

    def get_record(self, zone_id, record_id):
        """
        Return a Record instance.

        :param zone_id: ID of the required zone
        :type  zone_id: ``str``

        :param record_id: ID of the required record
        :type  record_id: ``str``

        :rtype: :class:`Record`
        """
        record = None
        zone = self.get_zone(zone_id=zone_id)
        records = self.list_records(zone=zone)

        for r in records:
            if r.id == record_id:
                record = r

        if record is None:
            raise RecordDoesNotExistError(record_id=record_id, driver=self,
                                          value='')

        return record

    def create_zone(self, domain, type='master', ttl=None, extra=None):
        """
        Create a new zone.

        :param zone_id: Zone domain name (e.g. example.com)
        :type zone_id: ``str``

        :rtype: :class:`Zone`
        """
        action = '/app/dns/addzone.jsp?'
        params = {'name': domain}
        try:
            self.connection.request(action=action, params=params)
        except ZonomiException as e:
            if e.message == 'ERROR: This zone is already in your zone list.':
                raise ZoneAlreadyExistsError(zone_id=domain, driver=self,
                                             value=e.message)
            raise e

        zone = Zone(id=domain, domain=domain, type='master', ttl=ttl,
                    driver=self, extra=extra)
        return zone

    def create_record(self, name, zone, type, data, extra=None):
        """
        Create a new record.

        :param name: Record name without the domain name (e.g. www).
                     Note: If you want to create a record for a base domain
                     name, you should specify empty string ('') for this
                     argument.
        :type  name: ``str``

        :param zone: Zone where the requested record is created.
        :type  zone: :class:`Zone`

        :param type: DNS record type (A, MX, TXT).
        :type  type: :class:`RecordType`

        :param data: Data for the record (depends on the record type).
        :type  data: ``str``

        :param extra: Extra attributes (driver specific, e.g. 'prio' or 'ttl').
                      (optional)
        :type extra: ``dict``

        :rtype: :class:`Record`
        """
        action = '/app/dns/dyndns.jsp?'
        if name:
            record_name = name + '.' + zone.domain
        else:
            record_name = zone.domain
        params = {'action': 'SET', 'name': record_name, 'value': data,
                  'type': type}

        if type == 'MX' and extra is not None:
            params['prio'] = extra.get('prio')
        try:
            response = self.connection.request(action=action, params=params)
        except ZonomiException as e:
            if ('ERROR: No zone found for %s' % record_name) in e.message:
                raise ZoneDoesNotExistError(zone_id=zone.id, driver=self,
                                            value=e.message)
            raise e

        # we determine if an A or MX record already exists
        # by looking at the response.If the key 'skipped' is present in the
        # response, it means record already exists. If this is True,
        # then raise RecordAlreadyExistsError
        if len(response.objects) != 0 and \
           response.objects[0].get('skipped') == 'unchanged':
            raise RecordAlreadyExistsError(record_id=name, driver=self,
                                           value='')

        if 'DELETED' in response.objects:
            for el in response.objects[:2]:
                if el.get('content') == data:
                    response.objects = [el]
        records = self._to_records(response.objects, zone=zone)
        return records[0]

    def delete_zone(self, zone):
        """
        Delete a zone.

        Note: This will delete all the records belonging to this zone.

        :param zone: Zone to delete.
        :type  zone: :class:`Zone`

        :rtype: ``bool``
        """
        action = '/app/dns/dyndns.jsp?'
        params = {'action': 'DELETEZONE', 'name': zone.id}
        try:
            response = self.connection.request(action=action, params=params)
        except ZonomiException as e:
            if e.code == '404':
                raise ZoneDoesNotExistError(zone_id=zone.id, driver=self,
                                            value=e.message)
            raise e

        return 'DELETED' in response.objects

    def delete_record(self, record):
        """
        Use this method to delete a record.

        :param record: record to delete
        :type record: `Record`

        :rtype: Bool
        """
        action = '/app/dns/dyndns.jsp?'
        params = {'action': 'DELETE', 'name': record.name, 'type': record.type}
        try:
            response = self.connection.request(action=action, params=params)
        except ZonomiException as e:
            if e.message == 'Record not deleted.':
                raise RecordDoesNotExistError(record_id=record.id, driver=self,
                                              value=e.message)
            raise e

        return 'DELETED' in response.objects

    def ex_convert_to_secondary(self, zone, master):
        """
        Convert existent zone to slave.

        :param zone: Zone to convert.
        :type  zone: :class:`Zone`

        :param master: the specified master name server IP address.
        :type  master: ``str``

        :rtype: Bool
        """
        action = '/app/dns/converttosecondary.jsp?'
        params = {'name': zone.domain, 'master': master}
        try:
            self.connection.request(action=action, params=params)
        except ZonomiException as e:
            if 'ERROR: Could not find' in e.message:
                raise ZoneDoesNotExistError(zone_id=zone.id, driver=self,
                                            value=e.message)
        return True

    def ex_convert_to_master(self, zone):
        """
        Convert existent zone to master.

        :param zone: Zone to convert.
        :type  zone: :class:`Zone`

        :rtype: Bool
        """
        action = '/app/dns/converttomaster.jsp?'
        params = {'name': zone.domain}
        try:
            self.connection.request(action=action, params=params)
        except ZonomiException as e:
            if 'ERROR: Could not find' in e.message:
                raise ZoneDoesNotExistError(zone_id=zone.id, driver=self,
                                            value=e.message)
        return True

    def _to_zone(self, item):
        if item['type'] == 'NATIVE':
            type = 'master'
        elif item['type'] == 'SLAVE':
            type = 'slave'
        zone = Zone(id=item['name'], domain=item['name'], type=type,
                    driver=self, extra={}, ttl=None)

        return zone

    def _to_zones(self, items):
        zones = []
        for item in items:
            zones.append(self._to_zone(item))

        return zones

    def _to_record(self, item, zone):
        if len(item.get('ttl')) > 0:
            ttl = item.get('ttl').split(' ')[0]
        else:
            ttl = None
        extra = {'ttl': ttl,
                 'prio': item.get('prio')}
        if len(item['name']) > len(zone.domain):
            full_domain = item['name']
            index = full_domain.index('.' + zone.domain)
            record_name = full_domain[:index]
        else:
            record_name = zone.domain
        record = Record(id=record_name, name=record_name,
                        data=item['content'], type=item['type'], zone=zone,
                        driver=self, ttl=ttl, extra=extra)

        return record

    def _to_records(self, items, zone):
        records = []
        for item in items:
            records.append(self._to_record(item, zone))

        return records
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