mirror of https://github.com/jumpserver/jumpserver
232 lines
8.6 KiB
Python
232 lines
8.6 KiB
Python
import os
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import time
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import random
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import string
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from copy import deepcopy
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from openpyxl import Workbook
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from collections import defaultdict
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from django.utils import timezone
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from django.conf import settings
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from common.utils.timezone import local_now_display
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from common.utils.file import encrypt_and_compress_zip_file
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from common.utils import get_logger, lazyproperty, gen_key_pair
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from users.models import User
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from assets.models import ChangeSecretRecord
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from assets.notifications import ChangeSecretExecutionTaskMsg
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from assets.serializers import ChangeSecretRecordBackUpSerializer
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from assets.const import (
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AutomationTypes, SecretType, SecretStrategy, SSHKeyStrategy, DEFAULT_PASSWORD_RULES
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)
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from ..base.manager import BasePlaybookManager
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logger = get_logger(__name__)
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class ChangeSecretManager(BasePlaybookManager):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.method_hosts_mapper = defaultdict(list)
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self.secret_type = self.execution.snapshot['secret_type']
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self.secret_strategy = self.execution.snapshot['secret_strategy']
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self._password_generated = None
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self._ssh_key_generated = None
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self.name_recorder_mapper = {} # 做个映射，方便后面处理
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@classmethod
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def method_type(cls):
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return AutomationTypes.change_secret
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@lazyproperty
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def related_accounts(self):
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pass
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@staticmethod
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def generate_ssh_key():
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private_key, public_key = gen_key_pair()
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return private_key
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def generate_password(self):
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kwargs = self.execution.snapshot['password_rules'] or {}
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length = int(kwargs.get('length', DEFAULT_PASSWORD_RULES['length']))
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symbol_set = kwargs.get('symbol_set')
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if symbol_set is None:
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symbol_set = DEFAULT_PASSWORD_RULES['symbol_set']
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no_special_chars = string.ascii_letters + string.digits
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chars = no_special_chars + symbol_set
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first_char = random.choice(no_special_chars)
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password = ''.join([random.choice(chars) for _ in range(length - 1)])
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password = first_char + password
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return password
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def get_ssh_key(self):
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if self.secret_strategy == SecretStrategy.custom:
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secret = self.execution.snapshot['secret']
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if not secret:
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raise ValueError("Automation SSH key must be set")
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return secret
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elif self.secret_strategy == SecretStrategy.random_one:
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if not self._ssh_key_generated:
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self._ssh_key_generated = self.generate_ssh_key()
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return self._ssh_key_generated
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else:
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return self.generate_ssh_key()
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def get_password(self):
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if self.secret_strategy == SecretStrategy.custom:
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password = self.execution.snapshot['secret']
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if not password:
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raise ValueError("Automation Password must be set")
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return password
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elif self.secret_strategy == SecretStrategy.random_one:
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if not self._password_generated:
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self._password_generated = self.generate_password()
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return self._password_generated
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else:
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return self.generate_password()
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def get_secret(self):
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if self.secret_type == SecretType.SSH_KEY:
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secret = self.get_ssh_key()
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elif self.secret_type == SecretType.PASSWORD:
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secret = self.get_password()
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else:
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raise ValueError("Secret must be set")
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return secret
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def get_kwargs(self, account, secret):
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kwargs = {}
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if self.secret_type != SecretType.SSH_KEY:
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return kwargs
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kwargs['strategy'] = self.execution.snapshot['ssh_key_change_strategy']
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kwargs['exclusive'] = 'yes' if kwargs['strategy'] == SSHKeyStrategy.set else 'no'
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if kwargs['strategy'] == SSHKeyStrategy.set_jms:
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kwargs['dest'] = '/home/{}/.ssh/authorized_keys'.format(account.username)
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kwargs['regexp'] = '.*{}$'.format(secret.split()[2].strip())
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return kwargs
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def host_callback(self, host, asset=None, account=None, automation=None, path_dir=None, **kwargs):
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host = super().host_callback(host, asset=asset, account=account, automation=automation, **kwargs)
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if host.get('error'):
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return host
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accounts = asset.accounts.all()
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if account:
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accounts = accounts.exclude(id=account.id)
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if '*' not in self.execution.snapshot['accounts']:
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accounts = accounts.filter(username__in=self.execution.snapshot['accounts'])
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accounts = accounts.filter(secret_type=self.secret_type)
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method_attr = getattr(automation, self.method_type() + '_method')
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method_hosts = self.method_hosts_mapper[method_attr]
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method_hosts = [h for h in method_hosts if h != host['name']]
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inventory_hosts = []
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records = []
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host['secret_type'] = self.secret_type
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for account in accounts:
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h = deepcopy(host)
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h['name'] += '_' + account.username
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new_secret = self.get_secret()
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recorder = ChangeSecretRecord(
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asset=asset, account=account, execution=self.execution,
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old_secret=account.secret, new_secret=new_secret,
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)
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records.append(recorder)
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self.name_recorder_mapper[h['name']] = recorder
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private_key_path = None
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if self.secret_type == SecretType.SSH_KEY:
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private_key_path = self.generate_private_key_path(new_secret, path_dir)
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new_secret = self.generate_public_key(new_secret)
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h['kwargs'] = self.get_kwargs(account, new_secret)
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h['account'] = {
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'name': account.name,
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'username': account.username,
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'secret_type': account.secret_type,
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'secret': new_secret,
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'private_key_path': private_key_path
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}
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inventory_hosts.append(h)
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method_hosts.append(h['name'])
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self.method_hosts_mapper[method_attr] = method_hosts
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ChangeSecretRecord.objects.bulk_create(records)
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return inventory_hosts
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def on_host_success(self, host, result):
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recorder = self.name_recorder_mapper.get(host)
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if not recorder:
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return
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recorder.status = 'success'
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recorder.date_finished = timezone.now()
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recorder.save()
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account = recorder.account
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account.secret = recorder.new_secret
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account.save(update_fields=['secret'])
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def on_host_error(self, host, error, result):
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recorder = self.name_recorder_mapper.get(host)
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if not recorder:
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return
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recorder.status = 'failed'
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recorder.date_finished = timezone.now()
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recorder.error = error
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recorder.save()
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def on_runner_failed(self, runner, e):
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logger.error("Change secret error: ", e)
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def run(self, *args, **kwargs):
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super().run(*args, **kwargs)
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recorders = self.name_recorder_mapper.values()
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recorders = list(recorders)
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self.send_recorder_mail(recorders)
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def send_recorder_mail(self, recorders):
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recipients = self.execution.recipients
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if not recorders or not recipients:
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return
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recipients = User.objects.filter(id__in=list(recipients))
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name = self.execution.snapshot['name']
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path = os.path.join(os.path.dirname(settings.BASE_DIR), 'tmp')
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filename = os.path.join(path, f'{name}-{local_now_display()}-{time.time()}.xlsx')
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if not self.create_file(recorders, filename):
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return
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for user in recipients:
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attachments = []
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if user.secret_key:
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password = user.secret_key.encode('utf8')
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attachment = os.path.join(path, f'{name}-{local_now_display()}-{time.time()}.zip')
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encrypt_and_compress_zip_file(attachment, password, [filename])
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attachments = [attachment]
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ChangeSecretExecutionTaskMsg(name, user).publish(attachments)
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os.remove(filename)
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@staticmethod
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def create_file(recorders, filename):
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serializer_cls = ChangeSecretRecordBackUpSerializer
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serializer = serializer_cls(recorders, many=True)
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header = [v.label for v in serializer.child.fields.values()]
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rows = [list(row.values()) for row in serializer.data]
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if not rows:
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return False
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rows.insert(0, header)
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wb = Workbook(filename)
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ws = wb.create_sheet('Sheet1')
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for row in rows:
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ws.append(row)
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wb.save(filename)
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return True
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