mixins.py
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import logging
import requests
from django.contrib.auth import get_user_model
from django.contrib.auth.models import AnonymousUser
from rest_framework.generics import GenericAPIView
from rest_framework_jwt.utils import jwt_payload_handler, jwt_encode_handler
from common.exceptions import (
NeedLoginException,
InvalidParamsException,
InternalErrorException,
ObjectNotExitException,
AsyncWaitException,
NoPermissionException,
IllegalOperationException)
class GenericExceptionMixin:
def need_login(self, msg='need login'):
raise NeedLoginException(msg)
def invalid_params(self, msg='invalid params'):
raise InvalidParamsException(msg)
def internal_error(self, msg='internal error'):
raise InternalErrorException(msg)
def object_not_exit(self, msg='object not exit'):
raise ObjectNotExitException(msg)
def async_wait(self, msg='async wait'):
raise AsyncWaitException(msg)
def no_permission(self, msg='no permission'):
raise NoPermissionException(msg)
def illegal_operation(self, msg='illegal operation'):
raise IllegalOperationException(msg)
class LoggerMixin:
running_log = logging.getLogger('running')
exception_log = logging.getLogger('exception')
online_log = logging.getLogger('online')
folder_log = logging.getLogger('folder')
# bs_log = logging.getLogger('bs')
# license_log = logging.getLogger('license')
idcard_log = logging.getLogger('idcard')
class GenericView(LoggerMixin, GenericExceptionMixin, GenericAPIView):
need_print_logger = True
def print_logger(self, request):
parameters = getattr(request, request.method, {})
if not parameters:
parameters = getattr(request, 'data', {})
if not parameters:
parameters = {}
parameters_string = ''
for key, value in parameters.items():
parameters_string += '[%s=%s] ' % (key, value)
for key, value in self.kwargs.items():
parameters_string += '[%s=%s] ' % (key, value)
if request.user and not isinstance(request.user, AnonymousUser):
user_id = request.user.id
else:
user_id = 0
self.running_log.info('[%s_%s_request] with parameters [user_id=%s] %s'
% (self.__class__.__name__, request.method,
user_id, parameters_string))
def dispatch(self, request, *args, **kwargs):
"""
`.dispatch()` is pretty much the same as Django's regular dispatch,
but with extra hooks for startup, finalize, and exception handling.
"""
self.args = args
self.kwargs = kwargs
request = self.initialize_request(request, *args, **kwargs)
self.request = request
self.headers = self.default_response_headers # deprecate?
try:
self.initial(request, *args, **kwargs)
# Get the appropriate handler method
if request.method.lower() in self.http_method_names:
handler = getattr(self, request.method.lower(),
self.http_method_not_allowed)
else:
handler = self.http_method_not_allowed
if self.need_print_logger:
self.print_logger(request)
response = handler(request, *args, **kwargs)
except Exception as exc:
response = self.handle_exception(exc)
self.response = self.finalize_response(
request, response, *args, **kwargs)
return self.response
def get_object(self):
return None
class DocGenericView(LoggerMixin, GenericExceptionMixin, GenericAPIView):
need_print_logger = True
def print_logger(self, request):
# parameters = getattr(request, request.method, {})
parameters = None
if not parameters:
parameters = getattr(request, 'data', {})
if not parameters:
parameters = {}
parameters_string = ''
for key, value in parameters.items():
parameters_string += '[%s=%s] ' % (key, value)
for key, value in self.kwargs.items():
parameters_string += '[%s=%s] ' % (key, value)
if request.user and not isinstance(request.user, AnonymousUser):
user_id = request.user.id
else:
user_id = 0
self.running_log.info('[%s_%s_request] with parameters [user_id=%s] %s'
% (self.__class__.__name__, request.method,
user_id, parameters_string))
def dispatch(self, request, *args, **kwargs):
"""
`.dispatch()` is pretty much the same as Django's regular dispatch,
but with extra hooks for startup, finalize, and exception handling.
"""
self.args = args
self.kwargs = kwargs
request = self.initialize_request(request, *args, **kwargs)
self.request = request
self.headers = self.default_response_headers # deprecate?
try:
self.initial(request, *args, **kwargs)
# Get the appropriate handler method
if request.method.lower() in self.http_method_names:
handler = getattr(self, request.method.lower(),
self.http_method_not_allowed)
else:
handler = self.http_method_not_allowed
if self.need_print_logger:
self.print_logger(request)
response = handler(request, *args, **kwargs)
except Exception as exc:
response = self.handle_exception(exc)
self.response = self.finalize_response(
request, response, *args, **kwargs)
return self.response
def get_object(self):
return None
class IWABaseView:
permission_classes = ()
authentication_classes = ()
@staticmethod
def get_token(iwa_url_base, code, redirect_uri, client_id_base64):
headers = {
'Authorization': 'Basic {0}'.format(client_id_base64), # client_id:secret做base64encode
'Content-type': 'application/x-www-form-urlencoded',
}
get_params_dict = {
'grant_type': 'authorization_code',
'code': code,
'redirect_uri': redirect_uri,
}
# get_params_str = '&'.join(['{0}={1}'.format(k, v) for k, v in get_params_dict.items()])
iwa_token_url = '{0}intranetb2x/access_token'.format(iwa_url_base)
res = requests.post(url=iwa_token_url, headers=headers, data=get_params_dict)
return res.json().get('access_token', '')
def get_q_number(self, iwa_url_base, code, redirect_uri, client_id_base64):
access_token = self.get_token(iwa_url_base, code, redirect_uri, client_id_base64)
headers = {
'Authorization': 'Bearer {0}'.format(access_token)
}
iwa_user_url = '{0}intranetb2x/userinfo'.format(iwa_url_base)
res = requests.get(iwa_user_url, headers=headers)
return res.json().get('sub', '')
@staticmethod
def validate(q_number):
if not q_number:
return False, 'get q_number empty'
user = get_user_model().objects.filter(username=q_number).first()
if user:
if not user.is_active:
msg = 'User account is disabled.'
return False, msg
payload = jwt_payload_handler(user)
user_info = {
'user_id': user.id,
'user_name': user.username,
'token': jwt_encode_handler(payload),
}
return True, user_info
else:
msg = 'q_number user not found'
return False, msg
@staticmethod
def validate_admin(q_number):
if not q_number:
return False, 'get q_number empty'
user = get_user_model().objects.filter(username=q_number).first()
if user:
if not user.is_active:
msg = 'User account is disabled.'
return False, msg
if not user.is_superuser:
msg = 'User account is not admin user'
return False, msg
return True, user
else:
msg = 'q_number user not found'
return False, msg