Archived
206 lines
8.1 KiB
Python
206 lines
8.1 KiB
Python
from django.conf.urls import url
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from django.contrib.auth.hashers import make_password
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from django.contrib.auth.models import User
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from django.db import IntegrityError
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from django.shortcuts import get_object_or_404
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from tastypie.authorization import Authorization
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from tastypie.exceptions import ImmediateHttpResponse, BadRequest
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from tastypie.http import HttpForbidden, HttpNoContent, HttpResponse, HttpAccepted
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from tastypie import fields
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from tastypie.resources import ModelResource, ALL
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from tastypie.validation import CleanedDataFormValidation
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from dusken.api.groupsbymember import GroupsByMemberResource
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from dusken.authentication import MyApiKeyAuthentication, ServiceAuthentication
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from dusken.authorization import MyDjangoAuthorization
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from dusken.models import *
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from dusken.utils.api import generate_username, random_string
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from dusken.forms import MemberCreateForm
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class MemberResource(ModelResource):
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"""
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This class provides following endpoints:
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(1) /api/v1/member/
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(2) /api/v1/member/{id}/
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"""
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class Meta:
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queryset = Member.objects.all()
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resource_name = 'member'
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list_allowed_methods = [ 'get' ]
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detail_allowed_methods = [ 'get', 'patch', 'delete' ]
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authentication = MyApiKeyAuthentication() # Who are you?
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authorization = MyDjangoAuthorization() # What are you allowed to do?
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excludes = [ 'date_joined', 'password', 'is_active', 'is_staff', 'is_superuser', 'last_login' ]
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filtering = {
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'first_name' : [ 'exact' ],
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'last_name' : [ 'exact' ],
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'phone_number' : [ 'exact' ],
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'email' : [ 'exact' ],
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}
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def prepend_urls(self):
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return [
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url(r"^(?P<resource_name>%s)/(?P<member_id>\d+)/groups/$" % (self._meta.resource_name), self.wrap_view("list_groups"), name="api_groups"),
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url(r"^(?P<resource_name>%s)/(?P<member_id>\d+)/groups/(?P<group_id>\d+)/$" % (self._meta.resource_name), self.wrap_view("detail_groups"), name="api_detail_groups"),
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url(r"^(?P<resource_name>%s)/register/$" % (self._meta.resource_name), self.wrap_view("register_member"), name="api_register_member"),
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]
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def list_groups(self, request, **kwargs):
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resource = GroupsByMemberResource()
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return resource.dispatch_list(request, **kwargs)
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def detail_groups(self, request, **kwargs):
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resource = GroupsByMemberResource()
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return resource.dispatch_detail(request, **kwargs)
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def register_member(self, request, **kwargs):
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resource = MemberCreateResource()
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return resource.dispatch_list(request, **kwargs)
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def hydrate(self, bundle):
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"""
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Catches PATCH requests and intercepts data.
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"""
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# If the user already exists, return an error when attempting to change the username.
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if bundle.data['username'] != bundle.obj.username:
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raise ImmediateHttpResponse(HttpForbidden("You can't change your username."))
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return bundle
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def obj_update(self, bundle, **kwargs):
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if bundle.data.get('password') is not None:
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bundle.obj.set_password(bundle.data['password'])
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bundle.obj.save()
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if 'address' in bundle.data and bundle.data['address'] is not None:
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new_address = bundle.data.get('address')
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address = bundle.obj.address
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self._update_address(address, new_address)
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return super(MemberResource, self).obj_update(bundle, **kwargs)
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def _update_address(self, address, new_address):
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if 'street_address' in new_address:
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address.street_address = new_address['street_address']
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if 'street_address_two' in new_address:
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address.street_address_two = new_address['street_address_two']
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if 'city' in new_address:
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address.city = new_address['city']
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if 'postal_code' in new_address:
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address.postal_code = new_address['postal_code']
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if 'country' in new_address:
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try:
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country = Country.objects.get(name=new_address['country'])
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except Country.DoesNotExist, e:
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# FIXME change to badrequest?
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raise ImmediateHttpResponse(HttpForbidden(
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'The country "{}" does not exist.'.format(new_address['country']))
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)
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else:
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address.country = country
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address.save()
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def dehydrate(self, bundle):
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"""
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Catches GET requests and adds more data.
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"""
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# Add address:
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address = bundle.obj.address
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if address is None:
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bundle.data['address'] = None
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else:
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# TODO: There has to be a better way...
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bundle.data['address'] = {
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'city' : address.city,
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'country' : address.country.name,
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'postal_code' : address.postal_code,
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'street_address' : address.street_address,
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}
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return bundle
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def post_detail(self, request, **kwargs):
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try:
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member = MemberResource.objects.get(kwargs['pk'])
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member.is_active = True
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member.save()
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return HttpAccepted()
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except MemberResource.DoesNotExist:
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pass
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return super(MemberResource, self).post_detail(request, **kwargs)
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def patch_list(self, request, **kwargs):
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return super(MemberResource, self).patch_list(request, **kwargs)
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def patch_detail(self, request, **kwargs):
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return super(MemberResource, self).patch_detail(request, **kwargs)
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def delete_list(self, request, **kwargs):
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return super(MemberResource, self).delete_list(request, **kwargs)
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def delete_detail(self, request, **kwargs):
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member = MemberResource.objects.get(kwargs['pk'])
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member.is_active = False
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member.save()
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return HttpNoContent()
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class MemberCreateResource(ModelResource):
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# TODO
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# - get the post request to return auth info
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# - Code 400 is triggered on validation error instead of 403 in tastypie.resource.ModelResource.save().
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"""
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This class provides the following endpoint:
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(1) /api/v1/member/register/
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The create Member resource is needed because:
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- You need a user account to authenticate to our API
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- and you need to to be authenticated to create a user account.
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Ref: http://psjinx.com/programming/2013/06/07/so-you-want-to-create-users-using-djangotastypie/
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"""
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class Meta:
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list_allowed_methods = [ 'post' ]
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detail_allowed_methods = []
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default_format = "application/json"
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queryset = Member.objects.all()
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authentication = ServiceAuthentication() # anyone
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authorization = Authorization() # can do what they want with anything
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always_return_data = True
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excludes = [ 'date_joined', 'password', 'is_active', 'is_staff', 'is_superuser', 'last_login' ]
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validation = CleanedDataFormValidation(form_class=MemberCreateForm)
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def dehydrate(self, bundle):
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# Do not return fields in excludes
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# Ref: https://groups.google.com/forum/#!topic/django-tastypie/WE_d92Fkl-I/discussion
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for field in getattr(self.Meta, 'excludes', []):
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if field in bundle.data:
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del bundle.data[field]
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return bundle
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def obj_create(self, bundle, request=None, **kwargs):
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# TODO factor out validation and cleaning of fields:
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# * password
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# * username
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password = bundle.data.get('password')
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if not password:
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# generate a random password if it is not provided
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bundle.data['password'] = Member.objects.make_random_password(length=32)
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if not bundle.data.get('username'):
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# Simply use the provided email
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bundle.data['username'] = bundle.data['email']
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# When creating a new user, check if it already exists:
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try:
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bundle = super(MemberCreateResource, self).obj_create(bundle, **kwargs)
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bundle.obj.set_password(password)
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bundle.obj.save()
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except IntegrityError as e:
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raise ImmediateHttpResponse(HttpForbidden("Database error: {0}".format(e)))
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return bundle
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