mirror of
https://github.com/nottinghamtec/PyRIGS.git
synced 2026-01-16 21:12:13 +00:00
127 lines
4.3 KiB
Python
127 lines
4.3 KiB
Python
from django.conf import settings
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from django.contrib.auth import REDIRECT_FIELD_NAME
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from django.http import HttpResponseRedirect
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from django.shortcuts import render
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from django.urls import reverse
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from RIGS import models
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def get_oembed(login_url, request, oembed_view, kwargs):
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context = {}
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context['oembed_url'] = f"{request.scheme}://{request.META['HTTP_HOST']}{reverse(oembed_view, kwargs=kwargs)}"
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context['login_url'] = f"{login_url}?{REDIRECT_FIELD_NAME}={request.get_full_path()}"
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resp = render(request, 'login_redirect.html', context=context)
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return resp
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def has_oembed(oembed_view, login_url=settings.LOGIN_URL):
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def _dec(view_func):
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def _checklogin(request, *args, **kwargs):
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if request.user.is_authenticated:
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return view_func(request, *args, **kwargs)
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else:
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if oembed_view is not None:
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return get_oembed(login_url, request, oembed_view, kwargs)
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else:
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return HttpResponseRedirect(f'{login_url}?{REDIRECT_FIELD_NAME}={request.get_full_path()}')
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_checklogin.__doc__ = view_func.__doc__
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_checklogin.__dict__ = view_func.__dict__
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return _checklogin
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return _dec
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def user_passes_test_with_403(test_func, login_url=None, oembed_view=None):
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"""
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Decorator for views that checks that the user passes the given test.
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Anonymous users will be redirected to login_url, while users that fail
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the test will be given a 403 error.
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If embed_view is set, then a JS redirect will be used, and a application/json+oembed
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meta tag set with the url of oembed_view
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(oembed_view will be passed the kwargs from the main function)
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"""
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if not login_url:
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from django.conf import settings
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login_url = settings.LOGIN_URL
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def _dec(view_func):
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def _checklogin(request, *args, **kwargs):
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if test_func(request.user):
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return view_func(request, *args, **kwargs)
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elif not request.user.is_authenticated:
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if oembed_view is not None:
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return get_oembed(login_url, request, oembed_view, kwargs)
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else:
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return HttpResponseRedirect(f'{login_url}?{REDIRECT_FIELD_NAME}={request.get_full_path()}')
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else:
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resp = render(request, '403.html')
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resp.status_code = 403
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return resp
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_checklogin.__doc__ = view_func.__doc__
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_checklogin.__dict__ = view_func.__dict__
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return _checklogin
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return _dec
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def permission_required_with_403(perm, login_url=None, oembed_view=None):
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"""
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Decorator for views that checks whether a user has a particular permission
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enabled, redirecting to the log-in page or rendering a 403 as necessary.
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"""
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return user_passes_test_with_403(lambda u: u.has_perm(perm), login_url=login_url, oembed_view=oembed_view)
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def api_key_required(function):
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"""
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Decorator for views that checks api_pk and api_key.
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Failed users will be given a 403 error.
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Should only be used for urls which include <api_pk> and <api_key> kwargs.
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Will update the kwargs to include the user object if successful (under the key 'user').
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"""
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def wrap(request, *args, **kwargs):
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userid = kwargs.get('api_pk')
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key = kwargs.get('api_key')
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error_resp = render(request, '403.html')
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error_resp.status_code = 403
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if key is None:
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return error_resp
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if userid is None:
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return error_resp
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try:
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user_object = models.Profile.objects.get(pk=userid)
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kwargs = {**kwargs, 'user': user_object}
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except models.Profile.DoesNotExist:
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return error_resp
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if user_object.api_key != key:
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return error_resp
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return function(request, *args, **kwargs)
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return wrap
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def nottinghamtec_address_required(function):
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"""
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Checks that the current user has an email address ending @nottinghamtec.co.uk
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"""
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def wrap(request, *args, **kwargs):
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# Fail if current user's email address isn't @nottinghamtec.co.uk
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if not request.user.email.endswith('@nottinghamtec.co.uk'):
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error_resp = render(request, 'eventauthorisation_request_error.html')
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return error_resp
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return function(request, *args, **kwargs)
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return wrap
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