├── .gitignore ├── .travis.yml ├── LICENSE ├── MANIFEST.in ├── Makefile ├── README.rst ├── conftest.py ├── runtests.py ├── setup.cfg ├── setup.py └── src └── viewas ├── __init__.py ├── middleware.py └── templates └── viewas └── header.html /.gitignore: -------------------------------------------------------------------------------- 1 | *.pyc 2 | *.egg-info/ 3 | /dist -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dcramer/django-view-as/6abb3c1bed847a2d32561ddcf1a3971178597298/.travis.yml -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. 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We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright 2013 David Cramer 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. -------------------------------------------------------------------------------- /MANIFEST.in: -------------------------------------------------------------------------------- 1 | include setup.py README.rst LICENSE MANIFEST.in 2 | recursive-include src/viewas/templates * 3 | recursive-include src/viewas/static * 4 | global-exclude *~ 5 | -------------------------------------------------------------------------------- /Makefile: -------------------------------------------------------------------------------- 1 | build: 2 | pip install -e . 3 | pip install "file://`pwd`#egg=django-login-as[tests]" 4 | 5 | test: build 6 | python runtests.py -x -------------------------------------------------------------------------------- /README.rst: -------------------------------------------------------------------------------- 1 | django-view-as 2 | ============== 3 | 4 | A simple middleware which allows a superuser to view the site on behalf of another user. 5 | 6 | This idea originated within Disqus, and has served quite well in helping debug user problems. 7 | 8 | 9 | Install 10 | ------- 11 | 12 | Install the package: 13 | 14 | :: 15 | 16 | pip install django-view-as 17 | 18 | 19 | Add the middleware: 20 | 21 | :: 22 | 23 | MIDDLEWARE_CLASSES = ( 24 | 'viewas.middleware.ViewAsMiddleware', 25 | ) 26 | 27 | Register the application within INSTALLED_APPS: 28 | 29 | :: 30 | 31 | INSTALLED_APPS = ( 32 | 'django.contrib.auth', 33 | 'django.contrib.sessions', 34 | 'viewas', 35 | ) 36 | 37 | Make sure the application loader is available for templates: 38 | 39 | :: 40 | 41 | TEMPLATE_LOADERS = ( 42 | 'django.template.loaders.app_directories.Loader', 43 | ) 44 | 45 | 46 | Usage 47 | ----- 48 | 49 | Load any page with an html response type, hit the tilda key (~), and you'll see a new toolbar at the bottom of the page. Enter a username to change who you're viewing the site as. 50 | 51 | 52 | Configure the menu toggle key 53 | ----------------------------- 54 | 55 | The following configuration option could be set in your settings.py to change the default keystroke to toggle the "View as" menu. Its value is the javascript key number that will be matched in the `keydown` event handler. 56 | 57 | :: 58 | 59 | VIEWAS_TOGGLE_KEY = 119 # F8 60 | 61 | 62 | If you need more complex behavior (such as not binding based on the superuser attribute), check out the source the middleware is designed to be extensibile. 63 | 64 | -------------------------------------------------------------------------------- /conftest.py: -------------------------------------------------------------------------------- 1 | from django.conf import settings 2 | 3 | 4 | def pytest_configure(config): 5 | if not settings.configured: 6 | settings.configure( 7 | DATABASE_ENGINE='sqlite3', 8 | DATABASES={ 9 | 'default': { 10 | 'NAME': ':memory:', 11 | 'ENGINE': 'django.db.backends.sqlite3', 12 | 'TEST_NAME': ':memory:', 13 | }, 14 | }, 15 | INSTALLED_APPS=[ 16 | 'django.contrib.auth', 17 | 'django.contrib.admin', 18 | 'django.contrib.sessions', 19 | 'django.contrib.sites', 20 | 'django.contrib.contenttypes', 21 | 'viewas', 22 | ], 23 | ROOT_URLCONF='', 24 | DEBUG=False, 25 | 26 | ) 27 | -------------------------------------------------------------------------------- /runtests.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | import sys 3 | 4 | 5 | def runtests(args=None): 6 | import pytest 7 | 8 | if not args: 9 | args = [] 10 | 11 | if not any(a for a in args[1:] if not a.startswith('-')): 12 | args.append('tests') 13 | 14 | sys.exit(pytest.main(args)) 15 | 16 | 17 | if __name__ == '__main__': 18 | runtests(sys.argv) 19 | -------------------------------------------------------------------------------- /setup.cfg: -------------------------------------------------------------------------------- 1 | [pytest] 2 | python_files=test*.py 3 | addopts=--tb=short -x 4 | -------------------------------------------------------------------------------- /setup.py: -------------------------------------------------------------------------------- 1 | from setuptools import find_packages, setup 2 | 3 | tests_require = [ 4 | 'mock', 5 | 'pytest', 6 | 'pytest-django', 7 | ] 8 | 9 | requires = [ 10 | 'Django', 11 | ] 12 | 13 | entry_points = { 14 | } 15 | 16 | 17 | setup( 18 | name='django-view-as', 19 | version='0.5.0', 20 | description="A Django middleware which allows you to view the site on behalf of a user.", 21 | author="David Cramer", 22 | author_email="dcramer@gmail.com", 23 | license='Apache License 2.0', 24 | package_dir={'': 'src'}, 25 | packages=find_packages("src"), 26 | include_package_data=True, 27 | install_requires=requires, 28 | extras_require={ 29 | 'tests': tests_require, 30 | }, 31 | entry_points=entry_points, 32 | zip_safe=False, 33 | ) 34 | -------------------------------------------------------------------------------- /src/viewas/__init__.py: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/dcramer/django-view-as/6abb3c1bed847a2d32561ddcf1a3971178597298/src/viewas/__init__.py -------------------------------------------------------------------------------- /src/viewas/middleware.py: -------------------------------------------------------------------------------- 1 | import logging 2 | from django.conf import settings 3 | from django.contrib import messages 4 | from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist 5 | from django.http import HttpResponseRedirect 6 | from django.template.loader import render_to_string 7 | from django.utils.encoding import smart_text 8 | from django.contrib.auth.models import AnonymousUser 9 | from django.utils.deprecation import MiddlewareMixin 10 | 11 | 12 | assert 'django.contrib.auth' in settings.INSTALLED_APPS 13 | assert 'django.contrib.sessions' in settings.INSTALLED_APPS 14 | assert 'viewas' in settings.INSTALLED_APPS 15 | 16 | if hasattr(settings, 'AUTH_USER_MODEL'): 17 | from django.contrib.auth import get_user_model 18 | 19 | User = get_user_model() 20 | else: 21 | from django.contrib.auth.models import User 22 | 23 | # tilda (192) as default key 24 | VIEWAS_TOGGLE_KEY = getattr(settings, 'VIEWAS_TOGGLE_KEY', 192) 25 | 26 | _HTML_TYPES = ('text/html', 'application/xhtml+xml') 27 | 28 | 29 | def replace_insensitive(string, target, replacement): 30 | """ 31 | Similar to string.replace() but is case insensitive 32 | Code borrowed from: http://forums.devshed.com/python-programming-11/case-insensitive-string-replace-490921.html 33 | """ 34 | no_case = string.lower() 35 | index = no_case.rfind(target.lower()) 36 | if index >= 0: 37 | return string[:index] + replacement + string[index + len(target):] 38 | # no results so return the original string 39 | return string 40 | 41 | 42 | class BaseMiddleware(MiddlewareMixin): 43 | def can_run(self, request): 44 | if not hasattr(request, 'user'): 45 | return False 46 | user = getattr(request, 'actual_user', request.user) 47 | return user.is_superuser 48 | 49 | 50 | class ViewAsHookMiddleware(BaseMiddleware): 51 | """ 52 | Authenticates a superuser as another user assuming a session variable is present. 53 | """ 54 | logger = logging.getLogger('viewas') 55 | 56 | def get_user(self, username): 57 | selector = User.USERNAME_FIELD + '__iexact' 58 | query = {selector: username} 59 | try: 60 | return User.objects.get(**query) 61 | except ObjectDoesNotExist: 62 | # try to look up by email 63 | if '@' in username: 64 | try: 65 | return User.objects.get(email__iexact=username) 66 | except (MultipleObjectsReturned, ObjectDoesNotExist): 67 | return None 68 | return None 69 | 70 | def login_as(self, request, username): 71 | if request.user.get_username().lower() == username.lower(): 72 | return 73 | 74 | if username == '': 75 | if 'login_as' in request.session: 76 | del request.session['login_as'] 77 | return 78 | 79 | self.logger.info( 80 | 'User %r forced a login as %r at %s', 81 | request.user.get_username(), username, request.get_full_path(), 82 | extra={'request': request}) 83 | 84 | user = self.get_user(username) 85 | if user: 86 | request.user = user 87 | request.session['login_as'] = request.user.get_username() 88 | else: 89 | messages.warning(request, "Did not find a user matching '%s'" % (username,)) 90 | if 'login_as' in request.session: 91 | del request.session['login_as'] 92 | 93 | def process_request(self, request): 94 | if not self.can_run(request): 95 | return 96 | 97 | request.actual_user = request.user 98 | 99 | if 'login_as' in request.POST: 100 | self.login_as(request, request.POST['login_as']) 101 | return HttpResponseRedirect(request.get_full_path()) 102 | 103 | elif 'login_as' in request.session: 104 | self.login_as(request, request.session['login_as']) 105 | 106 | 107 | class ViewAsRenderMiddleware(BaseMiddleware): 108 | tag = u'' 109 | 110 | def process_response(self, request, response): 111 | if not self.can_run(request): 112 | return response 113 | 114 | if ('gzip' not in response.get('Content-Encoding', '') and 115 | response.get('Content-Type', '').split(';')[0] in _HTML_TYPES): 116 | response.content = replace_insensitive( 117 | smart_text(response.content), 118 | self.tag, 119 | smart_text(self.render(request) + self.tag)) 120 | if response.get('Content-Length', None): 121 | response['Content-Length'] = len(response.content) 122 | return response 123 | 124 | def render(self, request): 125 | if not isinstance(request.user, AnonymousUser): 126 | request.user.username = request.user.get_username() 127 | if hasattr(request, 'actual_user'): 128 | request.actual_user.username = request.actual_user.get_username() 129 | return render_to_string('viewas/header.html', { 130 | 'VIEWAS_TOGGLE_KEY': VIEWAS_TOGGLE_KEY, 131 | 'request': request, 132 | }) 133 | 134 | 135 | class ViewAsMiddleware(ViewAsHookMiddleware, ViewAsRenderMiddleware): 136 | pass 137 | -------------------------------------------------------------------------------- /src/viewas/templates/viewas/header.html: -------------------------------------------------------------------------------- 1 | 92 | 93 |
94 | You are logged in as {{ request.user.username }} ({{ request.user.email }}) 95 |
96 |
97 | Switch user: {% if request.actual_user.username != request.user.username %}{% endif %} 98 |
99 | 100 | 113 | --------------------------------------------------------------------------------