add template filter to decide if the user wants the front of back office

MANIFEST.in

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+include COPYING
+include VERSION
+include MANIFEST.in

setup.py

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+#!/usr/bin/python
+import sys
+import os
+import subprocess
+
+from setuptools import setup, find_packages
+from distutils.command.sdist import sdist
+
+
+class eo_sdist(sdist):
+
+    def run(self):
+        print "creating VERSION file"
+        if os.path.exists('VERSION'):
+            os.remove('VERSION')
+        version = get_version()
+        version_file = open('VERSION', 'w')
+        version_file.write(version)
+        version_file.close()
+        sdist.run(self)
+        print "removing VERSION file"
+        if os.path.exists('VERSION'):
+            os.remove('VERSION')
+
+
+def get_version():
+    if os.path.exists('VERSION'):
+        version_file = open('VERSION', 'r')
+        version = version_file.read()
+        version_file.close()
+        return version
+    if os.path.exists('.git'):
+        p = subprocess.Popen(['git', 'describe', '--dirty', '--match=v*'], stdout=subprocess.PIPE)
+        result = p.communicate()[0]
+        if p.returncode == 0:
+            version = result.split()[0][1:]
+            version = version.replace('-', '.').replace('.g', '+g')
+            return version
+    return '0'
+
+
+setup(
+    name='authentic2-gnm',
+    version=get_version(),
+    license='AGPLv3',
+    description='Authentic2 GNM plugin',
+    author="Entr'ouvert",
+    author_email="info@entrouvert.com",
+    packages=find_packages('src'),
+    package_dir={
+        '': 'src',
+    },
+    package_data={
+    },
+    install_requires=[
+        'authentic2',
+    ],
+    entry_points={
+        'authentic2.plugin': [
+            'authentic2-gnm = authentic2_gnm:Plugin',
+        ],
+    },
+    cmdclass={
+        'sdist': eo_sdist},
+    zip_safe=False,
+)

src/authentic2_gnm/__init__.py

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+# authentic2_gnm - Authentic2 plugin for GNM
+# Copyright (C) 2017  Entr'ouvert
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import django.apps
+
+class AppConfig(django.apps.AppConfig):
+    name = 'authentic2_gnm'
+
+default_app_config = 'authentic2_gnm.AppConfig'
+
+
+class Plugin(object):
+    def get_apps(self):
+        return [__name__]

src/authentic2_gnm/templatetags/gnm.py

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+# authentic2_gnm - Authentic2 plugin for GNM
+# Copyright (C) 2017  Entr'ouvert
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU Affero General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import urlparse
+import xml.etree.ElementTree as ET
+
+from django import template
+from django.conf import settings
+
+register = template.Library()
+
+
+@register.filter
+def is_coming_for(request):
+    try:
+        authn_request = ET.fromstring(request.session['saml:authnRequest'])
+        next_url = authn_request.findall(
+                '{urn:oasis:names:tc:SAML:2.0:protocol}Extensions/{https://www.entrouvert.com/}next_url')[0].text
+    except (KeyError, IndexError):
+        return 'unknown'
+    target_path = urlparse.urlparse(next_url).path
+    for prefix in ('manage', 'admin', 'backoffice'):
+        if target_path.startswith('/%s/' % prefix):
+            return 'backoffice'
+
+    target_domain = urlparse.urlparse(next_url).netloc
+    target_service = None
+    for service_type in settings.KNOWN_SERVICES.keys():
+        for service_data in settings.KNOWN_SERVICES[service_type].values():
+            if urlparse.urlparse(service_data['url']).netloc == target_domain:
+                target_service = service_data
+                break
+        if target_service:
+            if target_service.get('is-portal-agent'):
+                return 'backoffice'
+            if service_type in ('hobo', 'passerelle'):
+                return 'backoffice'
+            break
+
+    return 'frontoffice'