Add mutli-user mode to user-agent

- Issue #576

- To start in multi user, run with --multi-user --provider provider-name.tld

1 files changed, 105 insertions, 0 deletions

diff --git a/service/pixelated/resources/login_resource.py b/service/pixelated/resources/login_resource.py
new file mode 100644
index 00000000..b0e8ac3b
--- /dev/null
+++ b/service/pixelated/resources/login_resource.py
@@ -0,0 +1,105 @@
+#
+# Copyright (c) 2016 ThoughtWorks, Inc.
+#
+# Pixelated 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.
+#
+# Pixelated 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 Pixelated. If not, see <http://www.gnu.org/licenses/>.
+
+import logging
+import os
+from string import Template
+
+from twisted.cred import credentials
+from twisted.internet import defer
+from twisted.web.resource import IResource
+from twisted.web.server import NOT_DONE_YET
+from twisted.web.static import File
+
+from pixelated.resources import BaseResource, UnAuthorizedResource
+
+log = logging.getLogger(__name__)
+
+
+class LoginResource(BaseResource):
+
+    def __init__(self, services_factory, portal=None):
+        BaseResource.__init__(self, services_factory)
+        self._static_folder = self._get_static_folder()
+        self._startup_folder = self._get_startup_folder()
+        self._html_template = open(os.path.join(self._startup_folder, 'login.html')).read()
+        self._portal = portal
+        self.putChild('startup-assets', File(self._startup_folder))
+
+    def set_portal(self, portal):
+        self._portal = portal
+
+    def getChild(self, path, request):
+        if path == '':
+            return self
+        if path == 'login':
+            return self
+        return UnAuthorizedResource()
+
+    def render_GET(self, request):
+        response = Template(self._html_template).safe_substitute()
+        return str(response)
+
+    def render_POST(self, request):
+
+        def render_response(response):
+            request.redirect("/")
+            request.finish()
+
+        def render_error(error):
+            login_form = self.render_GET(request)
+            request.status = 500
+            request.write('We got an error:\n')
+            request.write(str(error))
+            request.write(login_form)
+            request.finish()
+
+        d = self._handle_login(request)
+        d.addCallbacks(render_response, render_error)
+
+        return NOT_DONE_YET
+
+    @defer.inlineCallbacks
+    def _handle_login(self, request):
+        if self.is_logged_in(request):
+            defer.succeed(None)
+            return
+        username = request.args['username'][0]
+        password = request.args['password'][0]
+        creds = credentials.UsernamePassword(username, password)
+
+        iface, leap_user, logout = yield self._portal.login(creds, None, IResource)
+
+        # we should really check whether the response is anonymous
+
+        yield leap_user.start_services(self._services_factory)
+        leap_user.init_http_session(request)
+
+        log.info('about to redirect to home page')
+
+    def _get_startup_folder(self):
+        path = os.path.dirname(os.path.abspath(__file__))
+        return os.path.join(path, '..', 'assets')
+
+    def _get_static_folder(self):
+        static_folder = os.path.abspath(os.path.join(os.path.abspath(__file__), "..", "..", "..", "web-ui", "app"))
+        # this is a workaround for packaging
+        if not os.path.exists(static_folder):
+            static_folder = os.path.abspath(
+                os.path.join(os.path.abspath(__file__), "..", "..", "..", "..", "web-ui", "app"))
+        if not os.path.exists(static_folder):
+            static_folder = os.path.join('/', 'usr', 'share', 'pixelated-user-agent')
+        return static_folder