From 13a58ef5cb599d3e8e3a9484bd84fa6fae3f3390 Mon Sep 17 00:00:00 2001
From: Simo Sorce <simo@redhat.com>
Date: Fri, 13 Dec 2013 21:56:52 -0500
Subject: [PATCH] Add page class handler

This also adds support for sessions and a somewhat custom page
dispatcher.

Signed-off-by: Simo Sorce <simo@redhat.com>
---
 examples/ipsilon.conf |  6 +++++
 src/ipsilon.py        |  4 +++-
 src/root.py           | 15 ++++--------
 src/util/page.py      | 53 +++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 66 insertions(+), 12 deletions(-)
 create mode 100755 src/util/page.py

diff --git a/examples/ipsilon.conf b/examples/ipsilon.conf
index 17cf5e9..cca7786 100644
--- a/examples/ipsilon.conf
+++ b/examples/ipsilon.conf
@@ -3,3 +3,9 @@ log.screen = True
 base.dir = "../"
 admin.config.db = "/var/lib/ipsilon/adminconfig.sqlite"
 user.prefs.db = "/var/lib/ipsilon/userprefs.sqlite"
+
+tools.sessions.on = True
+tools.sessions.storage_type = "file"
+tools.sessions.storage_path = "/var/lib/ipsilon/sessions"
+tools.sessions.timeout = 60
+tools.protect.on = True
diff --git a/src/ipsilon.py b/src/ipsilon.py
index 879de7d..7a782d6 100755
--- a/src/ipsilon.py
+++ b/src/ipsilon.py
@@ -26,10 +26,10 @@ import threading
 import cherrypy
 from util import plugin
 from util import data
+from util import page
 from jinja2 import Environment, FileSystemLoader
 import root
 
-
 cherrypy.config.update('ipsilon.conf')
 
 plugins = plugin.Plugins(path=cherrypy.config['base.dir'])
@@ -45,6 +45,8 @@ for option in admin_config:
 templates = os.path.join(cherrypy.config['base.dir'], 'templates')
 env = Environment(loader=FileSystemLoader(templates))
 
+cherrypy.tools.protect = cherrypy.Tool('before_handler', page.protect)
+
 if __name__ == "__main__":
     conf = { '/': {'tools.staticdir.root': os.getcwd()},
              '/ui': { 'tools.staticdir.on': True,
diff --git a/src/root.py b/src/root.py
index 0c6cd41..50247f7 100755
--- a/src/root.py
+++ b/src/root.py
@@ -18,6 +18,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from util import data
+from util import page
 import cherrypy
 
 class Site(object):
@@ -78,16 +79,8 @@ class User(object):
         #TODO: implement setting sites via the user object ?
         raise AttributeError
 
-class Root(object):
+class Root(page.Page):
 
-    def __init__(self, template_env):
-        self._env = template_env
-
-    @cherrypy.expose
-    def index_html(self):
+    def root(self):
         tmpl = self._env.get_template('index.html')
-        return tmpl.render(title='Root', user=User(None))
-
-    @cherrypy.expose
-    def index(self):
-        return self.index_html()
+        return tmpl.render(title='Root', user=User(self.username))
diff --git a/src/util/page.py b/src/util/page.py
new file mode 100755
index 0000000..4236e9f
--- /dev/null
+++ b/src/util/page.py
@@ -0,0 +1,53 @@
+#!/usr/bin/python
+#
+# Copyright (C) 2013  Simo Sorce <simo@redhat.com>
+#
+# see file 'COPYING' for use and warranty information
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import cherrypy
+
+def protect():
+    if cherrypy.request.login:
+        user = cherrypy.session.get('user', None)
+        if user == cherrypy.request.login:
+            return
+        else:
+            cherrypy.session.regenerate()
+            cherrypy.session['user'] = cherrypy.request.login
+
+class Page(object):
+    def __init__(self, template_env):
+        self._env = template_env
+        self.username = None
+
+    def __call__(self, *args, **kwargs):
+        self.username = cherrypy.session.get('user', None)
+
+        if len(args) > 0:
+            op = getattr(self, args[0], None)
+            if callable(op) and getattr(self, args[0]+'.exposed', None):
+                return op(args[1:], **kwargs)
+        else:
+            op = getattr(self, 'root', None)
+            if callable(op):
+                return op(**kwargs)
+
+        return self.default(*args, **kwargs)
+
+    def default(self, *args, **kwargs):
+        raise cherrypy.HTTPError(404)
+
+    exposed = True
-- 
2.20.1