"Top redirection" feature.

A new admin parameter is available to specify the default application that will be launched when no one is present in the url. (ie. when the top level "/" is called).

fixed #165

admin/__init__.py

@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
 
-from modoboa.lib import parameters
+from modoboa.lib import parameters, events
 from django.utils.translation import ugettext as _
+from models import Extension
 
 parameters.register_admin("STORAGE_PATH", type="string", deflt="/var/vmail",
                           help=_("Path to the root directory where messages are stored"))
@@ -19,3 +20,21 @@ parameters.register_admin("PASSWORD_SCHEME", type="list", deflt="crypt",
                           help=_("Scheme used to crypt mailbox passwords"))
 parameters.register_admin("ITEMS_PER_PAGE", type="int", deflt=30,
                           help=_("Number of displayed items per page"))
+
+parameters.register_admin("DEFAULT_TOP_REDIRECTION", type="list", deflt="admin",
+                          app="general",
+                          values=sorted([("admin", "admin"), ("userprefs", "userprefs")] \
+                                            + map(lambda ext: (ext.name, ext.name), 
+                                                  Extension.objects.filter(enabled=True))),
+                          help=_("The default redirection used when no application is specified"))
+
+def unset_default_topredirection(**kwargs):
+    """
+    Simple callback to change the default redirection if the
+    corresponding extension is being disabled.
+    """
+    topredirection = parameters.get_admin("DEFAULT_TOP_REDIRECTION", app="general")
+    if topredirection == kwargs["ext"].name:
+        parameters.save_admin("DEFAULT_TOP_REDIRECTION", "userprefs", app="general")
+
+events.register("ExtDisabled", unset_default_topredirection)

admin/lib.py

@@ -44,20 +44,22 @@ def good_domain(f):
     def dec(request, **kwargs):
         if request.user.is_superuser:
             return f(request, **kwargs)
-        mb = Mailbox.objects.get(user=request.user.id)
-        access = True
-        if request.GET.has_key("domid"):
-            dom_id = int(request.GET["domid"])
-            if dom_id != mb.domain.id:
-                access = False
-        else:
-            q = request.GET.copy()
-            q["domid"] = mb.domain.id
-            request.GET = q
-        if access:
-            return f(request, **kwargs)
+        if is_domain_admin(request.user):
+            mb = Mailbox.objects.get(user=request.user.id)
+            access = True
+            if request.GET.has_key("domid"):
+                dom_id = int(request.GET["domid"])
+                if dom_id != mb.domain.id:
+                    access = False
+            else:
+                q = request.GET.copy()
+                q["domid"] = mb.domain.id
+                request.GET = q
+            if access:
+                return f(request, **kwargs)
 
         from django.conf import settings
+        from django.utils.http import urlquote
         path = urlquote(request.get_full_path())
         login_url = settings.LOGIN_URL
         return HttpResponseRedirect("%s?next=%s" % (login_url, path))

admin/models.py

@@ -3,7 +3,7 @@ from django.db import models, IntegrityError
 from django.contrib.auth.models import User
 from django.utils.translation import ugettext as _, ugettext_noop
 from django.conf import settings
-from modoboa.lib import parameters
+from modoboa.lib import parameters, events
 from modoboa.lib.sysutils import exec_cmd, exec_as_vuser
 from modoboa.lib.emailutils import split_mailbox
 from modoboa.auth.lib import crypt_password
@@ -418,6 +418,8 @@ class Extension(models.Model):
             exec_cmd("ln -s %s/static %s/static/%s" % \
                          (extdir, settings.MODOBOA_DIR, self.name))
 
+        events.raiseEvent("ExtEnabled", ext=self)
+
     def off(self):
         self.unload()
 
@@ -431,6 +433,8 @@ class Extension(models.Model):
         if os.path.exists(staticpath):
             exec_cmd("rm -r %s/static/%s" % (settings.MODOBOA_DIR, self.name)) 
 
+        events.raiseEvent("ExtDisabled", ext=self)
+
 #
 # Optional callback to execute if django-auth-ldap is enabled.
 #

admin/views.py

@@ -2,7 +2,6 @@
 from django.http import HttpResponse, HttpResponseRedirect
 from django.utils import simplejson
 from django.utils.translation import ugettext as _, ungettext
-from django.utils.http import urlquote
 from django.core.urlresolvers import reverse
 from django.contrib.auth.decorators \
     import login_required, permission_required, user_passes_test

extensions/__init__.py

@@ -6,6 +6,10 @@ from django.conf import settings
 def isinstalled(ext):
     return "modoboa.extensions.%s" % ext in settings.INSTALLED_APPS
 
+def get_extension_infos(name):
+    ext = __import__(name, globals(), locals(), ["main"])
+    return ext.main.infos()
+
 def loadextensions(prefix):
     # To avoid a circular import...
     from modoboa.admin.models import Extension

extensions/amavis_quarantine/main.py

@@ -12,7 +12,8 @@ def infos():
     return {
         "name" : "Amavis quarantine",
         "version" : "1.0",
-        "description" : ugettext("Simple amavis quarantine management tool")
+        "description" : ugettext("Simple amavis quarantine management tool"),
+        "url" : "quarantine"
         }
 
 def init():

extensions/postfix_autoreply/main.py

@@ -18,7 +18,8 @@ def infos():
     return {
         "name" : "Postfix autoreply",
         "version" : "1.0",
-        "description" : ugettext("Auto-reply (vacation) functionality using Postfix")
+        "description" : ugettext("Auto-reply (vacation) functionality using Postfix"),
+        "url" : "postfix_autoreply"
         }
 
 def init():

extensions/sievefilters/main.py

@@ -39,7 +39,8 @@ def infos():
     return {
         "name" : "Sieve filters",
         "version" : "1.0",
-        "description" : ugettext("Plugin to easily create server-side filters")
+        "description" : ugettext("Plugin to easily create server-side filters"),
+        "url" : "sfilters"
         }
 
 def urls(prefix):

extensions/stats/main.py

@@ -17,7 +17,8 @@ def infos():
     return {
         "name" : "Statistics",
         "version" : "1.0",
-        "description" : ugettext("Graphical statistics about emails traffic using RRDtool")
+        "description" : ugettext("Graphical statistics about emails traffic using RRDtool"),
+        "url" : "stats"
         }
 
 def init():

extensions/webmail/main.py

@@ -73,7 +73,8 @@ def infos():
     return {
         "name" : "Webmail",
         "version" : "1.0",
-        "description" : ugettext("Simple IMAP webmail")
+        "description" : ugettext("Simple IMAP webmail"),
+        "url" : "webmail"
         }
 
 def urls(prefix):

lib/events.py

@@ -18,6 +18,9 @@ events = ["CreateDomain",
           "PermsGetTables",
           "PermsGetClass",
 
+          "ExtEnabled",
+          "ExtDisabled",
+
           "UserLogin",
           "UserLogout"]
 

lib/webutils.py

@@ -3,9 +3,10 @@
 """
 This module contains extra functions/shortcuts used to render HTML.
 """
-import sys
+import os, sys
 import re
-from django.http import HttpResponse
+from django.http import HttpResponse, HttpResponseRedirect
+from django.contrib.auth.decorators import login_required
 from django.shortcuts import render_to_response
 from django.template.loader import render_to_string
 from django import template
@@ -141,3 +142,31 @@ def size2integer(value):
     if m.group(2)[0] in ["G", "g"]:
         return int(m.group(1)) * 2 ** 30
     return 0
+
+@login_required
+def topredirection(request):
+    """Simple view to redirect the request when no application is specified
+
+    The default "top redirection" can be specified in the *Admin >
+    Settings* panel. It is the application that will be launched by
+    default. Users that are not allowed to access this application
+    will be redirected to the "User preferences" application.
+
+    :param request: a Request object
+    """
+    from modoboa.lib import parameters
+    from modoboa.extensions import get_extension_infos
+    from modoboa.admin.lib import is_domain_admin
+
+    topredir = parameters.get_admin("DEFAULT_TOP_REDIRECTION", app="general")
+    if not topredir in ["admin", "userprefs"]:
+        infos = get_extension_infos(topredir)
+        path = infos["url"]
+    else:
+        path = topredir
+
+    if topredir in ["admin", "stats"] and \
+            (not request.user.is_superuser and not is_domain_admin(request.user)):
+        path = "userprefs"
+
+    return HttpResponseRedirect(path)

urls.py

@@ -11,6 +11,7 @@ if prefix != "":
         prefix += "/"
 
 urlpatterns = patterns('',
+    (r'^%s$' % prefix, 'modoboa.lib.webutils.topredirection'),
     (r'^%sadmin/' % prefix, include('modoboa.admin.urls')),
     (r'^%suserprefs/' % prefix, include('modoboa.userprefs.urls')),
     (r'^accounts/login/$', 'modoboa.auth.views.dologin'),