--- a/.hgtags	Thu Jan 17 17:20:23 2013 +0100
+++ b/.hgtags	Thu Jan 17 17:21:51 2013 +0100
@@ -8,3 +8,4 @@
 783daa58e7a27a9151c0e225beaee0a2e04c0c76 V00.06
 d081fc4250c299647db44e2963426dd36e293f89 V00.07
 0e1105a35754d3981826d7683ab17e5fc0411cc0 V00.08
+ebaf7878c756ff54575e7380649e3496c1c1c754 V00.09

--- a/src/hashcut/__init__.py	Thu Jan 17 17:20:23 2013 +0100
+++ b/src/hashcut/__init__.py	Thu Jan 17 17:21:51 2013 +0100
@@ -1,4 +1,4 @@
-VERSION = (0, 8, 0, "final", 0)
+VERSION = (0, 9, 0, "final", 0)
 
 
 def get_version():

--- a/src/hashcut/static/hashcut/bpi/css/common.css	Thu Jan 17 17:20:23 2013 +0100
+++ b/src/hashcut/static/hashcut/bpi/css/common.css	Thu Jan 17 17:21:51 2013 +0100
@@ -340,7 +340,7 @@
 }
 
 /* popin - user - signup */
-.signup-button{
+.signup-button, .logout-button{
 	background-color: #de2500;
 }
 .user .popin-content{

--- a/src/hashcut/static/hashcut/iri/css/common.css	Thu Jan 17 17:20:23 2013 +0100
+++ b/src/hashcut/static/hashcut/iri/css/common.css	Thu Jan 17 17:21:51 2013 +0100
@@ -340,7 +340,7 @@
 }
 
 /* popin - user - signup */
-.signup-button{
+.signup-button, .logout-button{
 	background-color: #de2500;
 }
 .user .popin-content{

--- a/src/hashcut/templates/partial/mashup_popin_user.html	Thu Jan 17 17:20:23 2013 +0100
+++ b/src/hashcut/templates/partial/mashup_popin_user.html	Thu Jan 17 17:21:51 2013 +0100
@@ -12,6 +12,9 @@
                     <p>
                         <a href="#" class="change-account button">{% trans 'Switch account' %}</a>
                     </p>
+                    <p>
+                        <a href="{% url mashup_logout branding=branding %}" class="logout-button button">{% trans 'Log out' %}</a>
+                    </p>
                 </div>
             {% endif %}
                 <div class="user-screen signup hide">

--- a/src/hashcut/urls.py	Thu Jan 17 17:20:23 2013 +0100
+++ b/src/hashcut/urls.py	Thu Jan 17 17:21:51 2013 +0100
@@ -1,6 +1,6 @@
 from django.conf.urls.defaults import patterns, url
 from hashcut.views import MashupHome, MashupEdit, MashupHashcut, MashupContent, MashupProfile, MashupAllMashups,\
-    MashupAllContents, MashupCreateUser, MashupIdenticateUser
+    MashupAllContents, MashupCreateUser, MashupIdenticateUser, MashupLogOut
 
 urlpatterns = patterns('',
     url(r'^jsi18n/(?P<packages>\S+?)/$', 'django.views.i18n.javascript_catalog', name='jsi18n'),
@@ -13,6 +13,7 @@
     url(r'^(?P<branding>.*)/allcontents/$', MashupAllContents.as_view(), name="mashup_all_contents"),
     url(r'^(?P<branding>.*)/createuser/$', MashupCreateUser.as_view(), name="mashup_create_user"),
     url(r'^(?P<branding>.*)/iduser/$', MashupIdenticateUser.as_view(), name="mashup_identicate_user"),
+    url(r'^(?P<branding>.*)/logout/$', MashupLogOut.as_view(), name="mashup_logout"),
     url(r'^(?P<branding>.*)/$', MashupHome.as_view(), name="mashup_home"),
     url(r'^$', MashupHome.as_view()),
 )

--- a/src/hashcut/views.py	Thu Jan 17 17:20:23 2013 +0100
+++ b/src/hashcut/views.py	Thu Jan 17 17:21:51 2013 +0100
@@ -1,16 +1,17 @@
 from django.conf import settings
-from django.contrib.auth import authenticate, login
+from django.contrib.auth import authenticate, login, logout
+from django.contrib.auth.models import User
 from django.core.exceptions import ObjectDoesNotExist
 from django.core.paginator import Paginator, InvalidPage, EmptyPage
 from django.http import HttpResponseNotFound, HttpResponse
+from django.shortcuts import redirect
 from django.views.generic.base import View, TemplateResponseMixin
+from hashcut.models import Mashup, Branding
 from ldt.api.ldt.resources import ProjectResource
 from ldt.ldt_utils.models import Project, Content
 from ldt.security.cache import cached_assign
 import logging
-from hashcut.models import Mashup, Branding
-from django.contrib.auth.models import User
-from django.shortcuts import redirect
+import re
 
 class MashupContextView(View):
     
@@ -222,6 +223,8 @@
             u_email = request.POST["signup-email"]
             u_pwd1 = request.POST["signup-password"]
             u_pwd2 = request.POST["signup-confirm-password"]
+            if not re.match(r'^[a-zA-Z0-9]*$', u_username):
+                return HttpResponse("Username not valid : only letters a-z A-Z and numbers.")
             if u_pwd1 == "" or u_pwd1 != u_pwd2:
                 return HttpResponse("Password don't match.")
             u = None
@@ -265,5 +268,14 @@
                 return HttpResponse("Problem in authentication. User and password don't match.")
         return redirect('mashup_home', branding=branding)
         
+        
+
+class MashupLogOut(MashupHome):
+    
+    def get(self, request, branding="iri", **kwargs):
+        logout(request)
+        return redirect('mashup_home', branding=branding)
+    
+        
     
     
\ No newline at end of file