captcha implemeted

6 files changed, 144 insertions, 6 deletions

diff --git a/gnowsys-ndf/gnowsys_ndf/ndf/templates/ndf/Captcha.html b/gnowsys-ndf/gnowsys_ndf/ndf/templates/ndf/Captcha.html
new file mode 100644
index 0000000..971e9c6
--- /dev/null
+++ b/gnowsys-ndf/gnowsys_ndf/ndf/templates/ndf/Captcha.html
@@ -0,0 +1,73 @@
+{% load i18n %}
+{% load ndf_tags %}
+
+
+<div class = "row">
+  <div class = "medium-3 column" id = "captcha-content" >
+     <!-- Area to append captcha -->
+  </div>
+  
+  <br>
+
+  <div class = "medium-4 column" ends>
+  	<label class='fi-refresh js-captcha-refresh'>  </button>
+  </div>
+  		
+</div>
+<div class = "invalid-captcha">
+  	
+</div>
+<script type="text/javascript">
+   
+   var formData = [];
+   $('form').submit(function(event){
+		event.preventDefault();
+		
+		$('form').find("input[name]").each(function (index, node) {
+	    formData.push(String(node.name) + ":"+ String(node.value));
+	    });	
+		
+		$.ajax({
+				url: "{% url 'captcha_validate' %}",
+				type:"POST",
+				data:{
+						formData,
+						csrfmiddlewaretoken: '{{ csrf_token }}'},	
+				success:function(data)
+					{   if (data == 'True')
+						{   //Diconnect the on Submit action from form
+							$('form').off("submit")
+							//Trigger the submit action manually
+							$('form').submit()
+						}
+						else
+						{	$('.invalid-captcha').empty();
+							$('.invalid-captcha').append("<labe style = 'color:red;'> invalid captcha Try Again !! </label>")
+						}
+					}
+			   });
+	});
+  
+  $(document).ready(function(){
+			get_new_captcha();  	   
+   });	
+  
+
+  function get_new_captcha(){
+  	$.ajax({
+				url:"{% url 'new_captcha' %}",
+				type:"GET",
+				success:function(data)
+					{
+						$('#captcha-content').empty()
+						$('#captcha-content').append(data)
+					}
+  		});
+  }
+  
+  $('.js-captcha-refresh').click(function(){
+    		get_new_captcha();
+  });
+
+
+</script>    
\ No newline at end of file
diff --git a/gnowsys-ndf/gnowsys_ndf/ndf/templates/registration/login.html b/gnowsys-ndf/gnowsys_ndf/ndf/templates/registration/login.html
index a07822c..ac18593 100644
--- a/gnowsys-ndf/gnowsys_ndf/ndf/templates/registration/login.html
+++ b/gnowsys-ndf/gnowsys_ndf/ndf/templates/registration/login.html
@@ -1,6 +1,6 @@
 {% extends "registration/registration_base.html" %}
 {% load i18n %}
-
+{% load ndf_tags %}
 {% block title %}{% trans "Login" %}{% endblock %}
 
 {% block style %}
@@ -19,7 +19,7 @@
 {% block body_content %} 
 	{% url 'auth_password_reset' as auth_pwd_reset_url %}
 	{% url 'registration_register' as register_url %}
-
+    
     <div class="row" style="margin: 1.2rem 0;">
         <div class="small-8 medium-8 large-8 small-centered medium-centered large-centered columns">
             <div class="row">
@@ -70,7 +70,9 @@
 						{{ form.password }}
 					</div>
 				</div>
-
+				<div class = "captcha-feild">
+					{% include "ndf/Captcha.html" %}
+				</div>	
 				<!-- Login button -->
 				<div class="row">
 					<div class="small-2 large-2 small-offset-3 large-offset-3 columns end">
@@ -94,6 +96,7 @@
 				{% endif %}
 				<input type="hidden" name="next" value="{{ next }}" />
 			</form>
+
 		</div>
 	</div>
 {% endblock %}
@@ -111,5 +114,15 @@
 		$(this).attr("required", "");
 		$(this).after("<small class='error'>Please fill valid "+this.name+"</small>");
 	});
+    
+	//Code to refresh the Captcha
+    $('.js-captcha-refresh').click(function(){
+    $form = $(this).parents('form');
+
+    $.getJSON($(this).data('url'), {}, function(json) {
+        // This should update your captcha image src and captcha hidden input
+    });
 
+    return false;
+	});
 {% endblock %}
\ No newline at end of file
diff --git a/gnowsys-ndf/gnowsys_ndf/ndf/urls/__init__.py b/gnowsys-ndf/gnowsys_ndf/ndf/urls/__init__.py
index 0fad1de..ffb3db7 100644
--- a/gnowsys-ndf/gnowsys_ndf/ndf/urls/__init__.py
+++ b/gnowsys-ndf/gnowsys_ndf/ndf/urls/__init__.py
@@ -33,12 +33,12 @@ urlpatterns = patterns('',
     # (r'^new/$', 'gnowsys_ndf.mobwrite.views.new'),
     # (r'^mobwrite/', 'gnowsys_ndf.mobwrite.views.mobwrite'),
     # --end of mobwrite
-
     (r'^admin/', include(admin.site.urls)),
     # (r'^$', HomeRedirectView.as_view()),        
     url(r'^$', homepage, {"group_id": "home"}, name="homepage"),
     url(r'^welcome/?', landing_page, name="landing_page"),
-
+    url(r'^captcha/', include('captcha.urls')),
+    (r'^', include('gnowsys_ndf.ndf.urls.captcha')),
     # all main apps
     (r'^(?P<group_id>[^/]+)/file', include('gnowsys_ndf.ndf.urls.file')),
     (r'^(?P<group_id>[^/]+)/image', include('gnowsys_ndf.ndf.urls.image')),
diff --git a/gnowsys-ndf/gnowsys_ndf/ndf/urls/captcha.py b/gnowsys-ndf/gnowsys_ndf/ndf/urls/captcha.py
new file mode 100644
index 0000000..1434e18
--- /dev/null
+++ b/gnowsys-ndf/gnowsys_ndf/ndf/urls/captcha.py
@@ -0,0 +1,12 @@
+from django.conf.urls import patterns, url
+
+from django.views.generic import TemplateView
+
+from gnowsys_ndf.ndf.views import Captcha
+
+urlpatterns = patterns('gnowsys_ndf.ndf.views.Captcha',                        
+    url(r'^validate_captcha/', 'captcha_validate', name='captcha_validate'),
+    url(r'^new_captcha/', 'new_captcha', name='new_captcha')  
+    )
+
+
diff --git a/gnowsys-ndf/gnowsys_ndf/ndf/views/Captcha.py b/gnowsys-ndf/gnowsys_ndf/ndf/views/Captcha.py
new file mode 100644
index 0000000..74623f4
--- /dev/null
+++ b/gnowsys-ndf/gnowsys_ndf/ndf/views/Captcha.py
@@ -0,0 +1,36 @@
+from django.views.generic.edit import CreateView
+import json
+from django import forms
+from captcha.fields import CaptchaField
+from django.http import HttpResponse
+from django.http import StreamingHttpResponse
+
+class CaptchaTestForm(forms.Form):
+    ''' class to instantiate CaptchaField() '''    
+    captcha = CaptchaField()
+
+def captcha_validate(request):
+    valid = ""
+    data = request.POST.getlist('formData[]','')
+    data = convert_list_dict(data)
+    form = CaptchaTestForm(data)
+    if form.is_valid():
+            valid = True
+    else:
+            valid = False
+    return HttpResponse(valid)
+
+def new_captcha(request):
+   ''' method to return form'''
+   form = CaptchaTestForm()  
+   return StreamingHttpResponse(str(form))   
+   
+
+def convert_list_dict(data):
+    data_dict = {} 
+    for i in data:
+        new_data = i.split(':')
+        data_dict.update({new_data[0]:str(new_data[1])})
+    return data_dict 
+
+
diff --git a/gnowsys-ndf/gnowsys_ndf/settings.py b/gnowsys-ndf/gnowsys_ndf/settings.py
index 4c4c547..c939518 100644
--- a/gnowsys-ndf/gnowsys_ndf/settings.py
+++ b/gnowsys-ndf/gnowsys_ndf/settings.py
@@ -402,6 +402,7 @@ INSTALLED_APPS = (
     'djangoratings',
     'notification',
     'pagination',
+    'captcha',	
     # 'gnowsys_ndf.mobwrite',       #textb
     # 'south',                      #textb
     # 'django_extensions',          #textb
@@ -529,7 +530,6 @@ GSTUDIO_SITE_LANDING_PAGE = "udashboard"  # possible values are 'home' and 'udas
 GSTUDIO_SITE_HOME_PAGE = None  # it is url rendered on template. e.g: "/welcome". Default is: "/home"
 GSTUDIO_SITE_NAME = "metaStudio"  # holds the name of site. e.g: "NROER, "tiss" etc. (Override it in local_settings)
 # GSTUDIO_SITE_EDITOR = "orgitdown"  #possible values are 'aloha'and 'orgitdown'
-
 # Visibility for 'Create Group'
 CREATE_GROUP_VISIBILITY = True
 
@@ -666,3 +666,7 @@ CACHES = {
 
 WETUBE_USERNAME = "glab"
 WETUBE_PASSWORD = "gl@b$@)we!ube"
+#Captcha settings
+CAPTCHA_CHALLENGE_FUNCT =  'captcha.helpers.math_challenge'
+CAPTCHA_NOISE_FUNCTIONS = ('captcha.helpers.noise_arcs','captcha.helpers.noise_null')
+