Add captcha to user signup page

Signed-off-by: Keshav Priyadarshi <git@keshav.space>

Author: keshav-space

fedcode/forms.py

@@ -10,6 +10,8 @@
 from django import forms
 from django.contrib.auth.forms import UserCreationForm
 from django.contrib.auth.models import User
+from django_recaptcha.fields import ReCaptchaField
+from django_recaptcha.widgets import ReCaptchaV2Checkbox
 
 from .models import Note
 from .models import Repository
@@ -58,6 +60,9 @@ def __init__(self, *args, **kwargs):
 
 
 class PersonSignUpForm(UserCreationForm):
+    captcha = ReCaptchaField(
+        error_messages={"required": ("Captcha is required")}, widget=ReCaptchaV2Checkbox
+    )
     email = forms.EmailField(max_length=254)
 
     class Meta:

fedcode/templates/user_sign_up.html

@@ -17,7 +17,9 @@
           <p>Error</p>
         </div>
         <div class="message-body">
-          {{ form.errors }}
+          {% for error in form.errors.values %}
+            {{ error }}
+          {% endfor %}
         </div>
       </article>
     </div>
@@ -61,6 +63,11 @@ <h2 class="title">User Signup</h2>
             autocomplete="new-password" required id="id_password2">
         </div>
       </div>
+      <div class="field">
+        <div class="control">
+          {{ form.captcha }}
+        </div>
+      </div>
       <input class="button is-fullwidth is-info" type="submit" value="Sign Up">
     </form>
   </div>