Password change and reset in Django

Introduction

Changing and resetting passwords helps keep user accounts safe. It lets users update their password or get a new one if they forget it.

When a user wants to update their password for security reasons.

When a user forgets their password and needs to reset it.

When an admin wants to force users to change passwords after a security event.

When implementing user account management features in a website.

When you want to provide a secure way for users to recover access.

Syntax

Django

from django.contrib.auth.views import PasswordChangeView, PasswordResetView
from django.urls import path

# URL patterns example
urlpatterns = [
    path('password_change/', PasswordChangeView.as_view(), name='password_change'),
    path('password_reset/', PasswordResetView.as_view(), name='password_reset'),
]

Django provides built-in views to handle password change and reset.

You usually add these views to your URL configuration to enable the features.

Examples

Customize the password change page by setting your own template and success URL.

Django

from django.contrib.auth.views import PasswordChangeView

class MyPasswordChangeView(PasswordChangeView):
    template_name = 'myapp/password_change_form.html'
    success_url = '/password_change_done/'

Customize the password reset email and subject templates, and set where to go after reset request.

Django

from django.contrib.auth.views import PasswordResetView

class MyPasswordResetView(PasswordResetView):
    email_template_name = 'myapp/password_reset_email.html'
    subject_template_name = 'myapp/password_reset_subject.txt'
    success_url = '/password_reset_done/'

Sample Program

This example shows how to add all the standard Django password change and reset URLs with custom templates and success pages. It covers the full flow: change password, reset request, email, confirmation, and completion.

Django

from django.urls import path
from django.contrib.auth import views as auth_views

urlpatterns = [
    path('password_change/', auth_views.PasswordChangeView.as_view(
        template_name='registration/password_change_form.html',
        success_url='/password_change_done/'
    ), name='password_change'),

    path('password_change_done/', auth_views.PasswordChangeDoneView.as_view(
        template_name='registration/password_change_done.html'
    ), name='password_change_done'),

    path('password_reset/', auth_views.PasswordResetView.as_view(
        template_name='registration/password_reset_form.html',
        email_template_name='registration/password_reset_email.html',
        subject_template_name='registration/password_reset_subject.txt',
        success_url='/password_reset_done/'
    ), name='password_reset'),

    path('password_reset_done/', auth_views.PasswordResetDoneView.as_view(
        template_name='registration/password_reset_done.html'
    ), name='password_reset_done'),

    path('reset/<uidb64>/<token>/', auth_views.PasswordResetConfirmView.as_view(
        template_name='registration/password_reset_confirm.html',
        success_url='/reset/done/'
    ), name='password_reset_confirm'),

    path('reset/done/', auth_views.PasswordResetCompleteView.as_view(
        template_name='registration/password_reset_complete.html'
    ), name='password_reset_complete'),
]

Important Notes

Make sure your email settings are configured in Django to send password reset emails.

Use secure HTTPS in production to protect password data during transmission.

Customize templates to match your website style and improve user experience.

Summary

Django has built-in views to handle password change and reset securely.

You add these views to your URLs and customize templates as needed.

The full reset flow includes request, email, confirmation, and completion steps.

Practice

1. Which built-in Django view is used to start the password reset process by asking the user for their email?

easy

A. PasswordResetView

B. PasswordChangeView

C. PasswordResetConfirmView

D. PasswordChangeDoneView

Solution

1. Step 1: Understand the password reset flow

   The password reset process begins by asking the user to enter their email to receive a reset link.

2. Step 2: Identify the correct Django view

   PasswordResetView is the built-in view that handles this initial step.

3. Final Answer:

   PasswordResetView -> Option A

4. Quick Check:

   Start reset with PasswordResetView [OK]

Hint: Reset starts with PasswordResetView asking for email [OK]

Common Mistakes:

• Confusing PasswordChangeView with PasswordResetView
• Using PasswordResetConfirmView too early
• Thinking PasswordChangeDoneView starts the reset

2. Which URL pattern correctly uses Django's built-in view for changing a logged-in user's password?

easy

A. path('password_change/', auth_views.PasswordResetView.as_view(), name='password_change')

B. path('password_reset/', auth_views.PasswordChangeView.as_view(), name='password_reset')

C. path('password_change/', auth_views.PasswordChangeView.as_view(), name='password_change')

D. path('password_reset_confirm/', auth_views.PasswordChangeDoneView.as_view(), name='password_reset_confirm')

Solution

1. Step 1: Match URL path and view for password change

   The URL path for changing password is usually 'password_change/' and uses PasswordChangeView.

2. Step 2: Verify correct view and name

   path('password_change/', auth_views.PasswordChangeView.as_view(), name='password_change') correctly pairs 'password_change/' with PasswordChangeView and the name 'password_change'.

3. Final Answer:

   path('password_change/', auth_views.PasswordChangeView.as_view(), name='password_change') -> Option C

4. Quick Check:

   PasswordChangeView with 'password_change/' path [OK]

Hint: Password change URL uses PasswordChangeView with 'password_change/' [OK]

Common Mistakes:

• Mixing PasswordResetView with password change URL
• Using wrong URL path for the view
• Incorrect name parameter in path

3. What will be the output behavior when a user submits a valid password reset form using Django's PasswordResetView?

medium

A. An email with a reset link is sent to the user's email address.

B. The user's password is immediately changed to a default password.

C. The user is redirected to the login page without any email sent.

D. The password reset form is cleared but no email is sent.

Solution

1. Step 1: Understand PasswordResetView behavior on valid form

   When the form is valid, Django sends an email with a reset link to the user's registered email.

2. Step 2: Confirm what happens after form submission

   The password is not changed immediately; the user must click the link in the email to confirm.

3. Final Answer:

   An email with a reset link is sent to the user's email address. -> Option A

4. Quick Check:

   Valid reset form triggers email sending [OK]

Hint: Valid reset form sends email with link, not immediate change [OK]

Common Mistakes:

• Assuming password changes immediately after form submit
• Thinking user is redirected without email
• Believing form clears but no email is sent

4. You added auth_views.PasswordResetConfirmView.as_view() to your URLs but get a 404 error when visiting the reset link. What is the most likely cause?

medium

A. The password reset email was not sent.

B. You forgot to import auth_views in your urls.py.

C. The user is not logged in.

D. The URL pattern is missing the required uidb64 and token parameters.

Solution

1. Step 1: Check URL pattern requirements for PasswordResetConfirmView

   This view requires URL parameters uidb64 and token to identify the user and validate the reset link.

2. Step 2: Understand 404 cause

   If these parameters are missing in the URL pattern, Django cannot match the URL, causing a 404 error.

3. Final Answer:

   The URL pattern is missing the required uidb64 and token parameters. -> Option D

4. Quick Check:

   Missing uidb64/token in URL causes 404 [OK]

Hint: Reset confirm URL must include uidb64 and token [OK]

Common Mistakes:

• Ignoring required URL parameters for reset confirm
• Assuming import errors cause 404
• Thinking user login status affects reset link access

5. You want to customize the password reset email template to include the user's first name and a custom message. Which approach correctly achieves this in Django?

hard

A. Add the user's first name directly in the URL parameters sent in the reset link.

B. Override PasswordResetView and provide a custom email_template_name with context including the user's first name.

C. Change the password_reset_confirm template to include the user's first name.

D. Modify the default Django email backend to add the first name automatically.

Solution

1. Step 1: Identify how to customize password reset email

   Django allows specifying a custom email template via email_template_name in PasswordResetView.

2. Step 2: Pass extra context to the email template

   Override PasswordResetView to add context data like the user's first name for use in the email template.

3. Final Answer:

   Override PasswordResetView and provide a custom email_template_name with context including the user's first name. -> Option B

4. Quick Check:

   Customize email by overriding PasswordResetView with context [OK]

Hint: Override PasswordResetView with custom email template and context [OK]

Common Mistakes:

• Trying to customize password_reset_confirm template for email content
• Modifying email backend instead of templates
• Passing user data in URL parameters insecurely