ff587c5cbb
The next step in the password reset process (confirmation) continues to be handled by student.views.password_reset_confirm_wrapper, a custom wrapper around Django's password reset confirmation view.
237 lines
7.4 KiB
Python
237 lines
7.4 KiB
Python
""" Views for a student's account information. """
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import logging
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from django.conf import settings
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from django.http import (
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HttpResponse, HttpResponseBadRequest,
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HttpResponseForbidden
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)
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from django.core.mail import send_mail
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from django_future.csrf import ensure_csrf_cookie
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from django.contrib.auth.decorators import login_required
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from django.views.decorators.http import require_http_methods
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from edxmako.shortcuts import render_to_response, render_to_string
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from microsite_configuration import microsite
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from user_api.api import account as account_api
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from user_api.api import profile as profile_api
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from util.bad_request_rate_limiter import BadRequestRateLimiter
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AUDIT_LOG = logging.getLogger("audit")
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@login_required
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@require_http_methods(['GET'])
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def index(request):
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"""Render the account info page.
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Args:
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request (HttpRequest)
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Returns:
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HttpResponse: 200 if the index page was sent successfully
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HttpResponse: 302 if not logged in (redirect to login page)
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HttpResponse: 405 if using an unsupported HTTP method
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Example usage:
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GET /account
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"""
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return render_to_response(
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'student_account/index.html', {
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'disable_courseware_js': True,
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}
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)
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@login_required
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@require_http_methods(['POST'])
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@ensure_csrf_cookie
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def email_change_request_handler(request):
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"""Handle a request to change the user's email address.
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Sends an email to the newly specified address containing a link
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to a confirmation page.
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Args:
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request (HttpRequest)
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Returns:
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HttpResponse: 200 if the confirmation email was sent successfully
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HttpResponse: 302 if not logged in (redirect to login page)
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HttpResponse: 400 if the format of the new email is incorrect, or if
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an email change is requested for a user which does not exist
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HttpResponse: 401 if the provided password (in the form) is incorrect
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HttpResponse: 405 if using an unsupported HTTP method
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HttpResponse: 409 if the provided email is already in use
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Example usage:
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POST /account/email
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"""
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username = request.user.username
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password = request.POST.get('password')
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new_email = request.POST.get('email')
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if new_email is None:
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return HttpResponseBadRequest("Missing param 'email'")
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if password is None:
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return HttpResponseBadRequest("Missing param 'password'")
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old_email = profile_api.profile_info(username)['email']
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try:
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key = account_api.request_email_change(username, new_email, password)
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except (account_api.AccountEmailInvalid, account_api.AccountUserNotFound):
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return HttpResponseBadRequest()
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except account_api.AccountEmailAlreadyExists:
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return HttpResponse(status=409)
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except account_api.AccountNotAuthorized:
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return HttpResponse(status=401)
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context = {
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'key': key,
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'old_email': old_email,
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'new_email': new_email,
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}
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subject = render_to_string('student_account/emails/email_change_request/subject_line.txt', context)
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subject = ''.join(subject.splitlines())
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message = render_to_string('student_account/emails/email_change_request/message_body.txt', context)
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from_address = microsite.get_value(
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'email_from_address',
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settings.DEFAULT_FROM_EMAIL
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)
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# Send a confirmation email to the new address containing the activation key
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send_mail(subject, message, from_address, [new_email])
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return HttpResponse(status=200)
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@login_required
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@require_http_methods(['GET'])
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def email_change_confirmation_handler(request, key):
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"""Complete a change of the user's email address.
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This is called when the activation link included in the confirmation
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email is clicked.
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Args:
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request (HttpRequest)
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Returns:
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HttpResponse: 200 if the email change is successful, the activation key
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is invalid, the new email is already in use, or the
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user to which the email change will be applied does
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not exist
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HttpResponse: 302 if not logged in (redirect to login page)
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HttpResponse: 405 if using an unsupported HTTP method
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Example usage:
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GET /account/email/confirmation/{key}
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"""
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try:
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old_email, new_email = account_api.confirm_email_change(key)
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except account_api.AccountNotAuthorized:
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return render_to_response(
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'student_account/email_change_failed.html', {
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'disable_courseware_js': True,
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'error': 'key_invalid',
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}
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)
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except account_api.AccountEmailAlreadyExists:
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return render_to_response(
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'student_account/email_change_failed.html', {
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'disable_courseware_js': True,
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'error': 'email_used',
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}
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)
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except account_api.AccountInternalError:
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return render_to_response(
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'student_account/email_change_failed.html', {
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'disable_courseware_js': True,
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'error': 'internal',
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}
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)
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context = {
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'old_email': old_email,
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'new_email': new_email,
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}
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subject = render_to_string('student_account/emails/email_change_confirmation/subject_line.txt', context)
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subject = ''.join(subject.splitlines())
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message = render_to_string('student_account/emails/email_change_confirmation/message_body.txt', context)
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from_address = microsite.get_value(
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'email_from_address',
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settings.DEFAULT_FROM_EMAIL
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)
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# Notify both old and new emails of the change
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send_mail(subject, message, from_address, [old_email, new_email])
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return render_to_response(
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'student_account/email_change_successful.html', {
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'disable_courseware_js': True,
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}
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)
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@require_http_methods(['POST'])
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def password_change_request_handler(request):
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"""Handle password change requests originating from the account page.
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Uses the Account API to email the user a link to the password reset page.
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Note:
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The next step in the password reset process (confirmation) is currently handled
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by student.views.password_reset_confirm_wrapper, a custom wrapper around Django's
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password reset confirmation view.
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Args:
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request (HttpRequest)
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Returns:
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HttpResponse: 200 if the email was sent successfully
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HttpResponse: 400 if there is no 'email' POST parameter, or if no user with
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the provided email exists
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HttpResponse: 403 if the client has been rate limited
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HttpResponse: 405 if using an unsupported HTTP method
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Example usage:
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POST /account/password
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"""
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limiter = BadRequestRateLimiter()
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if limiter.is_rate_limit_exceeded(request):
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AUDIT_LOG.warning("Password reset rate limit exceeded")
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return HttpResponseForbidden()
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user = request.user
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# Prefer logged-in user's email
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email = user.email if user.is_authenticated() else request.POST.get('email')
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if email:
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try:
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account_api.request_password_change(email, request.get_host(), request.is_secure())
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except account_api.AccountUserNotFound:
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AUDIT_LOG.info("Invalid password reset attempt")
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# Increment the rate limit counter
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limiter.tick_bad_request_counter(request)
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return HttpResponseBadRequest("No active user with the provided email address exists.")
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return HttpResponse(status=200)
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else:
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return HttpResponseBadRequest("No email address provided.")
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