1256 lines
49 KiB
Python
1256 lines
49 KiB
Python
"""
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Student Views
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"""
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from __future__ import absolute_import
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import datetime
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import logging
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import uuid
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from collections import namedtuple
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import six
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from django.conf import settings
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.models import AnonymousUser, User
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from django.contrib.auth.views import password_reset_confirm
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from django.contrib.sites.models import Site
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from django.core import mail
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from django.core.exceptions import ObjectDoesNotExist
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from django.core.validators import ValidationError, validate_email
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from django.db import transaction
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from django.db.models.signals import post_save
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from django.dispatch import Signal, receiver
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from django.http import Http404, HttpResponse, HttpResponseBadRequest, HttpResponseForbidden
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from django.shortcuts import redirect
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from django.template.context_processors import csrf
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from django.template.response import TemplateResponse
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from django.urls import reverse
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from django.utils.encoding import force_bytes, force_text
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from django.utils.http import base36_to_int, urlsafe_base64_encode
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from django.utils.translation import ugettext as _
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from django.views.decorators.csrf import csrf_exempt, ensure_csrf_cookie
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from django.views.decorators.http import require_GET, require_http_methods, require_POST
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from edx_ace import ace
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from edx_ace.recipient import Recipient
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from edx_django_utils import monitoring as monitoring_utils
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from eventtracking import tracker
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from ipware.ip import get_ip
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# Note that this lives in LMS, so this dependency should be refactored.
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from opaque_keys import InvalidKeyError
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from opaque_keys.edx.keys import CourseKey
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from pytz import UTC
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from six import text_type
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import track.views
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from bulk_email.models import Optout
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from course_modes.models import CourseMode
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from courseware.courses import get_courses, sort_by_announcement, sort_by_start_date
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from edxmako.shortcuts import marketing_link, render_to_response, render_to_string
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from entitlements.models import CourseEntitlement
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from openedx.core.djangoapps.ace_common.template_context import get_base_template_context
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from openedx.core.djangoapps.catalog.utils import get_programs_with_type
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from openedx.core.djangoapps.embargo import api as embargo_api
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from openedx.core.djangoapps.lang_pref import LANGUAGE_KEY
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from openedx.core.djangoapps.oauth_dispatch.api import destroy_oauth_tokens
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from openedx.core.djangoapps.programs.models import ProgramsApiConfig
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from openedx.core.djangoapps.site_configuration import helpers as configuration_helpers
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from openedx.core.djangoapps.theming import helpers as theming_helpers
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from openedx.core.djangoapps.theming.helpers import get_current_site
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from openedx.core.djangoapps.user_api.accounts.utils import is_secondary_email_feature_enabled
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from openedx.core.djangoapps.user_api.config.waffle import PREVENT_AUTH_USER_WRITES, SYSTEM_MAINTENANCE_MSG, waffle
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from openedx.core.djangoapps.user_api.errors import UserAPIInternalError, UserNotFound
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from openedx.core.djangoapps.user_api.models import UserRetirementRequest
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from openedx.core.djangoapps.user_api.preferences import api as preferences_api
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from openedx.core.djangolib.markup import HTML, Text
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from openedx.features.journals.api import get_journals_context
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from student.forms import AccountCreationForm, PasswordResetFormNoActive, get_registration_extension_form
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from student.helpers import DISABLE_UNENROLL_CERT_STATES, cert_info, generate_activation_email_context
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from student.message_types import EmailChange, EmailChangeConfirmation, PasswordReset, RecoveryEmailCreate
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from student.models import (
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AccountRecovery,
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CourseEnrollment,
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PendingEmailChange,
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PendingSecondaryEmailChange,
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Registration,
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RegistrationCookieConfiguration,
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UserAttribute,
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UserProfile,
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UserSignupSource,
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UserStanding,
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create_comments_service_user,
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email_exists_or_retired
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)
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from student.signals import REFUND_ORDER
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from student.tasks import send_activation_email
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from student.text_me_the_app import TextMeTheAppFragmentView
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from util.bad_request_rate_limiter import BadRequestRateLimiter
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from util.db import outer_atomic
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from util.json_request import JsonResponse
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from util.password_policy_validators import normalize_password, validate_password
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from xmodule.modulestore.django import modulestore
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log = logging.getLogger("edx.student")
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AUDIT_LOG = logging.getLogger("audit")
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ReverifyInfo = namedtuple(
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'ReverifyInfo',
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'course_id course_name course_number date status display'
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)
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SETTING_CHANGE_INITIATED = 'edx.user.settings.change_initiated'
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# Used as the name of the user attribute for tracking affiliate registrations
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REGISTRATION_AFFILIATE_ID = 'registration_affiliate_id'
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REGISTRATION_UTM_PARAMETERS = {
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'utm_source': 'registration_utm_source',
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'utm_medium': 'registration_utm_medium',
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'utm_campaign': 'registration_utm_campaign',
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'utm_term': 'registration_utm_term',
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'utm_content': 'registration_utm_content',
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}
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REGISTRATION_UTM_CREATED_AT = 'registration_utm_created_at'
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def csrf_token(context):
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"""
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A csrf token that can be included in a form.
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"""
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token = context.get('csrf_token', '')
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if token == 'NOTPROVIDED':
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return ''
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return (HTML(u'<div style="display:none"><input type="hidden"'
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' name="csrfmiddlewaretoken" value="{}" /></div>').format(Text(token)))
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# NOTE: This view is not linked to directly--it is called from
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# branding/views.py:index(), which is cached for anonymous users.
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# This means that it should always return the same thing for anon
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# users. (in particular, no switching based on query params allowed)
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def index(request, extra_context=None, user=AnonymousUser()):
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"""
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Render the edX main page.
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extra_context is used to allow immediate display of certain modal windows, eg signup.
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"""
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if extra_context is None:
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extra_context = {}
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courses = get_courses(user)
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if configuration_helpers.get_value(
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"ENABLE_COURSE_SORTING_BY_START_DATE",
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settings.FEATURES["ENABLE_COURSE_SORTING_BY_START_DATE"],
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):
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courses = sort_by_start_date(courses)
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else:
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courses = sort_by_announcement(courses)
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context = {'courses': courses}
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context['homepage_overlay_html'] = configuration_helpers.get_value('homepage_overlay_html')
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# This appears to be an unused context parameter, at least for the master templates...
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context['show_partners'] = configuration_helpers.get_value('show_partners', True)
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# TO DISPLAY A YOUTUBE WELCOME VIDEO
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# 1) Change False to True
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context['show_homepage_promo_video'] = configuration_helpers.get_value('show_homepage_promo_video', False)
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# Maximum number of courses to display on the homepage.
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context['homepage_course_max'] = configuration_helpers.get_value(
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'HOMEPAGE_COURSE_MAX', settings.HOMEPAGE_COURSE_MAX
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)
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# 2) Add your video's YouTube ID (11 chars, eg "123456789xX"), or specify via site configuration
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# Note: This value should be moved into a configuration setting and plumbed-through to the
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# context via the site configuration workflow, versus living here
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youtube_video_id = configuration_helpers.get_value('homepage_promo_video_youtube_id', "your-youtube-id")
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context['homepage_promo_video_youtube_id'] = youtube_video_id
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# allow for theme override of the courses list
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context['courses_list'] = theming_helpers.get_template_path('courses_list.html')
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# Insert additional context for use in the template
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context.update(extra_context)
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# Add marketable programs to the context.
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context['programs_list'] = get_programs_with_type(request.site, include_hidden=False)
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# TODO: Course Listing Plugin required
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context['journal_info'] = get_journals_context(request)
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return render_to_response('index.html', context)
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def compose_and_send_activation_email(user, profile, user_registration=None):
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"""
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Construct all the required params and send the activation email
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through celery task
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Arguments:
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user: current logged-in user
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profile: profile object of the current logged-in user
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user_registration: registration of the current logged-in user
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"""
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dest_addr = user.email
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if user_registration is None:
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user_registration = Registration.objects.get(user=user)
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context = generate_activation_email_context(user, user_registration)
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subject = render_to_string('emails/activation_email_subject.txt', context)
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# Email subject *must not* contain newlines
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subject = ''.join(subject.splitlines())
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message_for_activation = render_to_string('emails/activation_email.txt', context)
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from_address = configuration_helpers.get_value('email_from_address', settings.DEFAULT_FROM_EMAIL)
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from_address = configuration_helpers.get_value('ACTIVATION_EMAIL_FROM_ADDRESS', from_address)
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if settings.FEATURES.get('REROUTE_ACTIVATION_EMAIL'):
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dest_addr = settings.FEATURES['REROUTE_ACTIVATION_EMAIL']
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message_for_activation = ("Activation for %s (%s): %s\n" % (user, user.email, profile.name) +
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'-' * 80 + '\n\n' + message_for_activation)
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send_activation_email.delay(subject, message_for_activation, from_address, dest_addr)
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def send_reactivation_email_for_user(user):
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try:
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registration = Registration.objects.get(user=user)
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except Registration.DoesNotExist:
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return JsonResponse({
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"success": False,
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"error": _('No inactive user with this e-mail exists'),
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})
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try:
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context = generate_activation_email_context(user, registration)
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except ObjectDoesNotExist:
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log.error(
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u'Unable to send reactivation email due to unavailable profile for the user "%s"',
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user.username,
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exc_info=True
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)
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return JsonResponse({
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"success": False,
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"error": _('Unable to send reactivation email')
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})
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subject = render_to_string('emails/activation_email_subject.txt', context)
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subject = ''.join(subject.splitlines())
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message = render_to_string('emails/activation_email.txt', context)
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from_address = configuration_helpers.get_value('email_from_address', settings.DEFAULT_FROM_EMAIL)
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from_address = configuration_helpers.get_value('ACTIVATION_EMAIL_FROM_ADDRESS', from_address)
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try:
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user.email_user(subject, message, from_address)
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except Exception: # pylint: disable=broad-except
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log.error(
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u'Unable to send reactivation email from "%s" to "%s"',
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from_address,
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user.email,
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exc_info=True
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)
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return JsonResponse({
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"success": False,
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"error": _('Unable to send reactivation email')
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})
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return JsonResponse({"success": True})
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@login_required
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def course_run_refund_status(request, course_id):
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"""
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Get Refundable status for a course.
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Arguments:
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request: The request object.
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course_id (str): The unique identifier for the course.
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Returns:
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Json response.
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"""
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try:
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course_key = CourseKey.from_string(course_id)
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course_enrollment = CourseEnrollment.get_enrollment(request.user, course_key)
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except InvalidKeyError:
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logging.exception("The course key used to get refund status caused InvalidKeyError during look up.")
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return JsonResponse({'course_refundable_status': ''}, status=406)
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refundable_status = course_enrollment.refundable()
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logging.info("Course refund status for course {0} is {1}".format(course_id, refundable_status))
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return JsonResponse({'course_refundable_status': refundable_status}, status=200)
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def _update_email_opt_in(request, org):
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"""
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Helper function used to hit the profile API if email opt-in is enabled.
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"""
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email_opt_in = request.POST.get('email_opt_in')
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if email_opt_in is not None:
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email_opt_in_boolean = email_opt_in == 'true'
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preferences_api.update_email_opt_in(request.user, org, email_opt_in_boolean)
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@transaction.non_atomic_requests
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@require_POST
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@outer_atomic(read_committed=True)
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def change_enrollment(request, check_access=True):
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"""
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Modify the enrollment status for the logged-in user.
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TODO: This is lms specific and does not belong in common code.
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The request parameter must be a POST request (other methods return 405)
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that specifies course_id and enrollment_action parameters. If course_id or
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enrollment_action is not specified, if course_id is not valid, if
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enrollment_action is something other than "enroll" or "unenroll", if
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enrollment_action is "enroll" and enrollment is closed for the course, or
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if enrollment_action is "unenroll" and the user is not enrolled in the
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course, a 400 error will be returned. If the user is not logged in, 403
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will be returned; it is important that only this case return 403 so the
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front end can redirect the user to a registration or login page when this
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happens. This function should only be called from an AJAX request, so
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the error messages in the responses should never actually be user-visible.
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Args:
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request (`Request`): The Django request object
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Keyword Args:
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check_access (boolean): If True, we check that an accessible course actually
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exists for the given course_key before we enroll the student.
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The default is set to False to avoid breaking legacy code or
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code with non-standard flows (ex. beta tester invitations), but
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for any standard enrollment flow you probably want this to be True.
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Returns:
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Response
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"""
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# Get the user
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user = request.user
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# Ensure the user is authenticated
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if not user.is_authenticated:
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return HttpResponseForbidden()
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# Ensure we received a course_id
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action = request.POST.get("enrollment_action")
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if 'course_id' not in request.POST:
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return HttpResponseBadRequest(_("Course id not specified"))
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try:
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course_id = CourseKey.from_string(request.POST.get("course_id"))
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except InvalidKeyError:
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log.warning(
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u"User %s tried to %s with invalid course id: %s",
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user.username,
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action,
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request.POST.get("course_id"),
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)
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return HttpResponseBadRequest(_("Invalid course id"))
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# Allow us to monitor performance of this transaction on a per-course basis since we often roll-out features
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# on a per-course basis.
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monitoring_utils.set_custom_metric('course_id', text_type(course_id))
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if action == "enroll":
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# Make sure the course exists
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# We don't do this check on unenroll, or a bad course id can't be unenrolled from
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if not modulestore().has_course(course_id):
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log.warning(
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u"User %s tried to enroll in non-existent course %s",
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user.username,
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course_id
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)
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return HttpResponseBadRequest(_("Course id is invalid"))
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# Record the user's email opt-in preference
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if settings.FEATURES.get('ENABLE_MKTG_EMAIL_OPT_IN'):
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_update_email_opt_in(request, course_id.org)
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available_modes = CourseMode.modes_for_course_dict(course_id)
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# Check whether the user is blocked from enrolling in this course
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# This can occur if the user's IP is on a global blacklist
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# or if the user is enrolling in a country in which the course
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# is not available.
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redirect_url = embargo_api.redirect_if_blocked(
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course_id, user=user, ip_address=get_ip(request),
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url=request.path
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)
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if redirect_url:
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return HttpResponse(redirect_url)
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if CourseEntitlement.check_for_existing_entitlement_and_enroll(user=user, course_run_key=course_id):
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return HttpResponse(reverse('courseware', args=[six.text_type(course_id)]))
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# Check that auto enrollment is allowed for this course
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# (= the course is NOT behind a paywall)
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if CourseMode.can_auto_enroll(course_id):
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# Enroll the user using the default mode (audit)
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# We're assuming that users of the course enrollment table
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# will NOT try to look up the course enrollment model
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# by its slug. If they do, it's possible (based on the state of the database)
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# for no such model to exist, even though we've set the enrollment type
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# to "audit".
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try:
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enroll_mode = CourseMode.auto_enroll_mode(course_id, available_modes)
|
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if enroll_mode:
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CourseEnrollment.enroll(user, course_id, check_access=check_access, mode=enroll_mode)
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except Exception: # pylint: disable=broad-except
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return HttpResponseBadRequest(_("Could not enroll"))
|
|
|
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# If we have more than one course mode or professional ed is enabled,
|
|
# then send the user to the choose your track page.
|
|
# (In the case of no-id-professional/professional ed, this will redirect to a page that
|
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# funnels users directly into the verification / payment flow)
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|
if CourseMode.has_verified_mode(available_modes) or CourseMode.has_professional_mode(available_modes):
|
|
return HttpResponse(
|
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reverse("course_modes_choose", kwargs={'course_id': text_type(course_id)})
|
|
)
|
|
|
|
# Otherwise, there is only one mode available (the default)
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|
return HttpResponse()
|
|
elif action == "unenroll":
|
|
enrollment = CourseEnrollment.get_enrollment(user, course_id)
|
|
if not enrollment:
|
|
return HttpResponseBadRequest(_("You are not enrolled in this course"))
|
|
|
|
certificate_info = cert_info(user, enrollment.course_overview)
|
|
if certificate_info.get('status') in DISABLE_UNENROLL_CERT_STATES:
|
|
return HttpResponseBadRequest(_("Your certificate prevents you from unenrolling from this course"))
|
|
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|
CourseEnrollment.unenroll(user, course_id)
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REFUND_ORDER.send(sender=None, course_enrollment=enrollment)
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return HttpResponse()
|
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else:
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return HttpResponseBadRequest(_("Enrollment action is invalid"))
|
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|
|
|
|
@require_GET
|
|
@login_required
|
|
@ensure_csrf_cookie
|
|
def manage_user_standing(request):
|
|
"""
|
|
Renders the view used to manage user standing. Also displays a table
|
|
of user accounts that have been disabled and who disabled them.
|
|
"""
|
|
if not request.user.is_staff:
|
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raise Http404
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all_disabled_accounts = UserStanding.objects.filter(
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account_status=UserStanding.ACCOUNT_DISABLED
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)
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|
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all_disabled_users = [standing.user for standing in all_disabled_accounts]
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|
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headers = ['username', 'account_changed_by']
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rows = []
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for user in all_disabled_users:
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row = [user.username, user.standing.changed_by]
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rows.append(row)
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context = {'headers': headers, 'rows': rows}
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|
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return render_to_response("manage_user_standing.html", context)
|
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|
|
|
|
@require_POST
|
|
@login_required
|
|
@ensure_csrf_cookie
|
|
def disable_account_ajax(request):
|
|
"""
|
|
Ajax call to change user standing. Endpoint of the form
|
|
in manage_user_standing.html
|
|
"""
|
|
if not request.user.is_staff:
|
|
raise Http404
|
|
username = request.POST.get('username')
|
|
context = {}
|
|
if username is None or username.strip() == '':
|
|
context['message'] = _('Please enter a username')
|
|
return JsonResponse(context, status=400)
|
|
|
|
account_action = request.POST.get('account_action')
|
|
if account_action is None:
|
|
context['message'] = _('Please choose an option')
|
|
return JsonResponse(context, status=400)
|
|
|
|
username = username.strip()
|
|
try:
|
|
user = User.objects.get(username=username)
|
|
except User.DoesNotExist:
|
|
context['message'] = _("User with username {} does not exist").format(username)
|
|
return JsonResponse(context, status=400)
|
|
else:
|
|
user_account, _success = UserStanding.objects.get_or_create(
|
|
user=user, defaults={'changed_by': request.user},
|
|
)
|
|
if account_action == 'disable':
|
|
user_account.account_status = UserStanding.ACCOUNT_DISABLED
|
|
context['message'] = _("Successfully disabled {}'s account").format(username)
|
|
log.info(u"%s disabled %s's account", request.user, username)
|
|
elif account_action == 'reenable':
|
|
user_account.account_status = UserStanding.ACCOUNT_ENABLED
|
|
context['message'] = _("Successfully reenabled {}'s account").format(username)
|
|
log.info(u"%s reenabled %s's account", request.user, username)
|
|
else:
|
|
context['message'] = _("Unexpected account status")
|
|
return JsonResponse(context, status=400)
|
|
user_account.changed_by = request.user
|
|
user_account.standing_last_changed_at = datetime.datetime.now(UTC)
|
|
user_account.save()
|
|
|
|
return JsonResponse(context)
|
|
|
|
|
|
@login_required
|
|
@ensure_csrf_cookie
|
|
def change_setting(request):
|
|
"""
|
|
JSON call to change a profile setting: Right now, location
|
|
"""
|
|
# TODO (vshnayder): location is no longer used
|
|
u_prof = UserProfile.objects.get(user=request.user) # request.user.profile_cache
|
|
if 'location' in request.POST:
|
|
u_prof.location = request.POST['location']
|
|
u_prof.save()
|
|
|
|
return JsonResponse({
|
|
"success": True,
|
|
"location": u_prof.location,
|
|
})
|
|
|
|
|
|
@receiver(post_save, sender=User)
|
|
def user_signup_handler(sender, **kwargs): # pylint: disable=unused-argument
|
|
"""
|
|
Handler that saves the user Signup Source when the user is created
|
|
"""
|
|
if 'created' in kwargs and kwargs['created']:
|
|
site = configuration_helpers.get_value('SITE_NAME')
|
|
if site:
|
|
user_signup_source = UserSignupSource(user=kwargs['instance'], site=site)
|
|
user_signup_source.save()
|
|
log.info(u'user {} originated from a white labeled "Microsite"'.format(kwargs['instance'].id))
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def activate_account(request, key):
|
|
"""
|
|
When link in activation e-mail is clicked
|
|
"""
|
|
# If request is in Studio call the appropriate view
|
|
if theming_helpers.get_project_root_name().lower() == u'cms':
|
|
return activate_account_studio(request, key)
|
|
|
|
try:
|
|
registration = Registration.objects.get(activation_key=key)
|
|
except (Registration.DoesNotExist, Registration.MultipleObjectsReturned):
|
|
messages.error(
|
|
request,
|
|
HTML(_(
|
|
'{html_start}Your account could not be activated{html_end}'
|
|
'Something went wrong, please <a href="{support_url}">contact support</a> to resolve this issue.'
|
|
)).format(
|
|
support_url=configuration_helpers.get_value('SUPPORT_SITE_LINK', settings.SUPPORT_SITE_LINK),
|
|
html_start=HTML('<p class="message-title">'),
|
|
html_end=HTML('</p>'),
|
|
),
|
|
extra_tags='account-activation aa-icon'
|
|
)
|
|
else:
|
|
if registration.user.is_active:
|
|
messages.info(
|
|
request,
|
|
HTML(_('{html_start}This account has already been activated.{html_end}')).format(
|
|
html_start=HTML('<p class="message-title">'),
|
|
html_end=HTML('</p>'),
|
|
),
|
|
extra_tags='account-activation aa-icon',
|
|
)
|
|
elif waffle().is_enabled(PREVENT_AUTH_USER_WRITES):
|
|
messages.error(
|
|
request,
|
|
HTML(u'{html_start}{message}{html_end}').format(
|
|
message=Text(SYSTEM_MAINTENANCE_MSG),
|
|
html_start=HTML('<p class="message-title">'),
|
|
html_end=HTML('</p>'),
|
|
),
|
|
extra_tags='account-activation aa-icon',
|
|
)
|
|
else:
|
|
registration.activate()
|
|
# Success message for logged in users.
|
|
message = _('{html_start}Success{html_end} You have activated your account.')
|
|
|
|
if not request.user.is_authenticated:
|
|
# Success message for logged out users
|
|
message = _(
|
|
'{html_start}Success! You have activated your account.{html_end}'
|
|
'You will now receive email updates and alerts from us related to'
|
|
' the courses you are enrolled in. Sign In to continue.'
|
|
)
|
|
|
|
# Add message for later use.
|
|
messages.success(
|
|
request,
|
|
HTML(message).format(
|
|
html_start=HTML('<p class="message-title">'),
|
|
html_end=HTML('</p>'),
|
|
),
|
|
extra_tags='account-activation aa-icon',
|
|
)
|
|
|
|
return redirect('dashboard')
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def activate_account_studio(request, key):
|
|
"""
|
|
When link in activation e-mail is clicked and the link belongs to studio.
|
|
"""
|
|
try:
|
|
registration = Registration.objects.get(activation_key=key)
|
|
except (Registration.DoesNotExist, Registration.MultipleObjectsReturned):
|
|
return render_to_response(
|
|
"registration/activation_invalid.html",
|
|
{'csrf': csrf(request)['csrf_token']}
|
|
)
|
|
else:
|
|
user_logged_in = request.user.is_authenticated
|
|
already_active = True
|
|
if not registration.user.is_active:
|
|
if waffle().is_enabled(PREVENT_AUTH_USER_WRITES):
|
|
return render_to_response('registration/activation_invalid.html',
|
|
{'csrf': csrf(request)['csrf_token']})
|
|
registration.activate()
|
|
already_active = False
|
|
|
|
return render_to_response(
|
|
"registration/activation_complete.html",
|
|
{
|
|
'user_logged_in': user_logged_in,
|
|
'already_active': already_active
|
|
}
|
|
)
|
|
|
|
|
|
@require_http_methods(['POST'])
|
|
def password_change_request_handler(request):
|
|
"""Handle password change requests originating from the account page.
|
|
|
|
Uses the Account API to email the user a link to the password reset page.
|
|
|
|
Note:
|
|
The next step in the password reset process (confirmation) is currently handled
|
|
by student.views.password_reset_confirm_wrapper, a custom wrapper around Django's
|
|
password reset confirmation view.
|
|
|
|
Args:
|
|
request (HttpRequest)
|
|
|
|
Returns:
|
|
HttpResponse: 200 if the email was sent successfully
|
|
HttpResponse: 400 if there is no 'email' POST parameter
|
|
HttpResponse: 403 if the client has been rate limited
|
|
HttpResponse: 405 if using an unsupported HTTP method
|
|
|
|
Example usage:
|
|
|
|
POST /account/password
|
|
|
|
"""
|
|
|
|
limiter = BadRequestRateLimiter()
|
|
if limiter.is_rate_limit_exceeded(request):
|
|
AUDIT_LOG.warning("Password reset rate limit exceeded")
|
|
return HttpResponseForbidden()
|
|
|
|
user = request.user
|
|
# Prefer logged-in user's email
|
|
email = user.email if user.is_authenticated else request.POST.get('email')
|
|
|
|
if email:
|
|
try:
|
|
from openedx.core.djangoapps.user_api.accounts.api import request_password_change
|
|
request_password_change(email, request.is_secure())
|
|
user = user if user.is_authenticated else get_user_from_email(email=email)
|
|
destroy_oauth_tokens(user)
|
|
except UserNotFound:
|
|
AUDIT_LOG.info("Invalid password reset attempt")
|
|
# Increment the rate limit counter
|
|
limiter.tick_bad_request_counter(request)
|
|
|
|
# If enabled, send an email saying that a password reset was attempted, but that there is
|
|
# no user associated with the email
|
|
if configuration_helpers.get_value('ENABLE_PASSWORD_RESET_FAILURE_EMAIL',
|
|
settings.FEATURES['ENABLE_PASSWORD_RESET_FAILURE_EMAIL']):
|
|
|
|
site = get_current_site()
|
|
message_context = get_base_template_context(site)
|
|
|
|
message_context.update({
|
|
'failed': True,
|
|
'request': request, # Used by google_analytics_tracking_pixel
|
|
'email_address': email,
|
|
})
|
|
|
|
msg = PasswordReset().personalize(
|
|
recipient=Recipient(username='', email_address=email),
|
|
language=settings.LANGUAGE_CODE,
|
|
user_context=message_context,
|
|
)
|
|
|
|
ace.send(msg)
|
|
except UserAPIInternalError as err:
|
|
log.exception('Error occured during password change for user {email}: {error}'
|
|
.format(email=email, error=err))
|
|
return HttpResponse(_("Some error occured during password change. Please try again"), status=500)
|
|
|
|
return HttpResponse(status=200)
|
|
else:
|
|
return HttpResponseBadRequest(_("No email address provided."))
|
|
|
|
|
|
def get_user_from_email(email):
|
|
"""
|
|
Find a user using given email and return it.
|
|
|
|
Arguments:
|
|
email (str): primary or secondary email address of the user.
|
|
|
|
Raises:
|
|
(User.ObjectNotFound): If no user is found with the given email.
|
|
(User.MultipleObjectsReturned): If more than one user is found with the given email.
|
|
|
|
Returns:
|
|
User: Django user object.
|
|
"""
|
|
try:
|
|
return User.objects.get(email=email)
|
|
except ObjectDoesNotExist:
|
|
return User.objects.filter(
|
|
id__in=AccountRecovery.objects.filter(secondary_email__iexact=email, is_active=True).values_list('user')
|
|
).get()
|
|
|
|
|
|
@csrf_exempt
|
|
@require_POST
|
|
def password_reset(request):
|
|
"""
|
|
Attempts to send a password reset e-mail.
|
|
"""
|
|
# Add some rate limiting here by re-using the RateLimitMixin as a helper class
|
|
limiter = BadRequestRateLimiter()
|
|
if limiter.is_rate_limit_exceeded(request):
|
|
AUDIT_LOG.warning("Rate limit exceeded in password_reset")
|
|
return HttpResponseForbidden()
|
|
|
|
form = PasswordResetFormNoActive(request.POST)
|
|
if form.is_valid():
|
|
form.save(use_https=request.is_secure(),
|
|
from_email=configuration_helpers.get_value('email_from_address', settings.DEFAULT_FROM_EMAIL),
|
|
request=request)
|
|
# When password change is complete, a "edx.user.settings.changed" event will be emitted.
|
|
# But because changing the password is multi-step, we also emit an event here so that we can
|
|
# track where the request was initiated.
|
|
tracker.emit(
|
|
SETTING_CHANGE_INITIATED,
|
|
{
|
|
"setting": "password",
|
|
"old": None,
|
|
"new": None,
|
|
"user_id": request.user.id,
|
|
}
|
|
)
|
|
destroy_oauth_tokens(request.user)
|
|
else:
|
|
# bad user? tick the rate limiter counter
|
|
AUDIT_LOG.info("Bad password_reset user passed in.")
|
|
limiter.tick_bad_request_counter(request)
|
|
|
|
return JsonResponse({
|
|
'success': True,
|
|
'value': render_to_string('registration/password_reset_done.html', {}),
|
|
})
|
|
|
|
|
|
def uidb36_to_uidb64(uidb36):
|
|
"""
|
|
Needed to support old password reset URLs that use base36-encoded user IDs
|
|
https://github.com/django/django/commit/1184d077893ff1bc947e45b00a4d565f3df81776#diff-c571286052438b2e3190f8db8331a92bR231
|
|
Args:
|
|
uidb36: base36-encoded user ID
|
|
|
|
Returns: base64-encoded user ID. Otherwise returns a dummy, invalid ID
|
|
"""
|
|
try:
|
|
uidb64 = force_text(urlsafe_base64_encode(force_bytes(base36_to_int(uidb36))))
|
|
except ValueError:
|
|
uidb64 = '1' # dummy invalid ID (incorrect padding for base64)
|
|
return uidb64
|
|
|
|
|
|
def password_reset_confirm_wrapper(request, uidb36=None, token=None):
|
|
"""
|
|
A wrapper around django.contrib.auth.views.password_reset_confirm.
|
|
Needed because we want to set the user as active at this step.
|
|
We also optionally do some additional password policy checks.
|
|
"""
|
|
# convert old-style base36-encoded user id to base64
|
|
uidb64 = uidb36_to_uidb64(uidb36)
|
|
platform_name = {
|
|
"platform_name": configuration_helpers.get_value('platform_name', settings.PLATFORM_NAME)
|
|
}
|
|
|
|
# User can not get this link unless account recovery feature is enabled.
|
|
if 'is_account_recovery' in request.GET and not is_secondary_email_feature_enabled():
|
|
raise Http404
|
|
|
|
try:
|
|
uid_int = base36_to_int(uidb36)
|
|
user = User.objects.get(id=uid_int)
|
|
except (ValueError, User.DoesNotExist):
|
|
# if there's any error getting a user, just let django's
|
|
# password_reset_confirm function handle it.
|
|
return password_reset_confirm(
|
|
request, uidb64=uidb64, token=token, extra_context=platform_name
|
|
)
|
|
|
|
if UserRetirementRequest.has_user_requested_retirement(user):
|
|
# Refuse to reset the password of any user that has requested retirement.
|
|
context = {
|
|
'validlink': True,
|
|
'form': None,
|
|
'title': _('Password reset unsuccessful'),
|
|
'err_msg': _('Error in resetting your password.'),
|
|
}
|
|
context.update(platform_name)
|
|
return TemplateResponse(
|
|
request, 'registration/password_reset_confirm.html', context
|
|
)
|
|
|
|
if waffle().is_enabled(PREVENT_AUTH_USER_WRITES):
|
|
context = {
|
|
'validlink': False,
|
|
'form': None,
|
|
'title': _('Password reset unsuccessful'),
|
|
'err_msg': SYSTEM_MAINTENANCE_MSG,
|
|
}
|
|
context.update(platform_name)
|
|
return TemplateResponse(
|
|
request, 'registration/password_reset_confirm.html', context
|
|
)
|
|
|
|
if request.method == 'POST':
|
|
# We have to make a copy of request.POST because it is a QueryDict object which is immutable until copied.
|
|
# We have to use request.POST because the password_reset_confirm method takes in the request and a user's
|
|
# password is set to the request.POST['new_password1'] field. We have to also normalize the new_password2
|
|
# field so it passes the equivalence check that new_password1 == new_password2
|
|
# In order to switch out of having to do this copy, we would want to move the normalize_password code into
|
|
# a custom User model's set_password method to ensure it is always happening upon calling set_password.
|
|
request.POST = request.POST.copy()
|
|
request.POST['new_password1'] = normalize_password(request.POST['new_password1'])
|
|
request.POST['new_password2'] = normalize_password(request.POST['new_password2'])
|
|
|
|
password = request.POST['new_password1']
|
|
|
|
try:
|
|
validate_password(password, user=user)
|
|
except ValidationError as err:
|
|
# We have a password reset attempt which violates some security
|
|
# policy, or any other validation. Use the existing Django template to communicate that
|
|
# back to the user.
|
|
context = {
|
|
'validlink': True,
|
|
'form': None,
|
|
'title': _('Password reset unsuccessful'),
|
|
'err_msg': ' '.join(err.messages),
|
|
}
|
|
context.update(platform_name)
|
|
return TemplateResponse(
|
|
request, 'registration/password_reset_confirm.html', context
|
|
)
|
|
|
|
# remember what the old password hash is before we call down
|
|
old_password_hash = user.password
|
|
|
|
if 'is_account_recovery' in request.GET:
|
|
response = password_reset_confirm(
|
|
request,
|
|
uidb64=uidb64,
|
|
token=token,
|
|
extra_context=platform_name,
|
|
template_name='registration/password_reset_confirm.html',
|
|
post_reset_redirect='signin_user',
|
|
)
|
|
else:
|
|
response = password_reset_confirm(
|
|
request, uidb64=uidb64, token=token, extra_context=platform_name
|
|
)
|
|
|
|
# If password reset was unsuccessful a template response is returned (status_code 200).
|
|
# Check if form is invalid then show an error to the user.
|
|
# Note if password reset was successful we get response redirect (status_code 302).
|
|
if response.status_code == 200:
|
|
form_valid = response.context_data['form'].is_valid() if response.context_data['form'] else False
|
|
if not form_valid:
|
|
log.warning(
|
|
u'Unable to reset password for user [%s] because form is not valid. '
|
|
u'A possible cause is that the user had an invalid reset token',
|
|
user.username,
|
|
)
|
|
response.context_data['err_msg'] = _('Error in resetting your password. Please try again.')
|
|
return response
|
|
|
|
# get the updated user
|
|
updated_user = User.objects.get(id=uid_int)
|
|
if 'is_account_recovery' in request.GET:
|
|
try:
|
|
updated_user.email = updated_user.account_recovery.secondary_email
|
|
updated_user.account_recovery.delete()
|
|
# emit an event that the user changed their secondary email to the primary email
|
|
tracker.emit(
|
|
SETTING_CHANGE_INITIATED,
|
|
{
|
|
"setting": "email",
|
|
"old": user.email,
|
|
"new": updated_user.email,
|
|
"user_id": updated_user.id,
|
|
}
|
|
)
|
|
except ObjectDoesNotExist:
|
|
log.error(
|
|
'Account recovery process initiated without AccountRecovery instance for user {username}'.format(
|
|
username=updated_user.username
|
|
)
|
|
)
|
|
|
|
updated_user.save()
|
|
|
|
if response.status_code == 302 and 'is_account_recovery' in request.GET:
|
|
messages.success(
|
|
request,
|
|
HTML(_(
|
|
'{html_start}Password Creation Complete{html_end}'
|
|
'Your password has been created. {bold_start}{email}{bold_end} is now your primary login email.'
|
|
)).format(
|
|
support_url=configuration_helpers.get_value('SUPPORT_SITE_LINK', settings.SUPPORT_SITE_LINK),
|
|
html_start=HTML('<p class="message-title">'),
|
|
html_end=HTML('</p>'),
|
|
bold_start=HTML('<b>'),
|
|
bold_end=HTML('</b>'),
|
|
email=updated_user.email,
|
|
),
|
|
extra_tags='account-recovery aa-icon submission-success'
|
|
)
|
|
else:
|
|
response = password_reset_confirm(
|
|
request, uidb64=uidb64, token=token, extra_context=platform_name
|
|
)
|
|
|
|
response_was_successful = response.context_data.get('validlink')
|
|
if response_was_successful and not user.is_active:
|
|
user.is_active = True
|
|
user.save()
|
|
|
|
return response
|
|
|
|
|
|
def validate_new_email(user, new_email):
|
|
"""
|
|
Given a new email for a user, does some basic verification of the new address If any issues are encountered
|
|
with verification a ValueError will be thrown.
|
|
"""
|
|
try:
|
|
validate_email(new_email)
|
|
except ValidationError:
|
|
raise ValueError(_('Valid e-mail address required.'))
|
|
|
|
if new_email == user.email:
|
|
raise ValueError(_('Old email is the same as the new email.'))
|
|
|
|
|
|
def validate_secondary_email(account_recovery, new_email):
|
|
"""
|
|
Enforce valid email addresses.
|
|
"""
|
|
|
|
from openedx.core.djangoapps.user_api.accounts.api import get_email_validation_error, \
|
|
get_secondary_email_validation_error
|
|
|
|
if get_email_validation_error(new_email):
|
|
raise ValueError(_('Valid e-mail address required.'))
|
|
|
|
if new_email == account_recovery.secondary_email:
|
|
raise ValueError(_('Old email is the same as the new email.'))
|
|
|
|
# Make sure that secondary email address is not same as user's primary email.
|
|
if new_email == account_recovery.user.email:
|
|
raise ValueError(_('Cannot be same as your sign in email address.'))
|
|
|
|
# Make sure that secondary email address is not same as any of the primary emails currently in use or retired
|
|
if email_exists_or_retired(new_email):
|
|
raise ValueError(
|
|
_("It looks like {email} belongs to an existing account. Try again with a different email address.").format(
|
|
email=new_email
|
|
)
|
|
)
|
|
|
|
message = get_secondary_email_validation_error(new_email)
|
|
if message:
|
|
raise ValueError(message)
|
|
|
|
|
|
def do_email_change_request(user, new_email, activation_key=None, secondary_email_change_request=False):
|
|
"""
|
|
Given a new email for a user, does some basic verification of the new address and sends an activation message
|
|
to the new address. If any issues are encountered with verification or sending the message, a ValueError will
|
|
be thrown.
|
|
"""
|
|
# if activation_key is not passing as an argument, generate a random key
|
|
if not activation_key:
|
|
activation_key = uuid.uuid4().hex
|
|
|
|
confirm_link = reverse('confirm_email_change', kwargs={'key': activation_key, })
|
|
|
|
if secondary_email_change_request:
|
|
PendingSecondaryEmailChange.objects.update_or_create(
|
|
user=user,
|
|
defaults={
|
|
'new_secondary_email': new_email,
|
|
'activation_key': activation_key,
|
|
}
|
|
)
|
|
confirm_link = reverse('activate_secondary_email', kwargs={'key': activation_key})
|
|
else:
|
|
PendingEmailChange.objects.update_or_create(
|
|
user=user,
|
|
defaults={
|
|
'new_email': new_email,
|
|
'activation_key': activation_key,
|
|
}
|
|
)
|
|
|
|
use_https = theming_helpers.get_current_request().is_secure()
|
|
|
|
site = Site.objects.get_current()
|
|
message_context = get_base_template_context(site)
|
|
message_context.update({
|
|
'old_email': user.email,
|
|
'new_email': new_email,
|
|
'confirm_link': '{protocol}://{site}{link}'.format(
|
|
protocol='https' if use_https else 'http',
|
|
site=configuration_helpers.get_value('SITE_NAME', settings.SITE_NAME),
|
|
link=confirm_link,
|
|
),
|
|
})
|
|
|
|
if secondary_email_change_request:
|
|
msg = RecoveryEmailCreate().personalize(
|
|
recipient=Recipient(user.username, new_email),
|
|
language=preferences_api.get_user_preference(user, LANGUAGE_KEY),
|
|
user_context=message_context,
|
|
)
|
|
else:
|
|
msg = EmailChange().personalize(
|
|
recipient=Recipient(user.username, new_email),
|
|
language=preferences_api.get_user_preference(user, LANGUAGE_KEY),
|
|
user_context=message_context,
|
|
)
|
|
|
|
try:
|
|
ace.send(msg)
|
|
except Exception:
|
|
from_address = configuration_helpers.get_value('email_from_address', settings.DEFAULT_FROM_EMAIL)
|
|
log.error(u'Unable to send email activation link to user from "%s"', from_address, exc_info=True)
|
|
raise ValueError(_('Unable to send email activation link. Please try again later.'))
|
|
|
|
if not secondary_email_change_request:
|
|
# When the email address change is complete, a "edx.user.settings.changed" event will be emitted.
|
|
# But because changing the email address is multi-step, we also emit an event here so that we can
|
|
# track where the request was initiated.
|
|
tracker.emit(
|
|
SETTING_CHANGE_INITIATED,
|
|
{
|
|
"setting": "email",
|
|
"old": message_context['old_email'],
|
|
"new": message_context['new_email'],
|
|
"user_id": user.id,
|
|
}
|
|
)
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def activate_secondary_email(request, key): # pylint: disable=unused-argument
|
|
"""
|
|
This is called when the activation link is clicked. We activate the secondary email
|
|
for the requested user.
|
|
"""
|
|
try:
|
|
pending_secondary_email_change = PendingSecondaryEmailChange.objects.get(activation_key=key)
|
|
except PendingSecondaryEmailChange.DoesNotExist:
|
|
return render_to_response("invalid_email_key.html", {})
|
|
|
|
try:
|
|
account_recovery_obj = AccountRecovery.objects.get(user_id=pending_secondary_email_change.user)
|
|
except AccountRecovery.DoesNotExist:
|
|
return render_to_response("secondary_email_change_failed.html", {
|
|
'secondary_email': pending_secondary_email_change.new_secondary_email
|
|
})
|
|
|
|
account_recovery_obj.is_active = True
|
|
account_recovery_obj.save()
|
|
return render_to_response("secondary_email_change_successful.html")
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def confirm_email_change(request, key): # pylint: disable=unused-argument
|
|
"""
|
|
User requested a new e-mail. This is called when the activation
|
|
link is clicked. We confirm with the old e-mail, and update
|
|
"""
|
|
if waffle().is_enabled(PREVENT_AUTH_USER_WRITES):
|
|
return render_to_response('email_change_failed.html', {'err_msg': SYSTEM_MAINTENANCE_MSG})
|
|
|
|
with transaction.atomic():
|
|
try:
|
|
pec = PendingEmailChange.objects.get(activation_key=key)
|
|
except PendingEmailChange.DoesNotExist:
|
|
response = render_to_response("invalid_email_key.html", {})
|
|
transaction.set_rollback(True)
|
|
return response
|
|
|
|
user = pec.user
|
|
address_context = {
|
|
'old_email': user.email,
|
|
'new_email': pec.new_email
|
|
}
|
|
|
|
if len(User.objects.filter(email=pec.new_email)) != 0:
|
|
response = render_to_response("email_exists.html", {})
|
|
transaction.set_rollback(True)
|
|
return response
|
|
|
|
use_https = request.is_secure()
|
|
if settings.FEATURES['ENABLE_MKTG_SITE']:
|
|
contact_link = marketing_link('CONTACT')
|
|
else:
|
|
contact_link = '{protocol}://{site}{link}'.format(
|
|
protocol='https' if use_https else 'http',
|
|
site=configuration_helpers.get_value('SITE_NAME', settings.SITE_NAME),
|
|
link=reverse('contact'),
|
|
)
|
|
|
|
site = Site.objects.get_current()
|
|
message_context = get_base_template_context(site)
|
|
message_context.update({
|
|
'old_email': user.email,
|
|
'new_email': pec.new_email,
|
|
'contact_link': contact_link,
|
|
'from_address': configuration_helpers.get_value('email_from_address', settings.DEFAULT_FROM_EMAIL),
|
|
})
|
|
|
|
msg = EmailChangeConfirmation().personalize(
|
|
recipient=Recipient(user.username, user.email),
|
|
language=preferences_api.get_user_preference(user, LANGUAGE_KEY),
|
|
user_context=message_context,
|
|
)
|
|
|
|
u_prof = UserProfile.objects.get(user=user)
|
|
meta = u_prof.get_meta()
|
|
if 'old_emails' not in meta:
|
|
meta['old_emails'] = []
|
|
meta['old_emails'].append([user.email, datetime.datetime.now(UTC).isoformat()])
|
|
u_prof.set_meta(meta)
|
|
u_prof.save()
|
|
# Send it to the old email...
|
|
try:
|
|
ace.send(msg)
|
|
except Exception: # pylint: disable=broad-except
|
|
log.warning('Unable to send confirmation email to old address', exc_info=True)
|
|
response = render_to_response("email_change_failed.html", {'email': user.email})
|
|
transaction.set_rollback(True)
|
|
return response
|
|
|
|
user.email = pec.new_email
|
|
user.save()
|
|
pec.delete()
|
|
# And send it to the new email...
|
|
msg.recipient = Recipient(user.username, pec.new_email)
|
|
try:
|
|
ace.send(msg)
|
|
except Exception: # pylint: disable=broad-except
|
|
log.warning('Unable to send confirmation email to new address', exc_info=True)
|
|
response = render_to_response("email_change_failed.html", {'email': pec.new_email})
|
|
transaction.set_rollback(True)
|
|
return response
|
|
|
|
response = render_to_response("email_change_successful.html", address_context)
|
|
return response
|
|
|
|
|
|
@require_POST
|
|
@login_required
|
|
@ensure_csrf_cookie
|
|
def change_email_settings(request):
|
|
"""
|
|
Modify logged-in user's setting for receiving emails from a course.
|
|
"""
|
|
user = request.user
|
|
|
|
course_id = request.POST.get("course_id")
|
|
course_key = CourseKey.from_string(course_id)
|
|
receive_emails = request.POST.get("receive_emails")
|
|
if receive_emails:
|
|
optout_object = Optout.objects.filter(user=user, course_id=course_key)
|
|
if optout_object:
|
|
optout_object.delete()
|
|
log.info(
|
|
u"User %s (%s) opted in to receive emails from course %s",
|
|
user.username,
|
|
user.email,
|
|
course_id,
|
|
)
|
|
track.views.server_track(
|
|
request,
|
|
"change-email-settings",
|
|
{"receive_emails": "yes", "course": course_id},
|
|
page='dashboard',
|
|
)
|
|
else:
|
|
Optout.objects.get_or_create(user=user, course_id=course_key)
|
|
log.info(
|
|
u"User %s (%s) opted out of receiving emails from course %s",
|
|
user.username,
|
|
user.email,
|
|
course_id,
|
|
)
|
|
track.views.server_track(
|
|
request,
|
|
"change-email-settings",
|
|
{"receive_emails": "no", "course": course_id},
|
|
page='dashboard',
|
|
)
|
|
|
|
return JsonResponse({"success": True})
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def text_me_the_app(request):
|
|
"""
|
|
Text me the app view.
|
|
"""
|
|
text_me_fragment = TextMeTheAppFragmentView().render_to_fragment(request)
|
|
context = {
|
|
'nav_hidden': True,
|
|
'show_dashboard_tabs': True,
|
|
'show_program_listing': ProgramsApiConfig.is_enabled(),
|
|
'fragment': text_me_fragment
|
|
}
|
|
|
|
return render_to_response('text-me-the-app.html', context)
|