ef69b738c9
If there is no announcement date (in the policy metadata) then use a heuristic to sort them. If there is an announcement date, the use it in the heuristic to determine if the course is new or not.
1097 lines
42 KiB
Python
1097 lines
42 KiB
Python
import datetime
|
|
import feedparser
|
|
#import itertools
|
|
import json
|
|
import logging
|
|
import random
|
|
import string
|
|
import sys
|
|
#import time
|
|
import urllib
|
|
import uuid
|
|
|
|
|
|
from django.conf import settings
|
|
from django.contrib.auth import logout, authenticate, login
|
|
from django.contrib.auth.forms import PasswordResetForm
|
|
from django.contrib.auth.models import User
|
|
from django.contrib.auth.decorators import login_required
|
|
from django.core.context_processors import csrf
|
|
from django.core.mail import send_mail
|
|
from django.core.validators import validate_email, validate_slug, ValidationError
|
|
from django.db import IntegrityError
|
|
from django.http import HttpResponse, HttpResponseForbidden, Http404
|
|
from django.shortcuts import redirect
|
|
from mitxmako.shortcuts import render_to_response, render_to_string
|
|
from bs4 import BeautifulSoup
|
|
from django.core.cache import cache
|
|
|
|
from django_future.csrf import ensure_csrf_cookie, csrf_exempt
|
|
from student.models import (Registration, UserProfile, TestCenterUser, TestCenterUserForm,
|
|
TestCenterRegistration, TestCenterRegistrationForm,
|
|
PendingNameChange, PendingEmailChange,
|
|
CourseEnrollment, unique_id_for_user,
|
|
get_testcenter_registration)
|
|
|
|
from certificates.models import CertificateStatuses, certificate_status_for_student
|
|
|
|
from xmodule.course_module import CourseDescriptor
|
|
from xmodule.modulestore.exceptions import ItemNotFoundError
|
|
from xmodule.modulestore.django import modulestore
|
|
|
|
#from datetime import date
|
|
from collections import namedtuple
|
|
|
|
from courseware.courses import get_courses, sort_by_announcement
|
|
from courseware.access import has_access
|
|
|
|
from statsd import statsd
|
|
|
|
log = logging.getLogger("mitx.student")
|
|
Article = namedtuple('Article', 'title url author image deck publication publish_date')
|
|
|
|
def csrf_token(context):
|
|
''' A csrf token that can be included in a form.
|
|
'''
|
|
csrf_token = context.get('csrf_token', '')
|
|
if csrf_token == 'NOTPROVIDED':
|
|
return ''
|
|
return (u'<div style="display:none"><input type="hidden"'
|
|
' name="csrfmiddlewaretoken" value="%s" /></div>' % (csrf_token))
|
|
|
|
|
|
# NOTE: This view is not linked to directly--it is called from
|
|
# branding/views.py:index(), which is cached for anonymous users.
|
|
# This means that it should always return the same thing for anon
|
|
# users. (in particular, no switching based on query params allowed)
|
|
def index(request, extra_context={}, user=None):
|
|
'''
|
|
Render the edX main page.
|
|
|
|
extra_context is used to allow immediate display of certain modal windows, eg signup,
|
|
as used by external_auth.
|
|
'''
|
|
|
|
# The course selection work is done in courseware.courses.
|
|
domain = settings.MITX_FEATURES.get('FORCE_UNIVERSITY_DOMAIN') # normally False
|
|
if domain==False: # do explicit check, because domain=None is valid
|
|
domain = request.META.get('HTTP_HOST')
|
|
|
|
courses = get_courses(None, domain=domain)
|
|
courses = sort_by_announcement(courses)
|
|
|
|
# Get the 3 most recent news
|
|
top_news = _get_news(top=3)
|
|
|
|
context = {'courses': courses, 'news': top_news}
|
|
context.update(extra_context)
|
|
return render_to_response('index.html', context)
|
|
|
|
|
|
def course_from_id(course_id):
|
|
"""Return the CourseDescriptor corresponding to this course_id"""
|
|
course_loc = CourseDescriptor.id_to_location(course_id)
|
|
return modulestore().get_instance(course_id, course_loc)
|
|
|
|
import re
|
|
day_pattern = re.compile('\s\d+,\s')
|
|
multimonth_pattern = re.compile('\s?\-\s?\S+\s')
|
|
|
|
def get_date_for_press(publish_date):
|
|
import datetime
|
|
# strip off extra months, and just use the first:
|
|
date = re.sub(multimonth_pattern, ", ", publish_date)
|
|
if re.search(day_pattern, date):
|
|
date = datetime.datetime.strptime(date, "%B %d, %Y")
|
|
else:
|
|
date = datetime.datetime.strptime(date, "%B, %Y")
|
|
return date
|
|
|
|
def press(request):
|
|
json_articles = cache.get("student_press_json_articles")
|
|
if json_articles == None:
|
|
if hasattr(settings, 'RSS_URL'):
|
|
content = urllib.urlopen(settings.PRESS_URL).read()
|
|
json_articles = json.loads(content)
|
|
else:
|
|
content = open(settings.PROJECT_ROOT / "templates" / "press.json").read()
|
|
json_articles = json.loads(content)
|
|
cache.set("student_press_json_articles", json_articles)
|
|
articles = [Article(**article) for article in json_articles]
|
|
articles.sort(key=lambda item: get_date_for_press(item.publish_date), reverse=True)
|
|
return render_to_response('static_templates/press.html', {'articles': articles})
|
|
|
|
|
|
def process_survey_link(survey_link, user):
|
|
"""
|
|
If {UNIQUE_ID} appears in the link, replace it with a unique id for the user.
|
|
Currently, this is sha1(user.username). Otherwise, return survey_link.
|
|
"""
|
|
return survey_link.format(UNIQUE_ID=unique_id_for_user(user))
|
|
|
|
|
|
def cert_info(user, course):
|
|
"""
|
|
Get the certificate info needed to render the dashboard section for the given
|
|
student and course. Returns a dictionary with keys:
|
|
|
|
'status': one of 'generating', 'ready', 'notpassing', 'processing'
|
|
'show_download_url': bool
|
|
'download_url': url, only present if show_download_url is True
|
|
'show_disabled_download_button': bool -- true if state is 'generating'
|
|
'show_survey_button': bool
|
|
'survey_url': url, only if show_survey_button is True
|
|
'grade': if status is not 'processing'
|
|
"""
|
|
if not course.has_ended():
|
|
return {}
|
|
|
|
return _cert_info(user, course, certificate_status_for_student(user, course.id))
|
|
|
|
def _cert_info(user, course, cert_status):
|
|
"""
|
|
Implements the logic for cert_info -- split out for testing.
|
|
"""
|
|
default_status = 'processing'
|
|
|
|
default_info = {'status': default_status,
|
|
'show_disabled_download_button': False,
|
|
'show_download_url': False,
|
|
'show_survey_button': False}
|
|
|
|
if cert_status is None:
|
|
return default_info
|
|
|
|
# simplify the status for the template using this lookup table
|
|
template_state = {
|
|
CertificateStatuses.generating: 'generating',
|
|
CertificateStatuses.regenerating: 'generating',
|
|
CertificateStatuses.downloadable: 'ready',
|
|
CertificateStatuses.notpassing: 'notpassing',
|
|
}
|
|
|
|
status = template_state.get(cert_status['status'], default_status)
|
|
|
|
d = {'status': status,
|
|
'show_download_url': status == 'ready',
|
|
'show_disabled_download_button': status == 'generating',}
|
|
|
|
if (status in ('generating', 'ready', 'notpassing') and
|
|
course.end_of_course_survey_url is not None):
|
|
d.update({
|
|
'show_survey_button': True,
|
|
'survey_url': process_survey_link(course.end_of_course_survey_url, user)})
|
|
else:
|
|
d['show_survey_button'] = False
|
|
|
|
if status == 'ready':
|
|
if 'download_url' not in cert_status:
|
|
log.warning("User %s has a downloadable cert for %s, but no download url",
|
|
user.username, course.id)
|
|
return default_info
|
|
else:
|
|
d['download_url'] = cert_status['download_url']
|
|
|
|
if status in ('generating', 'ready', 'notpassing'):
|
|
if 'grade' not in cert_status:
|
|
# Note: as of 11/20/2012, we know there are students in this state-- cs169.1x,
|
|
# who need to be regraded (we weren't tracking 'notpassing' at first).
|
|
# We can add a log.warning here once we think it shouldn't happen.
|
|
return default_info
|
|
else:
|
|
d['grade'] = cert_status['grade']
|
|
|
|
return d
|
|
|
|
@login_required
|
|
@ensure_csrf_cookie
|
|
def dashboard(request):
|
|
user = request.user
|
|
enrollments = CourseEnrollment.objects.filter(user=user)
|
|
|
|
# Build our courses list for the user, but ignore any courses that no longer
|
|
# exist (because the course IDs have changed). Still, we don't delete those
|
|
# enrollments, because it could have been a data push snafu.
|
|
courses = []
|
|
for enrollment in enrollments:
|
|
try:
|
|
courses.append(course_from_id(enrollment.course_id))
|
|
except ItemNotFoundError:
|
|
log.error("User {0} enrolled in non-existent course {1}"
|
|
.format(user.username, enrollment.course_id))
|
|
|
|
message = ""
|
|
if not user.is_active:
|
|
message = render_to_string('registration/activate_account_notice.html', {'email': user.email})
|
|
|
|
|
|
# Global staff can see what courses errored on their dashboard
|
|
staff_access = False
|
|
errored_courses = {}
|
|
if has_access(user, 'global', 'staff'):
|
|
# Show any courses that errored on load
|
|
staff_access = True
|
|
errored_courses = modulestore().get_errored_courses()
|
|
|
|
show_courseware_links_for = frozenset(course.id for course in courses
|
|
if has_access(request.user, course, 'load'))
|
|
|
|
cert_statuses = { course.id: cert_info(request.user, course) for course in courses}
|
|
|
|
exam_registrations = { course.id: exam_registration_info(request.user, course) for course in courses}
|
|
|
|
# Get the 3 most recent news
|
|
top_news = _get_news(top=3)
|
|
|
|
context = {'courses': courses,
|
|
'message': message,
|
|
'staff_access': staff_access,
|
|
'errored_courses': errored_courses,
|
|
'show_courseware_links_for' : show_courseware_links_for,
|
|
'cert_statuses': cert_statuses,
|
|
'news': top_news,
|
|
'exam_registrations': exam_registrations,
|
|
}
|
|
|
|
return render_to_response('dashboard.html', context)
|
|
|
|
|
|
def try_change_enrollment(request):
|
|
"""
|
|
This method calls change_enrollment if the necessary POST
|
|
parameters are present, but does not return anything. It
|
|
simply logs the result or exception. This is usually
|
|
called after a registration or login, as secondary action.
|
|
It should not interrupt a successful registration or login.
|
|
"""
|
|
if 'enrollment_action' in request.POST:
|
|
try:
|
|
enrollment_output = change_enrollment(request)
|
|
# There isn't really a way to display the results to the user, so we just log it
|
|
# We expect the enrollment to be a success, and will show up on the dashboard anyway
|
|
log.info("Attempted to automatically enroll after login. Results: {0}".format(enrollment_output))
|
|
except Exception, e:
|
|
log.exception("Exception automatically enrolling after login: {0}".format(str(e)))
|
|
|
|
|
|
@login_required
|
|
def change_enrollment_view(request):
|
|
"""Delegate to change_enrollment to actually do the work."""
|
|
return HttpResponse(json.dumps(change_enrollment(request)))
|
|
|
|
|
|
|
|
def change_enrollment(request):
|
|
if request.method != "POST":
|
|
raise Http404
|
|
|
|
user = request.user
|
|
if not user.is_authenticated():
|
|
raise Http404
|
|
|
|
action = request.POST.get("enrollment_action", "")
|
|
|
|
course_id = request.POST.get("course_id", None)
|
|
if course_id == None:
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'error': 'There was an error receiving the course id.'}))
|
|
|
|
if action == "enroll":
|
|
# Make sure the course exists
|
|
# We don't do this check on unenroll, or a bad course id can't be unenrolled from
|
|
try:
|
|
course = course_from_id(course_id)
|
|
except ItemNotFoundError:
|
|
log.warning("User {0} tried to enroll in non-existent course {1}"
|
|
.format(user.username, enrollment.course_id))
|
|
return {'success': False, 'error': 'The course requested does not exist.'}
|
|
|
|
if not has_access(user, course, 'enroll'):
|
|
return {'success': False,
|
|
'error': 'enrollment in {} not allowed at this time'
|
|
.format(course.display_name)}
|
|
|
|
org, course_num, run=course_id.split("/")
|
|
statsd.increment("common.student.enrollment",
|
|
tags=["org:{0}".format(org),
|
|
"course:{0}".format(course_num),
|
|
"run:{0}".format(run)])
|
|
|
|
enrollment, created = CourseEnrollment.objects.get_or_create(user=user, course_id=course.id)
|
|
return {'success': True}
|
|
|
|
elif action == "unenroll":
|
|
try:
|
|
enrollment = CourseEnrollment.objects.get(user=user, course_id=course_id)
|
|
enrollment.delete()
|
|
|
|
org, course_num, run=course_id.split("/")
|
|
statsd.increment("common.student.unenrollment",
|
|
tags=["org:{0}".format(org),
|
|
"course:{0}".format(course_num),
|
|
"run:{0}".format(run)])
|
|
|
|
return {'success': True}
|
|
except CourseEnrollment.DoesNotExist:
|
|
return {'success': False, 'error': 'You are not enrolled for this course.'}
|
|
else:
|
|
return {'success': False, 'error': 'Invalid enrollment_action.'}
|
|
|
|
return {'success': False, 'error': 'We weren\'t able to unenroll you. Please try again.'}
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def accounts_login(request, error=""):
|
|
|
|
|
|
return render_to_response('accounts_login.html', { 'error': error })
|
|
|
|
|
|
|
|
# Need different levels of logging
|
|
@ensure_csrf_cookie
|
|
def login_user(request, error=""):
|
|
''' AJAX request to log in the user. '''
|
|
if 'email' not in request.POST or 'password' not in request.POST:
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'value': 'There was an error receiving your login information. Please email us.'})) # TODO: User error message
|
|
|
|
email = request.POST['email']
|
|
password = request.POST['password']
|
|
try:
|
|
user = User.objects.get(email=email)
|
|
except User.DoesNotExist:
|
|
log.warning("Login failed - Unknown user email: {0}".format(email))
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'value': 'Email or password is incorrect.'})) # TODO: User error message
|
|
|
|
username = user.username
|
|
user = authenticate(username=username, password=password)
|
|
if user is None:
|
|
log.warning("Login failed - password for {0} is invalid".format(email))
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'value': 'Email or password is incorrect.'}))
|
|
|
|
if user is not None and user.is_active:
|
|
try:
|
|
login(request, user)
|
|
if request.POST.get('remember') == 'true':
|
|
request.session.set_expiry(None) # or change to 604800 for 7 days
|
|
log.debug("Setting user session to never expire")
|
|
else:
|
|
request.session.set_expiry(0)
|
|
except Exception as e:
|
|
log.critical("Login failed - Could not create session. Is memcached running?")
|
|
log.exception(e)
|
|
|
|
log.info("Login success - {0} ({1})".format(username, email))
|
|
|
|
try_change_enrollment(request)
|
|
|
|
statsd.increment("common.student.successful_login")
|
|
|
|
return HttpResponse(json.dumps({'success': True}))
|
|
|
|
log.warning("Login failed - Account not active for user {0}, resending activation".format(username))
|
|
|
|
reactivation_email_for_user(user)
|
|
not_activated_msg = "This account has not been activated. We have " + \
|
|
"sent another activation message. Please check your " + \
|
|
"e-mail for the activation instructions."
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'value': not_activated_msg}))
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def logout_user(request):
|
|
''' HTTP request to log out the user. Redirects to marketing page'''
|
|
logout(request)
|
|
return redirect('/')
|
|
|
|
|
|
@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
|
|
up = UserProfile.objects.get(user=request.user) # request.user.profile_cache
|
|
if 'location' in request.POST:
|
|
up.location = request.POST['location']
|
|
up.save()
|
|
|
|
return HttpResponse(json.dumps({'success': True,
|
|
'location': up.location, }))
|
|
|
|
def _do_create_account(post_vars):
|
|
"""
|
|
Given cleaned post variables, create the User and UserProfile objects, as well as the
|
|
registration for this user.
|
|
|
|
Returns a tuple (User, UserProfile, Registration).
|
|
|
|
Note: this function is also used for creating test users.
|
|
"""
|
|
user = User(username=post_vars['username'],
|
|
email=post_vars['email'],
|
|
is_active=False)
|
|
user.set_password(post_vars['password'])
|
|
registration = Registration()
|
|
# TODO: Rearrange so that if part of the process fails, the whole process fails.
|
|
# Right now, we can have e.g. no registration e-mail sent out and a zombie account
|
|
try:
|
|
user.save()
|
|
except IntegrityError:
|
|
js = {'success': False}
|
|
# Figure out the cause of the integrity error
|
|
if len(User.objects.filter(username=post_vars['username'])) > 0:
|
|
js['value'] = "An account with this username already exists."
|
|
js['field'] = 'username'
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
if len(User.objects.filter(email=post_vars['email'])) > 0:
|
|
js['value'] = "An account with this e-mail already exists."
|
|
js['field'] = 'email'
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
raise
|
|
|
|
registration.register(user)
|
|
|
|
profile = UserProfile(user=user)
|
|
profile.name = post_vars['name']
|
|
profile.level_of_education = post_vars.get('level_of_education')
|
|
profile.gender = post_vars.get('gender')
|
|
profile.mailing_address = post_vars.get('mailing_address')
|
|
profile.goals = post_vars.get('goals')
|
|
|
|
try:
|
|
profile.year_of_birth = int(post_vars['year_of_birth'])
|
|
except (ValueError, KeyError):
|
|
# If they give us garbage, just ignore it instead
|
|
# of asking them to put an integer.
|
|
profile.year_of_birth = None
|
|
try:
|
|
profile.save()
|
|
except Exception:
|
|
log.exception("UserProfile creation failed for user {0}.".format(user.id))
|
|
return (user, profile, registration)
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def create_account(request, post_override=None):
|
|
'''
|
|
JSON call to create new edX account.
|
|
Used by form in signup_modal.html, which is included into navigation.html
|
|
'''
|
|
js = {'success': False}
|
|
|
|
post_vars = post_override if post_override else request.POST
|
|
|
|
# if doing signup for an external authorization, then get email, password, name from the eamap
|
|
# don't use the ones from the form, since the user could have hacked those
|
|
DoExternalAuth = 'ExternalAuthMap' in request.session
|
|
if DoExternalAuth:
|
|
eamap = request.session['ExternalAuthMap']
|
|
email = eamap.external_email
|
|
name = eamap.external_name
|
|
password = eamap.internal_password
|
|
post_vars = dict(post_vars.items())
|
|
post_vars.update(dict(email=email, name=name, password=password))
|
|
log.debug('extauth test: post_vars = %s' % post_vars)
|
|
|
|
# Confirm we have a properly formed request
|
|
for a in ['username', 'email', 'password', 'name']:
|
|
if a not in post_vars:
|
|
js['value'] = "Error (401 {field}). E-mail us.".format(field=a)
|
|
js['field'] = a
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
if post_vars.get('honor_code', 'false') != u'true':
|
|
js['value'] = "To enroll, you must follow the honor code.".format(field=a)
|
|
js['field'] = 'honor_code'
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
if post_vars.get('terms_of_service', 'false') != u'true':
|
|
js['value'] = "You must accept the terms of service.".format(field=a)
|
|
js['field'] = 'terms_of_service'
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
# Confirm appropriate fields are there.
|
|
# TODO: Check e-mail format is correct.
|
|
# TODO: Confirm e-mail is not from a generic domain (mailinator, etc.)? Not sure if
|
|
# this is a good idea
|
|
# TODO: Check password is sane
|
|
for a in ['username', 'email', 'name', 'password', 'terms_of_service', 'honor_code']:
|
|
if len(post_vars[a]) < 2:
|
|
error_str = {'username': 'Username must be minimum of two characters long.',
|
|
'email': 'A properly formatted e-mail is required.',
|
|
'name': 'Your legal name must be a minimum of two characters long.',
|
|
'password': 'A valid password is required.',
|
|
'terms_of_service': 'Accepting Terms of Service is required.',
|
|
'honor_code': 'Agreeing to the Honor Code is required.'}
|
|
js['value'] = error_str[a]
|
|
js['field'] = a
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
try:
|
|
validate_email(post_vars['email'])
|
|
except ValidationError:
|
|
js['value'] = "Valid e-mail is required.".format(field=a)
|
|
js['field'] = 'email'
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
try:
|
|
validate_slug(post_vars['username'])
|
|
except ValidationError:
|
|
js['value'] = "Username should only consist of A-Z and 0-9.".format(field=a)
|
|
js['field'] = 'username'
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
# Ok, looks like everything is legit. Create the account.
|
|
ret = _do_create_account(post_vars)
|
|
if isinstance(ret,HttpResponse): # if there was an error then return that
|
|
return ret
|
|
(user, profile, registration) = ret
|
|
|
|
d = {'name': post_vars['name'],
|
|
'key': registration.activation_key,
|
|
}
|
|
|
|
# composes activation email
|
|
subject = render_to_string('emails/activation_email_subject.txt', d)
|
|
# Email subject *must not* contain newlines
|
|
subject = ''.join(subject.splitlines())
|
|
message = render_to_string('emails/activation_email.txt', d)
|
|
|
|
try:
|
|
if settings.MITX_FEATURES.get('REROUTE_ACTIVATION_EMAIL'):
|
|
dest_addr = settings.MITX_FEATURES['REROUTE_ACTIVATION_EMAIL']
|
|
message = ("Activation for %s (%s): %s\n" % (user, user.email, profile.name) +
|
|
'-' * 80 + '\n\n' + message)
|
|
send_mail(subject, message, settings.DEFAULT_FROM_EMAIL, [dest_addr], fail_silently=False)
|
|
elif not settings.GENERATE_RANDOM_USER_CREDENTIALS:
|
|
res = user.email_user(subject, message, settings.DEFAULT_FROM_EMAIL)
|
|
except:
|
|
log.exception(sys.exc_info())
|
|
js['value'] = 'Could not send activation e-mail.'
|
|
return HttpResponse(json.dumps(js))
|
|
|
|
# Immediately after a user creates an account, we log them in. They are only
|
|
# logged in until they close the browser. They can't log in again until they click
|
|
# the activation link from the email.
|
|
login_user = authenticate(username=post_vars['username'], password=post_vars['password'])
|
|
login(request, login_user)
|
|
request.session.set_expiry(0)
|
|
|
|
try_change_enrollment(request)
|
|
|
|
if DoExternalAuth:
|
|
eamap.user = login_user
|
|
eamap.dtsignup = datetime.datetime.now()
|
|
eamap.save()
|
|
log.debug('Updated ExternalAuthMap for %s to be %s' % (post_vars['username'],eamap))
|
|
|
|
if settings.MITX_FEATURES.get('BYPASS_ACTIVATION_EMAIL_FOR_EXTAUTH'):
|
|
log.debug('bypassing activation email')
|
|
login_user.is_active = True
|
|
login_user.save()
|
|
|
|
statsd.increment("common.student.account_created")
|
|
|
|
js = {'success': True}
|
|
return HttpResponse(json.dumps(js), mimetype="application/json")
|
|
|
|
def exam_registration_info(user, course):
|
|
""" Returns a Registration object if the user is currently registered for a current
|
|
exam of the course. Returns None if the user is not registered, or if there is no
|
|
current exam for the course.
|
|
"""
|
|
exam_info = course.current_test_center_exam
|
|
if exam_info is None:
|
|
return None
|
|
|
|
exam_code = exam_info.exam_series_code
|
|
registrations = get_testcenter_registration(user, course.id, exam_code)
|
|
if registrations:
|
|
registration = registrations[0]
|
|
else:
|
|
registration = None
|
|
return registration
|
|
|
|
@login_required
|
|
@ensure_csrf_cookie
|
|
def begin_exam_registration(request, course_id):
|
|
""" Handles request to register the user for the current
|
|
test center exam of the specified course. Called by form
|
|
in dashboard.html.
|
|
"""
|
|
user = request.user
|
|
|
|
try:
|
|
course = course_from_id(course_id)
|
|
except ItemNotFoundError:
|
|
log.error("User {0} enrolled in non-existent course {1}".format(user.username, course_id))
|
|
raise Http404
|
|
|
|
# get the exam to be registered for:
|
|
# (For now, we just assume there is one at most.)
|
|
# if there is no exam now (because someone bookmarked this stupid page),
|
|
# then return a 404:
|
|
exam_info = course.current_test_center_exam
|
|
if exam_info is None:
|
|
raise Http404
|
|
|
|
# determine if the user is registered for this course:
|
|
registration = exam_registration_info(user, course)
|
|
|
|
# we want to populate the registration page with the relevant information,
|
|
# if it already exists. Create an empty object otherwise.
|
|
try:
|
|
testcenteruser = TestCenterUser.objects.get(user=user)
|
|
except TestCenterUser.DoesNotExist:
|
|
testcenteruser = TestCenterUser()
|
|
testcenteruser.user = user
|
|
|
|
context = {'course': course,
|
|
'user': user,
|
|
'testcenteruser': testcenteruser,
|
|
'registration': registration,
|
|
'exam_info': exam_info,
|
|
}
|
|
|
|
return render_to_response('test_center_register.html', context)
|
|
|
|
@ensure_csrf_cookie
|
|
def create_exam_registration(request, post_override=None):
|
|
'''
|
|
JSON call to create a test center exam registration.
|
|
Called by form in test_center_register.html
|
|
'''
|
|
post_vars = post_override if post_override else request.POST
|
|
|
|
# first determine if we need to create a new TestCenterUser, or if we are making any update
|
|
# to an existing TestCenterUser.
|
|
username = post_vars['username']
|
|
user = User.objects.get(username=username)
|
|
course_id = post_vars['course_id']
|
|
course = course_from_id(course_id) # assume it will be found....
|
|
|
|
# make sure that any demographic data values received from the page have been stripped.
|
|
# Whitespace is not an acceptable response for any of these values
|
|
demographic_data = {}
|
|
for fieldname in TestCenterUser.user_provided_fields():
|
|
if fieldname in post_vars:
|
|
demographic_data[fieldname] = (post_vars[fieldname]).strip()
|
|
|
|
try:
|
|
testcenter_user = TestCenterUser.objects.get(user=user)
|
|
needs_updating = testcenter_user.needs_update(demographic_data)
|
|
log.info("User {0} enrolled in course {1} {2}updating demographic info for exam registration".format(user.username, course_id, "" if needs_updating else "not "))
|
|
except TestCenterUser.DoesNotExist:
|
|
# do additional initialization here:
|
|
testcenter_user = TestCenterUser.create(user)
|
|
needs_updating = True
|
|
log.info("User {0} enrolled in course {1} creating demographic info for exam registration".format(user.username, course_id))
|
|
|
|
# perform validation:
|
|
if needs_updating:
|
|
# first perform validation on the user information
|
|
# using a Django Form.
|
|
form = TestCenterUserForm(instance=testcenter_user, data=demographic_data)
|
|
if form.is_valid():
|
|
form.update_and_save()
|
|
else:
|
|
response_data = {'success': False}
|
|
# return a list of errors...
|
|
response_data['field_errors'] = form.errors
|
|
response_data['non_field_errors'] = form.non_field_errors()
|
|
return HttpResponse(json.dumps(response_data), mimetype="application/json")
|
|
|
|
# create and save the registration:
|
|
needs_saving = False
|
|
exam = course.current_test_center_exam
|
|
exam_code = exam.exam_series_code
|
|
registrations = get_testcenter_registration(user, course_id, exam_code)
|
|
if registrations:
|
|
registration = registrations[0]
|
|
# NOTE: we do not bother to check here to see if the registration has changed,
|
|
# because at the moment there is no way for a user to change anything about their
|
|
# registration. They only provide an optional accommodation request once, and
|
|
# cannot make changes to it thereafter.
|
|
# It is possible that the exam_info content has been changed, such as the
|
|
# scheduled exam dates, but those kinds of changes should not be handled through
|
|
# this registration screen.
|
|
|
|
else:
|
|
accommodation_request = post_vars.get('accommodation_request','')
|
|
registration = TestCenterRegistration.create(testcenter_user, exam, accommodation_request)
|
|
needs_saving = True
|
|
log.info("User {0} enrolled in course {1} creating new exam registration".format(user.username, course_id))
|
|
|
|
if needs_saving:
|
|
# do validation of registration. (Mainly whether an accommodation request is too long.)
|
|
form = TestCenterRegistrationForm(instance=registration, data=post_vars)
|
|
if form.is_valid():
|
|
form.update_and_save()
|
|
else:
|
|
response_data = {'success': False}
|
|
# return a list of errors...
|
|
response_data['field_errors'] = form.errors
|
|
response_data['non_field_errors'] = form.non_field_errors()
|
|
return HttpResponse(json.dumps(response_data), mimetype="application/json")
|
|
|
|
|
|
# only do the following if there is accommodation text to send,
|
|
# and a destination to which to send it.
|
|
# TODO: still need to create the accommodation email templates
|
|
# if 'accommodation_request' in post_vars and 'TESTCENTER_ACCOMMODATION_REQUEST_EMAIL' in settings:
|
|
# d = {'accommodation_request': post_vars['accommodation_request'] }
|
|
#
|
|
# # composes accommodation email
|
|
# subject = render_to_string('emails/accommodation_email_subject.txt', d)
|
|
# # Email subject *must not* contain newlines
|
|
# subject = ''.join(subject.splitlines())
|
|
# message = render_to_string('emails/accommodation_email.txt', d)
|
|
#
|
|
# try:
|
|
# dest_addr = settings['TESTCENTER_ACCOMMODATION_REQUEST_EMAIL']
|
|
# from_addr = user.email
|
|
# send_mail(subject, message, from_addr, [dest_addr], fail_silently=False)
|
|
# except:
|
|
# log.exception(sys.exc_info())
|
|
# response_data = {'success': False}
|
|
# response_data['non_field_errors'] = [ 'Could not send accommodation e-mail.', ]
|
|
# return HttpResponse(json.dumps(response_data), mimetype="application/json")
|
|
|
|
|
|
js = {'success': True}
|
|
return HttpResponse(json.dumps(js), mimetype="application/json")
|
|
|
|
|
|
def get_random_post_override():
|
|
"""
|
|
Return a dictionary suitable for passing to post_vars of _do_create_account or post_override
|
|
of create_account, with random user info.
|
|
"""
|
|
def id_generator(size=6, chars=string.ascii_uppercase + string.ascii_lowercase + string.digits):
|
|
return ''.join(random.choice(chars) for x in range(size))
|
|
|
|
return {'username': "random_" + id_generator(),
|
|
'email': id_generator(size=10, chars=string.ascii_lowercase) + "_dummy_test@mitx.mit.edu",
|
|
'password': id_generator(),
|
|
'name': (id_generator(size=5, chars=string.ascii_lowercase) + " " +
|
|
id_generator(size=7, chars=string.ascii_lowercase)),
|
|
'honor_code': u'true',
|
|
'terms_of_service': u'true', }
|
|
|
|
|
|
def create_random_account(create_account_function):
|
|
def inner_create_random_account(request):
|
|
return create_account_function(request, post_override=get_random_post_override())
|
|
|
|
return inner_create_random_account
|
|
|
|
# TODO (vshnayder): do we need GENERATE_RANDOM_USER_CREDENTIALS for anything?
|
|
if settings.GENERATE_RANDOM_USER_CREDENTIALS:
|
|
create_account = create_random_account(create_account)
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def activate_account(request, key):
|
|
''' When link in activation e-mail is clicked
|
|
'''
|
|
r = Registration.objects.filter(activation_key=key)
|
|
if len(r) == 1:
|
|
user_logged_in = request.user.is_authenticated()
|
|
already_active = True
|
|
if not r[0].user.is_active:
|
|
r[0].activate()
|
|
already_active = False
|
|
resp = render_to_response("registration/activation_complete.html", {'user_logged_in': user_logged_in, 'already_active': already_active})
|
|
return resp
|
|
if len(r) == 0:
|
|
return render_to_response("registration/activation_invalid.html", {'csrf': csrf(request)['csrf_token']})
|
|
return HttpResponse("Unknown error. Please e-mail us to let us know how it happened.")
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def password_reset(request):
|
|
''' Attempts to send a password reset e-mail. '''
|
|
if request.method != "POST":
|
|
raise Http404
|
|
|
|
# By default, Django doesn't allow Users with is_active = False to reset their passwords,
|
|
# but this bites people who signed up a long time ago, never activated, and forgot their
|
|
# password. So for their sake, we'll auto-activate a user for whom password_reset is called.
|
|
try:
|
|
user = User.objects.get(email=request.POST['email'])
|
|
user.is_active = True
|
|
user.save()
|
|
except:
|
|
log.exception("Tried to auto-activate user to enable password reset, but failed.")
|
|
|
|
form = PasswordResetForm(request.POST)
|
|
if form.is_valid():
|
|
form.save(use_https = request.is_secure(),
|
|
from_email = settings.DEFAULT_FROM_EMAIL,
|
|
request = request,
|
|
domain_override = request.get_host())
|
|
return HttpResponse(json.dumps({'success':True,
|
|
'value': render_to_string('registration/password_reset_done.html', {})}))
|
|
else:
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'error': 'Invalid e-mail'}))
|
|
|
|
@ensure_csrf_cookie
|
|
def reactivation_email(request):
|
|
''' Send an e-mail to reactivate a deactivated account, or to
|
|
resend an activation e-mail. Untested. '''
|
|
email = request.POST['email']
|
|
try:
|
|
user = User.objects.get(email='email')
|
|
except User.DoesNotExist:
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'error': 'No inactive user with this e-mail exists'}))
|
|
return reactivation_email_for_user(user)
|
|
|
|
def reactivation_email_for_user(user):
|
|
reg = Registration.objects.get(user=user)
|
|
|
|
d = {'name': user.profile.name,
|
|
'key': reg.activation_key}
|
|
|
|
subject = render_to_string('emails/activation_email_subject.txt', d)
|
|
subject = ''.join(subject.splitlines())
|
|
message = render_to_string('emails/activation_email.txt', d)
|
|
|
|
res = user.email_user(subject, message, settings.DEFAULT_FROM_EMAIL)
|
|
|
|
return HttpResponse(json.dumps({'success': True}))
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def change_email_request(request):
|
|
''' AJAX call from the profile page. User wants a new e-mail.
|
|
'''
|
|
## Make sure it checks for existing e-mail conflicts
|
|
if not request.user.is_authenticated:
|
|
raise Http404
|
|
|
|
user = request.user
|
|
|
|
if not user.check_password(request.POST['password']):
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'error': 'Invalid password'}))
|
|
|
|
new_email = request.POST['new_email']
|
|
try:
|
|
validate_email(new_email)
|
|
except ValidationError:
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'error': 'Valid e-mail address required.'}))
|
|
|
|
if len(User.objects.filter(email=new_email)) != 0:
|
|
## CRITICAL TODO: Handle case sensitivity for e-mails
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'error': 'An account with this e-mail already exists.'}))
|
|
|
|
pec_list = PendingEmailChange.objects.filter(user=request.user)
|
|
if len(pec_list) == 0:
|
|
pec = PendingEmailChange()
|
|
pec.user = user
|
|
else:
|
|
pec = pec_list[0]
|
|
|
|
pec.new_email = request.POST['new_email']
|
|
pec.activation_key = uuid.uuid4().hex
|
|
pec.save()
|
|
|
|
if pec.new_email == user.email:
|
|
pec.delete()
|
|
return HttpResponse(json.dumps({'success': False,
|
|
'error': 'Old email is the same as the new email.'}))
|
|
|
|
d = {'key': pec.activation_key,
|
|
'old_email': user.email,
|
|
'new_email': pec.new_email}
|
|
|
|
subject = render_to_string('emails/email_change_subject.txt', d)
|
|
subject = ''.join(subject.splitlines())
|
|
message = render_to_string('emails/email_change.txt', d)
|
|
|
|
res = send_mail(subject, message, settings.DEFAULT_FROM_EMAIL, [pec.new_email])
|
|
|
|
return HttpResponse(json.dumps({'success': True}))
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def confirm_email_change(request, key):
|
|
''' User requested a new e-mail. This is called when the activation
|
|
link is clicked. We confirm with the old e-mail, and update
|
|
'''
|
|
try:
|
|
pec = PendingEmailChange.objects.get(activation_key=key)
|
|
except PendingEmailChange.DoesNotExist:
|
|
return render_to_response("invalid_email_key.html", {})
|
|
|
|
user = pec.user
|
|
d = {'old_email': user.email,
|
|
'new_email': pec.new_email}
|
|
|
|
if len(User.objects.filter(email=pec.new_email)) != 0:
|
|
return render_to_response("email_exists.html", d)
|
|
|
|
subject = render_to_string('emails/email_change_subject.txt', d)
|
|
subject = ''.join(subject.splitlines())
|
|
message = render_to_string('emails/confirm_email_change.txt', d)
|
|
up = UserProfile.objects.get(user=user)
|
|
meta = up.get_meta()
|
|
if 'old_emails' not in meta:
|
|
meta['old_emails'] = []
|
|
meta['old_emails'].append([user.email, datetime.datetime.now().isoformat()])
|
|
up.set_meta(meta)
|
|
up.save()
|
|
# Send it to the old email...
|
|
user.email_user(subject, message, settings.DEFAULT_FROM_EMAIL)
|
|
user.email = pec.new_email
|
|
user.save()
|
|
pec.delete()
|
|
# And send it to the new email...
|
|
user.email_user(subject, message, settings.DEFAULT_FROM_EMAIL)
|
|
|
|
return render_to_response("email_change_successful.html", d)
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def change_name_request(request):
|
|
''' Log a request for a new name. '''
|
|
if not request.user.is_authenticated:
|
|
raise Http404
|
|
|
|
try:
|
|
pnc = PendingNameChange.objects.get(user=request.user)
|
|
except PendingNameChange.DoesNotExist:
|
|
pnc = PendingNameChange()
|
|
pnc.user = request.user
|
|
pnc.new_name = request.POST['new_name']
|
|
pnc.rationale = request.POST['rationale']
|
|
if len(pnc.new_name) < 2:
|
|
return HttpResponse(json.dumps({'success': False, 'error': 'Name required'}))
|
|
pnc.save()
|
|
|
|
# The following automatically accepts name change requests. Remove this to
|
|
# go back to the old system where it gets queued up for admin approval.
|
|
accept_name_change_by_id(pnc.id)
|
|
|
|
return HttpResponse(json.dumps({'success': True}))
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def pending_name_changes(request):
|
|
''' Web page which allows staff to approve or reject name changes. '''
|
|
if not request.user.is_staff:
|
|
raise Http404
|
|
|
|
changes = list(PendingNameChange.objects.all())
|
|
js = {'students': [{'new_name': c.new_name,
|
|
'rationale':c.rationale,
|
|
'old_name':UserProfile.objects.get(user=c.user).name,
|
|
'email':c.user.email,
|
|
'uid':c.user.id,
|
|
'cid':c.id} for c in changes]}
|
|
return render_to_response('name_changes.html', js)
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def reject_name_change(request):
|
|
''' JSON: Name change process. Course staff clicks 'reject' on a given name change '''
|
|
if not request.user.is_staff:
|
|
raise Http404
|
|
|
|
try:
|
|
pnc = PendingNameChange.objects.get(id=int(request.POST['id']))
|
|
except PendingNameChange.DoesNotExist:
|
|
return HttpResponse(json.dumps({'success': False, 'error': 'Invalid ID'}))
|
|
|
|
pnc.delete()
|
|
return HttpResponse(json.dumps({'success': True}))
|
|
|
|
|
|
def accept_name_change_by_id(id):
|
|
try:
|
|
pnc = PendingNameChange.objects.get(id=id)
|
|
except PendingNameChange.DoesNotExist:
|
|
return HttpResponse(json.dumps({'success': False, 'error': 'Invalid ID'}))
|
|
|
|
u = pnc.user
|
|
up = UserProfile.objects.get(user=u)
|
|
|
|
# Save old name
|
|
meta = up.get_meta()
|
|
if 'old_names' not in meta:
|
|
meta['old_names'] = []
|
|
meta['old_names'].append([up.name, pnc.rationale, datetime.datetime.now().isoformat()])
|
|
up.set_meta(meta)
|
|
|
|
up.name = pnc.new_name
|
|
up.save()
|
|
pnc.delete()
|
|
|
|
return HttpResponse(json.dumps({'success': True}))
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
def accept_name_change(request):
|
|
''' JSON: Name change process. Course staff clicks 'accept' on a given name change
|
|
|
|
We used this during the prototype but now we simply record name changes instead
|
|
of manually approving them. Still keeping this around in case we want to go
|
|
back to this approval method.
|
|
'''
|
|
if not request.user.is_staff:
|
|
raise Http404
|
|
|
|
return accept_name_change_by_id(int(request.POST['id']))
|
|
|
|
# TODO: This is a giant kludge to give Pearson something to test against ASAP.
|
|
# Will need to get replaced by something that actually ties into TestCenterUser
|
|
@csrf_exempt
|
|
def test_center_login(request):
|
|
if not settings.MITX_FEATURES.get('ENABLE_PEARSON_HACK_TEST'):
|
|
raise Http404
|
|
|
|
client_candidate_id = request.POST.get("clientCandidateID")
|
|
# registration_id = request.POST.get("registrationID")
|
|
exit_url = request.POST.get("exitURL")
|
|
error_url = request.POST.get("errorURL")
|
|
|
|
if client_candidate_id == "edX003671291147":
|
|
user = authenticate(username=settings.PEARSON_TEST_USER,
|
|
password=settings.PEARSON_TEST_PASSWORD)
|
|
login(request, user)
|
|
return redirect('/courses/MITx/6.002x/2012_Fall/courseware/Final_Exam/Final_Exam_Fall_2012/')
|
|
else:
|
|
return HttpResponseForbidden()
|
|
|
|
|
|
def _get_news(top=None):
|
|
"Return the n top news items on settings.RSS_URL"
|
|
|
|
feed_data = cache.get("students_index_rss_feed_data")
|
|
if feed_data == None:
|
|
if hasattr(settings, 'RSS_URL'):
|
|
feed_data = urllib.urlopen(settings.RSS_URL).read()
|
|
else:
|
|
feed_data = render_to_string("feed.rss", None)
|
|
cache.set("students_index_rss_feed_data", feed_data, settings.RSS_TIMEOUT)
|
|
|
|
feed = feedparser.parse(feed_data)
|
|
entries = feed['entries'][0:top] # all entries if top is None
|
|
for entry in entries:
|
|
soup = BeautifulSoup(entry.description)
|
|
entry.image = soup.img['src'] if soup.img else None
|
|
entry.summary = soup.getText()
|
|
|
|
return entries
|