django1/django/views/registration/passwords.py

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from django.core import formfields, template_loader, validators
from django.core.extensions import DjangoContext, render_to_response
from django.models.auth import users
from django.views.decorators.auth import login_required
from django.utils.httpwrappers import HttpResponseRedirect
class PasswordResetForm(formfields.Manipulator):
"A form that lets a user request a password reset"
def __init__(self):
self.fields = (
formfields.EmailField(field_name="email", length=40, is_required=True,
validator_list=[self.isValidUserEmail]),
)
def isValidUserEmail(self, new_data, all_data):
"Validates that a user exists with the given e-mail address"
try:
self.user_cache = users.get_object(email__iexact=new_data)
except users.UserDoesNotExist:
raise validators.ValidationError, "That e-mail address doesn't have an associated user acount. Are you sure you've registered?"
def save(self, domain_override=None):
"Calculates a new password randomly and sends it to the user"
from django.core.mail import send_mail
from django.models.core import sites
new_pass = users.make_random_password()
self.user_cache.set_password(new_pass)
self.user_cache.save()
if not domain_override:
current_site = sites.get_current()
site_name = current_site.name
domain = current_site.domain
else:
site_name = domain = domain_override
t = template_loader.get_template('registration/password_reset_email')
c = {
'new_password': new_pass,
'email': self.user_cache.email,
'domain': domain,
'site_name': site_name,
'user': self.user_cache,
}
send_mail('Password reset on %s' % site_name, t.render(c), None, [self.user_cache.email])
class PasswordChangeForm(formfields.Manipulator):
"A form that lets a user change his password."
def __init__(self, user):
self.user = user
self.fields = (
formfields.PasswordField(field_name="old_password", length=30, maxlength=30, is_required=True,
validator_list=[self.isValidOldPassword]),
formfields.PasswordField(field_name="new_password1", length=30, maxlength=30, is_required=True,
validator_list=[validators.AlwaysMatchesOtherField('new_password2', "The two 'new password' fields didn't match.")]),
formfields.PasswordField(field_name="new_password2", length=30, maxlength=30, is_required=True),
)
def isValidOldPassword(self, new_data, all_data):
"Validates that the old_password field is correct."
if not self.user.check_password(new_data):
raise validators.ValidationError, "Your old password was entered incorrectly. Please enter it again."
def save(self, new_data):
"Saves the new password."
self.user.set_password(new_data['new_password1'])
self.user.save()
def password_reset(request, is_admin_site=False):
new_data, errors = {}, {}
form = PasswordResetForm()
if request.POST:
new_data = request.POST.copy()
errors = form.get_validation_errors(new_data)
if not errors:
if is_admin_site:
form.save(request.META['HTTP_HOST'])
else:
form.save()
return HttpResponseRedirect('%sdone/' % request.path)
return render_to_response('registration/password_reset_form', {'form': formfields.FormWrapper(form, new_data, errors)},
context_instance=DjangoContext(request))
def password_reset_done(request):
return render_to_response('registration/password_reset_done', context_instance=DjangoContext(request))
def password_change(request):
new_data, errors = {}, {}
form = PasswordChangeForm(request.user)
if request.POST:
new_data = request.POST.copy()
errors = form.get_validation_errors(new_data)
if not errors:
form.save(new_data)
return HttpResponseRedirect('%sdone/' % request.path)
return render_to_response('registration/password_change_form', {'form': formfields.FormWrapper(form, new_data, errors)},
context_instance=DjangoContext(request))
password_change = login_required(password_change)
def password_change_done(request):
return render_to_response('registration/password_change_done', context_instance=DjangoContext(request))