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