Synnefo

            l.append({'url':absolute(reverse('email_change')),

                      'name': "Change email"})

from django.utils.encoding import smart_str

from astakos.im.models import AstakosUser, Invitation, get_latest_terms, EmailChange

from astakos.im.functions import send_change_email

import hashlib

from random import random

class EmailChangeForm(forms.ModelForm):

    class Meta:

        model = EmailChange

        fields = ('new_email_address',)

    def clean_new_email_address(self):

        addr = self.cleaned_data['new_email_address']

        if AstakosUser.objects.filter(email__iexact=addr):

            raise forms.ValidationError(_(u'This email address is already in use. Please supply a different email address.'))

        return addr

    def save(self, email_template_name, request, commit=True):

        ec = super(EmailChangeForm, self).save(commit=False)

        ec.user = request.user

        activation_key = hashlib.sha1(str(random()) + smart_str(ec.new_email_address))

        ec.activation_key=activation_key.hexdigest()

        if commit:

            ec.save()

        send_change_email(ec, request, email_template_name=email_template_name)

from django.template import Context, loader

def send_change_email(ec, request, email_template_name='registration/email_change_email.txt'):

    try:

        url = reverse('email_change_confirm',

                      kwargs={'activation_key':ec.activation_key})

        url = request.build_absolute_uri(url)

        t = loader.get_template(email_template_name)

        c = {'url': url, 'site_name': SITENAME}

        from_email = DEFAULT_FROM_EMAIL

        send_mail(_("Email change on %s alpha2 testing") % SITENAME,

            t.render(Context(c)), from_email, [ec.new_email_address])

    except (SMTPException, socket.error) as e:

        logger.exception(e)

        raise ChangeEmailError()

    else:

        logger.info('Sent change email for %s', ec.user.email)

        super(SendFeedbackError, self).__init__()

class ChangeEmailError(SendMailError):

    def __init__(self):

        self.message = _('Failed to send change email')

        super(ChangeEmailError, self).__init__()

# encoding: utf-8

import datetime

from south.db import db

from south.v2 import SchemaMigration

from django.db import models

class Migration(SchemaMigration):

    def forwards(self, orm):

        # Adding model 'EmailChange'

        db.create_table('im_emailchange', (

            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),

            ('new_email_address', self.gf('django.db.models.fields.EmailField')(max_length=75)),

            ('user', self.gf('django.db.models.fields.related.ForeignKey')(related_name='emailchange_user', unique=True, to=orm['im.AstakosUser'])),

            ('requested_at', self.gf('django.db.models.fields.DateTimeField')(default=datetime.datetime(2012, 5, 3, 12, 23, 46, 711119))),

            ('activation_key', self.gf('django.db.models.fields.CharField')(unique=True, max_length=40, db_index=True)),

        ))

        db.send_create_signal('im', ['EmailChange'])

    def backwards(self, orm):

        # Deleting model 'EmailChange'

        db.delete_table('im_emailchange')

    models = {

        'auth.group': {

            'Meta': {'object_name': 'Group'},

            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),

            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),

            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})

        },

        'auth.permission': {

            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},

            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),

            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),

            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),

            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})

        },

        'auth.user': {

            'Meta': {'object_name': 'User'},

            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),

            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),

            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),

            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),

            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),

            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),

            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),

            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),

            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),

            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),

            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),

            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),

            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})

        },

        'contenttypes.contenttype': {

            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},

            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),

            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),

            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),

            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})

        },

        'im.approvalterms': {

            'Meta': {'object_name': 'ApprovalTerms'},

            'date': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime(2012, 5, 3, 12, 23, 46, 709576)', 'db_index': 'True'}),

            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),

            'location': ('django.db.models.fields.CharField', [], {'max_length': '255'})

        },

        'im.astakosuser': {

            'Meta': {'object_name': 'AstakosUser', '_ormbases': ['auth.User']},

            'affiliation': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}),

            'auth_token': ('django.db.models.fields.CharField', [], {'max_length': '32', 'null': 'True', 'blank': 'True'}),

            'auth_token_created': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),

            'auth_token_expires': ('django.db.models.fields.DateTimeField', [], {'null': 'True'}),

            'date_signed_terms': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),

            'email_verified': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),

            'has_credits': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),

            'has_signed_terms': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),

            'invitations': ('django.db.models.fields.IntegerField', [], {'default': '100'}),

            'is_verified': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),

            'level': ('django.db.models.fields.IntegerField', [], {'default': '0'}),

            'provider': ('django.db.models.fields.CharField', [], {'max_length': '255', 'blank': 'True'}),

            'third_party_identifier': ('django.db.models.fields.CharField', [], {'max_length': '255', 'null': 'True', 'blank': 'True'}),

            'updated': ('django.db.models.fields.DateTimeField', [], {}),

            'user_ptr': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.User']", 'unique': 'True', 'primary_key': 'True'})

        },

        'im.emailchange': {

            'Meta': {'object_name': 'EmailChange'},

            'activation_key': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '40', 'db_index': 'True'}),

            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),

            'new_email_address': ('django.db.models.fields.EmailField', [], {'max_length': '75'}),

            'requested_at': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime(2012, 5, 3, 12, 23, 46, 711119)'}),

            'user': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'emailchange_user'", 'unique': 'True', 'to': "orm['im.AstakosUser']"})

        },

        'im.invitation': {

            'Meta': {'object_name': 'Invitation'},

            'code': ('django.db.models.fields.BigIntegerField', [], {'db_index': 'True'}),

            'consumed': ('django.db.models.fields.DateTimeField', [], {'null': 'True', 'blank': 'True'}),

            'created': ('django.db.models.fields.DateTimeField', [], {'auto_now_add': 'True', 'blank': 'True'}),

            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),

            'inviter': ('django.db.models.fields.related.ForeignKey', [], {'related_name': "'invitations_sent'", 'null': 'True', 'to': "orm['im.AstakosUser']"}),

            'is_consumed': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),

            'realname': ('django.db.models.fields.CharField', [], {'max_length': '255'}),

            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '255'})

        }

    }

    complete_apps = ['im']

from django.db import models, IntegrityError

from django.template.loader import render_to_string

from django.core.mail import send_mail

from django.db import transaction

from astakos.im.settings import DEFAULT_USER_LEVEL, INVITATIONS_PER_LEVEL, \

AUTH_TOKEN_DURATION, BILLING_FIELDS, QUEUE_CONNECTION, SITENAME, \

EMAILCHANGE_ACTIVATION_DAYS

    return None

class EmailChangeManager(models.Manager):

    @transaction.commit_on_success

    def change_email(self, activation_key):

        """

        Validate an activation key and change the corresponding

        ``User`` if valid.

        If the key is valid and has not expired, return the ``User``

        after activating.

        If the key is not valid or has expired, return ``None``.

        If the key is valid but the ``User`` is already active,

        return ``None``.

        After successful email change the activation record is deleted.

        Throws ValueError if there is already

        """

        try:

            email_change = self.model.objects.get(activation_key=activation_key)

            if email_change.activation_key_expired():

                email_change.delete()

                raise EmailChange.DoesNotExist

            # is there an active user with this address?

            try:

                AstakosUser.objects.get(email=email_change.new_email_address)

            except AstakosUser.DoesNotExist:

                pass

            else:

                raise ValueError(_('The new email address is reserved.'))

            # update user

            user = AstakosUser.objects.get(pk=email_change.user_id)

            user.email = email_change.new_email_address

            user.save()

            email_change.delete()

            return user

        except EmailChange.DoesNotExist:

            raise ValueError(_('Invalid activation key'))

class EmailChange(models.Model):

    new_email_address = models.EmailField(_(u'new e-mail address'), help_text=_(u'Your old email address will be used until you verify your new one.'))

    user = models.ForeignKey(AstakosUser, unique=True, related_name='emailchange_user')

    requested_at = models.DateTimeField(default=datetime.now())

    activation_key = models.CharField(max_length=40, unique=True, db_index=True)

    objects = EmailChangeManager()

    def activation_key_expired(self):

        expiration_date = timedelta(days=EMAILCHANGE_ACTIVATION_DAYS)

        return self.requested_at + expiration_date < datetime.now()

# # Set the expiration time of email change requests

EMAILCHANGE_ACTIVATION_DAYS = getattr(settings, 'ASTAKOS_EMAILCHANGE_ACTIVATION_DAYS', 10)

{% extends 'im/one_col_base.html'%}

{%block page.title %}Email change{% endblock %}

{% block body %}

<div class="section">

    <p>Email change sent.</p>

</div>

{% endblock %}

{% extends 'im/one_col_base.html'%}

{%block page.title %}Email change{% endblock %}

{% block body %}

<div class="section">

    {% if modified_user %}

    <h2>Email changed syccessfully for user {{modified_user.id}}.</h2>

    {% endif %}

</div>

{% endblock %}

{% extends "im/email.txt" %}

{% block gr_content %}

Για να ανανεώσετε τον email σας για την υπηρεσία {{ site_name }} της ΕΔΕΤ κατά την alpha2 (δεύτερη δοκιμαστική) φάση λειτουργίας της, χρησιμοποιήστε τον σύνδεσμο: {{url}}

{% endblock %}

{% block gr_note %}{% endblock%}

{% block en_content %}

To change your email for GRNET's {{ site_name }} for its alpha2 testing phase service, you can use the  link: {{ url }}.

{% endblock %}

{% block en_note %}{% endblock%}

{% extends "im/account_base.html" %}

{% block body %}

<form action="{% url astakos.im.views.change_email %}" method="post"

    class="withlabels">{% csrf_token %}

    {% include "im/form_render.html" %}

    <div class="form-row submit">

        <input type="hidden" name="next" value="{{ next }}">

        <input type="submit" class="submit altcol" value="CHANGE" />

    </div>

</form>

{% endblock body %}

    url(r'^password/?$', 'change_password', {}, name='password_change'),

    url(r'^email_change/?$', 'change_email', {}, name='email_change'),

    url(r'^email_change/confirm/(?P<activation_key>\w+)/', 'change_email', {},

        name='email_change_confirm')

@transaction.commit_manually

def change_email(request, activation_key=None,

                 email_template_name='registration/email_change_email.txt',

                 form_template_name='registration/email_change_form.html',

                 confirm_template_name='registration/email_change_done.html',

                 extra_context={}):

    if activation_key:

        try:

            user = EmailChange.objects.change_email(activation_key)

            if request.user.is_authenticated() and request.user == user:

                msg = _('Email changed successfully.')

                messages.add_message(request, messages.SUCCESS, msg)

                auth_logout(request)

                response = prepare_response(request, user)

                transaction.commit()

                return response

        except ValueError, e:

            messages.add_message(request, messages.ERROR, e)

        return render_response(confirm_template_name,

                               modified_user = user if 'user' in locals() else None,

                               context_instance = get_context(request,

                                                              extra_context))

    if not request.user.is_authenticated():

        path = quote(request.get_full_path())

        url = request.build_absolute_uri(reverse('astakos.im.views.index'))

        return HttpResponseRedirect(url + '?next=' + path)

    form = EmailChangeForm(request.POST or None)

    if request.method == 'POST' and form.is_valid():

        try:

            ec = form.save(email_template_name, request)

        except SendMailError, e:

            status = messages.ERROR

            msg = e

            transaction.rollback()

        except IntegrityError, e:

            status = messages.ERROR

            msg = _('There is already a pending change email request.')

        else:

            status = messages.SUCCESS

            msg = _('Change email request has been registered succefully.\

                    You are going to receive a verification email in the new address.')

            transaction.commit()

        messages.add_message(request, status, msg)

    return render_response(form_template_name,

                           form = form,

                           context_instance = get_context(request,

                                                          extra_context))