Ejemplo n.º 1
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 def test_mako(self):
     # The default_filters used here have to match the ones in edxmako.
     template = Template(
         """
             <%! from util.markup import HTML, ugettext as _ %>
             ${_(u"A & {BC}").format(BC=HTML("B & C"))}
         """,
         default_filters=['decode.utf8', 'h'],
     )
     out = template.render({})
     self.assertEqual(out.strip(), u"A &amp; B & C")
Ejemplo n.º 2
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def _render_valid_certificate(request, context, custom_template=None):
    if custom_template:
        template = Template(
            custom_template.template,
            output_encoding='utf-8',
            input_encoding='utf-8',
            default_filters=['decode.utf8'],
            encoding_errors='replace',
        )
        context = RequestContext(request, context)
        return HttpResponse(template.render(context))
    else:
        return render_to_response("certificates/valid.html", context)
Ejemplo n.º 3
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def _render_valid_certificate(request, context, custom_template=None):
    if custom_template:
        template = Template(
            custom_template.template,
            output_encoding='utf-8',
            input_encoding='utf-8',
            default_filters=['decode.utf8'],
            encoding_errors='replace',
        )
        context = RequestContext(request, context)
        return HttpResponse(template.render(context))
    else:
        return render_to_response("certificates/valid.html", context)
Ejemplo n.º 4
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    def load_template(self, template_name, template_dirs=None):
        source, file_path = self.load_template_source(template_name,
                                                      template_dirs)

        # In order to allow dynamic template overrides, we need to cache templates based on their absolute paths
        # rather than relative paths, overriding templates would have same relative paths.
        module_directory = self.module_directory.rstrip(
            "/") + "/{dir_hash}/".format(dir_hash=hash(file_path))

        if source.startswith("## mako\n"):
            # This is a mako template
            template = Template(filename=file_path,
                                module_directory=module_directory,
                                input_encoding='utf-8',
                                output_encoding='utf-8',
                                default_filters=['decode.utf8'],
                                encoding_errors='replace',
                                uri=template_name,
                                engine=engines['mako'])
            return template, None
        else:
            # This is a regular template
            try:
                template = Engine.get_default().from_string(source)
                return template, None
            except ImproperlyConfigured:
                # Either no DjangoTemplates engine was configured -or- multiple engines
                # were configured, making the get_default() call above fail.
                raise
            except TemplateDoesNotExist:
                # If compiling the loaded template raises TemplateDoesNotExist, back off to
                # returning the source and display name for the requested template.
                # This allows for eventual correct identification of the actual template that does
                # not exist.
                return source, file_path
Ejemplo n.º 5
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    def load_template(self, template_name, template_dirs=None):
        source, file_path = self.load_template_source(template_name,
                                                      template_dirs)

        if source.startswith("## mako\n"):
            # This is a mako template
            template = Template(filename=file_path,
                                module_directory=self.module_directory,
                                input_encoding='utf-8',
                                output_encoding='utf-8',
                                uri=template_name)
            return template, None
        else:
            # This is a regular template
            origin = make_origin(file_path, self.load_template_source,
                                 template_name, template_dirs)
            try:
                template = get_template_from_string(source, origin,
                                                    template_name)
                return template, None
            except TemplateDoesNotExist:
                # If compiling the template we found raises TemplateDoesNotExist, back off to
                # returning the source and display name for the template we were asked to load.
                # This allows for correct identification (later) of the actual template that does
                # not exist.
                return source, file_path
Ejemplo n.º 6
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    def load_template(self, template_name, template_dirs=None):
        source, file_path = self.load_template_source(template_name,
                                                      template_dirs)

        if source.startswith("## mako\n"):
            # This is a mako template
            template = Template(filename=file_path,
                                module_directory=self.module_directory,
                                input_encoding='utf-8',
                                output_encoding='utf-8',
                                uri=template_name)
            return template, None
        else:
            # This is a regular template
            try:
                template = Engine.get_default().from_string(source)
                return template, None
            except ImproperlyConfigured:
                # Either no DjangoTemplates engine was configured -or- multiple engines
                # were configured, making the get_default() call above fail.
                raise
            except TemplateDoesNotExist:
                # If compiling the loaded template raises TemplateDoesNotExist, back off to
                # returning the source and display name for the requested template.
                # This allows for eventual correct identification of the actual template that does
                # not exist.
                return source, file_path
Ejemplo n.º 7
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def _render_certificate_template(request, context, course, user_certificate):
    """
    Picks appropriate certificate templates and renders it.
    """
    if settings.FEATURES.get('CUSTOM_CERTIFICATE_TEMPLATES_ENABLED', False):
        custom_template = get_certificate_template(course.id, user_certificate.mode)
        if custom_template:
            template = Template(
                custom_template,
                output_encoding='utf-8',
                input_encoding='utf-8',
                default_filters=['decode.utf8'],
                encoding_errors='replace',
            )
            context = RequestContext(request, context)
            return HttpResponse(template.render(context))

    return render_to_response("certificates/valid.html", context)
Ejemplo n.º 8
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def send_credit_notifications(username, course_key):
    """Sends email notification to user on different phases during credit
    course e.g., credit eligibility, credit payment etc.
    """
    try:
        user = User.objects.get(username=username)
    except User.DoesNotExist:
        log.error(u'No user with %s exist', username)
        return

    course = modulestore().get_course(course_key, depth=0)
    course_display_name = course.display_name
    tracking_context = tracker.get_tracker().resolve_context()
    tracking_id = str(tracking_context.get('user_id'))
    client_id = str(tracking_context.get('client_id'))
    events = '&t=event&ec=email&ea=open'
    tracking_pixel = 'https://www.google-analytics.com/collect?v=1&tid' + tracking_id + '&cid' + client_id + events
    dashboard_link = _email_url_parser('dashboard')
    credit_course_link = _email_url_parser('courses', '?type=credit')

    # get attached branded logo
    logo_image = cache.get('credit.email.attached-logo')
    if logo_image is None:
        branded_logo = {
            'title': 'Logo',
            'path': settings.NOTIFICATION_EMAIL_EDX_LOGO,
            'cid': str(uuid.uuid4())
        }
        logo_image_id = branded_logo['cid']
        logo_image = attach_image(branded_logo, 'Header Logo')
        if logo_image:
            cache.set('credit.email.attached-logo', logo_image,
                      settings.CREDIT_NOTIFICATION_CACHE_TIMEOUT)
    else:
        # strip enclosing angle brackets from 'logo_image' cache 'Content-ID'
        logo_image_id = logo_image.get('Content-ID', '')[1:-1]

    providers_names = get_credit_provider_attribute_values(
        course_key, 'display_name')
    providers_string = make_providers_strings(providers_names)
    context = {
        'full_name':
        user.get_full_name(),
        'platform_name':
        configuration_helpers.get_value('PLATFORM_NAME',
                                        settings.PLATFORM_NAME),
        'course_name':
        course_display_name,
        'branded_logo':
        logo_image_id,
        'dashboard_link':
        dashboard_link,
        'credit_course_link':
        credit_course_link,
        'tracking_pixel':
        tracking_pixel,
        'providers':
        providers_string,
    }

    # create the root email message
    notification_msg = MIMEMultipart('related')
    # add 'alternative' part to root email message to encapsulate the plain and
    # HTML versions, so message agents can decide which they want to display.
    msg_alternative = MIMEMultipart('alternative')
    notification_msg.attach(msg_alternative)
    # render the credit notification templates
    subject = _(u'Course Credit Eligibility')

    if providers_string:
        subject = _(u'You are eligible for credit from {providers_string}'
                    ).format(providers_string=providers_string)

    # add alternative plain text message
    email_body_plain = render_to_string(
        'credit_notifications/credit_eligibility_email.txt', context)
    msg_alternative.attach(
        SafeMIMEText(email_body_plain, _subtype='plain', _charset='utf-8'))

    # add alternative html message
    email_body_content = cache.get('credit.email.css-email-body')
    if email_body_content is None:
        html_file_path = file_path_finder(
            'templates/credit_notifications/credit_eligibility_email.html')
        if html_file_path:
            with open(html_file_path, 'r') as cur_file:
                cur_text = cur_file.read()
                # use html parser to unescape html characters which are changed
                # by the 'pynliner' while adding inline css to html content
                html_parser = six.moves.html_parser.HTMLParser()
                email_body_content = html_parser.unescape(
                    with_inline_css(cur_text))
                # cache the email body content before rendering it since the
                # email context will change for each user e.g., 'full_name'
                cache.set('credit.email.css-email-body', email_body_content,
                          settings.CREDIT_NOTIFICATION_CACHE_TIMEOUT)
        else:
            email_body_content = ''

    email_body = Template(email_body_content).render(context)
    msg_alternative.attach(
        SafeMIMEText(email_body, _subtype='html', _charset='utf-8'))

    # attach logo image
    if logo_image:
        notification_msg.attach(logo_image)

    # add email addresses of sender and receiver
    from_address = configuration_helpers.get_value('email_from_address',
                                                   settings.DEFAULT_FROM_EMAIL)
    to_address = user.email

    # send the root email message
    msg = EmailMessage(subject, '', from_address, [to_address])
    msg.attach(notification_msg)
    msg.send()
Ejemplo n.º 9
0
def render_html_view(request, user_id, course_id):
    """
    This public view generates an HTML representation of the specified student's certificate
    If a certificate is not available, we display a "Sorry!" screen instead
    """

    # Create the initial view context, bootstrapping with Django settings and passed-in values
    context = {}
    context['platform_name'] = microsite.get_value("platform_name", settings.PLATFORM_NAME)
    context['course_id'] = course_id

    # Update the view context with the default ConfigurationModel settings
    configuration = CertificateHtmlViewConfiguration.get_config()
    # if we are in a microsite, then let's first see if there is an override
    # section in our config
    config_key = microsite.get_value('microsite_config_key', 'default')
    # if there is no special microsite override, then let's use default
    if config_key not in configuration:
        config_key = 'default'
    context.update(configuration.get(config_key, {}))

    # Translators:  'All rights reserved' is a legal term used in copyrighting to protect published content
    reserved = _("All rights reserved")
    context['copyright_text'] = '&copy; {year} {platform_name}. {reserved}.'.format(
        year=settings.COPYRIGHT_YEAR,
        platform_name=context.get('platform_name'),
        reserved=reserved
    )

    # Translators:  This text is bound to the HTML 'title' element of the page and appears
    # in the browser title bar when a requested certificate is not found or recognized
    context['document_title'] = _("Invalid Certificate")

    # Translators: The &amp; characters represent an ampersand character and can be ignored
    context['company_tos_urltext'] = _("Terms of Service &amp; Honor Code")

    # Translators: A 'Privacy Policy' is a legal document/statement describing a website's use of personal information
    context['company_privacy_urltext'] = _("Privacy Policy")

    # Translators: This line appears as a byline to a header image and describes the purpose of the page
    context['logo_subtitle'] = _("Certificate Validation")
    invalid_template_path = 'certificates/invalid.html'

    # Kick the user back to the "Invalid" screen if the feature is disabled
    if not has_html_certificates_enabled(course_id):
        return render_to_response(invalid_template_path, context)

    # Load the core building blocks for the view context
    try:
        course_key = CourseKey.from_string(course_id)
        user = User.objects.get(id=user_id)
        course = modulestore().get_course(course_key)

        if not course:
            raise CourseDoesNotExist

        # Attempt to load the user's generated certificate data
        user_certificate = GeneratedCertificate.objects.get(
            user=user,
            course_id=course_key
        )

    # If there's no generated certificate data for this user, we need to see if we're in 'preview' mode...
    # If we are, we'll need to create a mock version of the user_certificate container for previewing
    except GeneratedCertificate.DoesNotExist:
        if request.GET.get('preview', None):
            user_certificate = GeneratedCertificate(
                mode=request.GET.get('preview'),
                verify_uuid=unicode(uuid4().hex),
                modified_date=datetime.now().date()
            )
        else:
            return render_to_response(invalid_template_path, context)

    # For any other expected exceptions, kick the user back to the "Invalid" screen
    except (InvalidKeyError, CourseDoesNotExist, User.DoesNotExist):
        return render_to_response(invalid_template_path, context)

    # Badge Request Event Tracking Logic
    if 'evidence_visit' in request.GET:
        try:
            badge = BadgeAssertion.objects.get(user=user, course_id=course_key)
            tracker.emit(
                'edx.badge.assertion.evidence_visited',
                {
                    'user_id': user.id,
                    'course_id': unicode(course_key),
                    'enrollment_mode': badge.mode,
                    'assertion_id': badge.id,
                    'assertion_image_url': badge.data['image'],
                    'assertion_json_url': badge.data['json']['id'],
                    'issuer': badge.data['issuer'],
                }
            )
        except BadgeAssertion.DoesNotExist:
            log.warn(
                "Could not find badge for %s on course %s.",
                user.id,
                course_key,
            )

    # Okay, now we have all of the pieces, time to put everything together

    # Get the active certificate configuration for this course
    # If we do not have an active certificate, we'll need to send the user to the "Invalid" screen
    # Passing in the 'preview' parameter, if specified, will return a configuration, if defined
    active_configuration = get_active_web_certificate(course, request.GET.get('preview'))
    if active_configuration is None:
        return render_to_response(invalid_template_path, context)
    else:
        context['certificate_data'] = active_configuration

    # Append/Override the existing view context values with any mode-specific ConfigurationModel values
    context.update(configuration.get(user_certificate.mode, {}))

    # Append/Override the existing view context values with request-time values
    _update_certificate_context(context, course, user, user_certificate)

    # If enabled, show the LinkedIn "add to profile" button
    # Clicking this button sends the user to LinkedIn where they
    # can add the certificate information to their profile.
    linkedin_config = LinkedInAddToProfileConfiguration.current()
    if linkedin_config.enabled:
        context['linked_in_url'] = linkedin_config.add_to_profile_url(
            course.id,
            course.display_name,
            user_certificate.mode,
            request.build_absolute_uri(get_certificate_url(
                user_id=user.id,
                course_id=unicode(course.id)
            ))
        )

    # Microsites will need to be able to override any hard coded
    # content that was put into the context in the
    # _update_certificate_context() call above. For example the
    # 'company_about_description' talks about edX, which we most likely
    # do not want to keep in a microsite
    #
    # So we need to re-apply any configuration/content that
    # we are sourceing from the database. This is somewhat duplicative of
    # the code at the beginning of this method, but we
    # need the configuration at the top as some error code paths
    # require that to be set up early on in the pipeline
    #
    microsite_config_key = microsite.get_value('microsite_config_key')
    if microsite_config_key:
        context.update(configuration.get(microsite_config_key, {}))

    # track certificate evidence_visited event for analytics when certificate_user and accessing_user are different
    if request.user and request.user.id != user.id:
        emit_certificate_event('evidence_visited', user, course_id, course, {
            'certificate_id': user_certificate.verify_uuid,
            'enrollment_mode': user_certificate.mode,
            'social_network': CertificateSocialNetworks.linkedin
        })

    # Append/Override the existing view context values with any course-specific static values from Advanced Settings
    context.update(course.cert_html_view_overrides)

    # FINALLY, generate and send the output the client
    if settings.FEATURES.get('CUSTOM_CERTIFICATE_TEMPLATES_ENABLED', False):
        custom_template = get_certificate_template(course_key, user_certificate.mode)
        if custom_template:
            template = Template(custom_template)
            context = RequestContext(request, context)
            return HttpResponse(template.render(context))

    return render_to_response("certificates/valid.html", context)
Ejemplo n.º 10
0
def render_html_view(request, user_id, course_id):
    """
    This public view generates an HTML representation of the specified student's certificate
    If a certificate is not available, we display a "Sorry!" screen instead
    """

    # Create the initial view context, bootstrapping with Django settings and passed-in values
    context = {}
    context['platform_name'] = microsite.get_value("platform_name",
                                                   settings.PLATFORM_NAME)
    context['course_id'] = course_id

    # Update the view context with the default ConfigurationModel settings
    configuration = CertificateHtmlViewConfiguration.get_config()
    # if we are in a microsite, then let's first see if there is an override
    # section in our config
    config_key = microsite.get_value('microsite_config_key', 'default')
    # if there is no special microsite override, then let's use default
    if config_key not in configuration:
        config_key = 'default'
    context.update(configuration.get(config_key, {}))

    # Translators:  'All rights reserved' is a legal term used in copyrighting to protect published content
    reserved = _("All rights reserved")
    context[
        'copyright_text'] = '&copy; {year} {platform_name}. {reserved}.'.format(
            year=settings.COPYRIGHT_YEAR,
            platform_name=context.get('platform_name'),
            reserved=reserved)

    # Translators:  This text is bound to the HTML 'title' element of the page and appears
    # in the browser title bar when a requested certificate is not found or recognized
    context['document_title'] = _("Invalid Certificate")

    # Translators: The &amp; characters represent an ampersand character and can be ignored
    context['company_tos_urltext'] = _("Terms of Service &amp; Honor Code")

    # Translators: A 'Privacy Policy' is a legal document/statement describing a website's use of personal information
    context['company_privacy_urltext'] = _("Privacy Policy")

    # Translators: This line appears as a byline to a header image and describes the purpose of the page
    context['logo_subtitle'] = _("Certificate Validation")
    invalid_template_path = 'certificates/invalid.html'

    # Kick the user back to the "Invalid" screen if the feature is disabled
    if not has_html_certificates_enabled(course_id):
        return render_to_response(invalid_template_path, context)

    # Load the core building blocks for the view context
    try:
        course_key = CourseKey.from_string(course_id)
        user = User.objects.get(id=user_id)
        course = modulestore().get_course(course_key)

        if not course:
            raise CourseDoesNotExist

        # Attempt to load the user's generated certificate data
        user_certificate = GeneratedCertificate.objects.get(
            user=user, course_id=course_key)

    # If there's no generated certificate data for this user, we need to see if we're in 'preview' mode...
    # If we are, we'll need to create a mock version of the user_certificate container for previewing
    except GeneratedCertificate.DoesNotExist:
        if request.GET.get('preview', None):
            user_certificate = GeneratedCertificate(
                mode=request.GET.get('preview'),
                verify_uuid=unicode(uuid4().hex),
                modified_date=datetime.now().date())
        else:
            return render_to_response(invalid_template_path, context)

    # For any other expected exceptions, kick the user back to the "Invalid" screen
    except (InvalidKeyError, CourseDoesNotExist, User.DoesNotExist):
        return render_to_response(invalid_template_path, context)

    # Badge Request Event Tracking Logic
    if 'evidence_visit' in request.GET:
        try:
            badge = BadgeAssertion.objects.get(user=user, course_id=course_key)
            tracker.emit(
                'edx.badge.assertion.evidence_visited', {
                    'user_id': user.id,
                    'course_id': unicode(course_key),
                    'enrollment_mode': badge.mode,
                    'assertion_id': badge.id,
                    'assertion_image_url': badge.data['image'],
                    'assertion_json_url': badge.data['json']['id'],
                    'issuer': badge.data['issuer'],
                })
        except BadgeAssertion.DoesNotExist:
            log.warn(
                "Could not find badge for %s on course %s.",
                user.id,
                course_key,
            )

    # Okay, now we have all of the pieces, time to put everything together

    # Get the active certificate configuration for this course
    # If we do not have an active certificate, we'll need to send the user to the "Invalid" screen
    # Passing in the 'preview' parameter, if specified, will return a configuration, if defined
    active_configuration = get_active_web_certificate(
        course, request.GET.get('preview'))
    if active_configuration is None:
        return render_to_response(invalid_template_path, context)
    else:
        context['certificate_data'] = active_configuration

    # Append/Override the existing view context values with any mode-specific ConfigurationModel values
    context.update(configuration.get(user_certificate.mode, {}))

    # Append/Override the existing view context values with request-time values
    _update_certificate_context(context, course, user, user_certificate)

    # If enabled, show the LinkedIn "add to profile" button
    # Clicking this button sends the user to LinkedIn where they
    # can add the certificate information to their profile.
    linkedin_config = LinkedInAddToProfileConfiguration.current()
    if linkedin_config.enabled:
        context['linked_in_url'] = linkedin_config.add_to_profile_url(
            course.id, course.display_name, user_certificate.mode,
            request.build_absolute_uri(
                get_certificate_url(user_id=user.id,
                                    course_id=unicode(course.id))))

    # Microsites will need to be able to override any hard coded
    # content that was put into the context in the
    # _update_certificate_context() call above. For example the
    # 'company_about_description' talks about edX, which we most likely
    # do not want to keep in a microsite
    #
    # So we need to re-apply any configuration/content that
    # we are sourceing from the database. This is somewhat duplicative of
    # the code at the beginning of this method, but we
    # need the configuration at the top as some error code paths
    # require that to be set up early on in the pipeline
    #
    microsite_config_key = microsite.get_value('microsite_config_key')
    if microsite_config_key:
        context.update(configuration.get(microsite_config_key, {}))

    # track certificate evidence_visited event for analytics when certificate_user and accessing_user are different
    if request.user and request.user.id != user.id:
        emit_certificate_event(
            'evidence_visited', user, course_id, course, {
                'certificate_id': user_certificate.verify_uuid,
                'enrollment_mode': user_certificate.mode,
                'social_network': CertificateSocialNetworks.linkedin
            })

    # Append/Override the existing view context values with any course-specific static values from Advanced Settings
    context.update(course.cert_html_view_overrides)

    # FINALLY, generate and send the output the client
    if settings.FEATURES.get('CUSTOM_CERTIFICATE_TEMPLATES_ENABLED', False):
        custom_template = get_certificate_template(course_key,
                                                   user_certificate.mode)
        if custom_template:
            template = Template(custom_template)
            context = RequestContext(request, context)
            return HttpResponse(template.render(context))

    return render_to_response("certificates/valid.html", context)