def details(request, slug):
"""
The main view of the Django-CMS! Takes a request and a slug, renders the
page.
"""
response_timestamp = now()
if get_cms_setting("PAGE_CACHE") and (
not hasattr(request, 'toolbar') or
(not request.toolbar.edit_mode and not request.toolbar.show_toolbar
and not request.user.is_authenticated())):
cache_content = get_page_cache(request)
if cache_content is not None:
content, headers, expires_datetime = cache_content
response = HttpResponse(content)
response._headers = headers
# Recalculate the max-age header for this cached response
max_age = int((expires_datetime -
response_timestamp).total_seconds() + 0.5)
patch_cache_control(response, max_age=max_age)
return response
# Get a Page model object from the request
page = get_page_from_request(request, use_path=slug)
draft_pages = get_pages_queryset(draft=True)
if not page and not slug and not draft_pages.exists():
# render the welcome page if the requested path is root "/"
# and there's no pages
return _render_welcome_page(request)
if not page:
# raise 404
_handle_no_page(request)
current_language = request.GET.get('language', None)
if not current_language:
current_language = request.POST.get('language', None)
if current_language:
current_language = get_language_code(current_language)
if current_language not in get_language_list(page.site_id):
current_language = None
if current_language is None:
current_language = get_language_code(
getattr(request, 'LANGUAGE_CODE', None))
if current_language:
current_language = get_language_code(current_language)
if current_language not in get_language_list(page.site_id):
current_language = None
if current_language is None:
current_language = get_language_code(get_language())
# Check that the current page is available in the desired (current) language
available_languages = []
# this will return all languages in draft mode, and published only in live mode
page_languages = list(page.get_published_languages())
if hasattr(request, 'user') and request.user.is_staff:
user_languages = get_language_list()
else:
user_languages = get_public_languages()
for frontend_lang in user_languages:
if frontend_lang in page_languages:
available_languages.append(frontend_lang)
# Check that the language is in FRONTEND_LANGUAGES:
own_urls = [
'http%s://%s%s' %
('s' if request.is_secure() else '', request.get_host(), request.path),
'/%s' % request.path,
request.path,
]
if current_language not in user_languages:
#are we on root?
if not slug:
#redirect to supported language
languages = []
for language in available_languages:
languages.append((language, language))
if languages:
# get supported language
new_language = get_language_from_request(request)
if new_language in get_public_languages():
with force_language(new_language):
pages_root = reverse('pages-root')
if (hasattr(request, 'toolbar')
and request.user.is_staff
and request.toolbar.edit_mode):
request.toolbar.redirect_url = pages_root
elif pages_root not in own_urls:
return HttpResponseRedirect(pages_root)
elif not hasattr(request,
'toolbar') or not request.toolbar.redirect_url:
# raise 404
_handle_no_page(request)
else:
# raise 404
_handle_no_page(request)
if current_language not in available_languages:
# If we didn't find the required page in the requested (current)
# language, let's try to find a fallback
found = False
for alt_lang in get_fallback_languages(current_language):
if alt_lang in available_languages:
if get_redirect_on_fallback(current_language) or slug == "":
with force_language(alt_lang):
path = page.get_absolute_url(language=alt_lang,
fallback=True)
# In the case where the page is not available in the
# preferred language, *redirect* to the fallback page. This
# is a design decision (instead of rendering in place)).
if (hasattr(request, 'toolbar') and request.user.is_staff
and request.toolbar.edit_mode):
request.toolbar.redirect_url = path
elif path not in own_urls:
return HttpResponseRedirect(path)
else:
found = True
if not found and (not hasattr(request, 'toolbar')
or not request.toolbar.redirect_url):
# There is a page object we can't find a proper language to render it
_handle_no_page(request)
else:
page_path = page.get_absolute_url(language=current_language)
page_slug = page.get_path(language=current_language) or page.get_slug(
language=current_language)
if slug and slug != page_slug and request.path[:len(page_path
)] != page_path:
# The current language does not match it's slug.
# Redirect to the current language.
if hasattr(
request, 'toolbar'
) and request.user.is_staff and request.toolbar.edit_mode:
request.toolbar.redirect_url = page_path
else:
return HttpResponseRedirect(page_path)
if apphook_pool.get_apphooks():
# There are apphooks in the pool. Let's see if there is one for the
# current page
# since we always have a page at this point, applications_page_check is
# pointless
# page = applications_page_check(request, page, slug)
# Check for apphooks! This time for real!
app_urls = page.get_application_urls(current_language, False)
skip_app = False
if (not page.is_published(current_language)
and hasattr(request, 'toolbar') and request.toolbar.edit_mode):
skip_app = True
if app_urls and not skip_app:
app = apphook_pool.get_apphook(app_urls)
pattern_list = []
if app:
for urlpatterns in get_app_urls(
app.get_urls(page, current_language)):
pattern_list += urlpatterns
try:
view, args, kwargs = resolve('/', tuple(pattern_list))
return view(request, *args, **kwargs)
except Resolver404:
pass
# Check if the page has a redirect url defined for this language.
redirect_url = page.get_redirect(language=current_language)
if redirect_url:
if (is_language_prefix_patterns_used() and redirect_url[0] == "/"
and not redirect_url.startswith('/%s/' % current_language)):
# add language prefix to url
redirect_url = "/%s/%s" % (current_language,
redirect_url.lstrip("/"))
# prevent redirect to self
if hasattr(request, 'toolbar'
) and request.user.is_staff and request.toolbar.edit_mode:
request.toolbar.redirect_url = redirect_url
elif redirect_url not in own_urls:
return HttpResponseRedirect(redirect_url)
# permission checks
if page.login_required and not request.user.is_authenticated():
return redirect_to_login(urlquote(request.get_full_path()),
settings.LOGIN_URL)
if hasattr(request, 'toolbar'):
request.toolbar.set_object(page)
response = render_page(request,
page,
current_language=current_language,
slug=slug)
return response
def details(request, slug):
"""
The main view of the Django-CMS! Takes a request and a slug, renders the
page.
"""
response_timestamp = now()
if get_cms_setting("PAGE_CACHE") and (
not hasattr(request, 'toolbar') or
(not request.toolbar.edit_mode_active
and not request.toolbar.show_toolbar
and not request.user.is_authenticated())):
cache_content = get_page_cache(request)
if cache_content is not None:
content, headers, expires_datetime = cache_content
response = HttpResponse(content)
response._headers = headers
# Recalculate the max-age header for this cached response
max_age = int((expires_datetime -
response_timestamp).total_seconds() + 0.5)
patch_cache_control(response, max_age=max_age)
return response
# Get a Page model object from the request
site = get_current_site()
page = get_page_from_request(request, use_path=slug)
toolbar = get_toolbar_from_request(request)
tree_nodes = TreeNode.objects.get_for_site(site)
if not page and not slug and not tree_nodes.exists():
# render the welcome page if the requested path is root "/"
# and there's no pages
return _render_welcome_page(request)
if not page:
# raise 404
_handle_no_page(request)
request.current_page = page
if hasattr(request, 'user') and request.user.is_staff:
user_languages = get_language_list(site_id=site.pk)
else:
user_languages = get_public_languages(site_id=site.pk)
request_language = get_language_from_request(request, check_path=True)
if not page.is_home and request_language not in user_languages:
# The homepage is treated differently because
# when a request goes to the root of the site (/)
# without a language, Django will redirect to the user's
# browser language which might not be a valid cms language,
# this means we need to correctly redirect that request.
return _handle_no_page(request)
# get_published_languages will return all languages in draft mode
# and published only in live mode.
# These languages are then filtered out by the user allowed languages
available_languages = [
language for language in user_languages
if language in list(page.get_published_languages())
]
own_urls = [
request.build_absolute_uri(request.path),
'/%s' % request.path,
request.path,
]
try:
redirect_on_fallback = get_redirect_on_fallback(request_language,
site_id=site.pk)
except LanguageError:
redirect_on_fallback = False
if request_language not in user_languages:
# Language is not allowed
# Use the default site language
default_language = get_default_language_for_site(site.pk)
fallbacks = get_fallback_languages(default_language, site_id=site.pk)
fallbacks = [default_language] + fallbacks
else:
fallbacks = get_fallback_languages(request_language, site_id=site.pk)
# Only fallback to languages the user is allowed to see
fallback_languages = [
language for language in fallbacks
if language != request_language and language in available_languages
]
language_is_unavailable = request_language not in available_languages
if language_is_unavailable and not fallback_languages:
# There is no page with the requested language
# and there's no configured fallbacks
return _handle_no_page(request)
elif language_is_unavailable and (redirect_on_fallback or page.is_home):
# There is no page with the requested language and
# the user has explicitly requested to redirect on fallbacks,
# so redirect to the first configured / available fallback language
fallback = fallback_languages[0]
redirect_url = page.get_absolute_url(fallback, fallback=False)
else:
page_path = page.get_absolute_url(request_language)
page_slug = page.get_path(request_language) or page.get_slug(
request_language)
if slug and slug != page_slug and request.path[:len(page_path
)] != page_path:
# The current language does not match its slug.
# Redirect to the current language.
return HttpResponseRedirect(page_path)
# Check if the page has a redirect url defined for this language.
redirect_url = page.get_redirect(request_language,
fallback=False) or ''
redirect_url = _clean_redirect_url(redirect_url, request_language)
if redirect_url:
if request.user.is_staff and toolbar.edit_mode_active:
toolbar.redirect_url = redirect_url
elif redirect_url not in own_urls:
# prevent redirect to self
return HttpResponseRedirect(redirect_url)
# permission checks
if page.login_required and not request.user.is_authenticated():
return redirect_to_login(urlquote(request.get_full_path()),
settings.LOGIN_URL)
if hasattr(request, 'toolbar'):
request.toolbar.set_object(page)
structure_requested = get_cms_setting(
'CMS_TOOLBAR_URL__BUILD') in request.GET
if user_can_change_page(request.user, page) and structure_requested:
return render_object_structure(request, page)
return render_page(request,
page,
current_language=request_language,
slug=slug)