def link(request, banner_instance_id):
"""Handle banner link."""
try:
instance = (BannerInstance.objects.select_related('badge', 'image')
.get(pk=banner_instance_id))
except BannerInstance.DoesNotExist:
return HttpResponseRedirect(settings.DEFAULT_AFFILIATE_LINK)
try:
tasks.add_click.delay(banner_instance_id)
except socket.timeout:
log.warning('Timeout connecting to celery for banner click.')
# Special redirection for bug 719522
filename = splitext(basename(instance.image.image.path))[0]
if filename in settings.BANNERS_HASH:
user_agent = request.META.get('HTTP_USER_AGENT', '')
versions_regexp = current_firefox_regexp()
ua_regexp = r"Firefox/(%s)" % versions_regexp
# Old Firefoxes go to an update page
if 'Firefox' in user_agent and not re.search(ua_regexp, user_agent):
return HttpResponseRedirect(settings.FIREFOX_UPGRADE_REDIRECT)
return HttpResponseRedirect(instance.badge.href)
def handle(self, *args, **options):
# If there are no special banners to handle, remove the .htaccess.
if not settings.BANNERS_HASH:
try:
os.remove(join(settings.MEDIA_ROOT, '.htaccess'))
except OSError:
pass # File did not exist, this is fine.
else:
template = open(join(CURRENT_PATH, 'htaccess.template')).read()
banners_hash = '|'.join(settings.BANNERS_HASH)
version_regexp = current_firefox_regexp()
output = template % (banners_hash, version_regexp)
with open(join(settings.MEDIA_ROOT, '.htaccess'), 'w') as f:
f.write(output)
