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ladeng07
2022-05-06 15:45:57 +08:00
parent 12f390949b
commit 51552904f9
2347 changed files with 120102 additions and 53549 deletions
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venv/Lib/site-packages/django/middleware/common.py
+24 -29
View File
@@ -38,16 +38,16 @@ class CommonMiddleware(MiddlewareMixin):
"""
# Check for denied User-Agents
user_agent = request.META.get("HTTP_USER_AGENT")
user_agent = request.META.get('HTTP_USER_AGENT')
if user_agent is not None:
for user_agent_regex in settings.DISALLOWED_USER_AGENTS:
if user_agent_regex.search(user_agent):
raise PermissionDenied("Forbidden user agent")
raise PermissionDenied('Forbidden user agent')
# Check for a redirect based on settings.PREPEND_WWW
host = request.get_host()
must_prepend = settings.PREPEND_WWW and host and not host.startswith("www.")
redirect_url = ("%s://www.%s" % (request.scheme, host)) if must_prepend else ""
must_prepend = settings.PREPEND_WWW and host and not host.startswith('www.')
redirect_url = ('%s://www.%s' % (request.scheme, host)) if must_prepend else ''
# Check if a slash should be appended
if self.should_redirect_with_slash(request):
@@ -65,13 +65,13 @@ class CommonMiddleware(MiddlewareMixin):
Return True if settings.APPEND_SLASH is True and appending a slash to
the request path turns an invalid path into a valid one.
"""
if settings.APPEND_SLASH and not request.path_info.endswith("/"):
urlconf = getattr(request, "urlconf", None)
if settings.APPEND_SLASH and not request.path_info.endswith('/'):
urlconf = getattr(request, 'urlconf', None)
if not is_valid_path(request.path_info, urlconf):
match = is_valid_path("%s/" % request.path_info, urlconf)
match = is_valid_path('%s/' % request.path_info, urlconf)
if match:
view = match.func
return getattr(view, "should_append_slash", True)
return getattr(view, 'should_append_slash', True)
return False
def get_full_path_with_slash(self, request):
@@ -84,16 +84,15 @@ class CommonMiddleware(MiddlewareMixin):
new_path = request.get_full_path(force_append_slash=True)
# Prevent construction of scheme relative urls.
new_path = escape_leading_slashes(new_path)
if settings.DEBUG and request.method in ("POST", "PUT", "PATCH"):
if settings.DEBUG and request.method in ('POST', 'PUT', 'PATCH'):
raise RuntimeError(
"You called this URL via %(method)s, but the URL doesn't end "
"in a slash and you have APPEND_SLASH set. Django can't "
"redirect to the slash URL while maintaining %(method)s data. "
"Change your form to point to %(url)s (note the trailing "
"slash), or set APPEND_SLASH=False in your Django settings."
% {
"method": request.method,
"url": request.get_host() + new_path,
"slash), or set APPEND_SLASH=False in your Django settings." % {
'method': request.method,
'url': request.get_host() + new_path,
}
)
return new_path
@@ -110,32 +109,28 @@ class CommonMiddleware(MiddlewareMixin):
# Add the Content-Length header to non-streaming responses if not
# already set.
if not response.streaming and not response.has_header("Content-Length"):
response.headers["Content-Length"] = str(len(response.content))
if not response.streaming and not response.has_header('Content-Length'):
response.headers['Content-Length'] = str(len(response.content))
return response
class BrokenLinkEmailsMiddleware(MiddlewareMixin):
def process_response(self, request, response):
"""Send broken link emails for relevant 404 NOT FOUND responses."""
if response.status_code == 404 and not settings.DEBUG:
domain = request.get_host()
path = request.get_full_path()
referer = request.META.get("HTTP_REFERER", "")
referer = request.META.get('HTTP_REFERER', '')
if not self.is_ignorable_request(request, path, domain, referer):
ua = request.META.get("HTTP_USER_AGENT", "<none>")
ip = request.META.get("REMOTE_ADDR", "<none>")
ua = request.META.get('HTTP_USER_AGENT', '<none>')
ip = request.META.get('REMOTE_ADDR', '<none>')
mail_managers(
"Broken %slink on %s"
% (
(
"INTERNAL "
if self.is_internal_request(domain, referer)
else ""
),
domain,
"Broken %slink on %s" % (
('INTERNAL ' if self.is_internal_request(domain, referer) else ''),
domain
),
"Referrer: %s\nRequested URL: %s\nUser agent: %s\n"
"IP address: %s\n" % (referer, path, ua, ip),
@@ -163,17 +158,17 @@ class BrokenLinkEmailsMiddleware(MiddlewareMixin):
# APPEND_SLASH is enabled and the referer is equal to the current URL
# without a trailing slash indicating an internal redirect.
if settings.APPEND_SLASH and uri.endswith("/") and referer == uri[:-1]:
if settings.APPEND_SLASH and uri.endswith('/') and referer == uri[:-1]:
return True
# A '?' in referer is identified as a search engine source.
if not self.is_internal_request(domain, referer) and "?" in referer:
if not self.is_internal_request(domain, referer) and '?' in referer:
return True
# The referer is equal to the current URL, ignoring the scheme (assumed
# to be a poorly implemented bot).
parsed_referer = urlparse(referer)
if parsed_referer.netloc in ["", domain] and parsed_referer.path == uri:
if parsed_referer.netloc in ['', domain] and parsed_referer.path == uri:
return True
return any(pattern.search(uri) for pattern in settings.IGNORABLE_404_URLS)