def handle_error(self, req, client, addr, exc):
request_start = datetime.now()
addr = addr or ('', -1) # unix socket case
if isinstance(exc, (InvalidRequestLine, InvalidRequestMethod,
InvalidHTTPVersion, InvalidHeader, InvalidHeaderName,
LimitRequestLine, LimitRequestHeaders,
InvalidProxyLine, ForbiddenProxyRequest,
SSLError)):
status_int = 400
reason = "Bad Request"
if isinstance(exc, InvalidRequestLine):
mesg = "Invalid Request Line '%s'" % str(exc)
elif isinstance(exc, InvalidRequestMethod):
mesg = "Invalid Method '%s'" % str(exc)
elif isinstance(exc, InvalidHTTPVersion):
mesg = "Invalid HTTP Version '%s'" % str(exc)
elif isinstance(exc, (InvalidHeaderName, InvalidHeader,)):
mesg = "%s" % str(exc)
if not req and hasattr(exc, "req"):
req = exc.req # for access log
elif isinstance(exc, LimitRequestLine):
mesg = "%s" % str(exc)
elif isinstance(exc, LimitRequestHeaders):
mesg = "Error parsing headers: '%s'" % str(exc)
elif isinstance(exc, InvalidProxyLine):
mesg = "'%s'" % str(exc)
elif isinstance(exc, ForbiddenProxyRequest):
reason = "Forbidden"
mesg = "Request forbidden"
status_int = 403
elif isinstance(exc, SSLError):
reason = "Forbidden"
mesg = "'%s'" % str(exc)
status_int = 403
msg = "Invalid request from ip={ip}: {error}"
self.log.debug(msg.format(ip=addr[0], error=str(exc)))
else:
if hasattr(req, "uri"):
self.log.exception("Error handling request %s", req.uri)
status_int = 500
reason = "Internal Server Error"
mesg = ""
if req is not None:
request_time = datetime.now() - request_start
environ = default_environ(req, client, self.cfg)
environ['REMOTE_ADDR'] = addr[0]
environ['REMOTE_PORT'] = str(addr[1])
resp = Response(req, client, self.cfg)
resp.status = "%s %s" % (status_int, reason)
resp.response_length = len(mesg)
self.log.access(resp, req, environ, request_time)
try:
util.write_error(client, status_int, reason, mesg)
except:
self.log.debug("Failed to send error message.")
def handle_error(self, req, client, addr, exc):
request_start = datetime.now()
addr = addr or ('', -1) # unix socket case
if isinstance(exc, (InvalidRequestLine, InvalidRequestMethod,
InvalidHTTPVersion, InvalidHeader, InvalidHeaderName,
LimitRequestLine, LimitRequestHeaders,
InvalidProxyLine, ForbiddenProxyRequest,
SSLError)):
status_int = 400
reason = "Bad Request"
if isinstance(exc, InvalidRequestLine):
mesg = "Invalid Request Line '%s'" % str(exc)
elif isinstance(exc, InvalidRequestMethod):
mesg = "Invalid Method '%s'" % str(exc)
elif isinstance(exc, InvalidHTTPVersion):
mesg = "Invalid HTTP Version '%s'" % str(exc)
elif isinstance(exc, (InvalidHeaderName, InvalidHeader,)):
mesg = "%s" % str(exc)
if not req and hasattr(exc, "req"):
req = exc.req # for access log
elif isinstance(exc, LimitRequestLine):
mesg = "%s" % str(exc)
elif isinstance(exc, LimitRequestHeaders):
mesg = "Error parsing headers: '%s'" % str(exc)
elif isinstance(exc, InvalidProxyLine):
mesg = "'%s'" % str(exc)
elif isinstance(exc, ForbiddenProxyRequest):
reason = "Forbidden"
mesg = "Request forbidden"
status_int = 403
elif isinstance(exc, SSLError):
reason = "Forbidden"
mesg = "'%s'" % str(exc)
status_int = 403
msg = "Invalid request from ip={ip}: {error}"
self.log.debug(msg.format(ip=addr[0], error=str(exc)))
else:
if hasattr(req, "uri"):
self.log.exception("Error handling request %s", req.uri)
status_int = 500
reason = "Internal Server Error"
mesg = ""
if req is not None:
request_time = datetime.now() - request_start
environ = default_environ(req, client, self.cfg)
environ['REMOTE_ADDR'] = addr[0]
environ['REMOTE_PORT'] = str(addr[1])
resp = Response(req, client, self.cfg)
resp.status = "%s %s" % (status_int, reason)
resp.response_length = len(mesg)
self.log.access(resp, req, environ, request_time)
try:
util.write_error(client, status_int, reason, mesg)
except:
self.log.debug("Failed to send error message.")
def handle_error(self, req, client, addr, exc):
request_start = datetime.now()
addr = addr or ('', -1) # unix socket case
if isinstance(exc, (InvalidRequestLine, InvalidRequestMethod,
InvalidHTTPVersion, InvalidHeader, InvalidHeaderName,
LimitRequestLine, LimitRequestHeaders,)):
status_int = 400
reason = "Bad Request"
if isinstance(exc, InvalidRequestLine):
mesg = "<p>Invalid Request Line '%s'</p>" % str(exc)
elif isinstance(exc, InvalidRequestMethod):
mesg = "<p>Invalid Method '%s'</p>" % str(exc)
elif isinstance(exc, InvalidHTTPVersion):
mesg = "<p>Invalid HTTP Version '%s'</p>" % str(exc)
elif isinstance(exc, (InvalidHeaderName, InvalidHeader,)):
mesg = "<p>Invalid Header '%s'</p>" % str(exc)
elif isinstance(exc, LimitRequestLine):
mesg = "<p>%s</p>" % str(exc)
elif isinstance(exc, LimitRequestHeaders):
mesg = "<p>Error parsing headers: '%s'</p>" % str(exc)
self.log.debug("Invalid request from ip={ip}: {error}"\
"".format(ip=addr[0],
error=str(exc),
)
)
else:
self.log.exception("Error handling request")
status_int = 500
reason = "Internal Server Error"
mesg = ""
if req is not None:
request_time = datetime.now() - request_start
environ = default_environ(req, client, self.cfg)
environ['REMOTE_ADDR'] = addr[0]
environ['REMOTE_PORT'] = str(addr[1])
resp = Response(req, client)
resp.status = "%s %s" % (status_int, reason)
resp.response_length = len(mesg)
self.log.access(resp, req, environ, request_time)
if self.debug:
tb = traceback.format_exc()
mesg += "<h2>Traceback:</h2>\n<pre>%s</pre>" % tb
try:
util.write_error(client, status_int, reason, mesg)
except:
self.log.debug("Failed to send error message.")
def handle_error(self, req, client, addr, exc):
request_start = datetime.now()
if isinstance(exc, (InvalidRequestLine, InvalidRequestMethod,
InvalidHTTPVersion, InvalidHeader, InvalidHeaderName,
LimitRequestLine, LimitRequestHeaders,)):
status_int = 400
reason = "Bad Request"
if isinstance(exc, InvalidRequestLine):
mesg = "<p>Invalid Request Line '%s'</p>" % str(exc)
elif isinstance(exc, InvalidRequestMethod):
mesg = "<p>Invalid Method '%s'</p>" % str(exc)
elif isinstance(exc, InvalidHTTPVersion):
mesg = "<p>Invalid HTTP Version '%s'</p>" % str(exc)
elif isinstance(exc, (InvalidHeaderName, InvalidHeader,)):
mesg = "<p>Invalid Header '%s'</p>" % str(exc)
elif isinstance(exc, LimitRequestLine):
mesg = "<p>%s</p>" % str(exc)
elif isinstance(exc, LimitRequestHeaders):
mesg = "<p>Error parsing headers: '%s'</p>" % str(exc)
self.log.debug("Invalid request from ip={ip}: {error}"\
"".format(ip=client.getpeername()[0],
error=repr(exc),
)
)
else:
self.log.exception("Error handling request")
status_int = 500
reason = "Internal Server Error"
mesg = ""
if req is not None:
request_time = datetime.now() - request_start
environ = default_environ(req, client, self.cfg)
environ['REMOTE_ADDR'] = addr[0]
environ['REMOTE_PORT'] = str(addr[1])
resp = Response(req, client)
resp.status = "%s %s" % (status_int, reason)
resp.response_length = len(mesg)
self.log.access(resp, req, environ, request_time)
if self.debug:
tb = traceback.format_exc()
mesg += "<h2>Traceback:</h2>\n<pre>%s</pre>" % tb
try:
util.write_error(client, status_int, reason, mesg)
except:
self.log.warning("Failed to send error message.")
def handle_error(self, req, client, addr, exc):
request_start = datetime.now()
addr = addr or ('', -1) # unix socket case
if isinstance(exc, (
InvalidRequestLine,
InvalidRequestMethod,
InvalidHTTPVersion,
InvalidHeader,
InvalidHeaderName,
LimitRequestLine,
LimitRequestHeaders,
InvalidProxyLine,
ForbiddenProxyRequest,
)):
status_int = 400
reason = "Bad Request"
if isinstance(exc, InvalidRequestLine):
mesg = "<p>Invalid Request Line '%s'</p>" % str(exc)
elif isinstance(exc, InvalidRequestMethod):
mesg = "<p>Invalid Method '%s'</p>" % str(exc)
elif isinstance(exc, InvalidHTTPVersion):
mesg = "<p>Invalid HTTP Version '%s'</p>" % str(exc)
elif isinstance(exc, (
InvalidHeaderName,
InvalidHeader,
)):
mesg = "<p>%s</p>" % str(exc)
if not req and hasattr(exc, "req"):
req = exc.req # for access log
elif isinstance(exc, LimitRequestLine):
mesg = "<p>%s</p>" % str(exc)
elif isinstance(exc, LimitRequestHeaders):
mesg = "<p>Error parsing headers: '%s'</p>" % str(exc)
elif isinstance(exc, InvalidProxyLine):
mesg = "<p>'%s'</p>" % str(exc)
elif isinstance(exc, ForbiddenProxyRequest):
reason = "Forbidden"
mesg = "<p>Request forbidden</p>"
status_int = 403
self.log.debug("Invalid request from ip={ip}: {error}"\
"".format(ip=addr[0],
error=str(exc),
)
)
elif isinstance(exc, socket.timeout):
status_int = 408
reason = "Request Timeout"
mesg = "<p>The server timed out handling for the request</p>"
else:
self.log.exception("Error handling request")
status_int = 500
reason = "Internal Server Error"
mesg = ""
if req is not None:
request_time = datetime.now() - request_start
environ = default_environ(req, client, self.cfg)
environ['REMOTE_ADDR'] = addr[0]
environ['REMOTE_PORT'] = str(addr[1])
resp = Response(req, client)
resp.status = "%s %s" % (status_int, reason)
resp.response_length = len(mesg)
self.log.access(resp, req, environ, request_time)
if self.debug:
tb = traceback.format_exc()
mesg += "<h2>Traceback:</h2>\n<pre>%s</pre>" % tb
try:
util.write_error(client, status_int, reason, mesg)
except:
self.log.debug("Failed to send error message.")
def create_environ(req, sock, client, server, cfg):
# set initial environ
environ = default_environ(req, sock, cfg)
# default variables
host = None
script_name = os.environ.get("SCRIPT_NAME", "")
# add the headers to the environ
for hdr_name, hdr_value in req.headers:
if hdr_name == "EXPECT":
# handle expect
if hdr_value.lower() == "100-continue":
sock.send(b"HTTP/1.1 100 Continue\r\n\r\n")
elif hdr_name == 'HOST':
host = hdr_value
elif hdr_name == "SCRIPT_NAME":
script_name = hdr_value
elif hdr_name == "CONTENT-TYPE":
environ['CONTENT_TYPE'] = hdr_value
continue
elif hdr_name == "CONTENT-LENGTH":
environ['CONTENT_LENGTH'] = hdr_value
continue
key = 'HTTP_' + hdr_name.replace('-', '_')
if key in environ:
hdr_value = "%s,%s" % (environ[key], hdr_value)
environ[key] = hdr_value
# set the url scheme
environ['wsgi.url_scheme'] = req.scheme
# set the REMOTE_* keys in environ
# authors should be aware that REMOTE_HOST and REMOTE_ADDR
# may not qualify the remote addr:
# http://www.ietf.org/rfc/rfc3875
if isinstance(client, six.string_types):
environ['REMOTE_ADDR'] = client
elif isinstance(client, six.binary_type):
environ['REMOTE_ADDR'] = client.decode()
else:
environ['REMOTE_ADDR'] = client[0]
environ['REMOTE_PORT'] = str(client[1])
# handle the SERVER_*
# Normally only the application should use the Host header but since the
# WSGI spec doesn't support unix sockets, we are using it to create
# viable SERVER_* if possible.
if isinstance(server, six.string_types):
server = server.split(":")
if len(server) == 1:
# unix socket
if host:
server = host.split(':')
if len(server) == 1:
if req.scheme == "http":
server.append(80)
elif req.scheme == "https":
server.append(443)
else:
server.append('')
else:
# no host header given which means that we are not behind a
# proxy, so append an empty port.
server.append('')
environ['SERVER_NAME'] = server[0]
environ['SERVER_PORT'] = str(server[1])
# set the path and script name
path_info = req.path
if script_name:
path_info = path_info.split(script_name, 1)[1]
environ['PATH_INFO'] = unquote_to_wsgi_str(path_info)
environ['SCRIPT_NAME'] = script_name
# override the environ with the correct remote and server address if
# we are behind a proxy using the proxy protocol.
environ.update(proxy_environ(req))
return environ