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Fixed #12: Crash on receiving high byte in path
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parent
81d99a34d3
commit
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@ -3,6 +3,7 @@ from __future__ import unicode_literals
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import logging
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import logging
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import six
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import six
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import time
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import time
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import traceback
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from six.moves.urllib_parse import unquote
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from six.moves.urllib_parse import unquote
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from twisted.protocols.policies import ProtocolWrapper
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from twisted.protocols.policies import ProtocolWrapper
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@ -53,11 +54,26 @@ class WebRequest(http.Request):
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self._got_response_start = False
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self._got_response_start = False
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def process(self):
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def process(self):
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try:
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self.request_start = time.time()
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self.request_start = time.time()
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# Get upgrade header
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# Get upgrade header
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upgrade_header = None
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upgrade_header = None
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if self.requestHeaders.hasHeader(b"Upgrade"):
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if self.requestHeaders.hasHeader(b"Upgrade"):
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upgrade_header = self.requestHeaders.getRawHeaders(b"Upgrade")[0]
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upgrade_header = self.requestHeaders.getRawHeaders(b"Upgrade")[0]
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# Get client address if possible
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if hasattr(self.client, "host") and hasattr(self.client, "port"):
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self.client_addr = [self.client.host, self.client.port]
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self.server_addr = [self.host.host, self.host.port]
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else:
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self.client_addr = None
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self.server_addr = None
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# Check for unicodeish path (or it'll crash when trying to parse)
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try:
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self.path.decode("ascii")
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except UnicodeDecodeError:
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self.path = b"/"
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self.basic_error(400, b"Bad Request", "Invalid characters in path")
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return
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# Calculate query string
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# Calculate query string
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self.query_string = b""
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self.query_string = b""
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if b"?" in self.uri:
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if b"?" in self.uri:
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@ -103,13 +119,6 @@ class WebRequest(http.Request):
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self.clean_headers.append((name.lower(), value))
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self.clean_headers.append((name.lower(), value))
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logger.debug("HTTP %s request for %s", self.method, self.reply_channel)
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logger.debug("HTTP %s request for %s", self.method, self.reply_channel)
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self.content.seek(0, 0)
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self.content.seek(0, 0)
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# Get client address if possible
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if hasattr(self.client, "host") and hasattr(self.client, "port"):
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self.client_addr = [self.client.host, self.client.port]
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self.server_addr = [self.host.host, self.host.port]
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else:
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self.client_addr = None
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self.server_addr = None
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# Send message
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# Send message
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try:
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try:
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self.factory.channel_layer.send("http.request", {
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self.factory.channel_layer.send("http.request", {
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@ -128,6 +137,9 @@ class WebRequest(http.Request):
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except self.factory.channel_layer.ChannelFull:
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except self.factory.channel_layer.ChannelFull:
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# Channel is too full; reject request with 503
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# Channel is too full; reject request with 503
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self.basic_error(503, b"Service Unavailable", "Request queue full.")
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self.basic_error(503, b"Service Unavailable", "Request queue full.")
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except Exception as e:
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logger.error(traceback.format_exc())
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self.basic_error(500, b"Internal Server Error", "HTTP processing error")
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@classmethod
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@classmethod
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def unquote(cls, value):
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def unquote(cls, value):
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@ -195,6 +207,7 @@ class WebRequest(http.Request):
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if not message.get("more_content", False):
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if not message.get("more_content", False):
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self.finish()
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self.finish()
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logger.debug("HTTP response complete for %s", self.reply_channel)
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logger.debug("HTTP response complete for %s", self.reply_channel)
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try:
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self.factory.log_action("http", "complete", {
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self.factory.log_action("http", "complete", {
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"path": self.path.decode("ascii"),
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"path": self.path.decode("ascii"),
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"status": self.code,
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"status": self.code,
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@ -203,6 +216,8 @@ class WebRequest(http.Request):
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"time_taken": self.duration(),
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"time_taken": self.duration(),
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"size": self.sentLength,
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"size": self.sentLength,
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})
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})
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except Exception as e:
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logging.error(traceback.format_exc())
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else:
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else:
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logger.debug("HTTP response chunk for %s", self.reply_channel)
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logger.debug("HTTP response chunk for %s", self.reply_channel)
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