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Diffstat (limited to 'mitmproxy/libmproxy/contrib/wbxml/ASWBXMLByteQueue.py')
-rw-r--r-- | mitmproxy/libmproxy/contrib/wbxml/ASWBXMLByteQueue.py | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/mitmproxy/libmproxy/contrib/wbxml/ASWBXMLByteQueue.py b/mitmproxy/libmproxy/contrib/wbxml/ASWBXMLByteQueue.py new file mode 100644 index 00000000..c7a9e0a5 --- /dev/null +++ b/mitmproxy/libmproxy/contrib/wbxml/ASWBXMLByteQueue.py @@ -0,0 +1,103 @@ +#!/usr/bin/env python +''' +@author: David Shaw, david.shaw.aw@gmail.com + +Inspired by EAS Inspector for Fiddler +https://easinspectorforfiddler.codeplex.com + +----- The MIT License (MIT) ----- +Filename: ASWBXMLByteQueue.py +Copyright (c) 2014, David P. Shaw + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +''' +from Queue import Queue +import logging + +class ASWBXMLByteQueue(Queue): + + def __init__(self, wbxmlBytes): + + self.bytesDequeued = 0 + self.bytesEnqueued = 0 + + Queue.__init__(self) + + for byte in wbxmlBytes: + self.put(ord(byte)) + self.bytesEnqueued += 1 + + + logging.debug("Array byte count: %d, enqueued: %d" % (self.qsize(), self.bytesEnqueued)) + + """ + Created to debug the dequeueing of bytes + """ + def dequeueAndLog(self): + singleByte = self.get() + self.bytesDequeued += 1 + logging.debug("Dequeued byte 0x{0:X} ({1} total)".format(singleByte, self.bytesDequeued)) + return singleByte + + """ + Return true if the continuation bit is set in the byte + """ + def checkContinuationBit(self, byteval): + continuationBitmask = 0x80 + return (continuationBitmask & byteval) != 0 + + def dequeueMultibyteInt(self): + iReturn = 0 + singleByte = 0xFF + + while True: + iReturn <<= 7 + if (self.qsize() == 0): + break + else: + singleByte = self.dequeueAndLog() + iReturn += int(singleByte & 0x7F) + if not self.checkContinuationBit(singleByte): + return iReturn + + def dequeueString(self, length=None): + if ( length != None): + currentByte = 0x00 + strReturn = "" + for i in range(0, length): + # TODO: Improve this handling. We are technically UTF-8, meaning + # that characters could be more than one byte long. This will fail if we have + # characters outside of the US-ASCII range + if ( self.qsize() == 0 ): + break + currentByte = self.dequeueAndLog() + strReturn += chr(currentByte) + + else: + currentByte = 0x00 + strReturn = "" + while True: + currentByte = self.dequeueAndLog() + if (currentByte != 0x00): + strReturn += chr(currentByte) + else: + break + + return strReturn + |