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79 lines
3.2 KiB
Python
79 lines
3.2 KiB
Python
#! /usr/bin/env python
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import sys
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from zipfile import ZipFile
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class ApkDiff:
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IGNORE_FILES = ["META-INF/CERT.RSA", "META-INF/CERT.SF", "META-INF/MANIFEST.MF"]
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def compare(self, sourceApk, destinationApk):
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sourceZip = ZipFile(sourceApk, 'r')
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destinationZip = ZipFile(destinationApk, 'r')
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if self.compareManifests(sourceZip, destinationZip) and self.compareEntries(sourceZip, destinationZip) == True:
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print "APKs match!"
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else:
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print "APKs don't match!"
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def compareManifests(self, sourceZip, destinationZip):
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sourceEntrySortedList = sorted(sourceZip.namelist())
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destinationEntrySortedList = sorted(destinationZip.namelist())
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for ignoreFile in self.IGNORE_FILES:
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while ignoreFile in sourceEntrySortedList: sourceEntrySortedList.remove(ignoreFile)
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while ignoreFile in destinationEntrySortedList: destinationEntrySortedList.remove(ignoreFile)
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if len(sourceEntrySortedList) != len(destinationEntrySortedList):
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print "Manifest lengths differ!"
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for (sourceEntryName, destinationEntryName) in zip(sourceEntrySortedList, destinationEntrySortedList):
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if sourceEntryName != destinationEntryName:
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print "Sorted manifests don't match, %s vs %s" % (sourceEntryName, destinationEntryName)
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return False
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return True
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def compareEntries(self, sourceZip, destinationZip):
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sourceInfoList = filter(lambda sourceInfo: sourceInfo.filename not in self.IGNORE_FILES, sourceZip.infolist())
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destinationInfoList = filter(lambda destinationInfo: destinationInfo.filename not in self.IGNORE_FILES, destinationZip.infolist())
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if len(sourceInfoList) != len(destinationInfoList):
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print "APK info lists of different length!"
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return False
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for sourceEntryInfo in sourceInfoList:
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for destinationEntryInfo in list(destinationInfoList):
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if sourceEntryInfo.filename == destinationEntryInfo.filename:
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sourceEntry = sourceZip.open(sourceEntryInfo, 'r')
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destinationEntry = destinationZip.open(destinationEntryInfo, 'r')
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if self.compareFiles(sourceEntry, destinationEntry) != True:
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print "APK entry %s does not match %s!" % (sourceEntryInfo.filename, destinationEntryInfo.filename)
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return False
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destinationInfoList.remove(destinationEntryInfo)
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break
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return True
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def compareFiles(self, sourceFile, destinationFile):
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sourceChunk = sourceFile.read(1024)
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destinationChunk = destinationFile.read(1024)
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while sourceChunk != "" or destinationChunk != "":
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if sourceChunk != destinationChunk:
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return False
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sourceChunk = sourceFile.read(1024)
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destinationChunk = destinationFile.read(1024)
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return True
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if __name__ == '__main__':
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if len(sys.argv) != 3:
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print "Usage: apkdiff <pathToFirstApk> <pathToSecondApk>"
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sys.exit(1)
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ApkDiff().compare(sys.argv[1], sys.argv[2])
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