62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
import re
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def replaceRequest(payload):
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challenge_blob = getChallenge('blob')
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challengeB64 = getChallenge('b64')
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challengeArr = str(getChallenge('list'))
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# Trying decode payload, challenge might be raw bytes if it failed
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try:
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decodedPayload = payload.decode()
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except:
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return challenge_blob
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# Challenge might be JSON/XML stored B64-encoded string
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replaced = decodedPayload.replace(r"(?<=(\"|\'|>))CAES.*?(?=(\"|\'|<))", challengeB64).replace(r"(?<=(\"|\'|>))CAQ=(?=(\"|\'|<))", challengeB64)
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if(decodedPayload != replaced):
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return replaced
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# Challenge might be raw B64-encoded string
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replaced = decodedPayload.replace(r"^CAES.*?=$", challengeB64).replace(r"^CAQ=$", challengeB64)
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if(decodedPayload != replaced):
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return replaced
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# Challenge might be Uint8Array
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replaced = decodedPayload.replace(r"\[0?8 ?, ?0?1 ?, ?[0-9 ,]*?\]", challengeArr).replace(r"\[0?8 ?, ?0?4]", challengeArr)
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if(decodedPayload != replaced):
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return replaced
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def findLicense(response):
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# Trying decode response, license might be raw bytes if it failed
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try:
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decodedResponse = response.decode()
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except:
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return response
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# License might be JSON/XML stored B64-encoded string
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try:
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return re.search(r"(?<=(\"|\'|>))CAIS.*?(?=(\"|\'|<))", decodedResponse).group()
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except:
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pass
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# License might be raw B64-encoded string
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try:
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return re.search(r"^CAIS.*?=$", decodedResponse).group()
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except:
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pass
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# License might be Uint8Array
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try:
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foundStr = re.search(r"\[0?8 ?, ?0?2 ?, ?[0-9 ,]*?\]", decodedResponse).group()
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return bytes(json.loads(foundStr))
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except:
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pass
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payload = loadBody("blob")
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payload = replaceRequest(payload)
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response = await corsFetch(licUrl, "POST", licHeaders, payload, "blob")
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licence = findLicense(response)
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