def parse(self, filepath: str, filename: str = "") -> Cert:
"""
:param filepath: path of the CERT file
:param filename: name of the CERT file
:return: the parsed CERT file
:raise: FileParsingError if cannot parse the file
:raise: CertParsingError if cannot parse the file as a CERT
"""
self.logger.debug(
"Parsing CERT file: filepath=\"%s\", filename=\"%s\"", filepath,
filename)
file = FileParser(self.logger).parse(filepath, filename)
raw = self.parse_cert(filepath)
return Cert(filename=file.get_file_name(),
size=file.get_size(),
md5hash=file.get_md5(),
sha1hash=file.get_sha1(),
sha256hash=file.get_sha256(),
sha512hash=file.get_sha512(),
serial_number=self.__parse_string(
raw, pattern=r"^Serial number: (.*)$"),
validity=self.parse_validity(raw),
fingerprint=self.parse_fingerprint(raw),
owner=self.parse_participant(raw,
pattern=r"^Owner: (.*)$"),
issuer=self.parse_participant(raw,
pattern=r"^Issuer: (.*)$"))
def parse(self, filepath: str, filename: str) -> Dex:
"""
:param filepath: path of the dex file
:param filename: name of the dex file
:return: the parsed dex file
:raise: FileParsingError if cannot parse the file
"""
self.logger.debug("Parsing dex file: filepath=\"%s\", filename=\"%s\"",
filepath, filename)
file = FileParser(self.logger).parse(filepath, filename)
self.logger.debug("Extracting strings...")
strings = self.parse_strings(filepath)
self.logger.debug("Strings extracted: %d", len(strings))
self.logger.debug("Extracting URLs...")
urls = self.parse_signatures(signature=UriSignature(),
strings=strings,
min_string_len=6)
self.logger.debug("URLs extracted: %s ", len(urls))
self.logger.debug("Extracting shell commands...")
shell_commands = self.parse_signatures(signature=ShellSignature(),
strings=strings)
self.logger.debug("Shell commands extracted: %s", len(shell_commands))
# TODO: improve custom signatures parsing performance (commented in the meanwhile because far too slow)
# self.logger.debug("Extracting custom signatures...")
custom_signatures = [
] # self.extract_signatures(signature=Signature(), strings=self._strings)
# self.logger.debug("Custom signatures extracted: %s", len(custom_signatures))
return Dex(
filename=file.get_file_name(),
size=file.get_size(),
md5hash=file.get_md5(),
sha1hash=file.get_sha1(),
sha256hash=file.get_sha256(),
sha512hash=file.get_sha512(),
strings=strings,
urls=urls,
shell_commands=shell_commands,
custom_signatures=custom_signatures,
)