def processFile(self, field):
meta = Metadata(self)
meta.filename = field["filename"].value
meta.creation_date = field["last_mod"].value
meta.compression = field["compression"].display
if "data_desc" in field:
meta.file_size = field["data_desc/file_uncompressed_size"].value
if field["data_desc/file_compressed_size"].value:
meta.compr_size = field["data_desc/file_compressed_size"].value
else:
meta.file_size = field["uncompressed_size"].value
if field["compressed_size"].value:
meta.compr_size = field["compressed_size"].value
computeCompressionRate(meta)
self.addGroup(field.name, meta, "File \"%s\"" % meta.get('filename'))
def processFile(self, field):
meta = Metadata(self)
meta.filename = field["filename"].value
meta.creation_date = field["last_mod"].value
meta.compression = field["compression"].display
if "data_desc" in field:
meta.file_size = field["data_desc/file_uncompressed_size"].value
if field["data_desc/file_compressed_size"].value:
meta.compr_size = field["data_desc/file_compressed_size"].value
else:
meta.file_size = field["uncompressed_size"].value
if field["compressed_size"].value:
meta.compr_size = field["compressed_size"].value
computeCompressionRate(meta)
self.addGroup(field.name, meta, "File \"%s\"" % meta.get('filename'))
def extract(self, rar):
l_max_nb = maxNbFile(self)
l_rarformat = rar["signature"].value
if l_rarformat == b"RE~^":
l_format_version = "1.4"
elif l_rarformat[0:6] == b"Rar!\x1A\x07":
if l_rarformat[6:7] == b"\x00":
l_format_version = "1.5" # RAR 4
elif l_rarformat[6:7] == b"\x01":
l_format_version = "5.0"
elif l_rarformat[6:7] == b"\x02":
l_format_version = "> 5.0"
self.format_version = "RAR version %s" % l_format_version
if l_format_version != "1.5":
self.warning("RAR TODO: unknown format_version \"%s\" " %
l_format_version)
l_has_recovery_record = False
l_has_auth_verification = False
l_has_password = False
l_is_multivolume = False
l_is_solid = False
if rar["/archive_start/flags/has_comment"].value:
self.warning("RAR TODO: comment extraction not implemented")
self.comment = "HACHOIR: comment extraction not implemented"
l_has_recovery_record = rar[
"/archive_start/flags/has_recovery_record"].value
l_has_auth_verification = rar[
"/archive_start/flags/has_auth_information"].value
l_has_password = rar["/archive_start/flags/is_locked"].value
l_is_multivolume = rar["/archive_start/flags/vol"].value
l_is_solid = rar["/archive_start/flags/is_solid"].value
is_first_vol = rar["/archive_start/flags/is_first_vol"].value
for l_index, l_field in enumerate(rar.array("new_sub_block")):
if l_field["filename"].value == "CMT":
self.warning("RAR TODO: comment unpacking not implemented")
self.comment = "HACHOIR: comment unpacking not implemented"
elif l_field["filename"].value == "AV":
l_has_auth_verification = True
elif l_field["filename"].value == "RR":
l_has_recovery_record = True
else:
self.warning("RAR TODO: unknown sub_block \"%s\" " %
l_field["filename"].value)
self.has_recovery_record = l_has_recovery_record
self.has_auth_verification = l_has_auth_verification
self.has_password = l_has_password
self.is_multivolume = l_is_multivolume
self.is_solid = l_is_solid
self.is_first_vol = is_first_vol
for l_index, l_field in enumerate(rar.array("file")):
if l_max_nb is not None and l_max_nb <= l_index:
self.warning(
"RAR archive contains many files, but only first %s files are processed"
% l_max_nb)
break
l_meta = Metadata(self)
l_meta.filename = l_field["filename"].value
l_meta.last_modification = l_field["ftime"].value
l_meta.os = l_field["host_os"].display
l_meta.application_version = l_field["version"].display
l_meta.compression = l_field["method"].display
l_meta.file_size = l_field["uncompressed_size"].value
l_meta.compr_size = l_field["compressed_size"].value
self.addGroup(l_field.name, l_meta,
"File \"%s\"" % l_meta.get('filename'))
