def _update_name(self):
name = decode(self.info.get("name"))
if name and name != decode(self.info.get("url")):
self.pyfile.name = name
else:
name = decode(self.pyfile.name)
self.log_info(self._("Link name: {}").format(name))
def parse_packages(self, start_node):
return [
(
base64.b64decode(decode(node.getAttribute("name"))),
self.parse_links(node),
)
for node in start_node.getElementsByTagName("package")
]
def parse_domains(self, list):
_re = re.compile(
r"^(?:https?://)?(?:www\.)?(?:\w+\.)*((?:(?:\d{1,3}\.){3}\d{1,3}|[\w\-^_]{3,63}(?:\.[a-zA-Z]{2,}){1,2})(?:\:\d+)?)",
re.I | re.U,
)
domains = [
decode(domain).strip().lower() for url in list
for domain in _re.findall(url)
]
return self.replace_domains(uniquify(domains))
def list(self, password=None):
command = "vb" if self.fullpath else "lb"
p = self.call_cmd(command, "-v", self.filename, password=password)
out, err = (r.strip() if r else "" for r in p.communicate())
if "Cannot open" in err:
raise ArchiveError(self._("Cannot open file"))
if err: #: Only log error at this point
self.log_error(err)
result = set()
if not self.fullpath and self.VERSION.startswith("5"):
# NOTE: Unrar 5 always list full path
for filename in decode(out).splitlines():
filename = os.path.join(self.dest,
os.path.basename(filename.strip()))
if os.path.isfile(filename):
result.add(
os.path.join(self.dest, os.path.basename(filename)))
else:
if self.fullpath:
for filename in decode(out).splitlines():
# Unrar fails to list all directories for some archives
filename = filename.strip()
while filename:
fabs = os.path.join(self.dest, filename)
if fabs not in result:
result.add(fabs)
filename = os.path.dirname(filename)
else:
break
else:
for filename in decode(out).splitlines():
result.add(os.path.join(self.dest, filename.strip()))
self.files = list(result)
return self.files
def render_footer(self, line):
"""
prints out the input line with input.
"""
println(line, "")
line += 1
println(line, white(" Input: ") + decode(self.input))
# clear old output
if line < self.last_lowest_line:
for i in range(line + 1, self.last_lowest_line + 1):
println(i, "")
self.last_lowest_line = line
# set cursor to position
print(f"\033[{self.inputline};0H")
def decrypt_file(self, key):
"""
Decrypts and verifies checksum to the file at 'last_download'.
"""
k, iv, meta_mac = MegaCrypto.get_cipher_key(key)
ctr = Cryptodome.Util.Counter.new(
128, initial_value=((iv[0] << 32) + iv[1]) << 64)
cipher = Cryptodome.Cipher.AES.new(MegaCrypto.a32_to_str(k),
Cryptodome.Cipher.AES.MODE_CTR,
counter=ctr)
self.pyfile.set_status("decrypting")
self.pyfile.set_progress(0)
file_crypted = os.fsdecode(self.last_download)
file_decrypted = file_crypted.rsplit(self.FILE_SUFFIX)[0]
try:
f = open(file_crypted, mode="rb")
df = open(file_decrypted, mode="wb")
except IOError as exc:
self.fail(exc)
encrypted_size = os.path.getsize(file_crypted)
checksum_activated = self.config.get("enabled",
default=False,
plugin="Checksum")
check_checksum = self.config.get("check_checksum",
default=True,
plugin="Checksum")
cbc_mac = (MegaCrypto.Checksum(key)
if checksum_activated and check_checksum else None)
progress = 0
for chunk_start, chunk_size in MegaCrypto.get_chunks(encrypted_size):
buf = f.read(chunk_size)
if not buf:
break
chunk = cipher.decrypt(buf)
df.write(chunk)
progress += chunk_size
self.pyfile.set_progress((100 // encrypted_size) * progress)
if checksum_activated and check_checksum:
cbc_mac.update(chunk)
self.pyfile.set_progress(100)
f.close()
df.close()
self.log_info(self._("File decrypted"))
os.remove(file_crypted)
if checksum_activated and check_checksum:
file_mac = cbc_mac.digest()
if file_mac == meta_mac:
self.log_info(
self.
_('File integrity of "{}" verified by CBC-MAC checksum ({})'
).format(
self.pyfile.name.rsplit(self.FILE_SUFFIX)[0],
meta_mac))
else:
self.log_warning(
self.
_('CBC-MAC checksum for file "{}" does not match ({} != {})'
).format(
self.pyfile.name.rsplit(self.FILE_SUFFIX)[0],
file_mac, meta_mac))
self.checksum_failed(file_decrypted,
self._("Checksums do not match"))
self.last_download = decode(file_decrypted)