def rar_contains_unwanted_file(filepath):
# checks for unwanted extensions in the rar file 'filepath'
# ... unwanted extensions are defined in global variable cfg.unwanted_extensions()
# returns False if no unwanted extensions are found in the rar file
# returns name of file if unwanted extension is found in the rar file
unwanted = None
if cfg.unwanted_extensions() and is_rarfile(filepath):
# logging.debug('rar file to check: %s',filepath)
# logging.debug('unwanted extensions are: %s', cfg.unwanted_extensions())
try:
zf = RarFile(filepath, all_names=True)
# logging.debug('files in rar file: %s', zf.namelist())
for somefile in zf.namelist():
logging.debug("file in rar file: %s", somefile)
if os.path.splitext(somefile)[1].replace(".", "").lower() in cfg.unwanted_extensions():
logging.debug("Unwanted file %s", somefile)
unwanted = somefile
zf.close()
except:
logging.debug("RAR file %s cannot be inspected.", filepath)
return unwanted
def rar_contains_unwanted_file(filepath):
# checks for unwanted extensions in the rar file 'filepath'
# ... unwanted extensions are defined in global variable cfg.unwanted_extensions()
# returns False if no unwanted extensions are found in the rar file
# returns name of file if unwanted extension is found in the rar file
unwanted = None
if cfg.unwanted_extensions() and is_rarfile(filepath):
# logging.debug('rar file to check: %s',filepath)
# logging.debug('unwanted extensions are: %s', cfg.unwanted_extensions())
try:
zf = RarFile(filepath, all_names=True)
# logging.debug('files in rar file: %s', zf.namelist())
for somefile in zf.namelist():
logging.debug('file in rar file: %s', somefile)
if os.path.splitext(somefile)[1].replace(
'.', '').lower() in cfg.unwanted_extensions():
logging.debug('Unwanted file %s', somefile)
unwanted = somefile
zf.close()
except:
logging.debug('RAR file %s cannot be inspected.', filepath)
return unwanted
def check_encrypted_and_unwanted_files(nzo, filepath):
""" Combines check for unwanted and encrypted files to save on CPU and IO """
encrypted = False
unwanted = None
if (cfg.unwanted_extensions() and cfg.action_on_unwanted_extensions()) or (
nzo.encrypted == 0 and cfg.pause_on_pwrar()):
# These checks should not break the assembler
try:
# Rarfile freezes on Windows special names, so don't try those!
if sabnzbd.WIN32 and has_win_device(filepath):
return encrypted, unwanted
# Is it even a rarfile?
if rarfile.is_rarfile(filepath):
# Open the rar
rarfile.UNRAR_TOOL = sabnzbd.newsunpack.RAR_COMMAND
zf = rarfile.RarFile(filepath, all_names=True)
# Check for encryption
if nzo.encrypted == 0 and cfg.pause_on_pwrar() and (
zf.needs_password()
or is_cloaked(nzo, filepath, zf.namelist())):
# Load all passwords
passwords = get_all_passwords(nzo)
# Cloaked job?
if is_cloaked(nzo, filepath, zf.namelist()):
encrypted = True
elif not sabnzbd.HAVE_CRYPTOGRAPHY and not passwords:
# if no cryptography installed, only error when no password was set
logging.info(T('%s missing'), 'Python Cryptography')
nzo.encrypted = 1
encrypted = True
elif sabnzbd.HAVE_CRYPTOGRAPHY:
# Lets test if any of the password work
password_hit = False
for password in passwords:
if password:
logging.info(
'Trying password "%s" on job "%s"',
password, nzo.final_name)
try:
zf.setpassword(password)
except:
# On weird passwords the setpassword() will fail
# but the actual rartest() will work
pass
try:
zf.testrar()
password_hit = password
break
except rarfile.RarCRCError:
# On CRC error we can continue!
password_hit = password
break
except Exception as e:
# Did we start from the right volume?
if 'need to start extraction from a previous volume' in e[
0]:
return encrypted, unwanted
# This one failed
pass
# Did any work?
if password_hit:
# We always trust the user's input
if not nzo.password:
nzo.password = password_hit
# Don't check other files
logging.info('Password "%s" matches for job "%s"',
password_hit, nzo.final_name)
nzo.encrypted = -1
encrypted = False
else:
# Encrypted and none of them worked
nzo.encrypted = 1
encrypted = True
else:
# Don't check other files
nzo.encrypted = -1
encrypted = False
# Check for unwanted extensions
if cfg.unwanted_extensions(
) and cfg.action_on_unwanted_extensions():
for somefile in zf.namelist():
logging.debug('File contains: %s', somefile)
if get_ext(somefile).replace(
'.', '').lower() in cfg.unwanted_extensions():
logging.debug('Unwanted file %s', somefile)
unwanted = somefile
zf.close()
del zf
except:
logging.info('Error during inspection of RAR-file %s', filepath)
logging.debug('Traceback: ', exc_info=True)
return encrypted, unwanted
def check_encrypted_and_unwanted_files(nzo: NzbObject, filepath: str) -> Tuple[bool, Optional[str]]:
""" Combines check for unwanted and encrypted files to save on CPU and IO """
encrypted = False
unwanted = None
if (cfg.unwanted_extensions() and cfg.action_on_unwanted_extensions()) or (
nzo.encrypted == 0 and cfg.pause_on_pwrar()
):
# These checks should not break the assembler
try:
# Rarfile freezes on Windows special names, so don't try those!
if sabnzbd.WIN32 and has_win_device(filepath):
return encrypted, unwanted
# Is it even a rarfile?
if rarfile.is_rarfile(filepath):
# Open the rar
rarfile.UNRAR_TOOL = sabnzbd.newsunpack.RAR_COMMAND
zf = rarfile.RarFile(filepath, single_file_check=True)
# Check for encryption
if (
nzo.encrypted == 0
and cfg.pause_on_pwrar()
and (zf.needs_password() or is_cloaked(nzo, filepath, zf.namelist()))
):
# Load all passwords
passwords = get_all_passwords(nzo)
# Cloaked job?
if is_cloaked(nzo, filepath, zf.namelist()):
encrypted = True
elif not passwords:
# Only error when no password was set
nzo.encrypted = 1
encrypted = True
else:
# Lets test if any of the password work
password_hit = False
for password in passwords:
if password:
logging.info('Trying password "%s" on job "%s"', password, nzo.final_name)
try:
zf.setpassword(password)
except rarfile.Error:
# On weird passwords the setpassword() will fail
# but the actual testrar() will work
pass
try:
zf.testrar()
password_hit = password
break
except rarfile.RarWrongPassword:
# This one really didn't work
pass
except rarfile.RarCRCError as e:
# CRC errors can be thrown for wrong password or
# missing the next volume (with correct password)
if "cannot find volume" in str(e).lower():
# We assume this one worked!
password_hit = password
break
# This one didn't work
pass
except:
# All the other errors we skip, they might be fixable in post-proc.
# For example starting from the wrong volume, or damaged files
# This will cause the check to be performed again for the next rar, might
# be disk-intensive! Could be removed later and just accept the password.
return encrypted, unwanted
# Did any work?
if password_hit:
# We always trust the user's input
if not nzo.password:
nzo.password = password_hit
# Don't check other files
logging.info('Password "%s" matches for job "%s"', password_hit, nzo.final_name)
nzo.encrypted = -1
encrypted = False
else:
# Encrypted and none of them worked
nzo.encrypted = 1
encrypted = True
# Check for unwanted extensions
if cfg.unwanted_extensions() and cfg.action_on_unwanted_extensions():
for somefile in zf.namelist():
logging.debug("File contains: %s", somefile)
if get_ext(somefile).replace(".", "").lower() in cfg.unwanted_extensions():
logging.debug("Unwanted file %s", somefile)
unwanted = somefile
zf.close()
del zf
except:
logging.info("Error during inspection of RAR-file %s", filepath)
logging.debug("Traceback: ", exc_info=True)
return encrypted, unwanted
def check_encrypted_and_unwanted_files(nzo, filepath):
""" Combines check for unwanted and encrypted files to save on CPU and IO """
encrypted = False
unwanted = None
if (cfg.unwanted_extensions() and cfg.action_on_unwanted_extensions()) or (nzo.encrypted == 0 and cfg.pause_on_pwrar()):
# These checks should not break the assembler
try:
# Rarfile freezes on Windows special names, so don't try those!
if sabnzbd.WIN32 and has_win_device(filepath):
return encrypted, unwanted
# Is it even a rarfile?
if rarfile.is_rarfile(filepath):
# Open the rar
rarfile.UNRAR_TOOL = sabnzbd.newsunpack.RAR_COMMAND
zf = rarfile.RarFile(filepath, all_names=True)
# Check for encryption
if nzo.encrypted == 0 and cfg.pause_on_pwrar() and (zf.needs_password() or is_cloaked(nzo, filepath, zf.namelist())):
# Load all passwords
passwords = get_all_passwords(nzo)
# Cloaked job?
if is_cloaked(nzo, filepath, zf.namelist()):
encrypted = True
elif not sabnzbd.HAVE_CRYPTOGRAPHY and not passwords:
# if no cryptography installed, only error when no password was set
logging.info(T('%s missing'), 'Python Cryptography')
nzo.encrypted = 1
encrypted = True
elif sabnzbd.HAVE_CRYPTOGRAPHY:
# Lets test if any of the password work
password_hit = False
for password in passwords:
if password:
logging.info('Trying password "%s" on job "%s"', password, nzo.final_name)
try:
zf.setpassword(password)
except:
# On weird passwords the setpassword() will fail
# but the actual rartest() will work
pass
try:
zf.testrar()
password_hit = password
break
except rarfile.RarCRCError:
# On CRC error we can continue!
password_hit = password
break
except Exception as e:
# Did we start from the right volume?
if 'need to start extraction from a previous volume' in e[0]:
return encrypted, unwanted
# This one failed
pass
# Did any work?
if password_hit:
# Don't check other files
logging.info('Password "%s" matches for job "%s"', password_hit, nzo.final_name)
nzo.encrypted = -1
encrypted = False
else:
# Encrypted and none of them worked
nzo.encrypted = 1
encrypted = True
else:
# Don't check other files
nzo.encrypted = -1
encrypted = False
# Check for unwanted extensions
if cfg.unwanted_extensions() and cfg.action_on_unwanted_extensions():
for somefile in zf.namelist():
logging.debug('File contains: %s', somefile)
if os.path.splitext(somefile)[1].replace('.', '').lower() in cfg.unwanted_extensions():
logging.debug('Unwanted file %s', somefile)
unwanted = somefile
zf.close()
del zf
except:
logging.info('Error during inspection of RAR-file %s', filepath, exc_info=True)
return encrypted, unwanted
def check_encrypted_and_unwanted_files(nzo, filepath):
""" Combines check for unwanted and encrypted files to save on CPU and IO """
encrypted = False
unwanted = None
if cfg.unwanted_extensions() or (nzo.encrypted == 0 and cfg.pause_on_pwrar()):
# Safe-format for Windows
# RarFile requires de-unicoded filenames for zf.testrar()
filepath_split = os.path.split(filepath)
workdir_short = short_path(filepath_split[0])
filepath = deunicode(os.path.join(workdir_short, filepath_split[1]))
# Is it even a rarfile?
if rarfile.is_rarfile(filepath):
try:
zf = rarfile.RarFile(filepath, all_names=True)
# Check for encryption
if nzo.encrypted == 0 and cfg.pause_on_pwrar() and (zf.needs_password() or is_cloaked(filepath, zf.namelist())):
# Load all passwords
passwords = get_all_passwords(nzo)
# if no cryptography installed, only error when no password was set
if not sabnzbd.HAVE_CRYPTOGRAPHY and not passwords:
logging.info(T('%s missing'), 'Python Cryptography')
nzo.encrypted = 1
encrypted = True
elif sabnzbd.HAVE_CRYPTOGRAPHY:
# Lets test if any of the password work
password_hit = False
rarfile.UNRAR_TOOL = sabnzbd.newsunpack.RAR_COMMAND
for password in passwords:
if password:
logging.info('Trying password "%s" on job "%s"', password, nzo.final_name)
try:
zf.setpassword(password)
zf.testrar()
password_hit = password
break
except rarfile.RarCRCError:
# On CRC error we can continue!
password_hit = password
break
except:
pass
# Did any work?
if password_hit:
# Don't check other files
logging.info('Password "%s" matches for job "%s"', password_hit, nzo.final_name)
nzo.encrypted = -1
encrypted = False
else:
# Encrypted and none of them worked
nzo.encrypted = 1
encrypted = True
else:
# Don't check other files
nzo.encrypted = -1
encrypted = False
# Check for unwanted extensions
if cfg.unwanted_extensions():
for somefile in zf.namelist():
logging.debug('File contains: %s', somefile)
if os.path.splitext(somefile)[1].replace('.', '').lower() in cfg.unwanted_extensions():
logging.debug('Unwanted file %s', somefile)
unwanted = somefile
zf.close()
zf.close()
del zf
except:
logging.debug('RAR file %s cannot be inspected', filepath)
return encrypted, unwanted
