def create_fs(fs_args):
access_token = fs_args['access_token']
cache_folder = fs_args['cache_folder']
sub_create_fs = functools.partial(base_create_fs, access_token, cache_folder)
if safefs_wrap_create_fs is not None:
sub_create_fs = safefs_wrap_create_fs(sub_create_fs, fs_args)
return sub_create_fs()
def _main(argv=None):
if sys.version_info < (3, 5):
print(
"Error: Your version of Python is too old, 3.5+ is required: %d.%d.%d"
% sys.version_info[:3])
return -1
try:
check_runtime_requirements()
except RuntimeError as e:
print("Error: %s" % (e, ))
return -1
# Protect access token and potentially encryption keys
block_tracing()
if argv is None:
argv = sys.argv
parser = argparse.ArgumentParser()
userspacefs.add_cli_arguments(parser)
parser.add_argument("-c", "--config-file", help="config file path")
parser.add_argument(
"-e",
"--encrypted-folder",
dest='encrypted_folders',
type=parse_encrypted_folder_arg,
default=[],
action='append',
help=
"relative paths of encrypted folders, can be used multiple times. requires safefs"
)
parser.add_argument(
"--print-default-config-file",
action='store_true',
help="print default config file path to standard out and quit")
parser.add_argument("mount_point", nargs='?')
args = parser.parse_args(argv[1:])
try:
version = pkg_resources.require("dbxfs")[0].version
except Exception:
log.warning("Failed to get version", exc_info=True)
version = ''
if version:
try:
with urllib.request.urlopen(
"https://pypi.org/pypi/dbxfs/json") as f:
rversion = json.load(io.TextIOWrapper(f))['info']['version']
if rversion != version:
print(
"\033[0;31m\033[1mWarning: dbxfs is out of date (%s vs %s), upgrade with 'pip3 install --upgrade dbxfs'\033[0;0m"
% (rversion, version))
except Exception:
log.warning("Failed to get most recent version", exc_info=True)
config_dir = appdirs.user_config_dir(APP_NAME)
if args.config_file is not None:
config_file = args.config_file
else:
config_file = os.path.join(config_dir, "config.json")
if args.print_default_config_file:
print(config_file)
return 0
try:
os.makedirs(config_dir, exist_ok=True)
except OSError as e:
print("Unable to create configuration directory: %s" % (e, ))
return -1
config = {}
try:
f = open(config_file)
except IOError as e:
if e.errno != errno.ENOENT: raise
else:
try:
with f:
config = json.load(f)
except ValueError as e:
print("Config file %r is not valid json: %s" % (config_file, e))
return -1
mount_point = args.mount_point
if mount_point is None:
mount_point = config.get("mount_point")
if not args.smb_no_mount and mount_point is None:
parser.print_usage()
print("%s: error: please provide the mount_point argument" %
(os.path.basename(argv[0]), ))
return 1
encrypted_folders = config.get("encrypted_folders",
[]) + args.encrypted_folders
if safefs_wrap_create_fs is None and encrypted_folders:
print(
"safefs not installed, can't transparently decrypt encrypted folders"
)
return 1
access_token = None
save_access_token = False
save_config = False
access_token_command = config.get("access_token_command", None)
if access_token_command is not None:
print("Running %r for access token" %
(' '.join(access_token_command), ))
try:
access_token = subprocess.check_output(
access_token_command).decode("utf-8")
except UnicodeDecodeError:
print("Access token command output is not utf-8 encoded")
return -1
except TypeError:
print("Bad access token command: %r, " % (access_token_command, ))
return -1
# NB: access tokens never contain white-space and the access token
# command often accidentally appends a newline character.
access_token = access_token.strip()
if access_token is None:
keyring_user = config.get("keyring_user", None)
if keyring_user is not None:
try:
access_token = keyring.get_password(APP_NAME, keyring_user)
except KeyringError as e:
print("Failed to get access token from keyring: %s" % (e, ))
if access_token is None:
access_token_privy = config.get("access_token_privy", None)
if access_token_privy is not None:
passwd = None
while True:
passwd = getpass.getpass(
"Enter access token passphrase (not your Dropbox password) (Ctrl-C to quit): "
)
try:
access_token = privy.peek(access_token_privy,
passwd).decode('utf-8')
except ValueError:
if not yes_no_input(
"Incorrect password, create new access token?"):
continue
break
del passwd
try_directly = False
while True:
if access_token is None:
save_access_token = True
if (access_token is None and try_directly and yes_no_input(
"Want to try entering the access token directly?")):
print("Go to https://dropbox.com/developers/apps to "
"create an app and generate a personal access token.")
while True:
access_token = getpass.getpass(
"Enter Access token (Ctrl-C to quit): ")
if not access_token:
print("Access tokens cannot be empty")
continue
break
if access_token is None:
auth_flow = dropbox.DropboxOAuth2FlowNoRedirect(
APP_KEY, APP_SECRET)
authorize_url = auth_flow.start()
print("We need an access token. Perform the following steps:")
print("1. Go to " + authorize_url)
print("2. Click \"Allow\" (you may have to log in first)")
print("3. Copy the authorization code.")
while True:
auth_code = input(
"Enter authorization code (Ctrl-C to quit): ")
if not auth_code:
print("Authorization code cannot be empty")
continue
break
try:
oauth_result = auth_flow.finish(auth_code)
except Exception as e:
print("Authorization code was invalid!")
try_directly = True
continue
access_token = oauth_result.access_token
# test out access token
try:
dropbox.Dropbox(access_token).users_get_current_account()
except (dropbox.exceptions.BadInputError, dropbox.exceptions.AuthError,
ValueError) as e:
print("Error using access token: %s" % (e, ))
access_token = None
try_directly = True
except OSError:
if not yes_no_input("Error connecting to Dropbox, Try again?"):
return 1
else:
break
if save_access_token and yes_no_input(
"We're all connected. Do you want to save your credentials for future runs?",
default_yes=True):
keyring_user = ''.join(
[random.choice("asdfghjklzxcvbnmqwertyuiop") for _ in range(24)])
try:
keyring.set_password(APP_NAME, keyring_user, access_token)
except (KeyringError, RuntimeError) as e:
print(
"We need a passphrase to encrypt your access token before we can save it."
)
print(
"Warning: Your access token passphrase must contain enough randomness to be resistent to hacking. You can read this for more info: https://blogs.dropbox.com/tech/2012/04/zxcvbn-realistic-password-strength-estimation/"
)
while True:
pass_ = getpass.getpass("Enter new access token passphrase: ")
pass2_ = getpass.getpass(
"Enter new access token passphrase (again): ")
if pass_ != pass2_:
print("Passphrases didn't match, please re-enter")
else:
del pass2_
break
config.pop('keyring_user', None)
config['access_token_privy'] = privy.hide(
access_token.encode('utf-8'), pass_, server=False)
del pass_
save_config = True
else:
config.pop('access_token_privy', None)
config['keyring_user'] = keyring_user
save_config = True
if not config.get("asked_send_error_reports", False):
if yes_no_input(
"Would you like to help us improve %s by providing anonymous error reports?"
% (APP_NAME, ),
default_yes=True):
config['send_error_reports'] = True
config['asked_send_error_reports'] = True
save_config = True
if save_access_token and yes_no_input(
"Do you want \"%s\" to be the default mount point?" %
(mount_point, ),
default_yes=True):
config['mount_point'] = mount_point
save_config = True
if save_config:
with open(config_file, "w") as f:
json.dump(config, f)
log.info("Starting %s...", APP_NAME)
if config.get('send_error_reports', False):
try:
sentry_sdk.init(
"https://[email protected]/1293235",
release='%s@%s' % (APP_NAME, version),
with_locals=False)
except Exception:
log.warning("Failed to initialize sentry", exc_info=True)
cache_folder = os.path.join(appdirs.user_cache_dir(APP_NAME), "file_cache")
try:
os.makedirs(cache_folder, exist_ok=True)
except OSError:
log.warning(
"Failed to create cache folder, running without file cache")
cache_folder = None
def create_fs():
fs = CachingFileSystem(DropboxFileSystem(access_token),
cache_folder=cache_folder)
# From a purity standpoint the following layer ideally would
# go between the caching fs and dropbox fs, but because the
# contract between those two is highly specialized, just put
# it on top
fs = TranslateIgnoredFilesFileSystem(fs)
if sys.platform == 'darwin':
fs = DisableQuickLookFileSystem(fs)
return fs
if safefs_wrap_create_fs is not None:
create_fs = safefs_wrap_create_fs(create_fs, encrypted_folders)
if not os.path.exists(mount_point):
if yes_no_input(
"Mount point \"%s\" doesn't exist, do you want to create it?" %
(mount_point, ),
default_yes=True):
try:
os.makedirs(mount_point, exist_ok=True)
except OSError as e:
print("Unable to create mount point: %s" % (e, ))
return -1
return userspacefs.simple_main(
mount_point,
"dbxfs",
create_fs,
args,
on_new_process=None if BLOCK_TRACING_INHERITS else block_tracing)
def main(argv=None):
# Protect access token and potentially encryption keys
block_tracing()
if argv is None:
argv = sys.argv
parser = argparse.ArgumentParser()
userspacefs.add_cli_arguments(parser)
parser.add_argument("-c", "--config-file", help="config file path")
parser.add_argument(
"-e",
"--encrypted-folder",
dest='encrypted_folders',
type=parse_encrypted_folder_arg,
default=[],
action='append',
help=
"relative paths of encrypted folders, can be used multiple times. requires safefs"
)
parser.add_argument(
"--print-default-config-file",
action='store_true',
help="print default config file path to standard out and quit")
parser.add_argument("mount_point", nargs='?')
args = parser.parse_args(argv[1:])
config_dir = appdirs.user_config_dir(APP_NAME)
if args.config_file is not None:
config_file = args.config_file
else:
config_file = os.path.join(config_dir, "config.json")
if args.print_default_config_file:
print(config_file)
return 0
if not args.smb_no_mount and args.mount_point is None:
parser.print_usage()
print("%s: error: please provide the mount_point argument" %
(os.path.basename(argv[0]), ))
return 1
os.makedirs(config_dir, exist_ok=True)
config = {}
try:
f = open(config_file)
except IOError as e:
if e.errno != errno.ENOENT: raise
else:
try:
with f:
config = json.load(f)
except ValueError as e:
print("Config file %r is not valid json: %s" % (config_file, e))
return -1
access_token = None
save_access_token = False
save_config = False
access_token_command = config.get("access_token_command", None)
if access_token_command is not None:
print("Running %r for access token" %
(' '.join(access_token_command), ))
try:
access_token = subprocess.check_output(
access_token_command).decode("utf-8")
except TypeError:
print("Bad access token command: %r, " % (access_token_command, ))
return -1
if access_token is None:
keyring_user = config.get("keyring_user", None)
if keyring_user is not None:
try:
access_token = keyring.get_password(APP_NAME, keyring_user)
except KeyringError as e:
print("Failed to get access token from keyring: %s" % (e, ))
if access_token is None:
access_token_privy = config.get("access_token_privy", None)
if access_token_privy is not None:
passwd = None
while True:
passwd = getpass.getpass(
"Enter access token passphrase (not your Dropbox password) (Ctrl-C to quit): "
)
try:
access_token = privy.peek(access_token_privy,
passwd).decode('utf-8')
except ValueError:
if not yes_no_input(
"Incorrect password, create new access token?"):
continue
break
del passwd
try_directly = False
while True:
if access_token is None:
save_access_token = True
if (access_token is None and try_directly and yes_no_input(
"Want to try entering the access token directly?")):
print("Go to https://dropbox.com/developers/apps to "
"create an app and generate a personal access token.")
while True:
access_token = getpass.getpass(
"Enter Access token (Ctrl-C to quit): ")
if not access_token:
print("Access tokens cannot be empty")
continue
break
if access_token is None:
auth_flow = dropbox.DropboxOAuth2FlowNoRedirect(
APP_KEY, APP_SECRET)
authorize_url = auth_flow.start()
print("We need an access token. Perform the following steps:")
print("1. Go to " + authorize_url)
print("2. Click \"Allow\" (you may have to log in first)")
print("3. Copy the authorization code.")
while True:
auth_code = input(
"Enter authoritization code (Ctrl-C to quit): ")
if not auth_code:
print("Authorization code cannot be empty")
continue
break
try:
oauth_result = auth_flow.finish(auth_code)
except Exception as e:
print("Authorization code was invalid!")
try_directly = True
continue
access_token = oauth_result.access_token
# test out access token
try:
dropbox.Dropbox(access_token).users_get_current_account()
except (dropbox.exceptions.BadInputError,
dropbox.exceptions.AuthError) as e:
print("Error using access token: %s" % (e, ))
access_token = None
try_directly = True
else:
break
if save_access_token and yes_no_input(
"We're all connected. Do you want to save your credentials for future runs?",
default_yes=True):
keyring_user = ''.join(
[random.choice("asdfghjklzxcvbnmqwertyuiop") for _ in range(24)])
try:
keyring.set_password(APP_NAME, keyring_user, access_token)
except (KeyringError, RuntimeError) as e:
print(
"We need a passphrase to encrypt your access token before we can save it."
)
print(
"Warning: Your access token passphrase must contain enough randomness to be resistent to hacking. You can read this for more info: https://blogs.dropbox.com/tech/2012/04/zxcvbn-realistic-password-strength-estimation/"
)
while True:
pass_ = getpass.getpass("Enter new access token passphrase: ")
pass2_ = getpass.getpass(
"Enter new access token passphrase (again): ")
if pass_ != pass2_:
print("Passphrases didn't match, please re-enter")
else:
del pass2_
break
config.pop('keyring_user', None)
config['access_token_privy'] = privy.hide(
access_token.encode('utf-8'), pass_, server=False)
del pass_
save_config = True
else:
config.pop('access_token_privy', None)
config['keyring_user'] = keyring_user
save_config = True
if not config.get("asked_send_error_reports", False):
if yes_no_input(
"Would you like to help us improve %s by providing anonymous error reports?"
% (APP_NAME, ),
default_yes=True):
config['send_error_reports'] = True
config['asked_send_error_reports'] = True
save_config = True
if save_config:
with open(config_file, "w") as f:
json.dump(config, f)
log.info("Starting %s...", APP_NAME)
wrap_fs_errors = True
if config.get('send_error_reports', False):
try:
version = pkg_resources.require("dbxfs")[0].version
except Exception:
log.warning("Failed to get version", exc_info=True)
version = ''
try:
sentry_sdk.init(
"https://[email protected]/1293235",
release='%s@%s' % (APP_NAME, version),
with_locals=False)
wrap_fs_errors = True
except Exception:
log.warning("Failed to initialize sentry", exc_info=True)
cache_folder = os.path.join(appdirs.user_cache_dir(APP_NAME), "file_cache")
with contextlib.suppress(FileExistsError):
os.makedirs(cache_folder)
def create_fs():
fs = CachingFileSystem(DropboxFileSystem(access_token),
cache_folder=cache_folder)
if sys.platform == 'darwin':
fs = DisableQuickLookFileSystem(fs)
if wrap_fs_errors:
fs = WrapErrorsFileSystem(fs)
return fs
encrypted_folders = config.get("encrypted_folders",
[]) + args.encrypted_folders
create_fs = safefs_wrap_create_fs(create_fs, encrypted_folders)
if not os.path.exists(args.mount_point):
if yes_no_input(
"Mount point \"%s\" doesn't exist, do you want to create it?" %
(args.mount_point, ),
default_yes=True):
os.makedirs(args.mount_point, exist_ok=True)
return userspacefs.simple_main(args.mount_point, "dbxfs", create_fs, args)