def _validate_permission(self, permission):
""" Validate :permission: has allowed value.
Valid permission is name of one of nefertari view methods or 'all'.
:param permission: String representing ACL permission name.
"""
valid_perms = set(self.PERMISSIONS.values())
valid_perms.update(NEF_PERMISSIONS.values())
if permission not in valid_perms:
err = 'Invalid ACL permission value: {}. Valid values are: {}'
raise ValueError(err.format(permission, ', '.join(valid_perms)))
def validate_permissions(perms):
""" Validate :perms: contains valid permissions.
:param perms: List of permission names or ALL_PERMISSIONS.
"""
if not isinstance(perms, (list, tuple)):
perms = [perms]
valid_perms = set(PERMISSIONS.values())
if ALL_PERMISSIONS in perms:
return perms
if set(perms) - valid_perms:
raise ValueError('Invalid ACL permission names. Valid permissions '
'are: {}'.format(', '.join(valid_perms)))
return perms
def validate_permissions(perms):
""" Validate :perms: contains valid permissions.
:param perms: List of permission names or ALL_PERMISSIONS.
"""
if not isinstance(perms, (list, tuple)):
perms = [perms]
valid_perms = set(PERMISSIONS.values())
if ALL_PERMISSIONS in perms:
return perms
if set(perms) - valid_perms:
raise ValueError(
'Invalid ACL permission names. Valid permissions '
'are: {}'.format(', '.join(valid_perms)))
return perms
def parse_permissions(perms):
""" Parse permissions ("perms") which are either exact permission
names or the keyword 'all'.
:param perms: List or comma-separated string of nefertari permission
names, or 'all'
"""
if isinstance(perms, six.string_types):
perms = perms.split(',')
perms = [perm.strip().lower() for perm in perms]
if 'all' in perms:
return ALL_PERMISSIONS
else:
valid_perms = set(PERMISSIONS.values())
if set(perms) - valid_perms:
raise ValueError(
'Invalid ACL permission names. Valid permissions '
'are: {}'.format(', '.join(valid_perms)))
return perms
