after_update :log_update
after_destroy :log_destroy
after_find :convert_serialized_symbols_to_strings
+ before_validation :normalize_collection_uuids
validate :ensure_serialized_attribute_type
- validate :normalize_collection_uuids
validate :ensure_valid_uuids
# Note: This only returns permission links. It does not account for
self.columns.select { |col| col.name == attr.to_s }.first
end
+ def self.attributes_required_columns
+ # This method returns a hash. Each key is the name of an API attribute,
+ # and it's mapped to a list of database columns that must be fetched
+ # to generate that attribute.
+ # This implementation generates a simple map of attributes to
+ # matching column names. Subclasses can override this method
+ # to specify that method-backed API attributes need to fetch
+ # specific columns from the database.
+ all_columns = columns.map(&:name)
+ api_column_map = Hash.new { |hash, key| hash[key] = [] }
+ methods.grep(/^api_accessible_\w+$/).each do |method_name|
+ next if method_name == :api_accessible_attributes
+ send(method_name).each_pair do |api_attr_name, col_name|
+ col_name = col_name.to_s
+ if all_columns.include?(col_name)
+ api_column_map[api_attr_name.to_s] |= [col_name]
+ end
+ end
+ end
+ api_column_map
+ end
+
# Return nil if current user is not allowed to see the list of
# writers. Otherwise, return a list of user_ and group_uuids with
# write permission. (If not returning nil, current_user is always in
if new_record? or owner_uuid_changed?
uuid_in_path = {owner_uuid => true, uuid => true}
x = owner_uuid
- while (owner_class = self.class.resource_class_for_uuid(x)) != User
+ while (owner_class = ArvadosModel::resource_class_for_uuid(x)) != User
begin
if x == uuid
# Test for cycles with the new version, not the DB contents
def ensure_owner_uuid_is_permitted
raise PermissionDeniedError if !current_user
- if respond_to? :owner_uuid=
+
+ if new_record? and respond_to? :owner_uuid=
self.owner_uuid ||= current_user.uuid
end
- if self.owner_uuid_changed?
- if new_record?
- return true
- elsif current_user.uuid == self.owner_uuid or
- current_user.can? write: self.owner_uuid
- # current_user is, or has :write permission on, the new owner
- else
- logger.warn "User #{current_user.uuid} tried to change owner_uuid of #{self.class.to_s} #{self.uuid} to #{self.owner_uuid} but does not have permission to write to #{self.owner_uuid}"
- raise PermissionDeniedError
- end
+
+ if self.owner_uuid.nil?
+ errors.add :owner_uuid, "cannot be nil"
+ raise PermissionDeniedError
+ end
+
+ rsc_class = ArvadosModel::resource_class_for_uuid owner_uuid
+ unless rsc_class == User or rsc_class == Group
+ errors.add :owner_uuid, "can only be set to User or Group"
+ raise PermissionDeniedError
end
- if new_record?
- return true
- elsif current_user.uuid == self.owner_uuid_was or
+
+ # Verify "write" permission on old owner
+ # default fail unless one of:
+ # owner_uuid did not change
+ # previous owner_uuid is nil
+ # current user is the old owner
+ # current user is this object
+ # current user can_write old owner
+ unless !owner_uuid_changed? or
+ owner_uuid_was.nil? or
+ current_user.uuid == self.owner_uuid_was or
current_user.uuid == self.uuid or
current_user.can? write: self.owner_uuid_was
- # current user is, or has :write permission on, the previous owner
- return true
- else
- logger.warn "User #{current_user.uuid} tried to modify #{self.class.to_s} #{self.uuid} but does not have permission to write #{self.owner_uuid_was}"
+ logger.warn "User #{current_user.uuid} tried to modify #{self.class.to_s} #{uuid} but does not have permission to write old owner_uuid #{owner_uuid_was}"
+ errors.add :owner_uuid, "cannot be changed without write permission on old owner"
raise PermissionDeniedError
end
+
+ # Verify "write" permission on new owner
+ # default fail unless one of:
+ # current_user is this object
+ # current user can_write new owner
+ unless current_user == self or current_user.can? write: owner_uuid
+ logger.warn "User #{current_user.uuid} tried to modify #{self.class.to_s} #{uuid} but does not have permission to write new owner_uuid #{owner_uuid}"
+ errors.add :owner_uuid, "cannot be changed without write permission on new owner"
+ raise PermissionDeniedError
+ end
+
+ true
end
def ensure_permission_to_save
end
end
- @@UUID_REGEX = /^[0-9a-z]{5}-([0-9a-z]{5})-[0-9a-z]{15}$/
-
@@prefixes_hash = nil
def self.uuid_prefixes
unless @@prefixes_hash
end
def ensure_valid_uuids
- specials = [system_user_uuid, 'd41d8cd98f00b204e9800998ecf8427e+0']
+ specials = [system_user_uuid]
foreign_key_attributes.each do |attr|
if new_record? or send (attr + "_changed?")
unless uuid.is_a? String
return nil
end
- if uuid.match /^[0-9a-f]{32}(\+[^,]+)*(,[0-9a-f]{32}(\+[^,]+)*)*$/
- return Collection
- end
resource_class = nil
Rails.application.eager_load!
- uuid.match @@UUID_REGEX do |re|
+ uuid.match HasUuid::UUID_REGEX do |re|
return uuid_prefixes[re[1]] if uuid_prefixes[re[1]]
end
projects / arvados.git / blobdiff