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
sql_params += [uuid_list]
end
- if sql_table == "collections" and users_list.any?
- # There is a 'name' link going from a readable group to the collection.
- name_links = "(SELECT head_uuid FROM links WHERE link_class='name' AND tail_uuid IN (#{sanitized_uuid_list}))"
- sql_conds += ["#{sql_table}.uuid IN #{name_links}"]
- end
-
# Link head points to this row, or to the owner of this row (the thing to be read)
#
# Link tail originates from this user, or a group that is readable by this
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 new_record? and respond_to? :owner_uuid=
self.owner_uuid ||= current_user.uuid
end
- # Verify permission to write to old owner (unless owner_uuid was
- # nil -- or hasn't changed, in which case the following
- # "permission to write to new owner" block will take care of us)
+
+ 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, "must be set to User or Group"
+ raise PermissionDeniedError
+ end
+
+ # 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
errors.add :owner_uuid, "cannot be changed without write permission on old owner"
raise PermissionDeniedError
end
- # Verify permission to write to new owner
+
+ # 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