1 # Copyright (C) The Arvados Authors. All rights reserved.
3 # SPDX-License-Identifier: AGPL-3.0
5 require 'can_be_an_owner'
8 class Group < ArvadosModel
11 include CommonApiTemplate
15 # Posgresql JSONB columns should NOT be declared as serialized, Rails 5
16 # already know how to properly treat them.
17 attribute :properties, :jsonbHash, default: {}
19 validate :ensure_filesystem_compatible_name
20 validate :check_group_class
21 validate :check_filter_group_filters
22 validate :check_frozen_state_change_allowed
23 before_create :assign_name
24 after_create :after_ownership_change
25 after_create :update_trash
26 after_create :update_frozen
28 before_update :before_ownership_change
29 after_update :after_ownership_change
31 after_create :add_role_manage_link
33 after_update :update_trash
34 after_update :update_frozen
35 before_destroy :clear_permissions_trash_frozen
37 api_accessible :user, extend: :common do |t|
51 def ensure_filesystem_compatible_name
52 # project and filter groups need filesystem-compatible names, but others
54 super if group_class == 'project' || group_class == 'filter'
58 if group_class != 'project' && group_class != 'role' && group_class != 'filter'
59 errors.add :group_class, "value must be one of 'project', 'role' or 'filter', was '#{group_class}'"
61 if group_class_changed? && !group_class_was.nil?
62 errors.add :group_class, "cannot be modified after record is created"
66 def check_filter_group_filters
67 if group_class == 'filter'
68 if !self.properties.key?("filters")
69 errors.add :properties, "filters property missing, it must be an array of arrays, each with 3 elements"
72 if !self.properties["filters"].is_a?(Array)
73 errors.add :properties, "filters property must be an array of arrays, each with 3 elements"
76 self.properties["filters"].each do |filter|
77 if !filter.is_a?(Array)
78 errors.add :properties, "filters property must be an array of arrays, each with 3 elements"
81 if filter.length() != 3
82 errors.add :properties, "filters property must be an array of arrays, each with 3 elements"
85 if !filter[0].include?(".") and filter[0].downcase != "uuid"
86 errors.add :properties, "filter attribute must be 'uuid' or contain a dot (e.g. groups.name)"
89 if (filter[0].downcase != "uuid" and filter[1].downcase == "is_a")
90 errors.add :properties, "when filter operator is 'is_a', attribute must be 'uuid'"
93 if ! ["=","<","<=",">",">=","!=","like","ilike","in","not in","is_a","exists","contains"].include?(filter[1].downcase)
94 errors.add :properties, "filter operator is not valid (must be =,<,<=,>,>=,!=,like,ilike,in,not in,is_a,exists,contains)"
101 def check_frozen_state_change_allowed
102 if frozen_by_uuid == ""
103 self.frozen_by_uuid = nil
105 if frozen_by_uuid_changed? || (new_record? && frozen_by_uuid)
106 if group_class != "project"
107 errors.add(:frozen_by_uuid, "cannot be modified on a non-project group")
110 if frozen_by_uuid_was && Rails.configuration.API.UnfreezeProjectRequiresAdmin && !current_user.is_admin
111 errors.add(:frozen_by_uuid, "can only be changed by an admin user, once set")
114 if frozen_by_uuid && frozen_by_uuid != current_user.uuid
115 errors.add(:frozen_by_uuid, "can only be set to the current user's UUID")
118 if !new_record? && !current_user.can?(manage: uuid)
119 raise PermissionDeniedError
121 if trash_at || delete_at || (!new_record? && TrashedGroup.where(group_uuid: uuid).any?)
122 errors.add(:frozen_by_uuid, "cannot be set on a trashed project")
124 if frozen_by_uuid_was.nil?
125 if Rails.configuration.API.FreezeProjectRequiresDescription && !attribute_present?(:description)
126 errors.add(:frozen_by_uuid, "can only be set if description is non-empty")
128 Rails.configuration.API.FreezeProjectRequiresProperties.andand.each do |key, _|
130 if !properties[key] || properties[key] == ""
131 errors.add(:frozen_by_uuid, "can only be set if properties[#{key}] value is non-empty")
139 return unless saved_change_to_trash_at? || saved_change_to_owner_uuid?
141 # The group was added or removed from the trash.
144 # Compute project subtree, propagating trash_at to subprojects
145 # Ensure none of the newly trashed descendants were frozen (if so, bail out)
146 # Remove groups that don't belong from trash
147 # Add/update groups that do belong in the trash
149 temptable = "group_subtree_#{rand(2**64).to_s(10)}"
150 ActiveRecord::Base.connection.exec_query(
151 "create temporary table #{temptable} on commit drop " +
152 "as select * from project_subtree_with_trash_at($1, LEAST($2, $3)::timestamp)",
153 "Group.update_trash.select",
155 [nil, TrashedGroup.find_by_group_uuid(self.owner_uuid).andand.trash_at],
156 [nil, self.trash_at]])
157 frozen_descendants = ActiveRecord::Base.connection.exec_query(
158 "select uuid from frozen_groups, #{temptable} where uuid = target_uuid",
159 "Group.update_trash.check_frozen")
160 if frozen_descendants.any?
161 raise ArgumentError.new("cannot trash project containing frozen project #{frozen_descendants[0]["uuid"]}")
163 ActiveRecord::Base.connection.exec_delete(
164 "delete from trashed_groups where group_uuid in (select target_uuid from #{temptable} where trash_at is NULL)",
165 "Group.update_trash.delete")
166 ActiveRecord::Base.connection.exec_query(
167 "insert into trashed_groups (group_uuid, trash_at) "+
168 "select target_uuid as group_uuid, trash_at from #{temptable} where trash_at is not NULL " +
169 "on conflict (group_uuid) do update set trash_at=EXCLUDED.trash_at",
170 "Group.update_trash.insert")
174 return unless saved_change_to_frozen_by_uuid? || saved_change_to_owner_uuid?
175 temptable = "group_subtree_#{rand(2**64).to_s(10)}"
176 ActiveRecord::Base.connection.exec_query(
177 "create temporary table #{temptable} on commit drop as select * from project_subtree_with_is_frozen($1,$2)",
178 "Group.update_frozen.select",
180 [nil, !self.frozen_by_uuid.nil?]])
182 rows = ActiveRecord::Base.connection.exec_query(
183 "select cr.uuid, cr.state from container_requests cr, #{temptable} frozen " +
184 "where cr.owner_uuid = frozen.uuid and frozen.is_frozen " +
185 "and cr.state not in ($1, $2) limit 1",
186 "Group.update_frozen.check_container_requests",
187 [[nil, ContainerRequest::Uncommitted],
188 [nil, ContainerRequest::Final]])
190 raise ArgumentError.new("cannot freeze project containing container request #{rows.first['uuid']} with state = #{rows.first['state']}")
193 ActiveRecord::Base.connection.exec_delete(
194 "delete from frozen_groups where uuid in (select uuid from #{temptable} where not is_frozen)",
195 "Group.update_frozen.delete")
196 ActiveRecord::Base.connection.exec_query(
197 "insert into frozen_groups (uuid) select uuid from #{temptable} where is_frozen on conflict do nothing",
198 "Group.update_frozen.insert")
201 def before_ownership_change
202 if owner_uuid_changed? and !self.owner_uuid_was.nil?
203 MaterializedPermission.where(user_uuid: owner_uuid_was, target_uuid: uuid).delete_all
204 update_permissions self.owner_uuid_was, self.uuid, REVOKE_PERM
208 def after_ownership_change
209 if saved_change_to_owner_uuid?
210 update_permissions self.owner_uuid, self.uuid, CAN_MANAGE_PERM
214 def clear_permissions_trash_frozen
215 MaterializedPermission.where(target_uuid: uuid).delete_all
216 ActiveRecord::Base.connection.exec_delete(
217 "delete from trashed_groups where group_uuid=$1",
218 "Group.clear_permissions_trash_frozen",
220 ActiveRecord::Base.connection.exec_delete(
221 "delete from frozen_groups where uuid=$1",
222 "Group.clear_permissions_trash_frozen",
227 if self.new_record? and (self.name.nil? or self.name.empty?)
228 self.name = self.uuid
233 def ensure_owner_uuid_is_permitted
234 if group_class == "role"
235 @requested_manager_uuid = nil
237 @requested_manager_uuid = owner_uuid
238 self.owner_uuid = system_user_uuid
241 if self.owner_uuid != system_user_uuid
242 raise "Owner uuid for role must be system user"
244 raise PermissionDeniedError unless current_user.can?(manage: uuid)
251 def add_role_manage_link
252 if group_class == "role" && @requested_manager_uuid
253 act_as_system_user do
254 Link.create!(tail_uuid: @requested_manager_uuid,
255 head_uuid: self.uuid,
256 link_class: "permission",
262 def permission_to_update
265 elsif frozen_by_uuid && frozen_by_uuid_was
266 errors.add :uuid, "#{uuid} is frozen and cannot be modified"
273 def self.full_text_searchable_columns
274 super - ["frozen_by_uuid"]