+ # Return a hash of {group_uuid: perm_hash} where perm_hash[:read]
+ # and perm_hash[:write] are true if this user can read and write
+ # objects owned by group_uuid.
+ def group_permissions
+ Rails.cache.fetch "groups_for_user_#{self.uuid}" do
+ permissions_from = {}
+ todo = {self.uuid => true}
+ done = {}
+ while !todo.empty?
+ lookup_uuids = todo.keys
+ lookup_uuids.each do |uuid| done[uuid] = true end
+ todo = {}
+ newgroups = []
+ Group.where('owner_uuid in (?)', lookup_uuids).each do |group|
+ newgroups << [group.owner_uuid, group.uuid, 'can_manage']
+ end
+ Link.where('tail_uuid in (?) and link_class = ? and head_kind in (?)',
+ lookup_uuids,
+ 'permission',
+ ['arvados#group', 'arvados#user']).each do |link|
+ newgroups << [link.tail_uuid, link.head_uuid, link.name]
+ end
+ newgroups.each do |tail_uuid, head_uuid, perm_name|
+ unless done.has_key? head_uuid
+ todo[head_uuid] = true
+ end
+ link_permissions = {}
+ case perm_name
+ when 'can_read'
+ link_permissions = {read:true}
+ when 'can_write'
+ link_permissions = {read:true,write:true}
+ when 'can_manage'
+ link_permissions = ALL_PERMISSIONS
+ end
+ permissions_from[tail_uuid] ||= {}
+ permissions_from[tail_uuid][head_uuid] ||= {}
+ link_permissions.each do |k,v|
+ permissions_from[tail_uuid][head_uuid][k] ||= v
+ end
+ end
+ end
+ search_permissions(self.uuid, permissions_from)
+ end
+ end
+
+ def self.setup(user, openid_prefix, repo_name=nil, vm_uuid=nil)
+ login_perm_props = {identity_url_prefix: openid_prefix}
+
+ # Check oid_login_perm
+ oid_login_perms = Link.where(tail_uuid: user.email,
+ head_kind: 'arvados#user',
+ link_class: 'permission',
+ name: 'can_login')
+
+ if !oid_login_perms.any?
+ # create openid login permission
+ oid_login_perm = Link.create(link_class: 'permission',
+ name: 'can_login',
+ tail_kind: 'email',
+ tail_uuid: user.email,
+ head_kind: 'arvados#user',
+ head_uuid: user.uuid,
+ properties: login_perm_props
+ )
+ logger.info { "openid login permission: " + oid_login_perm[:uuid] }
+ else
+ oid_login_perm = oid_login_perms.first
+ end
+
+ return [oid_login_perm] + user.setup_repo_vm_links(repo_name, vm_uuid)
+ end
+
+ # create links
+ def setup_repo_vm_links(repo_name, vm_uuid)
+ repo_perm = create_user_repo_link repo_name
+ vm_login_perm = create_vm_login_permission_link vm_uuid, repo_name
+ group_perm = create_user_group_link
+
+ return [repo_perm, vm_login_perm, group_perm, self].compact
+ end
+
+ # delete user signatures, login, repo, and vm perms, and mark as inactive
+ def unsetup
+ # delete oid_login_perms for this user
+ oid_login_perms = Link.where(tail_uuid: self.email,
+ head_kind: 'arvados#user',
+ link_class: 'permission',
+ name: 'can_login')
+ oid_login_perms.each do |perm|
+ Link.delete perm
+ end
+
+ # delete repo_perms for this user
+ repo_perms = Link.where(tail_uuid: self.uuid,
+ head_kind: 'arvados#repository',
+ link_class: 'permission',
+ name: 'can_write')
+ repo_perms.each do |perm|
+ Link.delete perm
+ end
+
+ # delete vm_login_perms for this user
+ vm_login_perms = Link.where(tail_uuid: self.uuid,
+ head_kind: 'arvados#virtualMachine',
+ link_class: 'permission',
+ name: 'can_login')
+ vm_login_perms.each do |perm|
+ Link.delete perm
+ end
+
+ # delete any signatures by this user
+ signed_uuids = Link.where(link_class: 'signature',
+ tail_kind: 'arvados#user',
+ tail_uuid: self.uuid)
+ signed_uuids.each do |sign|
+ Link.delete sign
+ end
+
+ # mark the user as inactive
+ self.is_active = false
+ self.save!
+ end
+