+
+ def create_oid_login_perm (openid_prefix)
+ login_perm_props = {identity_url_prefix: openid_prefix}
+
+ # Check oid_login_perm
+ oid_login_perms = Link.where(tail_uuid: self.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: self.email,
+ head_kind: 'arvados#user',
+ head_uuid: self.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
+ end
+
+ def create_user_repo_link(repo_name)
+ # repo_name is optional
+ if not repo_name
+ logger.warn ("Repository name not given for #{self.uuid}.")
+ return
+ end
+
+ # Check for an existing repository with the same name we're about to use.
+ repo = Repository.where(name: repo_name).first
+
+ if repo
+ logger.warn "Repository exists for #{repo_name}: #{repo[:uuid]}."
+
+ # Look for existing repository access for this repo
+ repo_perms = Link.where(tail_uuid: self.uuid,
+ head_kind: 'arvados#repository',
+ head_uuid: repo[:uuid],
+ link_class: 'permission',
+ name: 'can_write')
+ if repo_perms.any?
+ logger.warn "User already has repository access " +
+ repo_perms.collect { |p| p[:uuid] }.inspect
+ return repo_perms.first
+ end
+ end
+
+ # create repo, if does not already exist
+ repo ||= Repository.create(name: repo_name)
+ logger.info { "repo uuid: " + repo[:uuid] }
+
+ repo_perm = Link.create(tail_kind: 'arvados#user',
+ tail_uuid: self.uuid,
+ head_kind: 'arvados#repository',
+ head_uuid: repo[:uuid],
+ link_class: 'permission',
+ name: 'can_write')
+ logger.info { "repo permission: " + repo_perm[:uuid] }
+ return repo_perm
+ end
+
+ # create login permission for the given vm_uuid, if it does not already exist
+ def create_vm_login_permission_link(vm_uuid, repo_name)
+ begin
+
+ # vm uuid is optional
+ if vm_uuid
+ vm = VirtualMachine.where(uuid: vm_uuid).first
+
+ if not vm
+ logger.warn "Could not find virtual machine for #{vm_uuid.inspect}"
+ raise "No vm found for #{vm_uuid}"
+ end
+ else
+ return
+ end
+
+ logger.info { "vm uuid: " + vm[:uuid] }
+
+ login_perms = Link.where(tail_uuid: self.uuid,
+ head_uuid: vm[:uuid],
+ head_kind: 'arvados#virtualMachine',
+ link_class: 'permission',
+ name: 'can_login')
+
+ perm_exists = false
+ login_perms.each do |perm|
+ if perm.properties[:username] == repo_name
+ perm_exists = true
+ break
+ end
+ end
+
+ if !perm_exists
+ login_perm = Link.create(tail_kind: 'arvados#user',
+ tail_uuid: self.uuid,
+ head_kind: 'arvados#virtualMachine',
+ head_uuid: vm[:uuid],
+ link_class: 'permission',
+ name: 'can_login',
+ properties: {username: repo_name})
+ logger.info { "login permission: " + login_perm[:uuid] }
+ else
+ login_perm = login_perms.first
+ end
+
+ return login_perm
+ end
+ end
+
+ # add the user to the 'All users' group
+ def create_user_group_link
+ # Look up the "All users" group (we expect uuid *-*-fffffffffffffff).
+ group = Group.where(name: 'All users').select do |g|
+ g[:uuid].match /-f+$/
+ end.first
+
+ if not group
+ logger.warn "No 'All users' group with uuid '*-*-fffffffffffffff'."
+ raise "No 'All users' group with uuid '*-*-fffffffffffffff' is found"
+ else
+ logger.info { "\"All users\" group uuid: " + group[:uuid] }
+
+ group_perms = Link.where(tail_uuid: self.uuid,
+ head_uuid: group[:uuid],
+ head_kind: 'arvados#group',
+ link_class: 'permission',
+ name: 'can_read')
+
+ if !group_perms.any?
+ group_perm = Link.create(tail_kind: 'arvados#user',
+ tail_uuid: self.uuid,
+ head_kind: 'arvados#group',
+ head_uuid: group[:uuid],
+ link_class: 'permission',
+ name: 'can_read')
+ logger.info { "group permission: " + group_perm[:uuid] }
+ else
+ group_perm = group_perms.first
+ end
+
+ return group_perm
+ end
+ end
+
+ # Give the special "System group" permission to manage this user and
+ # all of this user's stuff.
+ #
+ def add_system_group_permission_link
+ Link.create(link_class: 'permission',
+ name: 'can_manage',
+ tail_kind: 'arvados#group',
+ tail_uuid: system_group_uuid,
+ head_kind: 'arvados#user',
+ head_uuid: self.uuid)
+ end