class Arvados::V1::UsersController < ApplicationController
+ skip_before_filter :find_object_by_uuid, only:
+ [:activate, :event_stream, :current, :system]
+ skip_before_filter :render_404_if_no_object, only:
+ [:activate, :event_stream, :current, :system]
+
def current
@object = current_user
show
if current_user.andand.is_admin
channel = params[:uuid] || channel
end
- self.response.headers['Last-Modified'] = Time.now.ctime.to_s
- self.response_body = ChannelStreamer.new(channel: channel)
+ if client_accepts_plain_text_stream
+ self.response.headers['Last-Modified'] = Time.now.ctime.to_s
+ self.response_body = ChannelStreamer.new(channel: channel)
+ else
+ render json: {
+ href: url_for(uuid: channel),
+ comment: ('To retrieve the event stream as plain text, ' +
+ 'use a request header like "Accept: text/plain"')
+ }
+ end
+ end
+
+ def activate
+ if current_user.andand.is_admin && params[:uuid]
+ @object = User.find params[:uuid]
+ else
+ @object = current_user
+ end
+ if not @object.is_active
+ if not (current_user.is_admin or @object.is_invited)
+ logger.warn "User #{@object.uuid} called users.activate " +
+ "but is not invited"
+ raise ArgumentError.new "Cannot activate without being invited."
+ end
+ act_as_system_user do
+ required_uuids = Link.where(owner_uuid: system_user_uuid,
+ link_class: 'signature',
+ name: 'require',
+ tail_uuid: system_user_uuid,
+ head_kind: 'arvados#collection').
+ collect(&:head_uuid)
+ signed_uuids = Link.where(owner_uuid: system_user_uuid,
+ link_class: 'signature',
+ name: 'click',
+ tail_kind: 'arvados#user',
+ tail_uuid: @object.uuid,
+ head_kind: 'arvados#collection',
+ head_uuid: required_uuids).
+ collect(&:head_uuid)
+ todo_uuids = required_uuids - signed_uuids
+ if todo_uuids == []
+ @object.update_attributes is_active: true
+ logger.info "User #{@object.uuid} activated"
+ else
+ logger.warn "User #{@object.uuid} called users.activate " +
+ "before signing agreements #{todo_uuids.inspect}"
+ raise ArvadosModel::PermissionDeniedError.new \
+ "Cannot activate without user agreements #{todo_uuids.inspect}."
+ end
+ end
+ end
+ show
+ end
+
+ # create user object and all the needed links
+ def create
+ if params[:openid_prefix] # check if default openid_prefix needs to be overridden
+ openid_prefix = params[:openid_prefix]
+ else
+ openid_prefix = 'https://www.google.com/accounts/o8/id' # default openid prefix
+ end
+ login_perm_props = {identity_url_prefix: openid_prefix}
+
+ # check if only to probe the given user parameter
+ just_probe = (params[:just_probe] == 'true') ? true : false;
+
+ @object = model_class.new resource_attrs
+
+ # If user_param is passed, lookup for user. If exists, skip create and only create any missing links.
+ if params[:user_param]
+ begin
+ @object_found = find_user_from_input params[:user_param], params[:user_param]
+ end
+ if !@object_found
+ @object = User.new # when user_param is used, it will be used as user object
+ @object[:email] = params[:user_param]
+ need_to_create = true
+ else
+ @object = @object_found
+ end
+ else # need to create user for the given user data
+ @object_found = find_user_from_input @object[:uuid], @object[:email]
+ if !@object_found
+ need_to_create = true # use the user object sent in to create with the user
+ else
+ @object = @object_found
+ end
+ end
+
+ # if just probing, return any object found
+ if just_probe
+ show
+ return
+ end
+
+ # create if need be, and then create or update the links as needed
+ if need_to_create
+ if @object.save
+ oid_login_perm = Link.where(tail_uuid: @object[:email],
+ head_kind: 'arvados#user',
+ link_class: 'permission',
+ name: 'can_login')
+
+ if [] == oid_login_perm
+ # create openid login permission
+ oid_login_perm = Link.create(link_class: 'permission',
+ name: 'can_login',
+ tail_kind: 'email',
+ tail_uuid: @object[:email],
+ head_kind: 'arvados#user',
+ head_uuid: @object[:uuid],
+ properties: login_perm_props
+ )
+ logger.info { "openid login permission: " + oid_login_perm[:uuid] }
+ end
+ else
+ raise "Save failed"
+ end
+ end
+
+ # create links
+ create_user_repo_link params[:repo_name]
+ create_vm_login_permission_link params[:vm_uuid], params[:repo_name]
+ create_user_group_link
+
+ show
end
+
+ protected
+
+ # find the user from the given user parameters
+ def find_user_from_input(user_uuid, user_email)
+ if user_uuid
+ found_object = User.find_by_uuid user_uuid
+ end
+
+ if !found_object
+ begin
+ if !user_email
+ return
+ end
+
+ if !user_email.match(/\w\@\w+\.\w+/)
+ logger.warn ("Given user param is not valid email format: #{user_email}")
+ raise ArgumentError.new "User param is not of valid email format. Stop"
+ else
+ found_objects = User.where('email=?', user_email)
+ if found_objects.size > 1
+ logger.warn ("Found #{found_objects.size} users with email #{user_email}. Stop.")
+ raise ArgumentError.new "Found #{found_objects.size} users with email #{user_email}. Stop."
+ elsif found_objects.size == 1
+ found_object = found_objects.first
+ end
+ end
+ end
+ end
+
+ return found_object
+ end
+
+ # link the repo_name passed
+ def create_user_repo_link(repo_name)
+ if not repo_name
+ logger.warn ("Repository name not given for #{@object[:uuid]}. Skip creating the link")
+ return
+ end
+
+ # Check for an existing repository with the same name we're about to use.
+ repo = (repositories = Repository.where(name: repo_name)) != nil ? repositories.first : nil
+ if repo
+ logger.warn "Repository already exists with name #{repo_name}: #{repo[:uuid]}. Will link to user."
+
+ # Look for existing repository access (perhaps using a different repository/user name).
+ repo_perms = Link.where(tail_uuid: @object[:uuid],
+ head_kind: 'arvados#repository',
+ head_uuid: repo[:uuid],
+ link_class: 'permission',
+ name: 'can_write')
+ if [] != repo_perms
+ logger.warn "User already has repository access " + repo_perms.collect { |p| p[:uuid] }.inspect
+ return
+ end
+ end
+
+ repo ||= Repository.create(name: repo_name) # create repo, if does not already exist
+ logger.info { "repo uuid: " + repo[:uuid] }
+
+ repo_perm = Link.create(tail_kind: 'arvados#user',
+ tail_uuid: @object[:uuid],
+ head_kind: 'arvados#repository',
+ head_uuid: repo[:uuid],
+ link_class: 'permission',
+ name: 'can_write')
+ logger.info { "repo permission: " + repo_perm[:uuid] }
+ 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)
+ # Look up the given virtual machine just to make sure it really exists.
+ begin
+ vm = (vms = VirtualMachine.where(uuid: vm_uuid)) != nil ? vms.first : nil
+ if not vm
+ logger.warn "Could not look up virtual machine with uuid #{vm_uuid.inspect}"
+ return
+ end
+
+ logger.info { "vm uuid: " + vm[:uuid] }
+
+ login_perm = Link.where(tail_uuid: @object[:uuid],
+ head_uuid: vm[:uuid],
+ head_kind: 'arvados#virtualMachine',
+ link_class: 'permission',
+ name: 'can_login')
+ if [] == login_perm
+ login_perm = Link.create(tail_kind: 'arvados#user',
+ tail_uuid: @object[: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] }
+ end
+ 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 "Could not look up the 'All users' group with uuid '*-*-fffffffffffffff'. Skip."
+ return
+ else
+ logger.info { "\"All users\" group uuid: " + group[:uuid] }
+
+ group_perm = Link.where(tail_uuid: @object[:uuid],
+ head_uuid: group[:uuid],
+ head_kind: 'arvados#group',
+ link_class: 'permission',
+ name: 'can_read')
+
+ if [] == group_perm
+ group_perm = Link.create(tail_kind: 'arvados#user',
+ tail_uuid: @object[:uuid],
+ head_kind: 'arvados#group',
+ head_uuid: group[:uuid],
+ link_class: 'permission',
+ name: 'can_read')
+ logger.info { "group permission: " + group_perm[:uuid] }
+ end
+ end
+ end
+
end