serialize :prefs, Hash
has_many :api_client_authorizations
before_update :prevent_privilege_escalation
+ before_update :prevent_inactive_admin
+ before_create :check_auto_admin
+ after_create :add_system_group_permission_link
+ after_create AdminNotifier
- has_many :authorized_keys, :foreign_key => :authorized_user, :primary_key => :uuid
+ has_many :authorized_keys, :foreign_key => :authorized_user_uuid, :primary_key => :uuid
- api_accessible :superuser, :extend => :common do |t|
+ api_accessible :user, extend: :common do |t|
t.add :email
t.add :full_name
t.add :first_name
t.add :last_name
t.add :identity_url
+ t.add :is_active
t.add :is_admin
+ t.add :is_invited
t.add :prefs
end
"#{first_name} #{last_name}"
end
+ def is_invited
+ !!(self.is_active ||
+ Rails.configuration.new_users_are_active ||
+ self.groups_i_can(:read).select { |x| x.match /-f+$/ }.first)
+ end
+
def groups_i_can(verb)
self.group_permissions.select { |uuid, mask| mask[verb] }.keys
end
def can?(actions)
+ return true if is_admin
actions.each do |action, target|
target_uuid = target
if target.respond_to? :uuid
next if target_uuid == self.uuid
next if (group_permissions[target_uuid] and
group_permissions[target_uuid][action])
- if target.respond_to? :owner
- next if target.owner == self.uuid
- next if (group_permissions[target.owner] and
- group_permissions[target.owner][action])
+ if target.respond_to? :owner_uuid
+ next if target.owner_uuid == self.uuid
+ next if (group_permissions[target.owner_uuid] and
+ group_permissions[target.owner_uuid][action])
end
return false
end
Rails.cache.delete_matched(/^groups_for_user_/)
end
- protected
-
- def permission_to_create
- Thread.current[:user] == self or
- (Thread.current[:user] and Thread.current[:user].is_admin)
- end
-
- def prevent_privilege_escalation
- if self.is_admin_changed? and !current_user.is_admin
- if current_user.uuid == self.uuid
- if self.is_admin != self.is_admin_was
- logger.warn "User #{self.uuid} tried to change is_admin from #{self.is_admin_was} to #{self.is_admin}"
- self.is_admin = self.is_admin_was
- end
- end
- end
- true
- end
-
+ # 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 = {}
lookup_uuids = todo.keys
lookup_uuids.each do |uuid| done[uuid] = true end
todo = {}
- Link.where('tail_uuid in (?) and link_class = ? and head_kind = ?',
+ 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_uuid like ? or head_uuid like ?)',
lookup_uuids,
'permission',
- 'arvados#group').each do |link|
- unless done.has_key? link.head_uuid
- todo[link.head_uuid] = true
+ Group.uuid_like_pattern,
+ User.uuid_like_pattern).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 link.name
+ case perm_name
when 'can_read'
link_permissions = {read:true}
when 'can_write'
when 'can_manage'
link_permissions = ALL_PERMISSIONS
end
- permissions_from[link.tail_uuid] ||= {}
- permissions_from[link.tail_uuid][link.head_uuid] ||= {}
+ permissions_from[tail_uuid] ||= {}
+ permissions_from[tail_uuid][head_uuid] ||= {}
link_permissions.each do |k,v|
- permissions_from[link.tail_uuid][link.head_uuid][k] ||= v
+ permissions_from[tail_uuid][head_uuid][k] ||= v
end
end
end
end
end
+ def self.setup(user, openid_prefix, repo_name=nil, vm_uuid=nil)
+ return user.setup_repo_vm_links(repo_name, vm_uuid, openid_prefix)
+ end
+
+ # create links
+ def setup_repo_vm_links(repo_name, vm_uuid, openid_prefix)
+ oid_login_perm = create_oid_login_perm openid_prefix
+ 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 [oid_login_perm, 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 "All users' group read permissions for this user
+ group = Group.where(name: 'All users').select do |g|
+ g[:uuid].match /-f+$/
+ end.first
+ group_perms = Link.where(tail_uuid: self.uuid,
+ head_uuid: group[:uuid],
+ head_kind: 'arvados#group',
+ link_class: 'permission',
+ name: 'can_read')
+ group_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
+
+ protected
+
+ def permission_to_update
+ # users must be able to update themselves (even if they are
+ # inactive) in order to create sessions
+ self == current_user or super
+ end
+
+ def permission_to_create
+ current_user.andand.is_admin or
+ (self == current_user and
+ self.is_active == Rails.configuration.new_users_are_active)
+ end
+
+ def check_auto_admin
+ if User.where("uuid not like '%-000000000000000'").where(:is_admin => true).count == 0 and Rails.configuration.auto_admin_user
+ if current_user.email == Rails.configuration.auto_admin_user
+ self.is_admin = true
+ self.is_active = true
+ end
+ end
+ end
+
+ def prevent_privilege_escalation
+ if current_user.andand.is_admin
+ return true
+ end
+ if self.is_active_changed?
+ if self.is_active != self.is_active_was
+ logger.warn "User #{current_user.uuid} tried to change is_active from #{self.is_admin_was} to #{self.is_admin} for #{self.uuid}"
+ self.is_active = self.is_active_was
+ end
+ end
+ if self.is_admin_changed?
+ if self.is_admin != self.is_admin_was
+ logger.warn "User #{current_user.uuid} tried to change is_admin from #{self.is_admin_was} to #{self.is_admin} for #{self.uuid}"
+ self.is_admin = self.is_admin_was
+ end
+ end
+ true
+ end
+
+ def prevent_inactive_admin
+ if self.is_admin and not self.is_active
+ # There is no known use case for the strange set of permissions
+ # that would result from this change. It's safest to assume it's
+ # a mistake and disallow it outright.
+ raise "Admin users cannot be inactive"
+ end
+ true
+ end
+
def search_permissions(start, graph, merged={}, upstream_mask=nil, upstream_path={})
nextpaths = graph[start]
return merged if !nextpaths
upstream_path.delete start
merged
end
+
+ 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
+ act_as_system_user do
+ 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
+ end
end
projects / arvados.git / blobdiff