# SPDX-License-Identifier: AGPL-3.0
require 'can_be_an_owner'
-require 'refresh_permission_view'
class User < ArvadosModel
include HasUuid
uniqueness: true,
allow_nil: true)
validate :must_unsetup_to_deactivate
+ validate :identity_url_nil_if_empty
before_update :prevent_privilege_escalation
before_update :prevent_inactive_admin
- before_update :verify_repositories_empty, :if => Proc.new { |user|
- user.username.nil? and user.username_changed?
+ before_update :verify_repositories_empty, :if => Proc.new {
+ username.nil? and username_changed?
}
- before_update :setup_on_activate
+ after_update :setup_on_activate
+
before_create :check_auto_admin
- before_create :set_initial_username, :if => Proc.new { |user|
- user.username.nil? and user.email
+ before_create :set_initial_username, :if => Proc.new {
+ username.nil? and email
}
+ after_create :after_ownership_change
after_create :setup_on_activate
after_create :add_system_group_permission_link
- after_create :invalidate_permissions_cache
- after_create :auto_setup_new_user, :if => Proc.new { |user|
+ after_create :auto_setup_new_user, :if => Proc.new {
Rails.configuration.Users.AutoSetupNewUsers and
- (user.uuid != system_user_uuid) and
- (user.uuid != anonymous_user_uuid)
+ (uuid != system_user_uuid) and
+ (uuid != anonymous_user_uuid) and
+ (uuid[0..4] == Rails.configuration.ClusterID)
}
after_create :send_admin_notifications
+
+ before_update :before_ownership_change
+ after_update :after_ownership_change
after_update :send_profile_created_notification
- after_update :sync_repository_names, :if => Proc.new { |user|
- (user.uuid != system_user_uuid) and
- user.username_changed? and
- (not user.username_was.nil?)
+ after_update :sync_repository_names, :if => Proc.new {
+ (uuid != system_user_uuid) and
+ saved_change_to_username? and
+ (not username_before_last_save.nil?)
}
+ before_destroy :clear_permissions
+ after_destroy :remove_self_from_permissions
has_many :authorized_keys, :foreign_key => :authorized_user_uuid, :primary_key => :uuid
has_many :repositories, foreign_key: :owner_uuid, primary_key: :uuid
t.add :is_invited
t.add :prefs
t.add :writable_by
+ t.add :can_write
+ t.add :can_manage
end
ALL_PERMISSIONS = {read: true, write: true, manage: true}
{read: true, write: true},
{read: true, write: true, manage: true}]
+ VAL_FOR_PERM =
+ {:read => 1,
+ :write => 2,
+ :unfreeze => 3,
+ :manage => 3}
+
+
def full_name
"#{first_name} #{last_name}".strip
end
end
def groups_i_can(verb)
- my_groups = self.group_permissions.select { |uuid, mask| mask[verb] }.keys
+ my_groups = self.group_permissions(VAL_FOR_PERM[verb]).keys
if verb == :read
my_groups << anonymous_group_uuid
end
end
def can?(actions)
- return true if is_admin
actions.each do |action, target|
unless target.nil?
if target.respond_to? :uuid
end
end
next if target_uuid == self.uuid
- next if (group_permissions[target_uuid] and
- group_permissions[target_uuid][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])
+
+ if action == :write && target && !target.new_record? &&
+ target.respond_to?(:frozen_by_uuid) &&
+ target.frozen_by_uuid_was
+ # Just an optimization to skip the PERMISSION_VIEW and
+ # FrozenGroup queries below
+ return false
end
- sufficient_perms = case action
- when :manage
- ['can_manage']
- when :write
- ['can_manage', 'can_write']
- when :read
- ['can_manage', 'can_write', 'can_read']
- else
- # (Skip this kind of permission opportunity
- # if action is an unknown permission type)
- end
- if sufficient_perms
- # Check permission links with head_uuid pointing directly at
- # the target object. If target is a Group, this is redundant
- # and will fail except [a] if permission caching is broken or
- # [b] during a race condition, where a permission link has
- # *just* been added.
- if Link.where(link_class: 'permission',
- name: sufficient_perms,
- tail_uuid: groups_i_can(action) + [self.uuid],
- head_uuid: target_uuid).any?
- next
+
+ target_owner_uuid = target.owner_uuid if target.respond_to? :owner_uuid
+
+ user_uuids_subquery = USER_UUIDS_SUBQUERY_TEMPLATE % {user: "$1", perm_level: "$3"}
+
+ if !is_admin && !ActiveRecord::Base.connection.
+ exec_query(%{
+SELECT 1 FROM #{PERMISSION_VIEW}
+ WHERE user_uuid in (#{user_uuids_subquery}) and
+ ((target_uuid = $2 and perm_level >= $3)
+ or (target_uuid = $4 and perm_level >= $3 and traverse_owned))
+},
+ # "name" arg is a query label that appears in logs:
+ "user_can_query",
+ [[nil, self.uuid],
+ [nil, target_uuid],
+ [nil, VAL_FOR_PERM[action]],
+ [nil, target_owner_uuid]]
+ ).any?
+ return false
+ end
+
+ if action == :write
+ if FrozenGroup.where(uuid: [target_uuid, target_owner_uuid]).any?
+ # self or parent is frozen
+ return false
+ end
+ elsif action == :unfreeze
+ # "unfreeze" permission means "can write, but only if
+ # explicitly un-freezing at the same time" (see
+ # ArvadosModel#ensure_owner_uuid_is_permitted). If the
+ # permission query above passed the permission level of
+ # :unfreeze (which is the same as :manage), and the parent
+ # isn't also frozen, then un-freeze is allowed.
+ if FrozenGroup.where(uuid: target_owner_uuid).any?
+ return false
end
end
- return false
end
true
end
- def self.invalidate_permissions_cache(async=false)
- refresh_permission_view(async)
+ def before_ownership_change
+ if owner_uuid_changed? and !self.owner_uuid_was.nil?
+ MaterializedPermission.where(user_uuid: owner_uuid_was, target_uuid: uuid).delete_all
+ update_permissions self.owner_uuid_was, self.uuid, REVOKE_PERM
+ end
+ end
+
+ def after_ownership_change
+ if saved_change_to_owner_uuid?
+ update_permissions self.owner_uuid, self.uuid, CAN_MANAGE_PERM
+ end
+ end
+
+ def clear_permissions
+ MaterializedPermission.where("user_uuid = ? and target_uuid != ?", uuid, uuid).delete_all
+ end
+
+ def forget_cached_group_perms
+ @group_perms = nil
end
- def invalidate_permissions_cache
- User.invalidate_permissions_cache
+ def remove_self_from_permissions
+ MaterializedPermission.where("target_uuid = ?", uuid).delete_all
+ check_permissions_against_full_refresh
end
# Return a hash of {user_uuid: group_perms}
+ #
+ # note: this does not account for permissions that a user gains by
+ # having can_manage on another user.
def self.all_group_permissions
all_perms = {}
ActiveRecord::Base.connection.
- exec_query("SELECT user_uuid, target_owner_uuid, perm_level, trashed
+ exec_query(%{
+SELECT user_uuid, target_uuid, perm_level
FROM #{PERMISSION_VIEW}
- WHERE target_owner_uuid IS NOT NULL",
+ WHERE traverse_owned
+},
# "name" arg is a query label that appears in logs:
- "all_group_permissions",
- ).rows.each do |user_uuid, group_uuid, max_p_val, trashed|
+ "all_group_permissions").
+ rows.each do |user_uuid, group_uuid, max_p_val|
all_perms[user_uuid] ||= {}
all_perms[user_uuid][group_uuid] = PERMS_FOR_VAL[max_p_val.to_i]
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
- group_perms = {self.uuid => {:read => true, :write => true, :manage => true}}
- ActiveRecord::Base.connection.
- exec_query("SELECT target_owner_uuid, perm_level, trashed
- FROM #{PERMISSION_VIEW}
- WHERE user_uuid = $1
- AND target_owner_uuid IS NOT NULL",
- # "name" arg is a query label that appears in logs:
- "group_permissions for #{uuid}",
- # "binds" arg is an array of [col_id, value] for '$1' vars:
- [[nil, uuid]],
- ).rows.each do |group_uuid, max_p_val, trashed|
- group_perms[group_uuid] = PERMS_FOR_VAL[max_p_val.to_i]
+ def group_permissions(level=1)
+ @group_perms ||= {}
+ if @group_perms.empty?
+ user_uuids_subquery = USER_UUIDS_SUBQUERY_TEMPLATE % {user: "$1", perm_level: 1}
+
+ ActiveRecord::Base.connection.
+ exec_query(%{
+SELECT target_uuid, perm_level
+ FROM #{PERMISSION_VIEW}
+ WHERE user_uuid in (#{user_uuids_subquery}) and perm_level >= 1
+},
+ # "name" arg is a query label that appears in logs:
+ "User.group_permissions",
+ # "binds" arg is an array of [col_id, value] for '$1' vars:
+ [[nil, uuid]]).
+ rows.each do |group_uuid, max_p_val|
+ @group_perms[group_uuid] = PERMS_FOR_VAL[max_p_val.to_i]
+ end
+ end
+
+ case level
+ when 1
+ @group_perms
+ when 2
+ @group_perms.select {|k,v| v[:write] }
+ when 3
+ @group_perms.select {|k,v| v[:manage] }
+ else
+ raise "level must be 1, 2 or 3"
end
- group_perms
end
# create links
- def setup(repo_name: nil, vm_uuid: nil)
- repo_perm = create_user_repo_link repo_name
- vm_login_perm = create_vm_login_permission_link(vm_uuid, username) if vm_uuid
- group_perm = create_user_group_link
+ def setup(repo_name: nil, vm_uuid: nil, send_notification_email: nil)
+ newly_invited = Link.where(tail_uuid: self.uuid,
+ head_uuid: all_users_group_uuid,
+ link_class: 'permission',
+ name: 'can_read').empty?
+
+ # Add can_read link from this user to "all users" which makes this
+ # user "invited", and (depending on config) a link in the opposite
+ # direction which makes this user visible to other users.
+ group_perms = add_to_all_users_group
+
+ # Add git repo
+ repo_perm = if (!repo_name.nil? || Rails.configuration.Users.AutoSetupNewUsersWithRepository) and !username.nil?
+ repo_name ||= "#{username}/#{username}"
+ create_user_repo_link repo_name
+ end
+
+ # Add virtual machine
+ if vm_uuid.nil? and !Rails.configuration.Users.AutoSetupNewUsersWithVmUUID.empty?
+ vm_uuid = Rails.configuration.Users.AutoSetupNewUsersWithVmUUID
+ end
+
+ vm_login_perm = if vm_uuid && username
+ create_vm_login_permission_link(vm_uuid, username)
+ end
+
+ # Send welcome email
+ if send_notification_email.nil?
+ send_notification_email = Rails.configuration.Mail.SendUserSetupNotificationEmail
+ end
+
+ if newly_invited and send_notification_email and !Rails.configuration.Users.UserSetupMailText.empty?
+ begin
+ UserNotifier.account_is_setup(self).deliver_now
+ rescue => e
+ logger.warn "Failed to send email to #{self.email}: #{e}"
+ end
+ end
- return [repo_perm, vm_login_perm, group_perm, self].compact
+ forget_cached_group_perms
+
+ return [repo_perm, vm_login_perm, *group_perms, self].compact
end
# delete user signatures, login, repo, and vm perms, and mark as inactive
name: 'can_login').destroy_all
# delete "All users" group read permissions for this user
- group = Group.where(name: 'All users').select do |g|
- g[:uuid].match(/-f+$/)
- end.first
Link.where(tail_uuid: self.uuid,
- head_uuid: group[:uuid],
+ head_uuid: all_users_group_uuid,
link_class: 'permission',
name: 'can_read').destroy_all
Link.where(link_class: 'signature',
tail_uuid: self.uuid).destroy_all
+ # delete tokens for this user
+ ApiClientAuthorization.where(user_id: self.id).destroy_all
+ # delete ssh keys for this user
+ AuthorizedKey.where(owner_uuid: self.uuid).destroy_all
+ AuthorizedKey.where(authorized_user_uuid: self.uuid).destroy_all
+
# delete user preferences (including profile)
self.prefs = {}
# mark the user as inactive
+ self.is_admin = false # can't be admin and inactive
self.is_active = false
+ forget_cached_group_perms
self.save!
end
def must_unsetup_to_deactivate
- if self.is_active_changed? &&
- self.is_active_was == true &&
+ if !self.new_record? &&
+ self.uuid[0..4] == Rails.configuration.Login.LoginCluster &&
+ self.uuid[0..4] != Rails.configuration.ClusterID
+ # OK to update our local record to whatever the LoginCluster
+ # reports, because self-activate is not allowed.
+ return
+ elsif self.is_active_changed? &&
+ self.is_active_was &&
!self.is_active
- group = Group.where(name: 'All users').select do |g|
- g[:uuid].match(/-f+$/)
- end.first
-
# When a user is set up, they are added to the "All users"
# group. A user that is part of the "All users" group is
# allowed to self-activate.
# explaining the correct way to deactivate a user.
#
if Link.where(tail_uuid: self.uuid,
- head_uuid: group[:uuid],
+ head_uuid: all_users_group_uuid,
link_class: 'permission',
name: 'can_read').any?
errors.add :is_active, "cannot be set to false directly, use the 'Deactivate' button on Workbench, or the 'unsetup' API call"
end
end
- def update_uuid(new_uuid:)
- if !current_user.andand.is_admin
- raise PermissionDeniedError
- end
- if uuid == system_user_uuid || uuid == anonymous_user_uuid
- raise "update_uuid cannot update system accounts"
- end
- if self.class != self.class.resource_class_for_uuid(new_uuid)
- raise "invalid new_uuid #{new_uuid.inspect}"
- end
- transaction(requires_new: true) do
- reload
- old_uuid = self.uuid
- self.uuid = new_uuid
- save!(validate: false)
- change_all_uuid_refs(old_uuid: old_uuid, new_uuid: new_uuid)
- end
- end
-
# Move this user's (i.e., self's) owned items to new_owner_uuid and
# new_user_uuid (for things normally owned directly by the user).
#
raise "user does not exist" if !new_user
raise "cannot merge to an already merged user" if new_user.redirect_to_user_uuid
+ self.clear_permissions
+ new_user.clear_permissions
+
# If 'self' is a remote user, don't transfer authorizations
# (i.e. ability to access the account) to the new user, because
# that gives the remote site the ability to access the 'new'
if redirect_to_new_user
update_attributes!(redirect_to_user_uuid: new_user.uuid, username: nil)
end
- invalidate_permissions_cache
+ skip_check_permissions_against_full_refresh do
+ update_permissions self.uuid, self.uuid, CAN_MANAGE_PERM
+ update_permissions new_user.uuid, new_user.uuid, CAN_MANAGE_PERM
+ update_permissions new_user.owner_uuid, new_user.uuid, CAN_MANAGE_PERM
+ end
+ update_permissions self.owner_uuid, self.uuid, CAN_MANAGE_PERM
end
end
protected
+ def self.attributes_required_columns
+ super.merge(
+ 'can_write' => ['owner_uuid', 'uuid'],
+ 'can_manage' => ['owner_uuid', 'uuid'],
+ )
+ end
+
def change_all_uuid_refs(old_uuid:, new_uuid:)
ActiveRecord::Base.descendants.reject(&:abstract_class?).each do |klass|
klass.columns.each do |col|
login_perm
end
- # add the user to the 'All users' group
- def create_user_group_link
- return (Link.where(tail_uuid: self.uuid,
- head_uuid: all_users_group[:uuid],
+ def add_to_all_users_group
+ resp = [Link.where(tail_uuid: self.uuid,
+ head_uuid: all_users_group_uuid,
link_class: 'permission',
- name: 'can_read').first or
+ name: 'can_read').first ||
Link.create(tail_uuid: self.uuid,
- head_uuid: all_users_group[:uuid],
+ head_uuid: all_users_group_uuid,
link_class: 'permission',
- name: 'can_read'))
+ name: 'can_read')]
+ if Rails.configuration.Users.ActivatedUsersAreVisibleToOthers
+ resp += [Link.where(tail_uuid: all_users_group_uuid,
+ head_uuid: self.uuid,
+ link_class: 'permission',
+ name: 'can_read').first ||
+ Link.create(tail_uuid: all_users_group_uuid,
+ head_uuid: self.uuid,
+ link_class: 'permission',
+ name: 'can_read')]
+ end
+ return resp
end
# Give the special "System group" permission to manage this user and
# Automatically setup if is_active flag turns on
def setup_on_activate
return if [system_user_uuid, anonymous_user_uuid].include?(self.uuid)
- if is_active && (new_record? || is_active_changed?)
+ if is_active &&
+ (new_record? || saved_change_to_is_active? || will_save_change_to_is_active?)
setup
end
end
# Automatically setup new user during creation
def auto_setup_new_user
setup
- if username
- create_vm_login_permission_link(Rails.configuration.Users.AutoSetupNewUsersWithVmUUID,
- username)
- repo_name = "#{username}/#{username}"
- if Rails.configuration.Users.AutoSetupNewUsersWithRepository and
- Repository.where(name: repo_name).first.nil?
- repo = Repository.create!(name: repo_name, owner_uuid: uuid)
- Link.create!(tail_uuid: uuid, head_uuid: repo.uuid,
- link_class: "permission", name: "can_manage")
- end
- end
end
# Send notification if the user saved profile for the first time
def send_profile_created_notification
- if self.prefs_changed?
- if self.prefs_was.andand.empty? || !self.prefs_was.andand['profile']
+ if saved_change_to_prefs?
+ if prefs_before_last_save.andand.empty? || !prefs_before_last_save.andand['profile']
profile_notification_address = Rails.configuration.Users.UserProfileNotificationAddress
ProfileNotifier.profile_created(self, profile_notification_address).deliver_now if profile_notification_address and !profile_notification_address.empty?
end
end
def sync_repository_names
- old_name_re = /^#{Regexp.escape(username_was)}\//
+ old_name_re = /^#{Regexp.escape(username_before_last_save)}\//
name_sub = "#{username}/"
repositories.find_each do |repo|
repo.name = repo.name.sub(old_name_re, name_sub)
repo.save!
end
end
+
+ def identity_url_nil_if_empty
+ if identity_url == ""
+ self.identity_url = nil
+ end
+ end
end
projects / arvados.git / blobdiff