# 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
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 :setup_on_activate
+
before_create :check_auto_admin
before_create :set_initial_username, :if => Proc.new { |user|
user.username.nil? and user.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|
Rails.configuration.Users.AutoSetupNewUsers and
(user.uuid != system_user_uuid) and
(user.uuid != anonymous_user_uuid)
}
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?)
}
+ 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
{read: true, write: true},
{read: true, write: true, manage: true}]
+ VAL_FOR_PERM =
+ {:read => 1,
+ :write => 2,
+ :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
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])
- 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
- end
+
+ target_owner_uuid = target.owner_uuid if target.respond_to? :owner_uuid
+
+ user_uuids_subquery = USER_UUIDS_SUBQUERY_TEMPLATE % {user: "$1", perm_level: "$3"}
+
+ unless 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
- 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 invalidate_permissions_cache
- User.invalidate_permissions_cache
+ def after_ownership_change
+ if owner_uuid_changed?
+ 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 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}}
+ def group_permissions(level=1)
+ group_perms = {}
+
+ user_uuids_subquery = USER_UUIDS_SUBQUERY_TEMPLATE % {user: "$1", perm_level: "$2"}
+
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",
+ exec_query(%{
+SELECT target_uuid, perm_level
+ FROM #{PERMISSION_VIEW}
+ WHERE user_uuid in (#{user_uuids_subquery}) and perm_level >= $2
+},
# "name" arg is a query label that appears in logs:
- "group_permissions for #{uuid}",
+ "User.group_permissions",
# "binds" arg is an array of [col_id, value] for '$1' vars:
- [[nil, uuid]],
- ).rows.each do |group_uuid, max_p_val, trashed|
+ [[nil, uuid],
+ [nil, level]]).
+ rows.each do |group_uuid, max_p_val|
group_perms[group_uuid] = PERMS_FOR_VAL[max_p_val.to_i]
end
group_perms
end
# create links
- def setup(openid_prefix:, repo_name: nil, vm_uuid: nil)
- oid_login_perm = create_oid_login_perm openid_prefix
+ def setup(repo_name: nil, vm_uuid: nil)
repo_perm = create_user_repo_link repo_name
vm_login_perm = create_vm_login_permission_link(vm_uuid, username) if vm_uuid
group_perm = create_user_group_link
- return [oid_login_perm, repo_perm, vm_login_perm, group_perm, self].compact
+ return [repo_perm, vm_login_perm, group_perm, self].compact
end
# delete user signatures, login, repo, and vm perms, and mark as inactive
def unsetup
# delete oid_login_perms for this user
+ #
+ # note: these permission links are obsolete, they have no effect
+ # on anything and they are not created for new users.
Link.where(tail_uuid: self.email,
link_class: 'permission',
name: 'can_login').destroy_all
self.save!
end
+ def must_unsetup_to_deactivate
+ if !self.new_record? &&
+ self.uuid[0..4] == Rails.configuration.Login.LoginCluster &&
+ self.uuid[0..4] != Rails.configuration.ClusterID
+ # OK to update our local record to whatever the LoginCluster
+ # reports, because self-activate is not allowed.
+ return
+ elsif self.is_active_changed? &&
+ self.is_active_was &&
+ !self.is_active
+
+ group = Group.where(name: 'All users').select do |g|
+ g[:uuid].match(/-f+$/)
+ 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.
+ #
+ # It doesn't make sense to deactivate a user (set is_active =
+ # false) without first removing them from the "All users" group,
+ # because they would be able to immediately reactivate
+ # themselves.
+ #
+ # The 'unsetup' method removes the user from the "All users"
+ # group (and also sets is_active = false) so send a message
+ # explaining the correct way to deactivate a user.
+ #
+ if Link.where(tail_uuid: self.uuid,
+ head_uuid: 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
+ end
+
def set_initial_username(requested: false)
if !requested.is_a?(String) || requested.empty?
email_parts = email.partition("@")
self.uuid = new_uuid
save!(validate: false)
change_all_uuid_refs(old_uuid: old_uuid, new_uuid: new_uuid)
+ ActiveRecord::Base.connection.exec_update %{
+update #{PERMISSION_VIEW} set user_uuid=$1 where user_uuid = $2
+},
+ 'User.update_uuid.update_permissions_user_uuid',
+ [[nil, new_uuid],
+ [nil, old_uuid]]
+ ActiveRecord::Base.connection.exec_update %{
+update #{PERMISSION_VIEW} set target_uuid=$1 where target_uuid = $2
+},
+ 'User.update_uuid.update_permissions_target_uuid',
+ [[nil, new_uuid],
+ [nil, old_uuid]]
end
end
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
user = self
redirects = 0
while (uuid = user.redirect_to_user_uuid)
- user = User.unscoped.find_by_uuid(uuid)
- if !user
- raise Exception.new("user uuid #{user.uuid} redirects to nonexistent uuid #{uuid}")
+ break if uuid.empty?
+ nextuser = User.unscoped.find_by_uuid(uuid)
+ if !nextuser
+ raise Exception.new("user uuid #{user.uuid} redirects to nonexistent uuid '#{uuid}'")
end
+ user = nextuser
redirects += 1
if redirects > 15
raise "Starting from #{self.uuid} redirect_to_user_uuid exceeded maximum number of redirects"
:is_admin => false,
:is_active => Rails.configuration.Users.NewUsersAreActive)
- primary_user.set_initial_username(requested: info['username']) if info['username']
+ primary_user.set_initial_username(requested: info['username']) if info['username'] && !info['username'].blank?
primary_user.identity_url = info['identity_url'] if identity_url
end
merged
end
- def create_oid_login_perm(openid_prefix)
- # Check oid_login_perm
- oid_login_perms = Link.where(tail_uuid: self.email,
- head_uuid: self.uuid,
- 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_uuid: self.email,
- head_uuid: self.uuid,
- properties: {
- "identity_url_prefix" => openid_prefix,
- })
- 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
def setup_on_activate
return if [system_user_uuid, anonymous_user_uuid].include?(self.uuid)
if is_active && (new_record? || is_active_changed?)
- setup(openid_prefix: Rails.configuration.default_openid_prefix)
+ setup
end
end
# Automatically setup new user during creation
def auto_setup_new_user
- setup(openid_prefix: Rails.configuration.default_openid_prefix)
+ setup
if username
create_vm_login_permission_link(Rails.configuration.Users.AutoSetupNewUsersWithVmUUID,
username)
projects / arvados.git / blobdiff