1 # Copyright (C) The Arvados Authors. All rights reserved.
3 # SPDX-License-Identifier: AGPL-3.0
5 require 'can_be_an_owner'
7 class User < ArvadosModel
10 include CommonApiTemplate
12 extend CurrentApiClient
14 serialize :prefs, Hash
15 has_many :api_client_authorizations
18 with: /\A[A-Za-z][A-Za-z0-9]*\z/,
19 message: "must begin with a letter and contain only alphanumerics",
23 validate :must_unsetup_to_deactivate
24 before_update :prevent_privilege_escalation
25 before_update :prevent_inactive_admin
26 before_update :verify_repositories_empty, :if => Proc.new { |user|
27 user.username.nil? and user.username_changed?
29 before_update :setup_on_activate
31 before_create :check_auto_admin
32 before_create :set_initial_username, :if => Proc.new { |user|
33 user.username.nil? and user.email
35 after_create :after_ownership_change
36 after_create :setup_on_activate
37 after_create :add_system_group_permission_link
38 after_create :auto_setup_new_user, :if => Proc.new { |user|
39 Rails.configuration.Users.AutoSetupNewUsers and
40 (user.uuid != system_user_uuid) and
41 (user.uuid != anonymous_user_uuid)
43 after_create :send_admin_notifications
45 before_update :before_ownership_change
46 after_update :after_ownership_change
47 after_update :send_profile_created_notification
48 after_update :sync_repository_names, :if => Proc.new { |user|
49 (user.uuid != system_user_uuid) and
50 user.username_changed? and
51 (not user.username_was.nil?)
53 after_destroy :clear_permissions
55 has_many :authorized_keys, :foreign_key => :authorized_user_uuid, :primary_key => :uuid
56 has_many :repositories, foreign_key: :owner_uuid, primary_key: :uuid
58 default_scope { where('redirect_to_user_uuid is null') }
60 api_accessible :user, extend: :common do |t|
74 ALL_PERMISSIONS = {read: true, write: true, manage: true}
76 # Map numeric permission levels (see lib/create_permission_view.sql)
77 # back to read/write/manage flags.
81 {read: true, write: true},
82 {read: true, write: true, manage: true}]
91 "#{first_name} #{last_name}".strip
96 Rails.configuration.Users.NewUsersAreActive ||
97 self.groups_i_can(:read).select { |x| x.match(/-f+$/) }.first)
100 def groups_i_can(verb)
101 my_groups = self.group_permissions(VAL_FOR_PERM[verb]).keys
103 my_groups << anonymous_group_uuid
109 return true if is_admin
110 actions.each do |action, target|
112 if target.respond_to? :uuid
113 target_uuid = target.uuid
116 target = ArvadosModel.find_by_uuid(target_uuid)
119 next if target_uuid == self.uuid
121 target_owner_uuid = target.owner_uuid if target.respond_to? :owner_uuid
123 unless ActiveRecord::Base.connection.
125 SELECT 1 FROM #{PERMISSION_VIEW}
126 WHERE user_uuid = $1 and
127 ((target_uuid = $2 and perm_level >= $3)
128 or (target_uuid = $4 and perm_level >= $3 and traverse_owned))
130 # "name" arg is a query label that appears in logs:
134 [nil, VAL_FOR_PERM[action]],
135 [nil, target_owner_uuid]]
143 def before_ownership_change
144 if owner_uuid_changed? and !self.owner_uuid_was.nil?
145 MaterializedPermission.where(user_uuid: owner_uuid_was, target_uuid: uuid).delete_all
146 User.update_permissions self.owner_uuid_was, self.uuid, 0, false
150 def after_ownership_change
152 # puts "Update permissions for #{uuid}"
154 # select * from materialized_permissions where user_uuid='#{uuid}'
156 puts "-1- #{uuid_changed?} and #{uuid} and #{uuid_was}"
157 puts "-2- #{owner_uuid_changed?} and #{owner_uuid} and #{owner_uuid_was}"
159 unless owner_uuid_changed?
163 # if !uuid_was.nil? and uuid_changed?
164 # puts "Cleaning house #{uuid_was}"
165 # ActiveRecord::Base.connection.exec_query %{
166 # update #{PERMISSION_VIEW} set user_uuid=$1 where user_uuid = $2
168 # 'Change user uuid',
171 # ActiveRecord::Base.connection.exec_query %{
172 # update #{PERMISSION_VIEW} set target_uuid=$1 where target_uuid = $2
174 # 'Change user uuid',
179 User.update_permissions self.owner_uuid, self.uuid, 3
183 # select * from materialized_permissions where user_uuid='#{uuid}'
188 def clear_permissions
189 MaterializedPermission.where("user_uuid = ? or target_uuid = ?", uuid, uuid).delete_all
192 def self.printdump qr
193 q1 = ActiveRecord::Base.connection.exec_query qr
199 def recompute_permissions
200 ActiveRecord::Base.connection.execute("DELETE FROM #{PERMISSION_VIEW} where user_uuid='#{uuid}'")
201 ActiveRecord::Base.connection.execute %{
202 INSERT INTO #{PERMISSION_VIEW}
203 select '#{uuid}', g.target_uuid, g.val, g.traverse_owned
204 from search_permission_graph('#{uuid}', 3) as g
208 def self.update_permissions perm_origin_uuid, starting_uuid, perm_level, check=true
209 # Update a subset of the permission graph
210 # perm_level is the inherited permission
211 # perm_level is a number from 0-3
215 # call with perm_level=0 to revoke permissions
217 # 1. Compute set (group, permission) implied by traversing
218 # graph starting at this group
219 # 2. Find links from outside the graph that point inside
220 # 3. For each starting uuid, get the set of permissions from the
221 # materialized permission table
222 # 3. Delete permissions from table not in our computed subset.
223 # 4. Upsert each permission in our subset (user, group, val)
226 puts "\n__ update_permissions __"
227 # puts "What's in there now for #{starting_uuid}"
229 # select * from materialized_permissions where user_uuid='#{starting_uuid}'
232 puts "search_permission_graph #{perm_origin_uuid} #{starting_uuid}, #{perm_level}"
234 select '#{perm_origin_uuid}'::varchar as perm_origin_uuid, target_uuid, val, traverse_owned from search_permission_graph('#{starting_uuid}', #{perm_level})
237 # puts "other_links #{perm_origin_uuid} #{starting_uuid}, #{perm_level}"
240 # perm_from_start(perm_origin_uuid, target_uuid, val, traverse_owned) as (
241 # select '#{perm_origin_uuid}'::varchar, target_uuid, val, traverse_owned
242 # from search_permission_graph('#{starting_uuid}'::varchar, #{perm_level}))
244 # select links.tail_uuid as perm_origin_uuid, links.head_uuid, links.name
246 # where links.link_class='permission' and
247 # links.tail_uuid not in (select target_uuid from perm_from_start where traverse_owned) and
248 # links.tail_uuid != '#{perm_origin_uuid}' and
249 # links.head_uuid in (select target_uuid from perm_from_start)
252 puts "additional_perms #{perm_origin_uuid} #{starting_uuid}, #{perm_level}"
255 perm_from_start(perm_origin_uuid, target_uuid, val, traverse_owned) as (
256 select '#{perm_origin_uuid}'::varchar, target_uuid, val, traverse_owned
257 from search_permission_graph('#{starting_uuid}'::varchar, #{perm_level})),
259 edges(tail_uuid, head_uuid, val) as (
260 select * from permission_graph_edges()),
262 additional_perms(perm_origin_uuid, target_uuid, val, traverse_owned) as (
263 select edges.tail_uuid as perm_origin_uuid, ps.target_uuid, ps.val,
264 should_traverse_owned(ps.target_uuid, ps.val)
265 from edges, lateral search_permission_graph(edges.head_uuid, edges.val) as ps
266 where (not (edges.tail_uuid = '#{perm_origin_uuid}' and
267 edges.head_uuid = '#{starting_uuid}')) and
268 edges.tail_uuid not in (select target_uuid from perm_from_start) and
269 edges.head_uuid in (select target_uuid from perm_from_start)),
271 partial_perms(perm_origin_uuid, target_uuid, val, traverse_owned) as (
272 select * from perm_from_start
274 select * from additional_perms
277 user_identity_perms(perm_origin_uuid, target_uuid, val, traverse_owned) as (
278 select users.uuid as perm_origin_uuid, ps.target_uuid, ps.val, ps.traverse_owned
279 from users, lateral search_permission_graph(users.uuid, 3) as ps
280 where (users.owner_uuid not in (select target_uuid from partial_perms) or
281 users.owner_uuid = users.uuid) and
282 users.uuid in (select target_uuid from partial_perms)
285 all_perms(perm_origin_uuid, target_uuid, val, traverse_owned) as (
286 select * from additional_perms
288 select * from user_identity_perms
291 select * from all_perms order by perm_origin_uuid, target_uuid
296 select * from compute_permission_subgraph('#{perm_origin_uuid}', '#{starting_uuid}', '#{perm_level}')
297 order by user_uuid, target_uuid
301 temptable_perms = "temp_perms_#{rand(2**64).to_s(10)}"
302 ActiveRecord::Base.connection.exec_query %{
303 create temporary table #{temptable_perms} on commit drop
304 as select * from compute_permission_subgraph($1, $2, $3)
306 'Group.search_permissions',
307 [[nil, perm_origin_uuid],
308 [nil, starting_uuid],
311 # q1 = ActiveRecord::Base.connection.exec_query %{
312 # select * from #{temptable_perms} order by user_uuid, target_uuid
314 # puts "recomputed perms was #{perm_origin_uuid} #{starting_uuid}, #{perm_level}"
320 ActiveRecord::Base.connection.exec_query %{
321 delete from materialized_permissions where
322 target_uuid in (select target_uuid from #{temptable_perms}) and
323 not exists (select 1 from #{temptable_perms}
324 where target_uuid=materialized_permissions.target_uuid and
325 user_uuid=materialized_permissions.user_uuid and
329 ActiveRecord::Base.connection.exec_query %{
330 insert into materialized_permissions (user_uuid, target_uuid, perm_level, traverse_owned)
331 select user_uuid, target_uuid, val as perm_level, traverse_owned from #{temptable_perms} where val>0
332 on conflict (user_uuid, target_uuid) do update set perm_level=EXCLUDED.perm_level, traverse_owned=EXCLUDED.traverse_owned;
335 # for testing only - make a copy of the table and compare it to the one generated
336 # using a full permission recompute
340 # select owner_uuid, uuid from users order by uuid
343 # select * from groups
346 #select * from search_permission_graph('zzzzz-tpzed-000000000000000', 3)
351 q1 = ActiveRecord::Base.connection.exec_query %{
352 select user_uuid, target_uuid, perm_level, traverse_owned from materialized_permissions
353 order by user_uuid, target_uuid
356 q2 = ActiveRecord::Base.connection.exec_query %{
357 select users.uuid as user_uuid, g.target_uuid, g.val as perm_level, g.traverse_owned
358 from users, lateral search_permission_graph(users.uuid, 3) as g where g.val > 0
359 order by users.uuid, target_uuid
362 if q1.count != q2.count
363 puts "Didn't match incremental+: #{q1.count} != full refresh-: #{q2.count}"
366 if q1.count > q2.count
367 q1.each_with_index do |r, i|
369 puts "+#{r}\n-#{q2[i]}"
374 q2.each_with_index do |r, i|
376 puts "+#{q1[i]}\n-#{r}"
384 # Return a hash of {user_uuid: group_perms}
385 def self.all_group_permissions
387 ActiveRecord::Base.connection.
388 exec_query("SELECT user_uuid, target_uuid, perm_level
389 FROM #{PERMISSION_VIEW}
390 WHERE traverse_owned",
391 # "name" arg is a query label that appears in logs:
392 "all_group_permissions").
393 rows.each do |user_uuid, group_uuid, max_p_val|
394 all_perms[user_uuid] ||= {}
395 all_perms[user_uuid][group_uuid] = PERMS_FOR_VAL[max_p_val.to_i]
400 # Return a hash of {group_uuid: perm_hash} where perm_hash[:read]
401 # and perm_hash[:write] are true if this user can read and write
402 # objects owned by group_uuid.
403 def group_permissions(level=1)
405 ActiveRecord::Base.connection.
407 SELECT target_uuid, perm_level
408 FROM #{PERMISSION_VIEW}
409 WHERE user_uuid = $1 and perm_level >= $2
411 # "name" arg is a query label that appears in logs:
412 "group_permissions_for_user",
413 # "binds" arg is an array of [col_id, value] for '$1' vars:
416 rows.each do |group_uuid, max_p_val|
417 group_perms[group_uuid] = PERMS_FOR_VAL[max_p_val.to_i]
423 def setup(repo_name: nil, vm_uuid: nil)
424 repo_perm = create_user_repo_link repo_name
425 vm_login_perm = create_vm_login_permission_link(vm_uuid, username) if vm_uuid
426 group_perm = create_user_group_link
428 return [repo_perm, vm_login_perm, group_perm, self].compact
431 # delete user signatures, login, repo, and vm perms, and mark as inactive
433 # delete oid_login_perms for this user
435 # note: these permission links are obsolete, they have no effect
436 # on anything and they are not created for new users.
437 Link.where(tail_uuid: self.email,
438 link_class: 'permission',
439 name: 'can_login').destroy_all
441 # delete repo_perms for this user
442 Link.where(tail_uuid: self.uuid,
443 link_class: 'permission',
444 name: 'can_manage').destroy_all
446 # delete vm_login_perms for this user
447 Link.where(tail_uuid: self.uuid,
448 link_class: 'permission',
449 name: 'can_login').destroy_all
451 # delete "All users" group read permissions for this user
452 group = Group.where(name: 'All users').select do |g|
453 g[:uuid].match(/-f+$/)
455 Link.where(tail_uuid: self.uuid,
456 head_uuid: group[:uuid],
457 link_class: 'permission',
458 name: 'can_read').destroy_all
460 # delete any signatures by this user
461 Link.where(link_class: 'signature',
462 tail_uuid: self.uuid).destroy_all
464 # delete user preferences (including profile)
467 # mark the user as inactive
468 self.is_active = false
472 def must_unsetup_to_deactivate
473 if self.is_active_changed? &&
474 self.is_active_was == true &&
477 group = Group.where(name: 'All users').select do |g|
478 g[:uuid].match(/-f+$/)
481 # When a user is set up, they are added to the "All users"
482 # group. A user that is part of the "All users" group is
483 # allowed to self-activate.
485 # It doesn't make sense to deactivate a user (set is_active =
486 # false) without first removing them from the "All users" group,
487 # because they would be able to immediately reactivate
490 # The 'unsetup' method removes the user from the "All users"
491 # group (and also sets is_active = false) so send a message
492 # explaining the correct way to deactivate a user.
494 if Link.where(tail_uuid: self.uuid,
495 head_uuid: group[:uuid],
496 link_class: 'permission',
497 name: 'can_read').any?
498 errors.add :is_active, "cannot be set to false directly, use the 'Deactivate' button on Workbench, or the 'unsetup' API call"
503 def set_initial_username(requested: false)
504 if !requested.is_a?(String) || requested.empty?
505 email_parts = email.partition("@")
506 local_parts = email_parts.first.partition("+")
507 if email_parts.any?(&:empty?)
509 elsif not local_parts.first.empty?
510 requested = local_parts.first
512 requested = email_parts.first
515 requested.sub!(/^[^A-Za-z]+/, "")
516 requested.gsub!(/[^A-Za-z0-9]/, "")
517 unless requested.empty?
518 self.username = find_usable_username_from(requested)
522 def update_uuid(new_uuid:)
523 if !current_user.andand.is_admin
524 raise PermissionDeniedError
526 if uuid == system_user_uuid || uuid == anonymous_user_uuid
527 raise "update_uuid cannot update system accounts"
529 if self.class != self.class.resource_class_for_uuid(new_uuid)
530 raise "invalid new_uuid #{new_uuid.inspect}"
532 transaction(requires_new: true) do
536 save!(validate: false)
537 change_all_uuid_refs(old_uuid: old_uuid, new_uuid: new_uuid)
538 ActiveRecord::Base.connection.exec_query %{
539 update #{PERMISSION_VIEW} set user_uuid=$1 where user_uuid = $2
544 ActiveRecord::Base.connection.exec_query %{
545 update #{PERMISSION_VIEW} set target_uuid=$1 where target_uuid = $2
547 'Change target uuid',
553 # Move this user's (i.e., self's) owned items to new_owner_uuid and
554 # new_user_uuid (for things normally owned directly by the user).
556 # If redirect_auth is true, also reassign auth tokens and ssh keys,
557 # and redirect this account to redirect_to_user_uuid, i.e., when a
558 # caller authenticates to this account in the future, the account
559 # redirect_to_user_uuid account will be used instead.
561 # current_user must have admin privileges, i.e., the caller is
562 # responsible for checking permission to do this.
563 def merge(new_owner_uuid:, new_user_uuid:, redirect_to_new_user:)
564 raise PermissionDeniedError if !current_user.andand.is_admin
565 raise "Missing new_owner_uuid" if !new_owner_uuid
566 raise "Missing new_user_uuid" if !new_user_uuid
567 transaction(requires_new: true) do
569 raise "cannot merge an already merged user" if self.redirect_to_user_uuid
571 new_user = User.where(uuid: new_user_uuid).first
572 raise "user does not exist" if !new_user
573 raise "cannot merge to an already merged user" if new_user.redirect_to_user_uuid
575 # If 'self' is a remote user, don't transfer authorizations
576 # (i.e. ability to access the account) to the new user, because
577 # that gives the remote site the ability to access the 'new'
578 # user account that takes over the 'self' account.
580 # If 'self' is a local user, it is okay to transfer
581 # authorizations, even if the 'new' user is a remote account,
582 # because the remote site does not gain the ability to access an
583 # account it could not before.
585 if redirect_to_new_user and self.uuid[0..4] == Rails.configuration.ClusterID
586 # Existing API tokens and ssh keys are updated to authenticate
588 ApiClientAuthorization.
590 update_all(user_id: new_user.id)
593 [AuthorizedKey, :owner_uuid],
594 [AuthorizedKey, :authorized_user_uuid],
600 # Destroy API tokens and ssh keys associated with the old
602 ApiClientAuthorization.where(user_id: id).destroy_all
603 AuthorizedKey.where(owner_uuid: uuid).destroy_all
604 AuthorizedKey.where(authorized_user_uuid: uuid).destroy_all
611 # References to the old user UUID in the context of a user ID
612 # (rather than a "home project" in the project hierarchy) are
613 # updated to point to the new user.
614 user_updates.each do |klass, column|
615 klass.where(column => uuid).update_all(column => new_user.uuid)
618 # Need to update repository names to new username
620 old_repo_name_re = /^#{Regexp.escape(username)}\//
621 Repository.where(:owner_uuid => uuid).each do |repo|
622 repo.owner_uuid = new_user.uuid
623 repo_name_sub = "#{new_user.username}/"
624 name = repo.name.sub(old_repo_name_re, repo_name_sub)
625 while (conflict = Repository.where(:name => name).first) != nil
626 repo_name_sub += "migrated"
627 name = repo.name.sub(old_repo_name_re, repo_name_sub)
634 # References to the merged user's "home project" are updated to
635 # point to new_owner_uuid.
636 ActiveRecord::Base.descendants.reject(&:abstract_class?).each do |klass|
637 next if [ApiClientAuthorization,
641 Repository].include?(klass)
642 next if !klass.columns.collect(&:name).include?('owner_uuid')
643 klass.where(owner_uuid: uuid).update_all(owner_uuid: new_owner_uuid)
646 if redirect_to_new_user
647 update_attributes!(redirect_to_user_uuid: new_user.uuid, username: nil)
649 self.recompute_permissions
650 new_user.recompute_permissions
657 while (uuid = user.redirect_to_user_uuid)
659 nextuser = User.unscoped.find_by_uuid(uuid)
661 raise Exception.new("user uuid #{user.uuid} redirects to nonexistent uuid '#{uuid}'")
666 raise "Starting from #{self.uuid} redirect_to_user_uuid exceeded maximum number of redirects"
672 def self.register info
673 # login info expected fields, all can be optional but at minimum
674 # must supply either 'identity_url' or 'email'
686 identity_url = info['identity_url']
688 if identity_url && identity_url.length > 0
689 # Only local users can create sessions, hence uuid_like_pattern
691 user = User.unscoped.where('identity_url = ? and uuid like ?',
693 User.uuid_like_pattern).first
694 primary_user = user.redirects_to if user
698 # identity url is unset or didn't find matching record.
699 emails = [info['email']] + (info['alternate_emails'] || [])
700 emails.select! {|em| !em.nil? && !em.empty?}
702 User.unscoped.where('email in (?) and uuid like ?',
704 User.uuid_like_pattern).each do |user|
706 primary_user = user.redirects_to
707 elsif primary_user.uuid != user.redirects_to.uuid
708 raise "Ambiguous email address, directs to both #{primary_user.uuid} and #{user.redirects_to.uuid}"
714 # New user registration
715 primary_user = User.new(:owner_uuid => system_user_uuid,
717 :is_active => Rails.configuration.Users.NewUsersAreActive)
719 primary_user.set_initial_username(requested: info['username']) if info['username'] && !info['username'].blank?
720 primary_user.identity_url = info['identity_url'] if identity_url
723 primary_user.email = info['email'] if info['email']
724 primary_user.first_name = info['first_name'] if info['first_name']
725 primary_user.last_name = info['last_name'] if info['last_name']
727 if (!primary_user.email or primary_user.email.empty?) and (!primary_user.identity_url or primary_user.identity_url.empty?)
728 raise "Must have supply at least one of 'email' or 'identity_url' to User.register"
731 act_as_system_user do
740 def change_all_uuid_refs(old_uuid:, new_uuid:)
741 ActiveRecord::Base.descendants.reject(&:abstract_class?).each do |klass|
742 klass.columns.each do |col|
743 if col.name.end_with?('_uuid')
744 column = col.name.to_sym
745 klass.where(column => old_uuid).update_all(column => new_uuid)
751 def ensure_ownership_path_leads_to_user
755 def permission_to_update
756 if username_changed? || redirect_to_user_uuid_changed? || email_changed?
757 current_user.andand.is_admin
759 # users must be able to update themselves (even if they are
760 # inactive) in order to create sessions
761 self == current_user or super
765 def permission_to_create
766 current_user.andand.is_admin or
767 (self == current_user &&
768 self.redirect_to_user_uuid.nil? &&
769 self.is_active == Rails.configuration.Users.NewUsersAreActive)
773 return if self.uuid.end_with?('anonymouspublic')
774 if (User.where("email = ?",self.email).where(:is_admin => true).count == 0 and
775 !Rails.configuration.Users.AutoAdminUserWithEmail.empty? and self.email == Rails.configuration.Users["AutoAdminUserWithEmail"]) or
776 (User.where("uuid not like '%-000000000000000'").where(:is_admin => true).count == 0 and
777 Rails.configuration.Users.AutoAdminFirstUser)
779 self.is_active = true
783 def find_usable_username_from(basename)
784 # If "basename" is a usable username, return that.
785 # Otherwise, find a unique username "basenameN", where N is the
786 # smallest integer greater than 1, and return that.
787 # Return nil if a unique username can't be found after reasonable
789 quoted_name = self.class.connection.quote_string(basename)
790 next_username = basename
792 while Rails.configuration.Users.AutoSetupUsernameBlacklist[next_username]
794 next_username = "%s%i" % [basename, next_suffix]
796 0.upto(6).each do |suffix_len|
797 pattern = "%s%s" % [quoted_name, "_" * suffix_len]
799 where("username like '#{pattern}'").
801 order('username asc').
803 if other_user.username > next_username
805 elsif other_user.username == next_username
807 next_username = "%s%i" % [basename, next_suffix]
810 return next_username if (next_username.size <= pattern.size)
815 def prevent_privilege_escalation
816 if current_user.andand.is_admin
819 if self.is_active_changed?
820 if self.is_active != self.is_active_was
821 logger.warn "User #{current_user.uuid} tried to change is_active from #{self.is_active_was} to #{self.is_active} for #{self.uuid}"
822 self.is_active = self.is_active_was
825 if self.is_admin_changed?
826 if self.is_admin != self.is_admin_was
827 logger.warn "User #{current_user.uuid} tried to change is_admin from #{self.is_admin_was} to #{self.is_admin} for #{self.uuid}"
828 self.is_admin = self.is_admin_was
834 def prevent_inactive_admin
835 if self.is_admin and not self.is_active
836 # There is no known use case for the strange set of permissions
837 # that would result from this change. It's safest to assume it's
838 # a mistake and disallow it outright.
839 raise "Admin users cannot be inactive"
844 def search_permissions(start, graph, merged={}, upstream_mask=nil, upstream_path={})
845 nextpaths = graph[start]
846 return merged if !nextpaths
847 return merged if upstream_path.has_key? start
848 upstream_path[start] = true
849 upstream_mask ||= ALL_PERMISSIONS
850 nextpaths.each do |head, mask|
853 merged[head][k] ||= v if upstream_mask[k]
855 search_permissions(head, graph, merged, upstream_mask.select { |k,v| v && merged[head][k] }, upstream_path)
857 upstream_path.delete start
861 def create_user_repo_link(repo_name)
862 # repo_name is optional
864 logger.warn ("Repository name not given for #{self.uuid}.")
868 repo = Repository.where(owner_uuid: uuid, name: repo_name).first_or_create!
869 logger.info { "repo uuid: " + repo[:uuid] }
870 repo_perm = Link.where(tail_uuid: uuid, head_uuid: repo.uuid,
871 link_class: "permission",
872 name: "can_manage").first_or_create!
873 logger.info { "repo permission: " + repo_perm[:uuid] }
877 # create login permission for the given vm_uuid, if it does not already exist
878 def create_vm_login_permission_link(vm_uuid, repo_name)
879 # vm uuid is optional
880 return if vm_uuid == ""
882 vm = VirtualMachine.where(uuid: vm_uuid).first
884 logger.warn "Could not find virtual machine for #{vm_uuid.inspect}"
885 raise "No vm found for #{vm_uuid}"
888 logger.info { "vm uuid: " + vm[:uuid] }
890 tail_uuid: uuid, head_uuid: vm.uuid,
891 link_class: "permission", name: "can_login",
896 select { |link| link.properties["username"] == repo_name }.
900 create(login_attrs.merge(properties: {"username" => repo_name}))
902 logger.info { "login permission: " + login_perm[:uuid] }
906 # add the user to the 'All users' group
907 def create_user_group_link
908 #puts "In create_user_group_link"
909 return (Link.where(tail_uuid: self.uuid,
910 head_uuid: all_users_group[:uuid],
911 link_class: 'permission',
912 name: 'can_read').first or
913 Link.create(tail_uuid: self.uuid,
914 head_uuid: all_users_group[:uuid],
915 link_class: 'permission',
919 # Give the special "System group" permission to manage this user and
920 # all of this user's stuff.
921 def add_system_group_permission_link
922 return true if uuid == system_user_uuid
923 act_as_system_user do
924 Link.create(link_class: 'permission',
926 tail_uuid: system_group_uuid,
927 head_uuid: self.uuid)
931 # Send admin notifications
932 def send_admin_notifications
933 AdminNotifier.new_user(self).deliver_now
934 if not self.is_active then
935 AdminNotifier.new_inactive_user(self).deliver_now
939 # Automatically setup if is_active flag turns on
940 def setup_on_activate
941 return if [system_user_uuid, anonymous_user_uuid].include?(self.uuid)
942 if is_active && (new_record? || is_active_changed?)
947 # Automatically setup new user during creation
948 def auto_setup_new_user
951 create_vm_login_permission_link(Rails.configuration.Users.AutoSetupNewUsersWithVmUUID,
953 repo_name = "#{username}/#{username}"
954 if Rails.configuration.Users.AutoSetupNewUsersWithRepository and
955 Repository.where(name: repo_name).first.nil?
956 repo = Repository.create!(name: repo_name, owner_uuid: uuid)
957 Link.create!(tail_uuid: uuid, head_uuid: repo.uuid,
958 link_class: "permission", name: "can_manage")
963 # Send notification if the user saved profile for the first time
964 def send_profile_created_notification
965 if self.prefs_changed?
966 if self.prefs_was.andand.empty? || !self.prefs_was.andand['profile']
967 profile_notification_address = Rails.configuration.Users.UserProfileNotificationAddress
968 ProfileNotifier.profile_created(self, profile_notification_address).deliver_now if profile_notification_address and !profile_notification_address.empty?
973 def verify_repositories_empty
974 unless repositories.first.nil?
975 errors.add(:username, "can't be unset when the user owns repositories")
980 def sync_repository_names
981 old_name_re = /^#{Regexp.escape(username_was)}\//
982 name_sub = "#{username}/"
983 repositories.find_each do |repo|
984 repo.name = repo.name.sub(old_name_re, name_sub)