summaryrefslogtreecommitdiff
path: root/app/models/group.rb
blob: c0f145997ccf87195f10cfaa5695e3c23ffcb5f7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
# frozen_string_literal: true

require 'carrierwave/orm/activerecord'

class Group < Namespace
  include Gitlab::ConfigHelper
  include AfterCommitQueue
  include AccessRequestable
  include Avatarable
  include Referable
  include SelectForProjectAuthorization
  include LoadedInGroupList
  include GroupDescendant
  include TokenAuthenticatable
  include WithUploads
  include Gitlab::Utils::StrongMemoize
  include GroupAPICompatibility

  ACCESS_REQUEST_APPROVERS_TO_BE_NOTIFIED_LIMIT = 10

  UpdateSharedRunnersError = Class.new(StandardError)

  has_many :all_group_members, -> { where(requested_at: nil) }, dependent: :destroy, as: :source, class_name: 'GroupMember' # rubocop:disable Cop/ActiveRecordDependent
  has_many :group_members, -> { where(requested_at: nil).where.not(members: { access_level: Gitlab::Access::MINIMAL_ACCESS }) }, dependent: :destroy, as: :source # rubocop:disable Cop/ActiveRecordDependent
  alias_method :members, :group_members

  has_many :users, through: :group_members
  has_many :owners,
    -> { where(members: { access_level: Gitlab::Access::OWNER }) },
    through: :group_members,
    source: :user

  has_many :requesters, -> { where.not(requested_at: nil) }, dependent: :destroy, as: :source, class_name: 'GroupMember' # rubocop:disable Cop/ActiveRecordDependent
  has_many :members_and_requesters, as: :source, class_name: 'GroupMember'

  has_many :milestones
  has_many :iterations
  has_many :services
  has_many :shared_group_links, foreign_key: :shared_with_group_id, class_name: 'GroupGroupLink'
  has_many :shared_with_group_links, foreign_key: :shared_group_id, class_name: 'GroupGroupLink'
  has_many :shared_groups, through: :shared_group_links, source: :shared_group
  has_many :shared_with_groups, through: :shared_with_group_links, source: :shared_with_group
  has_many :project_group_links, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
  has_many :shared_projects, through: :project_group_links, source: :project

  # Overridden on another method
  # Left here just to be dependent: :destroy
  has_many :notification_settings, dependent: :destroy, as: :source # rubocop:disable Cop/ActiveRecordDependent

  has_many :labels, class_name: 'GroupLabel'
  has_many :variables, class_name: 'Ci::GroupVariable'
  has_many :custom_attributes, class_name: 'GroupCustomAttribute'

  has_many :boards
  has_many :badges, class_name: 'GroupBadge'

  has_many :cluster_groups, class_name: 'Clusters::Group'
  has_many :clusters, through: :cluster_groups, class_name: 'Clusters::Cluster'

  has_many :container_repositories, through: :projects

  has_many :todos

  has_one :import_export_upload

  has_many :import_failures, inverse_of: :group

  has_one :import_state, class_name: 'GroupImportState', inverse_of: :group

  has_many :group_deploy_keys_groups, inverse_of: :group
  has_many :group_deploy_keys, through: :group_deploy_keys_groups
  has_many :group_deploy_tokens
  has_many :deploy_tokens, through: :group_deploy_tokens

  accepts_nested_attributes_for :variables, allow_destroy: true

  validate :visibility_level_allowed_by_projects
  validate :visibility_level_allowed_by_sub_groups
  validate :visibility_level_allowed_by_parent
  validates :variables, variable_duplicates: true

  validates :two_factor_grace_period, presence: true, numericality: { greater_than_or_equal_to: 0 }

  validates :name,
            html_safety: true,
            format: { with: Gitlab::Regex.group_name_regex,
                      message: Gitlab::Regex.group_name_regex_message },
            if: :name_changed?

  add_authentication_token_field :runners_token, encrypted: -> { Feature.enabled?(:groups_tokens_optional_encryption, default_enabled: true) ? :optional : :required }

  after_create :post_create_hook
  after_destroy :post_destroy_hook
  after_save :update_two_factor_requirement
  after_update :path_changed_hook, if: :saved_change_to_path?

  scope :with_users, -> { includes(:users) }

  scope :by_id, ->(groups) { where(id: groups) }

  class << self
    def sort_by_attribute(method)
      if method == 'storage_size_desc'
        # storage_size is a virtual column so we need to
        # pass a string to avoid AR adding the table name
        reorder('storage_size DESC, namespaces.id DESC')
      else
        order_by(method)
      end
    end

    def reference_prefix
      User.reference_prefix
    end

    def reference_pattern
      User.reference_pattern
    end

    # WARNING: This method should never be used on its own
    # please do make sure the number of rows you are filtering is small
    # enough for this query
    def public_or_visible_to_user(user)
      return public_to_user unless user

      public_for_user = public_to_user_arel(user)
      visible_for_user = visible_to_user_arel(user)
      public_or_visible = public_for_user.or(visible_for_user)

      where(public_or_visible)
    end

    def select_for_project_authorization
      if current_scope.joins_values.include?(:shared_projects)
        joins('INNER JOIN namespaces project_namespace ON project_namespace.id = projects.namespace_id')
          .where('project_namespace.share_with_group_lock = ?', false)
          .select("projects.id AS project_id, LEAST(project_group_links.group_access, members.access_level) AS access_level")
      else
        super
      end
    end

    private

    def public_to_user_arel(user)
      self.arel_table[:visibility_level]
        .in(Gitlab::VisibilityLevel.levels_for_user(user))
    end

    def visible_to_user_arel(user)
      groups_table = self.arel_table
      authorized_groups = user.authorized_groups.arel.as('authorized')

      groups_table.project(1)
        .from(authorized_groups)
        .where(authorized_groups[:id].eq(groups_table[:id]))
        .exists
    end
  end

  # Overrides notification_settings has_many association
  # This allows to apply notification settings from parent groups
  # to child groups and projects.
  def notification_settings(hierarchy_order: nil)
    source_type = self.class.base_class.name
    settings = NotificationSetting.where(source_type: source_type, source_id: self_and_ancestors_ids)

    return settings unless hierarchy_order && self_and_ancestors_ids.length > 1

    settings
      .joins("LEFT JOIN (#{self_and_ancestors(hierarchy_order: hierarchy_order).to_sql}) AS ordered_groups ON notification_settings.source_id = ordered_groups.id")
      .select('notification_settings.*, ordered_groups.depth AS depth')
      .order("ordered_groups.depth #{hierarchy_order}")
  end

  def notification_settings_for(user, hierarchy_order: nil)
    notification_settings(hierarchy_order: hierarchy_order).where(user: user)
  end

  def packages_feature_enabled?
    ::Gitlab.config.packages.enabled
  end

  def notification_email_for(user)
    # Finds the closest notification_setting with a `notification_email`
    notification_settings = notification_settings_for(user, hierarchy_order: :asc)
    notification_settings.find { |n| n.notification_email.present? }&.notification_email
  end

  def to_reference(_from = nil, target_project: nil, full: nil)
    "#{self.class.reference_prefix}#{full_path}"
  end

  def web_url(only_path: nil)
    Gitlab::UrlBuilder.build(self, only_path: only_path)
  end

  def human_name
    full_name
  end

  def visibility_level_allowed_by_parent?(level = self.visibility_level)
    return true unless parent_id && parent_id.nonzero?

    level <= parent.visibility_level
  end

  def visibility_level_allowed_by_projects?(level = self.visibility_level)
    !projects.where('visibility_level > ?', level).exists?
  end

  def visibility_level_allowed_by_sub_groups?(level = self.visibility_level)
    !children.where('visibility_level > ?', level).exists?
  end

  def visibility_level_allowed?(level = self.visibility_level)
    visibility_level_allowed_by_parent?(level) &&
      visibility_level_allowed_by_projects?(level) &&
      visibility_level_allowed_by_sub_groups?(level)
  end

  def lfs_enabled?
    return false unless Gitlab.config.lfs.enabled
    return Gitlab.config.lfs.enabled if self[:lfs_enabled].nil?

    self[:lfs_enabled]
  end

  def owned_by?(user)
    owners.include?(user)
  end

  def add_users(users, access_level, current_user: nil, expires_at: nil)
    GroupMember.add_users(
      self,
      users,
      access_level,
      current_user: current_user,
      expires_at: expires_at
    )
  end

  def add_user(user, access_level, current_user: nil, expires_at: nil, ldap: false)
    GroupMember.add_user(
      self,
      user,
      access_level,
      current_user: current_user,
      expires_at: expires_at,
      ldap: ldap
    )
  end

  def add_guest(user, current_user = nil)
    add_user(user, :guest, current_user: current_user)
  end

  def add_reporter(user, current_user = nil)
    add_user(user, :reporter, current_user: current_user)
  end

  def add_developer(user, current_user = nil)
    add_user(user, :developer, current_user: current_user)
  end

  def add_maintainer(user, current_user = nil)
    add_user(user, :maintainer, current_user: current_user)
  end

  def add_owner(user, current_user = nil)
    add_user(user, :owner, current_user: current_user)
  end

  def member?(user, min_access_level = Gitlab::Access::GUEST)
    return false unless user

    max_member_access_for_user(user) >= min_access_level
  end

  def has_owner?(user)
    return false unless user

    members_with_parents.owners.exists?(user_id: user)
  end

  def has_maintainer?(user)
    return false unless user

    members_with_parents.maintainers.exists?(user_id: user)
  end

  def has_container_repository_including_subgroups?
    ::ContainerRepository.for_group_and_its_subgroups(self).exists?
  end

  # Check if user is a last owner of the group.
  def last_owner?(user)
    has_owner?(user) && members_with_parents.owners.size == 1
  end

  def ldap_synced?
    false
  end

  def post_create_hook
    Gitlab::AppLogger.info("Group \"#{name}\" was created")

    system_hook_service.execute_hooks_for(self, :create)
  end

  def post_destroy_hook
    Gitlab::AppLogger.info("Group \"#{name}\" was removed")

    system_hook_service.execute_hooks_for(self, :destroy)
  end

  # rubocop: disable CodeReuse/ServiceClass
  def system_hook_service
    SystemHooksService.new
  end
  # rubocop: enable CodeReuse/ServiceClass

  # rubocop: disable CodeReuse/ServiceClass
  def refresh_members_authorized_projects(blocking: true, priority: UserProjectAccessChangedService::HIGH_PRIORITY)
    UserProjectAccessChangedService
      .new(user_ids_for_project_authorizations)
      .execute(blocking: blocking, priority: priority)
  end
  # rubocop: enable CodeReuse/ServiceClass

  def user_ids_for_project_authorizations
    members_with_parents.pluck(:user_id)
  end

  def self_and_ancestors_ids
    strong_memoize(:self_and_ancestors_ids) do
      self_and_ancestors.pluck(:id)
    end
  end

  def members_with_parents
    # Avoids an unnecessary SELECT when the group has no parents
    source_ids =
      if has_parent?
        self_and_ancestors.reorder(nil).select(:id)
      else
        id
      end

    group_hierarchy_members = GroupMember.active_without_invites_and_requests
                                         .where(source_id: source_ids)

    GroupMember.from_union([group_hierarchy_members,
                            members_from_self_and_ancestor_group_shares])
  end

  def members_from_self_and_ancestors_with_effective_access_level
    members_with_parents.select([:user_id, 'MAX(access_level) AS access_level'])
                        .group(:user_id)
  end

  def members_with_descendants
    GroupMember
      .active_without_invites_and_requests
      .where(source_id: self_and_descendants.reorder(nil).select(:id))
  end

  # Returns all members that are part of the group, it's subgroups, and ancestor groups
  def direct_and_indirect_members
    GroupMember
      .active_without_invites_and_requests
      .where(source_id: self_and_hierarchy.reorder(nil).select(:id))
  end

  def users_with_parents
    User
      .where(id: members_with_parents.select(:user_id))
      .reorder(nil)
  end

  def users_with_descendants
    User
      .where(id: members_with_descendants.select(:user_id))
      .reorder(nil)
  end

  # Returns all users that are members of the group because:
  # 1. They belong to the group
  # 2. They belong to a project that belongs to the group
  # 3. They belong to a sub-group or project in such sub-group
  # 4. They belong to an ancestor group
  def direct_and_indirect_users
    User.from_union([
      User
        .where(id: direct_and_indirect_members.select(:user_id))
        .reorder(nil),
      project_users_with_descendants
    ])
  end

  def users_count
    members.count
  end

  # Returns all users that are members of projects
  # belonging to the current group or sub-groups
  def project_users_with_descendants
    User
      .joins(projects: :group)
      .where(namespaces: { id: self_and_descendants.select(:id) })
  end

  # Return the highest access level for a user
  #
  # A special case is handled here when the user is a GitLab admin
  # which implies it has "OWNER" access everywhere, but should not
  # officially appear as a member of a group unless specifically added to it
  #
  # @param user [User]
  # @param only_concrete_membership [Bool] whether require admin concrete membership status
  def max_member_access_for_user(user, only_concrete_membership: false)
    return GroupMember::NO_ACCESS unless user
    return GroupMember::OWNER if user.admin? && !only_concrete_membership

    max_member_access = members_with_parents.where(user_id: user)
                                            .reorder(access_level: :desc)
                                            .first
                                            &.access_level

    max_member_access || GroupMember::NO_ACCESS
  end

  def mattermost_team_params
    max_length = 59

    {
      name: path[0..max_length],
      display_name: name[0..max_length],
      type: public? ? 'O' : 'I' # Open vs Invite-only
    }
  end

  def ci_variables_for(ref, project)
    cache_key = "ci_variables_for:group:#{self&.id}:project:#{project&.id}:ref:#{ref}"

    ::Gitlab::SafeRequestStore.fetch(cache_key) do
      list_of_ids = [self] + ancestors
      variables = Ci::GroupVariable.where(group: list_of_ids)
      variables = variables.unprotected unless project.protected_for?(ref)
      variables = variables.group_by(&:group_id)
      list_of_ids.reverse.flat_map { |group| variables[group.id] }.compact
    end
  end

  def group_member(user)
    if group_members.loaded?
      group_members.find { |gm| gm.user_id == user.id }
    else
      group_members.find_by(user_id: user)
    end
  end

  def highest_group_member(user)
    GroupMember.where(source_id: self_and_ancestors_ids, user_id: user.id).order(:access_level).last
  end

  def related_group_ids
    [id,
     *ancestors.pluck(:id),
     *shared_with_group_links.pluck(:shared_with_group_id)]
  end

  def hashed_storage?(_feature)
    false
  end

  def refresh_project_authorizations
    refresh_members_authorized_projects(blocking: false)
  end

  # each existing group needs to have a `runners_token`.
  # we do this on read since migrating all existing groups is not a feasible
  # solution.
  def runners_token
    ensure_runners_token!
  end

  def project_creation_level
    super || ::Gitlab::CurrentSettings.default_project_creation
  end

  def subgroup_creation_level
    super || ::Gitlab::Access::OWNER_SUBGROUP_ACCESS
  end

  def access_request_approvers_to_be_notified
    members.owners.order_recent_sign_in.limit(ACCESS_REQUEST_APPROVERS_TO_BE_NOTIFIED_LIMIT)
  end

  def supports_events?
    false
  end

  def export_file_exists?
    export_file&.file
  end

  def export_file
    import_export_upload&.export_file
  end

  def adjourned_deletion?
    false
  end

  def execute_hooks(data, hooks_scope)
    # NOOP
    # TODO: group hooks https://gitlab.com/gitlab-org/gitlab/-/issues/216904
  end

  def execute_services(data, hooks_scope)
    # NOOP
    # TODO: group hooks https://gitlab.com/gitlab-org/gitlab/-/issues/216904
  end

  def preload_shared_group_links
    preloader = ActiveRecord::Associations::Preloader.new
    preloader.preload(self, shared_with_group_links: [shared_with_group: :route])
  end

  def shared_runners_allowed?
    shared_runners_enabled? || allow_descendants_override_disabled_shared_runners?
  end

  def parent_allows_shared_runners?
    return true unless has_parent?

    parent.shared_runners_allowed?
  end

  def parent_enabled_shared_runners?
    return true unless has_parent?

    parent.shared_runners_enabled?
  end

  def enable_shared_runners!
    raise UpdateSharedRunnersError, 'Shared Runners disabled for the parent group' unless parent_enabled_shared_runners?

    update_column(:shared_runners_enabled, true)
  end

  def disable_shared_runners!
    group_ids = self_and_descendants
    return if group_ids.empty?

    Group.by_id(group_ids).update_all(shared_runners_enabled: false)

    all_projects.update_all(shared_runners_enabled: false)
  end

  def allow_descendants_override_disabled_shared_runners!
    raise UpdateSharedRunnersError, 'Shared Runners enabled' if shared_runners_enabled?
    raise UpdateSharedRunnersError, 'Group level shared Runners not allowed' unless parent_allows_shared_runners?

    update_column(:allow_descendants_override_disabled_shared_runners, true)
  end

  def disallow_descendants_override_disabled_shared_runners!
    raise UpdateSharedRunnersError, 'Shared Runners enabled' if shared_runners_enabled?

    group_ids = self_and_descendants
    return if group_ids.empty?

    Group.by_id(group_ids).update_all(allow_descendants_override_disabled_shared_runners: false)

    all_projects.update_all(shared_runners_enabled: false)
  end

  def default_owner
    owners.first || parent&.default_owner || owner
  end

  private

  def update_two_factor_requirement
    return unless saved_change_to_require_two_factor_authentication? || saved_change_to_two_factor_grace_period?

    members_with_descendants.find_each(&:update_two_factor_requirement)
  end

  def path_changed_hook
    system_hook_service.execute_hooks_for(self, :rename)
  end

  def visibility_level_allowed_by_parent
    return if visibility_level_allowed_by_parent?

    errors.add(:visibility_level, "#{visibility} is not allowed since the parent group has a #{parent.visibility} visibility.")
  end

  def visibility_level_allowed_by_projects
    return if visibility_level_allowed_by_projects?

    errors.add(:visibility_level, "#{visibility} is not allowed since this group contains projects with higher visibility.")
  end

  def visibility_level_allowed_by_sub_groups
    return if visibility_level_allowed_by_sub_groups?

    errors.add(:visibility_level, "#{visibility} is not allowed since there are sub-groups with higher visibility.")
  end

  def members_from_self_and_ancestor_group_shares
    group_group_link_table = GroupGroupLink.arel_table
    group_member_table = GroupMember.arel_table

    source_ids =
      if has_parent?
        self_and_ancestors.reorder(nil).select(:id)
      else
        id
      end

    group_group_links_query = GroupGroupLink.where(shared_group_id: source_ids)
    cte = Gitlab::SQL::CTE.new(:group_group_links_cte, group_group_links_query)
    cte_alias = cte.table.alias(GroupGroupLink.table_name)

    # Instead of members.access_level, we need to maximize that access_level at
    # the respective group_group_links.group_access.
    member_columns = GroupMember.attribute_names.map do |column_name|
      if column_name == 'access_level'
        smallest_value_arel([cte_alias[:group_access], group_member_table[:access_level]],
                            'access_level')
      else
        group_member_table[column_name]
      end
    end

    GroupMember
      .with(cte.to_arel)
      .select(*member_columns)
      .from([group_member_table, cte.alias_to(group_group_link_table)])
      .where(group_member_table[:requested_at].eq(nil))
      .where(group_member_table[:source_id].eq(group_group_link_table[:shared_with_group_id]))
      .where(group_member_table[:source_type].eq('Namespace'))
      .non_minimal_access
  end

  def smallest_value_arel(args, column_alias)
    Arel::Nodes::As.new(
      Arel::Nodes::NamedFunction.new('LEAST', args),
      Arel::Nodes::SqlLiteral.new(column_alias))
  end

  def self.groups_including_descendants_by(group_ids)
    Gitlab::ObjectHierarchy
      .new(Group.where(id: group_ids))
      .base_and_descendants
  end
end

Group.prepend_if_ee('EE::Group')