summaryrefslogtreecommitdiff
path: root/app/policies/project_policy.rb
blob: 61a7bf026759af4df42701d09164b61327e21a74 (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
class ProjectPolicy < BasePolicy
  def self.create_read_update_admin(name)
    [
      :"create_#{name}",
      :"read_#{name}",
      :"update_#{name}",
      :"admin_#{name}"
    ]
  end

  desc "User is a project owner"
  condition :owner do
    (project.owner.present? && project.owner == @user) ||
      project.group&.has_owner?(@user)
  end

  desc "Project has public builds enabled"
  condition(:public_builds, scope: :subject) { project.public_builds? }

  # For guest access we use #team_member? so we can use
  # project.members, which gets cached in subject scope.
  # This is safe because team_access_level is guaranteed
  # by ProjectAuthorization's validation to be at minimum
  # GUEST
  desc "User has guest access"
  condition(:guest) { team_member? }

  desc "User has reporter access"
  condition(:reporter) { team_access_level >= Gitlab::Access::REPORTER }

  desc "User has developer access"
  condition(:developer) { team_access_level >= Gitlab::Access::DEVELOPER }

  desc "User has master access"
  condition(:master) { team_access_level >= Gitlab::Access::MASTER }

  desc "Project is public"
  condition(:public_project, scope: :subject) { project.public? }

  desc "Project is visible to internal users"
  condition(:internal_access) do
    project.internal? && !user.external?
  end

  desc "User is a member of the group"
  condition(:group_member, scope: :subject) { project_group_member? }

  desc "Project is archived"
  condition(:archived, scope: :subject) { project.archived? }

  condition(:default_issues_tracker, scope: :subject) { project.default_issues_tracker? }

  desc "Container registry is disabled"
  condition(:container_registry_disabled, scope: :subject) do
    !project.container_registry_enabled
  end

  desc "Project has an external wiki"
  condition(:has_external_wiki, scope: :subject) { project.has_external_wiki? }

  desc "Project has request access enabled"
  condition(:request_access_enabled, scope: :subject) { project.request_access_enabled }

  features = %w[
    merge_requests
    issues
    repository
    snippets
    wiki
    builds
  ]

  features.each do |f|
    # these are scored high because they are unlikely
    desc "Project has #{f} disabled"
    condition(:"#{f}_disabled", score: 32) { !feature_available?(f.to_sym) }
  end

  rule { guest }.enable :guest_access
  rule { reporter }.enable :reporter_access
  rule { developer }.enable :developer_access
  rule { master }.enable :master_access

  rule { owner | admin }.policy do
    enable :guest_access
    enable :reporter_access
    enable :developer_access
    enable :master_access

    enable :change_namespace
    enable :change_visibility_level
    enable :rename_project
    enable :remove_project
    enable :archive_project
    enable :remove_fork_project
    enable :destroy_merge_request
    enable :destroy_issue
    enable :remove_pages
  end

  rule { owner | reporter }.policy do
    enable :build_download_code
    enable :build_read_container_image
  end

  rule { can?(:guest_access) }.policy do
    enable :read_project
    enable :read_board
    enable :read_list
    enable :read_wiki
    enable :read_issue
    enable :read_label
    enable :read_milestone
    enable :read_project_snippet
    enable :read_project_member
    enable :read_note
    enable :create_project
    enable :create_issue
    enable :create_note
    enable :upload_file
    enable :read_cycle_analytics
  end

  rule { can?(:reporter_access) }.policy do
    enable :download_code
    enable :download_wiki_code
    enable :fork_project
    enable :create_project_snippet
    enable :update_issue
    enable :admin_issue
    enable :admin_label
    enable :admin_list
    enable :read_commit_status
    enable :read_build
    enable :read_container_image
    enable :read_pipeline
    enable :read_pipeline_schedule
    enable :read_environment
    enable :read_deployment
    enable :read_merge_request
  end

  rule { (~anonymous & public_project) | internal_access }.policy do
    enable :public_user_access
  end

  rule { can?(:public_user_access) }.policy do
    enable :guest_access
    enable :request_access
  end

  rule { owner | admin | guest | group_member }.prevent :request_access
  rule { ~request_access_enabled }.prevent :request_access

  rule { can?(:developer_access) }.policy do
    enable :admin_merge_request
    enable :admin_milestone
    enable :update_merge_request
    enable :create_commit_status
    enable :update_commit_status
    enable :create_build
    enable :update_build
    enable :create_pipeline
    enable :update_pipeline
    enable :create_pipeline_schedule
    enable :create_merge_request
    enable :create_wiki
    enable :push_code
    enable :resolve_note
    enable :create_container_image
    enable :update_container_image
    enable :create_environment
    enable :create_deployment
  end

  rule { can?(:master_access) }.policy do
    enable :delete_protected_branch
    enable :update_project_snippet
    enable :update_environment
    enable :update_deployment
    enable :admin_project_snippet
    enable :admin_project_member
    enable :admin_note
    enable :admin_wiki
    enable :admin_project
    enable :admin_commit_status
    enable :admin_build
    enable :admin_container_image
    enable :admin_pipeline
    enable :admin_environment
    enable :admin_deployment
    enable :admin_pages
    enable :read_pages
    enable :update_pages
    enable :read_cluster
    enable :create_cluster
  end

  rule { can?(:public_user_access) }.policy do
    enable :public_access

    enable :fork_project
    enable :build_download_code
    enable :build_read_container_image
  end

  rule { archived }.policy do
    prevent :create_merge_request
    prevent :push_code
    prevent :delete_protected_branch
    prevent :update_merge_request
    prevent :admin_merge_request
  end

  rule { merge_requests_disabled | repository_disabled }.policy do
    prevent(*create_read_update_admin(:merge_request))
  end

  rule { issues_disabled & merge_requests_disabled }.policy do
    prevent(*create_read_update_admin(:label))
    prevent(*create_read_update_admin(:milestone))
  end

  rule { snippets_disabled }.policy do
    prevent(*create_read_update_admin(:project_snippet))
  end

  rule { wiki_disabled & ~has_external_wiki }.policy do
    prevent(*create_read_update_admin(:wiki))
    prevent(:download_wiki_code)
  end

  rule { builds_disabled | repository_disabled }.policy do
    prevent(*create_read_update_admin(:build))
    prevent(*(create_read_update_admin(:pipeline) - [:read_pipeline]))
    prevent(*create_read_update_admin(:pipeline_schedule))
    prevent(*create_read_update_admin(:environment))
    prevent(*create_read_update_admin(:deployment))
  end

  rule { repository_disabled }.policy do
    prevent :push_code
    prevent :download_code
    prevent :fork_project
    prevent :read_commit_status
  end

  rule { container_registry_disabled }.policy do
    prevent(*create_read_update_admin(:container_image))
  end

  rule { anonymous & ~public_project }.prevent_all
  rule { public_project }.enable(:public_access)

  rule { can?(:public_access) }.policy do
    enable :read_project
    enable :read_board
    enable :read_list
    enable :read_wiki
    enable :read_label
    enable :read_milestone
    enable :read_project_snippet
    enable :read_project_member
    enable :read_merge_request
    enable :read_note
    enable :read_pipeline
    enable :read_pipeline_schedule
    enable :read_commit_status
    enable :read_container_image
    enable :download_code
    enable :download_wiki_code
    enable :read_cycle_analytics

    # NOTE: may be overridden by IssuePolicy
    enable :read_issue
  end

  rule { public_builds }.policy do
    enable :read_build
  end

  rule { public_builds & can?(:guest_access) }.policy do
    enable :read_pipeline
    enable :read_pipeline_schedule
  end

  rule { issues_disabled }.policy do
    prevent :create_issue
    prevent :update_issue
    prevent :admin_issue
    prevent :read_issue
  end

  private

  def team_member?
    return false if @user.nil?

    greedy_load_subject = false

    # when scoping by subject, we want to be greedy
    # and load *all* the members with one query.
    greedy_load_subject ||= DeclarativePolicy.preferred_scope == :subject

    # in this case we're likely to have loaded #members already
    # anyways, and #member? would fail with an error
    greedy_load_subject ||= !@user.persisted?

    if greedy_load_subject
      project.team.members.include?(user)
    else
      # otherwise we just make a specific query for
      # this particular user.
      team_access_level >= Gitlab::Access::GUEST
    end
  end

  def project_group_member?
    return false if @user.nil?

    project.group &&
      (
        project.group.members_with_parents.exists?(user_id: @user.id) ||
        project.group.requesters.exists?(user_id: @user.id)
      )
  end

  def team_access_level
    return -1 if @user.nil?

    # NOTE: max_member_access has its own cache
    project.team.max_member_access(@user.id)
  end

  def feature_available?(feature)
    case project.project_feature.access_level(feature)
    when ProjectFeature::DISABLED
      false
    when ProjectFeature::PRIVATE
      guest? || admin?
    else
      true
    end
  end

  def project
    @subject
  end
end