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
class Ability
class << self
def allowed(user, subject)
return not_auth_abilities(user, subject) if user.nil?
return [] unless user.kind_of?(User)
return [] if user.blocked?
case subject.class.name
when "Project" then project_abilities(user, subject)
when "Issue" then issue_abilities(user, subject)
when "Note" then note_abilities(user, subject)
when "ProjectSnippet" then project_snippet_abilities(user, subject)
when "PersonalSnippet" then personal_snippet_abilities(user, subject)
when "MergeRequest" then merge_request_abilities(user, subject)
when "Group" then group_abilities(user, subject)
when "Namespace" then namespace_abilities(user, subject)
when "UsersGroup" then users_group_abilities(user, subject)
else []
end.concat(global_abilities(user))
end
# List of possible abilities
# for non-authenticated user
def not_auth_abilities(user, subject)
project = if subject.kind_of?(Project)
subject
elsif subject.respond_to?(:project)
subject.project
else
nil
end
if project && project.public?
[
:read_project,
:read_wiki,
:read_issue,
:read_milestone,
:read_project_snippet,
:read_team_member,
:read_merge_request,
:read_note,
:download_code
]
else
group = if subject.kind_of?(Group)
subject
elsif subject.respond_to?(:group)
subject.group
else
nil
end
if group && group.has_projects_accessible_to?(nil)
[:read_group]
else
[]
end
end
end
def global_abilities(user)
rules = []
rules << :create_group if user.can_create_group
rules
end
def project_abilities(user, project)
rules = []
team = project.team
# Rules based on role in project
if team.masters.include?(user)
rules += project_master_rules
elsif team.developers.include?(user)
rules += project_dev_rules
elsif team.reporters.include?(user)
rules += project_report_rules
elsif team.guests.include?(user)
rules += project_guest_rules
end
if project.public? || project.internal?
rules += public_project_rules
end
if project.owner == user || user.admin?
rules += project_admin_rules
end
if project.group && project.group.has_owner?(user)
rules += project_admin_rules
end
if project.archived?
rules -= project_archived_rules
end
rules
end
def public_project_rules
project_guest_rules + [
:download_code,
:fork_project
]
end
def project_guest_rules
[
:read_project,
:read_wiki,
:read_issue,
:read_milestone,
:read_project_snippet,
:read_team_member,
:read_merge_request,
:read_note,
:write_project,
:write_issue,
:write_note
]
end
def project_report_rules
project_guest_rules + [
:download_code,
:fork_project,
:write_project_snippet
]
end
def project_dev_rules
project_report_rules + [
:write_merge_request,
:write_wiki,
:modify_issue,
:admin_issue,
:push_code
]
end
def project_archived_rules
[
:write_merge_request,
:push_code,
:push_code_to_protected_branches,
:modify_merge_request,
:admin_merge_request
]
end
def project_master_rules
project_dev_rules + [
:push_code_to_protected_branches,
:modify_issue,
:modify_project_snippet,
:modify_merge_request,
:admin_issue,
:admin_milestone,
:admin_project_snippet,
:admin_team_member,
:admin_merge_request,
:admin_note,
:admin_wiki,
:admin_project
]
end
def project_admin_rules
project_master_rules + [
:change_namespace,
:change_visibility_level,
:rename_project,
:remove_project,
:archive_project
]
end
def group_abilities user, group
rules = []
if user.admin? || group.users.include?(user) || ProjectsFinder.new.execute(user, group: group).any?
rules << :read_group
end
# Only group owner and administrators can manage group
if group.has_owner?(user) || user.admin?
rules += [
:manage_group,
:manage_namespace
]
end
rules.flatten
end
def namespace_abilities user, namespace
rules = []
# Only namespace owner and administrators can manage it
if namespace.owner == user || user.admin?
rules += [
:manage_namespace
]
end
rules.flatten
end
[:issue, :note, :project_snippet, :personal_snippet, :merge_request].each do |name|
define_method "#{name}_abilities" do |user, subject|
if subject.author == user
[
:"read_#{name}",
:"write_#{name}",
:"modify_#{name}",
:"admin_#{name}"
]
elsif subject.respond_to?(:assignee) && subject.assignee == user
[
:"read_#{name}",
:"write_#{name}",
:"modify_#{name}",
]
else
subject.respond_to?(:project) ? project_abilities(user, subject.project) : []
end
end
end
def users_group_abilities(user, subject)
rules = []
target_user = subject.user
group = subject.group
can_manage = group_abilities(user, group).include?(:manage_group)
if can_manage && (user != target_user)
rules << :modify
rules << :destroy
end
if !group.last_owner?(user) && (can_manage || (user == target_user))
rules << :destroy
end
rules
end
end
end