438 lines
11 KiB
Ruby
438 lines
11 KiB
Ruby
class Ability
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class << self
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def allowed(user, subject)
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return anonymous_abilities(user, subject) if user.nil?
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return [] unless user.is_a?(User)
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return [] if user.blocked?
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case subject
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when CommitStatus then commit_status_abilities(user, subject)
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when Project then project_abilities(user, subject)
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when Issue then issue_abilities(user, subject)
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when Note then note_abilities(user, subject)
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when ProjectSnippet then project_snippet_abilities(user, subject)
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when PersonalSnippet then personal_snippet_abilities(user, subject)
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when MergeRequest then merge_request_abilities(user, subject)
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when Group then group_abilities(user, subject)
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when Namespace then namespace_abilities(user, subject)
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when GroupMember then group_member_abilities(user, subject)
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when ProjectMember then project_member_abilities(user, subject)
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else []
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end.concat(global_abilities(user))
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end
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# List of possible abilities for anonymous user
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def anonymous_abilities(user, subject)
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case true
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when subject.is_a?(PersonalSnippet)
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anonymous_personal_snippet_abilities(subject)
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when subject.is_a?(CommitStatus)
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anonymous_commit_status_abilities(subject)
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when subject.is_a?(Project) || subject.respond_to?(:project)
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anonymous_project_abilities(subject)
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when subject.is_a?(Group) || subject.respond_to?(:group)
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anonymous_group_abilities(subject)
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else
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[]
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end
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end
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def anonymous_project_abilities(subject)
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project = if subject.is_a?(Project)
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subject
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else
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subject.project
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end
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if project && project.public?
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rules = [
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:read_project,
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:read_wiki,
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:read_issue,
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:read_label,
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:read_milestone,
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:read_project_snippet,
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:read_project_member,
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:read_merge_request,
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:read_note,
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:read_commit_status,
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:download_code
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]
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# Allow to read builds by anonymous user if guests are allowed
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rules << :read_build if project.public_builds?
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rules - project_disabled_features_rules(project)
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else
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[]
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end
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end
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def anonymous_commit_status_abilities(subject)
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rules = anonymous_project_abilities(subject.project)
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# If subject is Ci::Build which inherits from CommitStatus filter the abilities
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rules = filter_build_abilities(rules) if subject.is_a?(Ci::Build)
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rules
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end
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def anonymous_group_abilities(subject)
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group = if subject.is_a?(Group)
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subject
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else
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subject.group
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end
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if group && group.projects.public_only.any?
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[:read_group]
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else
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[]
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end
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end
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def anonymous_personal_snippet_abilities(snippet)
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if snippet.public?
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[:read_personal_snippet]
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else
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[]
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end
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end
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def global_abilities(user)
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rules = []
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rules << :create_group if user.can_create_group
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rules
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end
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def project_abilities(user, project)
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rules = []
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key = "/user/#{user.id}/project/#{project.id}"
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RequestStore.store[key] ||= begin
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team = project.team
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# Rules based on role in project
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if team.master?(user)
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rules.push(*project_master_rules)
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elsif team.developer?(user)
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rules.push(*project_dev_rules)
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elsif team.reporter?(user)
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rules.push(*project_report_rules)
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elsif team.guest?(user)
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rules.push(*project_guest_rules)
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end
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if project.public? || project.internal?
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rules.push(*public_project_rules)
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# Allow to read builds for internal projects
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rules << :read_build if project.public_builds?
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end
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if project.owner == user || user.admin?
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rules.push(*project_admin_rules)
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end
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if project.group && project.group.has_owner?(user)
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rules.push(*project_admin_rules)
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end
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if project.archived?
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rules -= project_archived_rules
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end
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rules - project_disabled_features_rules(project)
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end
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end
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def public_project_rules
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@public_project_rules ||= project_guest_rules + [
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:download_code,
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:fork_project,
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:read_commit_status,
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]
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end
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def project_guest_rules
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@project_guest_rules ||= [
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:read_project,
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:read_wiki,
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:read_issue,
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:read_label,
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:read_milestone,
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:read_project_snippet,
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:read_project_member,
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:read_merge_request,
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:read_note,
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:create_project,
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:create_issue,
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:create_note
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]
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end
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def project_report_rules
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@project_report_rules ||= project_guest_rules + [
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:download_code,
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:fork_project,
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:create_project_snippet,
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:update_issue,
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:admin_issue,
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:admin_label,
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:read_commit_status,
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:read_build,
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]
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end
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def project_dev_rules
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@project_dev_rules ||= project_report_rules + [
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:admin_merge_request,
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:create_commit_status,
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:update_commit_status,
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:create_build,
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:update_build,
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:create_merge_request,
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:create_wiki,
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:push_code
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]
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end
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def project_archived_rules
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@project_archived_rules ||= [
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:create_merge_request,
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:push_code,
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:push_code_to_protected_branches,
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:update_merge_request,
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:admin_merge_request
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]
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end
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def project_master_rules
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@project_master_rules ||= project_dev_rules + [
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:push_code_to_protected_branches,
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:update_project_snippet,
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:update_merge_request,
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:admin_milestone,
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:admin_project_snippet,
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:admin_project_member,
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:admin_merge_request,
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:admin_note,
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:admin_wiki,
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:admin_project,
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:admin_commit_status,
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:admin_build
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]
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end
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def project_admin_rules
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@project_admin_rules ||= project_master_rules + [
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:change_namespace,
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:change_visibility_level,
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:rename_project,
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:remove_project,
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:archive_project,
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:remove_fork_project
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]
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end
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def project_disabled_features_rules(project)
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rules = []
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unless project.issues_enabled
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rules += named_abilities('issue')
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end
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unless project.merge_requests_enabled
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rules += named_abilities('merge_request')
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end
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unless project.issues_enabled or project.merge_requests_enabled
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rules += named_abilities('label')
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rules += named_abilities('milestone')
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end
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unless project.snippets_enabled
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rules += named_abilities('project_snippet')
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end
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unless project.wiki_enabled
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rules += named_abilities('wiki')
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end
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unless project.builds_enabled
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rules += named_abilities('build')
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end
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rules
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end
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def group_abilities(user, group)
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rules = []
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if user.admin? || group.users.include?(user) || ProjectsFinder.new.execute(user, group: group).any?
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rules << :read_group
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end
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# Only group masters and group owners can create new projects in group
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if group.has_master?(user) || group.has_owner?(user) || user.admin?
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rules += [
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:create_projects,
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:admin_milestones
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]
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end
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# Only group owner and administrators can admin group
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if group.has_owner?(user) || user.admin?
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rules += [
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:admin_group,
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:admin_namespace,
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:admin_group_member
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]
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end
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rules.flatten
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end
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def namespace_abilities(user, namespace)
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rules = []
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# Only namespace owner and administrators can admin it
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if namespace.owner == user || user.admin?
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rules += [
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:create_projects,
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:admin_namespace
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]
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end
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rules.flatten
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end
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[:issue, :merge_request].each do |name|
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define_method "#{name}_abilities" do |user, subject|
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rules = []
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if subject.author == user || (subject.respond_to?(:assignee) && subject.assignee == user)
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rules += [
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:"read_#{name}",
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:"update_#{name}",
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]
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end
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rules += project_abilities(user, subject.project)
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rules
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end
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end
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[:note, :project_snippet].each do |name|
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define_method "#{name}_abilities" do |user, subject|
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rules = []
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if subject.author == user
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rules += [
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:"read_#{name}",
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:"update_#{name}",
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:"admin_#{name}"
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]
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end
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if subject.respond_to?(:project) && subject.project
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rules += project_abilities(user, subject.project)
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end
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rules
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end
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end
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def personal_snippet_abilities(user, snippet)
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rules = []
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if snippet.author == user
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rules += [
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:read_personal_snippet,
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:update_personal_snippet,
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:admin_personal_snippet
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]
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end
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if snippet.public? || snippet.internal?
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rules << :read_personal_snippet
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end
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rules
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end
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def group_member_abilities(user, subject)
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rules = []
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target_user = subject.user
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group = subject.group
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unless group.last_owner?(target_user)
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can_manage = group_abilities(user, group).include?(:admin_group_member)
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if can_manage
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rules << :update_group_member
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rules << :destroy_group_member
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elsif user == target_user
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rules << :destroy_group_member
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end
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end
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rules
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end
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def project_member_abilities(user, subject)
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rules = []
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target_user = subject.user
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project = subject.project
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unless target_user == project.owner
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can_manage = project_abilities(user, project).include?(:admin_project_member)
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if can_manage
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rules << :update_project_member
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rules << :destroy_project_member
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elsif user == target_user
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rules << :destroy_project_member
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end
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end
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rules
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end
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def commit_status_abilities(user, subject)
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rules = project_abilities(user, subject.project)
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# If subject is Ci::Build which inherits from CommitStatus filter the abilities
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rules = filter_build_abilities(rules) if subject.is_a?(Ci::Build)
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rules
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end
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def filter_build_abilities(rules)
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# If we can't read build we should also not have that
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# ability when looking at this in context of commit_status
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%w(read create update admin).each do |rule|
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rules.delete(:"#{rule}_commit_status") unless rules.include?(:"#{rule}_build")
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end
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rules
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end
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def abilities
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@abilities ||= begin
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abilities = Six.new
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abilities << self
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abilities
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end
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end
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private
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def named_abilities(name)
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[
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:"read_#{name}",
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:"create_#{name}",
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:"update_#{name}",
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:"admin_#{name}"
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]
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end
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end
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end
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