gitlabhq/app/models/ability.rb

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class Ability
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class << self
def allowed(object, subject)
case subject.class.name
when "Project" then project_abilities(object, subject)
when "Issue" then issue_abilities(object, subject)
when "Note" then note_abilities(object, subject)
when "Snippet" then snippet_abilities(object, subject)
when "MergeRequest" then merge_request_abilities(object, subject)
when "Group" then group_abilities(object, subject)
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else []
end
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end
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def project_abilities(user, project)
rules = []
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# Rules based on role in project
if project.master_access_for?(user)
rules << project_master_rules
elsif project.dev_access_for?(user)
rules << project_dev_rules
elsif project.report_access_for?(user)
rules << project_report_rules
elsif project.guest_access_for?(user)
rules << project_guest_rules
end
if project.namespace
# If user own project namespace
# (Ex. group owner or account owner)
if project.namespace.owner == user
rules << project_admin_rules
end
else
# For compatibility with global projects
# use projects.owner_id
if project.owner == user
rules << project_admin_rules
end
end
rules.flatten
end
def project_guest_rules
[
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:read_project,
:read_wiki,
:read_issue,
:read_milestone,
:read_snippet,
:read_team_member,
:read_merge_request,
:read_note,
:write_project,
:write_issue,
:write_note
]
end
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def project_report_rules
project_guest_rules + [
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:download_code,
:write_merge_request,
:write_snippet
]
end
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def project_dev_rules
project_report_rules + [
:write_wiki,
:push_code
]
end
def project_master_rules
project_dev_rules + [
:push_code_to_protected_branches,
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:modify_issue,
:modify_snippet,
:modify_merge_request,
:admin_issue,
:admin_milestone,
:admin_snippet,
:admin_team_member,
:admin_merge_request,
:admin_note,
:accept_mr,
:admin_wiki,
:admin_project
]
end
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def project_admin_rules
project_master_rules + [
:change_namespace,
:rename_project,
:remove_project
]
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end
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def group_abilities user, group
rules = []
rules << [
:manage_group
] if group.owner == user
rules.flatten
end
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[:issue, :note, :snippet, :merge_request].each do |name|
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define_method "#{name}_abilities" do |user, subject|
if subject.author == user
[
:"read_#{name}",
:"write_#{name}",
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:"modify_#{name}",
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:"admin_#{name}"
]
elsif subject.respond_to?(:assignee) && subject.assignee == user
[
:"read_#{name}",
:"write_#{name}",
:"modify_#{name}",
]
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else
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subject.respond_to?(:project) ? project_abilities(user, subject.project) : []
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end
end
end
end
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end