discourse/lib/read_only_mixin.rb

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# frozen_string_literal: true
module ReadOnlyMixin
module ClassMethods
def actions_allowed_in_staff_writes_only_mode
@actions_allowed_in_staff_writes_only_mode ||= []
end
def allow_in_staff_writes_only_mode(*actions)
actions_allowed_in_staff_writes_only_mode.concat(actions.map(&:to_sym))
end
def allowed_in_staff_writes_only_mode?(action_name)
actions_allowed_in_staff_writes_only_mode.include?(action_name.to_sym)
end
end
def staff_writes_only_mode?
@staff_writes_only_mode
end
def check_readonly_mode
if Discourse.readonly_mode?
@readonly_mode = true
@staff_writes_only_mode = false
elsif Discourse.staff_writes_only_mode?
@readonly_mode = true
@staff_writes_only_mode = true
else
@readonly_mode = false
@staff_writes_only_mode = false
end
end
def add_readonly_header
response.headers['Discourse-Readonly'] = 'true' if @readonly_mode
end
def allowed_in_staff_writes_only_mode?
self.class.allowed_in_staff_writes_only_mode?(action_name)
end
def block_if_readonly_mode
return if request.fullpath.start_with?(path "/admin/backups")
return if request.get? || request.head?
if @staff_writes_only_mode
raise Discourse::ReadOnly.new if !current_user&.staff? && !allowed_in_staff_writes_only_mode?
elsif @readonly_mode
raise Discourse::ReadOnly.new
end
end
def self.included(base)
base.extend(ClassMethods)
end
end