649 lines
16 KiB
Ruby
649 lines
16 KiB
Ruby
# frozen_string_literal: true
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module SiteSettingExtension
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include SiteSettings::DeprecatedSettings
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include HasSanitizableFields
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# support default_locale being set via global settings
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# this also adds support for testing the extension and global settings
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# for site locale
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def self.extended(klass)
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if GlobalSetting.respond_to?(:default_locale) && GlobalSetting.default_locale.present?
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# protected
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klass.send :setup_shadowed_methods, :default_locale, GlobalSetting.default_locale
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end
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end
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# we need a default here to support defaults per locale
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def default_locale=(val)
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val = val.to_s
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raise Discourse::InvalidParameters.new(:value) unless LocaleSiteSetting.valid_value?(val)
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if val != self.default_locale
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add_override!(:default_locale, val)
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refresh!
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Discourse.request_refresh!
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end
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end
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def default_locale?
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true
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end
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# set up some sort of default so we can look stuff up
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def default_locale
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# note optimised cause this is called a lot so avoiding .presence which
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# adds 2 method calls
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locale = current[:default_locale]
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if locale && !locale.blank?
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locale
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else
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SiteSettings::DefaultsProvider::DEFAULT_LOCALE
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end
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end
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def has_setting?(v)
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defaults.has_setting?(v)
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end
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def supported_types
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SiteSettings::TypeSupervisor.supported_types
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end
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def types
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SiteSettings::TypeSupervisor.types
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end
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def listen_for_changes=(val)
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@listen_for_changes = val
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end
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def provider=(val)
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@provider = val
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refresh!
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end
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def provider
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@provider ||= SiteSettings::DbProvider.new(SiteSetting)
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end
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def mutex
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@mutex ||= Mutex.new
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end
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def current
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@containers ||= {}
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@containers[provider.current_site] ||= {}
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end
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def defaults
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@defaults ||= SiteSettings::DefaultsProvider.new(self)
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end
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def type_supervisor
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@type_supervisor ||= SiteSettings::TypeSupervisor.new(defaults)
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end
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def categories
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@categories ||= {}
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end
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def shadowed_settings
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@shadowed_settings ||= []
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end
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def hidden_settings
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@hidden_settings ||= []
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end
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def refresh_settings
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@refresh_settings ||= [:default_locale]
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end
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def client_settings
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@client_settings ||= [:default_locale]
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end
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def previews
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@previews ||= {}
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end
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def secret_settings
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@secret_settings ||= []
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end
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def plugins
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@plugins ||= {}
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end
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def setting(name_arg, default = nil, opts = {})
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name = name_arg.to_sym
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if name == :default_locale
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raise Discourse::InvalidParameters.new(
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"Other settings depend on default locale, you can not configure it like this",
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)
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end
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shadowed_val = nil
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mutex.synchronize do
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defaults.load_setting(name, default, opts.delete(:locale_default))
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categories[name] = opts[:category] || :uncategorized
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hidden_settings << name if opts[:hidden]
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if GlobalSetting.respond_to?(name)
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val = GlobalSetting.public_send(name)
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unless val.nil? || (val == "")
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shadowed_val = val
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hidden_settings << name
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shadowed_settings << name
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end
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end
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refresh_settings << name if opts[:refresh]
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client_settings << name.to_sym if opts[:client]
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previews[name] = opts[:preview] if opts[:preview]
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secret_settings << name if opts[:secret]
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plugins[name] = opts[:plugin] if opts[:plugin]
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type_supervisor.load_setting(
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name,
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opts.extract!(*SiteSettings::TypeSupervisor::CONSUMED_OPTS),
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)
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if !shadowed_val.nil?
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setup_shadowed_methods(name, shadowed_val)
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else
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setup_methods(name)
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end
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end
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end
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def remove_setting(name_arg)
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raise if !Rails.env.test?
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name = name_arg.to_sym
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categories.delete(name)
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hidden_settings.delete(name)
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refresh_settings.delete(name)
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client_settings.delete(name)
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previews.delete(name)
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secret_settings.delete(name)
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plugins.delete(name)
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end
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def settings_hash
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result = {}
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deprecated_settings = Set.new
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SiteSettings::DeprecatedSettings::SETTINGS.each { |s| deprecated_settings << s[0] }
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defaults.all.keys.each do |s|
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result[s] = if deprecated_settings.include?(s.to_s)
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public_send(s, warn: false).to_s
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else
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public_send(s).to_s
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end
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end
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result
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end
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def client_settings_json
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Discourse
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.cache
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.fetch(SiteSettingExtension.client_settings_cache_key, expires_in: 30.minutes) do
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client_settings_json_uncached
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end
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end
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def client_settings_json_uncached
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MultiJson.dump(
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Hash[
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*@client_settings
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.map do |name|
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value = self.public_send(name)
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type = type_supervisor.get_type(name)
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value = value.to_s if type == :upload
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value = value.map(&:to_s).join("|") if type == :uploaded_image_list
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[name, value]
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end
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.flatten
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],
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)
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end
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# Retrieve all settings
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def all_settings(include_hidden: false)
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locale_setting_hash = {
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setting: "default_locale",
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default: SiteSettings::DefaultsProvider::DEFAULT_LOCALE,
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category: "required",
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description: description("default_locale"),
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type: SiteSetting.types[SiteSetting.types[:enum]],
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preview: nil,
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value: self.default_locale,
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valid_values: LocaleSiteSetting.values,
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translate_names: LocaleSiteSetting.translate_names?,
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}
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defaults
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.all(default_locale)
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.reject do |setting_name, _|
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plugins[name] && !Discourse.plugins_by_name[plugins[name]].configurable?
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end
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.reject { |setting_name, _| !include_hidden && hidden_settings.include?(setting_name) }
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.map do |s, v|
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type_hash = type_supervisor.type_hash(s)
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default = defaults.get(s, default_locale).to_s
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value = public_send(s)
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value = value.map(&:to_s).join("|") if type_hash[:type].to_s == "uploaded_image_list"
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if type_hash[:type].to_s == "upload" && default.to_i < Upload::SEEDED_ID_THRESHOLD
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default = default_uploads[default.to_i]
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end
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opts = {
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setting: s,
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description: description(s),
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default: default,
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value: value.to_s,
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category: categories[s],
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preview: previews[s],
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secret: secret_settings.include?(s),
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placeholder: placeholder(s),
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}.merge!(type_hash)
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opts[:plugin] = plugins[s] if plugins[s]
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opts
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end
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.unshift(locale_setting_hash)
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end
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def description(setting)
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I18n.t("site_settings.#{setting}", base_path: Discourse.base_path)
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end
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def placeholder(setting)
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if !I18n.t("site_settings.placeholder.#{setting}", default: "").empty?
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I18n.t("site_settings.placeholder.#{setting}")
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elsif SiteIconManager.respond_to?("#{setting}_url")
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SiteIconManager.public_send("#{setting}_url")
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end
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end
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def self.client_settings_cache_key
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# NOTE: we use the git version in the key to ensure
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# that we don't end up caching the incorrect version
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# in cases where we are cycling unicorns
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"client_settings_json_#{Discourse.git_version}"
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end
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# refresh all the site settings
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def refresh!
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mutex.synchronize do
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ensure_listen_for_changes
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new_hash =
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Hash[
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*(
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defaults
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.db_all
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.map do |s|
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[s.name.to_sym, type_supervisor.to_rb_value(s.name, s.value, s.data_type)]
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end
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.to_a
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.flatten
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)
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]
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defaults_view = defaults.all(new_hash[:default_locale])
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# add locale default and defaults based on default_locale, cause they are cached
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new_hash = defaults_view.merge!(new_hash)
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# add shadowed
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shadowed_settings.each { |ss| new_hash[ss] = GlobalSetting.public_send(ss) }
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changes, deletions = diff_hash(new_hash, current)
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changes.each { |name, val| current[name] = val }
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deletions.each { |name, _| current[name] = defaults_view[name] }
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uploads.clear
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clear_cache!
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end
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end
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def ensure_listen_for_changes
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return if @listen_for_changes == false
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unless @subscribed
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MessageBus.subscribe("/site_settings") do |message|
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process_message(message) if message.data["process"] != process_id
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end
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@subscribed = true
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end
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end
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def process_message(message)
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begin
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MessageBus.on_connect.call(message.site_id)
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refresh!
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ensure
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MessageBus.on_disconnect.call(message.site_id)
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end
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end
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def process_id
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@process_id ||= SecureRandom.uuid
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end
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def after_fork
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@process_id = nil
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ensure_listen_for_changes
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end
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def remove_override!(name)
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old_val = current[name]
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provider.destroy(name)
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current[name] = defaults.get(name, default_locale)
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return if current[name] == old_val
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clear_uploads_cache(name)
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clear_cache!
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if old_val != current[name]
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DiscourseEvent.trigger(:site_setting_changed, name, old_val, current[name])
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end
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end
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def add_override!(name, val)
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old_val = current[name]
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val, type = type_supervisor.to_db_value(name, val)
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sanitize_override = val.is_a?(String) && client_settings.include?(name)
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sanitized_val = sanitize_override ? sanitize_field(val) : val
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provider.save(name, sanitized_val, type)
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current[name] = type_supervisor.to_rb_value(name, sanitized_val)
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return if current[name] == old_val
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clear_uploads_cache(name)
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notify_clients!(name) if client_settings.include? name
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clear_cache!
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if old_val != current[name]
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DiscourseEvent.trigger(:site_setting_changed, name, old_val, current[name])
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end
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end
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def notify_changed!
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MessageBus.publish("/site_settings", process: process_id)
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end
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def notify_clients!(name)
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MessageBus.publish("/client_settings", name: name, value: self.public_send(name))
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end
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def requires_refresh?(name)
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refresh_settings.include?(name.to_sym)
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end
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HOSTNAME_SETTINGS ||= %w[
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disabled_image_download_domains
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blocked_onebox_domains
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exclude_rel_nofollow_domains
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blocked_email_domains
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allowed_email_domains
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allowed_spam_host_domains
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]
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def filter_value(name, value)
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if HOSTNAME_SETTINGS.include?(name)
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value
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.split("|")
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.map do |url|
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url.strip!
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get_hostname(url)
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end
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.compact
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.uniq
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.join("|")
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else
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value
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end
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end
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def set(name, value, options = nil)
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if has_setting?(name)
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value = filter_value(name, value)
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if options
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self.public_send("#{name}=", value, options)
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else
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self.public_send("#{name}=", value)
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end
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Discourse.request_refresh! if requires_refresh?(name)
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else
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raise Discourse::InvalidParameters.new(
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"Either no setting named '#{name}' exists or value provided is invalid",
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)
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end
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end
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def set_and_log(name, value, user = Discourse.system_user)
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if has_setting?(name)
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prev_value = public_send(name)
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set(name, value)
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value = prev_value = "[FILTERED]" if secret_settings.include?(name.to_sym)
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StaffActionLogger.new(user).log_site_setting_change(name, prev_value, value)
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else
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raise Discourse::InvalidParameters.new(
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I18n.t("errors.site_settings.invalid_site_setting", name: name),
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)
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end
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end
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def get(name)
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if has_setting?(name)
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self.public_send(name)
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else
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raise Discourse::InvalidParameters.new(
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I18n.t("errors.site_settings.invalid_site_setting", name: name),
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)
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end
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end
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if defined?(Rails::Console)
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# Convenience method for debugging site setting issues
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# Returns a hash with information about a specific setting
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def info(name)
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{
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resolved_value: get(name),
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default_value: defaults[name],
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global_override: GlobalSetting.respond_to?(name) ? GlobalSetting.public_send(name) : nil,
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database_value: provider.find(name)&.value,
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refresh?: refresh_settings.include?(name),
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client?: client_settings.include?(name),
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secret?: secret_settings.include?(name),
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}
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end
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end
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protected
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def clear_cache!
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Discourse.cache.delete(SiteSettingExtension.client_settings_cache_key)
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Site.clear_anon_cache!
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end
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def diff_hash(new_hash, old)
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changes = []
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deletions = []
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new_hash.each do |name, value|
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changes << [name, value] if !old.has_key?(name) || old[name] != value
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end
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old.each { |name, value| deletions << [name, value] unless new_hash.has_key?(name) }
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[changes, deletions]
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end
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def setup_shadowed_methods(name, value)
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clean_name = name.to_s.sub("?", "").to_sym
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define_singleton_method clean_name do
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value
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end
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define_singleton_method "#{clean_name}?" do
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value
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end
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define_singleton_method "#{clean_name}=" do |val|
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if value != val
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Rails.logger.warn(
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"An attempt was to change #{clean_name} SiteSetting to #{val} however it is shadowed so this will be ignored!",
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)
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end
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nil
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end
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end
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def setup_methods(name)
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clean_name = name.to_s.sub("?", "").to_sym
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if type_supervisor.get_type(name) == :uploaded_image_list
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define_singleton_method clean_name do
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uploads_list = uploads[name]
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return uploads_list if uploads_list
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if (value = current[name]).nil?
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refresh!
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value = current[name]
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end
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return [] if value.empty?
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value = value.split("|").map(&:to_i)
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uploads_list = Upload.where(id: value).to_a
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uploads[name] = uploads_list if uploads_list
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end
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elsif type_supervisor.get_type(name) == :upload
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define_singleton_method clean_name do
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upload = uploads[name]
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return upload if upload
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if (value = current[name]).nil?
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refresh!
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value = current[name]
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end
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value = value.to_i
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if value != Upload::SEEDED_ID_THRESHOLD
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upload = Upload.find_by(id: value)
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uploads[name] = upload if upload
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end
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end
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else
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define_singleton_method clean_name do
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if plugins[name]
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plugin = Discourse.plugins_by_name[plugins[name]]
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return false if !plugin.configurable? && plugin.enabled_site_setting == name
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end
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if (c = current[name]).nil?
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refresh!
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current[name]
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else
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c
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end
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end
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end
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# Any group_list setting, e.g. personal_message_enabled_groups, will have
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# a getter defined with _map on the end, e.g. personal_message_enabled_groups_map,
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# to avoid having to manually split and convert to integer for these settings.
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if type_supervisor.get_type(name) == :group_list
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define_singleton_method("#{clean_name}_map") do
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self.public_send(clean_name).to_s.split("|").map(&:to_i)
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end
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end
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# Same logic as above for group_list settings, with the caveat that normal
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# list settings are not necessarily integers, so we just want to handle the splitting.
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if type_supervisor.get_type(name) == :list &&
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|
%w[simple compact].include?(type_supervisor.get_list_type(name))
|
|
define_singleton_method("#{clean_name}_map") { self.public_send(clean_name).to_s.split("|") }
|
|
end
|
|
|
|
define_singleton_method "#{clean_name}?" do
|
|
self.public_send clean_name
|
|
end
|
|
|
|
define_singleton_method "#{clean_name}=" do |val|
|
|
add_override!(name, val)
|
|
end
|
|
end
|
|
|
|
def get_hostname(url)
|
|
host =
|
|
begin
|
|
URI.parse(url)&.host
|
|
rescue URI::Error
|
|
nil
|
|
end
|
|
|
|
host ||=
|
|
begin
|
|
URI.parse("http://#{url}")&.host
|
|
rescue URI::Error
|
|
nil
|
|
end
|
|
|
|
host.presence || url
|
|
end
|
|
|
|
private
|
|
|
|
def default_uploads
|
|
@default_uploads ||= {}
|
|
|
|
@default_uploads[provider.current_site] ||= begin
|
|
Upload.where("id < ?", Upload::SEEDED_ID_THRESHOLD).pluck(:id, :url).to_h
|
|
end
|
|
end
|
|
|
|
def uploads
|
|
@uploads ||= {}
|
|
@uploads[provider.current_site] ||= {}
|
|
end
|
|
|
|
def clear_uploads_cache(name)
|
|
if (
|
|
type_supervisor.get_type(name) == :upload ||
|
|
type_supervisor.get_type(name) == :uploaded_image_list
|
|
) && uploads.has_key?(name)
|
|
uploads.delete(name)
|
|
end
|
|
end
|
|
|
|
def logger
|
|
Rails.logger
|
|
end
|
|
end
|