110 lines
2.9 KiB
Ruby
110 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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MessageBus.site_id_lookup do |env = nil|
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if env
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setup_message_bus_env(env)
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env["__mb"][:site_id]
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else
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RailsMultisite::ConnectionManagement.current_db
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end
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end
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def setup_message_bus_env(env)
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return if env["__mb"]
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host = RailsMultisite::ConnectionManagement.host(env)
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RailsMultisite::ConnectionManagement.with_hostname(host) do
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extra_headers = {
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"Access-Control-Allow-Origin" => Discourse.base_url_no_prefix,
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"Access-Control-Allow-Methods" => "GET, POST",
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"Access-Control-Allow-Headers" => "X-SILENCE-LOGGER, X-Shared-Session-Key, Dont-Chunk, Discourse-Visible"
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}
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user = nil
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begin
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user = CurrentUser.lookup_from_env(env)
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rescue Discourse::InvalidAccess => e
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# this is bad we need to remove the cookie
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if e.opts[:delete_cookie].present?
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extra_headers['Set-Cookie'] = '_t=del; path=/; expires=Thu, 01 Jan 1970 00:00:00 GMT'
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end
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rescue => e
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Discourse.warn_exception(e, message: "Unexpected error in Message Bus")
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end
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user_id = user && user.id
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is_admin = !!(user && user.admin?)
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group_ids = if is_admin
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# special rule, admin is allowed access to all groups
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Group.pluck(:id)
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elsif user
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user.groups.pluck('groups.id')
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end
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if env[Auth::DefaultCurrentUserProvider::BAD_TOKEN]
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extra_headers['Discourse-Logged-Out'] = '1'
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end
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hash = {
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extra_headers: extra_headers,
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user_id: user_id,
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group_ids: group_ids,
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is_admin: is_admin,
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site_id: RailsMultisite::ConnectionManagement.current_db
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}
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env["__mb"] = hash
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end
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nil
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end
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MessageBus.extra_response_headers_lookup do |env|
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setup_message_bus_env(env)
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env["__mb"][:extra_headers]
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end
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MessageBus.user_id_lookup do |env|
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setup_message_bus_env(env)
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env["__mb"][:user_id]
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end
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MessageBus.group_ids_lookup do |env|
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setup_message_bus_env(env)
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env["__mb"][:group_ids]
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end
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MessageBus.is_admin_lookup do |env|
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setup_message_bus_env(env)
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env["__mb"][:is_admin]
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end
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MessageBus.on_middleware_error do |env, e|
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if Discourse::InvalidAccess === e
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[403, {}, ["Invalid Access"]]
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elsif RateLimiter::LimitExceeded === e
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[429, { 'Retry-After' => e.available_in }, [e.description]]
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end
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end
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MessageBus.on_connect do |site_id|
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RailsMultisite::ConnectionManagement.establish_connection(db: site_id)
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end
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MessageBus.on_disconnect do |site_id|
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ActiveRecord::Base.connection_handler.clear_active_connections!
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end
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# Point at our redis
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MessageBus.redis_config = GlobalSetting.redis_config
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MessageBus.reliable_pub_sub.max_backlog_size = GlobalSetting.message_bus_max_backlog_size
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MessageBus.long_polling_enabled = SiteSetting.enable_long_polling
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MessageBus.long_polling_interval = SiteSetting.long_polling_interval
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MessageBus.cache_assets = !Rails.env.development?
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MessageBus.enable_diagnostics
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if Rails.env == "test" || $0 =~ /rake$/
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# disable keepalive in testing
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MessageBus.keepalive_interval = -1
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end
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