diff options
Diffstat (limited to 'actioncable/lib/action_cable/connection/base.rb')
| -rw-r--r-- | actioncable/lib/action_cable/connection/base.rb | 47 |
1 files changed, 34 insertions, 13 deletions
diff --git a/actioncable/lib/action_cable/connection/base.rb b/actioncable/lib/action_cable/connection/base.rb index b5f898436a..60f3ad3e06 100644 --- a/actioncable/lib/action_cable/connection/base.rb +++ b/actioncable/lib/action_cable/connection/base.rb @@ -2,9 +2,9 @@ require 'action_dispatch' module ActionCable module Connection - # For every WebSocket the cable server is accepting, a Connection object will be instantiated. This instance becomes the parent - # of all the channel subscriptions that are created from there on. Incoming messages are then routed to these channel subscriptions - # based on an identifier sent by the cable consumer. The Connection itself does not deal with any specific application logic beyond + # For every WebSocket the Action Cable server accepts, a Connection object will be instantiated. This instance becomes the parent + # of all of the channel subscriptions that are created from there on. Incoming messages are then routed to these channel subscriptions + # based on an identifier sent by the Action Cable consumer. The Connection itself does not deal with any specific application logic beyond # authentication and authorization. # # Here's a basic example: @@ -33,9 +33,9 @@ module ActionCable # end # end # - # First, we declare that this connection can be identified by its current_user. This allows us later to be able to find all connections - # established for that current_user (and potentially disconnect them if the user was removed from an account). You can declare as many - # identification indexes as you like. Declaring an identification means that a attr_accessor is automatically set for that key. + # First, we declare that this connection can be identified by its current_user. This allows us to later be able to find all connections + # established for that current_user (and potentially disconnect them). You can declare as many + # identification indexes as you like. Declaring an identification means that an attr_accessor is automatically set for that key. # # Second, we rely on the fact that the WebSocket connection is established with the cookies from the domain being sent along. This makes # it easy to use signed cookies that were set when logging in via a web interface to authorize the WebSocket connection. @@ -65,8 +65,8 @@ module ActionCable end # Called by the server when a new WebSocket connection is established. This configures the callbacks intended for overwriting by the user. - # This method should not be called directly. Rely on the #connect (and #disconnect) callback instead. - def process + # This method should not be called directly -- instead rely upon on the #connect (and #disconnect) callbacks. + def process # :nodoc: logger.info started_request_message if websocket.possible? && allow_request_origin? @@ -76,7 +76,7 @@ module ActionCable end end - # Data received over the cable is handled by this method. It's expected that everything inbound is JSON encoded. + # Data received over the WebSocket connection is handled by this method. It's expected that everything inbound is JSON encoded. # The data is routed to the proper channel that the connection has subscribed to. def receive(data_in_json) if websocket.alive? @@ -88,7 +88,7 @@ module ActionCable # Send raw data straight back down the WebSocket. This is not intended to be called directly. Use the #transmit available on the # Channel instead, as that'll automatically address the correct subscriber and wrap the message in JSON. - def transmit(data) + def transmit(data) # :nodoc: websocket.transmit data end @@ -154,7 +154,7 @@ module ActionCable def handle_open connect if respond_to?(:connect) subscribe_to_internal_channel - beat + confirm_connection_monitor_subscription message_buffer.process! server.add_connection(self) @@ -173,6 +173,13 @@ module ActionCable disconnect if respond_to?(:disconnect) end + def confirm_connection_monitor_subscription + # Send confirmation message to the internal connection monitor channel. + # This ensures the connection monitor state is reset after a successful + # websocket connection. + transmit ActiveSupport::JSON.encode(identifier: ActionCable::INTERNAL[:identifiers][:ping], type: ActionCable::INTERNAL[:message_types][:confirmation]) + end + def allow_request_origin? return true if server.config.disable_request_forgery_protection @@ -185,12 +192,14 @@ module ActionCable end def respond_to_successful_request + logger.info successful_request_message websocket.rack_response end def respond_to_invalid_request close if websocket.alive? + logger.error invalid_request_message logger.info finished_request_message [ 404, { 'Content-Type' => 'text/plain' }, [ 'Page not found' ] ] end @@ -205,7 +214,7 @@ module ActionCable 'Started %s "%s"%s for %s at %s' % [ request.request_method, request.filtered_path, - websocket.possible? ? ' [WebSocket]' : '', + websocket.possible? ? ' [WebSocket]' : '[non-WebSocket]', request.ip, Time.now.to_s ] end @@ -213,10 +222,22 @@ module ActionCable def finished_request_message 'Finished "%s"%s for %s at %s' % [ request.filtered_path, - websocket.possible? ? ' [WebSocket]' : '', + websocket.possible? ? ' [WebSocket]' : '[non-WebSocket]', request.ip, Time.now.to_s ] end + + def invalid_request_message + 'Failed to upgrade to WebSocket (REQUEST_METHOD: %s, HTTP_CONNECTION: %s, HTTP_UPGRADE: %s)' % [ + env["REQUEST_METHOD"], env["HTTP_CONNECTION"], env["HTTP_UPGRADE"] + ] + end + + def successful_request_message + 'Successfully upgraded to WebSocket (REQUEST_METHOD: %s, HTTP_CONNECTION: %s, HTTP_UPGRADE: %s)' % [ + env["REQUEST_METHOD"], env["HTTP_CONNECTION"], env["HTTP_UPGRADE"] + ] + end end end end |