122 lines
3.5 KiB
JavaScript
122 lines
3.5 KiB
JavaScript
/**
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* Liza HTTP server
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*
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* Copyright (C) 2017 R-T Specialty, LLC.
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*
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* This file is part of the Liza Data Collection Framework.
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*
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* liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Also called the "quote server".
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*
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* This is ancient---it's an evolution of the first prototype written for
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* liza's server, and has barely evolved since then.
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*/
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var http = require( 'http' );
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exports.create = function( routers, request_builder, access_log, debug_log )
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{
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return log_server( http.createServer( function( request, response )
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{
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// easy request/response management
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var user_request = request_builder( request, response );
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// log this request to the access log
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access_log.attach( user_request );
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// process the request when it's ready (all data is available)
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user_request.on( 'ready', function()
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{
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var routed = false;
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Promise.all(
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routers.map( function( router )
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{
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return router.route( user_request, debug_log );
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} )
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).then( function( routed )
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{
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var was_routed = routed.some( function( handled )
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{
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return handled === true;
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} );
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// display a 404 if we weren't able to route the request
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if ( !was_routed )
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{
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return_404( user_request );
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}
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} );
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});
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}), debug_log );
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};
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function return_404( response )
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{
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response.setResponseCode( 404 );
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response.end( '404 Not found.' );
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}
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/**
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* Enables logging on the server
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*
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* @param {HttpServer} server server on which to enable logging
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* @param {PriorityLogger} debug_log logger to use
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*
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* @return {HttpServer}
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*/
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function log_server( server, debug_log )
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{
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server
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.on( 'connection', function( stream )
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{
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/** this is useless until not behind a proxy, since the IP address
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* is always the same
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debug_log.log( debug_log.PRIORITY_SOCKET,
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'HTTP connection received from %s',
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stream.remoteAddress
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);
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*/
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// log errors on the connection
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stream.on( 'error', function( exception )
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{
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debug_log.log( debug_log.PRIORITY_SOCKET,
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'HTTP server connection error on %s: %s',
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stream.remoteAddress,
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exception
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);
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});
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})
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.on( 'close', function( errno )
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{
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debug_log.log( debug_log.PRIORITY_SOCKET,
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"HTTP server connection closed."
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);
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})
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.on( 'clientError', function( exception )
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{
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debug_log.log( debug_log.PRIORITY_SOCKET,
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'HTTP client connection error: %s',
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exception
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);
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});
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return server;
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}
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