80 lines
2.5 KiB
JavaScript
80 lines
2.5 KiB
JavaScript
/**
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* HTTP access log
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*
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* Copyright (C) 2017 LoVullo Associates, Inc.
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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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var Class = require( 'easejs' ).Class,
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UserRequest = require( '../request/UserRequest' );
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/**
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* Logs HTTP access in Apache's combined log format
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*/
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module.exports = Class( 'AccessLog' )
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.extend( require( './Log' ),
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{
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/**
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* Monitors a user request for the end of the connection and adds an entry
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* to the access log
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*
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* @param UserRequest user_request
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*
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* @return AccessLog self
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*/
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'public attach': function( user_request )
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{
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if ( !( Class.isA( UserRequest, user_request ) ) )
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{
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throw new TypeError(
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'UserRequest expected, ' + ( user_request.toString() ) +
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' given'
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);
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}
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var self = this,
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request = user_request.getRequest();
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// log when the request is complete
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user_request.on( 'end', function()
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{
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// determine the remote address (in case we're behind a proxy, look
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// at X-Forwarded-For)
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var remote_addr = user_request.getRemoteAddr(),
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username = user_request.getSession().agentId() || '-';
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// access log (apache combined log format)
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self.write( '%s %s - - [%s] "%s %s HTTP/%s" %d %d "%s" "%s"',
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remote_addr,
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username,
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new Date(),
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request.method,
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request.url,
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request.httpVersion,
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user_request.getResponseCode(),
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user_request.getResponseLength(),
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request.headers['referer'] || '-',
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request.headers['user-agent'] || '-'
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);
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});
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return this;
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}
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} );
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