/js-interceptor-logger

Intercept all XHR Request on a Application server and log them to a log file. The data in the logfile is an chain of SQL INSERT INTO queries

Primary LanguageJava

Logging Service

Intercept all XHR Request on a Application server and log them to a log file.
The data in the logfile is an chain of SQL INSERT INTO queries

Installation

Requirements

  • Java 8 (JDK)
  • Apache Maven
  • Web Browser

Build with maven

  • Build using Maven mvn clean install
  • Build and run embedded Tomcat (developer) mvn clean install tomcat7:run

Start the application

  • Deploy as WAR target/dev-tools##1.0.war

Use the application

  • http://localhost:8080/logging-service
    • Mask to create traffic
  • LogServlet
    • Displays all logfiles under the Apache Tomcats logs directory
  • JSF Ajax Interception
    • Dummy application in which all XHR requests are intercepted
  • Add JS snippets to other applications to log their requests 
    <script src="/logging-service/resources/js/httpLogger.js"></script>
<script src="/logging-service/resources/js/httpLogger-interceptor.js"></script>

Analyze data

create table

JS readyStates

CREATE TABLE LOG_REQUESTS (
    id int PRIMARY KEY AUTO_INCREMENT, 
    readyStateDate_1 DATETIME(3),
    readyStateDate_2 DATETIME(3),
    readyStateDate_3 DATETIME(3),
    readyStateDate_4 DATETIME(3),
    statusCode INT,
    url VARCHAR(255),
    browser VARCHAR(255),
    requestBody TEXT,
    responseHeaders TEXT
);

import (MySQL)

curl "http://192.168.0.45:8080/logging-service/LogServlet?logFile=MyLogFile2018-06-03.log" > /tmp/dump.sql
mysql -u root -D LOGGING_DATABASE -p < /tmp/dump.sql

select example (MySQL)

SELECT 
	url, 
	readyStateDate_1 as start_time, 
	readyStateDate_2 - readyStateDate_1 as time_till_open_called,
	readyStateDate_3 - readyStateDate_2 as time_till_headers_available,
	readyStateDate_4 - readyStateDate_3 as time_till_responsetext_loaded,
	readyStateDate_4 as end_time,
	readyStateDate_4 - readyStateDate_1 as total_time
from 
	LOG_REQUESTS
ORDER BY 
	total_time DESC