Quoin - Search Engines utility library

This library tries to detect if an access is coming from a search engine.

Basic usage

const searchEngines = require('@quoin/search-engines');

if (searchEngines.match('127.0.0.1', 'Some User Agent')) {
    console.log("This seems to be a search engine.");
} else {
    console.log("This seems to be a normal visit.");
}

API

.get(name)

Gets the search engine defined by name. It returns an instance of SearchEngine.

.listNames()

Gets the list of search engine names. The names can then be used with .get(name) call to get the specific search engine instance.

.match(ipAddress, userAgentString)

Finds if the combination of ipAddress and userAgentString refers to a known search engine. It returns true or false.

.find(ipAddress, userAgentString)

Finds the first search engine instance that matches the combination. The instance of SearchEngine is returned.

Where are the information coming from?

This is a mixed list of manually massaged information from below sites:

• The list of CIDR comes from Free IP2Location Firewall List by Search Engine

  I've obtained the Apache .htaccess allow file format and hand edited them to only have the CIDR on each line.

• The user-agent data comes from (https://www.rtcx.net/bot-list)[https://www.rtcx.net/bot-list]

  Only Search Engine are keep for this repo. Some CIDR not present on above source are added from here.