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PwnedPasswords

A library to query Troy Hunt's Pwned Passwords service to see whether or not a password has been included in a public breach.

Requirements

  • PHP >= 7.2

Installation

Installing PwnedPasswords is made easy via Composer. Just require the package using the command below, and you are ready to go.

composer require mxrxdxn/pwned-passwords

Usage

To use the library, you can do something along the lines of the following.

require_once('vendor/autoload.php');

$pp = new PwnedPasswords\PwnedPasswords;

$password = '123456789';

$insecure = $pp->isPwned($password); //returns true or false

The isInsecure method will return true if the password has been found in the PwnedPasswords API, and false if not.

If you want to build your own thresholds (Ex. display a warning if the password has been found more than once and an error if more than 5x) you can call the isPwned method like below.

$pp = new PwnedPasswords\PwnedPasswords;

$password = '123456789';

$insecure = $pp->isPwned($password, true);

if ($insecure) {
    echo 'Oh no — pwned!' . "\n";
    echo sprintf('This password has been seen %d time%s before.', $insecure, ($insecure > 1 ? 's' : ''));
} else {
    echo 'All good!';
}

Issues

Please feel free to use the Github issue tracker to post any issues you have with this library.