<?php

namespace Illuminate\Validation;

use Exception;
use Illuminate\Contracts\Validation\UncompromisedVerifier;
use Illuminate\Support\Str;

class NotPwnedVerifier implements UncompromisedVerifier
{
    /**
     * The HTTP factory instance.
     *
     * @var \Illuminate\Http\Client\Factory
     */
    protected $factory;

    /**
     * The number of seconds the request can run before timing out.
     *
     * @var int
     */
    protected $timeout;

    /**
     * Create a new uncompromised verifier.
     *
     * @param  \Illuminate\Http\Client\Factory  $factory
     * @param  int|null  $timeout
     * @return void
     */
    public function __construct($factory, $timeout = null)
    {
        $this->factory = $factory;
        $this->timeout = $timeout ?? 30;
    }

    /**
     * Verify that the given data has not been compromised in public breaches.
     *
     * @param  array  $data
     * @return bool
     */
    public function verify($data)
    {
        $value = $data['value'];
        $threshold = $data['threshold'];

        if (empty($value = (string) $value)) {
            return false;
        }

        [$hash, $hashPrefix] = $this->getHash($value);

        return ! $this->search($hashPrefix)
            ->contains(function ($line) use ($hash, $hashPrefix, $threshold) {
                [$hashSuffix, $count] = explode(':', $line);

                return $hashPrefix.$hashSuffix == $hash && $count > $threshold;
            });
    }

    /**
     * Get the hash and its first 5 chars.
     *
     * @param  string  $value
     * @return array
     */
    protected function getHash($value)
    {
        $hash = strtoupper(sha1((string) $value));

        $hashPrefix = substr($hash, 0, 5);

        return [$hash, $hashPrefix];
    }

    /**
     * Search by the given hash prefix and returns all occurrences of leaked passwords.
     *
     * @param  string  $hashPrefix
     * @return \Illuminate\Support\Collection
     */
    protected function search($hashPrefix)
    {
        try {
            $response = $this->factory->withHeaders([
                'Add-Padding' => true,
            ])->timeout($this->timeout)->get(
                'https://api.pwnedpasswords.com/range/'.$hashPrefix
            );
        } catch (Exception $e) {
            report($e);
        }

        $body = (isset($response) && $response->successful())
            ? $response->body()
            : '';

        return Str::of($body)->trim()->explode("\n")->filter(function ($line) {
            return str_contains($line, ':');
        });
    }
}

• [D] Concerns
• [D] Rules
• [F] ClosureValidationRule.php
  Delete
• [F] composer.json
  Delete
• [F] ConditionalRules.php
  Delete
• [F] DatabasePresenceVerifier.php
  Delete
• [F] DatabasePresenceVerifierInterface.php
  Delete
• [F] Factory.php
  Delete
• [F] InvokableValidationRule.php
  Delete
• [F] LICENSE.md
  Delete
• [F] NestedRules.php
  Delete
• [F] NotPwnedVerifier.php
  Delete
• [F] PresenceVerifierInterface.php
  Delete
• [F] Rule.php
  Delete
• [F] UnauthorizedException.php
  Delete
• [F] ValidatesWhenResolvedTrait.php
  Delete
• [F] ValidationData.php
  Delete
• [F] ValidationException.php
  Delete
• [F] ValidationRuleParser.php
  Delete
• [F] ValidationServiceProvider.php
  Delete
• [F] Validator.php
  Delete

About Section

About NFC Pay: Our Story and Mission

NFC Pay was founded with a vision to transform the way people handle transactions. Our journey is defined by a commitment to innovation, security, and convenience. We strive to deliver seamless, user-friendly payment solutions that make everyday transactions effortless and secure. Our mission is to empower you to pay with ease and confidence, anytime, anywhere.

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FAQ Section

Frequently Asked Questions About NFC Pay

Here are answers to some common questions about NFC Pay. We aim to provide clear and concise information to help you understand how our platform works and how it can benefit you. If you have any further inquiries, please don’t hesitate to contact our support team.

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