<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Routing;

use Symfony\Component\HttpFoundation\Request;

/**
 * Holds information about the current request.
 *
 * This class implements a fluent interface.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Tobias Schultze <http://tobion.de>
 */
class RequestContext
{
    private string $baseUrl;
    private string $pathInfo;
    private string $method;
    private string $host;
    private string $scheme;
    private int $httpPort;
    private int $httpsPort;
    private string $queryString;
    private array $parameters = [];

    public function __construct(string $baseUrl = '', string $method = 'GET', string $host = 'localhost', string $scheme = 'http', int $httpPort = 80, int $httpsPort = 443, string $path = '/', string $queryString = '')
    {
        $this->setBaseUrl($baseUrl);
        $this->setMethod($method);
        $this->setHost($host);
        $this->setScheme($scheme);
        $this->setHttpPort($httpPort);
        $this->setHttpsPort($httpsPort);
        $this->setPathInfo($path);
        $this->setQueryString($queryString);
    }

    public static function fromUri(string $uri, string $host = 'localhost', string $scheme = 'http', int $httpPort = 80, int $httpsPort = 443): self
    {
        $uri = parse_url($uri);
        $scheme = $uri['scheme'] ?? $scheme;
        $host = $uri['host'] ?? $host;

        if (isset($uri['port'])) {
            if ('http' === $scheme) {
                $httpPort = $uri['port'];
            } elseif ('https' === $scheme) {
                $httpsPort = $uri['port'];
            }
        }

        return new self($uri['path'] ?? '', 'GET', $host, $scheme, $httpPort, $httpsPort);
    }

    /**
     * Updates the RequestContext information based on a HttpFoundation Request.
     *
     * @return $this
     */
    public function fromRequest(Request $request): static
    {
        $this->setBaseUrl($request->getBaseUrl());
        $this->setPathInfo($request->getPathInfo());
        $this->setMethod($request->getMethod());
        $this->setHost($request->getHost());
        $this->setScheme($request->getScheme());
        $this->setHttpPort($request->isSecure() || null === $request->getPort() ? $this->httpPort : $request->getPort());
        $this->setHttpsPort($request->isSecure() && null !== $request->getPort() ? $request->getPort() : $this->httpsPort);
        $this->setQueryString($request->server->get('QUERY_STRING', ''));

        return $this;
    }

    /**
     * Gets the base URL.
     */
    public function getBaseUrl(): string
    {
        return $this->baseUrl;
    }

    /**
     * Sets the base URL.
     *
     * @return $this
     */
    public function setBaseUrl(string $baseUrl): static
    {
        $this->baseUrl = rtrim($baseUrl, '/');

        return $this;
    }

    /**
     * Gets the path info.
     */
    public function getPathInfo(): string
    {
        return $this->pathInfo;
    }

    /**
     * Sets the path info.
     *
     * @return $this
     */
    public function setPathInfo(string $pathInfo): static
    {
        $this->pathInfo = $pathInfo;

        return $this;
    }

    /**
     * Gets the HTTP method.
     *
     * The method is always an uppercased string.
     */
    public function getMethod(): string
    {
        return $this->method;
    }

    /**
     * Sets the HTTP method.
     *
     * @return $this
     */
    public function setMethod(string $method): static
    {
        $this->method = strtoupper($method);

        return $this;
    }

    /**
     * Gets the HTTP host.
     *
     * The host is always lowercased because it must be treated case-insensitive.
     */
    public function getHost(): string
    {
        return $this->host;
    }

    /**
     * Sets the HTTP host.
     *
     * @return $this
     */
    public function setHost(string $host): static
    {
        $this->host = strtolower($host);

        return $this;
    }

    /**
     * Gets the HTTP scheme.
     */
    public function getScheme(): string
    {
        return $this->scheme;
    }

    /**
     * Sets the HTTP scheme.
     *
     * @return $this
     */
    public function setScheme(string $scheme): static
    {
        $this->scheme = strtolower($scheme);

        return $this;
    }

    /**
     * Gets the HTTP port.
     */
    public function getHttpPort(): int
    {
        return $this->httpPort;
    }

    /**
     * Sets the HTTP port.
     *
     * @return $this
     */
    public function setHttpPort(int $httpPort): static
    {
        $this->httpPort = $httpPort;

        return $this;
    }

    /**
     * Gets the HTTPS port.
     */
    public function getHttpsPort(): int
    {
        return $this->httpsPort;
    }

    /**
     * Sets the HTTPS port.
     *
     * @return $this
     */
    public function setHttpsPort(int $httpsPort): static
    {
        $this->httpsPort = $httpsPort;

        return $this;
    }

    /**
     * Gets the query string without the "?".
     */
    public function getQueryString(): string
    {
        return $this->queryString;
    }

    /**
     * Sets the query string.
     *
     * @return $this
     */
    public function setQueryString(?string $queryString): static
    {
        // string cast to be fault-tolerant, accepting null
        $this->queryString = (string) $queryString;

        return $this;
    }

    /**
     * Returns the parameters.
     */
    public function getParameters(): array
    {
        return $this->parameters;
    }

    /**
     * Sets the parameters.
     *
     * @param array $parameters The parameters
     *
     * @return $this
     */
    public function setParameters(array $parameters): static
    {
        $this->parameters = $parameters;

        return $this;
    }

    /**
     * Gets a parameter value.
     */
    public function getParameter(string $name): mixed
    {
        return $this->parameters[$name] ?? null;
    }

    /**
     * Checks if a parameter value is set for the given parameter.
     */
    public function hasParameter(string $name): bool
    {
        return \array_key_exists($name, $this->parameters);
    }

    /**
     * Sets a parameter value.
     *
     * @return $this
     */
    public function setParameter(string $name, mixed $parameter): static
    {
        $this->parameters[$name] = $parameter;

        return $this;
    }

    public function isSecure(): bool
    {
        return 'https' === $this->scheme;
    }
}

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• [F] Alias.php
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• [F] CHANGELOG.md
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• [F] LICENSE
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• [F] README.md
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• [F] RequestContext.php
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• [F] RequestContextAwareInterface.php
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As digital transactions proliferate, ensuring robust payment security is more critical than ever. Two foundational technologies that are pivotal in this effort are encryption and tokenization.
Encryption is a process that transforms data into a secure format, known as ciphertext, which can only be deciphered using a specific decryption key. This means that even if data is intercepted during transmission, it remains unreadable and protected from unauthorized access. Encryption is essential in safeguarding sensitive payment information, such as credit card details and personal data, during online transactions.
Tokenization, on the other hand, involves substituting sensitive data with unique identifiers or "tokens." These tokens serve as placeholders and have no value outside of the specific transaction context. If intercepted, tokens are meaningless and cannot be used to access the original sensitive data. This method significantly reduces the risk of fraud and data breaches, as the actual payment information is not stored or transmitted.
Together, encryption and tokenization form a powerful security framework. Encryption ensures that data is protected during transmission, while tokenization minimizes the risk of exposing sensitive information by replacing it with secure, non-sensitive tokens.
These technologies are integral to modern payment platforms, providing a robust defense against cyber threats. By implementing advanced encryption and tokenization techniques, businesses can enhance the security of digital transactions, ensuring that users' financial and personal information remains safe. This comprehensive approach not only builds user trust but also fortifies the overall security infrastructure of digital payment systems. As cyber threats evolve, the continued advancement of encryption and tokenization will be crucial in maintaining secure and reliable payment processes.

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