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AbstractHeader.php (10.09 KB)

DateHeader.php (1.47 KB)

HeaderInterface.php (1.4 KB)

Headers.php (7.48 KB)

IdentificationHeader.php (2.31 KB)

MailboxHeader.php (1.9 KB)

MailboxListHeader.php (3.07 KB)

ParameterizedHeader.php (5.17 KB)

PathHeader.php (1.21 KB)

UnstructuredHeader.php (1.25 KB)

Edit: ParameterizedHeader.php

<?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\Mime\Header;

use Symfony\Component\Mime\Encoder\Rfc2231Encoder;

/**
 * @author Chris Corbyn
 */
final class ParameterizedHeader extends UnstructuredHeader
{
    /**
     * RFC 2231's definition of a token.
     *
     * @var string
     */
    const TOKEN_REGEX = '(?:[\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E]+)';

private $encoder;
    private $parameters = [];

public function __construct(string $name, string $value, array $parameters = [])
    {
        parent::__construct($name, $value);

foreach ($parameters as $k => $v) {
            $this->setParameter($k, $v);
        }

if ('content-type' !== strtolower($name)) {
            $this->encoder = new Rfc2231Encoder();
        }
    }

public function setParameter(string $parameter, ?string $value)
    {
        $this->setParameters(array_merge($this->getParameters(), [$parameter => $value]));
    }

public function getParameter(string $parameter): string
    {
        return $this->getParameters()[$parameter] ?? '';
    }

/**
     * @param string[] $parameters
     */
    public function setParameters(array $parameters)
    {
        $this->parameters = $parameters;
    }

/**
     * @return string[]
     */
    public function getParameters(): array
    {
        return $this->parameters;
    }

public function getBodyAsString(): string
    {
        $body = parent::getBodyAsString();
        foreach ($this->parameters as $name => $value) {
            if (null !== $value) {
                $body .= '; '.$this->createParameter($name, $value);
            }
        }

return $body;
    }

/**
     * Generate a list of all tokens in the final header.
     *
     * This doesn't need to be overridden in theory, but it is for implementation
     * reasons to prevent potential breakage of attributes.
     */
    protected function toTokens(string $string = null): array
    {
        $tokens = parent::toTokens(parent::getBodyAsString());

// Try creating any parameters
        foreach ($this->parameters as $name => $value) {
            if (null !== $value) {
                // Add the semi-colon separator
                $tokens[\count($tokens) - 1] .= ';';
                $tokens = array_merge($tokens, $this->generateTokenLines(' '.$this->createParameter($name, $value)));
            }
        }

return $tokens;
    }

/**
     * Render a RFC 2047 compliant header parameter from the $name and $value.
     */
    private function createParameter(string $name, string $value): string
    {
        $origValue = $value;

$encoded = false;
        // Allow room for parameter name, indices, "=" and DQUOTEs
        $maxValueLength = $this->getMaxLineLength() - \strlen($name.'=*N"";') - 1;
        $firstLineOffset = 0;

// If it's not already a valid parameter value...
        if (!preg_match('/^'.self::TOKEN_REGEX.'$/D', $value)) {
            // TODO: text, or something else??
            // ... and it's not ascii
            if (!preg_match('/^[\x00-\x08\x0B\x0C\x0E-\x7F]*$/D', $value)) {
                $encoded = true;
                // Allow space for the indices, charset and language
                $maxValueLength = $this->getMaxLineLength() - \strlen($name.'*N*="";') - 1;
                $firstLineOffset = \strlen($this->getCharset()."'".$this->getLanguage()."'");
            }
        }

// Encode if we need to
        if ($encoded || \strlen($value) > $maxValueLength) {
            if (null !== $this->encoder) {
                $value = $this->encoder->encodeString($origValue, $this->getCharset(), $firstLineOffset, $maxValueLength);
            } else {
                // We have to go against RFC 2183/2231 in some areas for interoperability
                $value = $this->getTokenAsEncodedWord($origValue);
                $encoded = false;
            }
        }

$valueLines = $this->encoder ? explode("\r\n", $value) : [$value];

// Need to add indices
        if (\count($valueLines) > 1) {
            $paramLines = [];
            foreach ($valueLines as $i => $line) {
                $paramLines[] = $name.'*'.$i.$this->getEndOfParameterValue($line, true, 0 === $i);
            }

return implode(";\r\n ", $paramLines);
        } else {
            return $name.$this->getEndOfParameterValue($valueLines[0], $encoded, true);
        }
    }

/**
     * Returns the parameter value from the "=" and beyond.
     *
     * @param string $value to append
     */
    private function getEndOfParameterValue(string $value, bool $encoded = false, bool $firstLine = false): string
    {
        if (!preg_match('/^'.self::TOKEN_REGEX.'$/D', $value)) {
            $value = '"'.$value.'"';
        }
        $prepend = '=';
        if ($encoded) {
            $prepend = '*=';
            if ($firstLine) {
                $prepend = '*='.$this->getCharset()."'".$this->getLanguage()."'";
            }
        }

return $prepend.$value;
    }
}