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<?php |
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declare(strict_types=1); |
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namespace PTS\Psr7; |
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use InvalidArgumentException; |
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use Psr\Http\Message\MessageInterface; |
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use Psr\Http\Message\StreamInterface; |
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use function is_numeric; |
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use function is_string; |
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use function preg_match; |
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use function trim; |
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class Message implements MessageInterface |
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{ |
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/** |
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* RFC-2616, RFC-7230 - case-insensitive; HTTP2 pack convert all header to lowercase |
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* |
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* @var array - all header name will be convert to lowercase |
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*/ |
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protected array $headers = []; |
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protected string $protocol = '1.1'; |
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protected ?StreamInterface $stream = null; |
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public function getProtocolVersion(): string |
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{ |
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return $this->protocol; |
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} |
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public function withProtocolVersion($version): self |
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{ |
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if ($this->protocol !== $version) { |
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$this->protocol = $version; |
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} |
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return $this; |
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} |
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public function getHeaders(): array |
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{ |
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return $this->headers; |
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} |
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public function hasHeader($name): bool |
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{ |
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$name = strtolower($name); |
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$hasHeader = $this->headers[$name] ?? null; |
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return $hasHeader !== null; |
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} |
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public function getHeader($name): array |
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{ |
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$name = strtolower($name); |
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return $this->headers[$name] ?? []; |
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} |
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public function getHeaderLine($name): string |
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{ |
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return implode(', ', $this->getHeader($name)); |
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} |
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public function withHeader($name, $value): self |
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{ |
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$name = strtolower($name); |
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$value = array_map('trim', (array)$value); |
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$this->validateHeader($name, $value); |
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$this->headers[$name] = $value; |
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return $this; |
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} |
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public function withoutHeader($name): self |
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{ |
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$name = strtolower($name); |
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unset($this->headers[$name]); |
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return $this; |
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} |
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public function getBody(): StreamInterface |
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{ |
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if (!$this->stream) { |
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$this->stream = Stream::create(''); |
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} |
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return $this->stream; |
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} |
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public function withBody(StreamInterface $body): self |
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{ |
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$this->stream = $body; |
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return $this; |
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} |
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public function reset(): static |
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{ |
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$this->headers = []; |
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if ($this->stream) { |
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$this->stream->close(); |
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$this->stream = null; |
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} |
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return $this; |
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} |
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protected function validateHeader(string $name, array $values): void |
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{ |
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if (preg_match("@^[!#$%&'*+.^_`|~0-9A-Za-z-]+$@", $name) !== 1) { |
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throw new InvalidArgumentException('Header name must be an RFC 7230 compatible string.'); |
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} |
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foreach ($values as $v) { |
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if (!is_string($v) || 1 !== preg_match("@^[ \x09\x21-\x7E\x80-\xFF]*$@", (string)$v)) { |
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throw new InvalidArgumentException('Header values must be RFC 7230 compatible strings.'); |
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} |
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} |
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} |
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public function withAddedHeader($name, $value): self |
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{ |
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$this->setHeaders([$name => $value]); |
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return $this; |
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} |
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protected function setHeaders(array $headers): void |
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{ |
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$this->validateHeaders($headers); |
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foreach ($headers as $name => $values) { |
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$values = (array)$values; |
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$name = strtolower((string)$name); |
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if (!($this->headers[$name] ?? false)) { |
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$this->headers[$name] = []; |
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} |
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foreach ($values as &$value) { |
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$value = trim((string)$value); |
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} |
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$this->headers[$name] = [...$this->headers[$name], ...$values]; |
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} |
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} |
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/** |
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* @param array $headers |
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* |
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* It is more strict validate than RFC-7230 |
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*/ |
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public function validateHeaders(array $headers): void |
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{ |
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if (count($headers)) { |
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$names = implode('', array_keys($headers)); |
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if (preg_match("/^[~0-9A-Za-z-+_.]+$/", $names) !== 1) { |
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throw new InvalidArgumentException("Header names is incorrect: $names"); |
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} |
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$this->validateHeadersValues($headers); |
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} |
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} |
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protected function validateHeadersValues(array $headers): void |
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{ |
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$allValues = ''; |
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foreach ($headers as $values) { |
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foreach ((array)$values as $value) { |
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$allValues .= $value; |
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} |
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} |
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# https://donsnotes.com/tech/charsets/ascii.html |
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if ($allValues && preg_match("/^[\x09\x20-\x7E\x80-\xFF]+$/", $allValues) !== 1) { |
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throw new InvalidArgumentException('The value is incorrect for one of the header.'); |
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} |
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} |
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} |
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alexpts /
php-mutable-psr7
