home/alospiesjs/www/apis/youtube/vendor/guzzlehttp/psr7/src/MessageTrait.php000060400000017527151160473450023442 0ustar00 Map of all registered headers, as original name => array of values */ private $headers = []; /** @var array Map of lowercase header name => original name at registration */ private $headerNames = []; /** @var string */ private $protocol = '1.1'; /** @var StreamInterface|null */ private $stream; public function getProtocolVersion(): string { return $this->protocol; } public function withProtocolVersion($version): MessageInterface { if ($this->protocol === $version) { return $this; } $new = clone $this; $new->protocol = $version; return $new; } public function getHeaders(): array { return $this->headers; } public function hasHeader($header): bool { return isset($this->headerNames[strtolower($header)]); } public function getHeader($header): array { $header = strtolower($header); if (!isset($this->headerNames[$header])) { return []; } $header = $this->headerNames[$header]; return $this->headers[$header]; } public function getHeaderLine($header): string { return implode(', ', $this->getHeader($header)); } public function withHeader($header, $value): MessageInterface { $this->assertHeader($header); $value = $this->normalizeHeaderValue($value); $normalized = strtolower($header); $new = clone $this; if (isset($new->headerNames[$normalized])) { unset($new->headers[$new->headerNames[$normalized]]); } $new->headerNames[$normalized] = $header; $new->headers[$header] = $value; return $new; } public function withAddedHeader($header, $value): MessageInterface { $this->assertHeader($header); $value = $this->normalizeHeaderValue($value); $normalized = strtolower($header); $new = clone $this; if (isset($new->headerNames[$normalized])) { $header = $this->headerNames[$normalized]; $new->headers[$header] = array_merge($this->headers[$header], $value); } else { $new->headerNames[$normalized] = $header; $new->headers[$header] = $value; } return $new; } public function withoutHeader($header): MessageInterface { $normalized = strtolower($header); if (!isset($this->headerNames[$normalized])) { return $this; } $header = $this->headerNames[$normalized]; $new = clone $this; unset($new->headers[$header], $new->headerNames[$normalized]); return $new; } public function getBody(): StreamInterface { if (!$this->stream) { $this->stream = Utils::streamFor(''); } return $this->stream; } public function withBody(StreamInterface $body): MessageInterface { if ($body === $this->stream) { return $this; } $new = clone $this; $new->stream = $body; return $new; } /** * @param array $headers */ private function setHeaders(array $headers): void { $this->headerNames = $this->headers = []; foreach ($headers as $header => $value) { if (is_int($header)) { // Numeric array keys are converted to int by PHP but having a header name '123' is not forbidden by the spec // and also allowed in withHeader(). So we need to cast it to string again for the following assertion to pass. $header = (string) $header; } $this->assertHeader($header); $value = $this->normalizeHeaderValue($value); $normalized = strtolower($header); if (isset($this->headerNames[$normalized])) { $header = $this->headerNames[$normalized]; $this->headers[$header] = array_merge($this->headers[$header], $value); } else { $this->headerNames[$normalized] = $header; $this->headers[$header] = $value; } } } /** * @param mixed $value * * @return string[] */ private function normalizeHeaderValue($value): array { if (!is_array($value)) { return $this->trimAndValidateHeaderValues([$value]); } if (count($value) === 0) { throw new \InvalidArgumentException('Header value can not be an empty array.'); } return $this->trimAndValidateHeaderValues($value); } /** * Trims whitespace from the header values. * * Spaces and tabs ought to be excluded by parsers when extracting the field value from a header field. * * header-field = field-name ":" OWS field-value OWS * OWS = *( SP / HTAB ) * * @param mixed[] $values Header values * * @return string[] Trimmed header values * * @see https://tools.ietf.org/html/rfc7230#section-3.2.4 */ private function trimAndValidateHeaderValues(array $values): array { return array_map(function ($value) { if (!is_scalar($value) && null !== $value) { throw new \InvalidArgumentException(sprintf( 'Header value must be scalar or null but %s provided.', is_object($value) ? get_class($value) : gettype($value) )); } $trimmed = trim((string) $value, " \t"); $this->assertValue($trimmed); return $trimmed; }, array_values($values)); } /** * @see https://tools.ietf.org/html/rfc7230#section-3.2 * * @param mixed $header */ private function assertHeader($header): void { if (!is_string($header)) { throw new \InvalidArgumentException(sprintf( 'Header name must be a string but %s provided.', is_object($header) ? get_class($header) : gettype($header) )); } if (! preg_match('/^[a-zA-Z0-9\'`#$%&*+.^_|~!-]+$/', $header)) { throw new \InvalidArgumentException( sprintf( '"%s" is not valid header name', $header ) ); } } /** * @see https://tools.ietf.org/html/rfc7230#section-3.2 * * field-value = *( field-content / obs-fold ) * field-content = field-vchar [ 1*( SP / HTAB ) field-vchar ] * field-vchar = VCHAR / obs-text * VCHAR = %x21-7E * obs-text = %x80-FF * obs-fold = CRLF 1*( SP / HTAB ) */ private function assertValue(string $value): void { // The regular expression intentionally does not support the obs-fold production, because as // per RFC 7230#3.2.4: // // A sender MUST NOT generate a message that includes // line folding (i.e., that has any field-value that contains a match to // the obs-fold rule) unless the message is intended for packaging // within the message/http media type. // // Clients must not send a request with line folding and a server sending folded headers is // likely very rare. Line folding is a fairly obscure feature of HTTP/1.1 and thus not accepting // folding is not likely to break any legitimate use case. if (! preg_match('/^[\x20\x09\x21-\x7E\x80-\xFF]*$/', $value)) { throw new \InvalidArgumentException(sprintf('"%s" is not valid header value', $value)); } } }