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<?php |
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declare(strict_types=1); |
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namespace WebServCo\Framework\Helpers\Http; |
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class HeadersHelper |
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{ |
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/** |
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* Convert headers array (one header per line) into parsed array |
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* |
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* Array key will contain the header name |
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* Array value will be an array containing all the header values. |
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* "HTTP" line is ignored. |
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* |
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* @param array<int,string> $responseHeadersArray |
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* @return array<string,mixed> |
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*/ |
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public static function parseArray(array $responseHeadersArray = [], bool $lowercaseKey = true): array |
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{ |
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$headers = []; |
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foreach ($responseHeadersArray as $index => $line) { |
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if ('HTTP' === \substr($line, 0, 4)) { |
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continue; /* we'll get the status code elsewhere */ |
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} |
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$parts = \explode(': ', $line, 2); |
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if (!isset($parts[1])) { |
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continue; // invalid header (missing colon) |
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} |
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[$key, $value] = $parts; |
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if ($lowercaseKey) { |
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$key = \strtolower($key); |
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} |
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if (isset($headers[$key])) { |
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if (!\is_array($headers[$key])) { |
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$headers[$key] = [$headers[$key]]; |
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} |
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// check cookies |
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if ('Set-Cookie' === $key) { |
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$parts = \explode('=', $value, 2); |
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$cookieName = $parts[0]; |
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if (\is_array($headers[$key])) { |
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foreach ($headers[$key] as $cookieIndex => $existingCookie) { |
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// check if we already have a cookie with the same name |
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if (0 !== \mb_stripos($existingCookie, $cookieName)) { |
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continue; |
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} |
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// remove previous cookie with the same name |
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unset($headers[$key][$cookieIndex]); |
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} |
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} |
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} |
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$headers[$key][] = \trim($value); |
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$headers[$key] = \array_values((array) $headers[$key]); // re-index array |
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} else { |
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$headers[$key][] = \trim($value); |
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} |
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} |
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return $headers; |
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} |
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/** |
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* Convert headers string to array. |
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* |
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* Does not support multi line headers. |
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* "HTTP" line is ignored. |
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* |
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* @return array<string,mixed> |
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*/ |
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public static function parseString(string $headers, bool $lowercaseKey = true): array |
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{ |
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$array = \explode(\PHP_EOL, $headers); |
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return self::parseArray($array, $lowercaseKey); |
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} |
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} |
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webservco /
framework
