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<?php |
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namespace PiedWeb\Curl; |
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class Helper |
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{ |
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/** |
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* Return scheme from proxy string and remove Scheme From proxy. |
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*/ |
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public static function getSchemeFrom(string &$proxy): string |
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{ |
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if (! preg_match('@^([a-z0-9]*)://@', $proxy, $match)) { |
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return 'http://'; |
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} |
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$scheme = $match[1].'://'; |
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$proxy = substr($proxy, \strlen($scheme)); |
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return $scheme; |
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} |
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/** |
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* Parse HTTP headers (php HTTP functions but generally, this packet isn't installed). |
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* |
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* @source http://www.php.net/manual/en/function.http-parse-headers.php#112917 |
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* |
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* @param string $raw_headers Contain HTTP headers |
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* |
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* @return array<int|string, string|string[]> |
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*/ |
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public static function httpParseHeaders(string $raw_headers): array |
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{ |
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$headers = []; |
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$key = ''; |
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foreach (explode("\n", $raw_headers) as $h) { |
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$h = explode(':', $h, 2); |
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if (isset($h[1])) { |
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if (! isset($headers[$h[0]])) { |
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$headers[$h[0]] = trim($h[1]); |
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} elseif (\is_array($headers[$h[0]])) { |
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$headers[$h[0]] = array_merge($headers[$h[0]], [trim($h[1])]); |
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} else { |
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$headers[$h[0]] = array_merge([$headers[$h[0]]], [trim($h[1])]); |
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} |
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$key = $h[0]; |
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} else { |
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if ("\t" == substr($h[0], 0, 1)) { |
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$headers[$key] .= "\r\n\t".trim($h[0]); |
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} elseif (! $key) { |
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$headers[0] = trim($h[0]); |
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} |
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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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* This is taken from the GuzzleHTTP/PSR7 library, |
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* see https://github.com/guzzle/psr7 for more info. |
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* |
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* Parse an array of header values containing ";" separated data into an |
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* array of associative arrays representing the header key value pair |
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* data of the header. When a parameter does not contain a value, but just |
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* contains a key, this function will inject a key with a '' string value. |
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* |
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* @param string|string[] $header header to parse into components |
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* |
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* @return array<int, array<int|string, string>> returns the parsed header values |
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*/ |
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public static function parseHeader($header): array |
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{ |
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static $trimmed = "\"' \n\t\r"; |
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$params = $matches = []; |
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foreach (self::normalizeHeader($header) as $val) { |
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$part = []; |
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foreach (\Safe\preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) as $kvp) { |
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if (preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) { |
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$m = $matches[0]; |
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if (isset($m[1])) { |
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$part[trim($m[0], $trimmed)] = trim($m[1], $trimmed); |
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} else { |
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$part[] = trim($m[0], $trimmed); |
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} |
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} |
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} |
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if ($part) { |
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$params[] = $part; |
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} |
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} |
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return $params; |
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} |
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/** |
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* This is taken from the GuzzleHTTP/PSR7 library, |
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* see https://github.com/guzzle/psr7 for more info. |
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* |
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* Converts an array of header values that may contain comma separated |
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* headers into an array of headers with no comma separated values. |
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* |
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* @param string|string[] $header header to normalize |
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* |
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* @return string[] returns the normalized header field values |
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*/ |
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protected static function normalizeHeader(mixed $header): array |
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{ |
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if (! \is_array($header)) { |
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return array_map('trim', explode(',', $header)); |
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} |
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$result = []; |
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foreach ($header as $value) { |
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foreach ((array) $value as $v) { |
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if (false === strpos($v, ',')) { |
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$result[] = $v; |
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continue; |
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} |
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foreach (\Safe\preg_split('/,(?=([^"]*"[^"]*")*[^"]*$)/', $v) as $vv) { |
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$result[] = trim($vv); |
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} |
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} |
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} |
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return $result; |
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} |
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public static function checkContentType(string $line, string $expected = 'text/html'): bool |
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{ |
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return 0 === stripos(trim($line), 'content-type') && false !== stripos($line, $expected); |
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} |
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public static function checkStatusCode(string $line, int $expected = 200): bool |
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{ |
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return 0 === stripos(trim($line), 'http') && false !== stripos($line, ' '.$expected.' '); |
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} |
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} |
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PiedWeb /
Curl
