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10.05 | |||
| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Ndrstmr\Icap; |
| 6 | |
| 7 | use Ndrstmr\Icap\DTO\IcapRequest; |
| 8 | |
| 9 | /** |
| 10 | * Default implementation converting an {@link IcapRequest} into a raw string. |
| 11 | */ |
| 12 | class RequestFormatter implements RequestFormatterInterface |
| 13 | { |
| 14 | /** |
| 15 | * @param IcapRequest $request |
| 16 | */ |
| 17 | public function format(IcapRequest $request): string |
| 18 | { |
| 19 | $parts = parse_url($request->uri); |
| 20 | $host = $parts['host'] ?? ''; |
| 21 | |
| 22 | $requestLine = sprintf('%s %s ICAP/1.0', $request->method, $request->uri); |
| 23 | |
| 24 | $headers = $request->headers; |
| 25 | if (!isset($headers['Host'])) { |
| 26 | $headers['Host'] = [$host]; |
| 27 | } |
| 28 | if (!isset($headers['Encapsulated'])) { |
| 29 | $headers['Encapsulated'] = ['null-body=0']; |
| 30 | } |
| 31 | |
| 32 | $headerLines = ''; |
| 33 | foreach ($headers as $name => $values) { |
| 34 | foreach ($values as $value) { |
| 35 | $headerLines .= $name . ': ' . $value . "\r\n"; |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | $body = ''; |
| 40 | if (is_resource($request->body)) { |
| 41 | rewind($request->body); |
| 42 | while (!feof($request->body)) { |
| 43 | $chunk = fread($request->body, 8192); |
| 44 | if ($chunk === false) { |
| 45 | break; |
| 46 | } |
| 47 | $len = dechex(strlen($chunk)); |
| 48 | $body .= $len . "\r\n" . $chunk . "\r\n"; |
| 49 | } |
| 50 | $body .= "0\r\n\r\n"; |
| 51 | } elseif (is_string($request->body) && $request->body !== '') { |
| 52 | $body = $request->body; |
| 53 | } |
| 54 | |
| 55 | return $requestLine . "\r\n" . $headerLines . "\r\n" . $body; |
| 56 | } |
| 57 | } |