Added possibility to enable accepting certificates from a file

Author: OndraHunal

docs/en/index.md

@@ -125,6 +125,20 @@ $httpRequest = HttpRequest::from('https://www.example.com/', HttpMethod::GET, [
 ]);
 ```
 
+Option `verify` can be set by boolean value or by specifying path to accepted certificate file.
+
+```php
+$httpRequest = HttpRequest::from('https://www.example.com/', HttpMethod::GET, [
+	'verify' => false,
+]);
+```
+
+```php
+$httpRequest = HttpRequest::from('https://www.example.com/', HttpMethod::GET, [
+	'verify' => 'path/to/some/accepted/certificate.crt',
+]);
+```
+
 ## Redirects
 
 

src/Fapi/HttpClient/GuzzleHttpClient.php

@@ -104,10 +104,17 @@ private function processOptions(RequestInterface $request): array
 			$options['connect_timeout'] = (int) ($headerLine !== '' ? $headerLine : 5);
 		}
 
-		if ($request->hasHeader('verify') && !(bool) $request->getHeaderLine('verify')) {
-			$options['verify'] = false;
+		if ($request->hasHeader('verify')) {
+			$headerLine = $request->getHeaderLine('verify');
+
+			$options['verify'] = match($headerLine) {
+				'false', '' => false,
+				'true', '1' => true,
+				default => $headerLine,
+			};
 		}
 
+
 		if ($request->hasHeader('cert')) {
 			$options['cert'] = $request->getHeaderLine('cert');
 		}

src/Fapi/HttpClient/HttpRequest.php

@@ -108,7 +108,10 @@ private static function preProcessHeaders(array $options, StreamInterface|string
 		if (isset($options['verify'])) {
 			$value = $options['verify'];
 			self::validateVerify($value);
-			$data['verify'] = (bool) $value;
+			if (is_bool($value)) {
+				$value = $value ? 'true' : 'false';
+			}
+			$data['verify'] = $value;
 		}
 
 		if (isset($options['cert'])) {
@@ -211,8 +214,8 @@ private static function validateConnectTimeoutOption(mixed $connectTimeout): voi
 
 	private static function validateVerify(mixed $verify): void
 	{
-		if (!is_bool($verify)) {
-			throw new InvalidArgumentException('Option verify must be an bool.');
+		if (!(is_bool($verify) || (is_string($verify) && file_exists($verify)))) {
+			throw new InvalidArgumentException('Option verify must be an bool or a string path to file, '.$verify.' given.');
 		}
 	}