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<?php |
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namespace Rogierw\RwAcme\Http; |
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use CurlHandle; |
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use Rogierw\RwAcme\Interfaces\HttpClientInterface; |
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class Client implements HttpClientInterface |
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{ |
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public function __construct(private readonly int $timeout = 10) |
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{ |
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} |
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public function head(string $url): Response |
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{ |
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return $this->makeCurlRequest('head', $url); |
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} |
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public function get(string $url, array $headers = [], array $arguments = [], int $maxRedirects = 0): Response |
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{ |
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return $this->makeCurlRequest('get', $url, $headers, $arguments, $maxRedirects); |
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} |
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public function post(string $url, array $payload = [], array $headers = [], int $maxRedirects = 0): Response |
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{ |
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$headers = array_merge(['Content-Type: application/jose+json'], $headers); |
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return $this->makeCurlRequest('post', $url, $headers, $payload, $maxRedirects); |
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} |
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private function makeCurlRequest( |
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string $httpVerb, |
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string $fullUrl, |
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array $headers = [], |
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array $payload = [], |
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int $maxRedirects = 0, |
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int $retries = 3 |
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): Response { |
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$allHeaders = array_merge([ |
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'Content-Type: ' . ($httpVerb === 'post') ? 'application/jose+json' : 'application/json', |
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], $headers); |
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$curlHandle = $this->getCurlHandle($fullUrl, $allHeaders, $maxRedirects); |
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switch ($httpVerb) { |
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case 'head': |
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curl_setopt($curlHandle, CURLOPT_CUSTOMREQUEST, 'HEAD'); |
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curl_setopt($curlHandle, CURLOPT_NOBODY, true); |
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break; |
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case 'get': |
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curl_setopt($curlHandle, CURLOPT_URL, $fullUrl . '?' . http_build_query($payload)); |
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break; |
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case 'post': |
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curl_setopt($curlHandle, CURLOPT_POST, true); |
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$this->attachRequestPayload($curlHandle, $payload); |
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break; |
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} |
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$rawResponse = curl_exec($curlHandle); |
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$headerSize = curl_getinfo($curlHandle, CURLINFO_HEADER_SIZE); |
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$allHeaders = curl_getinfo($curlHandle); |
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$rawHeaders = mb_substr($rawResponse, 0, $headerSize); |
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$rawBody = mb_substr($rawResponse, $headerSize); |
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$body = $rawBody; |
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$allHeaders = array_merge($allHeaders, $this->parseRawHeaders($rawHeaders)); |
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if (json_validate($rawBody)) { |
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$body = json_decode($rawBody, true, 512, JSON_THROW_ON_ERROR); |
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} |
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$httpCode = $allHeaders['http_code'] ?? null; |
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// Catch HTTP status code 0 when Let's Encrypt API is having problems. |
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if ($httpCode === 0) { |
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// Retry. |
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if ($retries > 0) { |
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return $this->makeCurlRequest($httpVerb, $fullUrl, $headers, $payload, $maxRedirects, --$retries); |
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} |
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// Return 504 Gateway Timeout. |
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$httpCode = 504; |
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} |
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return new Response($allHeaders, $allHeaders['url'] ?? '', $httpCode, $body); |
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} |
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private function attachRequestPayload(CurlHandle $curlHandle, array $data): void |
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{ |
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$encoded = json_encode($data, JSON_THROW_ON_ERROR); |
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curl_setopt($curlHandle, CURLOPT_POSTFIELDS, $encoded); |
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} |
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private function getCurlHandle(string $fullUrl, array $headers = [], int $maxRedirects = 0): CurlHandle |
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{ |
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$curlHandle = curl_init(); |
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curl_setopt($curlHandle, CURLOPT_URL, $fullUrl); |
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curl_setopt($curlHandle, CURLOPT_HTTPHEADER, array_merge([ |
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'Accept: application/json', |
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], $headers)); |
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curl_setopt($curlHandle, CURLOPT_USERAGENT, 'rogierw/rw-acme-client'); |
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curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($curlHandle, CURLOPT_TIMEOUT, $this->timeout); |
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curl_setopt($curlHandle, CURLOPT_SSL_VERIFYPEER, true); |
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curl_setopt($curlHandle, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); |
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curl_setopt($curlHandle, CURLOPT_ENCODING, ''); |
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curl_setopt($curlHandle, CURLOPT_HEADER, true); |
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if ($maxRedirects > 0) { |
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curl_setopt($curlHandle, CURLOPT_FOLLOWLOCATION, true); |
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curl_setopt($curlHandle, CURLOPT_MAXREDIRS, $maxRedirects); |
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} |
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return $curlHandle; |
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} |
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private function parseRawHeaders(string $rawHeaders): array |
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{ |
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$headers = explode("\n", $rawHeaders); |
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$headersArr = []; |
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foreach ($headers as $header) { |
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if (!str_contains($header, ':')) { |
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continue; |
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} |
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[$name, $value] = explode(':', $header, 2); |
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$headersArr[str_replace('_', '-', strtolower($name))] = trim($value); |
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} |
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return $headersArr; |
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} |
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} |
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RogierW /
rw-acme-client
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