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| 1 | +<?php |
| 2 | + |
| 3 | +namespace Algolia\AlgoliaSearch\Http; |
| 4 | + |
| 5 | +use Algolia\AlgoliaSearch\Http\Psr7\Response; |
| 6 | +use Psr\Http\Message\RequestInterface; |
| 7 | + |
| 8 | +final class CurlHttpClient implements HttpClientInterface |
| 9 | +{ |
| 10 | + private $curlMHandle; |
| 11 | + |
| 12 | + private $curlOptions; |
| 13 | + |
| 14 | + public function __construct($curlOptions = []) |
| 15 | + { |
| 16 | + $this->curlOptions = $curlOptions; |
| 17 | + } |
| 18 | + |
| 19 | + public function sendRequest( |
| 20 | + RequestInterface $request, |
| 21 | + $timeout, |
| 22 | + $connectTimeout |
| 23 | + ) { |
| 24 | + $curlHandle = curl_init(); |
| 25 | + |
| 26 | + // set curl options |
| 27 | + try { |
| 28 | + foreach ($this->curlOptions as $curlOption => $optionValue) { |
| 29 | + curl_setopt($curlHandle, constant($curlOption), $optionValue); |
| 30 | + } |
| 31 | + } catch (\Exception $e) { |
| 32 | + $this->invalidOptions($this->curlOptions, $e->getMessage()); |
| 33 | + } |
| 34 | + |
| 35 | + $curlHeaders = []; |
| 36 | + foreach ($request->getHeaders() as $key => $values) { |
| 37 | + $curlHeaders[] = $key . ': ' . implode(',', $values); |
| 38 | + } |
| 39 | + |
| 40 | + curl_setopt($curlHandle, CURLOPT_HTTPHEADER, $curlHeaders); |
| 41 | + |
| 42 | + curl_setopt( |
| 43 | + $curlHandle, |
| 44 | + CURLOPT_USERAGENT, |
| 45 | + implode(',', $request->getHeader('User-Agent')) |
| 46 | + ); |
| 47 | + //Return the output instead of printing it |
| 48 | + curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, true); |
| 49 | + curl_setopt($curlHandle, CURLOPT_FAILONERROR, true); |
| 50 | + curl_setopt($curlHandle, CURLOPT_ENCODING, ''); |
| 51 | + curl_setopt($curlHandle, CURLOPT_SSL_VERIFYPEER, true); |
| 52 | + curl_setopt($curlHandle, CURLOPT_SSL_VERIFYHOST, 2); |
| 53 | + // TODO: look into cert |
| 54 | + // curl_setopt($curlHandle, CURLOPT_CAINFO, $this->caInfoPath); |
| 55 | + |
| 56 | + curl_setopt($curlHandle, CURLOPT_URL, (string) $request->getUri()); |
| 57 | + $version = curl_version(); |
| 58 | + if ( |
| 59 | + version_compare($version['version'], '7.16.2', '>=') && |
| 60 | + $connectTimeout < 1 |
| 61 | + ) { |
| 62 | + curl_setopt( |
| 63 | + $curlHandle, |
| 64 | + CURLOPT_CONNECTTIMEOUT_MS, |
| 65 | + $connectTimeout * 1000 |
| 66 | + ); |
| 67 | + curl_setopt($curlHandle, CURLOPT_TIMEOUT_MS, $timeout * 1000); |
| 68 | + } else { |
| 69 | + curl_setopt($curlHandle, CURLOPT_CONNECTTIMEOUT, $connectTimeout); |
| 70 | + curl_setopt($curlHandle, CURLOPT_TIMEOUT, $timeout); |
| 71 | + } |
| 72 | + |
| 73 | + // The problem is that on (Li|U)nix, when libcurl uses the standard name resolver, |
| 74 | + // a SIGALRM is raised during name resolution which libcurl thinks is the timeout alarm. |
| 75 | + curl_setopt($curlHandle, CURLOPT_NOSIGNAL, 1); |
| 76 | + curl_setopt($curlHandle, CURLOPT_FAILONERROR, false); |
| 77 | + |
| 78 | + $method = $request->getMethod(); |
| 79 | + if ('GET' === $method) { |
| 80 | + curl_setopt($curlHandle, CURLOPT_CUSTOMREQUEST, 'GET'); |
| 81 | + curl_setopt($curlHandle, CURLOPT_HTTPGET, true); |
| 82 | + curl_setopt($curlHandle, CURLOPT_POST, false); |
| 83 | + } else { |
| 84 | + if ('POST' === $method) { |
| 85 | + $body = (string) $request->getBody(); |
| 86 | + curl_setopt($curlHandle, CURLOPT_CUSTOMREQUEST, 'POST'); |
| 87 | + curl_setopt($curlHandle, CURLOPT_POST, true); |
| 88 | + curl_setopt($curlHandle, CURLOPT_POSTFIELDS, $body); |
| 89 | + } elseif ('DELETE' === $method) { |
| 90 | + curl_setopt($curlHandle, CURLOPT_CUSTOMREQUEST, 'DELETE'); |
| 91 | + curl_setopt($curlHandle, CURLOPT_POST, false); |
| 92 | + } elseif ('PUT' === $method) { |
| 93 | + $body = (string) $request->getBody(); |
| 94 | + curl_setopt($curlHandle, CURLOPT_CUSTOMREQUEST, 'PUT'); |
| 95 | + curl_setopt($curlHandle, CURLOPT_POSTFIELDS, $body); |
| 96 | + curl_setopt($curlHandle, CURLOPT_POST, true); |
| 97 | + } |
| 98 | + } |
| 99 | + $mhandle = $this->getMHandle($curlHandle); |
| 100 | + |
| 101 | + // Do all the processing. |
| 102 | + $running = null; |
| 103 | + do { |
| 104 | + $mrc = curl_multi_exec($mhandle, $running); |
| 105 | + } while (CURLM_CALL_MULTI_PERFORM === $mrc); |
| 106 | + |
| 107 | + while ($running && CURLM_OK === $mrc) { |
| 108 | + if (-1 === curl_multi_select($mhandle, 0.1)) { |
| 109 | + usleep(100); |
| 110 | + } |
| 111 | + do { |
| 112 | + $mrc = curl_multi_exec($mhandle, $running); |
| 113 | + } while (CURLM_CALL_MULTI_PERFORM === $mrc); |
| 114 | + } |
| 115 | + |
| 116 | + $statusCode = (int) curl_getinfo($curlHandle, CURLINFO_HTTP_CODE); |
| 117 | + $responseBody = curl_multi_getcontent($curlHandle); |
| 118 | + $error = curl_error($curlHandle); |
| 119 | + |
| 120 | + $this->releaseMHandle($curlHandle); |
| 121 | + curl_close($curlHandle); |
| 122 | + |
| 123 | + return new Response($statusCode, [], $responseBody, '1.1', $error); |
| 124 | + } |
| 125 | + |
| 126 | + private function getMHandle($curlHandle) |
| 127 | + { |
| 128 | + if (!is_resource($this->curlMHandle)) { |
| 129 | + $this->curlMHandle = curl_multi_init(); |
| 130 | + } |
| 131 | + curl_multi_add_handle($this->curlMHandle, $curlHandle); |
| 132 | + |
| 133 | + return $this->curlMHandle; |
| 134 | + } |
| 135 | + |
| 136 | + private function releaseMHandle($curlHandle) |
| 137 | + { |
| 138 | + curl_multi_remove_handle($this->curlMHandle, $curlHandle); |
| 139 | + } |
| 140 | + |
| 141 | + private function invalidOptions(array $curlOptions = [], $errorMsg = '') |
| 142 | + { |
| 143 | + throw new \OutOfBoundsException( |
| 144 | + sprintf( |
| 145 | + 'AlgoliaSearch curloptions options keys are invalid. %s given. error message : %s', |
| 146 | + json_encode($curlOptions), |
| 147 | + $errorMsg |
| 148 | + ) |
| 149 | + ); |
| 150 | + } |
| 151 | +} |
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