Viewing file:  CurlClient.php (8.14 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
namespace Twilio\Http;
use Twilio\Exceptions\ConfigurationException;
use Twilio\Exceptions\EnvironmentException;
class CurlClient implements Client {
public const DEFAULT_TIMEOUT = 60;
protected $curlOptions = [];
public $lastRequest;
public $lastResponse;
public function __construct(array $options = []) {
$this->curlOptions = $options;
}
public function request(string $method, string $url,
array $params = [], array $data = [], array $headers = [],
string $user = null, string $password = null,
int $timeout = null): Response {
$options = $this->options($method, $url, $params, $data, $headers,
$user, $password, $timeout);
$this->lastRequest = $options;
$this->lastResponse = null;
try {
if (!$curl = \curl_init()) {
throw new EnvironmentException('Unable to initialize cURL');
}
if (!\curl_setopt_array($curl, $options)) {
throw new EnvironmentException(\curl_error($curl));
}
if (!$response = \curl_exec($curl)) {
throw new EnvironmentException(\curl_error($curl));
}
$parts = \explode("\r\n\r\n", $response, 3);
list($head, $body) = (
\preg_match('/\AHTTP\/1.\d 100 Continue\Z/', $parts[0])
|| \preg_match('/\AHTTP\/1.\d 200 Connection established\Z/', $parts[0])
|| \preg_match('/\AHTTP\/1.\d 200 Tunnel established\Z/', $parts[0])
)
? array($parts[1], $parts[2])
: array($parts[0], $parts[1]);
$statusCode = \curl_getinfo($curl, CURLINFO_HTTP_CODE);
$responseHeaders = [];
$headerLines = \explode("\r\n", $head);
\array_shift($headerLines);
foreach ($headerLines as $line) {
list($key, $value) = \explode(':', $line, 2);
$responseHeaders[$key] = $value;
}
\curl_close($curl);
if (isset($options[CURLOPT_INFILE]) && \is_resource($options[CURLOPT_INFILE])) {
\fclose($options[CURLOPT_INFILE]);
}
$this->lastResponse = new Response($statusCode, $body, $responseHeaders);
return $this->lastResponse;
} catch (\ErrorException $e) {
if (isset($curl) && \is_resource($curl)) {
\curl_close($curl);
}
if (isset($options[CURLOPT_INFILE]) && \is_resource($options[CURLOPT_INFILE])) {
\fclose($options[CURLOPT_INFILE]);
}
throw $e;
}
}
public function options(string $method, string $url,
array $params = [], array $data = [], array $headers = [],
string $user = null, string $password = null,
int $timeout = null): array {
$timeout = $timeout ?? self::DEFAULT_TIMEOUT;
$options = $this->curlOptions + [
CURLOPT_URL => $url,
CURLOPT_HEADER => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_INFILESIZE => Null,
CURLOPT_HTTPHEADER => [],
CURLOPT_TIMEOUT => $timeout,
];
foreach ($headers as $key => $value) {
$options[CURLOPT_HTTPHEADER][] = "$key: $value";
}
if ($user && $password) {
$options[CURLOPT_HTTPHEADER][] = 'Authorization: Basic ' . \base64_encode("$user:$password");
}
$query = $this->buildQuery($params);
if ($query) {
$options[CURLOPT_URL] .= '?' . $query;
}
switch (\strtolower(\trim($method))) {
case 'get':
$options[CURLOPT_HTTPGET] = true;
break;
case 'post':
$options[CURLOPT_POST] = true;
if ($this->hasFile($data)) {
[$headers, $body] = $this->buildMultipartOptions($data);
$options[CURLOPT_POSTFIELDS] = $body;
$options[CURLOPT_HTTPHEADER] = \array_merge($options[CURLOPT_HTTPHEADER], $headers);
} else {
$options[CURLOPT_POSTFIELDS] = $this->buildQuery($data);
$options[CURLOPT_HTTPHEADER][] = 'Content-Type: application/x-www-form-urlencoded';
}
break;
case 'put':
// TODO: PUT doesn't used anywhere and it has strange implementation. Must investigate later
$options[CURLOPT_PUT] = true;
if ($data) {
if ($buffer = \fopen('php://memory', 'w+')) {
$dataString = $this->buildQuery($data);
\fwrite($buffer, $dataString);
\fseek($buffer, 0);
$options[CURLOPT_INFILE] = $buffer;
$options[CURLOPT_INFILESIZE] = \strlen($dataString);
} else {
throw new EnvironmentException('Unable to open a temporary file');
}
}
break;
case 'head':
$options[CURLOPT_NOBODY] = true;
break;
default:
$options[CURLOPT_CUSTOMREQUEST] = \strtoupper($method);
}
return $options;
}
public function buildQuery(?array $params): string {
$parts = [];
$params = $params ?: [];
foreach ($params as $key => $value) {
if (\is_array($value)) {
foreach ($value as $item) {
$parts[] = \urlencode((string)$key) . '=' . \urlencode((string)$item);
}
} else {
$parts[] = \urlencode((string)$key) . '=' . \urlencode((string)$value);
}
}
return \implode('&', $parts);
}
private function hasFile(array $data): bool {
foreach ($data as $value) {
if ($value instanceof File) {
return true;
}
}
return false;
}
private function buildMultipartOptions(array $data): array {
$boundary = \uniqid('', true);
$delimiter = "-------------{$boundary}";
$body = '';
foreach ($data as $key => $value) {
if ($value instanceof File) {
$contents = $value->getContents();
if ($contents === null) {
$chunk = \file_get_contents($value->getFileName());
$filename = \basename($value->getFileName());
} elseif (\is_resource($contents)) {
$chunk = '';
while (!\feof($contents)) {
$chunk .= \fread($contents, 8096);
}
$filename = $value->getFileName();
} elseif (\is_string($contents)) {
$chunk = $contents;
$filename = $value->getFileName();
} else {
throw new \InvalidArgumentException('Unsupported content type');
}
$headers = '';
$contentType = $value->getContentType();
if ($contentType !== null) {
$headers .= "Content-Type: {$contentType}\r\n";
}
$body .= \vsprintf("--%s\r\nContent-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\n%s\r\n%s\r\n", [
$delimiter,
$key,
$filename,
$headers,
$chunk,
]);
} else {
$body .= \vsprintf("--%s\r\nContent-Disposition: form-data; name=\"%s\"\r\n\r\n%s\r\n", [
$delimiter,
$key,
$value,
]);
}
}
$body .= "--{$delimiter}--\r\n";
return [
[
"Content-Type: multipart/form-data; boundary={$delimiter}",
'Content-Length: ' . \strlen($body),
],
$body,
];
}
}
|