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<?php
namespace Twilio\Http;
use Twilio\Exceptions\EnvironmentException;
class CurlClient implements Client {
const DEFAULT_TIMEOUT = 60;
protected $curlOptions = array();
public function __construct(array $options = array()) {
$this->curlOptions = $options;
}
public function request($method, $url, $params = array(), $data = array(),
$headers = array(), $user = null, $password = null,
$timeout = null) {
$options = $this->options($method, $url, $params, $data, $headers,
$user, $password, $timeout);
try {
if (!$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, $body) = ($parts[0] == 'HTTP/1.1 100 Continue')
? array($parts[1], $parts[2])
: array($parts[0], $parts[1]);
$statusCode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
$responseHeaders = array();
$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($buffer) && is_resource($buffer)) {
fclose($buffer);
}
return new Response($statusCode, $body, $responseHeaders);
} catch (\ErrorException $e) {
if (isset($curl) && is_resource($curl)) {
curl_close($curl);
}
if (isset($buffer) && is_resource($buffer)) {
fclose($buffer);
}
throw $e;
}
}
public function options($method, $url, $params = array(), $data = array(),
$headers = array(), $user = null, $password = null,
$timeout = null) {
$timeout = is_null($timeout)
? self::DEFAULT_TIMEOUT
: $timeout;
$options = $this->curlOptions + array(
CURLOPT_URL => $url,
CURLOPT_HEADER => true,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_INFILESIZE => -1,
CURLOPT_HTTPHEADER => array(),
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");
}
$body = $this->buildQuery($params);
if ($body) {
$options[CURLOPT_URL] .= '?' . $body;
}
switch (strtolower(trim($method))) {
case 'get':
$options[CURLOPT_HTTPGET] = true;
break;
case 'post':
$options[CURLOPT_POST] = true;
$options[CURLOPT_POSTFIELDS] = $this->buildQuery($data);
break;
case 'put':
$options[CURLOPT_PUT] = true;
if ($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 $options;
}
public function buildQuery($params) {
$parts = array();
$params = $params ?: array();
foreach ($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);
}
}
|
