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<?php
namespace Coast;
use Coast\Url;
use Coast\File;
use Coast\Http;
class Http
{
protected $_timeout;
protected $_cookies;
public function __construct(array $options = array())
{
foreach ($options as $name => $value) {
if ($name[0] == '_') {
throw new \Coast\Exception("Access to '{$name}' is prohibited");
}
$this->$name($value);
}
}
public function timeout($timeout = null)
{
if (func_num_args() > 0) {
$this->_timeout = $timeout;
return $this;
}
return $this->_timeout;
}
public function execute(Http\Request $request)
{
$method = $request->method();
$url = $request->url();
$body = $request->body();
$headers = $request->headers();
$auth = $request->auth();
if (!isset($method)) {
throw new Http\Exception("No method set");
}
if (!isset($url)) {
throw new Http\Exception("No URL set");
}
$ch = curl_init((string) $url);
curl_setopt($ch, CURLOPT_HEADER, true);
if (!ini_get('open_basedir')) {
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
if (isset($this->_timeout)) {
curl_setopt($ch, CURLOPT_TIMEOUT, $this->_timeout);
}
if (isset($this->_cookies)) {
curl_setopt($ch, CURLOPT_COOKIE, $this->_cookies);
}
if (isset($headers)) {
curl_setopt($ch, CURLOPT_HTTPHEADER, array_map(function($value, $name) {
return "{$name}: {$value}";
}, $headers, array_keys($headers)));
}
if (isset($auth)) {
curl_setopt($ch, CURLOPT_HTTPAUTH, $auth['type']);
curl_setopt($ch, CURLOPT_USERPWD, "{$auth['username']}:{$auth['password']}");
}
if ($method == Http\Request::METHOD_HEAD) {
curl_setopt($ch, CURLOPT_NOBODY, true);
} elseif ($method == Http\Request::METHOD_POST) {
if (is_array($body)) {
foreach ($body as $name => $value) {
if ($value instanceof File) {
$value = [$value];
}
if (is_array($value) && $value[0] instanceof File) {
$value = $value + [null, null, null];
$value = new \CURLFile($value[0], $value[1], $value[2]);
}
$body[$name] = $value;
}
}
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
}
$response = curl_exec($ch);
if ($response === false) {
throw new Http\Exception(curl_error($ch));
}
$url = new Url(curl_getinfo($ch, CURLINFO_EFFECTIVE_URL));
$status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$head = substr($response, 0, $size);
$body = $method != Http\Request::METHOD_HEAD
? substr($response, $size)
: null;
$headers = [];
if ($head) {
$parts = explode("\r\n\r\n", $head);
$head = $parts[count($parts) - 2];
$head = explode("\r\n", $head);
$headers = [];
foreach ($head as $header) {
$parts = explode(':', $header, 2);
if (count($parts) != 2) {
continue;
}
$name = trim($parts[0]);
$value = trim($parts[1]);
$headers[$name] = $value;
}
}
if (isset($headers['cookie'])) {
$this->_cookies = $headers['cookie'];
}
curl_close($ch);
return new Http\Response([
'request' => $request,
'url' => $url,
'status' => $status,
'headers' => $headers,
'body' => $body,
]);
}
}