xiaowang/kirby/src/Http/Remote.php
2024-12-20 12:37:35 +01:00

362 lines
8.7 KiB
PHP

<?php
namespace Kirby\Http;
use CurlHandle;
use Exception;
use Kirby\Cms\App;
use Kirby\Exception\InvalidArgumentException;
use Kirby\Filesystem\F;
use Kirby\Toolkit\Str;
use stdClass;
/**
* A handy little class to handle
* all kinds of remote requests
*
* @package Kirby Http
* @author Bastian Allgeier <bastian@getkirby.com>
* @link https://getkirby.com
* @copyright Bastian Allgeier
* @license https://opensource.org/licenses/MIT
*/
class Remote
{
public const CA_INTERNAL = 1;
public const CA_SYSTEM = 2;
public static array $defaults = [
'agent' => null,
'basicAuth' => null,
'body' => true,
'ca' => self::CA_INTERNAL,
'data' => [],
'encoding' => 'utf-8',
'file' => null,
'headers' => [],
'method' => 'GET',
'progress' => null,
'test' => false,
'timeout' => 10,
];
public string|null $content = null;
public CurlHandle|false $curl;
public array $curlopt = [];
public int $errorCode;
public string $errorMessage;
public array $headers = [];
public array $info = [];
public array $options = [];
/**
* Magic getter for request info data
*/
public function __call(string $method, array $arguments = [])
{
$method = str_replace('-', '_', Str::kebab($method));
return $this->info[$method] ?? null;
}
/**
* Constructor
*
* @throws \Exception when the curl request failed
*/
public function __construct(string $url, array $options = [])
{
$defaults = static::$defaults;
// use the system CA store by default if
// one has been configured in php.ini
$cainfo = ini_get('curl.cainfo');
if (empty($cainfo) === false && is_file($cainfo) === true) {
$defaults['ca'] = self::CA_SYSTEM;
}
// update the defaults with App config if set;
// request the App instance lazily
$app = App::instance(null, true);
if ($app !== null) {
$defaults = array_merge($defaults, $app->option('remote', []));
}
// set all options
$this->options = array_merge($defaults, $options);
// add the url
$this->options['url'] = $url;
// send the request
$this->fetch();
}
public static function __callStatic(string $method, array $arguments = []): static
{
return new static(
url: $arguments[0],
options: array_merge(
['method' => strtoupper($method)],
$arguments[1] ?? []
)
);
}
/**
* Returns the http status code
*/
public function code(): int|null
{
return $this->info['http_code'] ?? null;
}
/**
* Returns the response content
*/
public function content(): string|null
{
return $this->content;
}
/**
* Sets up all curl options and sends the request
*
* @return $this
* @throws \Exception when the curl request failed
*/
public function fetch(): static
{
// curl options
$this->curlopt = [
CURLOPT_URL => $this->options['url'],
CURLOPT_ENCODING => $this->options['encoding'],
CURLOPT_CONNECTTIMEOUT => $this->options['timeout'],
CURLOPT_TIMEOUT => $this->options['timeout'],
CURLOPT_AUTOREFERER => true,
CURLOPT_RETURNTRANSFER => $this->options['body'],
CURLOPT_FOLLOWLOCATION => true,
CURLOPT_MAXREDIRS => 10,
CURLOPT_HEADER => false,
CURLOPT_HEADERFUNCTION => function ($curl, $header): int {
$parts = Str::split($header, ':');
if (empty($parts[0]) === false && empty($parts[1]) === false) {
$key = array_shift($parts);
$this->headers[$key] = implode(':', $parts);
}
return strlen($header);
}
];
// determine the TLS CA to use
if ($this->options['ca'] === self::CA_INTERNAL) {
$this->curlopt[CURLOPT_SSL_VERIFYPEER] = true;
$this->curlopt[CURLOPT_CAINFO] = dirname(__DIR__, 2) . '/cacert.pem';
} elseif ($this->options['ca'] === self::CA_SYSTEM) {
$this->curlopt[CURLOPT_SSL_VERIFYPEER] = true;
} elseif ($this->options['ca'] === false) {
$this->curlopt[CURLOPT_SSL_VERIFYPEER] = false;
} elseif (
is_string($this->options['ca']) === true &&
is_file($this->options['ca']) === true
) {
$this->curlopt[CURLOPT_SSL_VERIFYPEER] = true;
$this->curlopt[CURLOPT_CAINFO] = $this->options['ca'];
} elseif (
is_string($this->options['ca']) === true &&
is_dir($this->options['ca']) === true
) {
$this->curlopt[CURLOPT_SSL_VERIFYPEER] = true;
$this->curlopt[CURLOPT_CAPATH] = $this->options['ca'];
} else {
throw new InvalidArgumentException('Invalid "ca" option for the Remote class');
}
// add the progress
if (is_callable($this->options['progress']) === true) {
$this->curlopt[CURLOPT_NOPROGRESS] = false;
$this->curlopt[CURLOPT_PROGRESSFUNCTION] = $this->options['progress'];
}
// add all headers
if (empty($this->options['headers']) === false) {
// convert associative arrays to strings
$headers = [];
foreach ($this->options['headers'] as $key => $value) {
if (is_string($key) === true) {
$value = $key . ': ' . $value;
}
$headers[] = $value;
}
$this->curlopt[CURLOPT_HTTPHEADER] = $headers;
}
// add HTTP Basic authentication
if (empty($this->options['basicAuth']) === false) {
$this->curlopt[CURLOPT_USERPWD] = $this->options['basicAuth'];
}
// add the user agent
if (empty($this->options['agent']) === false) {
$this->curlopt[CURLOPT_USERAGENT] = $this->options['agent'];
}
// do some request specific stuff
switch (strtoupper($this->options['method'])) {
case 'POST':
$this->curlopt[CURLOPT_POST] = true;
$this->curlopt[CURLOPT_CUSTOMREQUEST] = 'POST';
$this->curlopt[CURLOPT_POSTFIELDS] = $this->postfields($this->options['data']);
break;
case 'PUT':
$this->curlopt[CURLOPT_CUSTOMREQUEST] = 'PUT';
$this->curlopt[CURLOPT_POSTFIELDS] = $this->postfields($this->options['data']);
// put a file
if ($this->options['file']) {
$this->curlopt[CURLOPT_INFILE] = fopen($this->options['file'], 'r');
$this->curlopt[CURLOPT_INFILESIZE] = F::size($this->options['file']);
}
break;
case 'PATCH':
$this->curlopt[CURLOPT_CUSTOMREQUEST] = 'PATCH';
$this->curlopt[CURLOPT_POSTFIELDS] = $this->postfields($this->options['data']);
break;
case 'DELETE':
$this->curlopt[CURLOPT_CUSTOMREQUEST] = 'DELETE';
$this->curlopt[CURLOPT_POSTFIELDS] = $this->postfields($this->options['data']);
break;
case 'HEAD':
$this->curlopt[CURLOPT_CUSTOMREQUEST] = 'HEAD';
$this->curlopt[CURLOPT_POSTFIELDS] = $this->postfields($this->options['data']);
$this->curlopt[CURLOPT_NOBODY] = true;
break;
}
if ($this->options['test'] === true) {
return $this;
}
// start a curl request
$this->curl = curl_init();
curl_setopt_array($this->curl, $this->curlopt);
$this->content = curl_exec($this->curl);
$this->info = curl_getinfo($this->curl);
$this->errorCode = curl_errno($this->curl);
$this->errorMessage = curl_error($this->curl);
if ($this->errorCode) {
throw new Exception($this->errorMessage, $this->errorCode);
}
curl_close($this->curl);
return $this;
}
/**
* Static method to send a GET request
*
* @throws \Exception when the curl request failed
*/
public static function get(string $url, array $params = []): static
{
$defaults = [
'method' => 'GET',
'data' => [],
];
$options = array_merge($defaults, $params);
$query = http_build_query($options['data']);
if (empty($query) === false) {
$url = match (Url::hasQuery($url)) {
true => $url . '&' . $query,
default => $url . '?' . $query
};
}
// remove the data array from the options
unset($options['data']);
return new static($url, $options);
}
/**
* Returns all received headers
*/
public function headers(): array
{
return $this->headers;
}
/**
* Returns the request info
*/
public function info(): array
{
return $this->info;
}
/**
* Decode the response content
*
* @param bool $array decode as array or object
*/
public function json(bool $array = true): array|stdClass|null
{
return json_decode($this->content(), $array);
}
/**
* Returns the request method
*/
public function method(): string
{
return $this->options['method'];
}
/**
* Returns all options which have been
* set for the current request
*/
public function options(): array
{
return $this->options;
}
/**
* Internal method to handle post field data
*/
protected function postfields($data)
{
if (is_object($data) || is_array($data)) {
return http_build_query($data);
}
return $data;
}
/**
* Static method to init this class and send a request
*
* @throws \Exception when the curl request failed
*/
public static function request(string $url, array $params = []): static
{
return new static($url, $params);
}
/**
* Returns the request Url
*/
public function url(): string
{
return $this->options['url'];
}
}