2020-08-24 11:59:05 +08:00

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<?php
// +----------------------------------------------------------------------
// | Library for ThinkAdmin
// +----------------------------------------------------------------------
// | 版权所有 2014~2020 广州楚才信息科技有限公司 [ http://www.cuci.cc ]
// +----------------------------------------------------------------------
// | 官方网站: https://gitee.com/zoujingli/ThinkLibrary
// +----------------------------------------------------------------------
// | 开源协议 ( https://mit-license.org )
// +----------------------------------------------------------------------
// | gitee 仓库地址 https://gitee.com/zoujingli/ThinkLibrary
// | github 仓库地址 https://github.com/zoujingli/ThinkLibrary
// +----------------------------------------------------------------------
namespace think\admin\extend;
use think\App;
use think\Container;
use think\exception\HttpResponseException;
/**
* JsonRpc 服务端
* Class JsonRpcServer
* @package think\admin\extend
*/
class JsonRpcServer
{
/**
* 当前App对象
* @var App
*/
protected $app;
/**
* JsonRpcServer constructor.
* @param App $app
*/
public function __construct(App $app)
{
$this->app = $app;
}
/**
* 静态实例对象
* @param array $args
* @return static
*/
public static function instance(...$args): JsonRpcServer
{
return Container::getInstance()->make(static::class, $args);
}
/**
* 设置监听对象
* @param mixed $object
*/
public function handle($object)
{
// Checks if a JSON-RCP request has been received
if ($this->app->request->method() !== "POST" || $this->app->request->contentType() != 'application/json') {
echo "<h2>" . get_class($object) . "</h2>";
foreach (get_class_methods($object) as $method) {
if ($method[0] !== '_') echo "<p>method {$method}()</p>";
}
} else {
// Reads the input data
$request = json_decode(file_get_contents('php://input'), true);
if (empty($request)) {
$error = ['code' => '-32700', 'message' => '语法解析错误', 'meaning' => '服务端接收到无效的JSON'];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
} elseif (!isset($request['id']) || !isset($request['method']) || !isset($request['params'])) {
$error = ['code' => '-32600', 'message' => '无效的请求', 'meaning' => '发送的JSON不是一个有效的请求对象'];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
} else try {
// Executes the task on local object
if ($result = @call_user_func_array([$object, $request['method']], $request['params'])) {
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => $result, 'error' => null];
} else {
$error = ['code' => '-32601', 'message' => '找不到方法', 'meaning' => '该方法不存在或无效'];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
}
} catch (\Exception $exception) {
$error = ['code' => $exception->getCode(), 'message' => $exception->getMessage()];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
}
// Output the response
throw new HttpResponseException(json($response)->contentType('text/javascript'));
}
}
}