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extend/api/CenterClient.php

@@ -0,0 +1,125 @@
+<?php
+
+namespace extend\api;
+
+/**
+ * 授权中心
+ * Class CenterClient
+ * @package extend\api
+ */
+class CenterClient
+{
+	
+	// 请求地址
+	private $request_url = "http://localhost/niucenter/?s=/niucenter/api/";
+	
+	
+	// 平台标识
+	private $name = "NIUCLOUD";
+	
+	private $app_key = "b61d312d32976df698ca34d098d23a9d";
+	
+	private $public_key;
+	private $private_key;
+	private $key_len;
+	
+	// 参数
+	private $params = array();
+	
+	public function __construct()
+	{
+		
+		$this->initRSA();
+		$this->params['params'] = [
+			'name' => $this->name,
+			'app_key' => $this->app_key
+		];
+	}
+
+    /**
+     * POST请求
+     * @param $method
+     * @param array $params
+     * @return bool|false|mixed|string
+     */
+	public function post($method, $params = [])
+	{
+		$this->request_url .= $method;
+		$publicEncrypt = $this->publicEncrypt(json_encode($params));
+		$this->params['params']['public_encrypt'] = $publicEncrypt;
+		$res = HttpClient::post($this->request_url, $this->params);
+		if (!empty($res)) {
+			
+			//对返回数据进行解密，解密需要一些时间，暂时去掉
+//             $decrypted = $this->publicDecrypt($res);
+//             if(!empty($decrypted)){
+//                 $res = json_decode($decrypted, true);
+//             }else{
+//                 $res = json_decode($res, true);
+//             }
+			$res = json_decode($res, true);
+			return $res;
+		} else {
+			return json_encode(error("接口发生错误"));
+		}
+	}
+
+    /**
+     * 初始化公钥 长度
+     */
+	private function initRSA()
+	{
+		$public_key = ADDON_APP_PATH . '/Niushop/rsa_public_key.pem';
+		$public_key_content = file_get_contents($public_key);
+		$this->public_key = openssl_pkey_get_public($public_key_content);
+		$this->key_len = openssl_pkey_get_details($this->public_key)['bits'];
+	}
+	
+	/*
+	 * 公钥加密
+	 */
+	public function publicEncrypt($data)
+	{
+		$encrypted = '';
+		$part_len = $this->key_len / 8 - 11;
+		$parts = str_split($data, $part_len);
+		
+		//分段加密
+		foreach ($parts as $part) {
+			$encrypted_temp = '';
+			openssl_public_encrypt($part, $encrypted_temp, $this->public_key);
+			$encrypted .= $encrypted_temp;
+		}
+		
+		return $this->url_safe_base64_encode($encrypted);
+	}
+	
+	/*
+	 * 公钥解密
+	 */
+	public function publicDecrypt($encrypted)
+	{
+		$decrypted = "";
+		$part_len = $this->key_len / 8;
+		$base64_decoded = $this->url_safe_base64_decode($encrypted);
+		$parts = str_split($base64_decoded, $part_len);
+		
+		foreach ($parts as $part) {
+			$decrypted_temp = '';
+			openssl_public_decrypt($part, $decrypted_temp, $this->public_key);
+			$decrypted .= $decrypted_temp;
+		}
+		return $decrypted;
+	}
+	
+	function url_safe_base64_encode($data)
+	{
+		return str_replace(array( '+', '/', '=' ), array( '-', '_', '' ), base64_encode($data));
+	}
+	
+	function url_safe_base64_decode($data)
+	{
+		$base_64 = str_replace(array( '-', '_' ), array( '+', '/' ), $data);
+		return base64_decode($base_64);
+	}
+}