feat: 后端全量更新 - 含所有本次需求

- Contract.php: 返回合约账户余额(balance_contract) - My.php: 地址管理增加BTC/ETH - AppContract.php: 一键平仓(closeall) - AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2) - site.php: 手续费减半(0.018→0.009) - agent_permission_setup.sql: 代理权限SQL - crypto_news_crawler.py: 新闻自动采集脚本
2026-03-30 20:16:32 +08:00
commit 1b24994e74
6721 changed files with 1308571 additions and 0 deletions
@@ -0,0 +1,108 @@
+<?php
+
+namespace addons\kefu\library\WechatCrypto;
+
+use addons\kefu\library\WechatCrypto\ErrorCode;
+use addons\kefu\library\WechatCrypto\PKCS7Encoder;
+
+
+/**
+ * Prpcrypt class
+ *
+ * 提供接收和推送给公众平台消息的加解密接口.
+ */
+class Prpcrypt
+{
+    public $key;
+
+    function __construct($k)
+    {
+        $this->key = base64_decode($k . "=");
+    }
+
+    /**
+     * 对明文进行加密
+     * @param string $text 需要加密的明文
+     * @return string 加密后的密文
+     */
+    public function encrypt($text, $appid)
+    {
+
+        try {
+            //获得16位随机字符串，填充到明文之前
+            $random      = $this->getRandomStr();
+            $text        = $random . pack("N", strlen($text)) . $text . $appid;
+            $iv          = substr($this->key, 0, 16);
+            $pkc_encoder = new PKCS7Encoder;
+            $text        = $pkc_encoder->encode($text);
+            $encrypted   = openssl_encrypt($text, 'AES-256-CBC', $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
+
+            //print(base64_encode($encrypted));
+            //使用BASE64对加密后的字符串进行编码
+            return [ErrorCode::$OK, base64_encode($encrypted)];
+        } catch (Exception $e) {
+            //print $e;
+            return [ErrorCode::$EncryptAESError, null];
+        }
+    }
+
+    /**
+     * 随机生成16位字符串
+     * @return string 生成的字符串
+     */
+    function getRandomStr()
+    {
+
+        $str     = "";
+        $str_pol = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz";
+        $max     = strlen($str_pol) - 1;
+        for ($i = 0; $i < 16; $i++) {
+            $str .= $str_pol[mt_rand(0, $max)];
+        }
+        return $str;
+    }
+
+    /**
+     * 对密文进行解密
+     * @param string $encrypted 需要解密的密文
+     * @return string 解密得到的明文
+     */
+    public function decrypt($encrypted, $appid)
+    {
+
+        try {
+            //使用BASE64对需要解密的字符串进行解码
+            $ciphertext_dec = base64_decode($encrypted);
+            $iv             = substr($this->key, 0, 16);
+            $decrypted      = openssl_decrypt($ciphertext_dec, 'AES-256-CBC', $this->key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv);
+
+        } catch (Exception $e) {
+            return [ErrorCode::$DecryptAESError, null];
+        }
+
+
+        try {
+            //去除补位字符
+            $pkc_encoder = new PKCS7Encoder;
+            $result      = $pkc_encoder->decode($decrypted);
+            //去除16位随机字符串,网络字节序和AppId
+            if (strlen($result) < 16) {
+                return "";
+            }
+            $content     = substr($result, 16, strlen($result));
+            $len_list    = unpack("N", substr($content, 0, 4));
+            $xml_len     = $len_list[1];
+            $xml_content = substr($content, 4, $xml_len);
+            $from_appid  = substr($content, $xml_len + 4);
+        } catch (Exception $e) {
+            //print $e;
+            return [ErrorCode::$IllegalBuffer, null];
+        }
+        if ($from_appid != $appid) {
+            return [ErrorCode::$ValidateAppidError, null];
+        }
+        return [0, $xml_content];
+
+    }
+
+}