支付模块-下单接口

fastbee-common/src/main/java/com/fastbee/common/utils/pay/AesUtil.java

@@ -0,0 +1,50 @@
+package com.fastbee.common.utils.pay;
+
+import java.nio.charset.StandardCharsets;
+import java.security.GeneralSecurityException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
+import javax.crypto.Cipher;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.spec.GCMParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
+
+/**
+ * @author xy-peng
+ */
+public class AesUtil {
+
+    private static final String TRANSFORMATION = "AES/GCM/NoPadding";
+
+    private static final int KEY_LENGTH_BYTE = 32;
+    private static final int TAG_LENGTH_BIT = 128;
+
+    private final byte[] aesKey;
+
+    public AesUtil(byte[] key) {
+        if (key.length != KEY_LENGTH_BYTE) {
+            throw new IllegalArgumentException("无效的ApiV3Key，长度必须为32个字节");
+        }
+        this.aesKey = key;
+    }
+
+    public String decryptToString(byte[] associatedData, byte[] nonce, String ciphertext)
+            throws GeneralSecurityException {
+        try {
+            SecretKeySpec key = new SecretKeySpec(aesKey, "AES");
+            GCMParameterSpec spec = new GCMParameterSpec(TAG_LENGTH_BIT, nonce);
+
+            Cipher cipher = Cipher.getInstance(TRANSFORMATION);
+            cipher.init(Cipher.DECRYPT_MODE, key, spec);
+            cipher.updateAAD(associatedData);
+            return new String(cipher.doFinal(Base64.getDecoder().decode(ciphertext)), StandardCharsets.UTF_8);
+
+        } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
+            throw new IllegalStateException(e);
+        } catch (InvalidKeyException | InvalidAlgorithmParameterException e) {
+            throw new IllegalArgumentException(e);
+        }
+    }
+}

fastbee-common/src/main/java/com/fastbee/common/utils/pay/apiclient_key.pem

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+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

fastbee-common/src/main/java/com/fastbee/common/utils/pay/wxPayConfig.java

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+package com.fastbee.common.utils.pay;
+
+import java.io.*;
+import java.security.KeyFactory;
+import java.security.PrivateKey;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.util.Base64;
+
+public class wxPayConfig {
+
+
+
+    // 获取商户私钥
+    public static PrivateKey getPrivateKey(String privateKeyPath) {
+        try {
+            // 读取私钥文件内容
+            String privateKeyContent = readFile(privateKeyPath);
+            // 去除私钥文件中的头尾信息
+            privateKeyContent = privateKeyContent.replace("-----BEGIN PRIVATE KEY-----", "")
+                    .replace("-----END PRIVATE KEY-----", "")
+                    .replaceAll("\\s+", "");
+            // 使用Base64解码
+            byte[] keyBytes = Base64.getDecoder().decode(privateKeyContent);
+            // 通过PKCS#8EncodedKeySpec指定者来构造PrivateKey对象
+            PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(keyBytes);
+            // 获取RSA KeyFactory对象
+            KeyFactory keyFactory = KeyFactory.getInstance("RSA");
+            // 从PKCS#8EncodedKeySpec指定者中构造出PrivateKey对象
+            return keyFactory.generatePrivate(keySpec);
+        } catch (Exception e) {
+            e.printStackTrace();
+            return null;
+        }
+    }
+
+    // 读取文件内容为字符串
+    private static String readFile(String filePath) {
+        StringBuilder fileContent = new StringBuilder("");
+        try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
+            String line;
+            while ((line = reader.readLine()) != null) {
+                fileContent.append(line);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return fileContent.toString();
+    }
+
+    // 这里可以添加其他与微信支付相关的配置方法
+}