🎨 #1716 微信支付证书配置读取代码优化，支持本地路径和网络路径

Co-authored-by: 曾浩 <epdcgsi@dingtalk.com>

weixin-java-pay/src/main/java/com/github/binarywang/wxpay/config/WxPayConfig.java

@@ -115,8 +115,6 @@ public class WxPayConfig {
    * apiV3 证书序列号值
    */
   private String certSerialNo;
-
-
   /**
    * 微信支付分serviceId
    */
@@ -128,8 +126,10 @@ public class WxPayConfig {
   private String payScoreNotifyUrl;
 
   private CloseableHttpClient apiV3HttpClient;
-
+  /**
-
+   * 私钥信息
+   */
+  private PrivateKey privateKey;
   /**
    * p12证书文件内容的字节数组.
    */
@@ -197,44 +197,7 @@ public class WxPayConfig {
       if (StringUtils.isBlank(this.getKeyPath())) {
         throw new WxPayException("请确保证书文件地址keyPath已配置");
       }
-
+      inputStream = this.loadConfigInputStream(this.getKeyPath());
-      final String prefix = "classpath:";
-      String fileHasProblemMsg = String.format(PROBLEM_MSG, this.getKeyPath());
-      String fileNotFoundMsg = String.format(NOT_FOUND_MSG, this.getKeyPath());
-      if (this.getKeyPath().startsWith(prefix)) {
-        String path = RegExUtils.removeFirst(this.getKeyPath(), prefix);
-        if (!path.startsWith("/")) {
-          path = "/" + path;
-        }
-        try {
-          inputStream = ResourcesUtil.getResourceAsStream(path);
-          if (inputStream == null) {
-            throw new WxPayException(fileNotFoundMsg);
-          }
-        } catch (Exception e) {
-          throw new WxPayException(fileNotFoundMsg, e);
-        }
-      } else if (this.getKeyPath().startsWith("http://") || this.getKeyPath().startsWith("https://")) {
-        try {
-          inputStream = new URL(this.keyPath).openStream();
-          if (inputStream == null) {
-            throw new WxPayException(fileNotFoundMsg);
-          }
-        } catch (IOException e) {
-          throw new WxPayException(fileNotFoundMsg, e);
-        }
-      } else {
-        try {
-          File file = new File(this.getKeyPath());
-          if (!file.exists()) {
-            throw new WxPayException(fileNotFoundMsg);
-          }
-
-          inputStream = new FileInputStream(file);
-        } catch (IOException e) {
-          throw new WxPayException(fileHasProblemMsg, e);
-        }
-      }
     }
 
     try {
@@ -275,39 +238,8 @@ public class WxPayConfig {
       throw new WxPayException("请确保apiV3Key值已设置");
     }
 
-    InputStream keyInputStream = null;
+    InputStream keyInputStream = this.loadConfigInputStream(privateKeyPath);
-    InputStream certInputStream = null;
+    InputStream certInputStream = this.loadConfigInputStream(privateCertPath);
-    final String prefix = "classpath:";
-    if (privateKeyPath.startsWith(prefix)) {
-      String keypath = RegExUtils.removeFirst(privateKeyPath, prefix);
-      if (!keypath.startsWith("/")) {
-        keypath = "/" + keypath;
-      }
-      try {
-        keyInputStream = ResourcesUtil.getResourceAsStream(keypath);
-        if (keyInputStream == null) {
-          throw new WxPayException(String.format(NOT_FOUND_MSG, this.getPrivateKeyPath()));
-        }
-      } catch (Exception e) {
-        throw new WxPayException(String.format(NOT_FOUND_MSG, this.getPrivateKeyPath()), e);
-      }
-    }
-
-    if (privateCertPath.startsWith(prefix)) {
-      String certpath = RegExUtils.removeFirst(privateCertPath, prefix);
-      if (!certpath.startsWith("/")) {
-        certpath = "/" + certpath;
-      }
-      try {
-        certInputStream = ResourcesUtil.getResourceAsStream(certpath);
-        if (certInputStream == null) {
-          throw new WxPayException(String.format(NOT_FOUND_MSG, this.getPrivateCertPath()));
-        }
-      } catch (Exception e) {
-        throw new WxPayException(String.format(NOT_FOUND_MSG, this.getPrivateCertPath()), e);
-      }
-    }
-
     try {
       PrivateKey merchantPrivateKey = PemUtils.loadPrivateKey(keyInputStream);
 
@@ -323,10 +255,59 @@ public class WxPayConfig {
         .build();
       this.apiV3HttpClient = httpClient;
       this.verifier=verifier;
+      this.privateKey = merchantPrivateKey;
 
       return httpClient;
     } catch (Exception e) {
       throw new WxPayException("v3请求构造异常！", e);
     }
   }
+
+  /**
+   * 从配置路径 加载配置 信息（支持 classpath、本地路径、网络url）
+   * @param configPath 配置路径
+   * @return
+   * @throws WxPayException
+   */
+  private InputStream loadConfigInputStream(String configPath) throws WxPayException {
+    InputStream inputStream;
+    final String prefix = "classpath:";
+    String fileHasProblemMsg = String.format(PROBLEM_MSG, configPath);
+    String fileNotFoundMsg = String.format(NOT_FOUND_MSG, configPath);
+    if (configPath.startsWith(prefix)) {
+      String path = RegExUtils.removeFirst(configPath, prefix);
+      if (!path.startsWith("/")) {
+        path = "/" + path;
+      }
+      try {
+        inputStream = ResourcesUtil.getResourceAsStream(path);
+        if (inputStream == null) {
+          throw new WxPayException(fileNotFoundMsg);
+        }
+      } catch (Exception e) {
+        throw new WxPayException(fileNotFoundMsg, e);
+      }
+    } else if (configPath.startsWith("http://") || configPath.startsWith("https://")) {
+      try {
+        inputStream = new URL(configPath).openStream();
+        if (inputStream == null) {
+          throw new WxPayException(fileNotFoundMsg);
+        }
+      } catch (IOException e) {
+        throw new WxPayException(fileNotFoundMsg, e);
+      }
+    } else {
+      try {
+        File file = new File(configPath);
+        if (!file.exists()) {
+          throw new WxPayException(fileNotFoundMsg);
+        }
+
+        inputStream = new FileInputStream(file);
+      } catch (IOException e) {
+        throw new WxPayException(fileHasProblemMsg, e);
+      }
+    }
+    return inputStream;
+  }
 }