新增：`HttpServer`请求/应答报文进行`RSA`非对称加密传输

app/src/main/java/com/idormy/sms/forwarder/server/component/AppExceptionResolver.kt

@@ -1,10 +1,14 @@
 package com.idormy.sms.forwarder.server.component
 
+import android.util.Log
+import com.idormy.sms.forwarder.utils.Base64
 import com.idormy.sms.forwarder.utils.HttpServerUtils
+import com.idormy.sms.forwarder.utils.RSACrypt
 import com.yanzhenjie.andserver.annotation.Resolver
 import com.yanzhenjie.andserver.error.HttpException
 import com.yanzhenjie.andserver.framework.ExceptionResolver
 import com.yanzhenjie.andserver.framework.body.JsonBody
+import com.yanzhenjie.andserver.framework.body.StringBody
 import com.yanzhenjie.andserver.http.HttpRequest
 import com.yanzhenjie.andserver.http.HttpResponse
 import com.yanzhenjie.andserver.http.StatusCode
@@ -12,6 +16,8 @@ import com.yanzhenjie.andserver.http.StatusCode
 @Resolver
 class AppExceptionResolver : ExceptionResolver {
 
+    private val TAG: String = "AppExceptionResolver"
+
     override fun onResolve(request: HttpRequest, response: HttpResponse, e: Throwable) {
         e.printStackTrace()
         if (e is HttpException) {
@@ -23,7 +29,16 @@ class AppExceptionResolver : ExceptionResolver {
         }
 
         //返回统一结构报文
-        response.setBody(JsonBody(HttpServerUtils.response(e.message.toString())))
+        var resp = HttpServerUtils.response(e.message.toString())
+        Log.d(TAG, "resp: $resp")
+        if (HttpServerUtils.safetyMeasures != 2) {
+            response.setBody(JsonBody(resp))
+        } else {
+            val privateKey = RSACrypt.getPrivateKey(HttpServerUtils.serverPrivateKey.toString())
+            resp = Base64.encode(resp.toByteArray())
+            resp = RSACrypt.encryptByPrivateKey(resp, privateKey)
+            response.setBody(StringBody(resp))
+        }
     }
 
 }