From 4ee8318869ed3f71bd1eee08a3d0b65dcf2f59b3 Mon Sep 17 00:00:00 2001
From: YuCheng Hu <huyuchengus@gmail.com>
Date: Fri, 3 Feb 2023 16:06:34 -0500
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E5=8A=A0=E5=AF=86=E5=92=8C?=
 =?UTF-8?q?=E8=A7=A3=E5=AF=86=E7=9A=84=E6=A8=A1=E5=9D=97?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 pom.xml                                       | 13 ++++++++++-
 .../service/GoogleEncryptionService.java      | 23 ++++++++++++++++++-
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/pom.xml b/pom.xml
index b321cee..ab974e2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,13 +35,24 @@
     </developers>
 
     <dependencies>
+        <dependency>
+            <groupId>com.google.doubleclick</groupId>
+            <artifactId>doubleclick-openrtb</artifactId>
+            <version>2.0.4-SNAPSHOT</version>
+            <type>pom</type>
+        </dependency>
+
         <!-- LOGGING WITH SELF4J AND LOG4J2 -->
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
             <version>1.7.36</version>
         </dependency>
-
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.15</version>
+        </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
diff --git a/src/main/java/com/ossez/framework/service/GoogleEncryptionService.java b/src/main/java/com/ossez/framework/service/GoogleEncryptionService.java
index 23bf7ee..588afa0 100644
--- a/src/main/java/com/ossez/framework/service/GoogleEncryptionService.java
+++ b/src/main/java/com/ossez/framework/service/GoogleEncryptionService.java
@@ -1,11 +1,15 @@
 package com.ossez.framework.service;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.doubleclick.crypto.DoubleClickCrypto;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.util.Base64Utils;
+
+import javax.crypto.spec.SecretKeySpec;
+import java.security.InvalidKeyException;
 
-import java.io.IOException;
 
 /**
  * @author YuCheng
@@ -28,6 +32,23 @@ public class GoogleEncryptionService {
      */
     public String decryptPrice(String url) {
 
+        String encryptionKey ="encryption";
+        String integrityKey = "integrityKey";
+        ;
+        DoubleClickCrypto.Keys keys = null;
+        try {
+            keys = new DoubleClickCrypto.Keys(
+            new SecretKeySpec(Base64Utils.encode(encryptionKey.getBytes()), "HmacSHA1"),
+            new SecretKeySpec(Base64Utils.encode(integrityKey.getBytes()), "HmacSHA1"));
+        } catch (InvalidKeyException e) {
+            throw new RuntimeException(e);
+        }
+
+        DoubleClickCrypto.Price crypto = new DoubleClickCrypto.Price(keys);
+
+//        String encodedPrice = httpRequest.getHeader("price");
+//        double price = crypto.decodePriceValue(encodedPrice);
+
 
         return "my-decryptPrice-String";
     }