From 5a4e95e90160210f40c9a2cfae054b4e6bbbdb05 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwei@kingsome.cn>
Date: Mon, 11 May 2020 13:40:03 +0800
Subject: [PATCH] add logincheck

---
 cpp/utils.cc | 17 +++++++++++++++++
 cpp/utils.h  |  1 +
 2 files changed, 18 insertions(+)

diff --git a/cpp/utils.cc b/cpp/utils.cc
index c3933f6..38255a2 100644
--- a/cpp/utils.cc
+++ b/cpp/utils.cc
@@ -4,6 +4,7 @@
 #include <a8/csvreader.h>
 #include <a8/udplog.h>
 #include <a8/mysql.h>
+#include <a8/openssl.h>
 
 #include <google/protobuf/message.h>
 
@@ -308,6 +309,22 @@ namespace f8
         return true;
     }
 
+    bool LoginCheck(const std::string& accountid, const std::string& sessionid)
+    {
+        std::vector<std::string> strings;
+        a8::Split(sessionid, strings, '_');
+        if (strings.size() < 4) {
+            return false;
+        }
+        if (IsOnlineEnv()) {
+            //session_createtime account_registertime md51 md52
+            std::string md5_str = accountid + "f3a6a9a5-217a-4079-ab99-b5d69b8212be" +
+                strings[1] + strings[0];
+            return a8::openssl::md5(md5_str) == strings[2];
+        }
+        return true;
+    }
+
     int ExtractGameIdFromAccountId(const std::string& accountid)
     {
         std::vector<std::string> strings;
diff --git a/cpp/utils.h b/cpp/utils.h
index e548ee1..fddb4b4 100644
--- a/cpp/utils.h
+++ b/cpp/utils.h
@@ -109,6 +109,7 @@ namespace f8
     bool CheckRegisterTimeInSessionId(const std::string& accountid, const std::string& sessionid);
     time_t ExtractRegisterTimeFromSessionId(const std::string& sessionid);
     bool IsValidSessionId(const std::string& accountid, const std::string& sessionid);
+    bool LoginCheck(const std::string& accountid, const std::string& sessionid);
     int ExtractGameIdFromAccountId(const std::string& accountid);
     int ExtractChannelIdFromAccountId(const std::string& accountid);