From f482c27cd73db033642767be9b6de8410b5bc9be Mon Sep 17 00:00:00 2001
From: John Cardinal <support@ayanova.com>
Date: Wed, 2 Oct 2019 23:55:46 +0000
Subject: [PATCH]

---
 source/Plugins/AyaNova.Plugin.QBOI/Util.cs | 45 +++++++++++++++++++---
 1 file changed, 40 insertions(+), 5 deletions(-)

diff --git a/source/Plugins/AyaNova.Plugin.QBOI/Util.cs b/source/Plugins/AyaNova.Plugin.QBOI/Util.cs
index a55d738..43a32c4 100644
--- a/source/Plugins/AyaNova.Plugin.QBOI/Util.cs
+++ b/source/Plugins/AyaNova.Plugin.QBOI/Util.cs
@@ -296,12 +296,20 @@ namespace AyaNova.PlugIn.QBOI
         const string KAT = "xZ\v\nQ\a(\fN\nX\0\a}\vO[\vZTV_\fWQ,\vV\v

-";
         const string KOACS = "
Y?,V\f1^\0\r+\v!<0-1$
\n7-9\fV\0?%#3";
 
+        //oAuth2 new variables
+        public static Intuit.Ipp.OAuth2PlatformClient.OAuth2Client oac = null;
         const string Q2_CLIENT_ID = "ABj70Wv5gDauFd9KgKFwuvpQjfzTwEgodEG8tnBbS8mSQhNrZJ";
         const string Q2_CLIENT_SECRET = "XUmJyvEcEuwQuyhARUAm0a8G3gzbEAeMiATCLyFZ";
         const string Q2_REDIRECT_URL = "https://qboauth.ayanova.com/redirect";
         const string Q2_ENVIRONMENT = "Sandbox";
+        const double Q2_TOKEN_LIFESPAN_MINUTES = 45;//Minutes to hold on to access token before refreshing.  Right now oct 2019 it's one hour lifespan.
         static string QBOI2_SESSION_TOKEN = "";
+        public static string ACCESS_TOKEN { get; set; }
+        public static string REFRESH_TOKEN { get; set; }
+        public static string REALM_ID { get; set; }
+        public static DateTime TOKEN_BIRTHDAY { get; set; }
 
+        
 
         //simple xor encryption
         private static string Ec(string text, string key)
@@ -363,6 +371,31 @@ namespace AyaNova.PlugIn.QBOI
             }
         }
 
+        /// <summary>
+        /// Refresh token if necessary, call this regularly
+        /// will check if access token is approaching expiry (1 hour)
+        /// and will refresh as necessary
+        /// </summary>
+        public static void RefreshTokens()
+        {
+            DateTime dtExpireAfter=DateTime.Now.AddMinutes( Q2_TOKEN_LIFESPAN_MINUTES);
+
+            if (TOKEN_BIRTHDAY < dtExpireAfter)
+            {
+                return;
+            }
+
+            //refresh token here
+
+           var v= oac.RefreshTokenAsync(REFRESH_TOKEN).Result;
+           TOKEN_BIRTHDAY = DateTime.Now;
+           ACCESS_TOKEN = v.AccessToken;
+           REFRESH_TOKEN = v.RefreshToken;
+         
+        }
+            
+        
+
 
         static ServiceContext SC = null;
         //static DesktopIppOAuth.OAuthConnector CN;
@@ -411,13 +444,15 @@ namespace AyaNova.PlugIn.QBOI
             }
            * */
 
-            string ACCESS_TOKEN = j["access_token"].Value<string>();
-            string REFRESH_TOKEN = j["refresh_token"].Value<string>();
-            string REALM_ID = j["realmId"].Value<string>();
+            ACCESS_TOKEN = j["access_token"].Value<string>();
+            REFRESH_TOKEN = j["refresh_token"].Value<string>();
+            REALM_ID = j["realmId"].Value<string>();
+            ///***************************************** TESTING FIX THIS LATER ***********************
+            TOKEN_BIRTHDAY = DateTime.Now.AddMinutes(-90);//TESTING TESTING TESTING
 
             //NOTE: this app will handle refreshing the token in-session as apparently that's possible from here, maybe should test that or could simply just refresh via our server
 
-            Intuit.Ipp.OAuth2PlatformClient.OAuth2Client oac = new OAuth2Client(Q2_CLIENT_ID, Q2_CLIENT_SECRET, Q2_REDIRECT_URL, Q2_ENVIRONMENT);
+            oac = new OAuth2Client(Q2_CLIENT_ID, Q2_CLIENT_SECRET, Q2_REDIRECT_URL, Q2_ENVIRONMENT);
 
             //case 3669
             //https://help.developer.intuit.com/s/question/0D50f00005gFeqpCAC/how-do-i-suddenly-get-there-was-an-error-while-communicating-with-the-ids-server
@@ -563,7 +598,7 @@ namespace AyaNova.PlugIn.QBOI
                 }
             }
 
-           
+            RefreshTokens();
 
             IntegrationLog.Log(QBID, "PFC: Authentication completed, validating company data");