From 4870bdb5354bb54b3f39454d0330379942104ff6 Mon Sep 17 00:00:00 2001
From: surendrakoritalanewsignature
 <68114451+surendrakoritalanewsignature@users.noreply.github.com>
Date: Wed, 15 Jul 2020 10:11:59 -0400
Subject: [PATCH] Commit #2: Made changes to handle size limits of 4GB

---
 Controllers/AzureProviderController.cs |  4 +++-
 Models/AzureFileProvider.cs            | 14 ++++++-------
 Startup.cs                             |  5 +++++
 web.config                             | 27 +++++++++++++-------------
 4 files changed, 29 insertions(+), 21 deletions(-)

diff --git a/Controllers/AzureProviderController.cs b/Controllers/AzureProviderController.cs
index 7ff3237..4c62d6d 100644
--- a/Controllers/AzureProviderController.cs
+++ b/Controllers/AzureProviderController.cs
@@ -20,7 +20,7 @@ public AzureProviderController(IHostingEnvironment hostingEnvironment)
         {
             this.operation = new AzureFileProvider();
             // Create a storage account in azure, modify storage name, key, 
-            this.operation.RegisterAzure("samplestorageaccount10", "HDTtipcpTx44LAKfnnWon1bhFZfZVpE6Vt5ToWihBPOgPmKOPkayd+i902eCm3V2Ms1dEi2df4JuKrrdbSoXOw==", "files");
+            this.operation.RegisterAzure("samplestorageaccount10", "QMdPLhIgZGRaHh3uHmIfEnGl/Qq+QWRtisvrZkQZcVlvdU/Gn4AKBMYZ0Uj1g04qrb/fMWxX3extH3ljTBIJNw==", "files");
             this.operation.SetBlobContainer("https://samplestorageaccount10.blob.core.windows.net/files/", "https://samplestorageaccount10.blob.core.windows.net/files/Files");
             //----------
             //For example 
@@ -29,6 +29,8 @@ public AzureProviderController(IHostingEnvironment hostingEnvironment)
             //---------
         }
         [Route("AzureFileOperations")]
+        [RequestFormLimits(MultipartBodyLengthLimit = 4294967270)]
+        [RequestSizeLimit(4294967270)]
         public object AzureFileOperations([FromBody] FileManagerDirectoryContent args)
         {
             if (args.Path != "")
diff --git a/Models/AzureFileProvider.cs b/Models/AzureFileProvider.cs
index d841d24..e2f20a5 100644
--- a/Models/AzureFileProvider.cs
+++ b/Models/AzureFileProvider.cs
@@ -470,18 +470,18 @@ protected async Task<FileManagerResponse> UploadAsync(IEnumerable<IFormFile> fil
                         string absoluteFilePath = Path.Combine(Path.GetTempPath(), fileName);                       
                         if (action == "save")
                         {
-                            if (!File.Exists(absoluteFilePath))
-                            {
+                            //if (!File.Exists(absoluteFilePath))
+                            //{
                                 using (FileStream fs = File.Create(absoluteFilePath))
                                 {
                                     await blockBlob.UploadFromStreamAsync(file.OpenReadStream());
                                     fs.Flush();
                                 }
-                            }
-                            else
-                            {
-                                existFiles.Add(fileName);
-                            }
+                            //}
+                            //else
+                            //{
+                            //    existFiles.Add(fileName);
+                            //}
                         }
                         else if (action == "delete")
                         {
diff --git a/Startup.cs b/Startup.cs
index cdedb98..147a824 100644
--- a/Startup.cs
+++ b/Startup.cs
@@ -4,6 +4,7 @@
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http.Features;
 using Microsoft.AspNetCore.HttpsPolicy;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
@@ -36,6 +37,10 @@ public void ConfigureServices(IServiceCollection services)
                     .AllowAnyHeader();
                 });
             });
+            services.Configure<FormOptions>(x =>
+            {
+                x.MultipartBodyLengthLimit = 4294967270;
+            });
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
diff --git a/web.config b/web.config
index 85f1af1..cf7e5ea 100644
--- a/web.config
+++ b/web.config
@@ -1,15 +1,16 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
-  <system.webServer>
-    <security>
-      <requestFiltering>
-        <requestLimits maxAllowedContentLength="1073741824"></requestLimits>
-      </requestFiltering>
-    </security>
-    <handlers>
-      <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModule" resourceType="Unspecified" />
-    </handlers>
-    <aspNetCore processPath="%LAUNCHER_PATH%" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" arguments="%LAUNCHER_ARGS%" />
-  </system.webServer>
-</configuration>
-<!--ProjectGuid: D2F1360E-DF8C-4AD2-A8CC-942A180D6762-->
\ No newline at end of file
+	<system.webServer>
+		<security>
+			<requestFiltering>
+				<requestLimits maxAllowedContentLength="4294967270"></requestLimits>
+			</requestFiltering>
+		</security>
+		<handlers>
+			<add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModule" resourceType="Unspecified" />
+		</handlers>
+		<aspNetCore processPath="%LAUNCHER_PATH%" stdoutLogEnabled="false" stdoutLogFile=".\logs\stdout" arguments="%LAUNCHER_ARGS%">
+			<environmentVariables />
+		</aspNetCore>
+	</system.webServer>
+</configuration>
\ No newline at end of file