Update static files to use strong comparison on ETags

Author: JunTaoLuo

NuGet.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <packageSources>
-    <add key="AspNetVNext" value="https://www.myget.org/F/aspnetcidev/api/v3/index.json" />
+    <add key="AspNetCore" value="https://dotnet.myget.org/F/aspnetcore-ci-dev/api/v3/index.json" />
     <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
   </packageSources>
 </configuration>

src/Microsoft.AspNetCore.StaticFiles/StaticFileContext.cs

@@ -173,7 +173,7 @@ private void ComputeIfMatch()
                 _ifMatchState = PreconditionState.PreconditionFailed;
                 foreach (var etag in ifMatch)
                 {
-                    if (etag.Equals(EntityTagHeaderValue.Any) || etag.Equals(_etag))
+                    if (etag.Equals(EntityTagHeaderValue.Any) || etag.Compare(_etag, useStrongComparison: true))
                     {
                         _ifMatchState = PreconditionState.ShouldProcess;
                         break;
@@ -188,7 +188,7 @@ private void ComputeIfMatch()
                 _ifNoneMatchState = PreconditionState.ShouldProcess;
                 foreach (var etag in ifNoneMatch)
                 {
-                    if (etag.Equals(EntityTagHeaderValue.Any) || etag.Equals(_etag))
+                    if (etag.Equals(EntityTagHeaderValue.Any) || etag.Compare(_etag, useStrongComparison: true))
                     {
                         _ifNoneMatchState = PreconditionState.NotModified;
                         break;
@@ -273,7 +273,7 @@ private void ComputeRange()
                         ignoreRangeHeader = true;
                     }
                 }
-                else if (ifRangeHeader.EntityTag != null && !_etag.Equals(ifRangeHeader.EntityTag))
+                else if (ifRangeHeader.EntityTag != null && !ifRangeHeader.EntityTag.Compare(_etag, useStrongComparison: true))
                 {
                     ignoreRangeHeader = true;
                 }