Imported Upstream version 4.3.2.467

Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d

external/referencesource/System.Web/ErrorFormatter.cs

@@ -1851,6 +1851,7 @@ namespace System.Web {
         protected string _message;
         private Exception _e;
         private StringCollection _adaptiveMiscContent = new StringCollection();
+        private bool _allowSourceCode;
 
         internal ConfigErrorFormatter(System.Configuration.ConfigurationException e)
         : base(null /*virtualPath*/, e.Filename, null, e.Line) {
@@ -1861,6 +1862,11 @@ namespace System.Web {
             _adaptiveMiscContent.Add(_message);
         }
 
+        public bool AllowSourceCode {
+            get { return _allowSourceCode; }
+            set { _allowSourceCode = value; }
+        }
+
         protected override Encoding SourceFileEncoding {
             get { return Encoding.UTF8; }
         }
@@ -1892,6 +1898,16 @@ namespace System.Web {
         protected override StringCollection AdaptiveMiscContent {
             get { return _adaptiveMiscContent;}
         }
+
+        protected override string ColoredSquareContent {
+            get {
+                if (!AllowSourceCode) {
+                    return SR.GetString(SR.Generic_Err_Remote_Desc);
+                }
+
+                return base.ColoredSquareContent;
+            }
+        }
     }
 
     /*