From aa397faa177947789d598172c2bde232a69c8a8c Mon Sep 17 00:00:00 2001
From: Lombiq <registrator@lombiq.com>
Date: Wed, 25 Jun 2014 15:33:48 +0200
Subject: [PATCH] #20397: Exceptions are not used for flow control anymore in
 some storage services
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Work Item: 20397

Signed-off-by: Zoltán Lehóczky <lehoczky_zoltan@pyrocenter.hu>
---
 .../Services/FileSystems/Media/AzureBlobStorageProvider.cs    | 4 ++++
 src/Orchard/FileSystems/Media/FileSystemStorageProvider.cs    | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/src/Orchard.Web/Modules/Orchard.Azure/Services/FileSystems/Media/AzureBlobStorageProvider.cs b/src/Orchard.Web/Modules/Orchard.Azure/Services/FileSystems/Media/AzureBlobStorageProvider.cs
index c843c2aee..2c480a277 100644
--- a/src/Orchard.Web/Modules/Orchard.Azure/Services/FileSystems/Media/AzureBlobStorageProvider.cs
+++ b/src/Orchard.Web/Modules/Orchard.Azure/Services/FileSystems/Media/AzureBlobStorageProvider.cs
@@ -23,6 +23,10 @@ namespace Orchard.Azure.Services.FileSystems.Media {
 
         public bool TrySaveStream(string path, Stream inputStream) {
             try {
+                if (FileExists(path)) {
+                    return false;
+                }
+
                 SaveStream(path, inputStream);
             }
             catch {
diff --git a/src/Orchard/FileSystems/Media/FileSystemStorageProvider.cs b/src/Orchard/FileSystems/Media/FileSystemStorageProvider.cs
index 56ca1382c..61da10c0b 100644
--- a/src/Orchard/FileSystems/Media/FileSystemStorageProvider.cs
+++ b/src/Orchard/FileSystems/Media/FileSystemStorageProvider.cs
@@ -298,6 +298,10 @@ namespace Orchard.FileSystems.Media {
         /// <returns>True if success; False otherwise.</returns>
         public bool TrySaveStream(string path, Stream inputStream) {
             try {
+                if (FileExists(path)) {
+                    return false;
+                }
+
                 SaveStream(path, inputStream);
             }
             catch {