1 files changed, 117 insertions, 0 deletions
diff --git a/netwerk/base/nsURLHelperWin.cpp b/netwerk/base/nsURLHelperWin.cpp
new file mode 100644
index 000000000..4ec46db4e
--- /dev/null
+++ b/netwerk/base/nsURLHelperWin.cpp
@@ -0,0 +1,117 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:set ts=4 sw=4 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* Windows-specific local file uri parsing */
+#include "nsURLHelper.h"
+#include "nsEscape.h"
+#include "nsIFile.h"
+#include <windows.h>
+
+nsresult
+net_GetURLSpecFromActualFile(nsIFile *aFile, nsACString &result)
+{
+    nsresult rv;
+    nsAutoString path;
+  
+    // construct URL spec from file path
+    rv = aFile->GetPath(path);
+    if (NS_FAILED(rv)) return rv;
+  
+    // Replace \ with / to convert to an url
+    path.ReplaceChar(char16_t(0x5Cu), char16_t(0x2Fu));
+
+    nsAutoCString escPath;
+
+    // Windows Desktop paths begin with a drive letter, so need an 'extra'
+    // slash at the begining
+    // C:\Windows =>  file:///C:/Windows
+    NS_NAMED_LITERAL_CSTRING(prefix, "file:///");
+
+    // Escape the path with the directory mask
+    NS_ConvertUTF16toUTF8 ePath(path);
+    if (NS_EscapeURL(ePath.get(), -1, esc_Directory+esc_Forced, escPath))
+        escPath.Insert(prefix, 0);
+    else
+        escPath.Assign(prefix + ePath);
+
+    // esc_Directory does not escape the semicolons, so if a filename 
+    // contains semicolons we need to manually escape them.
+    // This replacement should be removed in bug #473280
+    escPath.ReplaceSubstring(";", "%3b");
+
+    result = escPath;
+    return NS_OK;
+}
+
+nsresult
+net_GetFileFromURLSpec(const nsACString &aURL, nsIFile **result)
+{
+    nsresult rv;
+
+    if (aURL.Length() > (uint32_t) net_GetURLMaxLength()) {
+        return NS_ERROR_MALFORMED_URI;
+    }
+
+    nsCOMPtr<nsIFile> localFile(
+            do_CreateInstance(NS_LOCAL_FILE_CONTRACTID, &rv));
+    if (NS_FAILED(rv)) {
+        NS_ERROR("Only nsIFile supported right now");
+        return rv;
+    }
+
+    localFile->SetFollowLinks(true);
+
+    const nsACString *specPtr;
+
+    nsAutoCString buf;
+    if (net_NormalizeFileURL(aURL, buf))
+        specPtr = &buf;
+    else
+        specPtr = &aURL;
+    
+    nsAutoCString directory, fileBaseName, fileExtension;
+    
+    rv = net_ParseFileURL(*specPtr, directory, fileBaseName, fileExtension);
+    if (NS_FAILED(rv)) return rv;
+
+    nsAutoCString path;
+
+    if (!directory.IsEmpty()) {
+        NS_EscapeURL(directory, esc_Directory|esc_AlwaysCopy, path);
+        if (path.Length() > 2 && path.CharAt(2) == '|')
+            path.SetCharAt(':', 2);
+        path.ReplaceChar('/', '\\');
+    }    
+    if (!fileBaseName.IsEmpty())
+        NS_EscapeURL(fileBaseName, esc_FileBaseName|esc_AlwaysCopy, path);
+    if (!fileExtension.IsEmpty()) {
+        path += '.';
+        NS_EscapeURL(fileExtension, esc_FileExtension|esc_AlwaysCopy, path);
+    }
+    
+    NS_UnescapeURL(path);
+    if (path.Length() != strlen(path.get()))
+        return NS_ERROR_FILE_INVALID_PATH;
+
+    // remove leading '\'
+    if (path.CharAt(0) == '\\')
+        path.Cut(0, 1);
+
+    if (IsUTF8(path))
+        rv = localFile->InitWithPath(NS_ConvertUTF8toUTF16(path));
+        // XXX In rare cases, a valid UTF-8 string can be valid as a native 
+        // encoding (e.g. 0xC5 0x83 is valid both as UTF-8 and Windows-125x).
+        // However, the chance is very low that a meaningful word in a legacy
+        // encoding is valid as UTF-8.
+    else 
+        // if path is not in UTF-8, assume it is encoded in the native charset
+        rv = localFile->InitWithNativePath(path);
+
+    if (NS_FAILED(rv)) return rv;
+
+    localFile.forget(result);
+    return NS_OK;
+}