1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "content/browser/download/file_metadata_linux.h"
6
7 #include <sys/types.h>
8 #include <sys/xattr.h>
9
10 #include "base/file_util.h"
11 #include "base/files/file_path.h"
12 #include "base/logging.h"
13 #include "url/gurl.h"
14
15 namespace content {
16
17 const char kSourceURLAttrName[] = "user.xdg.origin.url";
18 const char kReferrerURLAttrName[] = "user.xdg.referrer.url";
19
SetExtendedFileAttribute(const char * path,const char * name,const char * value,size_t value_size,int flags)20 static void SetExtendedFileAttribute(const char* path, const char* name,
21 const char* value, size_t value_size,
22 int flags) {
23 int result = setxattr(path, name, value, value_size, flags);
24 if (result) {
25 DPLOG(ERROR)
26 << "Could not set extended attribute " << name << " on file " << path;
27 }
28 }
29
AddOriginMetadataToFile(const base::FilePath & file,const GURL & source,const GURL & referrer)30 void AddOriginMetadataToFile(const base::FilePath& file, const GURL& source,
31 const GURL& referrer) {
32 DCHECK(base::PathIsWritable(file));
33 if (source.is_valid()) {
34 SetExtendedFileAttribute(file.value().c_str(), kSourceURLAttrName,
35 source.spec().c_str(), source.spec().length(), 0);
36 }
37 if (referrer.is_valid()) {
38 SetExtendedFileAttribute(file.value().c_str(), kReferrerURLAttrName,
39 referrer.spec().c_str(), referrer.spec().length(), 0);
40 }
41 }
42
43 } // namespace content
44