1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/updater/update_install_shim.h"
#include "base/files/file_enumerator.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/logging.h"
#include "base/strings/string_number_conversions.h"
#include "base/values.h"
#include "content/public/browser/browser_thread.h"
namespace extensions {
UpdateInstallShim::UpdateInstallShim(std::string extension_id,
const base::FilePath& extension_root,
const UpdateInstallShimCallback& callback)
: extension_id_(extension_id),
extension_root_(extension_root),
callback_(callback) {}
void UpdateInstallShim::OnUpdateError(int error) {
VLOG(1) << "OnUpdateError (" << extension_id_ << ") " << error;
}
bool UpdateInstallShim::Install(const base::DictionaryValue& manifest,
const base::FilePath& unpack_path) {
base::ScopedTempDir temp_dir;
if (!temp_dir.CreateUniqueTempDir())
return false;
// The UpdateClient code will delete unpack_path if it still exists after
// this method is done, so we rename it on top of our temp dir.
if (!base::DeleteFile(temp_dir.path(), true) ||
!base::Move(unpack_path, temp_dir.path())) {
LOG(ERROR) << "Trying to install update for " << extension_id_
<< "and failed to move " << unpack_path.value() << " to "
<< temp_dir.path().value();
return false;
}
content::BrowserThread::PostTask(
content::BrowserThread::UI, FROM_HERE,
base::Bind(&UpdateInstallShim::RunCallbackOnUIThread, this,
temp_dir.Take()));
return true;
}
bool UpdateInstallShim::GetInstalledFile(const std::string& file,
base::FilePath* installed_file) {
base::FilePath relative_path = base::FilePath::FromUTF8Unsafe(file);
if (relative_path.IsAbsolute() || relative_path.ReferencesParent())
return false;
*installed_file = extension_root_.Append(relative_path);
if (!extension_root_.IsParent(*installed_file) ||
!base::PathExists(*installed_file)) {
VLOG(1) << "GetInstalledFile failed to find " << installed_file->value();
installed_file->clear();
return false;
}
return true;
}
bool UpdateInstallShim::Uninstall() {
NOTREACHED();
return false;
}
UpdateInstallShim::~UpdateInstallShim() {}
void UpdateInstallShim::RunCallbackOnUIThread(const base::FilePath& temp_dir) {
if (callback_.is_null()) {
content::BrowserThread::PostBlockingPoolTask(
FROM_HERE, base::Bind(base::IgnoreResult(&base::DeleteFile), temp_dir,
true /*recursive */));
return;
}
callback_.Run(extension_id_, temp_dir);
}
} // namespace extensions
|
