File: file_select_helper_mac.mm

package info (click to toggle)
chromium 138.0.7204.157-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 6,071,864 kB
  • sloc: cpp: 34,936,859; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,967; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (152 lines) | stat: -rw-r--r-- 4,844 bytes parent folder | download | duplicates (3)
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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/file_select_helper.h"

#include <Cocoa/Cocoa.h>
#include <sys/stat.h>

#include <string_view>

#include "base/apple/foundation_util.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/functional/bind.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "third_party/zlib/google/zip.h"
#include "ui/shell_dialogs/selected_file_info.h"

namespace {

std::string_view AsStringPiece(NSString* str) {
  const char* data = [str fileSystemRepresentation];
  return data ? std::string_view(data) : std::string_view();
}

// Given the |path| of a package, returns the destination that the package
// should be zipped to. Returns an empty path on any errors.
base::FilePath ZipDestination(const base::FilePath& path) {
  base::FilePath dest;

  if (!base::GetTempDir(&dest)) {
    // Couldn't get the temporary directory.
    return base::FilePath();
  }

  // TMPDIR/<bundleID>/zip_cache/<guid>

  NSString* bundleID = [[NSBundle mainBundle] bundleIdentifier];
  dest = dest.Append(AsStringPiece(bundleID));

  dest = dest.Append("zip_cache");

  NSString* guid = [[NSProcessInfo processInfo] globallyUniqueString];
  dest = dest.Append(AsStringPiece(guid));

  return dest;
}

// Returns the path of the package and its components relative to the package's
// parent directory.
std::vector<base::FilePath> RelativePathsForPackage(
    const base::FilePath& package) {
  // Get the base directory.
  base::FilePath base_dir = package.DirName();

  // Add the package as the first relative path.
  std::vector<base::FilePath> relative_paths;
  relative_paths.push_back(package.BaseName());

  // Add the components of the package as relative paths.
  base::FileEnumerator file_enumerator(
      package,
      true /* recursive */,
      base::FileEnumerator::FILES | base::FileEnumerator::DIRECTORIES);
  for (base::FilePath path = file_enumerator.Next(); !path.empty();
       path = file_enumerator.Next()) {
    base::FilePath relative_path;
    bool success = base_dir.AppendRelativePath(path, &relative_path);
    if (success)
      relative_paths.push_back(relative_path);
  }

  return relative_paths;
}

}  // namespace

base::FilePath FileSelectHelper::ZipPackage(const base::FilePath& path) {
  base::FilePath dest(ZipDestination(path));
  if (dest.empty())
    return dest;

  if (!base::CreateDirectory(dest.DirName()))
    return base::FilePath();

  base::File file(dest, base::File::FLAG_CREATE | base::File::FLAG_WRITE);
  if (!file.IsValid())
    return base::FilePath();

  std::vector<base::FilePath> files_to_zip(RelativePathsForPackage(path));
  base::FilePath base_dir = path.DirName();
  bool success = zip::ZipFiles(base_dir, files_to_zip, file.GetPlatformFile());

  int result = -1;
  if (success)
    result = fchmod(file.GetPlatformFile(), S_IRUSR);

  return result >= 0 ? dest : base::FilePath();
}

void FileSelectHelper::ProcessSelectedFilesMac(
    const std::vector<ui::SelectedFileInfo>& files) {
  // Make a mutable copy of the input files.
  std::vector<ui::SelectedFileInfo> files_out(files);
  std::vector<base::FilePath> temporary_files;

  for (auto& file_info : files_out) {
    NSString* filename = base::apple::FilePathToNSString(file_info.local_path);
    BOOL isPackage =
        [[NSWorkspace sharedWorkspace] isFilePackageAtPath:filename];
    if (isPackage && base::DirectoryExists(file_info.local_path)) {
      base::FilePath result = ZipPackage(file_info.local_path);

      if (!result.empty()) {
        temporary_files.push_back(result);
        file_info.local_path = result;
        file_info.file_path = result;
        file_info.display_name.append(".zip");
      }
    }
  }

  content::GetUIThreadTaskRunner({})->PostTask(
      FROM_HERE,
      base::BindOnce(&FileSelectHelper::ProcessSelectedFilesMacOnUIThread,
                     base::Unretained(this), files_out, temporary_files));
}

void FileSelectHelper::ProcessSelectedFilesMacOnUIThread(
    const std::vector<ui::SelectedFileInfo>& files,
    const std::vector<base::FilePath>& temporary_files) {
  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);

  if (!temporary_files.empty()) {
    temporary_files_.insert(
        temporary_files_.end(), temporary_files.begin(), temporary_files.end());

    // Typically, |temporary_files| are deleted after |web_contents_| is
    // destroyed. If |web_contents_| is already NULL, then the temporary files
    // need to be deleted now.
    if (!web_contents_) {
      DeleteTemporaryFiles();
      RunFileChooserEnd();
      return;
    }
  }

  ConvertToFileChooserFileInfoList(files);
}