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// Copyright (c) 2013 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.
//
// A tool to dump HTML5 filesystem from CUI.
//
// Usage:
//
// ./out/Release/dump_file_system [options] <filesystem dir> [origin]...
//
// If no origin is specified, this dumps all origins in the profile dir.
//
// Available options:
//
// -t : dumps temporary files instead of persistent.
// -s : dumps syncable files instead of persistent.
// -l : more information will be displayed.
//
// The format of -l option is:
//
// === ORIGIN origin_name origin_dir ===
// file_name file_id file_size file_content_path
// ...
//
// where file_name has a trailing slash, file_size is the number of
// children, and file_content_path is empty if the file is a directory.
//
#include <stdio.h>
#include <stdlib.h>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/format_macros.h"
#include "base/strings/stringprintf.h"
#include "webkit/browser/fileapi/obfuscated_file_util.h"
#include "webkit/browser/fileapi/sandbox_directory_database.h"
#include "webkit/browser/fileapi/sandbox_file_system_backend.h"
#include "webkit/browser/fileapi/sandbox_origin_database.h"
#include "webkit/common/fileapi/file_system_types.h"
#include "webkit/common/fileapi/file_system_util.h"
namespace {
bool g_opt_long;
const char* g_opt_fs_type = "p";
void ShowMessageAndExit(const std::string& msg) {
fprintf(stderr, "%s\n", msg.c_str());
exit(EXIT_FAILURE);
}
void ShowUsageAndExit(const std::string& arg0) {
ShowMessageAndExit(
"Usage: " + arg0 +
" [-l] [-t] [-s] <filesystem dir> [origin]...");
}
} // namespace
namespace fileapi {
static void DumpDirectoryTree(const std::string& origin_name,
base::FilePath origin_dir) {
origin_dir = origin_dir.Append(g_opt_fs_type);
printf("=== ORIGIN %s %s ===\n",
origin_name.c_str(), FilePathToString(origin_dir).c_str());
if (!base::DirectoryExists(origin_dir))
return;
SandboxDirectoryDatabase directory_db(origin_dir, NULL);
SandboxDirectoryDatabase::FileId root_id;
if (!directory_db.GetFileWithPath(StringToFilePath("/"), &root_id))
return;
std::stack<std::pair<SandboxDirectoryDatabase::FileId,
std::string> > paths;
paths.push(std::make_pair(root_id, ""));
while (!paths.empty()) {
SandboxDirectoryDatabase::FileId id = paths.top().first;
const std::string dirname = paths.top().second;
paths.pop();
SandboxDirectoryDatabase::FileInfo info;
if (!directory_db.GetFileInfo(id, &info)) {
ShowMessageAndExit(base::StringPrintf("GetFileInfo failed for %"PRId64,
id));
}
const std::string name =
dirname + "/" + FilePathToString(base::FilePath(info.name));
std::vector<SandboxDirectoryDatabase::FileId> children;
if (info.is_directory()) {
if (!directory_db.ListChildren(id, &children)) {
ShowMessageAndExit(base::StringPrintf(
"ListChildren failed for %s (%"PRId64")",
info.name.c_str(), id));
}
for (size_t j = children.size(); j; j--)
paths.push(make_pair(children[j-1], name));
}
// +1 for the leading extra slash.
const char* display_name = name.c_str() + 1;
const char* directory_suffix = info.is_directory() ? "/" : "";
if (g_opt_long) {
int64 size;
if (info.is_directory()) {
size = static_cast<int64>(children.size());
} else {
base::GetFileSize(origin_dir.Append(info.data_path), &size);
}
// TODO(hamaji): Modification time?
printf("%s%s %"PRId64" %"PRId64" %s\n",
display_name,
directory_suffix,
id,
size,
FilePathToString(info.data_path).c_str());
} else {
printf("%s%s\n", display_name, directory_suffix);
}
}
}
static void DumpOrigin(const base::FilePath& file_system_dir,
const std::string& origin_name) {
SandboxOriginDatabase origin_db(file_system_dir, NULL);
base::FilePath origin_dir;
if (!origin_db.HasOriginPath(origin_name)) {
ShowMessageAndExit("Origin " + origin_name + " is not in " +
FilePathToString(file_system_dir));
}
if (!origin_db.GetPathForOrigin(origin_name, &origin_dir)) {
ShowMessageAndExit("Failed to get path of origin " + origin_name +
" in " + FilePathToString(file_system_dir));
}
DumpDirectoryTree(origin_name, file_system_dir.Append(origin_dir));
}
static void DumpFileSystem(const base::FilePath& file_system_dir) {
SandboxOriginDatabase origin_db(file_system_dir, NULL);
std::vector<SandboxOriginDatabase::OriginRecord> origins;
origin_db.ListAllOrigins(&origins);
for (size_t i = 0; i < origins.size(); i++) {
const SandboxOriginDatabase::OriginRecord& origin = origins[i];
DumpDirectoryTree(origin.origin, file_system_dir.Append(origin.path));
puts("");
}
}
} // namespace fileapi
int main(int argc, char* argv[]) {
const char* arg0 = argv[0];
std::string username = "Default";
while (true) {
if (argc < 2)
ShowUsageAndExit(arg0);
if (std::string(argv[1]) == "-l") {
g_opt_long = true;
argc--;
argv++;
} else if (std::string(argv[1]) == "-t") {
g_opt_fs_type = "t";
argc--;
argv++;
} else if (std::string(argv[1]) == "-s") {
g_opt_fs_type = "s";
argc--;
argv++;
} else {
break;
}
}
if (argc < 2)
ShowUsageAndExit(arg0);
const base::FilePath file_system_dir = fileapi::StringToFilePath(argv[1]);
if (!base::DirectoryExists(file_system_dir)) {
ShowMessageAndExit(fileapi::FilePathToString(file_system_dir) +
" is not a filesystem directory");
}
if (argc == 2) {
fileapi::DumpFileSystem(file_system_dir);
} else {
for (int i = 2; i < argc; i++) {
fileapi::DumpOrigin(file_system_dir, argv[i]);
}
}
return 0;
}
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