mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-22 15:40:19 +00:00
57dc179b1f
This will make it easier to support both string types at the same time while we convert code, and tracking down remaining uses. One big exception is Value::to_string() in LibJS, where the name is dictated by the ToString AO.
112 lines
4.1 KiB
C++
112 lines
4.1 KiB
C++
/*
|
|
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/LexicalPath.h>
|
|
#include <AK/Random.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <LibCore/System.h>
|
|
#include <LibMain/Main.h>
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
|
|
constexpr StringView default_template = "tmp.XXXXXXXXXX"sv;
|
|
|
|
static DeprecatedString generate_random_filename(DeprecatedString const& pattern)
|
|
{
|
|
StringBuilder new_filename { pattern.length() };
|
|
|
|
constexpr char random_characters[] = "abcdefghijklmnopqrstuvwxyz0123456789";
|
|
for (size_t i = 0; i < pattern.length(); i++) {
|
|
if (pattern[i] == 'X')
|
|
new_filename.append(random_characters[(get_random<u32>() % (sizeof(random_characters) - 1))]);
|
|
else
|
|
new_filename.append(pattern[i]);
|
|
}
|
|
|
|
return new_filename.to_deprecated_string();
|
|
}
|
|
|
|
static ErrorOr<DeprecatedString> make_temp(DeprecatedString const& pattern, bool directory, bool dry_run)
|
|
{
|
|
for (int i = 0; i < 100; ++i) {
|
|
auto path = generate_random_filename(pattern);
|
|
if (dry_run) {
|
|
auto stat_or_error = Core::System::lstat(path.view());
|
|
if (stat_or_error.is_error() && stat_or_error.error().code() == ENOENT)
|
|
return path;
|
|
} else if (directory) {
|
|
TRY(Core::System::mkdir(path.view(), 0700));
|
|
return path;
|
|
} else {
|
|
auto fd_or_error = Core::System::open(path.view(), O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
|
|
if (!fd_or_error.is_error()) {
|
|
TRY(Core::System::close(fd_or_error.value()));
|
|
return path;
|
|
}
|
|
}
|
|
}
|
|
return DeprecatedString {};
|
|
}
|
|
|
|
ErrorOr<int> serenity_main(Main::Arguments arguments)
|
|
{
|
|
TRY(Core::System::pledge("stdio rpath wpath cpath"));
|
|
|
|
StringView file_template;
|
|
bool create_directory = false;
|
|
bool dry_run = false;
|
|
bool quiet = false;
|
|
StringView target_directory;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.set_general_help("Create a temporary file or directory, safely, and print its name.");
|
|
args_parser.add_positional_argument(file_template, "The template must contain at least 3 consecutive 'X's", "template", Core::ArgsParser::Required::No);
|
|
args_parser.add_option(create_directory, "Create a temporary directory instead of a file", "directory", 'd');
|
|
args_parser.add_option(dry_run, "Do not create anything, just print a unique name", "dry-run", 'u');
|
|
args_parser.add_option(quiet, "Do not print diagnostics about file/directory creation failure", "quiet", 'q');
|
|
args_parser.add_option(target_directory, "Create TEMPLATE relative to DIR", "tmpdir", 'p', "DIR");
|
|
args_parser.parse(arguments);
|
|
|
|
if (target_directory.is_empty()) {
|
|
if (!file_template.is_empty()) { // If a custom template is specified we assume the target directory is the current directory
|
|
// FIXME: Get rid of this minor memory leak.
|
|
auto const* cwd_ptr = getcwd(nullptr, 0);
|
|
target_directory = StringView { cwd_ptr, strlen(cwd_ptr) };
|
|
} else {
|
|
LexicalPath template_path(file_template);
|
|
char const* env_directory = getenv("TMPDIR");
|
|
target_directory = env_directory && *env_directory ? StringView { env_directory, strlen(env_directory) } : "/tmp"sv;
|
|
}
|
|
}
|
|
|
|
if (file_template.is_empty()) {
|
|
file_template = default_template;
|
|
}
|
|
|
|
if (!file_template.find("XXX"sv).has_value()) {
|
|
if (!quiet)
|
|
warnln("Too few X's in template {}", file_template);
|
|
return 1;
|
|
}
|
|
|
|
auto target_path = LexicalPath::join(target_directory, file_template).string();
|
|
|
|
auto final_path = TRY(make_temp(target_path, create_directory, dry_run));
|
|
if (final_path.is_null()) {
|
|
if (!quiet) {
|
|
if (create_directory)
|
|
warnln("Failed to create directory via template {}", target_path.characters());
|
|
else
|
|
warnln("Failed to create file via template {}", target_path.characters());
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
outln("{}", final_path);
|
|
|
|
return 0;
|
|
}
|