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// Copyright 2024 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/shortcuts/shortcut_creation_test_support.h"
#include <stdlib.h>
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "base/threading/thread_restrictions.h"
#include "chrome/browser/chrome_browser_main.h"
#include "chrome/browser/shell_integration_linux.h"
#include "chrome/browser/shortcuts/fake_linux_xdg_wrapper.h"
#include "chrome/browser/shortcuts/linux_xdg_wrapper.h"
#include "chrome/browser/shortcuts/shortcut_creation_test_support_linux.h"
#include "chrome/browser/shortcuts/shortcut_creator_linux.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "url/gurl.h"
namespace shortcuts {
namespace {
std::string GetDesktopEntry(const std::string& key,
const std::string& desktop_file_contents) {
return shell_integration_linux::internal::
GetDesktopEntryStringValueFromFromDesktopFileForTest(
key, desktop_file_contents);
}
} // namespace
namespace internal {
std::vector<std::string> ParseDesktopExecForCommandLine(const std::string& s) {
std::vector<std::string> result;
std::string current_arg;
bool in_quoted_arg = false;
for (size_t i = 0; i < s.length(); ++i) {
char c = s[i];
if (in_quoted_arg) {
// We're inside a "quoted argument" (i.e. have encountered a opening `"`
// but not yet a closing `"`).
if (c == '\\') {
// `\` is an escape character for the next character, so skip the '\'
// and append the next character to the current argument.
CHECK_LT(i + 1, s.length());
current_arg += s[++i];
} else if (c == '"') {
// `"` (which was not escaped) indicates the end of the quoted argument.
// Push the argument to `result` and reset state ready for the next
// argument.
result.push_back(std::move(current_arg));
in_quoted_arg = false;
current_arg = "";
} else {
current_arg += c;
}
} else if (c == '"') {
// `"` signals the start of a quoted argument. This should only occur when
// we're not already in the middle of an argument.
CHECK(current_arg.empty());
in_quoted_arg = true;
} else if (c == ' ' || c == '\t' || c == '\n') {
// Whitespace deliminates arguments, so if the current argument is
// non-empty, push it to `result`. The non-empty check ensures any
// sequence of whitespace is treated as a single argument deliminator.
if (!current_arg.empty()) {
result.push_back(current_arg);
current_arg = "";
}
} else {
current_arg += c;
}
}
CHECK(!in_quoted_arg);
if (!current_arg.empty()) {
result.push_back(current_arg);
}
return result;
}
} // namespace internal
ShortcutCreationTestSupport::ShortcutCreationTestSupport() {
std::unique_ptr<LinuxXdgWrapper> xdg_wrapper =
std::make_unique<FakeLinuxXdgWrapper>();
SetDefaultXdgWrapperForTesting(xdg_wrapper.get());
cleanup_test_overrides_ = base::ScopedClosureRunner(base::BindOnce(
[](std::unique_ptr<LinuxXdgWrapper>) {
SetDefaultXdgWrapperForTesting(nullptr);
},
std::move(xdg_wrapper)));
}
ShortcutCreationTestSupport::~ShortcutCreationTestSupport() = default;
// static
void ShortcutCreationTestSupport::LaunchShortcut(const base::FilePath& path) {
base::ScopedAllowBlockingForTesting allow_io;
std::string file;
CHECK(base::ReadFileToString(path, &file));
base::CommandLine command_line(
internal::ParseDesktopExecForCommandLine(GetDesktopEntry("Exec", file)));
ChromeBrowserMainParts::ProcessSingletonNotificationCallback(
command_line, /*current_directory=*/{});
}
// static
bool ShortcutCreationTestSupport::ShortcutIsForUrl(
const base::FilePath& path,
const GURL& url,
testing::MatchResultListener* result_listener) {
base::ScopedAllowBlockingForTesting allow_io;
std::string file;
if (!base::ReadFileToString(path, &file)) {
*result_listener << "Could not load .desktop file from " << path;
return false;
}
const std::string exec_value = GetDesktopEntry("Exec", file);
const std::string url_value = GetDesktopEntry("URL", file);
*result_listener << "Exec: " << exec_value << ", URL: " << url_value;
return url_value == url.spec() &&
exec_value.find(url.spec()) != std::string::npos;
}
// static
bool ShortcutCreationTestSupport::ShortcutIsForProfile(
const base::FilePath& path,
const base::FilePath& profile_path,
testing::MatchResultListener* result_listener) {
base::ScopedAllowBlockingForTesting allow_io;
std::string file;
if (!base::ReadFileToString(path, &file)) {
*result_listener << "Could not load .desktop file from " << path;
return false;
}
const std::string exec_value = GetDesktopEntry("Exec", file);
*result_listener << "Exec: " << exec_value;
return exec_value.find(base::StringPrintf(
"--profile-directory=%s",
profile_path.BaseName().value().c_str())) != std::string::npos;
}
// static
bool ShortcutCreationTestSupport::ShortcutHasTitle(
const base::FilePath& path,
const std::u16string& title,
::testing::MatchResultListener* result_listener) {
base::ScopedAllowBlockingForTesting allow_io;
std::string file;
if (!base::ReadFileToString(path, &file)) {
*result_listener << "Could not load .desktop file from " << path;
return false;
}
const std::string name_value = GetDesktopEntry("Name", file);
std::string safe_title = base::UTF16ToUTF8(title);
base::ReplaceChars(safe_title, " \n\r", "_", &safe_title);
// The actual linux shortcut code has more logic around illegal characters in
// file names that might need to be stripped. For now tests using this matcher
// don't use such file names, so the simpler approach here is good enough. If
// we do need to use this matcher in tests for such edge cases, the logic here
// might need to be updated.
return ExplainMatchResult(::testing::HasSubstr(safe_title),
path.BaseName().value(), result_listener) &&
ExplainMatchResult(::testing::Eq(base::UTF16ToUTF8(title)), name_value,
result_listener);
}
} // namespace shortcuts
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