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// Copyright (c) 2012 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 "chrome/browser/platform_util.h"
#include "base/bind.h"
#include "base/files/file_util.h"
#include "base/process/kill.h"
#include "base/process/launch.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/platform_util_internal.h"
#include "content/public/browser/browser_thread.h"
#include "url/gurl.h"
using content::BrowserThread;
namespace platform_util {
namespace {
void XDGUtil(const std::string& util,
const base::FilePath& working_directory,
const std::string& arg) {
std::vector<std::string> argv;
argv.push_back(util);
argv.push_back(arg);
base::LaunchOptions options;
options.current_directory = working_directory;
options.allow_new_privs = true;
// xdg-open can fall back on mailcap which eventually might plumb through
// to a command that needs a terminal. Set the environment variable telling
// it that we definitely don't have a terminal available and that it should
// bring up a new terminal if necessary. See "man mailcap".
options.environ["MM_NOTTTY"] = "1";
// In Google Chrome, we do not let GNOME's bug-buddy intercept our crashes.
// However, we do not want this environment variable to propagate to external
// applications. See http://crbug.com/24120
char* disable_gnome_bug_buddy = getenv("GNOME_DISABLE_CRASH_DIALOG");
if (disable_gnome_bug_buddy &&
disable_gnome_bug_buddy == std::string("SET_BY_GOOGLE_CHROME"))
options.environ["GNOME_DISABLE_CRASH_DIALOG"] = std::string();
base::Process process = base::LaunchProcess(argv, options);
if (process.IsValid())
base::EnsureProcessGetsReaped(process.Pid());
}
void XDGOpen(const base::FilePath& working_directory, const std::string& path) {
XDGUtil("xdg-open", working_directory, path);
}
void XDGEmail(const std::string& email) {
XDGUtil("xdg-email", base::FilePath(), email);
}
} // namespace
namespace internal {
void PlatformOpenVerifiedItem(const base::FilePath& path, OpenItemType type) {
switch (type) {
case OPEN_FILE:
XDGOpen(path.DirName(), path.value());
break;
case OPEN_FOLDER:
// The utility process checks the working directory prior to the
// invocation of xdg-open by changing the current directory into it. This
// operation only succeeds if |path| is a directory. Opening "." from
// there ensures that the target of the operation is a directory. Note
// that there remains a TOCTOU race where the directory could be unlinked
// between the time the utility process changes into the directory and the
// time the application invoked by xdg-open inspects the path by name.
XDGOpen(path, ".");
break;
}
}
} // namespace internal
void ShowItemInFolder(Profile* profile, const base::FilePath& full_path) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// TODO(estade): It would be nice to be able to select the file in the file
// manager, but that probably requires extending xdg-open. For now just show
// the folder.
OpenItem(profile, full_path.DirName(), OPEN_FOLDER, OpenOperationCallback());
}
void OpenExternal(Profile* profile, const GURL& url) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
if (url.SchemeIs("mailto"))
XDGEmail(url.spec());
else
XDGOpen(base::FilePath(), url.spec());
}
} // namespace platform_util
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