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AutoUpdate.cpp
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AutoUpdate.cpp
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// Copyright 2018 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "UICommon/AutoUpdate.h"
#include <cstdlib>
#include <string>
#include <fmt/format.h>
#include <picojson.h>
#include "Common/CommonFuncs.h"
#include "Common/CommonPaths.h"
#include "Common/FileUtil.h"
#include "Common/HttpRequest.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Common/StringUtil.h"
#include "Common/Version.h"
#ifdef _WIN32
#include <Windows.h>
#else
#include <sys/types.h>
#include <unistd.h>
#endif
#ifdef __APPLE__
#include <sys/stat.h>
#endif
#if defined(_WIN32) || defined(__APPLE__)
#define OS_SUPPORTS_UPDATER
#endif
// Refer to docs/autoupdate_overview.md for a detailed overview of the autoupdate process
namespace
{
bool s_update_triggered = false;
#ifdef __APPLE__
const char UPDATER_CONTENT_PATH[] = "/Contents/MacOS/Dolphin Updater";
#endif
#ifdef OS_SUPPORTS_UPDATER
const char UPDATER_LOG_FILE[] = "Updater.log";
std::string UpdaterPath(bool relocated = false)
{
std::string path(File::GetExeDirectory() + DIR_SEP);
#ifdef __APPLE__
if (relocated)
path += ".Dolphin Updater.2.app";
else
path += "Dolphin Updater.app";
return path;
#else
return path + "Updater.exe";
#endif
}
std::string MakeUpdaterCommandLine(const std::map<std::string, std::string>& flags)
{
#ifdef __APPLE__
std::string cmdline = "\"" + UpdaterPath(true) + UPDATER_CONTENT_PATH + "\"";
#else
std::string cmdline = UpdaterPath();
#endif
cmdline += " ";
for (const auto& pair : flags)
{
std::string value = "--" + pair.first + "=" + pair.second;
value = ReplaceAll(value, "\"", "\\\""); // Escape double quotes.
value = "\"" + value + "\" ";
cmdline += value;
}
return cmdline;
}
#ifdef __APPLE__
void CleanupFromPreviousUpdate()
{
// Remove the relocated updater file.
File::DeleteDirRecursively(UpdaterPath(true));
}
#endif
#endif
// This ignores i18n because most of the text in there (change descriptions) is only going to be
// written in english anyway.
std::string GenerateChangelog(const picojson::array& versions)
{
std::string changelog;
for (const auto& ver : versions)
{
if (!ver.is<picojson::object>())
continue;
picojson::object ver_obj = ver.get<picojson::object>();
if (ver_obj["changelog_html"].is<picojson::null>())
{
if (!changelog.empty())
changelog += "<div style=\"margin-top: 0.4em;\"></div>"; // Vertical spacing.
// Try to link to the PR if we have this info. Otherwise just show shortrev.
if (ver_obj["pr_url"].is<std::string>())
{
changelog += "<a href=\"" + ver_obj["pr_url"].get<std::string>() + "\">" +
ver_obj["shortrev"].get<std::string>() + "</a>";
}
else
{
changelog += ver_obj["shortrev"].get<std::string>();
}
const std::string escaped_description =
GetEscapedHtml(ver_obj["short_descr"].get<std::string>());
changelog += " by <a href = \"" + ver_obj["author_url"].get<std::string>() + "\">" +
ver_obj["author"].get<std::string>() + "</a> — " + escaped_description;
}
else
{
if (!changelog.empty())
changelog += "<hr>";
changelog += "<b>Dolphin " + ver_obj["shortrev"].get<std::string>() + "</b>";
changelog += "<p>" + ver_obj["changelog_html"].get<std::string>() + "</p>";
}
}
return changelog;
}
} // namespace
bool AutoUpdateChecker::SystemSupportsAutoUpdates()
{
#if defined(AUTOUPDATE) && defined(OS_SUPPORTS_UPDATER)
return true;
#else
return false;
#endif
}
static std::string GetPlatformID()
{
#if defined(_WIN32)
#if defined(_M_ARM_64)
return "win-arm64";
#else
return "win";
#endif
#elif defined(__APPLE__)
#if defined(MACOS_UNIVERSAL_BUILD)
return "macos-universal";
#else
return "macos";
#endif
#else
return "unknown";
#endif
}
static std::string GetUpdateServerUrl()
{
auto server_url = std::getenv("DOLPHIN_UPDATE_SERVER_URL");
if (server_url)
return server_url;
return "https://dolphin-emu.org";
}
static u32 GetOwnProcessId()
{
#ifdef _WIN32
return GetCurrentProcessId();
#else
return getpid();
#endif
}
void AutoUpdateChecker::CheckForUpdate(std::string_view update_track,
std::string_view hash_override, const CheckType check_type)
{
// Don't bother checking if updates are not supported or not enabled.
if (!SystemSupportsAutoUpdates() || update_track.empty())
return;
#ifdef __APPLE__
CleanupFromPreviousUpdate();
#endif
std::string_view version_hash = hash_override.empty() ? Common::GetScmRevGitStr() : hash_override;
std::string url = fmt::format("{}/update/check/v1/{}/{}/{}", GetUpdateServerUrl(), update_track,
version_hash, GetPlatformID());
const bool is_manual_check = check_type == CheckType::Manual;
Common::HttpRequest req{std::chrono::seconds{10}};
auto resp = req.Get(url);
if (!resp)
{
if (is_manual_check)
CriticalAlertFmtT("Unable to contact update server.");
return;
}
const std::string contents(reinterpret_cast<char*>(resp->data()), resp->size());
INFO_LOG_FMT(COMMON, "Auto-update JSON response: {}", contents);
picojson::value json;
const std::string err = picojson::parse(json, contents);
if (!err.empty())
{
CriticalAlertFmtT("Invalid JSON received from auto-update service : {0}", err);
return;
}
picojson::object obj = json.get<picojson::object>();
if (obj["status"].get<std::string>() != "outdated")
{
if (is_manual_check)
SuccessAlertFmtT("You are running the latest version available on this update track.");
INFO_LOG_FMT(COMMON, "Auto-update status: we are up to date.");
return;
}
NewVersionInformation nvi;
nvi.this_manifest_url = obj["old"].get<picojson::object>()["manifest"].get<std::string>();
nvi.next_manifest_url = obj["new"].get<picojson::object>()["manifest"].get<std::string>();
nvi.content_store_url = obj["content-store"].get<std::string>();
nvi.new_shortrev = obj["new"].get<picojson::object>()["name"].get<std::string>();
nvi.new_hash = obj["new"].get<picojson::object>()["hash"].get<std::string>();
// TODO: generate the HTML changelog from the JSON information.
nvi.changelog_html = GenerateChangelog(obj["changelog"].get<picojson::array>());
if (std::getenv("DOLPHIN_UPDATE_TEST_DONE"))
{
// We are at end of updater test flow, send a message to server, which will kill us.
req.Get(fmt::format("{}/update-test-done/{}", GetUpdateServerUrl(), GetOwnProcessId()));
}
else
{
OnUpdateAvailable(nvi);
}
}
void AutoUpdateChecker::TriggerUpdate(const AutoUpdateChecker::NewVersionInformation& info,
const AutoUpdateChecker::RestartMode restart_mode)
{
// Check to make sure we don't already have an update triggered
if (s_update_triggered)
{
WARN_LOG_FMT(COMMON, "Auto-update: received a redundant trigger request, ignoring");
return;
}
s_update_triggered = true;
#ifdef OS_SUPPORTS_UPDATER
std::map<std::string, std::string> updater_flags;
updater_flags["this-manifest-url"] = info.this_manifest_url;
updater_flags["next-manifest-url"] = info.next_manifest_url;
updater_flags["content-store-url"] = info.content_store_url;
updater_flags["parent-pid"] = std::to_string(GetOwnProcessId());
updater_flags["install-base-path"] = File::GetExeDirectory();
updater_flags["log-file"] = File::GetUserPath(D_LOGS_IDX) + UPDATER_LOG_FILE;
if (restart_mode == RestartMode::RESTART_AFTER_UPDATE)
updater_flags["binary-to-restart"] = File::GetExePath();
#ifdef __APPLE__
// Copy the updater so it can update itself if needed.
const std::string reloc_updater_path = UpdaterPath(true);
if (!File::Copy(UpdaterPath(), reloc_updater_path))
{
CriticalAlertFmtT("Unable to create updater copy.");
return;
}
if (chmod((reloc_updater_path + UPDATER_CONTENT_PATH).c_str(), 0700) != 0)
{
CriticalAlertFmtT("Unable to set permissions on updater copy.");
return;
}
#endif
// Run the updater!
std::string command_line = MakeUpdaterCommandLine(updater_flags);
INFO_LOG_FMT(COMMON, "Updater command line: {}", command_line);
#ifdef _WIN32
STARTUPINFO sinfo{.cb = sizeof(sinfo)};
sinfo.dwFlags = STARTF_FORCEOFFFEEDBACK; // No hourglass cursor after starting the process.
PROCESS_INFORMATION pinfo;
if (CreateProcessW(UTF8ToWString(UpdaterPath()).c_str(), UTF8ToWString(command_line).data(),
nullptr, nullptr, FALSE, 0, nullptr, nullptr, &sinfo, &pinfo))
{
CloseHandle(pinfo.hThread);
CloseHandle(pinfo.hProcess);
}
else
{
const std::string error = GetLastErrorString();
CriticalAlertFmtT("Could not start updater process: {0}", error);
}
#else
if (popen(command_line.c_str(), "r") == nullptr)
{
const std::string error = LastStrerrorString();
CriticalAlertFmtT("Could not start updater process: {0}", error);
}
#endif
#endif
}