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WinUpdater: Check OS and VC++ Redist versions.

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This commit is contained in:
Shawn Hoffman
2022-09-10 23:21:12 -07:00
parent 22197c09a3
commit 717c36bc43
13 changed files with 435 additions and 8 deletions
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41
Source/Core/UpdaterCommon/UpdaterCommon.cpp
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@ -18,6 +18,7 @@
#include "Common/HttpRequest.h"
#include "Common/ScopeGuard.h"
#include "Common/StringUtil.h"
#include "UpdaterCommon/Platform.h"
#include "UpdaterCommon/UI.h"
#ifndef _WIN32
@ -278,6 +279,41 @@ bool DownloadContent(const std::vector<TodoList::DownloadOp>& to_download,
return true;
}
bool PlatformVersionCheck(const std::vector<TodoList::UpdateOp>& to_update,
const std::string& install_base_path, const std::string& temp_dir)
{
UI::SetDescription("Checking platform...");
const auto op_it = std::find_if(to_update.cbegin(), to_update.cend(),
[&](const auto& op) { return op.filename == "build_info.txt"; });
if (op_it == to_update.cend())
return true;
const auto op = *op_it;
std::string build_info_path =
temp_dir + DIR_SEP + HexEncode(op.new_hash.data(), op.new_hash.size());
std::string build_info_content;
if (!File::ReadFileToString(build_info_path, build_info_content) ||
op.new_hash != ComputeHash(build_info_content))
{
fprintf(log_fp, "Failed to read %s\n.", build_info_path.c_str());
return false;
}
auto next_build_info = Platform::BuildInfo(build_info_content);
build_info_path = install_base_path + DIR_SEP + "build_info.txt";
auto this_build_info = Platform::BuildInfo();
if (File::ReadFileToString(build_info_path, build_info_content))
{
if (op.old_hash != ComputeHash(build_info_content))
fprintf(log_fp, "Using modified existing BuildInfo %s.\n", build_info_path.c_str());
this_build_info = Platform::BuildInfo(build_info_content);
}
// The existing BuildInfo may have been modified. Be careful not to overly trust its contents!
return Platform::VersionCheck(this_build_info, next_build_info);
}
TodoList ComputeActionsToDo(Manifest this_manifest, Manifest next_manifest)
{
TodoList todo;
@ -474,6 +510,11 @@ bool PerformUpdate(const TodoList& todo, const std::string& install_base_path,
return false;
fprintf(log_fp, "Download step completed.\n");
fprintf(log_fp, "Starting platform version check step...\n");
if (!PlatformVersionCheck(todo.to_update, install_base_path, temp_path))
return false;
fprintf(log_fp, "Platform version check step completed.\n");
fprintf(log_fp, "Starting update step...\n");
if (!UpdateFiles(todo.to_update, install_base_path, temp_path))
return false;