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Galaxy: Improve split file support in MojoSetup hack

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Read base file paths from "data/noarch/support/split_files".
This should avoid issues with potential name conflicts caused by regex detection.
This commit is contained in:
Sude 2020-02-19 21:20:02 +02:00
parent 8caca0e62a
commit d386bdec2e
1 changed files with 73 additions and 7 deletions
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80
src/downloader.cpp
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@ -4193,6 +4193,49 @@ void Downloader::galaxyInstallGame_MojoSetupHack(const std::string& product_id)
std::vector<zipFileEntry> vZipFiles;
std::vector<zipFileEntry> vZipFilesSymlink;
std::vector<zipFileEntry> vZipFilesSplit;
// Determine if installer contains split files and get list of base file paths
std::vector<std::string> vSplitFileBasePaths;
for (const auto& zfe : zipFileEntries)
{
std::string noarch = "data/noarch/";
std::string split_files = noarch + "support/split_files";
if (zfe.filepath.find(split_files) != std::string::npos)
{
std::cout << "Getting info about split files" << std::endl;
std::string url = zfe.installer_url;
std::string dlrange = std::to_string(zfe.start_offset_mojosetup) + "-" + std::to_string(zfe.end_offset);
curl_easy_setopt(curlhandle, CURLOPT_URL, url.c_str());
std::stringstream splitfiles_compressed;
std::stringstream splitfiles_uncompressed;
CURLcode result = CURLE_RECV_ERROR;
curl_easy_setopt(curlhandle, CURLOPT_WRITEFUNCTION, writeMemoryCallback);
curl_easy_setopt(curlhandle, CURLOPT_WRITEDATA, &splitfiles_compressed);
curl_easy_setopt(curlhandle, CURLOPT_RANGE, dlrange.c_str());
result = curl_easy_perform(curlhandle);
curl_easy_setopt(curlhandle, CURLOPT_RANGE, NULL);
if (result == CURLE_OK)
{
if (ZipUtil::extractStream(&splitfiles_compressed, &splitfiles_uncompressed) == 0)
{
std::string path;
while (std::getline(splitfiles_uncompressed, path))
{
// Replace the leading "./" in base file path with install path
Util::replaceString(path, "./", install_path);
while (Util::replaceString(path, "//", "/")); // Replace any double slashes with single slash
vSplitFileBasePaths.push_back(path);
}
}
}
}
}
bool bContainsSplitFiles = !vSplitFileBasePaths.empty();
for (std::uintmax_t i = 0; i < zipFileEntries.size(); ++i)
{
// Ignore all files and directories that are not in "data/noarch/" directory
@ -4211,14 +4254,37 @@ void Downloader::galaxyInstallGame_MojoSetupHack(const std::string& product_id)
else
{
// Check for split files
boost::regex expression("^(.*)(\\.split\\d+)$");
boost::match_results<std::string::const_iterator> what;
if (boost::regex_search(zfe.filepath, what, expression))
if (bContainsSplitFiles)
{
zfe.isSplitFile = true;
zfe.splitFileBasePath = what[1];
zfe.splitFilePartExt = what[2];
vZipFilesSplit.push_back(zfe);
boost::regex expression("^(.*)(\\.split\\d+)$");
boost::match_results<std::string::const_iterator> what;
if (boost::regex_search(zfe.filepath, what, expression))
{
std::string basePath = what[1];
std::string partExt = what[2];
// Check against list of base file paths read from "data/noarch/support/split_files"
if (
std::any_of(
vSplitFileBasePaths.begin(),
vSplitFileBasePaths.end(),
[basePath](const std::string& path)
{
return path == basePath;
}
)
)
{
zfe.isSplitFile = true;
zfe.splitFileBasePath = basePath;
zfe.splitFilePartExt = partExt;
}
}
if (zfe.isSplitFile)
vZipFilesSplit.push_back(zfe);
else
vZipFiles.push_back(zfe);
}
else
{