diff options
Diffstat (limited to 'primedev/mods/autodownload')
| -rw-r--r-- | primedev/mods/autodownload/moddownloader.cpp | 131 |
1 files changed, 68 insertions, 63 deletions
diff --git a/primedev/mods/autodownload/moddownloader.cpp b/primedev/mods/autodownload/moddownloader.cpp index 165399e3..80be8d19 100644 --- a/primedev/mods/autodownload/moddownloader.cpp +++ b/primedev/mods/autodownload/moddownloader.cpp @@ -1,4 +1,5 @@ #include "moddownloader.h" +#include "util/utils.h" #include <rapidjson/fwd.h> #include <mz_strm_mem.h> #include <mz.h> @@ -74,6 +75,7 @@ void ModDownloader::FetchModsListFromAPI() curl_easy_setopt(easyhandle, CURLOPT_WRITEDATA, &readBuffer); curl_easy_setopt(easyhandle, CURLOPT_WRITEFUNCTION, WriteToString); result = curl_easy_perform(easyhandle); + ScopeGuard cleanup([&] { curl_easy_cleanup(easyhandle); }); if (result == CURLcode::CURLE_OK) { @@ -82,7 +84,7 @@ void ModDownloader::FetchModsListFromAPI() else { spdlog::error("Fetching mods list failed: {}", curl_easy_strerror(result)); - goto REQUEST_END_CLEANUP; + return; } // Load mods list into local state @@ -110,9 +112,6 @@ void ModDownloader::FetchModsListFromAPI() } spdlog::info("Done loading verified mods list."); - - REQUEST_END_CLEANUP: - curl_easy_cleanup(easyhandle); }); requestThread.detach(); } @@ -170,23 +169,23 @@ std::optional<fs::path> ModDownloader::FetchModFromDistantStore(std::string_view curl_easy_setopt(easyhandle, CURLOPT_XFERINFOFUNCTION, ModDownloader::ModFetchingProgressCallback); curl_easy_setopt(easyhandle, CURLOPT_XFERINFODATA, this); result = curl_easy_perform(easyhandle); + ScopeGuard cleanup( + [&] + { + curl_easy_cleanup(easyhandle); + fclose(fp); + }); if (result == CURLcode::CURLE_OK) { spdlog::info("Mod archive successfully fetched."); - goto REQUEST_END_CLEANUP; + return std::optional<fs::path>(downloadPath); } else { spdlog::error("Fetching mod archive failed: {}", curl_easy_strerror(result)); - failed = true; - goto REQUEST_END_CLEANUP; + return std::optional<fs::path>(); } - -REQUEST_END_CLEANUP: - curl_easy_cleanup(easyhandle); - fclose(fp); - return failed ? std::optional<fs::path>() : std::optional<fs::path>(downloadPath); } bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecksum) @@ -212,6 +211,22 @@ bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecks std::vector<char> buffer(bufferSize, '\0'); std::ifstream fp(modPath.generic_string(), std::ios::binary); + ScopeGuard cleanup( + [&] + { + if (NULL != hashHandle) + { + BCryptDestroyHash(hashHandle); // Handle to hash/MAC object which needs to be destroyed + } + + if (NULL != algorithmHandle) + { + BCryptCloseAlgorithmProvider( + algorithmHandle, // Handle to the algorithm provider which needs to be closed + 0); // Flags + } + }); + // Open an algorithm handle // This sample passes BCRYPT_HASH_REUSABLE_FLAG with BCryptAlgorithmProvider(...) to load a provider which supports reusable hash status = BCryptOpenAlgorithmProvider( @@ -222,7 +237,7 @@ bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecks if (!NT_SUCCESS(status)) { modState.state = MOD_CORRUPTED; - goto cleanup; + return false; } // Obtain the length of the hash @@ -235,7 +250,6 @@ bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecks 0); // Flags if (!NT_SUCCESS(status)) { - // goto cleanup; modState.state = MOD_CORRUPTED; return false; } @@ -252,7 +266,7 @@ bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecks if (!NT_SUCCESS(status)) { modState.state = MOD_CORRUPTED; - goto cleanup; + return false; } // Hash archive content @@ -273,7 +287,7 @@ bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecks if (!NT_SUCCESS(status)) { modState.state = MOD_CORRUPTED; - goto cleanup; + return false; } } } @@ -289,7 +303,7 @@ bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecks if (!NT_SUCCESS(status)) { modState.state = MOD_CORRUPTED; - goto cleanup; + return false; } // Convert hash to string using bytes raw values @@ -302,21 +316,6 @@ bool ModDownloader::IsModLegit(fs::path modPath, std::string_view expectedChecks spdlog::info("Expected checksum: {}", expectedChecksum.data()); spdlog::info("Computed checksum: {}", ss.str()); return expectedChecksum.compare(ss.str()) == 0; - -cleanup: - if (NULL != hashHandle) - { - BCryptDestroyHash(hashHandle); // Handle to hash/MAC object which needs to be destroyed - } - - if (NULL != algorithmHandle) - { - BCryptCloseAlgorithmProvider( - algorithmHandle, // Handle to the algorithm provider which needs to be closed - 0); // Flags - } - - return false; } bool ModDownloader::IsModAuthorized(std::string_view modName, std::string_view modVersion) @@ -367,11 +366,20 @@ void ModDownloader::ExtractMod(fs::path modPath) fs::path modDirectory; file = unzOpen(modPath.generic_string().c_str()); + ScopeGuard cleanup( + [&] + { + if (unzClose(file) != MZ_OK) + { + spdlog::error("Failed closing mod archive after extraction."); + } + }); + if (file == NULL) { spdlog::error("Cannot open archive located at {}.", modPath.generic_string()); modState.state = FAILED_READING_ARCHIVE; - goto EXTRACTION_CLEANUP; + return; } unz_global_info64 gi; @@ -381,7 +389,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("Failed getting information from archive (error code: {})", status); modState.state = FAILED_READING_ARCHIVE; - goto EXTRACTION_CLEANUP; + return; } // Update state @@ -414,7 +422,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("Parent directory ({}) creation failed.", fileDestination.parent_path().generic_string()); modState.state = FAILED_WRITING_TO_DISK; - goto EXTRACTION_CLEANUP; + return; } } @@ -426,7 +434,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("Directory creation failed: {}", ec.message()); modState.state = FAILED_WRITING_TO_DISK; - goto EXTRACTION_CLEANUP; + return; } } // ...else create file @@ -437,7 +445,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("File \"{}\" was not found in archive.", zipFilename); modState.state = FAILED_READING_ARCHIVE; - goto EXTRACTION_CLEANUP; + return; } // Create file @@ -452,7 +460,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("Could not open file {} from archive.", zipFilename); modState.state = FAILED_READING_ARCHIVE; - goto EXTRACTION_CLEANUP; + return; } // Create destination file @@ -461,7 +469,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("Failed creating destination file."); modState.state = FAILED_WRITING_TO_DISK; - goto EXTRACTION_CLEANUP; + return; } // Allocate memory for buffer @@ -470,7 +478,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("Error while allocating memory."); modState.state = FAILED_WRITING_TO_DISK; - goto EXTRACTION_CLEANUP; + return; } // Extract file to destination @@ -501,7 +509,7 @@ void ModDownloader::ExtractMod(fs::path modPath) { spdlog::error("An error occurred during file extraction (code: {})", err); modState.state = FAILED_WRITING_TO_DISK; - goto EXTRACTION_CLEANUP; + return; } err = unzCloseCurrentFile(file); if (err != UNZ_OK) @@ -522,16 +530,10 @@ void ModDownloader::ExtractMod(fs::path modPath) if (status != UNZ_OK) { spdlog::error("Error while browsing archive files (error code: {}).", status); - goto EXTRACTION_CLEANUP; + return; } } } - -EXTRACTION_CLEANUP: - if (unzClose(file) != MZ_OK) - { - spdlog::error("Failed closing mod archive after extraction."); - } } void ModDownloader::DownloadMod(std::string modName, std::string modVersion) @@ -548,6 +550,22 @@ void ModDownloader::DownloadMod(std::string modName, std::string modVersion) { fs::path archiveLocation; + ScopeGuard cleanup( + [&] + { + try + { + remove(archiveLocation); + } + catch (const std::exception& a) + { + spdlog::error("Error while removing downloaded archive: {}", a.what()); + } + + modState.state = DONE; + spdlog::info("Done downloading {}.", modName); + }); + // Download mod archive std::string expectedHash = verifiedMods[modName].versions[modVersion].checksum; std::optional<fs::path> fetchingResult = FetchModFromDistantStore(std::string_view(modName), std::string_view(modVersion)); @@ -555,31 +573,18 @@ void ModDownloader::DownloadMod(std::string modName, std::string modVersion) { spdlog::error("Something went wrong while fetching archive, aborting."); modState.state = MOD_FETCHING_FAILED; - goto REQUEST_END_CLEANUP; + return; } archiveLocation = fetchingResult.value(); if (!IsModLegit(archiveLocation, std::string_view(expectedHash))) { spdlog::warn("Archive hash does not match expected checksum, aborting."); modState.state = MOD_CORRUPTED; - goto REQUEST_END_CLEANUP; + return; } // Extract downloaded mod archive ExtractMod(archiveLocation); - - REQUEST_END_CLEANUP: - try - { - remove(archiveLocation); - } - catch (const std::exception& a) - { - spdlog::error("Error while removing downloaded archive: {}", a.what()); - } - - modState.state = DONE; - spdlog::info("Done downloading {}.", modName); }); requestThread.detach(); |