686 lines
18 KiB
C++
686 lines
18 KiB
C++
/* Copyright (C) 2019 Mr Goldberg
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This file is part of the Goldberg Emulator
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The Goldberg Emulator is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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The Goldberg Emulator is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the Goldberg Emulator; if not, see
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<http://www.gnu.org/licenses/>. */
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#include "local_storage.h"
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#include <fstream>
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struct File_Data {
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std::string name;
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};
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#ifdef NO_DISK_WRITES
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std::string Local_Storage::get_program_path()
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{
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return " ";
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}
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std::string Local_Storage::get_user_appdata_path()
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{
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return " ";
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}
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std::string Local_Storage::get_game_settings_path()
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{
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return " ";
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}
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std::string Local_Storage::get_path(std::string folder)
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{
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return "";
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}
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std::string Local_Storage::get_global_settings_path()
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{
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return "";
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}
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Local_Storage::Local_Storage(std::string save_directory)
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{
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}
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void Local_Storage::setAppId(uint32 appid)
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{
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}
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int Local_Storage::store_file_data(std::string folder, std::string file, char *data, unsigned int length)
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{
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return -1;
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}
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int Local_Storage::store_data(std::string folder, std::string file, char *data, unsigned int length)
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{
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return -1;
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}
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int Local_Storage::store_data_settings(std::string file, char *data, unsigned int length)
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{
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return -1;
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}
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int Local_Storage::get_file_data(std::string full_path, char *data, unsigned int max_length)
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{
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return -1;
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}
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int Local_Storage::get_data(std::string folder, std::string file, char *data, unsigned int max_length)
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{
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return -1;
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}
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int Local_Storage::get_data_settings(std::string file, char *data, unsigned int max_length)
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{
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return 0;
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}
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int Local_Storage::count_files(std::string folder)
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{
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return 0;
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}
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bool Local_Storage::file_exists(std::string folder, std::string file)
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{
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return false;
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}
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unsigned int Local_Storage::file_size(std::string folder, std::string file)
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{
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return 0;
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}
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bool Local_Storage::file_delete(std::string folder, std::string file)
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{
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return false;
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}
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uint64_t Local_Storage::file_timestamp(std::string folder, std::string file)
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{
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return 0;
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}
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bool Local_Storage::iterate_file(std::string folder, int index, char *output_filename, int32 *output_size)
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{
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return false;
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}
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bool Local_Storage::update_save_filenames(std::string folder)
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{
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return true;
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}
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std::vector<std::string> Local_Storage::get_filenames_path(std::string path)
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{
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return std::vector<std::string>();
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}
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#else
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#if defined(WIN32) || defined(_WIN32)
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#include <windows.h>
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static BOOL DirectoryExists(LPCSTR szPath)
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{
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DWORD dwAttrib = GetFileAttributesA(szPath);
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return (dwAttrib != INVALID_FILE_ATTRIBUTES &&
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(dwAttrib & FILE_ATTRIBUTE_DIRECTORY));
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}
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static void createDirectoryRecursively(std::string path)
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{
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unsigned long long pos = 0;
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do
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{
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pos = path.find_first_of("\\/", pos + 1);
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CreateDirectoryA(path.substr(0, pos).c_str(), NULL);
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} while (pos != std::string::npos);
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}
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static void create_directory(std::string strPath)
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{
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if (DirectoryExists(strPath.c_str()) == FALSE)
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createDirectoryRecursively(strPath);
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}
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <string.h>
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static std::vector<struct File_Data> get_filenames(std::string strPath)
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{
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std::vector<struct File_Data> output;
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strPath = strPath.append("\\*");
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WIN32_FIND_DATAA ffd;
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HANDLE hFind = INVALID_HANDLE_VALUE;
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// Start iterating over the files in the path directory.
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hFind = ::FindFirstFileA (strPath.c_str(), &ffd);
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if (hFind != INVALID_HANDLE_VALUE)
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{
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do // Managed to locate and create an handle to that folder.
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{
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if (strcmp(".", ffd.cFileName) == 0) continue;
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if (strcmp("..", ffd.cFileName) == 0) continue;
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struct File_Data f_data;
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f_data.name = ffd.cFileName;
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output.push_back(f_data);
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} while (::FindNextFileA(hFind, &ffd) == TRUE);
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::FindClose(hFind);
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} else {
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//printf("Failed to find path: %s", strPath.c_str());
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}
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return output;
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}
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static std::vector<struct File_Data> get_filenames_recursive(std::string base_path)
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{
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if (base_path.back() == *PATH_SEPARATOR)
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base_path.pop_back();
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std::vector<struct File_Data> output;
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std::string strPath = base_path;
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strPath = strPath.append("\\*");
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WIN32_FIND_DATAA ffd;
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HANDLE hFind = INVALID_HANDLE_VALUE;
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// Start iterating over the files in the path directory.
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hFind = ::FindFirstFileA (strPath.c_str(), &ffd);
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if (hFind != INVALID_HANDLE_VALUE)
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{
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do // Managed to locate and create an handle to that folder.
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{
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if (strcmp(".", ffd.cFileName) == 0) continue;
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if (strcmp("..", ffd.cFileName) == 0) continue;
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if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
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// Construct new path from our base path
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std::string dir_name = ffd.cFileName;
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std::string path = base_path;
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path += PATH_SEPARATOR;
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path += dir_name;
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std::vector<struct File_Data> lower = get_filenames_recursive(path);
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output.push_back(File_Data{ dir_name });// Is this needed ? Add folder name to the list of files ?
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std::transform(lower.begin(), lower.end(), std::back_inserter(output), [&dir_name](File_Data f) {f.name = dir_name + "\\" + f.name; return f;});
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} else {
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File_Data f;
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f.name = ffd.cFileName;
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output.push_back(f);
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}
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} while (::FindNextFileA(hFind, &ffd) == TRUE);
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::FindClose(hFind);
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} else {
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//printf("Failed to find path: %s", strPath.c_str());
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}
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return output;
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}
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#else
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <string.h>
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#include <dirent.h>
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#define PATH_MAX_STRING_SIZE 512
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/* recursive mkdir */
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static int mkdir_p(const char *dir, const mode_t mode) {
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char tmp[PATH_MAX_STRING_SIZE];
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char *p = NULL;
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struct stat sb;
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size_t len;
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/* copy path */
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len = strnlen (dir, PATH_MAX_STRING_SIZE);
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if (len == 0 || len == PATH_MAX_STRING_SIZE) {
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return -1;
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}
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memcpy (tmp, dir, len);
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tmp[len] = '\0';
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/* remove trailing slash */
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if(tmp[len - 1] == '/') {
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tmp[len - 1] = '\0';
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}
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/* check if path exists and is a directory */
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if (stat (tmp, &sb) == 0) {
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if (S_ISDIR (sb.st_mode)) {
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return 0;
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}
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}
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/* recursive mkdir */
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for(p = tmp + 1; *p; p++) {
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if(*p == '/') {
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*p = 0;
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/* test path */
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if (stat(tmp, &sb) != 0) {
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/* path does not exist - create directory */
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if (mkdir(tmp, mode) < 0) {
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return -1;
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}
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} else if (!S_ISDIR(sb.st_mode)) {
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/* not a directory */
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return -1;
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}
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*p = '/';
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}
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}
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/* test path */
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if (stat(tmp, &sb) != 0) {
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/* path does not exist - create directory */
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if (mkdir(tmp, mode) < 0) {
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return -1;
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}
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} else if (!S_ISDIR(sb.st_mode)) {
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/* not a directory */
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return -1;
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}
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return 0;
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}
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static void create_directory(std::string strPath)
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{
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mkdir_p(strPath.c_str(), 0777);
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}
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static std::vector<struct File_Data> get_filenames(std::string strPath)
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{
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DIR *dp;
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int i = 0;
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struct dirent *ep;
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std::vector<struct File_Data> output;
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dp = opendir (strPath.c_str());
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if (dp != NULL)
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{
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while ((ep = readdir (dp))) {
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if (memcmp(ep->d_name, ".", 2) != 0 && memcmp(ep->d_name, "..", 3) != 0) {
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struct File_Data f_data;
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f_data.name = ep->d_name;
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output.push_back(f_data);
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i++;
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}
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}
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(void) closedir (dp);
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}
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return output;
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}
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static std::vector<struct File_Data> get_filenames_recursive(std::string base_path)
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{
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std::vector<struct File_Data> output;
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std::string path;
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struct dirent *dp;
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DIR *dir = opendir(base_path.c_str());
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// Unable to open directory stream
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if (!dir)
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return output;
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while ((dp = readdir(dir)) != NULL)
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{
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if (strcmp(dp->d_name, ".") != 0 && strcmp(dp->d_name, "..") != 0)
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{
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if (dp->d_type == DT_REG) {
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File_Data f;
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f.name = dp->d_name;
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output.push_back(f);
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} else if (dp->d_type == DT_DIR) {
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// Construct new path from our base path
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std::string dir_name = dp->d_name;
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path = base_path;
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path += "/";
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path += dir_name;
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std::vector<struct File_Data> lower = get_filenames_recursive(path);
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std::transform(lower.begin(), lower.end(), std::back_inserter(output), [&dir_name](File_Data f) {f.name = dir_name + "/" + f.name; return f;});
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}
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}
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}
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closedir(dir);
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return output;
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}
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#endif
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std::string Local_Storage::get_program_path()
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{
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return get_full_program_path();
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}
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std::string Local_Storage::get_game_settings_path()
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{
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return get_program_path().append(GAME_SETTINGS_FOLDER).append(PATH_SEPARATOR);
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}
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#if defined(STEAM_WIN32)
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#include <shlobj.h>
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#include <sstream>
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#endif
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std::string Local_Storage::get_user_appdata_path()
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{
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std::string user_appdata_path = "SAVE";
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#if defined(STEAM_WIN32)
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CHAR szPath[MAX_PATH] = {};
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HRESULT hr = SHGetFolderPathA(NULL, CSIDL_APPDATA, NULL, 0, szPath);
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if (SUCCEEDED(hr)) {
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user_appdata_path = szPath;
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}
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#else
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/* $XDG_DATA_HOME defines the base directory relative to which user specific data files should be stored.
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If $XDG_DATA_HOME is either not set or empty, a default equal to $HOME/.local/share should be used. */
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char *datadir = getenv("XDG_DATA_HOME");
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if (datadir) {
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user_appdata_path = datadir;
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} else {
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char *homedir = getenv("HOME");
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if (homedir) {
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user_appdata_path = std::string(homedir) + "/.local/share";
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}
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}
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#endif
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return user_appdata_path.append(PATH_SEPARATOR).append(PROGRAM_NAME).append(" Saves");
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}
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static std::string replace_with(std::string s, std::string const &old, const char *new_str)
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{
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int pos;
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while ((pos = s.find(old)) != std::string::npos)
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s.replace(pos, old.length(), new_str);
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return s;
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}
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static std::string sanitize_file_name(std::string name)
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{
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//I'm not sure all of these are necessary but just to be sure
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if (name[0] == '.' && name.size() > 2 && (name[1] == '\\' || name[1] == '/')) name.erase(0, 2);
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#if defined(STEAM_WIN32)
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name = replace_with(name, "/", PATH_SEPARATOR);
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#else
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//On linux does using "\\" in a remote storage file name create a directory?
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//I didn't test but I'm going to say yes
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name = replace_with(name, "\\", PATH_SEPARATOR);
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#endif
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name = replace_with(name, "|", ".V_SLASH.");
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name = replace_with(name, ":", ".COLON.");
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name = replace_with(name, "*", ".ASTERISK.");
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name = replace_with(name, "\"", ".QUOTE.");
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name = replace_with(name, "?", ".Q_MARK.");
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return name;
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}
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static std::string desanitize_file_name(std::string name)
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{
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//I'm not sure all of these are necessary but just to be sure
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name = replace_with(name, ".SLASH.", "/");
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name = replace_with(name, ".B_SLASH.", "\\");
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name = replace_with(name, ".F_SLASH.", "/");
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name = replace_with(name, ".V_SLASH.", "|");
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name = replace_with(name, ".COLON.", ":");
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name = replace_with(name, ".ASTERISK.", "*");
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name = replace_with(name, ".QUOTE.", "\"");
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name = replace_with(name, ".Q_MARK.", "?");
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return name;
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}
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Local_Storage::Local_Storage(std::string save_directory)
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{
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this->save_directory = save_directory;
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if (this->save_directory.back() != *PATH_SEPARATOR) {
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this->save_directory.append(PATH_SEPARATOR);
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}
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}
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void Local_Storage::setAppId(uint32 appid)
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{
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this->appid = std::to_string(appid) + PATH_SEPARATOR;
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}
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int Local_Storage::store_file_data(std::string folder, std::string file, char *data, unsigned int length)
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{
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if (folder.back() != *PATH_SEPARATOR) {
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folder.append(PATH_SEPARATOR);
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}
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file = sanitize_file_name(file);
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std::string::size_type pos = file.rfind(PATH_SEPARATOR);
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std::string file_folder;
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if (pos == 0 || pos == std::string::npos) {
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file_folder = "";
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} else {
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file_folder = file.substr(0,pos);
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}
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create_directory(folder + file_folder);
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std::ofstream myfile;
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myfile.open(folder + file, std::ios::binary | std::ios::out);
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if (!myfile.is_open()) return -1;
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myfile.write(data, length);
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int position = myfile.tellp();
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myfile.close();
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return position;
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}
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std::string Local_Storage::get_path(std::string folder)
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{
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std::string path = save_directory + appid + folder;
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create_directory(path);
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return path;
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}
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std::string Local_Storage::get_global_settings_path()
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{
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return save_directory + SETTINGS_STORAGE_FOLDER + PATH_SEPARATOR;
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}
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std::vector<std::string> Local_Storage::get_filenames_path(std::string path)
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{
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if (path.back() != *PATH_SEPARATOR) {
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path.append(PATH_SEPARATOR);
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}
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std::vector<struct File_Data> filenames = get_filenames(path);
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std::vector<std::string> output;
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std::transform(filenames.begin(), filenames.end(), std::back_inserter(output), [](struct File_Data d) { return d.name;});
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return output;
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}
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int Local_Storage::store_data(std::string folder, std::string file, char *data, unsigned int length)
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{
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if (folder.back() != *PATH_SEPARATOR) {
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folder.append(PATH_SEPARATOR);
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}
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return store_file_data(save_directory + appid + folder, file, data, length);
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}
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int Local_Storage::store_data_settings(std::string file, char *data, unsigned int length)
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{
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return store_file_data(get_global_settings_path(), file, data, length);
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}
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int Local_Storage::get_file_data(std::string full_path, char *data, unsigned int max_length)
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{
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std::ifstream myfile;
|
|
myfile.open(full_path, std::ios::binary | std::ios::in);
|
|
if (!myfile.is_open()) return -1;
|
|
|
|
std::streampos size = myfile.tellg();
|
|
myfile.seekg (0, std::ios::beg);
|
|
if (size > max_length) max_length = size;
|
|
|
|
myfile.read (data, max_length);
|
|
myfile.close();
|
|
return myfile.gcount();
|
|
}
|
|
|
|
int Local_Storage::get_data(std::string folder, std::string file, char *data, unsigned int max_length)
|
|
{
|
|
file = sanitize_file_name(file);
|
|
if (folder.back() != *PATH_SEPARATOR) {
|
|
folder.append(PATH_SEPARATOR);
|
|
}
|
|
|
|
std::string full_path = save_directory + appid + folder + file;
|
|
return get_file_data(full_path, data, max_length);
|
|
}
|
|
|
|
int Local_Storage::get_data_settings(std::string file, char *data, unsigned int max_length)
|
|
{
|
|
file = sanitize_file_name(file);
|
|
std::string full_path = get_global_settings_path() + file;
|
|
return get_file_data(full_path, data, max_length);
|
|
}
|
|
|
|
int Local_Storage::count_files(std::string folder)
|
|
{
|
|
if (folder.back() != *PATH_SEPARATOR) {
|
|
folder.append(PATH_SEPARATOR);
|
|
}
|
|
|
|
return get_filenames_recursive(save_directory + appid + folder).size();
|
|
}
|
|
|
|
bool Local_Storage::file_exists(std::string folder, std::string file)
|
|
{
|
|
file = sanitize_file_name(file);
|
|
if (folder.back() != *PATH_SEPARATOR) {
|
|
folder.append(PATH_SEPARATOR);
|
|
}
|
|
|
|
std::string full_path = save_directory + appid + folder + file;
|
|
struct stat buffer;
|
|
|
|
if (stat(full_path.c_str(), &buffer) != 0)
|
|
return false;
|
|
|
|
#if defined(STEAM_WIN32)
|
|
if ( buffer.st_mode & _S_IFDIR)
|
|
return false;
|
|
#else
|
|
if (S_ISDIR(buffer.st_mode))
|
|
return false;
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
unsigned int Local_Storage::file_size(std::string folder, std::string file)
|
|
{
|
|
file = sanitize_file_name(file);
|
|
if (folder.back() != *PATH_SEPARATOR) {
|
|
folder.append(PATH_SEPARATOR);
|
|
}
|
|
|
|
std::string full_path = save_directory + appid + folder + file;
|
|
struct stat buffer = {};
|
|
if (stat (full_path.c_str(), &buffer) != 0) return 0;
|
|
return buffer.st_size;
|
|
}
|
|
|
|
bool Local_Storage::file_delete(std::string folder, std::string file)
|
|
{
|
|
file = sanitize_file_name(file);
|
|
if (folder.back() != *PATH_SEPARATOR) {
|
|
folder.append(PATH_SEPARATOR);
|
|
}
|
|
|
|
std::string full_path = save_directory + appid + folder + file;
|
|
return remove(full_path.c_str()) == 0;
|
|
}
|
|
|
|
uint64_t Local_Storage::file_timestamp(std::string folder, std::string file)
|
|
{
|
|
file = sanitize_file_name(file);
|
|
if (folder.back() != *PATH_SEPARATOR) {
|
|
folder.append(PATH_SEPARATOR);
|
|
}
|
|
|
|
std::string full_path = save_directory + appid + folder + file;
|
|
struct stat buffer = {};
|
|
if (stat (full_path.c_str(), &buffer) != 0) return 0;
|
|
return buffer.st_mtime;
|
|
}
|
|
|
|
bool Local_Storage::iterate_file(std::string folder, int index, char *output_filename, int32 *output_size)
|
|
{
|
|
if (folder.back() != *PATH_SEPARATOR) {
|
|
folder.append(PATH_SEPARATOR);
|
|
}
|
|
|
|
std::vector<struct File_Data> files = get_filenames_recursive(save_directory + appid + folder);
|
|
if (index < 0 || index >= files.size()) return false;
|
|
|
|
std::string name = desanitize_file_name(files[index].name);
|
|
if (output_size) *output_size = file_size(folder, name);
|
|
#if defined(STEAM_WIN32)
|
|
name = replace_with(name, PATH_SEPARATOR, "/");
|
|
#endif
|
|
strcpy(output_filename, name.c_str());
|
|
return true;
|
|
}
|
|
|
|
bool Local_Storage::update_save_filenames(std::string folder)
|
|
{
|
|
std::vector<struct File_Data> files = get_filenames_recursive(save_directory + appid + folder);
|
|
|
|
for (auto &f : files) {
|
|
std::string path = f.name;
|
|
PRINT_DEBUG("Local_Storage:: remote file %s\n", path.c_str());
|
|
std::string to = sanitize_file_name(desanitize_file_name(path));
|
|
if (path != to && !file_exists(folder, to)) {
|
|
//create the folder
|
|
store_data(folder, to, (char *)"", 0);
|
|
file_delete(folder, to);
|
|
|
|
std::string from = (save_directory + appid + folder + PATH_SEPARATOR + path);
|
|
to = (save_directory + appid + folder + PATH_SEPARATOR + to);
|
|
PRINT_DEBUG("Local_Storage::update_save_filenames renaming %s to %s\n", from.c_str(), to.c_str());
|
|
if (std::rename(from.c_str(), to.c_str()) < 0) {
|
|
PRINT_DEBUG("ERROR RENAMING\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#endif
|