forked from dolphin-emu/dolphin
118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <string>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Common/FileUtil.h"
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#include "Common/Logging/Log.h"
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#include "Common/NandPaths.h"
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#include "Common/StringUtil.h"
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#include "Common/Swap.h"
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namespace Common
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{
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std::string RootUserPath(FromWhichRoot from)
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{
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int idx = from == FROM_CONFIGURED_ROOT ? D_WIIROOT_IDX : D_SESSION_WIIROOT_IDX;
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return File::GetUserPath(idx);
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}
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std::string GetImportTitlePath(u64 title_id, FromWhichRoot from)
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{
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return RootUserPath(from) + StringFromFormat("/import/%08x/%08x",
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static_cast<u32>(title_id >> 32),
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static_cast<u32>(title_id));
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}
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std::string GetTicketFileName(u64 _titleID, FromWhichRoot from)
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{
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return StringFromFormat("%s/ticket/%08x/%08x.tik", RootUserPath(from).c_str(),
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(u32)(_titleID >> 32), (u32)_titleID);
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}
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std::string GetTitlePath(u64 title_id, FromWhichRoot from)
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{
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return StringFromFormat("%s/title/%08x/%08x/", RootUserPath(from).c_str(),
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static_cast<u32>(title_id >> 32), static_cast<u32>(title_id));
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}
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std::string GetTitleDataPath(u64 _titleID, FromWhichRoot from)
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{
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return GetTitlePath(_titleID, from) + "data/";
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}
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std::string GetTitleContentPath(u64 _titleID, FromWhichRoot from)
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{
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return GetTitlePath(_titleID, from) + "content/";
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}
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std::string GetTMDFileName(u64 _titleID, FromWhichRoot from)
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{
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return GetTitleContentPath(_titleID, from) + "title.tmd";
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}
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std::string EscapeFileName(const std::string& filename)
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{
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// Prevent paths from containing special names like ., .., ..., ...., and so on
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if (std::all_of(filename.begin(), filename.end(), [](char c) { return c == '.'; }))
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return ReplaceAll(filename, ".", "__2e__");
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// Escape all double underscores since we will use double underscores for our escape sequences
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std::string filename_with_escaped_double_underscores = ReplaceAll(filename, "__", "__5f____5f__");
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// Escape all other characters that need to be escaped
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static const std::unordered_set<char> chars_to_replace = {'\"', '*', '/', ':', '<',
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'>', '?', '\\', '|', '\x7f'};
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std::string result;
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result.reserve(filename_with_escaped_double_underscores.size());
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for (char c : filename_with_escaped_double_underscores)
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{
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if ((c >= 0 && c <= 0x1F) || chars_to_replace.find(c) != chars_to_replace.end())
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result.append(StringFromFormat("__%02x__", c));
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else
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result.push_back(c);
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}
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return result;
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}
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std::string EscapePath(const std::string& path)
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{
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std::vector<std::string> split_strings;
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SplitString(path, '/', split_strings);
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std::vector<std::string> escaped_split_strings;
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escaped_split_strings.reserve(split_strings.size());
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for (const std::string& split_string : split_strings)
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escaped_split_strings.push_back(EscapeFileName(split_string));
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return JoinStrings(escaped_split_strings, "/");
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}
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std::string UnescapeFileName(const std::string& filename)
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{
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std::string result = filename;
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size_t pos = 0;
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// Replace escape sequences of the format "__3f__" with the ASCII
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// character defined by the escape sequence's two hex digits.
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while ((pos = result.find("__", pos)) != std::string::npos)
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{
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u32 character;
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if (pos + 6 <= result.size() && result[pos + 4] == '_' && result[pos + 5] == '_')
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if (AsciiToHex(result.substr(pos + 2, 2), character))
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result.replace(pos, 6, {static_cast<char>(character)});
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++pos;
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}
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return result;
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}
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}
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