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deaf349d15
...
ee37f2bd3f
@ -1,6 +1,6 @@
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cmake_minimum_required(VERSION 3.10)
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project(kgg-dec VERSION 0.5 LANGUAGES CXX)
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project(kgg-dec VERSION 0.4 LANGUAGES CXX)
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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@ -14,7 +14,6 @@ add_executable(kgg-dec
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src/qmc2/qmc2_factory.cpp
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src/qmc2/qmc2_map.cpp
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src/qmc2/qmc2_rc4.cpp
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src/utils/cli.cpp
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)
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target_include_directories(kgg-dec
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1
Jenkinsfile
vendored
1
Jenkinsfile
vendored
@ -23,7 +23,6 @@ pipeline {
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cmake --build --preset vs-release --config Release
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copy /y README.MD .\\build\\vs2022\\Release\\
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copy /y Usage*.txt .\\build\\vs2022\\Release\\
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copy /y LICENSE .\\build\\vs2022\\Release\\
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'''
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}
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}
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21
LICENSE
21
LICENSE
@ -1,21 +0,0 @@
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MIT License
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Copyright (c) 2024 LSR
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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||||
copies of the Software, and to permit persons to whom the Software is
|
||||
furnished to do so, subject to the following conditions:
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||||
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||||
The above copyright notice and this permission notice shall be included in all
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||||
copies or substantial portions of the Software.
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||||
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||||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
SOFTWARE.
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@ -23,10 +23,8 @@ copy /y README.MD .\\build\\vs2022\\
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### CLI Options
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* `--infra-dll` (Optional): Specify the path to `infra.dll`. Defaults to `infra.dll`.
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* `--scan-all-file-ext` (Optional, `0` or `1`): Whether to scan all file extensions. Defaults to `0` to scan only `kgg`
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files.
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* `--db`: Specify the path to `KGMusicV3.db`, defaults to `%AppData%/Kugou8/KGMusicV3.db`.
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* `--suffix`: Specify the suffix of the output file, defaults to `_kgg-dec`.
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* `[--infra-dll </path/to/infra.dll>]`: Specify the path to `infra.dll`, defaults to `infra.dll`.
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* `[--scan-all-file-ext <0|1>]`: Whether to scan all file extensions, defaults to `0` to scan only `kgg` files.
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* `[--db </path/to/KGMusicV3.db>]`: Specify the path to `KGMusicV3.db`, defaults to `%AppData%/Kugou8/KGMusicV3.db`.
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After specifying the parameters, you can specify any number of files or directories.
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20
Usage.zh.txt
20
Usage.zh.txt
@ -1,15 +1,11 @@
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# KGG 解密工具 by LSR
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项目地址：https://git.unlock-music.dev/um/kgg-dec
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项目协议：MIT License
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注意事项：分发时请附上 `LICENSE` 开源协议文档。
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使用方法 (命令行)：
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1. 从酷狗安装目录拷贝 `infra.dll` 文件到 `kgg-dec.exe` 的目录。
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2. 启动 `kgg-dec.exe`，其中第一个参数为含有 `*.kgg` 文件的目录。
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3. 你也可以使用 `--` 来将参数后的 `-` 开头的参数视为输入文件或目录。
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4. 你可以指定多项输入文件或目录。
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或者：
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@ -18,21 +14,13 @@
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其它参数：
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* `--infra-dll` (可选): 指定 `infra.dll` 的路径，默认为 `infra.dll`。
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* `--scan-all-file-ext` (可选，`0` 或 `1`): 是否扫描所有文件后缀名。默认为 `0`，只扫描 `kgg` 文件。
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* `--db` (可选): 指定 `KGMusicV3.db` 的路径。默认为 `%AppData%/Kugou8/KGMusicV3.db`。
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* `--suffix` (可选): 指定解密后文件的后缀。默认为 `_kgg-dec`。
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示例：
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* `kgg-dec.exe "D:\Music"`: 解密 `D:\Music` 目录下的所有 `*.kgg` 文件。
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* `kgg-dec.exe "D:\Music" "D:\Music\1.kgg" "D:\Music\2.kgg"`: 解密 `D:\Music` 目录下的所有 `*.kgg` 文件，以及 `1.kgg` 和 `2.kgg`。
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* `kgg-dec.exe "D:\Music" --scan-all-file-ext 1`: 尝试将 `D:\Music` 目录下的所有文件视为 `kgg` 文件来解密。
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* `kgg-dec.exe "D:\Music" --suffix ""`: 解密后不添加额外的后缀。
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* `[--infra-dll </path/to/infra.dll>]`: 指定 `infra.dll` 的路径，默认为 `infra.dll`。
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* `[--scan-all-file-ext <0|1>]`: 是否扫描所有文件后缀名，默认为 `0` 只扫描 `kgg` 文件。
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* `[--db </path/to/KGMusicV3.db>]`: 指定 `KGMusicV3.db` 的路径，默认为 `%AppData%/Kugou8/KGMusicV3.db`。
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指定完参数后可以指定任意数量的文件或目录。
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错误排查：
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1. 需要至少播放一次 KGG 文件，并确保酷狗能正常播放。
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2. 文件后缀名嗅探代码只支持：`ogg` / `flac`。其他格式会被识别为 `mp3`（大多数情况下能正常工作）。
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2. 文件后缀名嗅探代码只支持：`ogg` / `flac`，其他格式默认回退到 `mp3`。
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@ -27,7 +27,7 @@ class KggTask {
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void info(const wchar_t* msg) const { fwprintf(stderr, L"[INFO] %s (%s)\n", msg, kgg_path_.filename().c_str()); }
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void info(const std::wstring& msg) const { info(msg.c_str()); }
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void Execute(const Infra::kgm_ekey_db_t& ekey_db) const {
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void Execute(const Infra::kgm_ekey_db_t& ekey_db) {
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constexpr static std::array<uint8_t, 16> kMagicHeader{0x7C, 0xD5, 0x32, 0xEB, 0x86, 0x02, 0x7F, 0x4B,
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0xA8, 0xAF, 0xA6, 0x8E, 0x0F, 0xFF, 0x99, 0x14};
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@ -38,8 +38,8 @@ class KggTask {
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warning(L"invalid kgg header");
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return;
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}
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const uint32_t offset_to_audio = *reinterpret_cast<uint32_t*>(&header[0x10]);
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const uint32_t encrypt_mode = *reinterpret_cast<uint32_t*>(&header[0x14]);
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uint32_t offset_to_audio = *reinterpret_cast<uint32_t*>(&header[0x10]);
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uint32_t encrypt_mode = *reinterpret_cast<uint32_t*>(&header[0x14]);
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if (encrypt_mode != 5) {
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warning(std::format(L"unsupported enc_version (expect=0x05, got 0x{:02x})", encrypt_mode));
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return;
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@ -104,7 +104,7 @@ class KggTask {
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std::filesystem::path kgg_path_;
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std::filesystem::path out_dir_;
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static const wchar_t* DetectRealExt(const std::string_view magic) {
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static const wchar_t* DetectRealExt(std::string_view magic) {
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if (magic == "fLaC") {
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return L"flac";
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}
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124
src/main.cpp
124
src/main.cpp
@ -1,7 +1,22 @@
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#include "infra/infra.h"
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#include "infra/sqlite_error.h"
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#include "jobs.hpp"
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#include "utils/cli.h"
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#include "qmc2/qmc2.h"
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// clang-format off
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#include <windows.h>
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#include <shlobj.h>
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#include <initguid.h>
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#include <knownfolders.h>
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// clang-format on
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#include <algorithm>
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#include <cstdint>
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#include <cstdio>
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#include <filesystem>
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#include <fstream>
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#include <span>
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#include <utility>
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using Infra::kgm_ekey_db_t;
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@ -33,54 +48,83 @@ void WalkFileOrDir(KggTaskQueue& queue, const std::filesystem::path& input_path,
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}
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}
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void print_license() {
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fputs(" This software is free and open source, licensed under the MIT license.\n", stderr);
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fputs(" For more details, check out: https://git.unlock-music.dev/um/kgg-dec\n", stderr);
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std::pair<std::vector<std::wstring>, std::unordered_map<std::wstring, std::wstring>> ParseCommandLine() {
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int argc;
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wchar_t** argv = CommandLineToArgvW(GetCommandLineW(), &argc);
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std::vector<std::wstring> positional_args{};
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std::unordered_map<std::wstring, std::wstring> named_args{};
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bool positional_only{false};
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for (int i = 1; i < argc; i++) {
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std::wstring arg{argv[i]};
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if (arg == L"--") {
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positional_only = true;
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continue;
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}
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if (!positional_only && arg.starts_with(L"--")) {
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auto pos = arg.find(L'=');
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if (pos != std::wstring::npos) {
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named_args[arg.substr(2, pos - 2)] = arg.substr(pos + 1);
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} else if (++i < argc) {
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named_args[arg.substr(2)] = argv[i];
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} else {
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named_args[arg.substr(2)] = L"";
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}
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} else {
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positional_args.push_back(arg);
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}
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}
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return std::make_pair(positional_args, named_args);
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}
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void print_usage() {
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int main() {
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SetConsoleOutputCP(CP_UTF8);
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setlocale(LC_ALL, ".UTF8");
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fprintf(stderr, "kgg-dec v" KGGDEC_PROJECT_VERSION " by LSR\n");
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fputs(
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"Usage: kgg-dec "
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"[--infra-dll infra.dll] "
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"[--scan-all-file-ext 0] "
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"[--db /path/to/KGMusicV3.db] "
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"[--suffix _kgg-dec] "
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"[--] "
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"[FILE]...\n\n\n",
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"[--] [kgg-dir... = '.']\n\n",
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stderr);
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}
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void print_banner() {
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fprintf(stderr, "kgg-dec v" KGGDEC_PROJECT_VERSION " by LSR\n");
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print_license();
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print_usage();
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}
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auto [positional_args, named_args] = ParseCommandLine();
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if (positional_args.empty()) {
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positional_args.emplace_back(L".");
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}
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int main() {
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CliParser cli_args;
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print_banner();
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std::filesystem::path kgm_db_path{};
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std::filesystem::path infra_dll_path{L"infra.dll"};
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if (auto it = named_args.find(L"infra-dll"); it != named_args.end()) {
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infra_dll_path = std::filesystem::path{it->second};
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}
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infra_dll_path = absolute(infra_dll_path);
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if (!exists(infra_dll_path)) {
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fputs("[ERR ] infra.dll not found\n", stderr);
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return 1;
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}
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cli_args.parse_from_cli();
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bool scan_all_exts{false};
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if (auto it = named_args.find(L"scan-all-file-ext"); it != named_args.end()) {
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scan_all_exts = it->second == L"1";
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}
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bool scan_all_exts = cli_args.get_scan_all_file_ext();
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|
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auto infra_dll_path = cli_args.get_infra_dll();
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auto kgm_db_path = cli_args.get_db_path();
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auto file_suffix = cli_args.get_file_suffix();
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{
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bool cli_arg_error{false};
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if (!exists(infra_dll_path)) {
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fputs("[ERR ] infra.dll not found\n", stderr);
|
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cli_arg_error = true;
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}
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|
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if (!exists(kgm_db_path)) {
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fputs("[ERR ] KGMusicV3.db not found\n", stderr);
|
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cli_arg_error = true;
|
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}
|
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if (cli_arg_error) {
|
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return 1;
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||||
}
|
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if (auto it = named_args.find(L"db"); it != named_args.end()) {
|
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kgm_db_path = std::filesystem::path{it->second};
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} else {
|
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PWSTR pAppDirPath{};
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SHGetKnownFolderPath(FOLDERID_RoamingAppData, 0, nullptr, &pAppDirPath);
|
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kgm_db_path = std::filesystem::path{pAppDirPath} / L"Kugou8" / L"KGMusicV3.db";
|
||||
CoTaskMemFree(pAppDirPath);
|
||||
}
|
||||
if (!exists(kgm_db_path)) {
|
||||
fputs("[ERR ] KGMusicV3.db not found\n", stderr);
|
||||
return 1;
|
||||
}
|
||||
|
||||
int error{-1};
|
||||
@ -115,11 +159,7 @@ int main() {
|
||||
queue.AddWorkerThread();
|
||||
}
|
||||
|
||||
auto input_files = cli_args.get_input_files();
|
||||
if (input_files.empty()) {
|
||||
input_files.emplace_back(L".");
|
||||
}
|
||||
for (auto& positional_arg : input_files) {
|
||||
for (auto& positional_arg : positional_args) {
|
||||
WalkFileOrDir(queue, positional_arg, scan_all_exts);
|
||||
}
|
||||
queue.Join();
|
||||
|
||||
@ -1,67 +0,0 @@
|
||||
#include "cli.h"
|
||||
|
||||
#include <Windows.h>
|
||||
#include <clocale>
|
||||
|
||||
// clang-format off
|
||||
#include <shlobj.h>
|
||||
#include <knownfolders.h>
|
||||
// clang-format on
|
||||
|
||||
CliParser::CliParser() {
|
||||
SetConsoleOutputCP(CP_UTF8);
|
||||
setlocale(LC_ALL, ".UTF8");
|
||||
}
|
||||
|
||||
void CliParser::parse_from_cli() {
|
||||
int argc;
|
||||
wchar_t** argv = CommandLineToArgvW(GetCommandLineW(), &argc);
|
||||
|
||||
std::vector<std::wstring> positional_args{};
|
||||
std::unordered_map<std::wstring, std::wstring> named_args{};
|
||||
|
||||
bool positional_only{false};
|
||||
for (int i = 1; i < argc; i++) {
|
||||
std::wstring arg{argv[i]};
|
||||
if (arg == L"--") {
|
||||
positional_only = true;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (!positional_only && arg.starts_with(L"--")) {
|
||||
auto pos = arg.find(L'=');
|
||||
if (pos != std::wstring::npos) {
|
||||
named_args[arg.substr(2, pos - 2)] = arg.substr(pos + 1);
|
||||
} else if (++i < argc) {
|
||||
named_args[arg.substr(2)] = argv[i];
|
||||
} else {
|
||||
named_args[arg.substr(2)] = L"";
|
||||
}
|
||||
} else {
|
||||
positional_args.push_back(arg);
|
||||
}
|
||||
}
|
||||
LocalFree(argv);
|
||||
|
||||
positional_args_ = positional_args;
|
||||
named_args_ = named_args;
|
||||
}
|
||||
|
||||
std::filesystem::path CliParser::get_infra_dll() const {
|
||||
std::filesystem::path infra_dll_path{get_with_default(L"infra-dll", L"infra.dll")};
|
||||
return absolute(infra_dll_path);
|
||||
}
|
||||
|
||||
std::filesystem::path CliParser::get_db_path() const {
|
||||
std::filesystem::path kugou_db{};
|
||||
if (const auto& it = named_args_.find(L"db"); it != named_args_.end()) {
|
||||
kugou_db = std::filesystem::path{it->second};
|
||||
} else {
|
||||
PWSTR pAppDirPath{};
|
||||
SHGetKnownFolderPath(FOLDERID_RoamingAppData, 0, nullptr, &pAppDirPath);
|
||||
kugou_db = std::filesystem::path{pAppDirPath} / L"Kugou8" / L"KGMusicV3.db";
|
||||
CoTaskMemFree(pAppDirPath);
|
||||
}
|
||||
|
||||
return absolute(kugou_db);
|
||||
}
|
||||
@ -1,33 +0,0 @@
|
||||
#pragma once
|
||||
|
||||
#include <filesystem>
|
||||
#include <string>
|
||||
#include <unordered_map>
|
||||
#include <utility>
|
||||
#include <vector>
|
||||
|
||||
typedef std::pair<std::vector<std::wstring>, std::unordered_map<std::wstring, std::wstring>> parsed_raw_args_t;
|
||||
|
||||
class CliParser {
|
||||
public:
|
||||
CliParser();
|
||||
void parse_from_cli();
|
||||
|
||||
[[nodiscard]] std::filesystem::path get_infra_dll() const;
|
||||
[[nodiscard]] std::filesystem::path get_db_path() const;
|
||||
[[nodiscard]] std::wstring get_file_suffix() const { return get_with_default(L"suffix", L"_kgg-dec"); }
|
||||
[[nodiscard]] bool get_scan_all_file_ext() const { return get_with_default(L"scan-all-file-ext", L"0") == L"1"; };
|
||||
[[nodiscard]] std::vector<std::wstring> get_input_files() const { return positional_args_; }
|
||||
|
||||
private:
|
||||
std::vector<std::wstring> positional_args_{};
|
||||
std::unordered_map<std::wstring, std::wstring> named_args_{};
|
||||
|
||||
static parsed_raw_args_t parse();
|
||||
[[nodiscard]] std::wstring get_with_default(const std::wstring& key, const std::wstring& default_value) const {
|
||||
if (const auto& it = named_args_.find(key); it != named_args_.end()) {
|
||||
return it->second;
|
||||
}
|
||||
return default_value;
|
||||
}
|
||||
};
|
||||
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Reference in New Issue
Block a user