summaryrefslogtreecommitdiffstats
path: root/src/frontend_common/content_manager.h
blob: 0b0fee73e151c0d7a15cc2f19f951cf1c486f1f4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
// SPDX-FileCopyrightText: 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include <boost/algorithm/string.hpp>
#include "common/common_types.h"
#include "common/literals.h"
#include "core/core.h"
#include "core/file_sys/common_funcs.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/mode.h"
#include "core/file_sys/nca_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/submission_package.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/loader.h"
#include "core/loader/nca.h"

namespace ContentManager {

enum class InstallResult {
    Success,
    Overwrite,
    Failure,
    BaseInstallAttempted,
};

enum class GameVerificationResult {
    Success,
    Failed,
    NotImplemented,
};

/**
 * \brief Removes a single installed DLC
 * \param fs_controller [FileSystemController] reference from the Core::System instance
 * \param title_id Unique title ID representing the DLC which will be removed
 * \return 'true' if successful
 */
inline bool RemoveDLC(const Service::FileSystem::FileSystemController& fs_controller,
                      const u64 title_id) {
    return fs_controller.GetUserNANDContents()->RemoveExistingEntry(title_id) ||
           fs_controller.GetSDMCContents()->RemoveExistingEntry(title_id);
}

/**
 * \brief Removes all DLC for a game
 * \param system Raw pointer to the system instance
 * \param program_id Program ID for the game that will have all of its DLC removed
 * \return Number of DLC removed
 */
inline size_t RemoveAllDLC(Core::System* system, const u64 program_id) {
    size_t count{};
    const auto& fs_controller = system->GetFileSystemController();
    const auto dlc_entries = system->GetContentProvider().ListEntriesFilter(
        FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
    std::vector<u64> program_dlc_entries;

    for (const auto& entry : dlc_entries) {
        if (FileSys::GetBaseTitleID(entry.title_id) == program_id) {
            program_dlc_entries.push_back(entry.title_id);
        }
    }

    for (const auto& entry : program_dlc_entries) {
        if (RemoveDLC(fs_controller, entry)) {
            ++count;
        }
    }
    return count;
}

/**
 * \brief Removes the installed update for a game
 * \param fs_controller [FileSystemController] reference from the Core::System instance
 * \param program_id Program ID for the game that will have its installed update removed
 * \return 'true' if successful
 */
inline bool RemoveUpdate(const Service::FileSystem::FileSystemController& fs_controller,
                         const u64 program_id) {
    const auto update_id = program_id | 0x800;
    return fs_controller.GetUserNANDContents()->RemoveExistingEntry(update_id) ||
           fs_controller.GetSDMCContents()->RemoveExistingEntry(update_id);
}

/**
 * \brief Removes the base content for a game
 * \param fs_controller [FileSystemController] reference from the Core::System instance
 * \param program_id Program ID for the game that will have its base content removed
 * \return 'true' if successful
 */
inline bool RemoveBaseContent(const Service::FileSystem::FileSystemController& fs_controller,
                              const u64 program_id) {
    return fs_controller.GetUserNANDContents()->RemoveExistingEntry(program_id) ||
           fs_controller.GetSDMCContents()->RemoveExistingEntry(program_id);
}

/**
 * \brief Removes a mod for a game
 * \param fs_controller [FileSystemController] reference from the Core::System instance
 * \param program_id Program ID for the game where [mod_name] will be removed
 * \param mod_name The name of a mod as given by FileSys::PatchManager::GetPatches. This corresponds
 * with the name of the mod's directory in a game's load folder.
 * \return 'true' if successful
 */
inline bool RemoveMod(const Service::FileSystem::FileSystemController& fs_controller,
                      const u64 program_id, const std::string& mod_name) {
    // Check general Mods (LayeredFS and IPS)
    const auto mod_dir = fs_controller.GetModificationLoadRoot(program_id);
    if (mod_dir != nullptr) {
        return mod_dir->DeleteSubdirectoryRecursive(mod_name);
    }

    // Check SDMC mod directory (RomFS LayeredFS)
    const auto sdmc_mod_dir = fs_controller.GetSDMCModificationLoadRoot(program_id);
    if (sdmc_mod_dir != nullptr) {
        return sdmc_mod_dir->DeleteSubdirectoryRecursive(mod_name);
    }

    return false;
}

/**
 * \brief Installs an NSP
 * \param system Raw pointer to the system instance
 * \param vfs Raw pointer to the VfsFilesystem instance in Core::System
 * \param filename Path to the NSP file
 * \param callback Callback to report the progress of the installation. The first size_t
 * parameter is the total size of the virtual file and the second is the current progress. If you
 * return true to the callback, it will cancel the installation as soon as possible.
 * \return [InstallResult] representing how the installation finished
 */
inline InstallResult InstallNSP(Core::System* system, FileSys::VfsFilesystem* vfs,
                                const std::string& filename,
                                const std::function<bool(size_t, size_t)>& callback) {
    const auto copy = [callback](const FileSys::VirtualFile& src, const FileSys::VirtualFile& dest,
                                 std::size_t block_size) {
        if (src == nullptr || dest == nullptr) {
            return false;
        }
        if (!dest->Resize(src->GetSize())) {
            return false;
        }

        using namespace Common::Literals;
        std::vector<u8> buffer(1_MiB);

        for (std::size_t i = 0; i < src->GetSize(); i += buffer.size()) {
            if (callback(src->GetSize(), i)) {
                dest->Resize(0);
                return false;
            }
            const auto read = src->Read(buffer.data(), buffer.size(), i);
            dest->Write(buffer.data(), read, i);
        }
        return true;
    };

    std::shared_ptr<FileSys::NSP> nsp;
    FileSys::VirtualFile file = vfs->OpenFile(filename, FileSys::Mode::Read);
    if (boost::to_lower_copy(file->GetName()).ends_with(std::string("nsp"))) {
        nsp = std::make_shared<FileSys::NSP>(file);
        if (nsp->IsExtractedType()) {
            return InstallResult::Failure;
        }
    } else {
        return InstallResult::Failure;
    }

    if (nsp->GetStatus() != Loader::ResultStatus::Success) {
        return InstallResult::Failure;
    }
    const auto res =
        system->GetFileSystemController().GetUserNANDContents()->InstallEntry(*nsp, true, copy);
    switch (res) {
    case FileSys::InstallResult::Success:
        return InstallResult::Success;
    case FileSys::InstallResult::OverwriteExisting:
        return InstallResult::Overwrite;
    case FileSys::InstallResult::ErrorBaseInstall:
        return InstallResult::BaseInstallAttempted;
    default:
        return InstallResult::Failure;
    }
}

/**
 * \brief Installs an NCA
 * \param vfs Raw pointer to the VfsFilesystem instance in Core::System
 * \param filename Path to the NCA file
 * \param registered_cache Raw pointer to the registered cache that the NCA will be installed to
 * \param title_type Type of NCA package to install
 * \param callback Callback to report the progress of the installation. The first size_t
 * parameter is the total size of the virtual file and the second is the current progress. If you
 * return true to the callback, it will cancel the installation as soon as possible.
 * \return [InstallResult] representing how the installation finished
 */
inline InstallResult InstallNCA(FileSys::VfsFilesystem* vfs, const std::string& filename,
                                FileSys::RegisteredCache* registered_cache,
                                const FileSys::TitleType title_type,
                                const std::function<bool(size_t, size_t)>& callback) {
    const auto copy = [callback](const FileSys::VirtualFile& src, const FileSys::VirtualFile& dest,
                                 std::size_t block_size) {
        if (src == nullptr || dest == nullptr) {
            return false;
        }
        if (!dest->Resize(src->GetSize())) {
            return false;
        }

        using namespace Common::Literals;
        std::vector<u8> buffer(1_MiB);

        for (std::size_t i = 0; i < src->GetSize(); i += buffer.size()) {
            if (callback(src->GetSize(), i)) {
                dest->Resize(0);
                return false;
            }
            const auto read = src->Read(buffer.data(), buffer.size(), i);
            dest->Write(buffer.data(), read, i);
        }
        return true;
    };

    const auto nca = std::make_shared<FileSys::NCA>(vfs->OpenFile(filename, FileSys::Mode::Read));
    const auto id = nca->GetStatus();

    // Game updates necessary are missing base RomFS
    if (id != Loader::ResultStatus::Success &&
        id != Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
        return InstallResult::Failure;
    }

    const auto res = registered_cache->InstallEntry(*nca, title_type, true, copy);
    if (res == FileSys::InstallResult::Success) {
        return InstallResult::Success;
    } else if (res == FileSys::InstallResult::OverwriteExisting) {
        return InstallResult::Overwrite;
    } else {
        return InstallResult::Failure;
    }
}

/**
 * \brief Verifies the installed contents for a given ManualContentProvider
 * \param system Raw pointer to the system instance
 * \param provider Raw pointer to the content provider that's tracking indexed games
 * \param callback Callback to report the progress of the installation. The first size_t
 * parameter is the total size of the installed contents and the second is the current progress. If
 * you return true to the callback, it will cancel the installation as soon as possible.
 * \return A list of entries that failed to install. Returns an empty vector if successful.
 */
inline std::vector<std::string> VerifyInstalledContents(
    Core::System* system, FileSys::ManualContentProvider* provider,
    const std::function<bool(size_t, size_t)>& callback) {
    // Get content registries.
    auto bis_contents = system->GetFileSystemController().GetSystemNANDContents();
    auto user_contents = system->GetFileSystemController().GetUserNANDContents();

    std::vector<FileSys::RegisteredCache*> content_providers;
    if (bis_contents) {
        content_providers.push_back(bis_contents);
    }
    if (user_contents) {
        content_providers.push_back(user_contents);
    }

    // Get associated NCA files.
    std::vector<FileSys::VirtualFile> nca_files;

    // Get all installed IDs.
    size_t total_size = 0;
    for (auto nca_provider : content_providers) {
        const auto entries = nca_provider->ListEntriesFilter();

        for (const auto& entry : entries) {
            auto nca_file = nca_provider->GetEntryRaw(entry.title_id, entry.type);
            if (!nca_file) {
                continue;
            }

            total_size += nca_file->GetSize();
            nca_files.push_back(std::move(nca_file));
        }
    }

    // Declare a list of file names which failed to verify.
    std::vector<std::string> failed;

    size_t processed_size = 0;
    bool cancelled = false;
    auto nca_callback = [&](size_t nca_processed, size_t nca_total) {
        cancelled = callback(total_size, processed_size + nca_processed);
        return !cancelled;
    };

    // Using the NCA loader, determine if all NCAs are valid.
    for (auto& nca_file : nca_files) {
        Loader::AppLoader_NCA nca_loader(nca_file);

        auto status = nca_loader.VerifyIntegrity(nca_callback);
        if (cancelled) {
            break;
        }
        if (status != Loader::ResultStatus::Success) {
            FileSys::NCA nca(nca_file);
            const auto title_id = nca.GetTitleId();
            std::string title_name = "unknown";

            const auto control = provider->GetEntry(FileSys::GetBaseTitleID(title_id),
                                                    FileSys::ContentRecordType::Control);
            if (control && control->GetStatus() == Loader::ResultStatus::Success) {
                const FileSys::PatchManager pm{title_id, system->GetFileSystemController(),
                                               *provider};
                const auto [nacp, logo] = pm.ParseControlNCA(*control);
                if (nacp) {
                    title_name = nacp->GetApplicationName();
                }
            }

            if (title_id > 0) {
                failed.push_back(
                    fmt::format("{} ({:016X}) ({})", nca_file->GetName(), title_id, title_name));
            } else {
                failed.push_back(fmt::format("{} (unknown)", nca_file->GetName()));
            }
        }

        processed_size += nca_file->GetSize();
    }
    return failed;
}

/**
 * \brief Verifies the contents of a given game
 * \param system Raw pointer to the system instance
 * \param game_path Patch to the game file
 * \param callback Callback to report the progress of the installation. The first size_t
 * parameter is the total size of the installed contents and the second is the current progress. If
 * you return true to the callback, it will cancel the installation as soon as possible.
 * \return GameVerificationResult representing how the verification process finished
 */
inline GameVerificationResult VerifyGameContents(
    Core::System* system, const std::string& game_path,
    const std::function<bool(size_t, size_t)>& callback) {
    const auto loader = Loader::GetLoader(
        *system, system->GetFilesystem()->OpenFile(game_path, FileSys::Mode::Read));
    if (loader == nullptr) {
        return GameVerificationResult::NotImplemented;
    }

    bool cancelled = false;
    auto loader_callback = [&](size_t processed, size_t total) {
        cancelled = callback(total, processed);
        return !cancelled;
    };

    const auto status = loader->VerifyIntegrity(loader_callback);
    if (cancelled || status == Loader::ResultStatus::ErrorIntegrityVerificationNotImplemented) {
        return GameVerificationResult::NotImplemented;
    }

    if (status == Loader::ResultStatus::ErrorIntegrityVerificationFailed) {
        return GameVerificationResult::Failed;
    }
    return GameVerificationResult::Success;
}

} // namespace ContentManager