summaryrefslogtreecommitdiffstats
path: root/logic/minecraft/OneSixUpdate.cpp
blob: 5babb0b672ba5209a88e229b7187585b4304e933 (plain)
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
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
/* Copyright 2013-2015 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "Env.h"
#include "OneSixUpdate.h"

#include <QtNetwork>

#include <QFile>
#include <QFileInfo>
#include <QTextStream>
#include <QDataStream>
#include <JlCompress.h>

#include "BaseInstance.h"
#include "minecraft/MinecraftVersionList.h"
#include "minecraft/MinecraftProfile.h"
#include "minecraft/RawLibrary.h"
#include "minecraft/OneSixInstance.h"
#include "forge/ForgeMirrors.h"
#include "net/URLConstants.h"
#include "minecraft/AssetsUtils.h"
#include "Exception.h"
#include "MMCZip.h"
#include <FileSystem.h>

OneSixUpdate::OneSixUpdate(OneSixInstance *inst, QObject *parent) : Task(parent), m_inst(inst)
{
}

void OneSixUpdate::executeTask()
{
	// Make directories
	QDir mcDir(m_inst->minecraftRoot());
	if (!mcDir.exists() && !mcDir.mkpath("."))
	{
		emitFailed(tr("Failed to create folder for minecraft binaries."));
		return;
	}

	// Get a pointer to the version object that corresponds to the instance's version.
	targetVersion = std::dynamic_pointer_cast<MinecraftVersion>(
		ENV.getVersion("net.minecraft", m_inst->intendedVersionId()));
	if (targetVersion == nullptr)
	{
		// don't do anything if it was invalid
		emitFailed(tr("The specified Minecraft version is invalid. Choose a different one."));
		return;
	}
	if (m_inst->providesVersionFile() || !targetVersion->needsUpdate())
	{
		qDebug() << "Instance either provides a version file or doesn't need an update.";
		jarlibStart();
		return;
	}
	versionUpdateTask = std::dynamic_pointer_cast<MinecraftVersionList>(ENV.getVersionList("net.minecraft"))->createUpdateTask(m_inst->intendedVersionId());
	if (!versionUpdateTask)
	{
		qDebug() << "Didn't spawn an update task.";
		jarlibStart();
		return;
	}
	connect(versionUpdateTask.get(), SIGNAL(succeeded()), SLOT(jarlibStart()));
	connect(versionUpdateTask.get(), &NetJob::failed, this, &OneSixUpdate::versionUpdateFailed);
	connect(versionUpdateTask.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
	setStatus(tr("Getting the version files from Mojang..."));
	versionUpdateTask->start();
}

void OneSixUpdate::versionUpdateFailed(QString reason)
{
	emitFailed(reason);
}

void OneSixUpdate::assetIndexStart()
{
	setStatus(tr("Updating assets index..."));
	OneSixInstance *inst = (OneSixInstance *)m_inst;
	std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();
	QString assetName = version->assets;
	QUrl indexUrl = "http://" + URLConstants::AWS_DOWNLOAD_INDEXES + assetName + ".json";
	QString localPath = assetName + ".json";
	auto job = new NetJob(tr("Asset index for %1").arg(inst->name()));

	auto metacache = ENV.metacache();
	auto entry = metacache->resolveEntry("asset_indexes", localPath);
	entry->stale = true;
	job->addNetAction(CacheDownload::make(indexUrl, entry));
	jarlibDownloadJob.reset(job);

	connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(assetIndexFinished()));
	connect(jarlibDownloadJob.get(), &NetJob::failed, this, &OneSixUpdate::assetIndexFailed);
	connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));

	qDebug() << m_inst->name() << ": Starting asset index download";
	jarlibDownloadJob->start();
}

void OneSixUpdate::assetIndexFinished()
{
	AssetsIndex index;
	qDebug() << m_inst->name() << ": Finished asset index download";

	OneSixInstance *inst = (OneSixInstance *)m_inst;
	std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();
	QString assetName = version->assets;

	QString asset_fname = "assets/indexes/" + assetName + ".json";
	if (!AssetsUtils::loadAssetsIndexJson(asset_fname, &index))
	{
		auto metacache = ENV.metacache();
		auto entry = metacache->resolveEntry("asset_indexes", assetName + ".json");
		metacache->evictEntry(entry);
		emitFailed(tr("Failed to read the assets index!"));
	}

	QList<Md5EtagDownloadPtr> dls;
	for (auto object : index.objects.values())
	{
		QString objectName = object.hash.left(2) + "/" + object.hash;
		QFileInfo objectFile("assets/objects/" + objectName);
		if ((!objectFile.isFile()) || (objectFile.size() != object.size))
		{
			auto objectDL = MD5EtagDownload::make(QUrl("http://" + URLConstants::RESOURCE_BASE + objectName), objectFile.filePath());
			objectDL->m_total_progress = object.size;
			dls.append(objectDL);
		}
	}
	if (dls.size())
	{
		setStatus(tr("Getting the assets files from Mojang..."));
		auto job = new NetJob(tr("Assets for %1").arg(inst->name()));
		for (auto dl : dls)
			job->addNetAction(dl);
		jarlibDownloadJob.reset(job);
		connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(assetsFinished()));
		connect(jarlibDownloadJob.get(), &NetJob::failed, this, &OneSixUpdate::assetsFailed);
		connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
		jarlibDownloadJob->start();
		return;
	}
	assetsFinished();
}

void OneSixUpdate::assetIndexFailed(QString reason)
{
	qDebug() << m_inst->name() << ": Failed asset index download";
	emitFailed(tr("Failed to download the assets index:\n%1").arg(reason));
}

void OneSixUpdate::assetsFinished()
{
	emitSucceeded();
}

void OneSixUpdate::assetsFailed(QString reason)
{
	emitFailed(tr("Failed to download assets:\n%1").arg(reason));
}

void OneSixUpdate::jarlibStart()
{
	setStatus(tr("Getting the library files from Mojang..."));
	qDebug() << m_inst->name() << ": downloading libraries";
	OneSixInstance *inst = (OneSixInstance *)m_inst;
	try
	{
		inst->reloadProfile();
	}
	catch (Exception &e)
	{
		emitFailed(e.cause());
		return;
	}
	catch (...)
	{
		emitFailed(tr("Failed to load the version description file for reasons unknown."));
		return;
	}

	// Build a list of URLs that will need to be downloaded.
	std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();
	// minecraft.jar for this version
	{
		QString version_id = version->id;
		QString localPath = version_id + "/" + version_id + ".jar";
		QString urlstr = "http://" + URLConstants::AWS_DOWNLOAD_VERSIONS + localPath;

		auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()));

		auto metacache = ENV.metacache();
		auto entry = metacache->resolveEntry("versions", localPath);
		job->addNetAction(CacheDownload::make(QUrl(urlstr), entry));
		jarHashOnEntry = entry->md5sum;

		jarlibDownloadJob.reset(job);
	}

	auto libs = version->getActiveNativeLibs();
	libs.append(version->getActiveNormalLibs());

	auto metacache = ENV.metacache();
	QList<ForgeXzDownloadPtr> ForgeLibs;
	QList<RawLibraryPtr> brokenLocalLibs;

	for (auto lib : libs)
	{
		if (lib->hint() == "local")
		{
			if (!lib->filesExist(m_inst->librariesPath()))
				brokenLocalLibs.append(lib);
			continue;
		}

		QString raw_storage = lib->storageSuffix();
		QString raw_dl = lib->url();

		auto f = [&](QString storage, QString dl)
		{
			auto entry = metacache->resolveEntry("libraries", storage);
			if (entry->stale)
			{
				if (lib->hint() == "forge-pack-xz")
				{
					ForgeLibs.append(ForgeXzDownload::make(storage, entry));
				}
				else
				{
					jarlibDownloadJob->addNetAction(CacheDownload::make(dl, entry));
				}
			}
		};
		if (raw_storage.contains("${arch}"))
		{
			QString cooked_storage = raw_storage;
			QString cooked_dl = raw_dl;
			f(cooked_storage.replace("${arch}", "32"), cooked_dl.replace("${arch}", "32"));
			cooked_storage = raw_storage;
			cooked_dl = raw_dl;
			f(cooked_storage.replace("${arch}", "64"), cooked_dl.replace("${arch}", "64"));
		}
		else
		{
			f(raw_storage, raw_dl);
		}
	}
	if (!brokenLocalLibs.empty())
	{
		jarlibDownloadJob.reset();
		QStringList failed;
		for (auto brokenLib : brokenLocalLibs)
		{
			failed.append(brokenLib->files());
		}
		QString failed_all = failed.join("\n");
		emitFailed(tr("Some libraries marked as 'local' are missing their jar "
					  "files:\n%1\n\nYou'll have to correct this problem manually. If this is "
					  "an externally tracked instance, make sure to run it at least once "
					  "outside of MultiMC.").arg(failed_all));
		return;
	}
	// TODO: think about how to propagate this from the original json file... or IF AT ALL
	QString forgeMirrorList = "http://files.minecraftforge.net/mirror-brand.list";
	if (!ForgeLibs.empty())
	{
		jarlibDownloadJob->addNetAction(
			ForgeMirrors::make(ForgeLibs, jarlibDownloadJob, forgeMirrorList));
	}

	connect(jarlibDownloadJob.get(), SIGNAL(succeeded()), SLOT(jarlibFinished()));
	connect(jarlibDownloadJob.get(), &NetJob::failed, this, &OneSixUpdate::jarlibFailed);
	connect(jarlibDownloadJob.get(), SIGNAL(progress(qint64, qint64)),
			SIGNAL(progress(qint64, qint64)));

	jarlibDownloadJob->start();
}

void OneSixUpdate::jarlibFinished()
{
	OneSixInstance *inst = (OneSixInstance *)m_inst;
	std::shared_ptr<MinecraftProfile> version = inst->getMinecraftProfile();

	if (version->traits.contains("legacyFML"))
	{
		fmllibsStart();
	}
	else
	{
		assetIndexStart();
	}
}

void OneSixUpdate::jarlibFailed(QString reason)
{
	QStringList failed = jarlibDownloadJob->getFailedFiles();
	QString failed_all = failed.join("\n");
	emitFailed(
		tr("Failed to download the following files:\n%1\n\nReason:%2\nPlease try again.").arg(failed_all, reason));
}

void OneSixUpdate::fmllibsStart()
{
	// Get the mod list
	OneSixInstance *inst = (OneSixInstance *)m_inst;
	std::shared_ptr<MinecraftProfile> fullversion = inst->getMinecraftProfile();
	bool forge_present = false;

	QString version = inst->intendedVersionId();
	auto &fmlLibsMapping = g_VersionFilterData.fmlLibsMapping;
	if (!fmlLibsMapping.contains(version))
	{
		assetIndexStart();
		return;
	}

	auto &libList = fmlLibsMapping[version];

	// determine if we need some libs for FML or forge
	setStatus(tr("Checking for FML libraries..."));
	forge_present = (fullversion->versionPatch("net.minecraftforge") != nullptr);
	// we don't...
	if (!forge_present)
	{
		assetIndexStart();
		return;
	}

	// now check the lib folder inside the instance for files.
	for (auto &lib : libList)
	{
		QFileInfo libInfo(FS::PathCombine(inst->libDir(), lib.filename));
		if (libInfo.exists())
			continue;
		fmlLibsToProcess.append(lib);
	}

	// if everything is in place, there's nothing to do here...
	if (fmlLibsToProcess.isEmpty())
	{
		assetIndexStart();
		return;
	}

	// download missing libs to our place
	setStatus(tr("Dowloading FML libraries..."));
	auto dljob = new NetJob("FML libraries");
	auto metacache = ENV.metacache();
	for (auto &lib : fmlLibsToProcess)
	{
		auto entry = metacache->resolveEntry("fmllibs", lib.filename);
		QString urlString = lib.ours ? URLConstants::FMLLIBS_OUR_BASE_URL + lib.filename
									 : URLConstants::FMLLIBS_FORGE_BASE_URL + lib.filename;
		dljob->addNetAction(CacheDownload::make(QUrl(urlString), entry));
	}

	connect(dljob, SIGNAL(succeeded()), SLOT(fmllibsFinished()));
	connect(dljob, &NetJob::failed, this, &OneSixUpdate::fmllibsFailed);
	connect(dljob, SIGNAL(progress(qint64, qint64)), SIGNAL(progress(qint64, qint64)));
	legacyDownloadJob.reset(dljob);
	legacyDownloadJob->start();
}

void OneSixUpdate::fmllibsFinished()
{
	legacyDownloadJob.reset();
	if (!fmlLibsToProcess.isEmpty())
	{
		setStatus(tr("Copying FML libraries into the instance..."));
		OneSixInstance *inst = (OneSixInstance *)m_inst;
		auto metacache = ENV.metacache();
		int index = 0;
		for (auto &lib : fmlLibsToProcess)
		{
			progress(index, fmlLibsToProcess.size());
			auto entry = metacache->resolveEntry("fmllibs", lib.filename);
			auto path = FS::PathCombine(inst->libDir(), lib.filename);
			if (!FS::ensureFilePathExists(path))
			{
				emitFailed(tr("Failed creating FML library folder inside the instance."));
				return;
			}
			if (!QFile::copy(entry->getFullPath(), FS::PathCombine(inst->libDir(), lib.filename)))
			{
				emitFailed(tr("Failed copying Forge/FML library: %1.").arg(lib.filename));
				return;
			}
			index++;
		}
		progress(index, fmlLibsToProcess.size());
	}
	assetIndexStart();
}

void OneSixUpdate::fmllibsFailed(QString reason)
{
	emitFailed(tr("Game update failed: it was impossible to fetch the required FML libraries.\nReason:\n%1").arg(reason));
	return;
}