pollymc/launcher/minecraft/MojangVersionFormat.cpp

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#include "MojangVersionFormat.h"
#include "OneSixVersionFormat.h"
#include "MojangDownloadInfo.h"
#include "Json.h"
using namespace Json;
#include "ParseUtils.h"
static const int CURRENT_MINIMUM_LAUNCHER_VERSION = 18;
static MojangAssetIndexInfo::Ptr assetIndexFromJson (const QJsonObject &obj);
static MojangDownloadInfo::Ptr downloadInfoFromJson (const QJsonObject &obj);
static MojangLibraryDownloadInfo::Ptr libDownloadInfoFromJson (const QJsonObject &libObj);
static QJsonObject assetIndexToJson (MojangAssetIndexInfo::Ptr assetidxinfo);
static QJsonObject libDownloadInfoToJson (MojangLibraryDownloadInfo::Ptr libinfo);
static QJsonObject downloadInfoToJson (MojangDownloadInfo::Ptr info);
namespace Bits
{
static void readString(const QJsonObject &root, const QString &key, QString &variable)
{
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if (root.contains(key))
{
variable = requireString(root.value(key));
}
}
static void readDownloadInfo(MojangDownloadInfo::Ptr out, const QJsonObject &obj)
{
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// optional, not used
readString(obj, "path", out->path);
// required!
out->sha1 = requireString(obj, "sha1");
out->url = requireString(obj, "url");
out->size = requireInteger(obj, "size");
}
static void readAssetIndex(MojangAssetIndexInfo::Ptr out, const QJsonObject &obj)
{
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out->totalSize = requireInteger(obj, "totalSize");
out->id = requireString(obj, "id");
// out->known = true;
}
}
MojangDownloadInfo::Ptr downloadInfoFromJson(const QJsonObject &obj)
{
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auto out = std::make_shared<MojangDownloadInfo>();
Bits::readDownloadInfo(out, obj);
return out;
}
MojangAssetIndexInfo::Ptr assetIndexFromJson(const QJsonObject &obj)
{
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auto out = std::make_shared<MojangAssetIndexInfo>();
Bits::readDownloadInfo(out, obj);
Bits::readAssetIndex(out, obj);
return out;
}
QJsonObject downloadInfoToJson(MojangDownloadInfo::Ptr info)
{
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QJsonObject out;
if(!info->path.isNull())
{
out.insert("path", info->path);
}
out.insert("sha1", info->sha1);
out.insert("size", info->size);
out.insert("url", info->url);
return out;
}
MojangLibraryDownloadInfo::Ptr libDownloadInfoFromJson(const QJsonObject &libObj)
{
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auto out = std::make_shared<MojangLibraryDownloadInfo>();
auto dlObj = requireObject(libObj.value("downloads"));
if(dlObj.contains("artifact"))
{
out->artifact = downloadInfoFromJson(requireObject(dlObj, "artifact"));
}
if(dlObj.contains("classifiers"))
{
auto classifiersObj = requireObject(dlObj, "classifiers");
for(auto iter = classifiersObj.begin(); iter != classifiersObj.end(); iter++)
{
auto classifier = iter.key();
auto classifierObj = requireObject(iter.value());
out->classifiers[classifier] = downloadInfoFromJson(classifierObj);
}
}
return out;
}
QJsonObject libDownloadInfoToJson(MojangLibraryDownloadInfo::Ptr libinfo)
{
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QJsonObject out;
if(libinfo->artifact)
{
out.insert("artifact", downloadInfoToJson(libinfo->artifact));
}
if(libinfo->classifiers.size())
{
QJsonObject classifiersOut;
for(auto iter = libinfo->classifiers.begin(); iter != libinfo->classifiers.end(); iter++)
{
classifiersOut.insert(iter.key(), downloadInfoToJson(iter.value()));
}
out.insert("classifiers", classifiersOut);
}
return out;
}
QJsonObject assetIndexToJson(MojangAssetIndexInfo::Ptr info)
{
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QJsonObject out;
if(!info->path.isNull())
{
out.insert("path", info->path);
}
out.insert("sha1", info->sha1);
out.insert("size", info->size);
out.insert("url", info->url);
out.insert("totalSize", info->totalSize);
out.insert("id", info->id);
return out;
}
void MojangVersionFormat::readVersionProperties(const QJsonObject &in, VersionFile *out)
{
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Bits::readString(in, "id", out->minecraftVersion);
Bits::readString(in, "mainClass", out->mainClass);
Bits::readString(in, "minecraftArguments", out->minecraftArguments);
if(out->minecraftArguments.isEmpty())
{
QString processArguments;
Bits::readString(in, "processArguments", processArguments);
QString toCompare = processArguments.toLower();
if (toCompare == "legacy")
{
out->minecraftArguments = " ${auth_player_name} ${auth_session}";
}
else if (toCompare == "username_session")
{
out->minecraftArguments = "--username ${auth_player_name} --session ${auth_session}";
}
else if (toCompare == "username_session_version")
{
out->minecraftArguments = "--username ${auth_player_name} --session ${auth_session} --version ${profile_name}";
}
else if (!toCompare.isEmpty())
{
out->addProblem(ProblemSeverity::Error, QObject::tr("processArguments is set to unknown value '%1'").arg(processArguments));
}
}
Bits::readString(in, "type", out->type);
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Bits::readString(in, "assets", out->assets);
if(in.contains("assetIndex"))
{
out->mojangAssetIndex = assetIndexFromJson(requireObject(in, "assetIndex"));
}
else if (!out->assets.isNull())
{
out->mojangAssetIndex = std::make_shared<MojangAssetIndexInfo>(out->assets);
}
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out->releaseTime = timeFromS3Time(in.value("releaseTime").toString(""));
out->updateTime = timeFromS3Time(in.value("time").toString(""));
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if (in.contains("minimumLauncherVersion"))
{
out->minimumLauncherVersion = requireInteger(in.value("minimumLauncherVersion"));
if (out->minimumLauncherVersion > CURRENT_MINIMUM_LAUNCHER_VERSION)
{
out->addProblem(
ProblemSeverity::Warning,
QObject::tr("The 'minimumLauncherVersion' value of this version (%1) is higher than supported by MultiMC (%2). It might not work properly!")
.arg(out->minimumLauncherVersion)
.arg(CURRENT_MINIMUM_LAUNCHER_VERSION));
}
}
if(in.contains("downloads"))
{
auto downloadsObj = requireObject(in, "downloads");
for(auto iter = downloadsObj.begin(); iter != downloadsObj.end(); iter++)
{
auto classifier = iter.key();
auto classifierObj = requireObject(iter.value());
out->mojangDownloads[classifier] = downloadInfoFromJson(classifierObj);
}
}
}
VersionFilePtr MojangVersionFormat::versionFileFromJson(const QJsonDocument &doc, const QString &filename)
{
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VersionFilePtr out(new VersionFile());
if (doc.isEmpty() || doc.isNull())
{
throw JSONValidationError(filename + " is empty or null");
}
if (!doc.isObject())
{
throw JSONValidationError(filename + " is not an object");
}
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QJsonObject root = doc.object();
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readVersionProperties(root, out.get());
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out->name = "Minecraft";
out->uid = "net.minecraft";
out->version = out->minecraftVersion;
// out->filename = filename;
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if (root.contains("libraries"))
{
for (auto libVal : requireArray(root.value("libraries")))
{
auto libObj = requireObject(libVal);
auto lib = MojangVersionFormat::libraryFromJson(*out, libObj, filename);
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out->libraries.append(lib);
}
}
return out;
}
void MojangVersionFormat::writeVersionProperties(const VersionFile* in, QJsonObject& out)
{
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writeString(out, "id", in->minecraftVersion);
writeString(out, "mainClass", in->mainClass);
writeString(out, "minecraftArguments", in->minecraftArguments);
writeString(out, "type", in->type);
if(!in->releaseTime.isNull())
{
writeString(out, "releaseTime", timeToS3Time(in->releaseTime));
}
if(!in->updateTime.isNull())
{
writeString(out, "time", timeToS3Time(in->updateTime));
}
if(in->minimumLauncherVersion != -1)
{
out.insert("minimumLauncherVersion", in->minimumLauncherVersion);
}
writeString(out, "assets", in->assets);
if(in->mojangAssetIndex && in->mojangAssetIndex->known)
{
out.insert("assetIndex", assetIndexToJson(in->mojangAssetIndex));
}
if(in->mojangDownloads.size())
{
QJsonObject downloadsOut;
for(auto iter = in->mojangDownloads.begin(); iter != in->mojangDownloads.end(); iter++)
{
downloadsOut.insert(iter.key(), downloadInfoToJson(iter.value()));
}
out.insert("downloads", downloadsOut);
}
}
QJsonDocument MojangVersionFormat::versionFileToJson(const VersionFilePtr &patch)
{
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QJsonObject root;
writeVersionProperties(patch.get(), root);
if (!patch->libraries.isEmpty())
{
QJsonArray array;
for (auto value: patch->libraries)
{
array.append(MojangVersionFormat::libraryToJson(value.get()));
}
root.insert("libraries", array);
}
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// write the contents to a json document.
{
QJsonDocument out;
out.setObject(root);
return out;
}
}
LibraryPtr MojangVersionFormat::libraryFromJson(ProblemContainer & problems, const QJsonObject &libObj, const QString &filename)
{
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LibraryPtr out(new Library());
if (!libObj.contains("name"))
{
throw JSONValidationError(filename + "contains a library that doesn't have a 'name' field");
}
auto rawName = libObj.value("name").toString();
out->m_name = rawName;
if(!out->m_name.valid()) {
problems.addProblem(ProblemSeverity::Error, QObject::tr("Library %1 name is broken and cannot be processed.").arg(rawName));
}
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Bits::readString(libObj, "url", out->m_repositoryURL);
if (libObj.contains("extract"))
{
out->m_hasExcludes = true;
auto extractObj = requireObject(libObj.value("extract"));
for (auto excludeVal : requireArray(extractObj.value("exclude")))
{
out->m_extractExcludes.append(requireString(excludeVal));
}
}
if (libObj.contains("natives"))
{
QJsonObject nativesObj = requireObject(libObj.value("natives"));
for (auto it = nativesObj.begin(); it != nativesObj.end(); ++it)
{
if (!it.value().isString())
{
qWarning() << filename << "contains an invalid native (skipping)";
}
OpSys opSys = OpSys_fromString(it.key());
if (opSys != Os_Other)
{
out->m_nativeClassifiers[opSys] = it.value().toString();
}
}
}
if (libObj.contains("rules"))
{
out->applyRules = true;
out->m_rules = rulesFromJsonV4(libObj);
}
if (libObj.contains("downloads"))
{
out->m_mojangDownloads = libDownloadInfoFromJson(libObj);
}
return out;
}
QJsonObject MojangVersionFormat::libraryToJson(Library *library)
{
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QJsonObject libRoot;
libRoot.insert("name", library->m_name.serialize());
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if (!library->m_repositoryURL.isEmpty())
{
libRoot.insert("url", library->m_repositoryURL);
}
if (library->isNative())
{
QJsonObject nativeList;
auto iter = library->m_nativeClassifiers.begin();
while (iter != library->m_nativeClassifiers.end())
{
nativeList.insert(OpSys_toString(iter.key()), iter.value());
iter++;
}
libRoot.insert("natives", nativeList);
if (library->m_extractExcludes.size())
{
QJsonArray excludes;
QJsonObject extract;
for (auto exclude : library->m_extractExcludes)
{
excludes.append(exclude);
}
extract.insert("exclude", excludes);
libRoot.insert("extract", extract);
}
}
if (library->m_rules.size())
{
QJsonArray allRules;
for (auto &rule : library->m_rules)
{
QJsonObject ruleObj = rule->toJson();
allRules.append(ruleObj);
}
libRoot.insert("rules", allRules);
}
if(library->m_mojangDownloads)
{
auto downloadsObj = libDownloadInfoToJson(library->m_mojangDownloads);
libRoot.insert("downloads", downloadsObj);
}
return libRoot;
}