pollymc/launcher/java/JavaUtils.cpp
Tayou bb4861cf0d check for java installs in PATH on windows
this should find java installs from scoop as well as any other installer, that registers java in the PATH environment variable.

Signed-off-by: Tayou <tayou@gmx.net>
2022-08-18 18:24:32 +02:00

469 lines
17 KiB
C++

// SPDX-License-Identifier: GPL-3.0-only
/*
* PolyMC - Minecraft Launcher
* Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2013-2021 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 <QStringList>
#include <QString>
#include <QDir>
#include <QStringList>
#include <settings/Setting.h>
#include <QDebug>
#include "java/JavaUtils.h"
#include "java/JavaInstallList.h"
#include "FileSystem.h"
#include "Application.h"
#define IBUS "@im=ibus"
JavaUtils::JavaUtils()
{
}
QString stripVariableEntries(QString name, QString target, QString remove)
{
char delimiter = ':';
#ifdef Q_OS_WIN32
delimiter = ';';
#endif
auto targetItems = target.split(delimiter);
auto toRemove = remove.split(delimiter);
for (QString item : toRemove) {
bool removed = targetItems.removeOne(item);
if (!removed)
qWarning() << "Entry" << item
<< "could not be stripped from variable" << name;
}
return targetItems.join(delimiter);
}
QProcessEnvironment CleanEnviroment()
{
// prepare the process environment
QProcessEnvironment rawenv = QProcessEnvironment::systemEnvironment();
QProcessEnvironment env;
QStringList ignored =
{
"JAVA_ARGS",
"CLASSPATH",
"CONFIGPATH",
"JAVA_HOME",
"JRE_HOME",
"_JAVA_OPTIONS",
"JAVA_OPTIONS",
"JAVA_TOOL_OPTIONS"
};
QStringList stripped =
{
#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
"LD_LIBRARY_PATH",
"LD_PRELOAD",
#endif
"QT_PLUGIN_PATH",
"QT_FONTPATH"
};
for(auto key: rawenv.keys())
{
auto value = rawenv.value(key);
// filter out dangerous java crap
if(ignored.contains(key))
{
qDebug() << "Env: ignoring" << key << value;
continue;
}
// These are used to strip the original variables
// If there is "LD_LIBRARY_PATH" and "LAUNCHER_LD_LIBRARY_PATH", we want to
// remove all values in "LAUNCHER_LD_LIBRARY_PATH" from "LD_LIBRARY_PATH"
if(key.startsWith("LAUNCHER_"))
{
qDebug() << "Env: ignoring" << key << value;
continue;
}
if(stripped.contains(key))
{
QString newValue = stripVariableEntries(key, value, rawenv.value("LAUNCHER_" + key));
qDebug() << "Env: stripped" << key << value << "to" << newValue;
}
#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
// Strip IBus
// IBus is a Linux IME framework. For some reason, it breaks MC?
if (key == "XMODIFIERS" && value.contains(IBUS))
{
QString save = value;
value.replace(IBUS, "");
qDebug() << "Env: stripped" << IBUS << "from" << save << ":" << value;
}
#endif
// qDebug() << "Env: " << key << value;
env.insert(key, value);
}
#ifdef Q_OS_LINUX
// HACK: Workaround for QTBUG-42500
if(!env.contains("LD_LIBRARY_PATH"))
{
env.insert("LD_LIBRARY_PATH", "");
}
#endif
return env;
}
JavaInstallPtr JavaUtils::MakeJavaPtr(QString path, QString id, QString arch)
{
JavaInstallPtr javaVersion(new JavaInstall());
javaVersion->id = id;
javaVersion->arch = arch;
javaVersion->path = path;
return javaVersion;
}
JavaInstallPtr JavaUtils::GetDefaultJava()
{
JavaInstallPtr javaVersion(new JavaInstall());
javaVersion->id = "java";
javaVersion->arch = "unknown";
#if defined(Q_OS_WIN32)
javaVersion->path = "javaw";
#else
javaVersion->path = "java";
#endif
return javaVersion;
}
QStringList addJavasFromEnv(QList<QString> javas)
{
QByteArray env = qgetenv("POLYMC_JAVA_PATHS");
#if defined(Q_OS_WIN32)
QList<QString> javaPaths = QString::fromLocal8Bit(env).replace("\\", "/").split(QLatin1String(";"));
QByteArray envPath = qgetenv("PATH");
QList<QString> javaPathsfromPath = QString::fromLocal8Bit(envPath).replace("\\", "/").split(QLatin1String(";"));
for (QString string : javaPathsfromPath) {
javaPaths.append(string + "/javaw.exe");
}
#else
QList<QString> javaPaths = QString::fromLocal8Bit(env).split(QLatin1String(":"));
#endif
for(QString i : javaPaths)
{
javas.append(i);
};
return javas;
}
#if defined(Q_OS_WIN32)
QList<JavaInstallPtr> JavaUtils::FindJavaFromRegistryKey(DWORD keyType, QString keyName, QString keyJavaDir, QString subkeySuffix)
{
QList<JavaInstallPtr> javas;
QString archType = "unknown";
if (keyType == KEY_WOW64_64KEY)
archType = "64";
else if (keyType == KEY_WOW64_32KEY)
archType = "32";
HKEY jreKey;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, keyName.toStdWString().c_str(), 0,
KEY_READ | keyType | KEY_ENUMERATE_SUB_KEYS, &jreKey) == ERROR_SUCCESS)
{
// Read the current type version from the registry.
// This will be used to find any key that contains the JavaHome value.
WCHAR subKeyName[255];
DWORD subKeyNameSize, numSubKeys, retCode;
// Get the number of subkeys
RegQueryInfoKeyW(jreKey, NULL, NULL, NULL, &numSubKeys, NULL, NULL, NULL, NULL, NULL,
NULL, NULL);
// Iterate until RegEnumKeyEx fails
if (numSubKeys > 0)
{
for (DWORD i = 0; i < numSubKeys; i++)
{
subKeyNameSize = 255;
retCode = RegEnumKeyExW(jreKey, i, subKeyName, &subKeyNameSize, NULL, NULL, NULL,
NULL);
QString newSubkeyName = QString::fromWCharArray(subKeyName);
if (retCode == ERROR_SUCCESS)
{
// Now open the registry key for the version that we just got.
QString newKeyName = keyName + "\\" + newSubkeyName + subkeySuffix;
HKEY newKey;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, newKeyName.toStdWString().c_str(), 0,
KEY_READ | KEY_WOW64_64KEY, &newKey) == ERROR_SUCCESS)
{
// Read the JavaHome value to find where Java is installed.
DWORD valueSz = 0;
if (RegQueryValueExW(newKey, keyJavaDir.toStdWString().c_str(), NULL, NULL, NULL,
&valueSz) == ERROR_SUCCESS)
{
WCHAR *value = new WCHAR[valueSz];
RegQueryValueExW(newKey, keyJavaDir.toStdWString().c_str(), NULL, NULL, (BYTE *)value,
&valueSz);
QString newValue = QString::fromWCharArray(value);
delete [] value;
// Now, we construct the version object and add it to the list.
JavaInstallPtr javaVersion(new JavaInstall());
javaVersion->id = newSubkeyName;
javaVersion->arch = archType;
javaVersion->path =
QDir(FS::PathCombine(newValue, "bin")).absoluteFilePath("javaw.exe");
javas.append(javaVersion);
}
RegCloseKey(newKey);
}
}
}
}
RegCloseKey(jreKey);
}
return javas;
}
QList<QString> JavaUtils::FindJavaPaths()
{
QList<JavaInstallPtr> java_candidates;
// Oracle
QList<JavaInstallPtr> JRE64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\Java Runtime Environment", "JavaHome");
QList<JavaInstallPtr> JDK64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\Java Development Kit", "JavaHome");
QList<JavaInstallPtr> JRE32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\Java Runtime Environment", "JavaHome");
QList<JavaInstallPtr> JDK32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\Java Development Kit", "JavaHome");
// Oracle for Java 9 and newer
QList<JavaInstallPtr> NEWJRE64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\JRE", "JavaHome");
QList<JavaInstallPtr> NEWJDK64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\JavaSoft\\JDK", "JavaHome");
QList<JavaInstallPtr> NEWJRE32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\JRE", "JavaHome");
QList<JavaInstallPtr> NEWJDK32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\JavaSoft\\JDK", "JavaHome");
// AdoptOpenJDK
QList<JavaInstallPtr> ADOPTOPENJRE32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\AdoptOpenJDK\\JRE", "Path", "\\hotspot\\MSI");
QList<JavaInstallPtr> ADOPTOPENJRE64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\AdoptOpenJDK\\JRE", "Path", "\\hotspot\\MSI");
QList<JavaInstallPtr> ADOPTOPENJDK32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\AdoptOpenJDK\\JDK", "Path", "\\hotspot\\MSI");
QList<JavaInstallPtr> ADOPTOPENJDK64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\AdoptOpenJDK\\JDK", "Path", "\\hotspot\\MSI");
// Eclipse Foundation
QList<JavaInstallPtr> FOUNDATIONJDK32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\Eclipse Foundation\\JDK", "Path", "\\hotspot\\MSI");
QList<JavaInstallPtr> FOUNDATIONJDK64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\Eclipse Foundation\\JDK", "Path", "\\hotspot\\MSI");
// Eclipse Adoptium
QList<JavaInstallPtr> ADOPTIUMJRE32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\Eclipse Adoptium\\JRE", "Path", "\\hotspot\\MSI");
QList<JavaInstallPtr> ADOPTIUMJRE64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\Eclipse Adoptium\\JRE", "Path", "\\hotspot\\MSI");
QList<JavaInstallPtr> ADOPTIUMJDK32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\Eclipse Adoptium\\JDK", "Path", "\\hotspot\\MSI");
QList<JavaInstallPtr> ADOPTIUMJDK64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\Eclipse Adoptium\\JDK", "Path", "\\hotspot\\MSI");
// Microsoft
QList<JavaInstallPtr> MICROSOFTJDK64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\Microsoft\\JDK", "Path", "\\hotspot\\MSI");
// Azul Zulu
QList<JavaInstallPtr> ZULU64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\Azul Systems\\Zulu", "InstallationPath");
QList<JavaInstallPtr> ZULU32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\Azul Systems\\Zulu", "InstallationPath");
// BellSoft Liberica
QList<JavaInstallPtr> LIBERICA64s = this->FindJavaFromRegistryKey(
KEY_WOW64_64KEY, "SOFTWARE\\BellSoft\\Liberica", "InstallationPath");
QList<JavaInstallPtr> LIBERICA32s = this->FindJavaFromRegistryKey(
KEY_WOW64_32KEY, "SOFTWARE\\BellSoft\\Liberica", "InstallationPath");
// List x64 before x86
java_candidates.append(JRE64s);
java_candidates.append(NEWJRE64s);
java_candidates.append(ADOPTOPENJRE64s);
java_candidates.append(ADOPTIUMJRE64s);
java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre8/bin/javaw.exe"));
java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre7/bin/javaw.exe"));
java_candidates.append(MakeJavaPtr("C:/Program Files/Java/jre6/bin/javaw.exe"));
java_candidates.append(JDK64s);
java_candidates.append(NEWJDK64s);
java_candidates.append(ADOPTOPENJDK64s);
java_candidates.append(FOUNDATIONJDK64s);
java_candidates.append(ADOPTIUMJDK64s);
java_candidates.append(MICROSOFTJDK64s);
java_candidates.append(ZULU64s);
java_candidates.append(LIBERICA64s);
java_candidates.append(JRE32s);
java_candidates.append(NEWJRE32s);
java_candidates.append(ADOPTOPENJRE32s);
java_candidates.append(ADOPTIUMJRE32s);
java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre8/bin/javaw.exe"));
java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre7/bin/javaw.exe"));
java_candidates.append(MakeJavaPtr("C:/Program Files (x86)/Java/jre6/bin/javaw.exe"));
java_candidates.append(JDK32s);
java_candidates.append(NEWJDK32s);
java_candidates.append(ADOPTOPENJDK32s);
java_candidates.append(FOUNDATIONJDK32s);
java_candidates.append(ADOPTIUMJDK32s);
java_candidates.append(ZULU32s);
java_candidates.append(LIBERICA32s);
java_candidates.append(MakeJavaPtr(this->GetDefaultJava()->path));
QList<QString> candidates;
for(JavaInstallPtr java_candidate : java_candidates)
{
if(!candidates.contains(java_candidate->path))
{
candidates.append(java_candidate->path);
}
}
return addJavasFromEnv(candidates);
}
#elif defined(Q_OS_MAC)
QList<QString> JavaUtils::FindJavaPaths()
{
QList<QString> javas;
javas.append(this->GetDefaultJava()->path);
javas.append("/Applications/Xcode.app/Contents/Applications/Application Loader.app/Contents/MacOS/itms/java/bin/java");
javas.append("/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java");
javas.append("/System/Library/Frameworks/JavaVM.framework/Versions/Current/Commands/java");
QDir libraryJVMDir("/Library/Java/JavaVirtualMachines/");
QStringList libraryJVMJavas = libraryJVMDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
foreach (const QString &java, libraryJVMJavas) {
javas.append(libraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/bin/java");
javas.append(libraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/jre/bin/java");
}
QDir systemLibraryJVMDir("/System/Library/Java/JavaVirtualMachines/");
QStringList systemLibraryJVMJavas = systemLibraryJVMDir.entryList(QDir::Dirs | QDir::NoDotAndDotDot);
foreach (const QString &java, systemLibraryJVMJavas) {
javas.append(systemLibraryJVMDir.absolutePath() + "/" + java + "/Contents/Home/bin/java");
javas.append(systemLibraryJVMDir.absolutePath() + "/" + java + "/Contents/Commands/java");
}
return addJavasFromEnv(javas);
}
#elif defined(Q_OS_LINUX)
QList<QString> JavaUtils::FindJavaPaths()
{
qDebug() << "Linux Java detection incomplete - defaulting to \"java\"";
QList<QString> javas;
javas.append(this->GetDefaultJava()->path);
auto scanJavaDir = [&](const QString & dirPath)
{
QDir dir(dirPath);
if(!dir.exists())
return;
auto entries = dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::NoSymLinks);
for(auto & entry: entries)
{
QString prefix;
if(entry.isAbsolute())
{
prefix = entry.absoluteFilePath();
}
else
{
prefix = entry.filePath();
}
javas.append(FS::PathCombine(prefix, "jre/bin/java"));
javas.append(FS::PathCombine(prefix, "bin/java"));
}
};
// oracle RPMs
scanJavaDir("/usr/java");
// general locations used by distro packaging
scanJavaDir("/usr/lib/jvm");
scanJavaDir("/usr/lib64/jvm");
scanJavaDir("/usr/lib32/jvm");
// javas stored in PolyMC's folder
scanJavaDir("java");
// manually installed JDKs in /opt
scanJavaDir("/opt/jdk");
scanJavaDir("/opt/jdks");
// flatpak
scanJavaDir("/app/jdk");
return addJavasFromEnv(javas);
}
#else
QList<QString> JavaUtils::FindJavaPaths()
{
qDebug() << "Unknown operating system build - defaulting to \"java\"";
QList<QString> javas;
javas.append(this->GetDefaultJava()->path);
return addJavasFromEnv(javas);
}
#endif
QString JavaUtils::getJavaCheckPath()
{
return APPLICATION->getJarPath("JavaCheck.jar");
}