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
|
// 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 "CheckJava.h"
#include "java/JavaUtils.h"
#include <launch/LaunchTask.h>
#include <FileSystem.h>
#include <QStandardPaths>
#include <QFileInfo>
#include <sys.h>
void CheckJava::executeTask()
{
auto instance = m_parent->instance();
auto settings = instance->settings();
m_javaPath = FS::ResolveExecutable(settings->get("JavaPath").toString());
bool perInstance = settings->get("OverrideJava").toBool() || settings->get("OverrideJavaLocation").toBool();
auto realJavaPath = QStandardPaths::findExecutable(m_javaPath);
if (realJavaPath.isEmpty())
{
if (perInstance)
{
emit logLine(
QString("The java binary \"%1\" couldn't be found. Please fix the java path "
"override in the instance's settings or disable it.").arg(m_javaPath),
MessageLevel::Warning);
}
else
{
emit logLine(QString("The java binary \"%1\" couldn't be found. Please set up java in "
"the settings.").arg(m_javaPath),
MessageLevel::Warning);
}
emitFailed(QString("Java path is not valid."));
return;
}
else
{
emit logLine("Java path is:\n" + m_javaPath + "\n\n", MessageLevel::Launcher);
}
if (JavaUtils::getJavaCheckPath().isEmpty())
{
const char *reason = QT_TR_NOOP("Java checker library could not be found. Please check your installation.");
emit logLine(tr(reason), MessageLevel::Fatal);
emitFailed(tr(reason));
return;
}
QFileInfo javaInfo(realJavaPath);
qint64 javaUnixTime = javaInfo.lastModified().toMSecsSinceEpoch();
auto storedSignature = settings->get("JavaSignature").toString();
auto storedArchitecture = settings->get("JavaArchitecture").toString();
auto storedRealArchitecture = settings->get("JavaRealArchitecture").toString();
auto storedVersion = settings->get("JavaVersion").toString();
auto storedVendor = settings->get("JavaVendor").toString();
QCryptographicHash hash(QCryptographicHash::Sha1);
hash.addData(QByteArray::number(javaUnixTime));
hash.addData(m_javaPath.toUtf8());
m_javaSignature = hash.result().toHex();
// if timestamps are not the same, or something is missing, check!
if (m_javaSignature != storedSignature || storedVersion.size() == 0
|| storedArchitecture.size() == 0 || storedRealArchitecture.size() == 0
|| storedVendor.size() == 0)
{
m_JavaChecker.reset(new JavaChecker);
emit logLine(QString("Checking Java version..."), MessageLevel::Launcher);
connect(m_JavaChecker.get(), &JavaChecker::checkFinished, this, &CheckJava::checkJavaFinished);
m_JavaChecker->m_path = realJavaPath;
m_JavaChecker->performCheck();
return;
}
else
{
auto verString = instance->settings()->get("JavaVersion").toString();
auto archString = instance->settings()->get("JavaArchitecture").toString();
auto realArchString = settings->get("JavaRealArchitecture").toString();
auto vendorString = instance->settings()->get("JavaVendor").toString();
printJavaInfo(verString, archString, realArchString, vendorString);
}
emitSucceeded();
}
void CheckJava::checkJavaFinished(JavaCheckResult result)
{
switch (result.validity)
{
case JavaCheckResult::Validity::Errored:
{
// Error message displayed if java can't start
emit logLine(QString("Could not start java:"), MessageLevel::Error);
emit logLines(result.errorLog.split('\n'), MessageLevel::Error);
emit logLine(QString("\nCheck your Java settings."), MessageLevel::Launcher);
emitFailed(QString("Could not start java!"));
return;
}
case JavaCheckResult::Validity::ReturnedInvalidData:
{
emit logLine(QString("Java checker returned some invalid data we don't understand:"), MessageLevel::Error);
emit logLines(result.outLog.split('\n'), MessageLevel::Warning);
emit logLine("\nMinecraft might not start properly.", MessageLevel::Launcher);
emitSucceeded();
return;
}
case JavaCheckResult::Validity::Valid:
{
auto instance = m_parent->instance();
printJavaInfo(result.javaVersion.toString(), result.mojangPlatform, result.realPlatform, result.javaVendor);
instance->settings()->set("JavaVersion", result.javaVersion.toString());
instance->settings()->set("JavaArchitecture", result.mojangPlatform);
instance->settings()->set("JavaRealArchitecture", result.realPlatform);
instance->settings()->set("JavaVendor", result.javaVendor);
instance->settings()->set("JavaSignature", m_javaSignature);
emitSucceeded();
return;
}
}
}
void CheckJava::printJavaInfo(const QString& version, const QString& architecture, const QString& realArchitecture, const QString & vendor)
{
emit logLine(QString("Java is version %1, using %2 (%3) architecture, from %4.\n\n")
.arg(version, architecture, realArchitecture, vendor), MessageLevel::Launcher);
}
|
