150 lines
3.7 KiB
C++
150 lines
3.7 KiB
C++
#include "DesktopServices.h"
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#include <QDir>
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#include <QDesktopServices>
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#include <QProcess>
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#include <QDebug>
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/**
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* This shouldn't exist, but until QTBUG-9328 and other unreported bugs are fixed, it needs to be a thing.
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*/
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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#include <unistd.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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template <typename T>
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bool IndirectOpen(T callable, qint64 *pid_forked = nullptr)
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{
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auto pid = fork();
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if(pid_forked)
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{
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if(pid > 0)
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*pid_forked = pid;
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else
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*pid_forked = 0;
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}
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if(pid == -1)
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{
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qWarning() << "IndirectOpen failed to fork: " << errno;
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return false;
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}
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// child - do the stuff
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if(pid == 0)
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{
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// unset all this garbage so it doesn't get passed to the child process
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qunsetenv("LD_PRELOAD");
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qunsetenv("LD_LIBRARY_PATH");
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qunsetenv("LD_DEBUG");
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qunsetenv("QT_PLUGIN_PATH");
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qunsetenv("QT_FONTPATH");
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// open the URL
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auto status = callable();
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// detach from the parent process group.
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setsid();
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// die. now. do not clean up anything, it would just hang forever.
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_exit(status ? 0 : 1);
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}
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else
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{
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//parent - assume it worked.
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int status;
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while (waitpid(pid, &status, 0))
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{
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if(WIFEXITED(status))
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{
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return WEXITSTATUS(status) == 0;
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}
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if(WIFSIGNALED(status))
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{
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return false;
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}
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}
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return true;
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}
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}
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#endif
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namespace DesktopServices {
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bool openDirectory(const QString &path, bool ensureExists)
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{
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qDebug() << "Opening directory" << path;
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QDir parentPath;
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QDir dir(path);
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if (!dir.exists())
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{
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parentPath.mkpath(dir.absolutePath());
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}
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auto f = [&]()
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{
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return QDesktopServices::openUrl(QUrl::fromLocalFile(dir.absolutePath()));
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};
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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return IndirectOpen(f);
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#else
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return f();
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#endif
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}
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bool openFile(const QString &path)
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{
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qDebug() << "Opening file" << path;
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auto f = [&]()
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{
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return QDesktopServices::openUrl(QUrl::fromLocalFile(path));
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};
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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return IndirectOpen(f);
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#else
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return f();
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#endif
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}
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bool openFile(const QString &application, const QString &path, const QString &workingDirectory, qint64 *pid)
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{
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qDebug() << "Opening file" << path << "using" << application;
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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// FIXME: the pid here is fake. So if something depends on it, it will likely misbehave
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return IndirectOpen([&]()
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{
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return QProcess::startDetached(application, QStringList() << path, workingDirectory);
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}, pid);
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#else
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return QProcess::startDetached(application, QStringList() << path, workingDirectory, pid);
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#endif
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}
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bool run(const QString &application, const QStringList &args, const QString &workingDirectory, qint64 *pid)
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{
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qDebug() << "Running" << application << "with args" << args.join(' ');
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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// FIXME: the pid here is fake. So if something depends on it, it will likely misbehave
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return IndirectOpen([&]()
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{
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return QProcess::startDetached(application, args, workingDirectory);
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}, pid);
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#else
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return QProcess::startDetached(application, args, workingDirectory, pid);
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#endif
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}
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bool openUrl(const QUrl &url)
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{
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qDebug() << "Opening URL" << url.toString();
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auto f = [&]()
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{
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return QDesktopServices::openUrl(url);
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};
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#if defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD)
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return IndirectOpen(f);
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#else
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return f();
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#endif
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}
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}
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