tdesktop/Telegram/SourceFiles/pspecific_linux.cpp

662 lines
18 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop 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, either version 3 of the License, or
(at your option) any later version.
It 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.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
*/
#include "stdafx.h"
#include "pspecific.h"
#include "platform/linux/linux_libs.h"
#include "lang.h"
#include "application.h"
#include "mainwidget.h"
#include "localstorage.h"
#include <sys/stat.h>
#include <sys/types.h>
#include <cstdlib>
#include <unistd.h>
#include <dirent.h>
#include <pwd.h>
#include <iostream>
using namespace Platform;
namespace {
QByteArray escapeShell(const QByteArray &str) {
QByteArray result;
const char *b = str.constData(), *e = str.constEnd();
for (const char *ch = b; ch != e; ++ch) {
if (*ch == ' ' || *ch == '"' || *ch == '\'' || *ch == '\\') {
if (result.isEmpty()) {
result.reserve(str.size() * 2);
}
if (ch > b) {
result.append(b, ch - b);
}
result.append('\\');
b = ch;
}
}
if (result.isEmpty()) return str;
if (e > b) {
result.append(b, e - b);
}
return result;
}
class _PsEventFilter : public QAbstractNativeEventFilter {
public:
bool nativeEventFilter(const QByteArray &eventType, void *message, long *result) {
//auto wnd = App::wnd();
//if (!wnd) return false;
return false;
}
};
_PsEventFilter *_psEventFilter = nullptr;
QRect _monitorRect;
uint64 _monitorLastGot = 0;
} // namespace
QRect psDesktopRect() {
uint64 tnow = getms();
if (tnow > _monitorLastGot + 1000 || tnow < _monitorLastGot) {
_monitorLastGot = tnow;
_monitorRect = QApplication::desktop()->availableGeometry(App::wnd());
}
return _monitorRect;
}
void psShowOverAll(QWidget *w, bool canFocus) {
w->show();
}
void psBringToBack(QWidget *w) {
w->hide();
}
QAbstractNativeEventFilter *psNativeEventFilter() {
delete _psEventFilter;
_psEventFilter = new _PsEventFilter();
return _psEventFilter;
}
void psWriteDump() {
}
QString demanglestr(const QString &mangled) {
if (mangled.isEmpty()) return mangled;
QByteArray cmd = ("c++filt -n " + mangled).toUtf8();
FILE *f = popen(cmd.constData(), "r");
if (!f) return "BAD_SYMBOL_" + mangled;
QString result;
char buffer[4096] = { 0 };
while (!feof(f)) {
if (fgets(buffer, 4096, f) != NULL) {
result += buffer;
}
}
pclose(f);
return result.trimmed();
}
QStringList addr2linestr(uint64 *addresses, int count) {
QStringList result;
if (!count) return result;
result.reserve(count);
QByteArray cmd = "addr2line -e " + escapeShell(QFile::encodeName(cExeDir() + cExeName()));
for (int i = 0; i < count; ++i) {
if (addresses[i]) {
cmd += qsl(" 0x%1").arg(addresses[i], 0, 16).toUtf8();
}
}
FILE *f = popen(cmd.constData(), "r");
QStringList addr2lineResult;
if (f) {
char buffer[4096] = {0};
while (!feof(f)) {
if (fgets(buffer, 4096, f) != NULL) {
addr2lineResult.push_back(QString::fromUtf8(buffer));
}
}
pclose(f);
}
for (int i = 0, j = 0; i < count; ++i) {
if (addresses[i]) {
if (j < addr2lineResult.size() && !addr2lineResult.at(j).isEmpty() && !addr2lineResult.at(j).startsWith(qstr("0x"))) {
QString res = addr2lineResult.at(j).trimmed();
if (int index = res.indexOf(qstr("/Telegram/"))) {
if (index > 0) {
res = res.mid(index + qstr("/Telegram/").size());
}
}
result.push_back(res);
} else {
result.push_back(QString());
}
++j;
} else {
result.push_back(QString());
}
}
return result;
}
QString psPrepareCrashDump(const QByteArray &crashdump, QString dumpfile) {
QString initial = QString::fromUtf8(crashdump), result;
QStringList lines = initial.split('\n');
result.reserve(initial.size());
int32 i = 0, l = lines.size();
while (i < l) {
uint64 addresses[1024] = { 0 };
for (; i < l; ++i) {
result.append(lines.at(i)).append('\n');
QString line = lines.at(i).trimmed();
if (line == qstr("Backtrace:")) {
++i;
break;
}
}
int32 start = i;
for (; i < l; ++i) {
QString line = lines.at(i).trimmed();
if (line.isEmpty()) break;
QRegularExpressionMatch m1 = QRegularExpression(qsl("^(.+)\\(([^+]+)\\+([^\\)]+)\\)\\[(.+)\\]$")).match(line);
QRegularExpressionMatch m2 = QRegularExpression(qsl("^(.+)\\[(.+)\\]$")).match(line);
QString addrstr = m1.hasMatch() ? m1.captured(4) : (m2.hasMatch() ? m2.captured(2) : QString());
if (!addrstr.isEmpty()) {
uint64 addr = addrstr.startsWith(qstr("0x")) ? addrstr.mid(2).toULongLong(0, 16) : addrstr.toULongLong();
if (addr > 1) {
addresses[i - start] = addr;
}
}
}
QStringList addr2line = addr2linestr(addresses, i - start);
for (i = start; i < l; ++i) {
QString line = lines.at(i).trimmed();
if (line.isEmpty()) break;
result.append(qsl("\n%1. ").arg(i - start));
if (line.startsWith(qstr("ERROR: "))) {
result.append(line).append('\n');
continue;
}
if (line == qstr("[0x1]")) {
result.append(qsl("(0x1 separator)\n"));
continue;
}
QRegularExpressionMatch m1 = QRegularExpression(qsl("^(.+)\\(([^+]*)\\+([^\\)]+)\\)(.+)$")).match(line);
QRegularExpressionMatch m2 = QRegularExpression(qsl("^(.+)\\[(.+)\\]$")).match(line);
if (!m1.hasMatch() && !m2.hasMatch()) {
result.append(qstr("BAD LINE: ")).append(line).append('\n');
continue;
}
if (m1.hasMatch()) {
result.append(demanglestr(m1.captured(2))).append(qsl(" + ")).append(m1.captured(3)).append(qsl(" [")).append(m1.captured(1)).append(qsl("] "));
if (!addr2line.at(i - start).isEmpty() && addr2line.at(i - start) != qsl("??:0")) {
result.append(qsl(" (")).append(addr2line.at(i - start)).append(qsl(")\n"));
} else {
result.append(m1.captured(4)).append(qsl(" (demangled)")).append('\n');
}
} else {
result.append('[').append(m2.captured(1)).append(']');
if (!addr2line.at(i - start).isEmpty() && addr2line.at(i - start) != qsl("??:0")) {
result.append(qsl(" (")).append(addr2line.at(i - start)).append(qsl(")\n"));
} else {
result.append(' ').append(m2.captured(2)).append('\n');
}
}
}
}
return result;
}
bool _removeDirectory(const QString &path) { // from http://stackoverflow.com/questions/2256945/removing-a-non-empty-directory-programmatically-in-c-or-c
QByteArray pathRaw = QFile::encodeName(path);
DIR *d = opendir(pathRaw.constData());
if (!d) return false;
while (struct dirent *p = readdir(d)) {
/* Skip the names "." and ".." as we don't want to recurse on them. */
if (!strcmp(p->d_name, ".") || !strcmp(p->d_name, "..")) continue;
QString fname = path + '/' + p->d_name;
QByteArray fnameRaw = QFile::encodeName(fname);
struct stat statbuf;
if (!stat(fnameRaw.constData(), &statbuf)) {
if (S_ISDIR(statbuf.st_mode)) {
if (!_removeDirectory(fname)) {
closedir(d);
return false;
}
} else {
if (unlink(fnameRaw.constData())) {
closedir(d);
return false;
}
}
}
}
closedir(d);
return !rmdir(pathRaw.constData());
}
void psDeleteDir(const QString &dir) {
_removeDirectory(dir);
}
namespace {
uint64 _lastUserAction = 0;
} // namespace
void psUserActionDone() {
_lastUserAction = getms(true);
}
bool psIdleSupported() {
return false;
}
uint64 psIdleTime() {
return getms(true) - _lastUserAction;
}
void psActivateProcess(uint64 pid) {
// objc_activateProgram();
}
QString psCurrentCountry() {
QString country;// = objc_currentCountry();
return country.isEmpty() ? QString::fromLatin1(DefaultCountry) : country;
}
QString psCurrentLanguage() {
QString lng;// = objc_currentLang();
return lng.isEmpty() ? QString::fromLatin1(DefaultLanguage) : lng;
}
namespace {
QString getHomeDir() {
struct passwd *pw = getpwuid(getuid());
return (pw && pw->pw_dir && strlen(pw->pw_dir)) ? (QFile::decodeName(pw->pw_dir) + '/') : QString();
}
} // namespace
QString psAppDataPath() {
// Previously we used ~/.TelegramDesktop, so look there first.
// If we find data there, we should still use it.
auto home = getHomeDir();
if (!home.isEmpty()) {
auto oldPath = home + qsl(".TelegramDesktop/");
auto oldSettingsBase = oldPath + qsl("tdata/settings");
if (QFile(oldSettingsBase + '0').exists() || QFile(oldSettingsBase + '1').exists()) {
return oldPath;
}
}
return QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation) + '/';
}
QString psDownloadPath() {
return QStandardPaths::writableLocation(QStandardPaths::DownloadLocation) + '/' + str_const_toString(AppName) + '/';
}
QString psCurrentExeDirectory(int argc, char *argv[]) {
QString first = argc ? QFile::decodeName(argv[0]) : QString();
if (!first.isEmpty()) {
QFileInfo info(first);
if (info.isSymLink()) {
info = info.symLinkTarget();
}
if (info.exists()) {
return QDir(info.absolutePath()).absolutePath() + '/';
}
}
return QString();
}
QString psCurrentExeName(int argc, char *argv[]) {
QString first = argc ? QFile::decodeName(argv[0]) : QString();
if (!first.isEmpty()) {
QFileInfo info(first);
if (info.isSymLink()) {
info = info.symLinkTarget();
}
if (info.exists()) {
return info.fileName();
}
}
return QString();
}
void psDoCleanup() {
try {
psAutoStart(false, true);
psSendToMenu(false, true);
} catch (...) {
}
}
int psCleanup() {
psDoCleanup();
return 0;
}
void psDoFixPrevious() {
}
int psFixPrevious() {
psDoFixPrevious();
return 0;
}
void psPostprocessFile(const QString &name) {
}
void psOpenFile(const QString &name, bool openWith) {
QDesktopServices::openUrl(QUrl::fromLocalFile(name));
}
void psShowInFolder(const QString &name) {
Ui::hideLayer(true);
system(("xdg-open " + escapeShell(QFile::encodeName(QFileInfo(name).absoluteDir().absolutePath()))).constData());
}
namespace Platform {
void start() {
}
void finish() {
delete _psEventFilter;
_psEventFilter = nullptr;
}
void SetWatchingMediaKeys(bool watching) {
}
namespace ThirdParty {
void start() {
Libs::start();
MainWindow::LibsLoaded();
}
void finish() {
}
} // namespace ThirdParty
} // namespace Platform
namespace {
bool _psRunCommand(const QByteArray &command) {
int result = system(command.constData());
if (result) {
DEBUG_LOG(("App Error: command failed, code: %1, command (in utf8): %2").arg(result).arg(command.constData()));
return false;
}
DEBUG_LOG(("App Info: command succeeded, command (in utf8): %1").arg(command.constData()));
return true;
}
} // namespace
void psRegisterCustomScheme() {
#ifndef TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
auto home = getHomeDir();
if (home.isEmpty() || cBetaVersion()) return; // don't update desktop file for beta version
#ifndef TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
DEBUG_LOG(("App Info: placing .desktop file"));
if (QDir(home + qsl(".local/")).exists()) {
QString apps = home + qsl(".local/share/applications/");
QString icons = home + qsl(".local/share/icons/");
if (!QDir(apps).exists()) QDir().mkpath(apps);
if (!QDir(icons).exists()) QDir().mkpath(icons);
QString path = cWorkingDir() + qsl("tdata/"), file = path + qsl("telegramdesktop.desktop");
QDir().mkpath(path);
QFile f(file);
if (f.open(QIODevice::WriteOnly)) {
QString icon = icons + qsl("telegram.png");
if (!QFile(icon).exists()) {
if (QFile(qsl(":/gui/art/icon256.png")).copy(icon)) {
DEBUG_LOG(("App Info: Icon copied to 'tdata'"));
}
}
QTextStream s(&f);
s.setCodec("UTF-8");
s << "[Desktop Entry]\n";
s << "Encoding=UTF-8\n";
s << "Version=1.0\n";
s << "Name=Telegram Desktop\n";
s << "Comment=Official desktop version of Telegram messaging app\n";
s << "Exec=" << escapeShell(QFile::encodeName(cExeDir() + cExeName())) << " -- %u\n";
s << "Icon=telegram\n";
s << "Terminal=false\n";
s << "StartupWMClass=Telegram\n";
s << "Type=Application\n";
s << "Categories=Network;\n";
s << "MimeType=x-scheme-handler/tg;\n";
f.close();
if (_psRunCommand("desktop-file-install --dir=" + escapeShell(QFile::encodeName(home + qsl(".local/share/applications"))) + " --delete-original " + escapeShell(QFile::encodeName(file)))) {
DEBUG_LOG(("App Info: removing old .desktop file"));
QFile(qsl("%1.local/share/applications/telegram.desktop").arg(home)).remove();
_psRunCommand("update-desktop-database " + escapeShell(QFile::encodeName(home + qsl(".local/share/applications"))));
_psRunCommand("xdg-mime default telegramdesktop.desktop x-scheme-handler/tg");
}
} else {
LOG(("App Error: Could not open '%1' for write").arg(file));
}
}
#endif // !TDESKTOP_DISABLE_DESKTOP_FILE_GENERATION
DEBUG_LOG(("App Info: registerting for Gnome"));
if (_psRunCommand("gconftool-2 -t string -s /desktop/gnome/url-handlers/tg/command " + escapeShell(escapeShell(QFile::encodeName(cExeDir() + cExeName())) + " -- %s"))) {
_psRunCommand("gconftool-2 -t bool -s /desktop/gnome/url-handlers/tg/needs_terminal false");
_psRunCommand("gconftool-2 -t bool -s /desktop/gnome/url-handlers/tg/enabled true");
}
DEBUG_LOG(("App Info: placing .protocol file"));
QString services;
if (QDir(home + qsl(".kde4/")).exists()) {
services = home + qsl(".kde4/share/kde4/services/");
} else if (QDir(home + qsl(".kde/")).exists()) {
services = home + qsl(".kde/share/kde4/services/");
}
if (!services.isEmpty()) {
if (!QDir(services).exists()) QDir().mkpath(services);
QString path = services, file = path + qsl("tg.protocol");
QFile f(file);
if (f.open(QIODevice::WriteOnly)) {
QTextStream s(&f);
s.setCodec("UTF-8");
s << "[Protocol]\n";
s << "exec=" << QFile::decodeName(escapeShell(QFile::encodeName(cExeDir() + cExeName()))) << " -- %u\n";
s << "protocol=tg\n";
s << "input=none\n";
s << "output=none\n";
s << "helper=true\n";
s << "listing=false\n";
s << "reading=false\n";
s << "writing=false\n";
s << "makedir=false\n";
s << "deleting=false\n";
f.close();
} else {
LOG(("App Error: Could not open '%1' for write").arg(file));
}
}
#endif // !TDESKTOP_DISABLE_REGISTER_CUSTOM_SCHEME
}
void psNewVersion() {
psRegisterCustomScheme();
}
bool _execUpdater(bool update = true, const QString &crashreport = QString()) {
static const int MaxLen = 65536, MaxArgsCount = 128;
char path[MaxLen] = {0};
QByteArray data(QFile::encodeName(cExeDir() + "Updater"));
memcpy(path, data.constData(), data.size());
char *args[MaxArgsCount] = {0}, p_noupdate[] = "-noupdate", p_autostart[] = "-autostart", p_debug[] = "-debug", p_tosettings[] = "-tosettings", p_key[] = "-key", p_path[] = "-workpath", p_startintray[] = "-startintray", p_testmode[] = "-testmode", p_crashreport[] = "-crashreport";
char p_datafile[MaxLen] = {0}, p_pathbuf[MaxLen] = {0}, p_crashreportbuf[MaxLen] = {0};
int argIndex = 0;
args[argIndex++] = path;
if (!update) {
args[argIndex++] = p_noupdate;
args[argIndex++] = p_tosettings;
}
if (cLaunchMode() == LaunchModeAutoStart) args[argIndex++] = p_autostart;
if (cDebug()) args[argIndex++] = p_debug;
if (cStartInTray()) args[argIndex++] = p_startintray;
if (cTestMode()) args[argIndex++] = p_testmode;
if (cDataFile() != qsl("data")) {
QByteArray dataf = QFile::encodeName(cDataFile());
if (dataf.size() < MaxLen) {
memcpy(p_datafile, dataf.constData(), dataf.size());
args[argIndex++] = p_key;
args[argIndex++] = p_datafile;
}
}
QByteArray pathf = QFile::encodeName(cWorkingDir());
if (pathf.size() < MaxLen) {
memcpy(p_pathbuf, pathf.constData(), pathf.size());
args[argIndex++] = p_path;
args[argIndex++] = p_pathbuf;
}
if (!crashreport.isEmpty()) {
QByteArray crashreportf = QFile::encodeName(crashreport);
if (crashreportf.size() < MaxLen) {
memcpy(p_crashreportbuf, crashreportf.constData(), crashreportf.size());
args[argIndex++] = p_crashreport;
args[argIndex++] = p_crashreportbuf;
}
}
Logs::closeMain();
SignalHandlers::finish();
pid_t pid = fork();
switch (pid) {
case -1: return false;
case 0: execv(path, args); return false;
}
return true;
}
void psExecUpdater() {
if (!_execUpdater()) {
psDeleteDir(cWorkingDir() + qsl("tupdates/temp"));
}
}
void psExecTelegram(const QString &crashreport) {
_execUpdater(false, crashreport);
}
bool psShowOpenWithMenu(int x, int y, const QString &file) {
return false;
}
void psAutoStart(bool start, bool silent) {
}
void psSendToMenu(bool send, bool silent) {
}
void psUpdateOverlayed(QWidget *widget) {
}
bool linuxMoveFile(const char *from, const char *to) {
FILE *ffrom = fopen(from, "rb"), *fto = fopen(to, "wb");
if (!ffrom) {
if (fto) fclose(fto);
return false;
}
if (!fto) {
fclose(ffrom);
return false;
}
static const int BufSize = 65536;
char buf[BufSize];
while (size_t size = fread(buf, 1, BufSize, ffrom)) {
fwrite(buf, 1, size, fto);
}
struct stat fst; // from http://stackoverflow.com/questions/5486774/keeping-fileowner-and-permissions-after-copying-file-in-c
//let's say this wont fail since you already worked OK on that fp
if (fstat(fileno(ffrom), &fst) != 0) {
fclose(ffrom);
fclose(fto);
return false;
}
//update to the same uid/gid
if (fchown(fileno(fto), fst.st_uid, fst.st_gid) != 0) {
fclose(ffrom);
fclose(fto);
return false;
}
//update the permissions
if (fchmod(fileno(fto), fst.st_mode) != 0) {
fclose(ffrom);
fclose(fto);
return false;
}
fclose(ffrom);
fclose(fto);
if (unlink(from)) {
return false;
}
return true;
}
bool psLaunchMaps(const LocationCoords &coords) {
return false;
}