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#include "util.h"
#include <QDebug>
#include <QDir>
#include <QFileInfo>
#include <QProcessEnvironment>
#include <QString>
#ifdef Q_OS_WIN
#include <windows.h>
#else
#include <sys/time.h>
#endif
#include <fcntl.h>
#include <unistd.h>
#include <cassert>
QProcessEnvironment Util::_env;
bool Util::_envInitialised;
/**
* @brief Util::initialiseEnvironment set the correct PATH for use with gpg, git
* etc.
*/
void Util::initialiseEnvironment() {
if (!_envInitialised) {
_env = QProcessEnvironment::systemEnvironment();
#ifdef __APPLE__
// TODO(annejan) checks here
QString path = _env.value("PATH");
if (!path.contains("/usr/local/MacGPG2/bin") &&
QFile("/usr/local/MacGPG2/bin").exists())
path += ":/usr/local/MacGPG2/bin";
if (!path.contains("/usr/local/bin"))
path += ":/usr/local/bin";
_env.insert("PATH", path);
#endif
_envInitialised = true;
}
}
/**
* @brief Util::findPasswordStore look for common .password-store folder
* location.
* @return
*/
QString Util::findPasswordStore() {
QString path;
initialiseEnvironment();
if (_env.contains("PASSWORD_STORE_DIR")) {
path = _env.value("PASSWORD_STORE_DIR");
} else {
#ifdef Q_OS_WIN
path = QDir::homePath() + QDir::separator() + "password-store" +
QDir::separator();
#else
path = QDir::homePath() + QDir::separator() + ".password-store" +
QDir::separator();
#endif
}
return Util::normalizeFolderPath(path);
}
/**
* @brief Util::normalizeFolderPath let's always end folders with a
* QDir::separator()
* @param path
* @return
*/
QString Util::normalizeFolderPath(QString path) {
if (!path.endsWith("/") && !path.endsWith(QDir::separator()))
path += QDir::separator();
return path;
}
/**
* @brief Util::findBinaryInPath search for executables.
* @param binary
* @return
*/
QString Util::findBinaryInPath(QString binary) {
initialiseEnvironment();
QString ret = "";
binary.prepend(QDir::separator());
if (_env.contains("PATH")) {
QString path = _env.value("PATH");
QStringList entries;
#ifndef Q_OS_WIN
entries = path.split(':');
if (entries.length() < 2) {
#endif
entries = path.split(';');
#ifndef Q_OS_WIN
}
#endif
foreach (QString entry, entries) {
QScopedPointer<QFileInfo> qfi(new QFileInfo(entry.append(binary)));
#ifdef Q_OS_WIN
if (!qfi->exists())
qfi.reset(new QFileInfo(entry.append(".exe")));
#endif
qDebug() << entry;
if (!qfi->isExecutable())
continue;
ret = qfi->absoluteFilePath();
break;
}
}
return ret;
}
/**
* @brief Util::checkConfig do we have prequisite settings?
* @param passStore
* @param passExecutable
* @param gpgExecutable
* @return
*/
bool Util::checkConfig(QString passStore, QString passExecutable,
QString gpgExecutable) {
return !QFile(passStore + ".gpg-id").exists() ||
(!QFile(passExecutable).exists() && !QFile(gpgExecutable).exists());
}
/**
* @brief Util::qSleep because . . windows sleep.
* @param ms
*/
void Util::qSleep(int ms) {
#ifdef Q_OS_WIN
Sleep(uint(ms));
#else
struct timespec ts = {ms / 1000, (ms % 1000) * 1000 * 1000};
nanosleep(&ts, NULL);
#endif
}
quint32 Util::boundedRandom(quint32 bound) {
static int fd = -1;
if (bound < 2)
return 0;
if (fd == -1)
assert((fd = open("/dev/urandom", O_RDONLY)) >= 0);
quint32 randval;
const quint32 max_mod_bound = (1 + ~bound) % bound;
do
assert(read(fd, &randval, sizeof(randval)) == sizeof(randval));
while (randval < max_mod_bound);
return randval % bound;
}
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