looqs/shared/common.cpp

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#include <QProcessEnvironment>
#include <QSettings>
#include <QStandardPaths>
#include <QDir>
#include <QSqlDatabase>
#include <QSqlQuery>
#include <QSqlError>
#include <QTextStream>
#include <QDebug>
#include <QMimeDatabase>
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#include "looqsgeneralexception.h"
#include "common.h"
#include "dbmigrator.h"
#include "databasefactory.h"
#include "logger.h"
inline void initResources()
{
Q_INIT_RESOURCE(migrations);
Q_INIT_RESOURCE(plaintexts);
}
bool Common::initSqliteDatabase(QString path)
{
QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName(path);
if(!db.open())
{
qDebug() << "failed to open database: " << path;
return false;
}
initResources();
DBMigrator migrator{db};
migrator.performMigrations();
db.close();
return true;
}
QString Common::findInPath(QString needle)
{
QStringList results;
QString pathVar = QProcessEnvironment::systemEnvironment().value("PATH", "/usr/bin/:/bin/:");
QStringList paths = pathVar.split(":");
for(const QString &path : paths)
{
// TODO: can pass ../ but so be it for now.
QFileInfo info{path + "/" + needle};
if(info.exists())
{
return info.absoluteFilePath();
}
}
return "";
}
void Common::setPdfViewer()
{
QString value;
/* TODO: well, we should query this probably from xdg*/
QString okularPath = findInPath("okular");
QString evincePath = findInPath("evince");
QString qpdfviewPath = findInPath("qpdfview");
if(okularPath != "")
{
value = okularPath + " %f -p %p";
}
else if(evincePath != "")
{
value = evincePath + "-i %p %f";
}
else if(qpdfviewPath != "")
{
value = qpdfviewPath + "%f#%p";
}
QSettings settings;
if(value != "")
{
settings.setValue(SETTINGS_KEY_PDFVIEWER, value);
}
}
void Common::ensureConfigured()
{
QSettings settings;
QString dbpath = databasePath();
if(dbpath == "")
{
dbpath = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation);
QDir dir;
if(!dir.exists(dbpath))
{
if(!dir.mkpath(dbpath))
{
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throw LooqsGeneralException("Failed to create dbpath directory");
}
}
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dbpath += "/looqs.sqlite";
}
if(!QFile::exists(dbpath))
{
if(!initSqliteDatabase(dbpath))
{
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throw LooqsGeneralException("Failed to initialize sqlite database");
}
settings.setValue(SETTINGS_KEY_DBPATH, dbpath);
}
DatabaseFactory factory{dbpath};
auto db = factory.forCurrentThread();
DBMigrator migrator{db};
if(migrator.migrationNeeded())
{
QFile out;
out.open(stderr, QIODevice::WriteOnly);
Logger migrationLogger{&out};
migrationLogger << "Database is being upgraded, please be patient..." << Qt::endl;
QObject::connect(&migrator, &DBMigrator::migrationDone,
[&migrationLogger](uint32_t migration)
{ migrationLogger << "Progress: Successfully migrated to: " << migration << Qt::endl; });
migrator.performMigrations();
migrationLogger << "Database upgraded successfully" << Qt::endl;
}
QVariant pdfViewer = settings.value(SETTINGS_KEY_PDFVIEWER);
if(!pdfViewer.isValid())
{
setPdfViewer();
}
}
void Common::setupAppInfo()
{
QCoreApplication::setOrganizationName("quitesimple.org");
QCoreApplication::setOrganizationDomain("quitesimple.org");
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QCoreApplication::setApplicationName("looqs");
}
QString Common::databasePath()
{
QString env = QProcessEnvironment::systemEnvironment().value("LOOQS_DB_OVERRIDE");
if(env == "")
{
QSettings settings;
return settings.value(SETTINGS_KEY_DBPATH).toString();
}
return env;
}
bool Common::noSandboxModeRequested()
{
QString env = getenv("LOOQS_DISABLE_SANDBOX");
if(env == "1")
{
return true;
}
return false;
}
QString Common::ipcSocketPath()
{
return "/tmp/.looqs/looqs-ipc-socket";
/* May not a good idea to set it in the settings and probably nobody would ever bother to change it anyway */
// QSettings settings;
// return settings.value(SETTINGS_KEY_IPCSOCKETPATH, "/tmp/.looqs/looqs-ipc-socket").toString();
}
QStringList Common::excludedPaths()
{
static int ran = false;
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static QStringList excludedPaths;
if(!ran)
{
QSettings settings;
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QStringList defaults{"/proc", "/sys", "/dev", "/tmp", "/var/run", "/run"};
excludedPaths = settings.value(SETTINGS_KEY_EXCLUDEDPATHS, defaults).toStringList();
ran = true;
}
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return excludedPaths;
}
QStringList Common::mountPaths()
{
static int ran = false;
static QStringList mountPaths;
if(!ran)
{
QSettings settings;
mountPaths = settings.value(SETTINGS_KEY_MOUNTPATHS, QStringList{"/media", "/mnt"}).toStringList();
ran = true;
}
return mountPaths;
}
bool Common::isMountPath(QString path)
{
QStringList mountPaths = Common::mountPaths();
for(QString &mountPath : mountPaths)
{
if(path.startsWith(mountPath))
{
return true;
}
}
return false;
}
bool Common::isTextFile(QFileInfo fileInfo)
{
/* TODO: This is not sandboxed yet ... */
QMimeDatabase mimeDatabase;
QMimeType mimeType = mimeDatabase.mimeTypeForFile(fileInfo);
if(mimeType.name().startsWith("text/"))
{
return true;
}
else
{
for(QString &str : mimeType.allAncestors())
{
if(str.startsWith("text/"))
{
return true;
}
}
}
return false;
}
QString Common::versionText()
{
QString commitid = GIT_COMMIT_ID;
QString tag = GIT_TAG;
return tag + " (" + commitid + ") built " + __DATE__ + " " + __TIME__;
}