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/***************************************************************************
* Copyright (C) 2010 by Peter Penz <[email protected]> *
* *
* 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; either version 2 of the License, or *
* (at your option) any later version. *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "filenamesearchprotocol.h"
#include <KComponentData>
#include <KDirLister>
#include <KFileItem>
#include <KIO/NetAccess>
#include <KIO/Job>
#include <KUrl>
#include <kdemacros.h>
#include <ktemporaryfile.h>
#include <QCoreApplication>
#include <QEventLoop>
#include <QRegExp>
FileNameSearchProtocol::FileNameSearchProtocol( const QByteArray &pool, const QByteArray &app ) :
SlaveBase("search", pool, app),
m_checkContent(false),
m_regExp(0),
m_iteratedDirs()
{
}
FileNameSearchProtocol::~FileNameSearchProtocol()
{
cleanup();
}
void FileNameSearchProtocol::listDir(const KUrl& url)
{
cleanup();
const QString search = url.queryItem("search");
if (!search.isEmpty()) {
m_regExp = new QRegExp(search, Qt::CaseInsensitive, QRegExp::Wildcard);
}
m_checkContent = false;
const QString checkContent = url.queryItem("checkContent");
if (checkContent == QLatin1String("yes")) {
m_checkContent = true;
}
const QString urlString = url.queryItem("url");
searchDirectory(KUrl(urlString));
cleanup();
finished();
}
void FileNameSearchProtocol::searchDirectory(const KUrl& directory)
{
if (directory.path() == QLatin1String("/proc")) {
// Don't try to iterate the /proc directory of Linux
return;
}
// Get all items of the directory
KDirLister *dirLister = new KDirLister();
dirLister->setDelayedMimeTypes(false);
dirLister->setAutoErrorHandlingEnabled(false, 0);
dirLister->openUrl(directory);
QEventLoop eventLoop;
QObject::connect(dirLister, SIGNAL(canceled()), &eventLoop, SLOT(quit()));
QObject::connect(dirLister, SIGNAL(completed()), &eventLoop, SLOT(quit()));
eventLoop.exec();
// Visualize all items that match the search pattern
QList<KUrl> pendingDirs;
const KFileItemList items = dirLister->items();
foreach (const KFileItem& item, items) {
bool addItem = false;
if (!m_regExp || item.name().contains(*m_regExp)) {
addItem = true;
} else if (m_checkContent && item.mimetype().startsWith(QLatin1String("text/"))) {
addItem = contentContainsPattern(item.url());
}
if (addItem) {
KIO::UDSEntry entry = item.entry();
entry.insert(KIO::UDSEntry::UDS_URL, item.url().url() );
listEntry(entry,false);
}
if (item.isDir()) {
if (item.isLink()) {
// Assure that no endless searching is done in directories that
// have already been iterated.
const KUrl linkDest(item.url(), item.linkDest());
if (!m_iteratedDirs.contains(linkDest.path())) {
pendingDirs.append(linkDest);
}
} else {
pendingDirs.append(item.url());
}
}
}
listEntry(KIO::UDSEntry(), true);
m_iteratedDirs.insert(directory.path());
delete dirLister;
dirLister = 0;
// Recursively iterate all sub directories
foreach (const KUrl& pendingDir, pendingDirs) {
searchDirectory(pendingDir);
}
}
bool FileNameSearchProtocol::contentContainsPattern(const KUrl& fileName) const
{
Q_ASSERT(m_regExp);
QString path;
KTemporaryFile tempFile;
if (fileName.isLocalFile()) {
path = fileName.path();
} else if (tempFile.open()) {
KIO::Job* getJob = KIO::file_copy(fileName,
tempFile.fileName(),
-1,
KIO::Overwrite | KIO::HideProgressInfo);
if (!KIO::NetAccess::synchronousRun(getJob, 0)) {
// The non-local file could not be downloaded
return false;
}
path = tempFile.fileName();
} else {
// No temporary file could be created for downloading non-local files
return false;
}
QFile file(path);
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
return false;
}
QTextStream in(&file);
while (!in.atEnd()) {
const QString line = in.readLine();
if (line.contains(*m_regExp)) {
return true;
}
}
return false;
}
void FileNameSearchProtocol::cleanup()
{
delete m_regExp;
m_regExp = 0;
m_iteratedDirs.clear();
}
extern "C" int KDE_EXPORT kdemain( int argc, char **argv )
{
KComponentData instance("kio_search");
QCoreApplication app(argc, argv);
if (argc != 4) {
fprintf(stderr, "Usage: kio_filenamesearch protocol domain-socket1 domain-socket2\n");
exit(-1);
}
FileNameSearchProtocol slave(argv[2], argv[3]);
slave.dispatchLoop();
return 0;
}
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