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// SPDX-License-Identifier: GPL-2.0-or-later
#include "fqterm.h"
#include "fqterm_path.h"
#include "fqterm_http.h"
#include "fqterm_config.h"
#include "fqterm_filedialog.h"
namespace FQTerm {
QMap<QString, int> FQTermHttp::downloadMap_;
QMutex FQTermHttp::mutex_;
FQTermHttp::FQTermHttp(FQTermConfig *config, QWidget *p, const QString &poolDir, int serverEncodingID)
: nam_(new QNetworkAccessManager), poolDir_(poolDir) {
// m_pDialog = NULL;
config_ = config;
serverEncodingID_ = serverEncodingID;
}
FQTermHttp::~FQTermHttp() {
}
void FQTermHttp::cancel() {
if(netreply_){
netreply_->abort();
}
if (QFile::exists(cacheFileName_)) {
QFile::remove(cacheFileName_);
}
emit done(this);
}
void FQTermHttp::getLink(const QString &url, bool preview) {
QUrl u(url);
getLink(u,preview);
}
void FQTermHttp::getLink(const QUrl& url, bool preview) {
QUrl u=url;
isExisting_ = false;
isPreview_ = preview;
previewEmitted = false;
lastPercent_ = 0;
if (u.isRelative() || u.scheme() == "file") {
emit previewImage(cacheFileName_, false, true);
emit done(this);
return ;
}
if (QFile::exists(getPath(USER_CONFIG) + "hosts.cfg")) {
config_ = new FQTermConfig(getPath(USER_CONFIG) + "hosts.cfg");
QString strTmp = config_->getItemValue("hosts", u.host().toLocal8Bit());
if (!strTmp.isEmpty()) {
QString strUrl = u.toString();
strUrl.replace(QRegExp(u.host(), Qt::CaseInsensitive), strTmp);
u = strUrl;
}
}
if (!(netreply_ && netreply_->hasRawHeader("Location"))) {
cacheFileName_ = QFileInfo(u.path()).fileName();
}
if(netreply_){
netreply_->blockSignals(true);
netreply_.take()->deleteLater();
}
netreply_.reset(nam_->get(QNetworkRequest(u)));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(finished()), this, SLOT(httpDone())));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(downloadProgress(qint64, qint64)),this, SLOT(httpRead(qint64, qint64))));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(error( QNetworkReply::NetworkError)), this, SLOT(httpError(QNetworkReply::NetworkError))));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(metaDataChanged()), this, SLOT(httpResponse())));
}
void FQTermHttp::httpResponse() {
if (netreply_->hasRawHeader("Location")) {
// use rawHeader("Location") instead of header(QNetworkRequest::LocationHeader)
// it works for both absolute and relative redirection
QUrl u(netreply_->rawHeader("Location"));
if (u.isRelative() ) {
u=netreply_->url().resolved(u);
}
cacheFileName_ = QFileInfo(u.path()).fileName(); // update filename
getLink(u,isPreview_);
return;
}
QString ValueString;
QString filename;
ValueString = netreply_->header(QNetworkRequest::ContentLengthHeader).toString();
int FileLength = ValueString.toInt();
ValueString = netreply_->rawHeader("Content-Disposition");
// ValueString = ValueString.mid(ValueString.find(';') + 1).stripWhiteSpace();
// if(ValueString.lower().find("filename") == 0)
// m_strHttpFile = ValueString.mid(ValueString.find('=') + 1).stripWhiteSpace();
if (ValueString.right(1) != ";") {
ValueString += ";";
}
QRegExp re("filename=.*;", Qt::CaseInsensitive);
re.setMinimal(true);
//Dont FIXME:this will also split filenames with ';' inside, does anyone really do this?
int pos = re.indexIn(ValueString);
if (pos != -1) {
cacheFileName_ = ValueString.mid(pos + 9, re.matchedLength() - 10);
}
//cacheFileName_ = encoding2unicode(cacheFileName_.toLatin1(), serverEncodingID_);
filename = cacheFileName_;
if (isPreview_) {
cacheFileName_ = poolDir_ + cacheFileName_;
QFileInfo fi(cacheFileName_);
int i = 1;
QFileInfo fi2 = fi;
mutex_.lock();
if (downloadMap_.find(cacheFileName_) == downloadMap_.end() && !fi2.exists()) {
downloadMap_[cacheFileName_] = FileLength;
}
while (fi2.exists()) {
QMap<QString, int>::iterator ii;
if ((ii = downloadMap_.find(cacheFileName_)) != downloadMap_.end()) {
if (ii.value() == FileLength) {
mutex_.unlock();
netreply_->abort();
isExisting_ = true;
emit headerReceived(this, filename);
emit done(this);
return;
}
}
if (fi2.size() == FileLength) {
mutex_.unlock();
isExisting_ = true;
emit headerReceived(this, filename);
netreply_->abort();
return;
} else {
cacheFileName_ = QString("%1/%2(%3).%4").arg(fi.path())
.arg(fi.completeBaseName()).arg(i).arg(fi.suffix());
fi2.setFile(cacheFileName_);
if (!fi2.exists()) {
downloadMap_[cacheFileName_] = FileLength;
break;
}
i++;
}
}
mutex_.unlock();
fi.setFile(cacheFileName_);
QString strExt = fi.suffix().toLower();
if (strExt == "jpg" || strExt == "jpeg" || strExt == "gif" || strExt == "mng"
|| strExt == "png" || strExt == "bmp") {
isPreview_ = true;
} else {
isPreview_ = false;
}
} else {
//getSaveFileName(cacheFileName_, NULL, strSave);
mutex_.lock();
FQTermFileDialog fileDialog(config_);
QString strSave = fileDialog.getSaveName(cacheFileName_, "*");
mutex_.unlock();
// no filename specified which means the user canceled this download
if (strSave.isEmpty()) {
netreply_->abort();
emit done(this);
return ;
}
cacheFileName_ = strSave;
}
emit headerReceived(this, filename);
}
void FQTermHttp::httpRead(qint64 done, qint64 total) {
QByteArray ba = netreply_->readAll();
QFile file(cacheFileName_);
if (file.open(QIODevice::ReadWrite | QIODevice::Append)) {
QDataStream ds(&file);
ds.writeRawData(ba, ba.size());
file.close();
}
if (total != 0) {
//m_pDialog->setProgress(done,total);
int p = done *100 / total;
if (p - lastPercent_ >= 10 && isPreview_ && QFileInfo(cacheFileName_).suffix().toLower() == "jpg") {
if (!previewEmitted) {
emit previewImage(cacheFileName_,true, false);
previewEmitted = true;
} else {
emit previewImage(cacheFileName_,false, false);
}
lastPercent_ = p;
}
emit percent(p);
}
}
void FQTermHttp::httpDone() {
mutex_.lock();
downloadMap_.remove(cacheFileName_);
mutex_.unlock();
if (isPreview_) {
emit previewImage(cacheFileName_, true, true);
} else {
emit message("Download one file successfully");
}
emit done(this);
}
void FQTermHttp::httpError(QNetworkReply::NetworkError code) {
switch(code)
{
case QNetworkReply::OperationCanceledError:
break;
default:
QMessageBox::critical(NULL, tr("Download Error"), tr("Failed to download file\n code=%1").arg(code));
//deleteLater(); /*Not needed. http done will be called and this will cause a double free.
//return;
break;
}
}
void FQTermHttp::setProxy(const QNetworkProxy & proxy) {
nam_->setProxy(proxy);
}
} // namespace FQTerm
#include "fqterm_http.moc"
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