Falkon/falkonOfficial
Falkon/falkonOfficial
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FTP: Don't prompt to download text files,

Browse Source 
- Also update coding style and clean up.
- Closes #1559
This commit is contained in:
S. Razi Alavizadeh 2014-12-25 21:51:28 +03:30
parent 37ce38bbf8
commit ce38c2d4fe
2 changed files with 68 additions and 35 deletions
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94
src/lib/network/schemehandlers/ftpschemehandler.cpp
View File

@ -24,7 +24,6 @@
#include <QWebSecurityOrigin>
#include <QFileIconProvider>
#include <QTextStream>
#include <QDateTime>
#include <QDir>
@ -43,7 +42,7 @@ QNetworkReply* FtpSchemeHandler::createRequest(QNetworkAccessManager::Operation
return 0;
}
QNetworkReply* reply = new FtpSchemeReply(request);
QNetworkReply* reply = new FtpSchemeReply(request.url());
return reply;
}
@ -63,14 +62,14 @@ QAuthenticator* FtpSchemeHandler::ftpAuthenticator(const QUrl &url)
return m_ftpAuthenticatorsCache.value(key);
}
FtpSchemeReply::FtpSchemeReply(const QNetworkRequest &request, QObject* parent)
FtpSchemeReply::FtpSchemeReply(const QUrl &url, QObject* parent)
: QNetworkReply(parent)
, m_ftpLoginId(-1)
, m_ftpCdId(-1)
, m_port(21)
, m_anonymousLoginChecked(false)
, m_request(request)
, m_isGoingToDownload(false)
, m_isContentTypeDetected(false)
{
m_ftp = new QFtp(this);
connect(m_ftp, SIGNAL(listInfo(QUrlInfo)), this, SLOT(processListInfo(QUrlInfo)));
@ -78,14 +77,15 @@ FtpSchemeReply::FtpSchemeReply(const QNetworkRequest &request, QObject* parent)
connect(m_ftp, SIGNAL(commandFinished(int,bool)), this, SLOT(processCommand(int,bool)));
connect(m_ftp, SIGNAL(dataTransferProgress(qint64,qint64)), this, SIGNAL(downloadProgress(qint64,qint64)));
m_buffer.open(QIODevice::ReadWrite);
if (request.url().port() != -1) {
m_port = request.url().port();
if (url.port() != -1) {
m_port = url.port();
}
setUrl(request.url());
m_ftp->connectToHost(request.url().host(), m_port);
m_offset = 0;
setUrl(url);
m_ftp->connectToHost(url.host(), m_port);
open(ReadOnly);
}
void FtpSchemeReply::processCommand(int id, bool err)
@ -126,19 +126,19 @@ void FtpSchemeReply::processCommand(int id, bool err)
if (item.name() == m_probablyFileForDownload) {
QByteArray decodedUrl = QByteArray::fromPercentEncoding(url().toString().toUtf8());
if (QzTools::isUtf8(decodedUrl.constData())) {
m_request.setUrl(QUrl(QString::fromUtf8(decodedUrl)));
setUrl(QUrl(QString::fromUtf8(decodedUrl)));
}
else {
m_request.setUrl(QUrl(QString::fromLatin1(decodedUrl)));
setUrl(QUrl(QString::fromLatin1(decodedUrl)));
}
emit downloadRequest(m_request);
abort();
m_offset = 0;
m_ftp->get(url().path());
break;
}
}
m_probablyFileForDownload.clear();
m_isGoingToDownload = false;
abort();
}
else {
loadPage();
@ -166,22 +166,47 @@ void FtpSchemeReply::processListInfo(QUrlInfo urlInfo)
void FtpSchemeReply::processData()
{
open(ReadOnly | Unbuffered);
QTextStream stream(&m_buffer);
stream.setCodec("UTF-8");
QByteArray data = m_ftp->readAll();
stream << m_ftp->readAll();
m_buffer += data;
stream.flush();
m_buffer.reset();
if (!m_isContentTypeDetected && !data.isEmpty()) {
data = m_buffer.size() < 1000 ? m_buffer : data;
data.truncate(1000);
data = data.simplified();
m_contentSampleData += QString::fromUtf8(data).simplified();
setHeader(QNetworkRequest::ContentLengthHeader, m_buffer.bytesAvailable());
if (m_contentSampleData.size() > 500) {
bool isContentText = true;
for (int i = 0; i < m_contentSampleData.size(); ++i) {
if (!m_contentSampleData.at(i).isPrint()) {
isContentText = false;
break;
}
}
//TODO: also request download for large text file
m_contentSampleData.clear();
m_isContentTypeDetected = true;
if (!isContentText) {
// request has unsupported content
m_buffer.clear();
emit downloadRequest(QNetworkRequest(url()));
abort();
return;
}
}
}
setHeader(QNetworkRequest::ContentLengthHeader, QVariant(m_buffer.size()));
emit metaDataChanged();
}
void FtpSchemeReply::setContent()
{
open(ReadOnly | Unbuffered);
setHeader(QNetworkRequest::ContentLengthHeader, QVariant(m_buffer.size()));
emit readyRead();
emit finished();
@ -198,7 +223,7 @@ void FtpSchemeReply::abort()
qint64 FtpSchemeReply::bytesAvailable() const
{
return m_buffer.bytesAvailable() + QNetworkReply::bytesAvailable();
return m_buffer.size() - m_offset + QNetworkReply::bytesAvailable();
}
bool FtpSchemeReply::isSequential() const
@ -208,23 +233,28 @@ bool FtpSchemeReply::isSequential() const
qint64 FtpSchemeReply::readData(char* data, qint64 maxSize)
{
return m_buffer.read(data, maxSize);
if (m_offset < m_buffer.size()) {
qint64 size = qMin(maxSize, m_buffer.size() - m_offset);
memcpy(data, m_buffer.constData() + m_offset, size);
m_offset += size;
return size;
}
else {
return -1;
}
}
void FtpSchemeReply::loadPage()
{
QWebSecurityOrigin::addLocalScheme("ftp");
open(ReadOnly | Unbuffered);
QTextStream stream(&m_buffer);
stream.setCodec("UTF-8");
stream << loadDirectory();
stream.flush();
m_buffer.reset();
m_offset = 0;
m_buffer = loadDirectory().toUtf8();
setHeader(QNetworkRequest::ContentTypeHeader, QByteArray("text/html"));
setHeader(QNetworkRequest::ContentLengthHeader, m_buffer.bytesAvailable());
setHeader(QNetworkRequest::ContentLengthHeader, m_buffer.size());
setAttribute(QNetworkRequest::HttpStatusCodeAttribute, 200);
setAttribute(QNetworkRequest::HttpReasonPhraseAttribute, QByteArray("Ok"));
emit metaDataChanged();

9
src/lib/network/schemehandlers/ftpschemehandler.h
View File

@ -55,7 +55,7 @@ class QUPZILLA_EXPORT FtpSchemeReply : public QNetworkReply
Q_OBJECT
public:
FtpSchemeReply(const QNetworkRequest &request, QObject* parent = 0);
FtpSchemeReply(const QUrl &url, QObject* parent = 0);
void abort();
qint64 bytesAvailable() const;
bool isSequential() const;
@ -80,12 +80,15 @@ private:
int m_ftpLoginId;
int m_ftpCdId;
int m_port;
QBuffer m_buffer;
bool m_anonymousLoginChecked;
QNetworkRequest m_request;
QString m_probablyFileForDownload;
bool m_isGoingToDownload;
QByteArray m_buffer;
qint64 m_offset;
bool m_isContentTypeDetected;
QString m_contentSampleData;
signals:
void ftpAuthenticationRequierd(const QUrl &, QAuthenticator*);
void downloadRequest(const QNetworkRequest &);