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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#include "kdepasteprotocol.h"
#include <utils/qtcassert.h>
#include <QtCore/QDebug>
#include <QtCore/QTextStream>
#include <QtCore/QXmlStreamReader>
#include <QtCore/QByteArray>
#include <QtCore/QStringList>
#include <QtNetwork/QNetworkReply>
enum { debug = 0 };
static const char hostNameC[]= "paste.kde.org";
static const char hostUrlC[]= "http://paste.kde.org/";
static const char formatC[]= "xml";
static const char showPhpScriptpC[] = "show.php";
enum { expirySeconds = 86400 };
namespace CodePaster {
KdePasteProtocol::KdePasteProtocol(const NetworkAccessManagerProxyPtr &nw) :
NetworkProtocol(nw),
m_fetchReply(0),
m_pasteReply(0),
m_listReply(0),
m_fetchId(-1),
m_postId(-1),
m_hostChecked(false)
{
}
QString KdePasteProtocol::protocolName()
{
return QLatin1String("Paste.KDE.Org");
}
unsigned KdePasteProtocol::capabilities() const
{
return ListCapability;
}
bool KdePasteProtocol::checkConfiguration(QString *errorMessage)
{
if (m_hostChecked) // Check the host once.
return true;
const bool ok = httpStatus(QLatin1String(hostNameC), errorMessage);
if (ok)
m_hostChecked = true;
return ok;
}
static inline QByteArray pasteLanguage(Protocol::ContentType ct)
{
switch (ct) {
case Protocol::Text:
break;
case Protocol::C:
return "paste_lang=c++";
break;
case Protocol::JavaScript:
return "paste_lang=Javascript";
break;
case Protocol::Diff:
return "paste_lang=Diff";
case Protocol::Xml:
return "paste_lang=XML";
}
return QByteArray("paste_lang=text");
}
void KdePasteProtocol::paste(const QString &text,
ContentType ct,
const QString &username,
const QString & /* comment */,
const QString & /* description */)
{
QTC_ASSERT(!m_pasteReply, return;)
// Format body
QByteArray pasteData = "api_submit=true&mode=";
pasteData += formatC;
if (!username.isEmpty()) {
pasteData += "&paste_user=";
pasteData += QUrl::toPercentEncoding(username);
}
pasteData += "&paste_data=";
pasteData += QUrl::toPercentEncoding(fixNewLines(text));
pasteData += "&paste_expire=";
pasteData += QByteArray::number(expirySeconds);
pasteData += '&';
pasteData += pasteLanguage(ct);
m_pasteReply = httpPost(QLatin1String(hostUrlC), pasteData);
connect(m_pasteReply, SIGNAL(finished()), this, SLOT(pasteFinished()));
if (debug)
qDebug() << "paste: sending " << m_pasteReply << pasteData;
}
// Parse for an element and return its contents
static QString parseElement(QIODevice *device, const QString &elementName)
{
QXmlStreamReader reader(device);
while (!reader.atEnd()) {
if (reader.readNext() == QXmlStreamReader::StartElement
&& reader.name() == elementName)
return reader.readElementText();
}
return QString();
}
void KdePasteProtocol::pasteFinished()
{
if (m_pasteReply->error()) {
qWarning("%s protocol error: %s", qPrintable(protocolName()),qPrintable(m_pasteReply->errorString()));
} else {
// Parse id from '<result><id>143204</id><hash></hash></result>'
// No useful error reports have been observed.
const QString id = parseElement(m_pasteReply, QLatin1String("id"));
if (id.isEmpty()) {
qWarning("%s protocol error: Could not send entry.", qPrintable(protocolName()));
} else {
emit pasteDone(QLatin1String(hostUrlC) + id);
}
}
m_pasteReply->deleteLater();
m_pasteReply = 0;
}
void KdePasteProtocol::fetch(const QString &id)
{
QTC_ASSERT(!m_fetchReply, return;)
// Did we get a complete URL or just an id?
m_fetchId = id;
const int lastSlashPos = m_fetchId.lastIndexOf(QLatin1Char('/'));
if (lastSlashPos != -1)
m_fetchId.remove(0, lastSlashPos + 1);
QString url;
QTextStream(&url) << hostUrlC << showPhpScriptpC
<< "?format=" << formatC << "&id=" << m_fetchId;
if (debug)
qDebug() << "fetch: sending " << url;
m_fetchReply = httpGet(url);
connect(m_fetchReply, SIGNAL(finished()), this, SLOT(fetchFinished()));
}
// Parse: '<result><id>143228</id><author>foo</author><timestamp>1320661026</timestamp><language>text</language>
// <data>bar</data></result>'
void KdePasteProtocol::fetchFinished()
{
const QString title = protocolName() + QLatin1String(": ") + m_fetchId;
QString content;
const bool error = m_fetchReply->error();
if (error) {
content = m_fetchReply->errorString();
if (debug)
qDebug() << "fetchFinished: error" << m_fetchId << content;
} else {
content = parseElement(m_fetchReply, QLatin1String("data"));
content.remove(QLatin1Char('\r'));
}
m_fetchReply->deleteLater();
m_fetchReply = 0;
emit fetchDone(title, content, error);
}
void KdePasteProtocol::list()
{
QTC_ASSERT(!m_listReply, return;)
QString url;
QTextStream(&url) << hostUrlC << "api/" << formatC << "/all?format=" << formatC;
m_listReply = httpGet(url);
connect(m_listReply, SIGNAL(finished()), this, SLOT(listFinished()));
if (debug)
qDebug() << "list: sending " << url << m_listReply;
}
// Parse 'result><pastes><paste_1>id1</paste_1><paste_2>id2</paste_2>...'
static inline QStringList parseList(QIODevice *device)
{
QStringList result;
QXmlStreamReader reader(device);
const QString pasteElementPrefix = QLatin1String("paste_");
while (!reader.atEnd()) {
#if QT_VERSION >= 0x040800
if (reader.readNext() == QXmlStreamReader::StartElement && reader.name().startsWith(pasteElementPrefix))
#else
if (reader.readNext() == QXmlStreamReader::StartElement && reader.name().toString().startsWith(pasteElementPrefix))
#endif
result.append(reader.readElementText());
}
return result;
}
void KdePasteProtocol::listFinished()
{
const bool error = m_listReply->error();
if (error) {
if (debug)
qDebug() << "listFinished: error" << m_listReply->errorString();
} else {
emit listDone(name(), parseList(m_listReply));
}
m_listReply->deleteLater();
m_listReply = 0;
}
} // namespace CodePaster
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