spectrum2/3rdparty/o2/src/o2replyserver.cpp
2015-11-19 14:13:46 +01:00

79 lines
2.5 KiB
C++

#include <QTcpServer>
#include <QTcpSocket>
#include <QByteArray>
#include <QString>
#include <QMap>
#include <QPair>
#include <QStringList>
#include <QUrl>
#include <QDebug>
#if QT_VERSION >= 0x050000
#include <QUrlQuery>
#endif
#include "o2replyserver.h"
#define trace() if (1) qDebug()
// #define trace() if (0) qDebug()
O2ReplyServer::O2ReplyServer(QObject *parent): QTcpServer(parent) {
connect(this, SIGNAL(newConnection()), this, SLOT(onIncomingConnection()));
}
O2ReplyServer::~O2ReplyServer() {
}
void O2ReplyServer::onIncomingConnection() {
QTcpSocket* socket = nextPendingConnection();
connect(socket, SIGNAL(readyRead()), this, SLOT(onBytesReady()), Qt::UniqueConnection);
connect(socket, SIGNAL(disconnected()), socket, SLOT(deleteLater()));
}
void O2ReplyServer::onBytesReady() {
QTcpSocket *socket = qobject_cast<QTcpSocket *>(sender());
if (!socket) {
return;
}
QByteArray reply;
QByteArray content;
content.append("<HTML></HTML>");
reply.append("HTTP/1.0 200 OK \r\n");
reply.append("Content-Type: text/html; charset=\"utf-8\"\r\n");
reply.append(QString("Content-Length: %1\r\n\r\n").arg(content.size()));
reply.append(content);
socket->write(reply);
QByteArray data = socket->readAll();
QMap<QString, QString> queryParams = parseQueryParams(&data);
socket->disconnectFromHost();
close();
emit verificationReceived(queryParams);
}
QMap<QString, QString> O2ReplyServer::parseQueryParams(QByteArray *data) {
trace() << "O2ReplyServer::parseQueryParams";
QString splitGetLine = QString(*data).split("\r\n").first();
splitGetLine.remove("GET ");
splitGetLine.remove("HTTP/1.1");
splitGetLine.remove("\r\n");
splitGetLine.prepend("http://localhost");
QUrl getTokenUrl(splitGetLine);
QList< QPair<QString, QString> > tokens;
#if QT_VERSION < 0x050000
tokens = getTokenUrl.queryItems();
#else
QUrlQuery query(getTokenUrl);
tokens = query.queryItems();
#endif
QMultiMap<QString, QString> queryParams;
QPair<QString, QString> tokenPair;
foreach (tokenPair, tokens) {
// FIXME: We are decoding key and value again. This helps with Google OAuth, but is it mandated by the standard?
QString key = QUrl::fromPercentEncoding(QByteArray().append(tokenPair.first.trimmed()));
QString value = QUrl::fromPercentEncoding(QByteArray().append(tokenPair.second.trimmed()));
queryParams.insert(key, value);
}
return queryParams;
}