492 lines
18 KiB
C++
492 lines
18 KiB
C++
#include "./groovesharkdownload.h"
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#include "../application/utils.h"
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#include <QUrlQuery>
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#include <QCryptographicHash>
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#include <QUuid>
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#include <QJsonObject>
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#include <QJsonDocument>
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#include <QJsonValue>
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#include <QJsonArray>
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using namespace ChronoUtilities;
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using namespace Application;
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namespace Network {
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QJsonValue GroovesharkDownload::m_sessionId = QJsonValue();
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QString GroovesharkDownload::m_token = QString();
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const QJsonValue GroovesharkDownload::m_uuid = generateUuid();
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const QJsonValue GroovesharkDownload::m_country = generateDefaultCountry();
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QJsonValue GroovesharkDownload::m_htmlClient = QJsonValue(QStringLiteral("htmlshark"));
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QJsonValue GroovesharkDownload::m_jsClient = QJsonValue(QStringLiteral("jsqueue"));
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QJsonValue GroovesharkDownload::m_clientRevision = QJsonValue(QStringLiteral("20130520"));
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QJsonValue GroovesharkDownload::m_jsClientRevision = QJsonValue(QStringLiteral("20130520"));
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QString GroovesharkDownload::m_htmlRandomizer = QStringLiteral(":nuggetsOfBaller:");
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QString GroovesharkDownload::m_jsRandomizer = QStringLiteral(":chickenFingers:");
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const QString GroovesharkDownload::m_anyRandomizer = QStringLiteral("asdfgh");
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const QJsonValue GroovesharkDownload::m_privacy = QJsonValue(0);
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QByteArray GroovesharkDownload::m_referer = QByteArray("http://grooveshark.com/JSQueue.swf?20120124.01");
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const QByteArray GroovesharkDownload::m_accept = QByteArray("text/html, image/jpeg, *; q=.2, */*; q=.2");
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/*!
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* \class GroovesharkDownload
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* \brief Download implementation for Grooveshark songs.
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*/
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/*!
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* \brief Constructs a new GroovesharkDownload for the specified \a songId.
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*/
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GroovesharkDownload::GroovesharkDownload(const QString &songId, QObject *parent) :
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GroovesharkDownload(GroovesharkRequestType::SongStream, songId, parent)
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{}
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GroovesharkDownload::GroovesharkDownload(GroovesharkRequestType requestType, const QVariant &requestData, QObject *parent) :
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HttpDownloadWithInfoRequst(QUrl(), parent),
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m_currentStep(0),
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m_requestType(requestType),
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m_requestData(requestData)
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{
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// check if "steps" to establish session can be skiped because session is already set
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m_currentStep = m_sessionId.isNull()
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? 0
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: (m_token.isEmpty()
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? 1
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: (requestType == GroovesharkRequestType::SongStream
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? 2
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: -1));
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switch(requestType) {
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case GroovesharkRequestType::SongStream:
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if(requestData.type() == QVariant::String)
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setId(requestData.toString());
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break;
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case GroovesharkRequestType::AlbumGetSongs:
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case GroovesharkRequestType::PlaylistGetSongs:
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case GroovesharkRequestType::ArtistGetSongs:
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if(requestData.canConvert<GroovesharkGetSongsRequestData>())
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setId(requestData.value<GroovesharkGetSongsRequestData>().id);
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else if(requestData.type() == QVariant::String)
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setId(requestData.toString());
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break;
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case GroovesharkRequestType::SearchForAlbum:
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case GroovesharkRequestType::SearchForPlaylist:
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case GroovesharkRequestType::SearchForArtists:
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break;
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}
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}
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Download *GroovesharkDownload::infoRequestDownload(bool &sucess, QString &reasonForFail)
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{
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Download *download = nullptr;
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QJsonObject headerObj;
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QJsonObject paramObj;
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switch(m_currentStep) {
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case -1:
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sucess = true;
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break;
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case 0:
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if(m_sessionId.isNull()) {
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// initiateSession
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headerObj.insert(QStringLiteral("client"), m_htmlClient);
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headerObj.insert(QStringLiteral("clientRevision"), m_clientRevision);
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headerObj.insert(QStringLiteral("privacy"), m_privacy);
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headerObj.insert(QStringLiteral("uuid"), m_uuid);
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headerObj.insert(QStringLiteral("country"), m_country);
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download = createJsonPostRequest(QStringLiteral("initiateSession"), headerObj, paramObj);
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}
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sucess = true;
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break;
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case 1:
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if(m_token.isEmpty()) {
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// getCommunicationToken
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headerObj.insert(QStringLiteral("client"), m_htmlClient);
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headerObj.insert(QStringLiteral("clientRevision"), m_clientRevision);
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headerObj.insert(QStringLiteral("session"), m_sessionId);
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headerObj.insert(QStringLiteral("token"), generateTokenHash(QStringLiteral("getCommunicationToken")));
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headerObj.insert(QStringLiteral("privacy"), m_privacy);
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headerObj.insert(QStringLiteral("uuid"), m_uuid);
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paramObj.insert(QStringLiteral("secretKey"), generateSecretKey());
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download = createJsonPostRequest(QStringLiteral("getCommunicationToken"), headerObj, paramObj, true);
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}
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sucess = true;
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break;
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case 2:
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// getStreamKeyFromSongIDEx
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headerObj.insert(QStringLiteral("uuid"), m_uuid);
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headerObj.insert(QStringLiteral("privacy"), m_privacy);
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headerObj.insert(QStringLiteral("session"), m_sessionId);
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headerObj.insert(QStringLiteral("clientRevision"), m_clientRevision);
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headerObj.insert(QStringLiteral("client"), m_jsClient);
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headerObj.insert(QStringLiteral("token"), generateTokenHash(QStringLiteral("getStreamKeyFromSongIDEx"), 1));
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paramObj.insert(QStringLiteral("country"), m_country);
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paramObj.insert(QStringLiteral("mobile"), QJsonValue(false));
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paramObj.insert(QStringLiteral("type"), QJsonValue(0));
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paramObj.insert(QStringLiteral("songID"), QJsonValue(id()));
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paramObj.insert(QStringLiteral("prefetch"), QJsonValue(false));
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download = createJsonPostRequest("getStreamKeyFromSongIDEx", headerObj, paramObj);
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sucess = true;
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break;
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default:
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reasonForFail = QStringLiteral("Internal error.");
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sucess = false;
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}
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return download;
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}
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bool GroovesharkDownload::isInitiatingInstantlyRecommendable() const
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{
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return false;
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}
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/*!
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* \brief Returns the session ID.
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*/
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QJsonValue GroovesharkDownload::sessionId()
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{
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return m_sessionId;
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}
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/*!
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* \brief Returns the communication token.
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*/
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QString GroovesharkDownload::communicationToken()
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{
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return m_token;
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}
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/*!
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* \brief Resets the current session (ID and communication token).
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*/
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void GroovesharkDownload::resetSession()
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{
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m_sessionId = QJsonValue();
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m_token.clear();
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}
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void GroovesharkDownload::evalVideoInformation(Download *, QBuffer *videoInfoBuffer)
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{
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QString code;
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if(videoInfoBuffer) { // the buffer might be zero!
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videoInfoBuffer->seek(0);
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code.append(videoInfoBuffer->readAll());
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}
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switch(m_currentStep) {
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case -1:
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setupFinalRequest();
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reportInitiated(true);
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break;
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case 0: {
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QString value;
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if((substring(code, value, 0, QStringLiteral("\"session\":\""), QStringLiteral("\"")) <= 0) || value.isEmpty()) {
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if((substring(code, value, 0, QStringLiteral("\"message\":\""), QStringLiteral("\"")) <= 0) || value.isEmpty()) {
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reportInitiated(false, tr("The session couldn't be initialized."));
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} else {
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reportInitiated(false, tr("The session couldn't be initialized (%1).").arg(value));
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}
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} else {
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m_sessionId = QJsonValue(value);
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++m_currentStep;
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doInit();
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}
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break;
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}
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case 1:
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if((substring(code, m_token, 0, QStringLiteral("\"result\":\""), QStringLiteral("\"")) <= 0) || m_token.isEmpty()) {
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reportInitiated(false, tr("The communication token couldn't be retireved."));
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} else {
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if(m_requestType == GroovesharkRequestType::SongStream) {
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++m_currentStep;
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doInit();
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} else {
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setupFinalRequest();
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reportInitiated(true);
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}
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}
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break;
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case 2:
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if((substring(code, m_streamKey, 0, QStringLiteral("\"streamKey\":\""), QStringLiteral("\"")) <= 0)
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|| m_streamKey.isEmpty()) {
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reportInitiated(false, tr("The stream key couldn't be found."));
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} else {
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if((substring(code, m_streamHost, 0, QStringLiteral("\"ip\":\""), QStringLiteral("\"")) <= 0)
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|| m_streamHost.isEmpty()) {
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reportInitiated(false, tr("The stream host couldn't be found."));
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} else {
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setupFinalRequest();
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reportInitiated(true);
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}
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}
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break;
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default:
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reportInitiated(false, tr("Internal error."));
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}
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}
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/*!
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* \brief Generates a UUID.
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*/
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QJsonValue GroovesharkDownload::generateUuid()
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{
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QString res = QUuid::createUuid().toString();
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int pos = res.startsWith('{') ? 1 : 0;
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int length = res.endsWith('}') ? res.length() - pos - 1: -1;
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return QJsonValue(res.mid(pos, length));
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}
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/*!
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* \brief Generates the default country information.
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*/
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QJsonValue GroovesharkDownload::generateDefaultCountry()
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{
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QJsonObject jsonObj;
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jsonObj.insert(QStringLiteral("IPR"), QJsonValue(0));
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jsonObj.insert(QStringLiteral("ID"), QJsonValue(0));
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jsonObj.insert(QStringLiteral("CC1"), QJsonValue(0));
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jsonObj.insert(QStringLiteral("CC2"), QJsonValue(0));
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jsonObj.insert(QStringLiteral("CC3"), QJsonValue(0));
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jsonObj.insert(QStringLiteral("CC4"), QJsonValue(0));
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return QJsonValue(jsonObj);
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}
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/*!
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* \brief Loads the authentication information from the specified file.
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*/
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bool GroovesharkDownload::loadAuthenticationInformationFromFile(const QString &path, QString *errorMessage)
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{
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QJsonObject fileObj = loadJsonObjectFromResource(path, errorMessage);
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if(fileObj.isEmpty()) {
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return false;
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} else {
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QJsonValue clientVal;
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QJsonObject clientObj;
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QJsonValue name;
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QJsonValue revision;
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QJsonValue randomizer;
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clientVal = fileObj.value(QStringLiteral("htmlClient"));
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if(clientVal.isObject()) {
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clientObj = clientVal.toObject();
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name = clientObj.value(QStringLiteral("name"));
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if(name.isString()) {
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m_htmlClient = name;
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}
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revision = clientObj.value(QStringLiteral("revision"));
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if(revision.isString()) {
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m_clientRevision = revision;
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}
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randomizer = clientObj.value(QStringLiteral("randomizer"));
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if(randomizer.isString()) {
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m_htmlRandomizer = randomizer.toString();
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}
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}
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clientVal = fileObj.value(QStringLiteral("jsClient"));
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if(clientVal.isObject()) {
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clientObj = clientVal.toObject();
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name = clientObj.value(QStringLiteral("name"));
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if(name.isString()) {
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m_jsClient = name;
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}
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revision = clientObj.value(QStringLiteral("revision"));
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if(revision.isString()) {
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m_jsClientRevision = revision;
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}
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randomizer = clientObj.value(QStringLiteral("randomizer"));
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if(randomizer.isString()) {
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m_jsRandomizer = randomizer.toString();
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}
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}
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clientVal = fileObj.value(QStringLiteral("referer"));
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if(clientVal.isString()) {
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m_referer.append(clientVal.toString());
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}
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return true;
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}
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}
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/*!
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* \brief Generates the token hash with the specified \a method and \a mode.
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*/
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QJsonValue GroovesharkDownload::generateTokenHash(QString method, int mode)
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{
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QByteArray toHash;
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toHash.append(method);
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toHash.append(':');
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toHash.append(m_token);
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switch(mode) {
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case 1:
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toHash.append(m_htmlRandomizer);
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break;
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default:
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toHash.append(m_jsRandomizer);
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break;
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}
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toHash.append(m_anyRandomizer);
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QString res;
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res.append(m_anyRandomizer);
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res.append(QString(QCryptographicHash::hash(toHash, QCryptographicHash::Sha1).toHex()).toLower());
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return QJsonValue(res);
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}
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/*!
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* \brief Generates the secret key.
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*/
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QJsonValue GroovesharkDownload::generateSecretKey()
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{
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QByteArray toHash;
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toHash.append(m_sessionId.toString());
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QString secretKey(QCryptographicHash::hash(toHash, QCryptographicHash::Md5).toHex());
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return QJsonValue(secretKey);
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}
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/*!
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* \brief Creates a JSON post request.
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*/
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HttpDownload *GroovesharkDownload::createJsonPostRequest(const QString &method, const QJsonObject &header, const QJsonObject ¶meters, bool https)
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{
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// create json post data
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QJsonObject jsonObj;
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jsonObj.insert(QStringLiteral("method"), QJsonValue(method));
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jsonObj.insert(QStringLiteral("header"), header);
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jsonObj.insert(QStringLiteral("parameters"), parameters);
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QJsonDocument jsonDoc(jsonObj);
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QByteArray postData = jsonDoc.toJson();
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// create and setup download
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QString url = https ? QStringLiteral("https") : QStringLiteral("http");
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url.append(QStringLiteral("://grooveshark.com/more.php?"));
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url.append(method);
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HttpDownload *download = new HttpDownload(QUrl(url));
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download->setMethod(HttpDownloadMethod::Post);
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download->setPostData(postData);
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download->setHeader(QNetworkRequest::ContentTypeHeader, QStringLiteral("application/json"));
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download->setHeader("Refer", m_referer);
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download->setHeader("Accept", m_accept);
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//download->setHeader("Connection", "keep-alive");
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return download;
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}
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/*!
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* \brief Sets the final request up.
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*/
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void GroovesharkDownload::setupFinalRequest()
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{
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setMethod(HttpDownloadMethod::Post);
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switch(m_requestType) {
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case GroovesharkRequestType::SongStream: {
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setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
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setHeader("Accept", m_accept);
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QUrlQuery query;
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query.addQueryItem("streamKey", m_streamKey);
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QByteArray postData;
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postData.append(query.toString(QUrl::FullyEncoded));
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setPostData(postData);
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addDownloadUrl(tr("MPEG-1 Layer 3"), QUrl(QStringLiteral("http://%1/stream.php").arg(m_streamHost)));
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break;
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}
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default: {
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QString method;
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QJsonObject header;
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QJsonObject params;
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header.insert(QStringLiteral("client"), m_htmlClient);
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header.insert(QStringLiteral("clientRevision"), m_clientRevision);
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header.insert(QStringLiteral("session"), m_sessionId);
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header.insert(QStringLiteral("privacy"), m_privacy);
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header.insert(QStringLiteral("uuid"), m_uuid);
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header.insert(QStringLiteral("country"), m_country);
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switch(m_requestType) {
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case GroovesharkRequestType::AlbumGetSongs:
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method = QStringLiteral("albumGetAllSongs");
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params.insert(QStringLiteral("offset"), QJsonValue(0));
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params.insert(QStringLiteral("albumID"), QJsonValue(id()));
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params.insert(QStringLiteral("isVerified"), QJsonValue(m_requestData.canConvert<GroovesharkGetSongsRequestData>() ? m_requestData.value<GroovesharkGetSongsRequestData>().verified : false));
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break;
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case GroovesharkRequestType::PlaylistGetSongs:
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method = QStringLiteral("playlistGetSongs");
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params.insert(QStringLiteral("playlistID"), QJsonValue(id()));
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break;
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case GroovesharkRequestType::ArtistGetSongs:
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method = QStringLiteral("artistGetArtistSongs");
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params.insert(QStringLiteral("artistID"), QJsonValue(id()));
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case GroovesharkRequestType::SearchForAlbum:
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case GroovesharkRequestType::SearchForPlaylist:
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method = QStringLiteral("getResultsFromSearch");
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params.insert(QStringLiteral("guts"), QJsonValue(QStringLiteral("0")));
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params.insert(QStringLiteral("query"), QJsonValue(m_requestData.toString()));
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params.insert(QStringLiteral("ppOverride"), QStringLiteral("false"));
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{ QJsonArray types;
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switch(m_requestType) {
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case GroovesharkRequestType::SearchForAlbum:
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types.append(QJsonValue(QStringLiteral("Albums")));
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break;
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case GroovesharkRequestType::SearchForPlaylist:
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types.append(QJsonValue(QStringLiteral("Playlists")));
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break;
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case GroovesharkRequestType::SearchForArtists:
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types.append(QJsonValue(QStringLiteral("Artists")));
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break;
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default:
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;
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}
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params.insert(QStringLiteral("type"), QJsonValue(types));
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}
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break;
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default:
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;
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}
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header.insert(QStringLiteral("token"), generateTokenHash(method, 1));
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QJsonObject mainObj;
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mainObj.insert(QStringLiteral("method"), QJsonValue(method));
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mainObj.insert(QStringLiteral("header"), header);
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mainObj.insert(QStringLiteral("parameters"), params);
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QJsonDocument jsonDoc(mainObj);
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QByteArray postData = jsonDoc.toJson();
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// create and setup download
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setPostData(postData);
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setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
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setHeader("Refer", m_referer);
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setHeader("Accept", m_accept);
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//setHeader("Connection", "keep-alive");
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addDownloadUrl(tr("Grooveshark json request"), QUrl(QStringLiteral("http://grooveshark.com/more.php?") + method));
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break;
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}
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}
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}
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/*!
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* \brief Returns the request type.
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*/
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GroovesharkRequestType GroovesharkDownload::requestType() const
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{
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return m_requestType;
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}
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QString GroovesharkDownload::suitableFilename() const
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{
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QString filename = Download::suitableFilename();
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if(!filename.endsWith(QLatin1String(".mp3"))) {
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filename.append(QStringLiteral(".mp3"));
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}
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return filename;
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}
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QString GroovesharkDownload::typeName() const
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{
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return tr("Grooveshark");
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}
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}
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