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#include "UrlResolvingTask.h"
#include <QtXml>
/*
namespace {
const char * metabase = "https://cursemeta.dries007.net";
}
*/
Flame::UrlResolvingTask::UrlResolvingTask(const QString& toProcess)
: m_url(toProcess)
{
}
void Flame::UrlResolvingTask::executeTask()
{
setStatus(tr("Resolving URL..."));
setProgress(0, 1);
m_dljob.reset(new NetJob("URL resolver"));
weAreDigging = false;
needle = QString();
if(m_url.startsWith("https://")) {
if(m_url.endsWith("?client=y")) {
// https://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download?client=y
// https://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download/2697088?client=y
m_url.chop(9);
// https://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download
// https://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download/2697088
}
if(m_url.endsWith("/download")) {
// https://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download -> need to dig inside html...
weAreDigging = true;
needle = m_url;
needle.replace("https://", "twitch://");
needle.replace("/download", "/download-client/");
m_url.append("?client=y");
} else if (m_url.contains("/download/")) {
// https://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download/2697088
m_url.replace("/download/", "/download-client/");
}
}
else if(m_url.startsWith("twitch://")) {
// twitch://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download-client/2697088
m_url.replace(0, 9, "https://");
// https://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download-client/2697088
}
auto dl = Net::Download::makeByteArray(QUrl(m_url), &results);
m_dljob->addNetAction(dl);
connect(m_dljob.get(), &NetJob::finished, this, &Flame::UrlResolvingTask::netJobFinished);
m_dljob->start();
}
void Flame::UrlResolvingTask::netJobFinished()
{
if(weAreDigging) {
processHTML();
} else {
processCCIP();
}
}
void Flame::UrlResolvingTask::processHTML()
{
QString htmlDoc = QString::fromUtf8(results);
auto index = htmlDoc.indexOf(needle);
if(index < 0) {
emitFailed(tr("Couldn't find the needle in the haystack..."));
return;
}
auto indexStart = index;
int indexEnd = -1;
while((index + 1) < htmlDoc.size() && htmlDoc[index] != '"') {
index ++;
if(htmlDoc[index] == '"') {
indexEnd = index;
break;
}
}
if(indexEnd > 0) {
QString found = htmlDoc.mid(indexStart, indexEnd - indexStart);
qDebug() << "Found needle: " << found;
// twitch://www.curseforge.com/minecraft/modpacks/ftb-sky-odyssey/download-client/2697088
m_url = found;
executeTask();
return;
}
emitFailed(tr("Couldn't find the end of the needle in the haystack..."));
return;
}
void Flame::UrlResolvingTask::processCCIP()
{
QDomDocument doc;
if (!doc.setContent(results)) {
qDebug() << results;
emitFailed(tr("Resolving failed."));
return;
}
auto packageNode = doc.namedItem("package");
if(!packageNode.isElement()) {
emitFailed(tr("Resolving failed: missing package root element."));
return;
}
auto projectNode = packageNode.namedItem("project");
if(!projectNode.isElement()) {
emitFailed(tr("Resolving failed: missing project element."));
return;
}
auto attribs = projectNode.attributes();
auto projectIdNode = attribs.namedItem("id");
if(!projectIdNode.isAttr()) {
emitFailed(tr("Resolving failed: missing id attribute."));
return;
}
auto fileIdNode = attribs.namedItem("file");
if(!fileIdNode.isAttr()) {
emitFailed(tr("Resolving failed: missing file attribute."));
return;
}
auto projectId = projectIdNode.nodeValue();
auto fileId = fileIdNode.nodeValue();
bool success = true;
m_result.projectId = projectId.toInt(&success);
if(!success) {
emitFailed(tr("Failed to resove projectId as a number."));
return;
}
m_result.fileId = fileId.toInt(&success);
if(!success) {
emitFailed(tr("Failed to resove fileId as a number."));
return;
}
qDebug() << "Resolved" << m_url << "as" << m_result.projectId << "/" << m_result.fileId;
emitSucceeded();
}
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