8d7dcdfc5b
Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: supress unused with [[maybe_unused]] Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: unshadow ^&^& static_cast implicit return Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: deshadow and mark unused in parse task Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: mark unused in folder models Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: deshadow and mark unused with instances Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: more deshadow and unused Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: remove uneeded simicolons Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: mark unused Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com> chore: prevent shadow Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>
483 lines
14 KiB
C++
483 lines
14 KiB
C++
#include "Parsers.h"
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#include "Json.h"
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#include "Logging.h"
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#include <QJsonDocument>
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#include <QJsonArray>
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#include <QDebug>
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namespace Parsers {
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bool getDateTime(QJsonValue value, QDateTime & out) {
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if(!value.isString()) {
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return false;
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}
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out = QDateTime::fromString(value.toString(), Qt::ISODate);
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return out.isValid();
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}
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bool getString(QJsonValue value, QString & out) {
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if(!value.isString()) {
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return false;
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}
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out = value.toString();
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return true;
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}
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bool getNumber(QJsonValue value, double & out) {
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if(!value.isDouble()) {
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return false;
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}
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out = value.toDouble();
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return true;
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}
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bool getNumber(QJsonValue value, int64_t & out) {
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if(!value.isDouble()) {
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return false;
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}
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out = (int64_t) value.toDouble();
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return true;
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}
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bool getBool(QJsonValue value, bool & out) {
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if(!value.isBool()) {
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return false;
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}
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out = value.toBool();
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return true;
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}
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/*
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{
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"IssueInstant":"2020-12-07T19:52:08.4463796Z",
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"NotAfter":"2020-12-21T19:52:08.4463796Z",
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"Token":"token",
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"DisplayClaims":{
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"xui":[
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{
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"uhs":"userhash"
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}
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]
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}
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}
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*/
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// TODO: handle error responses ...
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/*
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{
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"Identity":"0",
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"XErr":2148916238,
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"Message":"",
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"Redirect":"https://start.ui.xboxlive.com/AddChildToFamily"
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}
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// 2148916233 = missing XBox account
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// 2148916238 = child account not linked to a family
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*/
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bool parseXTokenResponse(QByteArray & data, Katabasis::Token &output, QString name) {
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qDebug() << "Parsing" << name <<":";
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qCDebug(authCredentials()) << data;
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QJsonParseError jsonError;
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QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
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if(jsonError.error) {
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qWarning() << "Failed to parse response from user.auth.xboxlive.com as JSON: " << jsonError.errorString();
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return false;
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}
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auto obj = doc.object();
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if(!getDateTime(obj.value("IssueInstant"), output.issueInstant)) {
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qWarning() << "User IssueInstant is not a timestamp";
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return false;
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}
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if(!getDateTime(obj.value("NotAfter"), output.notAfter)) {
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qWarning() << "User NotAfter is not a timestamp";
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return false;
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}
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if(!getString(obj.value("Token"), output.token)) {
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qWarning() << "User Token is not a string";
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return false;
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}
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auto arrayVal = obj.value("DisplayClaims").toObject().value("xui");
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if(!arrayVal.isArray()) {
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qWarning() << "Missing xui claims array";
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return false;
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}
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bool foundUHS = false;
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for(auto item: arrayVal.toArray()) {
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if(!item.isObject()) {
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continue;
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}
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auto obj_ = item.toObject();
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if(obj_.contains("uhs")) {
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foundUHS = true;
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} else {
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continue;
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}
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// consume all 'display claims' ... whatever that means
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for(auto iter = obj_.begin(); iter != obj_.end(); iter++) {
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QString claim;
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if(!getString(obj_.value(iter.key()), claim)) {
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qWarning() << "display claim " << iter.key() << " is not a string...";
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return false;
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}
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output.extra[iter.key()] = claim;
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}
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break;
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}
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if(!foundUHS) {
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qWarning() << "Missing uhs";
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return false;
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}
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output.validity = Katabasis::Validity::Certain;
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qDebug() << name << "is valid.";
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return true;
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}
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bool parseMinecraftProfile(QByteArray & data, MinecraftProfile &output) {
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qDebug() << "Parsing Minecraft profile...";
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qCDebug(authCredentials()) << data;
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QJsonParseError jsonError;
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QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
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if(jsonError.error) {
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qWarning() << "Failed to parse response from user.auth.xboxlive.com as JSON: " << jsonError.errorString();
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return false;
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}
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auto obj = doc.object();
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if(!getString(obj.value("id"), output.id)) {
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qWarning() << "Minecraft profile id is not a string";
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return false;
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}
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if(!getString(obj.value("name"), output.name)) {
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qWarning() << "Minecraft profile name is not a string";
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return false;
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}
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auto skinsArray = obj.value("skins").toArray();
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for(auto skin: skinsArray) {
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auto skinObj = skin.toObject();
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Skin skinOut;
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if(!getString(skinObj.value("id"), skinOut.id)) {
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continue;
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}
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QString state;
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if(!getString(skinObj.value("state"), state)) {
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continue;
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}
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if(state != "ACTIVE") {
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continue;
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}
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if(!getString(skinObj.value("url"), skinOut.url)) {
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continue;
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}
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if(!getString(skinObj.value("variant"), skinOut.variant)) {
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continue;
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}
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// we deal with only the active skin
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output.skin = skinOut;
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break;
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}
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auto capesArray = obj.value("capes").toArray();
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QString currentCape;
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for(auto cape: capesArray) {
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auto capeObj = cape.toObject();
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Cape capeOut;
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if(!getString(capeObj.value("id"), capeOut.id)) {
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continue;
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}
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QString state;
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if(!getString(capeObj.value("state"), state)) {
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continue;
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}
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if(state == "ACTIVE") {
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currentCape = capeOut.id;
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}
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if(!getString(capeObj.value("url"), capeOut.url)) {
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continue;
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}
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if(!getString(capeObj.value("alias"), capeOut.alias)) {
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continue;
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}
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output.capes[capeOut.id] = capeOut;
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}
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output.currentCape = currentCape;
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output.validity = Katabasis::Validity::Certain;
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return true;
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}
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namespace {
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// these skin URLs are for the MHF_Steve and MHF_Alex accounts (made by a Mojang employee)
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// they are needed because the session server doesn't return skin urls for default skins
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static const QString SKIN_URL_STEVE = "http://textures.minecraft.net/texture/1a4af718455d4aab528e7a61f86fa25e6a369d1768dcb13f7df319a713eb810b";
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static const QString SKIN_URL_ALEX = "http://textures.minecraft.net/texture/83cee5ca6afcdb171285aa00e8049c297b2dbeba0efb8ff970a5677a1b644032";
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bool isDefaultModelSteve(QString uuid) {
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// need to calculate *Java* hashCode of UUID
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// if number is even, skin/model is steve, otherwise it is alex
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// just in case dashes are in the id
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uuid.remove('-');
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if (uuid.size() != 32) {
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return true;
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}
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// qulonglong is guaranteed to be 64 bits
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// we need to use unsigned numbers to guarantee truncation below
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qulonglong most = uuid.left(16).toULongLong(nullptr, 16);
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qulonglong least = uuid.right(16).toULongLong(nullptr, 16);
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qulonglong xored = most ^ least;
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return ((static_cast<quint32>(xored >> 32)) ^ static_cast<quint32>(xored)) % 2 == 0;
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}
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}
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/**
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Uses session server for skin/cape lookup instead of profile,
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because locked Mojang accounts cannot access profile endpoint
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(https://api.minecraftservices.com/minecraft/profile/)
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ref: https://wiki.vg/Mojang_API#UUID_to_Profile_and_Skin.2FCape
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{
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"id": "<profile identifier>",
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"name": "<player name>",
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"properties": [
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{
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"name": "textures",
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"value": "<base64 string>"
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}
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]
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}
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decoded base64 "value":
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{
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"timestamp": <java time in ms>,
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"profileId": "<profile uuid>",
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"profileName": "<player name>",
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"textures": {
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"SKIN": {
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"url": "<player skin URL>"
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},
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"CAPE": {
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"url": "<player cape URL>"
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}
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}
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}
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*/
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bool parseMinecraftProfileMojang(QByteArray & data, MinecraftProfile &output) {
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qDebug() << "Parsing Minecraft profile...";
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qCDebug(authCredentials()) << data;
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QJsonParseError jsonError;
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QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
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if(jsonError.error) {
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qWarning() << "Failed to parse response as JSON: " << jsonError.errorString();
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return false;
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}
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auto obj = Json::requireObject(doc, "mojang minecraft profile");
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if(!getString(obj.value("id"), output.id)) {
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qWarning() << "Minecraft profile id is not a string";
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return false;
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}
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if(!getString(obj.value("name"), output.name)) {
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qWarning() << "Minecraft profile name is not a string";
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return false;
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}
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auto propsArray = obj.value("properties").toArray();
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QByteArray texturePayload;
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for( auto p : propsArray) {
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auto pObj = p.toObject();
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auto name = pObj.value("name");
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if (!name.isString() || name.toString() != "textures") {
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continue;
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}
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auto value = pObj.value("value");
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if (value.isString()) {
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#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
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texturePayload = QByteArray::fromBase64(value.toString().toUtf8(), QByteArray::AbortOnBase64DecodingErrors);
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#else
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texturePayload = QByteArray::fromBase64(value.toString().toUtf8());
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#endif
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}
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if (!texturePayload.isEmpty()) {
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break;
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}
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}
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if (texturePayload.isNull()) {
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qWarning() << "No texture payload data";
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return false;
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}
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doc = QJsonDocument::fromJson(texturePayload, &jsonError);
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if(jsonError.error) {
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qWarning() << "Failed to parse response as JSON: " << jsonError.errorString();
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return false;
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}
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obj = Json::requireObject(doc, "session texture payload");
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auto textures = obj.value("textures");
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if (!textures.isObject()) {
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qWarning() << "No textures array in response";
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return false;
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}
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Skin skinOut;
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// fill in default skin info ourselves, as this endpoint doesn't provide it
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bool steve = isDefaultModelSteve(output.id);
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skinOut.variant = steve ? "classic" : "slim";
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skinOut.url = steve ? SKIN_URL_STEVE : SKIN_URL_ALEX;
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// sadly we can't figure this out, but I don't think it really matters...
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skinOut.id = "00000000-0000-0000-0000-000000000000";
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Cape capeOut;
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auto tObj = textures.toObject();
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for (auto idx = tObj.constBegin(); idx != tObj.constEnd(); ++idx) {
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if (idx->isObject()) {
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if (idx.key() == "SKIN") {
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auto skin = idx->toObject();
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if (!getString(skin.value("url"), skinOut.url)) {
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qWarning() << "Skin url is not a string";
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return false;
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}
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auto maybeMeta = skin.find("metadata");
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if (maybeMeta != skin.end() && maybeMeta->isObject()) {
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auto meta = maybeMeta->toObject();
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// might not be present
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getString(meta.value("model"), skinOut.variant);
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}
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}
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else if (idx.key() == "CAPE") {
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auto cape = idx->toObject();
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if (!getString(cape.value("url"), capeOut.url)) {
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qWarning() << "Cape url is not a string";
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return false;
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}
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// we don't know the cape ID as it is not returned from the session server
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// so just fake it - changing capes is probably locked anyway :(
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capeOut.alias = "cape";
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}
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}
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}
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output.skin = skinOut;
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if (capeOut.alias == "cape") {
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output.capes = QMap<QString, Cape>({{capeOut.alias, capeOut}});
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output.currentCape = capeOut.alias;
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}
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output.validity = Katabasis::Validity::Certain;
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return true;
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}
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bool parseMinecraftEntitlements(QByteArray & data, MinecraftEntitlement &output) {
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qDebug() << "Parsing Minecraft entitlements...";
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qCDebug(authCredentials()) << data;
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QJsonParseError jsonError;
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QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
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if(jsonError.error) {
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qWarning() << "Failed to parse response from user.auth.xboxlive.com as JSON: " << jsonError.errorString();
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return false;
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}
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auto obj = doc.object();
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output.canPlayMinecraft = false;
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output.ownsMinecraft = false;
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auto itemsArray = obj.value("items").toArray();
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for(auto item: itemsArray) {
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auto itemObj = item.toObject();
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QString name;
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if(!getString(itemObj.value("name"), name)) {
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continue;
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}
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if(name == "game_minecraft") {
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output.canPlayMinecraft = true;
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}
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if(name == "product_minecraft") {
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output.ownsMinecraft = true;
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}
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}
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output.validity = Katabasis::Validity::Certain;
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return true;
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}
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bool parseRolloutResponse(QByteArray & data, bool& result) {
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qDebug() << "Parsing Rollout response...";
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qCDebug(authCredentials()) << data;
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QJsonParseError jsonError;
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QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
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if(jsonError.error) {
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qWarning() << "Failed to parse response from https://api.minecraftservices.com/rollout/v1/msamigration as JSON: " << jsonError.errorString();
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return false;
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}
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auto obj = doc.object();
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QString feature;
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if(!getString(obj.value("feature"), feature)) {
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qWarning() << "Rollout feature is not a string";
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return false;
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}
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if(feature != "msamigration") {
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qWarning() << "Rollout feature is not what we expected (msamigration), but is instead \"" << feature << "\"";
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return false;
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}
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if(!getBool(obj.value("rollout"), result)) {
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qWarning() << "Rollout feature is not a string";
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return false;
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}
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return true;
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}
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bool parseMojangResponse(QByteArray & data, Katabasis::Token &output) {
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QJsonParseError jsonError;
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qDebug() << "Parsing Mojang response...";
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qCDebug(authCredentials()) << data;
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QJsonDocument doc = QJsonDocument::fromJson(data, &jsonError);
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if(jsonError.error) {
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qWarning() << "Failed to parse response from api.minecraftservices.com/launcher/login as JSON: " << jsonError.errorString();
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return false;
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}
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auto obj = doc.object();
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double expires_in = 0;
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if(!getNumber(obj.value("expires_in"), expires_in)) {
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qWarning() << "expires_in is not a valid number";
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return false;
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}
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auto currentTime = QDateTime::currentDateTimeUtc();
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output.issueInstant = currentTime;
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output.notAfter = currentTime.addSecs(expires_in);
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QString username;
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if(!getString(obj.value("username"), username)) {
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qWarning() << "username is not valid";
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return false;
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}
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// TODO: it's a JWT... validate it?
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if(!getString(obj.value("access_token"), output.token)) {
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qWarning() << "access_token is not valid";
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return false;
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}
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output.validity = Katabasis::Validity::Certain;
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qDebug() << "Mojang response is valid.";
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return true;
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}
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}
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