Fetch all URLs from a single URL

Author: illwieckz

News.qml

@@ -32,6 +32,11 @@ Item {
         bottomMargin: 10
     }
 
+    function fetchFallbackNews() {
+        console.log("fetching fallback posts json");
+        fetchNews(downloader.newsFallbackUrl);
+    }
+
     function fetchNews(jsonUrl) {
         var news = new XMLHttpRequest();
 
@@ -55,11 +60,8 @@ Item {
                 }
 
                 if (newsObj === null) {
-                    var fallbackJsonUrl = 'qrc:/resources/disconnected_posts.json';
-
-                    if (jsonUrl !== fallbackJsonUrl) {
-                        console.log("fetching fallback posts json");
-                        fetchNews(fallbackJsonUrl);
+                    if (jsonUrl !== downloader.newsFallbackUrl) {
+                        fetchFallbackNews();
                         return;
                     }
                 }
@@ -98,6 +100,14 @@ Item {
         news.send();
     }
 
+    Connections {
+        target: splashController
+
+        onNewsUrlFetched: {
+            fetchNews(newsUrl);
+        }
+    }
+
     SwipeView {
         id: swipe
 
@@ -111,7 +121,10 @@ Item {
         }
 
         Component.onCompleted: {
-            fetchNews('https://unvanquished.net/api/get_recent_posts/');
+            var newsUrl = downloader.newsUrl;
+            if (newsUrl != "") {
+                fetchNews(newsUrl);
+            }
         }
     }
 

currentversionfetcher.cpp

@@ -16,13 +16,15 @@
  */
 
 #include "currentversionfetcher.h"
+#include "system.h"
 
 #include <QDebug>
 #include <QUrl>
 #include <QNetworkRequest>
 #include <QNetworkReply>
 #include <QJsonDocument>
 #include <QJsonObject>
+#include <QJsonArray>
 
 CurrentVersionFetcher::CurrentVersionFetcher(QObject* parent) : QObject(parent), manager_(new QNetworkAccessManager(this))
 {
@@ -35,35 +37,90 @@ void CurrentVersionFetcher::fetchCurrentVersion(QString url)
     manager_->get(request);
 }
 
+void ComponentVersionFetcher(QJsonObject jsonObject, QString componentSlug, QString componentSystem, QString *componentVersion, QString *componentUrl)
+{
+    QString componentMirror;
+    QString componentPath;
+
+	QJsonObject componentsObject = jsonObject["components"].toObject();
+
+    QJsonObject componentObject = componentsObject[componentSlug].toObject();
+    if (componentObject.isEmpty()) {
+        qDebug() << "ComponentVersionFetcher: undefined “" << componentSlug << "” key";
+    } else {
+        QJsonValue version = componentObject.value("version");
+        if (version == QJsonValue::Undefined) {
+            qDebug() << "ComponentVersionFetcher: undefined “version” value for" << componentSlug;
+        } else {
+            *componentVersion = version.toString();
+        }
+
+        QJsonArray mirrorsArray = componentObject["mirrors"].toArray();
+        if (!mirrorsArray.count()) {
+            qDebug() << "ComponentVersionFetcher: undefined “mirrors” key for " << componentSlug;
+        } else {
+            componentMirror = mirrorsArray.first().toString();
+        }
+
+        QJsonObject parcelsObject = componentObject["parcels"].toObject();
+        if (parcelsObject.isEmpty()) {
+            qDebug() << "ComponentVersionFetcher: undefined “parcels” key for" << componentSlug;
+        } else {
+            QJsonObject systemObject = parcelsObject[componentSystem].toObject();
+            if (systemObject.isEmpty()) {
+                qDebug() << "ComponentVersionFetcher: undefined “" << componentSystem << "” key for " << componentSlug;
+            } else {
+                QJsonValue path = systemObject.value("path");
+                if (path == QJsonValue::Undefined) {
+                    qDebug() << "ComponentVersionFetcher: undefined “path” value for" << componentSlug;
+                } else {
+                    componentPath = path.toString();
+                }
+            }
+        }
+
+        *componentUrl = componentMirror + componentPath;
+
+        qDebug() << "ComponentVersionFetcher: fetched component =" << componentSlug;
+        qDebug() << "ComponentVersionFetcher: fetched system =" << componentSystem;
+        qDebug() << "ComponentVersionFetcher: fetched version =" << *componentVersion;
+        qDebug() << "ComponentVersionFetcher: fetched mirror =" << componentMirror;
+        qDebug() << "ComponentVersionFetcher: fetched path =" << componentPath;
+        qDebug() << "ComponentVersionFetcher: fetched url =" << *componentUrl;
+    }
+}
+
 void CurrentVersionFetcher::reply(QNetworkReply* reply)
 {
-    QString game;
-    QString updater;
+    QString updaterVersion;
+    QString updaterUrl;
+    QString gameVersion;
+    QString gameUrl;
+    QString newsVersion;
+    QString newsUrl;
+
     if (reply->error() != QNetworkReply::NoError) {
         qDebug() << "CurrentVersionFetcher: network error";
-        emit onCurrentVersions(updater, game);
+        emit onCurrentVersions(updaterVersion, updaterUrl, gameVersion, gameUrl, newsUrl);
         return;
     }
+
     QJsonParseError error;
     QJsonDocument json = QJsonDocument::fromJson(reply->readAll(), &error);
     if (error.error != QJsonParseError::NoError) {
         qDebug() << "CurrentVersionFetcher: JSON parsing error";
-        emit onCurrentVersions(updater, game);
+        emit onCurrentVersions(updaterVersion, updaterUrl, gameVersion, gameUrl, newsUrl);
         return;
     }
-    QJsonValue value = json.object().value("updater");
-    if (value != QJsonValue::Undefined) {
-        updater = value.toString();
-    } else {
-        qDebug() << "CurrentVersionFetcher: undefined “updater” value";
-    }
-    value = json.object().value("unvanquished");
-    if (value != QJsonValue::Undefined) {
-        game = value.toString();
-    } else {
-        qDebug() << "CurrentVersionFetcher: undefined “unvanquished” value";
-    }
-    qDebug() << "CurrentVersionFetcher: fetched versions: updater =" << updater << "game =" << game;
-    emit onCurrentVersions(updater, game);
+
+    QJsonObject jsonObject = json.object();
+
+    ComponentVersionFetcher(jsonObject, "updater", Sys::updaterSystem(), &updaterVersion, &updaterUrl);
+
+    ComponentVersionFetcher(jsonObject, "game", "all-all", &gameVersion, &gameUrl);
+
+    ComponentVersionFetcher(jsonObject, "news", "all-all", &newsVersion, &newsUrl);
+
+    emit onCurrentVersions(updaterVersion, updaterUrl, gameVersion, gameUrl, newsUrl);
 }
 

currentversionfetcher.h

@@ -31,7 +31,7 @@ class CurrentVersionFetcher : public QObject
     void fetchCurrentVersion(QString url);
 
 signals:
-    void onCurrentVersions(QString updater, QString game);
+    void onCurrentVersions(QString updaterVersion, QString updaterUrl, QString gameVersion, QString gameUrl, QString newsUrl);
 
 private slots:
     void reply(QNetworkReply* reply);

deployment.md

@@ -1,6 +1,6 @@
 ## Network resources used by the updater
 - News REST endpoint which returns links to Wordpress articles on unvanquished.net. The featured image in each news article must be a type which is supported by the updater (see issue #51). Currently PNG and JPEG are known to work.
-- versions.json file on unvanquished.net, used to determine whether update is needed
+- current.json file on unvanquished.net, used to determine whether update is needed
 - Github releases. These are targeted by download links on unvanquished.net and by the updater's self-update process.
 - Torrent URL used to download the latest game version
 
@@ -36,4 +36,4 @@
         ```
     2. Upload `UnvUpdaterWin.zip` and `UnvanquishedUpdater.exe` from `build-docker/release-win/`.
 
-4. Bump the updater version on unvanquished.net to the new tag, so that it is reflected in versions.json and the download links.
+4. Bump the updater version on unvanquished.net to the new tag, so that it is reflected in current.json and the download links.

gamelauncher.cpp

@@ -31,7 +31,7 @@ GameLauncher::GameLauncher(const QString& connectUrl, const Settings& settings)
 // Does our version of daemon have -connect-trusted?
 static bool haveConnectTrusted(const QString& gameVersion)
 {
-    // Updater version up to v0.2.0 may set "unknown" as game version if versions.json request fails
+    // Updater version up to v0.2.0 may set "unknown" as game version if current.json request fails
     if (gameVersion == "unknown")
         return false;
     // Hacky string comparison, assume we won't go down to 0.9 or up to 0.100 :)

linux.cpp

@@ -82,6 +82,11 @@ QString archiveName()
     return "linux-amd64.zip";
 }
 
+QString updaterSystem()
+{
+    return "linux-amd64";
+}
+
 void migrateHomePath()
 {
     QString legacyHomePath = QDir::homePath() + "/.unvanquished";
@@ -265,11 +270,6 @@ bool updateUpdater(const QString& updaterArchive, const QString& connectUrl)
     return false;
 }
 
-QString updaterArchiveName()
-{
-    return "UnvUpdaterLinux.zip";
-}
-
 std::string getCertStore()
 {
     // From Go: https://golang.org/src/crypto/x509/root_linux.go

main.cpp

@@ -63,7 +63,7 @@ struct CommandLineOptions {
     QString ariaLogFilename;
     int splashMilliseconds = 3000;
     RelaunchCommand relaunchCommand = RelaunchCommand::NONE;
-    QString updateUpdaterVersion;
+    QString updateUpdaterUrl;
     QString connectUrl;
 };
 
@@ -122,13 +122,16 @@ CommandLineOptions getCommandLineOptions(const QApplication& app) {
     splashMsOption.setValueName("duration in milliseconds");
     QCommandLineOption internalCommandOption("internalcommand");
     internalCommandOption.setValueName("command");
+    QCommandLineOption updaterUrl("updaterurl");
+    updaterUrl.setValueName("url");
     QCommandLineParser optionParser;
     optionParser.addHelpOption();
     optionParser.addVersionOption();
     optionParser.addOption(logFileNameOption);
     optionParser.addOption(ariaLogFilenameOption);
     optionParser.addOption(splashMsOption);
     optionParser.addOption(internalCommandOption);
+    optionParser.addOption(updaterUrl);
     optionParser.addPositionalArgument("URL", "address of Unvanquished server to connect to", "[URL]");
     optionParser.process(app);
     CommandLineOptions options;
@@ -145,9 +148,13 @@ CommandLineOptions getCommandLineOptions(const QApplication& app) {
             options.relaunchCommand = RelaunchCommand::PLAY_NOW;
         } else if (command == "updategame") {
             options.relaunchCommand = RelaunchCommand::UPDATE_GAME;
-        } else if (command.startsWith("updateupdater:")) {
+        } else if (command.startsWith("updateupdater")) {
             options.relaunchCommand = RelaunchCommand::UPDATE_UPDATER;
-            options.updateUpdaterVersion = command.section(':', 1);
+            if (optionParser.isSet(updaterUrl)) {
+                options.updateUpdaterUrl = optionParser.value(updaterUrl);
+            } else {
+                options.updateUpdaterUrl = "";
+            }
         } else {
             argParseError("Invalid --internalcommand option: " + command);
         }
@@ -209,9 +216,9 @@ int main(int argc, char *argv[])
     }
 
     SplashController splashController(
-        options.relaunchCommand, options.updateUpdaterVersion, options.connectUrl, settings);
+        options.relaunchCommand, options.updateUpdaterUrl, options.connectUrl, settings);
     splashController.checkForUpdate();
-    QmlDownloader downloader(options.ariaLogFilename, options.connectUrl, settings);
+    QmlDownloader downloader(options.ariaLogFilename, options.connectUrl, splashController, settings);
     QQmlApplicationEngine engine;
     engine.addImportPath(QLatin1String("qrc:/"));
     engine.addImageProvider(QLatin1String("fluidicons"), new IconsImageProvider());

osx.cpp

@@ -53,6 +53,11 @@ QString archiveName()
     return "macos-amd64.zip";
 }
 
+QString updaterSystem()
+{
+    return "macos-amd64";
+}
+
 QString defaultInstallPath()
 {
     return QDir::homePath() +  "/Games/Unvanquished";
@@ -163,11 +168,6 @@ bool updateUpdater(const QString& updaterArchive, const QString&)
     return true;
 }
 
-QString updaterArchiveName()
-{
-    return "UnvUpdaterOSX.zip";
-}
-
 std::string getCertStore()
 {
     return "";  // Not used on OSX.

qmldownloader.cpp

@@ -23,11 +23,11 @@
 #include "qmldownloader.h"
 #include "system.h"
 
-static const QString UPDATER_BASE_URL("https://github.com/Unvanquished/updater/releases/download");
 
-QmlDownloader::QmlDownloader(QString ariaLogFilename, QString connectUrl, Settings& settings) :
+QmlDownloader::QmlDownloader(QString ariaLogFilename, QString connectUrl, SplashController& splashController, Settings& settings) :
         ariaLogFilename_(ariaLogFilename),
         connectUrl_(connectUrl),
+        splashController_(splashController),
         settings_(settings),
         downloadSpeed_(0),
         uploadSpeed_(0),
@@ -42,6 +42,14 @@ QmlDownloader::~QmlDownloader()
     stopAria();
 }
 
+QString QmlDownloader::newsFallbackUrl() const {
+	return "qrc:/resources/disconnected_posts.json";
+}
+
+QString QmlDownloader::newsUrl() const {
+	return splashController_.newsUrl();
+}
+
 int QmlDownloader::downloadSpeed() const {
     return downloadSpeed_;
 }
@@ -155,6 +163,9 @@ void QmlDownloader::startUpdate(const QString& selectedInstallPath)
         emit fatalMessage("Install dir not writable. Please select another");
         return;
     }
+
+	QString gameUrl = splashController_.gameUrl();
+    qDebug()  << "Using torrent file:" << gameUrl;
     // Persist the install path only now that download has been initiated and we know the path is good
     emit statusMessage("Installing to " + dir.canonicalPath());
     if (settings_.installPath() != selectedInstallPath) {
@@ -166,7 +177,7 @@ void QmlDownloader::startUpdate(const QString& selectedInstallPath)
     setState(DOWNLOADING);
     worker_ = new DownloadWorker(ariaLogFilename_);
     worker_->setDownloadDirectory(dir.canonicalPath().toStdString());
-    worker_->addTorrent("https://cdn.unvanquished.net/current.torrent");
+    worker_->addTorrent(gameUrl.toStdString());
     worker_->moveToThread(&thread_);
     connect(&thread_, SIGNAL(finished()), worker_, SLOT(deleteLater()));
     connect(worker_, SIGNAL(onDownloadEvent(int)), this, SLOT(onDownloadEvent(int)));
@@ -201,14 +212,13 @@ void QmlDownloader::stopAria()
     }
 }
 
-void QmlDownloader::startUpdaterUpdate(QString version)
+void QmlDownloader::startUpdaterUpdate(QString updaterUrl)
 {
-    QString url = UPDATER_BASE_URL + "/" + version + "/" + Sys::updaterArchiveName();
     temp_dir_.reset(new QTemporaryDir());
     worker_ = new DownloadWorker(ariaLogFilename_);
     worker_->setDownloadDirectory(QDir(temp_dir_->path()).canonicalPath().toStdString());
     worker_->setConnectUrl(connectUrl_);
-    worker_->addUpdaterUri(url.toStdString());
+    worker_->addUpdaterUri(updaterUrl.toStdString());
     worker_->moveToThread(&thread_);
     connect(&thread_, SIGNAL(finished()), worker_, SLOT(deleteLater()));
     connect(worker_, SIGNAL(onDownloadEvent(int)), this, SLOT(onDownloadEvent(int)));