4.0

src/backend/downloadworker.cpp

@@ -0,0 +1,248 @@
+#include "downloadworker.h"
+#include <QEventLoop>
+#include <QProcess>
+#include <QRegularExpression>
+#include <QDir>
+#include <QtConcurrent>
+
+DownloadController::DownloadController(QObject *parent)
+{
+    Q_UNUSED(parent)
+
+    // 初始化默认域名
+    domains.clear();
+    domains.append("d.store.deepinos.org.cn");
+
+    /*
+    domains = {
+        "d1.store.deepinos.org.cn",
+        "d2.store.deepinos.org.cn",
+        "d3.store.deepinos.org.cn",
+        "d4.store.deepinos.org.cn",
+        "d5.store.deepinos.org.cn"
+    };
+    */
+    this->threadNum = domains.size();
+}
+
+void DownloadController::setFilename(QString filename)
+{
+    this->filename = filename;
+}
+
+
+bool checkMeatlink(QString metaUrl)
+{
+    QFile metaStatus("/tmp/spark-store/metaStatus.txt");
+    if (metaStatus.exists())
+    {
+        metaStatus.remove();
+    }
+    system("curl -I -s --connect-timeout 5 " + metaUrl.toUtf8() + " -w  %{http_code}  |tail -n1 > /tmp/spark-store/metaStatus.txt");
+    if (metaStatus.open(QFile::ReadOnly) && QString(metaStatus.readAll()).toUtf8() == "200")
+    {
+        metaStatus.remove();
+        return true;
+    }
+    return false;
+}
+
+void gennerateDomain(QVector<QString> &domains)
+{
+    QFile serverList(QDir::homePath().toUtf8() + "/.config/spark-store/server.list");
+    if (serverList.open(QFile::ReadOnly))
+    {
+        QStringList list = QString(serverList.readAll()).trimmed().split("\n");
+        qDebug() << list << list.size();
+        domains.clear();
+
+        for (int i = 0; i < list.size(); i++)
+        {
+            if (list.at(i).contains("镜像源 Download only") && i + 1 < list.size())
+            {
+                for (int j = i + 1; j < list.size(); j++)
+                {
+                    domains.append(list.at(j));
+                }
+                break;
+            }
+        }
+        if (domains.size() == 0)
+        {
+            domains.append("d.store.deepinos.org.cn");
+        }
+    }
+}
+
+/**
+ * @brief 开始下载
+ */
+void DownloadController::startDownload(const QString &url)
+{
+    // 获取下载任务信息
+    fileSize = getFileSize(url);
+    if (fileSize == 0)
+    {
+        emit errorOccur("文件大小获取失败");
+        return;
+    }
+
+    QtConcurrent::run([=]()
+                      {
+        QString metaUrl = url + ".metalink";
+        qDebug() << "metalink" << metaUrl;
+        bool useMetalink = false;
+        if (checkMeatlink(metaUrl)){
+            useMetalink = true;
+            qDebug() << "useMetalink:" << useMetalink;
+        }else{
+            gennerateDomain(domains);
+            // qDebug() << domains << domains.size();
+        }
+
+        QString aria2Command = "-d";
+        QString aria2Urls = "";
+        QString aria2Verbose = "--summary-interval=1";
+        QString aria2SizePerThreads = "--min-split-size=1M"; 
+        QString aria2NoConfig = "--no-conf";
+        QString aria2NoSeeds = "--seed-time=0";
+        QStringList command;
+        QString downloadDir = "/tmp/spark-store/";
+        QString aria2ConnectionPerServer = "--max-connection-per-server=1";
+        QString aria2ConnectionMax = "--max-concurrent-downloads=16";
+        QString aria2DNSCommand = "--async-dns-server=119.29.29.29,223.5.5.5";
+
+        if (useMetalink){
+            command.append(metaUrl.toUtf8());
+        }
+        else{
+            for (int i = 0; i < domains.size(); i++)
+            {
+                command.append(replaceDomain(url, domains.at(i)).replace("+","%2B").toUtf8()); //对+进行转译，避免oss出错
+            }
+        }
+
+
+        qint64 downloadSizeRecord = 0;
+        QString speedInfo = "";
+        QString percentInfo = "";
+        command.append(aria2Command.toUtf8());
+        command.append(downloadDir.toUtf8());
+        command.append(aria2Verbose.toUtf8());
+        command.append(aria2NoConfig.toUtf8());
+        command.append(aria2SizePerThreads.toUtf8());
+        command.append(aria2ConnectionPerServer.toUtf8());
+        command.append(aria2ConnectionMax.toUtf8());
+        command.append(aria2DNSCommand.toUtf8());
+        if (useMetalink){
+            command.append(aria2NoSeeds.toUtf8());
+        }
+        qDebug() << command;
+        auto cmd = new QProcess();
+        cmd->setProcessChannelMode(QProcess::MergedChannels);
+        cmd->setProgram("aria2c");
+        cmd->setArguments(command);
+        cmd->start();
+        cmd->waitForStarted(); //等待启动完成
+
+        QObject::connect(cmd, &QProcess::readyReadStandardOutput,
+        [&]()
+        {
+            //通过读取输出计算下载速度
+            QString message = cmd->readAllStandardOutput().data();
+            // qDebug() << message;
+            message = message.replace(" ", "");
+            QStringList list;
+            qint64 downloadSize = 0;
+            int downloadSizePlace1 = message.indexOf("(");
+            int downloadSizePlace2 = message.indexOf(")");
+            int speedPlace1 = message.indexOf("DL:");
+            int speedPlace2 = message.indexOf("ETA");
+            if (downloadSizePlace1 != -1 && downloadSizePlace2 != -1)
+            {
+                percentInfo = message.mid(downloadSizePlace1 + 1, downloadSizePlace2 - downloadSizePlace1 - 1).replace("%", "");
+                if (percentInfo != "s")
+                {
+                    int percentInfoNumber = percentInfo.toUInt();
+
+                    downloadSize = percentInfoNumber * fileSize / 100;
+                }
+            }
+            if (speedPlace1 != -1 && speedPlace2 != -1 && speedPlace2 - speedPlace1 <= 15)
+            {
+                speedInfo = message.mid(speedPlace1 + 3, speedPlace2 - speedPlace1 - 3);
+                speedInfo += "/s";
+            }
+            // qDebug() << percentInfo << speedInfo;
+            if (downloadSize >= downloadSizeRecord)
+            {
+                downloadSizeRecord = downloadSize;
+            }
+            if (percentInfo == "OK")
+            {
+                finished = true;
+                emit downloadProcess("", fileSize, fileSize);
+                qDebug() << "finished:" << finished;
+            }
+            else
+            {
+                emit downloadProcess(speedInfo, downloadSizeRecord, fileSize);
+            }
+        });
+        QObject::connect(cmd, &QProcess::readyReadStandardError,
+        [&]()
+        {
+            emit errorOccur(cmd->readAllStandardError().data());
+            return;
+        });
+
+        auto pidNumber = cmd->processId();
+        this->pidNumber = pidNumber;
+        while (cmd->waitForFinished(-1))
+        {
+            continue;
+        }
+
+        // 统计下载量
+        QString SenderdPath = "/opt/durapps/spark-store/bin/ss-feedback/sender-d";
+        /*
+        * https://en.wikipedia.org/wiki/HD_70642
+        * HD 70642 is a star with an exoplanetary companion in the southern constellation of Puppis. 
+        */
+        QProcess mailProcess;
+        mailProcess.start(SenderdPath.toUtf8() + " " + metaUrl.toUtf8() + " " + "HD70642");
+        mailProcess.waitForStarted();
+        mailProcess.waitForFinished(3);
+        mailProcess.deleteLater();
+
+
+        emit downloadFinished(); });
+}
+
+/**
+ * @brief 停止下载
+ */
+void DownloadController::stopDownload()
+{
+    // 实现下载进程退出
+    QString killCmd = QString("kill -9 %1").arg(pidNumber);
+    system(killCmd.toUtf8());
+    qDebug() << "kill aria2!";
+}
+
+qint64 DownloadController::getFileSize(const QString &url)
+{
+    // 已经无需使用 qtnetwork 再获取 filesize，完全交给 aria2 来计算进度。 为保证兼容性，故保留此函数。
+    qint64 fileSize = 10000;
+    return fileSize;
+}
+
+QString DownloadController::replaceDomain(const QString &url, const QString domain)
+{
+    QRegularExpression regex(R"((?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z0-9][a-z0-9-]{0,61}[a-z0-9])");
+    if (regex.match(url).hasMatch())
+    {
+        return QString(url).replace(regex.match(url).captured(), domain);
+    }
+    return url;
+}

src/backend/downloadworker.h

@@ -0,0 +1,41 @@
+#ifndef DOWNLOADWORKER_H
+#define DOWNLOADWORKER_H
+
+#include <QObject>
+#include <QList>
+#include <QFile>
+#include <QNetworkReply>
+
+class DownloadController : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit DownloadController(QObject *parent = nullptr);
+
+    void setFilename(QString filename);
+    void startDownload(const QString &url);
+    void stopDownload();
+    qint64 getFileSize(const QString& url);
+    QString replaceDomain(const QString& url, const QString domain);
+
+private:
+    int threadNum;
+    int pidNumber;
+    QString filename;
+    qint64 fileSize;
+    QVector<QPair<qint64, qint64>> ranges;
+    QFile *file;
+    bool finished = false;
+    QVector<QString> domains;
+
+
+
+signals:
+    void errorOccur(const QString& msg);
+    void downloadProcess(QString, qint64, qint64);
+    void downloadFinished();
+
+};
+
+#endif // FILEDOWNLOADWORKER_H

src/backend/image_show.cpp

@@ -0,0 +1,57 @@
+#include "image_show.h"
+
+#include <QHBoxLayout>
+#include <QScreen>  // Qt5 不再建议使用 QDesktopWidget
+#include <QGuiApplication>
+
+image_show::image_show(QWidget *parent) :
+    QWidget(parent),
+    m_dialog(new big_image),
+    m_label(new QLabel)
+{
+    QHBoxLayout *layout = new QHBoxLayout;
+    layout->addWidget(m_label);
+    setLayout(layout);
+    m_label->setText("layout");
+    m_label->setScaledContents(true);
+}
+
+void image_show::setImage(QPixmap image)
+{
+    QImage screen0;
+    screen0 = image.toImage();
+    QImage re_screen1;
+    QImage re_screen0 = screen0.scaled(QSize(400, 300), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+
+    // 获取主屏幕尺寸
+    desktop_w = QGuiApplication::primaryScreen()->geometry().width();
+    desktop_h = QGuiApplication::primaryScreen()->geometry().height();
+
+    if(screen0.width() > (desktop_w - 20) || screen0.height() > (desktop_h - 20))
+    {
+        re_screen1 = screen0.scaled(QSize(desktop_w - 20, desktop_h - 20), Qt::KeepAspectRatio, Qt::SmoothTransformation);
+        m_image = QPixmap::fromImage(re_screen1);
+    }
+    else
+    {
+        m_image = image;
+    }
+
+    m_label->setPixmap(QPixmap::fromImage(re_screen0));
+}
+
+void image_show::mousePressEvent(QMouseEvent *)
+{
+    m_dialog->setimage(m_image);
+    m_dialog->showFullScreen();
+
+    // 识别主屏幕尺寸并设置 widget 大小
+    m_dialog->setFixedSize(desktop_w, desktop_h);
+
+    m_dialog->move(0,0);
+}
+image_show::~image_show()
+{
+    delete m_dialog;
+    delete m_label;
+}

src/backend/image_show.h

@@ -0,0 +1,32 @@
+#ifndef IMAGE_SHOW_H
+#define IMAGE_SHOW_H
+
+#include <QWidget>
+#include <QMouseEvent>
+
+#include "widgets/big_image.h"
+
+class image_show : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit image_show(QWidget *parent = nullptr);
+
+    int desktop_w;
+    int desktop_h;
+
+    void setImage(QPixmap);
+    ~image_show();
+
+protected:
+    void mousePressEvent(QMouseEvent *event) override;
+
+private:
+    big_image *m_dialog;
+    QLabel *m_label;
+    QLabel image;
+    QPixmap m_image;
+};
+
+#endif // IMAGE_SHOW_H

src/backend/sparkapi.cpp

@@ -0,0 +1,49 @@
+#include "sparkapi.h"
+
+#include <QDebug>
+SparkAPI::SparkAPI(QObject *parent) : QObject(parent)
+{
+
+}
+void SparkAPI::get(QUrl url)
+{
+    QNetworkRequest request;
+    HttpRequest *httprequest=new HttpRequest;
+    request.setUrl(url);
+    connect(httprequest,&HttpRequest::finished,[=](QString data){
+        QByteArray arr = data.toUtf8();
+            //解析Json
+            QJsonParseError error;
+            if(QJsonDocument::fromJson(arr,&error).isArray())
+            {
+                auto doc = QJsonDocument::fromJson(arr,&error).array();
+                emit finished(doc);
+            }else {
+                auto doc = QJsonDocument::fromJson(arr,&error).object();
+                emit finishedObject(doc);
+            }
+
+            httprequest->deleteLater();
+    });
+    httprequest->getRequest(request);
+}
+void SparkAPI::getAppList(QString type)
+{
+    get(QUrl(getServerUrl()+"store/"+type+"/applist.json"));
+}
+void SparkAPI::getSearchList(QString keyword)
+{
+    get(QUrl("https://search.deepinos.org.cn/appinfo/search?keyword="+keyword));
+}
+void SparkAPI::getAppInfo(QUrl spk)
+{
+    get(QUrl(getServerUrl()+"store"+spk.path() + "/app.json"));
+}
+QString SparkAPI::getServerUrl()
+{
+    return "https://cdn.d.store.deepinos.org.cn/";
+}
+QString SparkAPI::getImgServerUrl()
+{
+    return "https://cdn.d.store.deepinos.org.cn/";
+}

src/backend/sparkapi.h

@@ -0,0 +1,27 @@
+#ifndef SPARKAPI_H
+#define SPARKAPI_H
+#include <QObject>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QJsonParseError>
+#include "utils/httprequest.h"
+
+class SparkAPI : public QObject
+{
+    Q_OBJECT
+public:
+    static QString getServerUrl();
+    static QString getImgServerUrl();
+    void getSearchList(QString keyword);
+    void get(QUrl url);
+    void getAppList(QString type);
+    void getAppInfo(QUrl spk);
+    explicit SparkAPI(QObject *parent = nullptr);
+signals:
+    void finished(QJsonArray);
+    void finishedObject(QJsonObject);
+
+public slots:
+};
+
+#endif // SPARKAPI_H