HFO4
4 years ago
parent
7804b4efb1
commit
fe8f1b1ef5
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package aria2
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import (
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model "github.com/HFO4/cloudreve/models"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/HFO4/cloudreve/pkg/util"
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"net/url"
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)
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// Instance 默认使用的Aria2处理实例
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var Instance Aria2 = &DummyAria2{}
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// Aria2 离线下载处理接口
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type Aria2 interface {
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// CreateTask 创建新的任务
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CreateTask(task *model.Download) error
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}
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const (
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// URLTask 从URL添加的任务
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URLTask = iota
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// TorrentTask 种子任务
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TorrentTask
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)
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const (
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// Ready 准备就绪
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Ready = iota
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)
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var (
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// ErrNotEnabled 功能未开启错误
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ErrNotEnabled = serializer.NewError(serializer.CodeNoPermissionErr, "离线下载功能未开启", nil)
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)
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// DummyAria2 未开启Aria2功能时使用的默认处理器
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type DummyAria2 struct {
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}
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// CreateTask 创建新任务，此处直接返回未开启错误
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func (instance *DummyAria2) CreateTask(task *model.Download) error {
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return ErrNotEnabled
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}
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// Init 初始化
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func Init() {
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options := model.GetSettingByNames("aria2_rpcurl", "aria2_token", "aria2_options")
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timeout := model.GetIntSetting("aria2_call_timeout", 5)
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if options["aria2_rpcurl"] == "" {
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// 未开启Aria2服务
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return
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}
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util.Log().Info("初始化 aria2 RPC 服务[%s]", options["aria2_rpcurl"])
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client := &RPCService{}
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if previousClient, ok := Instance.(*RPCService); ok {
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client = previousClient
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}
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// 解析RPC服务地址
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server, err := url.Parse(options["aria2_rpcurl"])
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if err != nil {
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util.Log().Warning("无法解析 aria2 RPC 服务地址，%s", err)
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return
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}
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server.Path = "/jsonrpc"
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// todo 加载自定义下载配置
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if err := client.Init(server.String(), options["aria2_token"], timeout, []interface{}{}); err != nil {
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util.Log().Warning("初始化 aria2 RPC 服务失败，%s", err)
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return
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}
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Instance = client
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}
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@ -0,0 +1,58 @@
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package aria2
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import (
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"context"
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model "github.com/HFO4/cloudreve/models"
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"github.com/zyxar/argo/rpc"
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"path/filepath"
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"strconv"
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"time"
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)
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// RPCService 通过RPC服务的Aria2任务管理器
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type RPCService struct {
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options *clientOptions
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caller rpc.Client
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}
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type clientOptions struct {
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Options []interface{} // 创建下载时额外添加的设置
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}
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// Init 初始化
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func (client *RPCService) Init(server, secret string, timeout int, options []interface{}) error {
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// 客户端已存在，则关闭先前连接
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if client.caller != nil {
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client.caller.Close()
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}
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client.options = &clientOptions{
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Options: options,
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}
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caller, err := rpc.New(context.Background(), server, secret, time.Duration(timeout)*time.Second,
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rpc.DummyNotifier{})
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client.caller = caller
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return err
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}
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// CreateTask 创建新任务
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func (client *RPCService) CreateTask(task *model.Download) error {
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// 生成存储路径
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task.Path = filepath.Join(
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model.GetSettingByName("aria2_temp_path"),
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"aria2",
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strconv.FormatInt(time.Now().UnixNano(), 10),
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)
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// 创建下载任务
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gid, err := client.caller.AddURI(task.Source, map[string]string{"dir": task.Path})
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if err != nil || gid == "" {
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return err
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}
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// 保存到数据库
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task.GID = gid
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_, err = task.Create()
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return err
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}
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@ -0,0 +1,17 @@
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package controllers
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import (
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"github.com/HFO4/cloudreve/service/aria2"
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"github.com/gin-gonic/gin"
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)
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// AddAria2URL 添加离线下载URL
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func AddAria2URL(c *gin.Context) {
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var addService aria2.AddURLService
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if err := c.ShouldBindJSON(&addService); err == nil {
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res := addService.Add(c)
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c.JSON(200, res)
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} else {
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c.JSON(200, ErrorResponse(err))
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}
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}
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@ -0,0 +1,53 @@
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package aria2
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import (
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model "github.com/HFO4/cloudreve/models"
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"github.com/HFO4/cloudreve/pkg/aria2"
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"github.com/HFO4/cloudreve/pkg/filesystem"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/gin-gonic/gin"
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)
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// AddURLService 添加URL离线下载服务
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type AddURLService struct {
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URL string `json:"url" binding:"required"`
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Dst string `json:"dst" binding:"required,min=1,max=65535"`
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}
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// Add 创建新的链接离线下载任务
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func (service *AddURLService) Add(c *gin.Context) serializer.Response {
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// 创建文件系统
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fs, err := filesystem.NewFileSystemFromContext(c)
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if err != nil {
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return serializer.Err(serializer.CodePolicyNotAllowed, err.Error(), err)
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}
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defer fs.Recycle()
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// 检查用户组权限
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if !fs.User.Group.OptionsSerialized.Aria2 {
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return serializer.Err(serializer.CodeGroupNotAllowed, "当前用户组无法进行此操作", nil)
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}
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// 存放目录是否存在
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var (
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exist bool
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parent *model.Folder
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)
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if exist, parent = fs.IsPathExist(service.Dst); !exist {
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return serializer.Err(serializer.CodeNotFound, "存放路径不存在", nil)
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}
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// 创建任务
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task := &model.Download{
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Status: aria2.Ready,
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Type: aria2.URLTask,
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FolderID: parent.ID,
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UserID: fs.User.ID,
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Source: service.URL,
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}
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if err := aria2.Instance.CreateTask(task); err != nil {
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return serializer.Err(serializer.CodeNotSet, "任务创建失败", err)
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}
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return serializer.Response{}
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}
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