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@ -11,7 +11,9 @@ import (
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model "github.com/HFO4/cloudreve/models"
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model "github.com/HFO4/cloudreve/models"
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"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
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"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
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"github.com/HFO4/cloudreve/pkg/filesystem/response"
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"github.com/HFO4/cloudreve/pkg/filesystem/response"
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"github.com/HFO4/cloudreve/pkg/request"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/HFO4/cloudreve/pkg/serializer"
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"github.com/HFO4/cloudreve/pkg/util"
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"github.com/aliyun/aliyun-oss-go-sdk/oss"
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"github.com/aliyun/aliyun-oss-go-sdk/oss"
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"io"
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"io"
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"net/url"
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"net/url"
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@ -39,12 +41,20 @@ type Handler struct {
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bucket *oss.Bucket
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bucket *oss.Bucket
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}
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}
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type key int
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const (
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// VersionID 文件版本标识
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VersionID key = iota
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)
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// InitOSSClient 初始化OSS鉴权客户端
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// InitOSSClient 初始化OSS鉴权客户端
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func (handler *Handler) InitOSSClient() error {
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func (handler *Handler) InitOSSClient() error {
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if handler.Policy == nil {
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if handler.Policy == nil {
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return errors.New("存储策略为空")
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return errors.New("存储策略为空")
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}
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}
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if handler.client == nil {
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// 初始化客户端
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// 初始化客户端
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client, err := oss.New(handler.Policy.Server, handler.Policy.AccessKey, handler.Policy.SecretKey)
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client, err := oss.New(handler.Policy.Server, handler.Policy.AccessKey, handler.Policy.SecretKey)
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if err != nil {
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if err != nil {
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@ -59,12 +69,49 @@ func (handler *Handler) InitOSSClient() error {
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}
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}
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handler.bucket = bucket
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handler.bucket = bucket
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}
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return nil
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return nil
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}
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}
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// Get 获取文件
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// Get 获取文件
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func (handler Handler) Get(ctx context.Context, path string) (response.RSCloser, error) {
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func (handler Handler) Get(ctx context.Context, path string) (response.RSCloser, error) {
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return nil, errors.New("未实现")
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// 通过VersionID禁止缓存
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ctx = context.WithValue(ctx, VersionID, time.Now().UnixNano())
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// 获取文件源地址
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downloadURL, err := handler.Source(
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ctx,
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path,
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url.URL{},
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int64(model.GetIntSetting("preview_timeout", 60)),
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false,
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0,
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)
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if err != nil {
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return nil, err
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}
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// 获取文件数据流
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client := request.HTTPClient{}
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resp, err := client.Request(
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"GET",
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downloadURL,
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nil,
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request.WithContext(ctx),
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).CheckHTTPResponse(200).GetRSCloser()
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if err != nil {
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return nil, err
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}
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resp.SetFirstFakeChunk()
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// 尝试自主获取文件大小
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if file, ok := ctx.Value(fsctx.FileModelCtx).(model.File); ok {
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resp.SetContentLength(int64(file.Size))
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}
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return resp, nil
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}
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}
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// Put 将文件流保存到指定目录
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// Put 将文件流保存到指定目录
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@ -73,14 +120,60 @@ func (handler Handler) Put(ctx context.Context, file io.ReadCloser, dst string,
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}
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}
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// Delete 删除一个或多个文件,
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// Delete 删除一个或多个文件,
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// 返回未删除的文件,及遇到的最后一个错误
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// 返回未删除的文件
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func (handler Handler) Delete(ctx context.Context, files []string) ([]string, error) {
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func (handler Handler) Delete(ctx context.Context, files []string) ([]string, error) {
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return []string{}, errors.New("未实现")
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// 初始化客户端
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if err := handler.InitOSSClient(); err != nil {
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return files, err
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}
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// 删除文件
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delRes, err := handler.bucket.DeleteObjects(files)
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if err != nil {
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return files, err
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}
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// 统计未删除的文件
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failed := util.SliceDifference(files, delRes.DeletedObjects)
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if len(failed) > 0 {
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return failed, errors.New("删除失败")
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}
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return []string{}, nil
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}
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}
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// Thumb 获取文件缩略图
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// Thumb 获取文件缩略图
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func (handler Handler) Thumb(ctx context.Context, path string) (*response.ContentResponse, error) {
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func (handler Handler) Thumb(ctx context.Context, path string) (*response.ContentResponse, error) {
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return nil, errors.New("未实现")
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// 初始化客户端
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if err := handler.InitOSSClient(); err != nil {
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return nil, err
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}
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var (
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thumbSize = [2]uint{400, 300}
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ok = false
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)
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if thumbSize, ok = ctx.Value(fsctx.ThumbSizeCtx).([2]uint); !ok {
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return nil, errors.New("无法获取缩略图尺寸设置")
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}
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thumbParam := fmt.Sprintf("image/resize,m_lfit,h_%d,w_%d", thumbSize[1], thumbSize[0])
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thumbOption := []oss.Option{oss.Process(thumbParam)}
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thumbURL, err := handler.signSourceURL(
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ctx,
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path,
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int64(model.GetIntSetting("preview_timeout", 60)),
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thumbOption,
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)
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if err != nil {
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return nil, err
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}
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return &response.ContentResponse{
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Redirect: true,
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URL: thumbURL,
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}, nil
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}
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}
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// Source 获取外链URL
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// Source 获取外链URL
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@ -123,6 +216,10 @@ func (handler Handler) Source(
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}
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}
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func (handler Handler) signSourceURL(ctx context.Context, path string, ttl int64, options []oss.Option) (string, error) {
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func (handler Handler) signSourceURL(ctx context.Context, path string, ttl int64, options []oss.Option) (string, error) {
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// 是否带有 Version ID
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if versionID, ok := ctx.Value(VersionID).(int64); ok {
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}
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signedURL, err := handler.bucket.SignURL(path, oss.HTTPGet, ttl, options...)
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signedURL, err := handler.bucket.SignURL(path, oss.HTTPGet, ttl, options...)
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if err != nil {
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if err != nil {
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return "", err
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return "", err
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