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https://github.com/cloudreve/cloudreve.git
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Fix: filename and code typo (#260)
* Rename handller.go to handler.go * Rename handller.go to handler.go * Rename handller_test.go to handler_test.go * Rename handller.go to handler.go * Rename handller.go to handler.go * Rename handller.go to handler.go * Rename handller.go to handler.go * Fix typo
This commit is contained in:
yeungc
239
pkg/filesystem/driver/qiniu/handler.go
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239
pkg/filesystem/driver/qiniu/handler.go
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@ -0,0 +1,239 @@
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package qiniu
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import (
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"context"
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"errors"
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"fmt"
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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/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/qiniu/api.v7/v7/auth/qbox"
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"github.com/qiniu/api.v7/v7/storage"
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"io"
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"net/http"
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"net/url"
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"time"
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)
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// Driver 本地策略适配器
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type Driver struct {
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Policy *model.Policy
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}
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// Get 获取文件
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func (handler Driver) Get(ctx context.Context, path string) (response.RSCloser, error) {
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// 给文件名加上随机参数以强制拉取
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path = fmt.Sprintf("%s?v=%d", path, 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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request.WithHeader(
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http.Header{"Cache-Control": {"no-cache", "no-store", "must-revalidate"}},
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),
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request.WithTimeout(time.Duration(0)),
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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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// Put 将文件流保存到指定目录
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func (handler Driver) Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error {
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defer file.Close()
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// 凭证有效期
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credentialTTL := model.GetIntSetting("upload_credential_timeout", 3600)
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// 生成上传策略
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putPolicy := storage.PutPolicy{
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// 指定为覆盖策略
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Scope: fmt.Sprintf("%s:%s", handler.Policy.BucketName, dst),
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SaveKey: dst,
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ForceSaveKey: true,
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FsizeLimit: int64(size),
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}
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// 是否开启了MIMEType限制
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if handler.Policy.OptionsSerialized.MimeType != "" {
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putPolicy.MimeLimit = handler.Policy.OptionsSerialized.MimeType
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}
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// 生成上传凭证
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token, err := handler.getUploadCredential(ctx, putPolicy, int64(credentialTTL))
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if err != nil {
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return err
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}
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// 创建上传表单
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cfg := storage.Config{}
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formUploader := storage.NewFormUploader(&cfg)
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ret := storage.PutRet{}
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putExtra := storage.PutExtra{
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Params: map[string]string{},
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}
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// 开始上传
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err = formUploader.Put(ctx, &ret, token.Token, dst, file, int64(size), &putExtra)
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if err != nil {
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return err
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}
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return nil
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}
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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
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func (handler Driver) Delete(ctx context.Context, files []string) ([]string, error) {
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// TODO 大于一千个文件需要分批发送
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deleteOps := make([]string, 0, len(files))
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for _, key := range files {
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deleteOps = append(deleteOps, storage.URIDelete(handler.Policy.BucketName, key))
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}
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mac := qbox.NewMac(handler.Policy.AccessKey, handler.Policy.SecretKey)
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cfg := storage.Config{
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UseHTTPS: true,
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}
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bucketManager := storage.NewBucketManager(mac, &cfg)
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rets, err := bucketManager.Batch(deleteOps)
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// 处理删除结果
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if err != nil {
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failed := make([]string, 0, len(rets))
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for k, ret := range rets {
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if ret.Code != 200 {
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failed = append(failed, files[k])
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}
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}
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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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// Thumb 获取文件缩略图
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func (handler Driver) Thumb(ctx context.Context, path string) (*response.ContentResponse, error) {
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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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path = fmt.Sprintf("%s?imageView2/1/w/%d/h/%d", path, thumbSize[0], thumbSize[1])
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return &response.ContentResponse{
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Redirect: true,
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URL: 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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),
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}, nil
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}
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// Source 获取外链URL
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func (handler Driver) Source(
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ctx context.Context,
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path string,
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baseURL url.URL,
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ttl int64,
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isDownload bool,
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speed int,
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) (string, error) {
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// 尝试从上下文获取文件名
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fileName := ""
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if file, ok := ctx.Value(fsctx.FileModelCtx).(model.File); ok {
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fileName = file.Name
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}
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// 加入下载相关设置
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if isDownload {
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path = path + "?attname=" + url.PathEscape(fileName)
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}
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// 取得原始文件地址
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return handler.signSourceURL(ctx, path, ttl), nil
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}
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func (handler Driver) signSourceURL(ctx context.Context, path string, ttl int64) string {
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var sourceURL string
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if handler.Policy.IsPrivate {
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mac := qbox.NewMac(handler.Policy.AccessKey, handler.Policy.SecretKey)
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deadline := time.Now().Add(time.Second * time.Duration(ttl)).Unix()
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sourceURL = storage.MakePrivateURL(mac, handler.Policy.BaseURL, path, deadline)
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} else {
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sourceURL = storage.MakePublicURL(handler.Policy.BaseURL, path)
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}
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return sourceURL
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}
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// Token 获取上传策略和认证Token
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func (handler Driver) Token(ctx context.Context, TTL int64, key string) (serializer.UploadCredential, error) {
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// 生成回调地址
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siteURL := model.GetSiteURL()
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apiBaseURI, _ := url.Parse("/api/v3/callback/qiniu/" + key)
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apiURL := siteURL.ResolveReference(apiBaseURI)
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// 读取上下文中生成的存储路径
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savePath, ok := ctx.Value(fsctx.SavePathCtx).(string)
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if !ok {
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return serializer.UploadCredential{}, errors.New("无法获取存储路径")
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}
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// 创建上传策略
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putPolicy := storage.PutPolicy{
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Scope: handler.Policy.BucketName,
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CallbackURL: apiURL.String(),
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CallbackBody: `{"name":"$(fname)","source_name":"$(key)","size":$(fsize),"pic_info":"$(imageInfo.width),$(imageInfo.height)"}`,
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CallbackBodyType: "application/json",
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SaveKey: savePath,
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ForceSaveKey: true,
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FsizeLimit: int64(handler.Policy.MaxSize),
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}
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// 是否开启了MIMEType限制
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if handler.Policy.OptionsSerialized.MimeType != "" {
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putPolicy.MimeLimit = handler.Policy.OptionsSerialized.MimeType
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}
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return handler.getUploadCredential(ctx, putPolicy, TTL)
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}
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// getUploadCredential 签名上传策略
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func (handler Driver) getUploadCredential(ctx context.Context, policy storage.PutPolicy, TTL int64) (serializer.UploadCredential, error) {
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policy.Expires = uint64(TTL)
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mac := qbox.NewMac(handler.Policy.AccessKey, handler.Policy.SecretKey)
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upToken := policy.UploadToken(mac)
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return serializer.UploadCredential{
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Token: upToken,
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}, nil
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}
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