You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
cloudreve/pkg/filesystem/driver/onedrive/handler.go

161 lines
4.0 KiB

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

package onedrive
import (
"context"
"errors"
"fmt"
model "github.com/HFO4/cloudreve/models"
"github.com/HFO4/cloudreve/pkg/cache"
"github.com/HFO4/cloudreve/pkg/filesystem/fsctx"
"github.com/HFO4/cloudreve/pkg/filesystem/response"
"github.com/HFO4/cloudreve/pkg/request"
"github.com/HFO4/cloudreve/pkg/serializer"
"io"
"net/url"
"time"
)
// Driver OneDrive 适配器
type Driver struct {
Policy *model.Policy
Client *Client
HTTPClient request.Client
}
// Get 获取文件
func (handler Driver) Get(ctx context.Context, path string) (response.RSCloser, error) {
// 获取文件源地址
downloadURL, err := handler.Source(
ctx,
path,
url.URL{},
60,
false,
0,
)
if err != nil {
return nil, err
}
// 获取文件数据流
resp, err := handler.HTTPClient.Request(
"GET",
downloadURL,
nil,
request.WithContext(ctx),
request.WithTimeout(time.Duration(0)),
).CheckHTTPResponse(200).GetRSCloser()
if err != nil {
return nil, err
}
resp.SetFirstFakeChunk()
// 尝试自主获取文件大小
if file, ok := ctx.Value(fsctx.FileModelCtx).(model.File); ok {
resp.SetContentLength(int64(file.Size))
}
return resp, nil
}
// Put 将文件流保存到指定目录
func (handler Driver) Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error {
defer file.Close()
return handler.Client.Upload(ctx, dst, int(size), file)
}
// Delete 删除一个或多个文件,
// 返回未删除的文件,及遇到的最后一个错误
func (handler Driver) Delete(ctx context.Context, files []string) ([]string, error) {
return handler.Client.BatchDelete(ctx, files)
}
// Thumb 获取文件缩略图
func (handler Driver) Thumb(ctx context.Context, path string) (*response.ContentResponse, error) {
var (
thumbSize = [2]uint{400, 300}
ok = false
)
if thumbSize, ok = ctx.Value(fsctx.ThumbSizeCtx).([2]uint); !ok {
return nil, errors.New("无法获取缩略图尺寸设置")
}
res, err := handler.Client.GetThumbURL(ctx, path, thumbSize[0], thumbSize[1])
if err != nil {
// 如果出现异常就清空文件的pic_info
if file, ok := ctx.Value(fsctx.FileModelCtx).(model.File); ok {
file.UpdatePicInfo("")
}
}
return &response.ContentResponse{
Redirect: true,
URL: res,
}, err
}
// Source 获取外链URL
func (handler Driver) Source(
ctx context.Context,
path string,
baseURL url.URL,
ttl int64,
isDownload bool,
speed int,
) (string, error) {
// 尝试从缓存中查找
if cachedURL, ok := cache.Get(fmt.Sprintf("onedrive_source_%d_%s", handler.Policy.ID, path)); ok {
return cachedURL.(string), nil
}
// 缓存不存在,重新获取
res, err := handler.Client.Meta(ctx, "", path)
if err == nil {
// 写入新的缓存
cache.Set(
fmt.Sprintf("onedrive_source_%d_%s", handler.Policy.ID, path),
res.DownloadURL,
model.GetIntSetting("onedrive_source_timeout", 1800),
)
return res.DownloadURL, nil
}
return "", err
}
// Token 获取上传会话URL
func (handler Driver) Token(ctx context.Context, TTL int64, key string) (serializer.UploadCredential, error) {
// 读取上下文中生成的存储路径和文件大小
savePath, ok := ctx.Value(fsctx.SavePathCtx).(string)
if !ok {
return serializer.UploadCredential{}, errors.New("无法获取存储路径")
}
fileSize, ok := ctx.Value(fsctx.FileSizeCtx).(uint64)
if !ok {
return serializer.UploadCredential{}, errors.New("无法获取文件大小")
}
// 如果小于4MB则由服务端中转
if fileSize <= SmallFileSize {
return serializer.UploadCredential{}, nil
}
// 生成回调地址
siteURL := model.GetSiteURL()
apiBaseURI, _ := url.Parse("/api/v3/callback/onedrive/finish/" + key)
apiURL := siteURL.ResolveReference(apiBaseURI)
uploadURL, err := handler.Client.CreateUploadSession(ctx, savePath, WithConflictBehavior("fail"))
if err != nil {
return serializer.UploadCredential{}, err
}
// 监控回调及上传
go handler.Client.MonitorUpload(uploadURL, key, savePath, fileSize, TTL)
return serializer.UploadCredential{
Policy: uploadURL,
Token: apiURL.String(),
}, nil
}