mirror of https://github.com/cloudreve/Cloudreve
538 lines
13 KiB
Go
538 lines
13 KiB
Go
package onedrive
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"path"
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"strings"
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"time"
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"github.com/cloudreve/Cloudreve/v4/pkg/filemanager/chunk"
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"github.com/cloudreve/Cloudreve/v4/pkg/filemanager/chunk/backoff"
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"github.com/cloudreve/Cloudreve/v4/pkg/filemanager/fs"
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"github.com/cloudreve/Cloudreve/v4/pkg/request"
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)
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const (
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// SmallFileSize 单文件上传接口最大尺寸
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SmallFileSize uint64 = 4 * 1024 * 1024
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// ChunkSize 服务端中转分片上传分片大小
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ChunkSize uint64 = 10 * 1024 * 1024
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// ListRetry 列取请求重试次数
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ListRetry = 1
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chunkRetrySleep = time.Second * 5
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notFoundError = "itemNotFound"
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)
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type RetryCtx struct{}
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// GetSourcePath 获取文件的绝对路径
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func (info *FileInfo) GetSourcePath() string {
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res, err := url.PathUnescape(info.ParentReference.Path)
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if err != nil {
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return ""
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}
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return strings.TrimPrefix(
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path.Join(
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strings.TrimPrefix(res, "/drive/root:"),
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info.Name,
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),
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"/",
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)
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}
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func (client *client) getRequestURL(api string, opts ...Option) string {
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options := newDefaultOption()
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for _, o := range opts {
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o.apply(options)
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}
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base, _ := url.Parse(client.endpoints.endpointURL)
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if base == nil {
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return ""
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}
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if options.useDriverResource {
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base.Path = path.Join(base.Path, client.endpoints.driverResource, api)
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} else {
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base.Path = path.Join(base.Path, api)
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}
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return base.String()
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}
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// ListChildren 根据路径列取子对象
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func (client *client) ListChildren(ctx context.Context, path string) ([]FileInfo, error) {
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var requestURL string
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dst := strings.TrimPrefix(path, "/")
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if dst == "" {
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requestURL = client.getRequestURL("root/children")
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} else {
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requestURL = client.getRequestURL("root:/" + dst + ":/children")
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}
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// Add pagination parameter
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requestURL += "?$top=5000"
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var allFiles []FileInfo
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for {
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res, err := client.requestWithStr(ctx, "GET", requestURL, "", 200)
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if err != nil {
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retried := 0
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if v, ok := ctx.Value(RetryCtx{}).(int); ok {
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retried = v
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}
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if retried < ListRetry {
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retried++
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client.l.Debug("Failed to list path %q: %s, will retry in 5 seconds.", path, err)
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time.Sleep(time.Duration(5) * time.Second)
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return client.ListChildren(context.WithValue(ctx, RetryCtx{}, retried), path)
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}
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return nil, err
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}
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var (
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decodeErr error
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fileInfo ListResponse
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)
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decodeErr = json.Unmarshal([]byte(res), &fileInfo)
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if decodeErr != nil {
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return nil, decodeErr
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}
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// Append current page results
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allFiles = append(allFiles, fileInfo.Value...)
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// Check if there's a next page
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if fileInfo.NextLink == "" {
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break
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}
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// Use the next link for the next iteration
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client.l.Debug("Load next page, next link: %s", fileInfo.NextLink)
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requestURL = fileInfo.NextLink
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}
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return allFiles, nil
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}
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// Meta 根据资源ID或文件路径获取文件元信息
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func (client *client) Meta(ctx context.Context, id string, path string) (*FileInfo, error) {
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var requestURL string
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if id != "" {
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requestURL = client.getRequestURL("items/" + id)
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} else {
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dst := strings.TrimPrefix(path, "/")
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requestURL = client.getRequestURL("root:/" + dst)
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}
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res, err := client.requestWithStr(ctx, "GET", requestURL+"?expand=thumbnails", "", 200)
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if err != nil {
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return nil, err
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}
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var (
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decodeErr error
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fileInfo FileInfo
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)
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decodeErr = json.Unmarshal([]byte(res), &fileInfo)
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if decodeErr != nil {
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return nil, decodeErr
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}
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return &fileInfo, nil
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}
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// CreateUploadSession 创建分片上传会话
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func (client *client) CreateUploadSession(ctx context.Context, dst string, opts ...Option) (string, error) {
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options := newDefaultOption()
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for _, o := range opts {
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o.apply(options)
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}
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dst = strings.TrimPrefix(dst, "/")
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requestURL := client.getRequestURL("root:/" + dst + ":/createUploadSession")
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body := map[string]map[string]interface{}{
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"item": {
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"@microsoft.graph.conflictBehavior": options.conflictBehavior,
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},
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}
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bodyBytes, _ := json.Marshal(body)
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res, err := client.requestWithStr(ctx, "POST", requestURL, string(bodyBytes), 200)
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if err != nil {
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return "", err
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}
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var (
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decodeErr error
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uploadSession UploadSessionResponse
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)
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decodeErr = json.Unmarshal([]byte(res), &uploadSession)
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if decodeErr != nil {
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return "", decodeErr
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}
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return uploadSession.UploadURL, nil
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}
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// GetSiteIDByURL 通过 SharePoint 站点 URL 获取站点ID
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func (client *client) GetSiteIDByURL(ctx context.Context, siteUrl string) (string, error) {
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siteUrlParsed, err := url.Parse(siteUrl)
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if err != nil {
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return "", err
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}
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hostName := siteUrlParsed.Hostname()
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relativePath := strings.Trim(siteUrlParsed.Path, "/")
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requestURL := client.getRequestURL(fmt.Sprintf("sites/%s:/%s", hostName, relativePath), WithDriverResource(false))
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res, reqErr := client.requestWithStr(ctx, "GET", requestURL, "", 200)
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if reqErr != nil {
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return "", reqErr
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}
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var (
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decodeErr error
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siteInfo Site
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)
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decodeErr = json.Unmarshal([]byte(res), &siteInfo)
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if decodeErr != nil {
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return "", decodeErr
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}
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return siteInfo.ID, nil
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}
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// GetUploadSessionStatus 查询上传会话状态
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func (client *client) GetUploadSessionStatus(ctx context.Context, uploadURL string) (*UploadSessionResponse, error) {
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res, err := client.requestWithStr(ctx, "GET", uploadURL, "", 200)
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if err != nil {
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return nil, err
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}
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var (
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decodeErr error
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uploadSession UploadSessionResponse
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)
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decodeErr = json.Unmarshal([]byte(res), &uploadSession)
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if decodeErr != nil {
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return nil, decodeErr
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}
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return &uploadSession, nil
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}
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// UploadChunk 上传分片
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func (client *client) UploadChunk(ctx context.Context, uploadURL string, content io.Reader, current *chunk.ChunkGroup) (*UploadSessionResponse, error) {
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res, err := client.request(
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ctx, "PUT", uploadURL, content,
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request.WithContentLength(current.Length()),
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request.WithHeader(http.Header{
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"Content-Range": {current.RangeHeader()},
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}),
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request.WithoutHeader([]string{"Authorization", "Content-Type"}),
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request.WithTimeout(0),
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)
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if err != nil {
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return nil, fmt.Errorf("failed to upload OneDrive chunk #%d: %w", current.Index(), err)
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}
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if current.IsLast() {
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return nil, nil
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}
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var (
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decodeErr error
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uploadRes UploadSessionResponse
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)
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decodeErr = json.Unmarshal([]byte(res), &uploadRes)
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if decodeErr != nil {
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return nil, decodeErr
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}
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return &uploadRes, nil
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}
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// Upload 上传文件
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func (client *client) Upload(ctx context.Context, file *fs.UploadRequest) error {
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// 决定是否覆盖文件
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overwrite := "fail"
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if file.Mode&fs.ModeOverwrite == fs.ModeOverwrite {
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overwrite = "replace"
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}
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size := int(file.Props.Size)
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dst := file.Props.SavePath
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// 小文件，使用简单上传接口上传
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if size <= int(SmallFileSize) {
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_, err := client.SimpleUpload(ctx, dst, file, int64(size), WithConflictBehavior(overwrite))
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return err
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}
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// 大文件，进行分片
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// 创建上传会话
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uploadURL, err := client.CreateUploadSession(ctx, dst, WithConflictBehavior(overwrite))
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if err != nil {
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return err
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}
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// Initial chunk groups
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chunks := chunk.NewChunkGroup(file, client.chunkSize, &backoff.ConstantBackoff{
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Max: client.settings.ChunkRetryLimit(ctx),
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Sleep: chunkRetrySleep,
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}, client.settings.UseChunkBuffer(ctx), client.l, client.settings.TempPath(ctx))
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uploadFunc := func(current *chunk.ChunkGroup, content io.Reader) error {
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_, err := client.UploadChunk(ctx, uploadURL, content, current)
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return err
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}
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// upload chunks
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for chunks.Next() {
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if err := chunks.Process(uploadFunc); err != nil {
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if err := client.DeleteUploadSession(ctx, uploadURL); err != nil {
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client.l.Warning("Failed to delete upload session: %s", err)
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}
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return fmt.Errorf("failed to upload chunk #%d: %w", chunks.Index(), err)
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}
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}
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return nil
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}
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// DeleteUploadSession 删除上传会话
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func (client *client) DeleteUploadSession(ctx context.Context, uploadURL string) error {
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_, err := client.requestWithStr(ctx, "DELETE", uploadURL, "", 204)
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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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// SimpleUpload 上传小文件到dst
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func (client *client) SimpleUpload(ctx context.Context, dst string, body io.Reader, size int64, opts ...Option) (*UploadResult, error) {
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options := newDefaultOption()
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for _, o := range opts {
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o.apply(options)
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}
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dst = strings.TrimPrefix(dst, "/")
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requestURL := client.getRequestURL("root:/" + dst + ":/content")
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requestURL += ("?@microsoft.graph.conflictBehavior=" + options.conflictBehavior)
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res, err := client.request(ctx, "PUT", requestURL, body, request.WithContentLength(int64(size)),
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request.WithTimeout(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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var (
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decodeErr error
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uploadRes UploadResult
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)
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decodeErr = json.Unmarshal([]byte(res), &uploadRes)
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if decodeErr != nil {
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return nil, decodeErr
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}
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return &uploadRes, nil
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}
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// BatchDelete 并行删除给出的文件，返回删除失败的文件，及第一个遇到的错误。此方法将文件分为
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// 20个一组，调用Delete并行删除
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func (client *client) BatchDelete(ctx context.Context, dst []string) ([]string, error) {
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groupNum := len(dst)/20 + 1
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finalRes := make([]string, 0, len(dst))
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res := make([]string, 0, 20)
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var err error
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for i := 0; i < groupNum; i++ {
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end := 20*i + 20
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if i == groupNum-1 {
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end = len(dst)
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}
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client.l.Debug("Delete file group: %v.", dst[20*i:end])
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res, err = client.Delete(ctx, dst[20*i:end])
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finalRes = append(finalRes, res...)
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}
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return finalRes, err
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}
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// Delete 并行删除文件，返回删除失败的文件，及第一个遇到的错误，
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// 由于API限制，最多删除20个
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func (client *client) Delete(ctx context.Context, dst []string) ([]string, error) {
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body := client.makeBatchDeleteRequestsBody(dst)
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res, err := client.requestWithStr(ctx, "POST", client.getRequestURL("$batch",
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WithDriverResource(false)), body, 200)
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if err != nil {
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return dst, err
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}
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var (
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decodeErr error
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deleteRes BatchResponses
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)
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decodeErr = json.Unmarshal([]byte(res), &deleteRes)
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if decodeErr != nil {
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return dst, decodeErr
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}
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// 取得删除失败的文件
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failed := getDeleteFailed(&deleteRes)
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if len(failed) != 0 {
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return failed, ErrDeleteFile
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}
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return failed, nil
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}
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func getDeleteFailed(res *BatchResponses) []string {
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var failed = make([]string, 0, len(res.Responses))
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for _, v := range res.Responses {
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if v.Status != 204 && v.Status != 404 {
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failed = append(failed, v.ID)
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}
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}
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return failed
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}
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// makeBatchDeleteRequestsBody 生成批量删除请求正文
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func (client *client) makeBatchDeleteRequestsBody(files []string) string {
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req := BatchRequests{
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Requests: make([]BatchRequest, len(files)),
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}
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for i, v := range files {
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v = strings.TrimPrefix(v, "/")
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filePath, _ := url.Parse("/" + client.endpoints.driverResource + "/root:/")
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filePath.Path = path.Join(filePath.Path, v)
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req.Requests[i] = BatchRequest{
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ID: v,
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Method: "DELETE",
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URL: filePath.EscapedPath(),
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}
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}
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res, _ := json.Marshal(req)
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return string(res)
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}
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// GetThumbURL 获取给定尺寸的缩略图URL
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func (client *client) GetThumbURL(ctx context.Context, dst string) (string, error) {
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dst = strings.TrimPrefix(dst, "/")
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requestURL := client.getRequestURL("root:/"+dst+":/thumbnails/0") + "/large"
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res, err := client.requestWithStr(ctx, "GET", requestURL, "", 200)
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if err != nil {
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return "", err
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}
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var (
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decodeErr error
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thumbRes ThumbResponse
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)
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decodeErr = json.Unmarshal([]byte(res), &thumbRes)
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if decodeErr != nil {
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return "", decodeErr
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}
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if thumbRes.URL != "" {
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return thumbRes.URL, nil
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}
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if len(thumbRes.Value) == 1 {
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if res, ok := thumbRes.Value[0]["large"]; ok {
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return res.(map[string]interface{})["url"].(string), nil
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}
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}
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return "", ErrThumbSizeNotFound
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}
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func sysError(err error) *RespError {
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return &RespError{APIError: APIError{
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Code: "system",
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Message: err.Error(),
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}}
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}
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func (client *client) request(ctx context.Context, method string, url string, body io.Reader, option ...request.Option) (string, error) {
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// 获取凭证
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err := client.UpdateCredential(ctx)
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if err != nil {
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return "", sysError(err)
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}
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opts := []request.Option{
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request.WithHeader(http.Header{
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"Authorization": {"Bearer " + client.credential.String()},
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"Content-Type": {"application/json"},
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}),
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request.WithContext(ctx),
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request.WithTPSLimit(
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fmt.Sprintf("policy_%d", client.policy.ID),
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client.policy.Settings.TPSLimit,
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client.policy.Settings.TPSLimitBurst,
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),
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}
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// 发送请求
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res := client.httpClient.Request(
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method,
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url,
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body,
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append(opts, option...)...,
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)
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if res.Err != nil {
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return "", sysError(res.Err)
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}
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respBody, err := res.GetResponse()
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if err != nil {
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return "", sysError(err)
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}
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// 解析请求响应
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var (
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errResp RespError
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decodeErr error
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)
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// 如果有错误
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if res.Response.StatusCode < 200 || res.Response.StatusCode >= 300 {
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decodeErr = json.Unmarshal([]byte(respBody), &errResp)
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if decodeErr != nil {
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client.l.Debug("Onedrive returns unknown response: %s", respBody)
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return "", sysError(decodeErr)
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}
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if res.Response.StatusCode == 429 {
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client.l.Warning("OneDrive request is throttled.")
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return "", backoff.NewRetryableErrorFromHeader(&errResp, res.Response.Header)
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}
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return "", &errResp
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}
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return respBody, nil
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}
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func (client *client) requestWithStr(ctx context.Context, method string, url string, body string, expectedCode int) (string, error) {
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// 发送请求
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bodyReader := io.NopCloser(strings.NewReader(body))
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return client.request(ctx, method, url, bodyReader,
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request.WithContentLength(int64(len(body))),
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)
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}
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