fix(139): refactor part upload logic (#1184)

* fix(139): refactor part upload logic

Signed-off-by: MadDogOwner <xiaoran@xrgzs.top>

* fix(139): handle upload errors

Signed-off-by: MadDogOwner <xiaoran@xrgzs.top>

* fix(139): sort upload parts by PartNumber before uploading

Signed-off-by: MadDogOwner <xiaoran@xrgzs.top>

* fix(139): improve error handling

Signed-off-by: MadDogOwner <xiaoran@xrgzs.top>

* fix(139): add validation for upload part index to prevent out of bounds errors

Signed-off-by: MadDogOwner <xiaoran@xrgzs.top>

---------

Signed-off-by: MadDogOwner <xiaoran@xrgzs.top>

Author: xrgzs

drivers/139/driver.go

@@ -534,16 +534,15 @@ func (d *Yun139) Put(ctx context.Context, dstDir model.Obj, stream model.FileStr
 		if size > partSize {
 			part = (size + partSize - 1) / partSize
 		}
+
+		// 生成所有 partInfos
 		partInfos := make([]PartInfo, 0, part)
 		for i := int64(0); i < part; i++ {
 			if utils.IsCanceled(ctx) {
 				return ctx.Err()
 			}
 			start := i * partSize
-			byteSize := size - start
-			if byteSize > partSize {
-				byteSize = partSize
-			}
+			byteSize := min(size-start, partSize)
 			partNumber := i + 1
 			partInfo := PartInfo{
 				PartNumber: partNumber,
@@ -591,17 +590,20 @@ func (d *Yun139) Put(ctx context.Context, dstDir model.Obj, stream model.FileStr
 		// resp.Data.RapidUpload: true 支持快传，但此处直接检测是否返回分片的上传地址
 		// 快传的情况下同样需要手动处理冲突
 		if resp.Data.PartInfos != nil {
-			// 读取前100个分片的上传地址
-			uploadPartInfos := resp.Data.PartInfos
-
-			// 获取后续分片的上传地址
-			for i := 101; i < len(partInfos); i += 100 {
-				end := i + 100
-				if end > len(partInfos) {
-					end = len(partInfos)
-				}
-				batchPartInfos := partInfos[i:end]
+			// Progress
+			p := driver.NewProgress(size, up)
+			rateLimited := driver.NewLimitedUploadStream(ctx, stream)
+
+			// 先上传前100个分片
+			err = d.uploadPersonalParts(ctx, partInfos, resp.Data.PartInfos, rateLimited, p)
+			if err != nil {
+				return err
+			}
 
+			// 如果还有剩余分片，分批获取上传地址并上传
+			for i := 100; i < len(partInfos); i += 100 {
+				end := min(i+100, len(partInfos))
+				batchPartInfos := partInfos[i:end]
 				moredata := base.Json{
 					"fileId":    resp.Data.FileId,
 					"uploadId":  resp.Data.UploadId,
@@ -617,44 +619,13 @@ func (d *Yun139) Put(ctx context.Context, dstDir model.Obj, stream model.FileStr
 				if err != nil {
 					return err
 				}
-				uploadPartInfos = append(uploadPartInfos, moreresp.Data.PartInfos...)
-			}
-
-			// Progress
-			p := driver.NewProgress(size, up)
-
-			rateLimited := driver.NewLimitedUploadStream(ctx, stream)
-			// 上传所有分片
-			for _, uploadPartInfo := range uploadPartInfos {
-				index := uploadPartInfo.PartNumber - 1
-				partSize := partInfos[index].PartSize
-				log.Debugf("[139] uploading part %+v/%+v", index, len(uploadPartInfos))
-				limitReader := io.LimitReader(rateLimited, partSize)
-
-				// Update Progress
-				r := io.TeeReader(limitReader, p)
-
-				req, err := http.NewRequestWithContext(ctx, http.MethodPut, uploadPartInfo.UploadUrl, r)
-				if err != nil {
-					return err
-				}
-				req.Header.Set("Content-Type", "application/octet-stream")
-				req.Header.Set("Content-Length", fmt.Sprint(partSize))
-				req.Header.Set("Origin", "https://yun.139.com")
-				req.Header.Set("Referer", "https://yun.139.com/")
-				req.ContentLength = partSize
-
-				res, err := base.HttpClient.Do(req)
+				err = d.uploadPersonalParts(ctx, partInfos, moreresp.Data.PartInfos, rateLimited, p)
 				if err != nil {
 					return err
 				}
-				_ = res.Body.Close()
-				log.Debugf("[139] uploaded: %+v", res)
-				if res.StatusCode != http.StatusOK {
-					return fmt.Errorf("unexpected status code: %d", res.StatusCode)
-				}
 			}
 
+			// 全部分片上传完毕后，complete
 			data = base.Json{
 				"contentHash":          fullHash,
 				"contentHashAlgorithm": "SHA256",

drivers/139/util.go

@@ -1,9 +1,11 @@
 package _139
 
 import (
+	"context"
 	"encoding/base64"
 	"errors"
 	"fmt"
+	"io"
 	"net/http"
 	"net/url"
 	"path"
@@ -13,6 +15,7 @@ import (
 	"time"
 
 	"github.com/OpenListTeam/OpenList/v4/drivers/base"
+	"github.com/OpenListTeam/OpenList/v4/internal/driver"
 	"github.com/OpenListTeam/OpenList/v4/internal/model"
 	"github.com/OpenListTeam/OpenList/v4/internal/op"
 	"github.com/OpenListTeam/OpenList/v4/pkg/utils"
@@ -623,3 +626,47 @@ func (d *Yun139) getPersonalCloudHost() string {
 	}
 	return d.PersonalCloudHost
 }
+
+func (d *Yun139) uploadPersonalParts(ctx context.Context, partInfos []PartInfo, uploadPartInfos []PersonalPartInfo, rateLimited *driver.RateLimitReader, p *driver.Progress) error {
+	// 确保数组以 PartNumber 从小到大排序
+	sort.Slice(uploadPartInfos, func(i, j int) bool {
+		return uploadPartInfos[i].PartNumber < uploadPartInfos[j].PartNumber
+	})
+
+	for _, uploadPartInfo := range uploadPartInfos {
+		index := uploadPartInfo.PartNumber - 1
+		if index < 0 || index >= len(partInfos) {
+			return fmt.Errorf("invalid PartNumber %d: index out of bounds (partInfos length: %d)", uploadPartInfo.PartNumber, len(partInfos))
+		}
+		partSize := partInfos[index].PartSize
+		log.Debugf("[139] uploading part %+v/%+v", index, len(partInfos))
+		limitReader := io.LimitReader(rateLimited, partSize)
+		r := io.TeeReader(limitReader, p)
+		req, err := http.NewRequestWithContext(ctx, http.MethodPut, uploadPartInfo.UploadUrl, r)
+		if err != nil {
+			return err
+		}
+		req.Header.Set("Content-Type", "application/octet-stream")
+		req.Header.Set("Content-Length", fmt.Sprint(partSize))
+		req.Header.Set("Origin", "https://yun.139.com")
+		req.Header.Set("Referer", "https://yun.139.com/")
+		req.ContentLength = partSize
+		err = func() error {
+			res, err := base.HttpClient.Do(req)
+			if err != nil {
+				return err
+			}
+			defer res.Body.Close()
+			log.Debugf("[139] uploaded: %+v", res)
+			if res.StatusCode != http.StatusOK {
+				body, _ := io.ReadAll(res.Body)
+				return fmt.Errorf("unexpected status code: %d, body: %s", res.StatusCode, string(body))
+			}
+			return nil
+		}()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}