Feat: client method to upload file from master node to slave node

This commit is contained in:
HFO4
2022-03-13 16:16:58 +08:00
parent 081e75146c
commit b96019be7c
12 changed files with 174 additions and 59 deletions

View File

@@ -3,19 +3,26 @@ package remote
import (
"context"
"encoding/json"
"fmt"
model "github.com/cloudreve/Cloudreve/v3/models"
"github.com/cloudreve/Cloudreve/v3/pkg/auth"
"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/fsctx"
"github.com/cloudreve/Cloudreve/v3/pkg/request"
"github.com/cloudreve/Cloudreve/v3/pkg/retry"
"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
"github.com/gofrs/uuid"
"io"
"net/http"
"net/url"
"path"
"strings"
"time"
)
const (
basePath = "/api/v3/slave"
basePath = "/api/v3/slave/"
OverwriteHeader = auth.CrHeaderPrefix + "Overwrite"
chunkRetrySleep = time.Duration(5) * time.Second
)
// Client to operate remote slave server
@@ -24,6 +31,8 @@ type Client interface {
CreateUploadSession(ctx context.Context, session *serializer.UploadSession, ttl int64) error
// GetUploadURL signs an url for uploading file
GetUploadURL(ttl int64, sessionID string) (string, string, error)
// Upload uploads file to remote server
Upload(ctx context.Context, file fsctx.FileHeader) error
}
// NewClient creates new Client from given policy
@@ -54,6 +63,62 @@ type remoteClient struct {
httpClient request.Client
}
func (c *remoteClient) Upload(ctx context.Context, file fsctx.FileHeader) error {
ttl := model.GetIntSetting("upload_session_timeout", 86400)
fileInfo := file.Info()
session := &serializer.UploadSession{
Key: uuid.Must(uuid.NewV4()).String(),
VirtualPath: fileInfo.VirtualPath,
Name: fileInfo.FileName,
Size: fileInfo.Size,
SavePath: fileInfo.SavePath,
LastModified: fileInfo.LastModified,
Policy: *c.policy,
}
// Create upload session
if err := c.CreateUploadSession(ctx, session, int64(ttl)); err != nil {
return fmt.Errorf("failed to create upload session: %w", err)
}
overwrite := fileInfo.Mode&fsctx.Overwrite == fsctx.Overwrite
// Upload chunks
offset := uint64(0)
chunkSize := session.Policy.OptionsSerialized.ChunkSize
if chunkSize == 0 {
chunkSize = fileInfo.Size
}
chunkNum := fileInfo.Size / chunkSize
if fileInfo.Size%chunkSize != 0 {
chunkNum++
}
for i := 0; i < int(chunkNum); i++ {
uploadFunc := func(index int, chunk io.Reader) error {
contentLength := chunkSize
if index == int(chunkNum-1) {
contentLength = fileInfo.Size - chunkSize*(chunkNum-1)
}
return c.uploadChunk(ctx, session.Key, index, chunk, overwrite, contentLength)
}
if err := retry.Chunk(i, chunkSize, file, uploadFunc, retry.ConstantBackoff{
Max: model.GetIntSetting("onedrive_chunk_retries", 1),
Sleep: chunkRetrySleep,
}); err != nil {
// TODO 删除上传会话
return fmt.Errorf("failed to upload chunk #%d: %w", i, err)
}
offset += chunkSize
}
return nil
}
func (c *remoteClient) CreateUploadSession(ctx context.Context, session *serializer.UploadSession, ttl int64) error {
reqBodyEncoded, err := json.Marshal(map[string]interface{}{
"session": session,
@@ -96,3 +161,24 @@ func (c *remoteClient) GetUploadURL(ttl int64, sessionID string) (string, string
req = auth.SignRequest(c.authInstance, req, ttl)
return req.URL.String(), req.Header["Authorization"][0], nil
}
func (c *remoteClient) uploadChunk(ctx context.Context, sessionID string, index int, chunk io.Reader, overwrite bool, size uint64) error {
resp, err := c.httpClient.Request(
"POST",
fmt.Sprintf("upload/%s?chunk=%d", sessionID, index),
io.LimitReader(chunk, int64(size)),
request.WithContext(ctx),
request.WithTimeout(time.Duration(0)),
request.WithContentLength(int64(size)),
request.WithHeader(map[string][]string{OverwriteHeader: {fmt.Sprintf("%t", overwrite)}}),
).CheckHTTPResponse(200).DecodeResponse()
if err != nil {
return err
}
if resp.Code != 0 {
return serializer.NewErrorFromResponse(resp)
}
return nil
}

View File

@@ -153,55 +153,7 @@ func (handler *Driver) Get(ctx context.Context, path string) (response.RSCloser,
func (handler *Driver) Put(ctx context.Context, file fsctx.FileHeader) error {
defer file.Close()
// 凭证有效期
credentialTTL := model.GetIntSetting("upload_credential_timeout", 3600)
// 生成上传策略
fileInfo := file.Info()
policy := serializer.UploadPolicy{
SavePath: path.Dir(fileInfo.SavePath),
FileName: path.Base(fileInfo.FileName),
AutoRename: false,
MaxSize: fileInfo.Size,
}
credential, err := handler.getUploadCredential(ctx, policy, int64(credentialTTL))
if err != nil {
return err
}
// 对文件名进行URLEncode
fileName := url.QueryEscape(path.Base(fileInfo.SavePath))
// 决定是否要禁用文件覆盖
overwrite := "false"
if fileInfo.Mode&fsctx.Overwrite == fsctx.Overwrite {
overwrite = "true"
}
// 上传文件
resp, err := handler.Client.Request(
"POST",
handler.Policy.GetUploadURL(),
file,
request.WithHeader(map[string][]string{
"X-Cr-Policy": {credential.Policy},
"X-Cr-FileName": {fileName},
"X-Cr-Overwrite": {overwrite},
}),
request.WithContentLength(int64(fileInfo.Size)),
request.WithTimeout(time.Duration(0)),
request.WithMasterMeta(),
request.WithSlaveMeta(handler.Policy.AccessKey),
request.WithCredential(handler.AuthInstance, int64(credentialTTL)),
).CheckHTTPResponse(200).DecodeResponse()
if err != nil {
return err
}
if resp.Code != 0 {
return errors.New(resp.Msg)
}
return nil
return handler.client.Upload(ctx, file)
}
// Delete 删除一个或多个文件,

View File

@@ -30,7 +30,7 @@ func NewDriver(node cluster.Node, handler driver.Handler, policy *model.Policy)
var endpoint *url.URL
if serverURL, err := url.Parse(node.DBModel().Server); err == nil {
var controller *url.URL
controller, _ = url.Parse("/api/v3/slave")
controller, _ = url.Parse("/api/v3/slave/")
endpoint = serverURL.ResolveReference(controller)
}