server: reorganize storage layer into more clear subfolder (#496)

* server: reorganize storage layer into more clear subfolder

* cmd: fix version command
This commit is contained in:
Stefan Benten 2022-07-13 06:26:42 +02:00 committed by GitHub
parent 35e794220b
commit 21812d3efc
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
10 changed files with 892 additions and 854 deletions

View file

@ -2,6 +2,7 @@ package cmd
import (
"fmt"
"github.com/dutchcoders/transfer.sh/server/storage"
"log"
"os"
"strings"
@ -299,8 +300,8 @@ type Cmd struct {
*cli.App
}
func versionAction(c *cli.Context) {
fmt.Println(color.YellowString(fmt.Sprintf("transfer.sh %s: Easy file sharing from the command line", Version)))
func versionCommand(ctx *cli.Context) {
fmt.Println(color.YellowString("transfer.sh %s: Easy file sharing from the command line", Version))
}
// New is the factory for transfer.sh
@ -318,7 +319,7 @@ func New() *Cmd {
app.Commands = []cli.Command{
{
Name: "version",
Action: versionAction,
Action: versionCommand,
},
}
@ -327,7 +328,7 @@ func New() *Cmd {
}
app.Action = func(c *cli.Context) {
options := []server.OptionFn{}
var options []server.OptionFn
if v := c.String("listener"); v != "" {
options = append(options, server.Listener(v))
}
@ -463,10 +464,10 @@ func New() *Cmd {
panic("secret-key not set.")
} else if bucket := c.String("bucket"); bucket == "" {
panic("bucket not set.")
} else if storage, err := server.NewS3Storage(accessKey, secretKey, bucket, purgeDays, c.String("s3-region"), c.String("s3-endpoint"), c.Bool("s3-no-multipart"), c.Bool("s3-path-style"), logger); err != nil {
} else if store, err := storage.NewS3Storage(accessKey, secretKey, bucket, purgeDays, c.String("s3-region"), c.String("s3-endpoint"), c.Bool("s3-no-multipart"), c.Bool("s3-path-style"), logger); err != nil {
panic(err)
} else {
options = append(options, server.UseStorage(storage))
options = append(options, server.UseStorage(store))
}
case "gdrive":
chunkSize := c.Int("gdrive-chunk-size")
@ -477,28 +478,28 @@ func New() *Cmd {
panic("local-config-path not set.")
} else if basedir := c.String("basedir"); basedir == "" {
panic("basedir not set.")
} else if storage, err := server.NewGDriveStorage(clientJSONFilepath, localConfigPath, basedir, chunkSize, logger); err != nil {
} else if store, err := storage.NewGDriveStorage(clientJSONFilepath, localConfigPath, basedir, chunkSize, logger); err != nil {
panic(err)
} else {
options = append(options, server.UseStorage(storage))
options = append(options, server.UseStorage(store))
}
case "storj":
if access := c.String("storj-access"); access == "" {
panic("storj-access not set.")
} else if bucket := c.String("storj-bucket"); bucket == "" {
panic("storj-bucket not set.")
} else if storage, err := server.NewStorjStorage(access, bucket, purgeDays, logger); err != nil {
} else if store, err := storage.NewStorjStorage(access, bucket, purgeDays, logger); err != nil {
panic(err)
} else {
options = append(options, server.UseStorage(storage))
options = append(options, server.UseStorage(store))
}
case "local":
if v := c.String("basedir"); v == "" {
panic("basedir not set.")
} else if storage, err := server.NewLocalStorage(v, logger); err != nil {
} else if store, err := storage.NewLocalStorage(v, logger); err != nil {
panic(err)
} else {
options = append(options, server.UseStorage(storage))
options = append(options, server.UseStorage(store))
}
default:
panic("Provider not set or invalid.")

View file

@ -36,6 +36,7 @@ import (
"encoding/json"
"errors"
"fmt"
"github.com/dutchcoders/transfer.sh/server/storage"
"html"
html_template "html/template"
"io"
@ -459,7 +460,7 @@ func (s *Server) putHandler(w http.ResponseWriter, r *http.Request) {
contentLength := r.ContentLength
defer CloseCheck(r.Body.Close)
defer storage.CloseCheck(r.Body.Close)
file, err := ioutil.TempFile(s.tempPath, "transfer-")
defer s.cleanTmpFile(file)
@ -692,7 +693,7 @@ func (s *Server) checkMetadata(ctx context.Context, token, filename string, incr
var metadata metadata
r, _, err := s.storage.Get(ctx, token, fmt.Sprintf("%s.metadata", filename))
defer CloseCheck(r.Close)
defer storage.CloseCheck(r.Close)
if err != nil {
return metadata, err
@ -728,7 +729,7 @@ func (s *Server) checkDeletionToken(ctx context.Context, deletionToken, token, f
var metadata metadata
r, _, err := s.storage.Get(ctx, token, fmt.Sprintf("%s.metadata", filename))
defer CloseCheck(r.Close)
defer storage.CloseCheck(r.Close)
if s.storage.IsNotExist(err) {
return errors.New("metadata doesn't exist")
@ -806,7 +807,7 @@ func (s *Server) zipHandler(w http.ResponseWriter, r *http.Request) {
}
reader, _, err := s.storage.Get(r.Context(), token, filename)
defer CloseCheck(reader.Close)
defer storage.CloseCheck(reader.Close)
if err != nil {
if s.storage.IsNotExist(err) {
@ -859,10 +860,10 @@ func (s *Server) tarGzHandler(w http.ResponseWriter, r *http.Request) {
commonHeader(w, tarfilename)
gw := gzip.NewWriter(w)
defer CloseCheck(gw.Close)
defer storage.CloseCheck(gw.Close)
zw := tar.NewWriter(gw)
defer CloseCheck(zw.Close)
defer storage.CloseCheck(zw.Close)
for _, key := range strings.Split(files, ",") {
key = resolveKey(key, s.proxyPath)
@ -876,7 +877,7 @@ func (s *Server) tarGzHandler(w http.ResponseWriter, r *http.Request) {
}
reader, contentLength, err := s.storage.Get(r.Context(), token, filename)
defer CloseCheck(reader.Close)
defer storage.CloseCheck(reader.Close)
if err != nil {
if s.storage.IsNotExist(err) {
@ -920,7 +921,7 @@ func (s *Server) tarHandler(w http.ResponseWriter, r *http.Request) {
commonHeader(w, tarfilename)
zw := tar.NewWriter(w)
defer CloseCheck(zw.Close)
defer storage.CloseCheck(zw.Close)
for _, key := range strings.Split(files, ",") {
key = resolveKey(key, s.proxyPath)
@ -934,7 +935,7 @@ func (s *Server) tarHandler(w http.ResponseWriter, r *http.Request) {
}
reader, contentLength, err := s.storage.Get(r.Context(), token, filename)
defer CloseCheck(reader.Close)
defer storage.CloseCheck(reader.Close)
if err != nil {
if s.storage.IsNotExist(err) {
@ -1018,7 +1019,7 @@ func (s *Server) getHandler(w http.ResponseWriter, r *http.Request) {
contentType := metadata.ContentType
reader, contentLength, err := s.storage.Get(r.Context(), token, filename)
defer CloseCheck(reader.Close)
defer storage.CloseCheck(reader.Close)
if s.storage.IsNotExist(err) {
http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)

View file

@ -52,6 +52,7 @@ import (
"golang.org/x/crypto/acme/autocert"
web "github.com/dutchcoders/transfer.sh-web"
"github.com/dutchcoders/transfer.sh/server/storage"
assetfs "github.com/elazarl/go-bindata-assetfs"
)
@ -243,7 +244,7 @@ func EnableProfiler() OptionFn {
}
// UseStorage set storage to use
func UseStorage(s Storage) OptionFn {
func UseStorage(s storage.Storage) OptionFn {
return func(srvr *Server) {
srvr.storage = s
}
@ -332,7 +333,7 @@ type Server struct {
purgeDays time.Duration
purgeInterval time.Duration
storage Storage
storage storage.Storage
forceHTTPS bool

View file

@ -1,812 +0,0 @@
package server
import (
"context"
"encoding/json"
"errors"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"path/filepath"
"strings"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
"golang.org/x/oauth2"
"golang.org/x/oauth2/google"
drive "google.golang.org/api/drive/v3"
"google.golang.org/api/googleapi"
"storj.io/common/fpath"
"storj.io/common/storj"
"storj.io/uplink"
)
// Storage is the interface for storage operation
type Storage interface {
// Get retrieves a file from storage
Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error)
// Head retrieves content length of a file from storage
Head(ctx context.Context, token string, filename string) (contentLength uint64, err error)
// Put saves a file on storage
Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) error
// Delete removes a file from storage
Delete(ctx context.Context, token string, filename string) error
// IsNotExist indicates if a file doesn't exist on storage
IsNotExist(err error) bool
// Purge cleans up the storage
Purge(ctx context.Context, days time.Duration) error
// Type returns the storage type
Type() string
}
// LocalStorage is a local storage
type LocalStorage struct {
Storage
basedir string
logger *log.Logger
}
// NewLocalStorage is the factory for LocalStorage
func NewLocalStorage(basedir string, logger *log.Logger) (*LocalStorage, error) {
return &LocalStorage{basedir: basedir, logger: logger}, nil
}
// Type returns the storage type
func (s *LocalStorage) Type() string {
return "local"
}
// Head retrieves content length of a file from storage
func (s *LocalStorage) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
path := filepath.Join(s.basedir, token, filename)
var fi os.FileInfo
if fi, err = os.Lstat(path); err != nil {
return
}
contentLength = uint64(fi.Size())
return
}
// Get retrieves a file from storage
func (s *LocalStorage) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
path := filepath.Join(s.basedir, token, filename)
// content type , content length
if reader, err = os.Open(path); err != nil {
return
}
var fi os.FileInfo
if fi, err = os.Lstat(path); err != nil {
return
}
contentLength = uint64(fi.Size())
return
}
// Delete removes a file from storage
func (s *LocalStorage) Delete(ctx context.Context, token string, filename string) (err error) {
metadata := filepath.Join(s.basedir, token, fmt.Sprintf("%s.metadata", filename))
_ = os.Remove(metadata)
path := filepath.Join(s.basedir, token, filename)
err = os.Remove(path)
return
}
// Purge cleans up the storage
func (s *LocalStorage) Purge(ctx context.Context, days time.Duration) (err error) {
err = filepath.Walk(s.basedir,
func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
if info.ModTime().Before(time.Now().Add(-1 * days)) {
err = os.Remove(path)
return err
}
return nil
})
return
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *LocalStorage) IsNotExist(err error) bool {
if err == nil {
return false
}
return os.IsNotExist(err)
}
// Put saves a file on storage
func (s *LocalStorage) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) error {
var f io.WriteCloser
var err error
path := filepath.Join(s.basedir, token)
if err = os.MkdirAll(path, 0700); err != nil && !os.IsExist(err) {
return err
}
f, err = os.OpenFile(filepath.Join(path, filename), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
defer CloseCheck(f.Close)
if err != nil {
return err
}
if _, err = io.Copy(f, reader); err != nil {
return err
}
return nil
}
// S3Storage is a storage backed by AWS S3
type S3Storage struct {
Storage
bucket string
session *session.Session
s3 *s3.S3
logger *log.Logger
purgeDays time.Duration
noMultipart bool
}
// NewS3Storage is the factory for S3Storage
func NewS3Storage(accessKey, secretKey, bucketName string, purgeDays int, region, endpoint string, disableMultipart bool, forcePathStyle bool, logger *log.Logger) (*S3Storage, error) {
sess := getAwsSession(accessKey, secretKey, region, endpoint, forcePathStyle)
return &S3Storage{
bucket: bucketName,
s3: s3.New(sess),
session: sess,
logger: logger,
noMultipart: disableMultipart,
purgeDays: time.Duration(purgeDays*24) * time.Hour,
}, nil
}
// Type returns the storage type
func (s *S3Storage) Type() string {
return "s3"
}
// Head retrieves content length of a file from storage
func (s *S3Storage) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
key := fmt.Sprintf("%s/%s", token, filename)
headRequest := &s3.HeadObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
}
// content type , content length
response, err := s.s3.HeadObjectWithContext(ctx, headRequest)
if err != nil {
return
}
if response.ContentLength != nil {
contentLength = uint64(*response.ContentLength)
}
return
}
// Purge cleans up the storage
func (s *S3Storage) Purge(ctx context.Context, days time.Duration) (err error) {
// NOOP expiration is set at upload time
return nil
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *S3Storage) IsNotExist(err error) bool {
if err == nil {
return false
}
if aerr, ok := err.(awserr.Error); ok {
switch aerr.Code() {
case s3.ErrCodeNoSuchKey:
return true
}
}
return false
}
// Get retrieves a file from storage
func (s *S3Storage) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
key := fmt.Sprintf("%s/%s", token, filename)
getRequest := &s3.GetObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
}
response, err := s.s3.GetObjectWithContext(ctx, getRequest)
if err != nil {
return
}
if response.ContentLength != nil {
contentLength = uint64(*response.ContentLength)
}
reader = response.Body
return
}
// Delete removes a file from storage
func (s *S3Storage) Delete(ctx context.Context, token string, filename string) (err error) {
metadata := fmt.Sprintf("%s/%s.metadata", token, filename)
deleteRequest := &s3.DeleteObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(metadata),
}
_, err = s.s3.DeleteObjectWithContext(ctx, deleteRequest)
if err != nil {
return
}
key := fmt.Sprintf("%s/%s", token, filename)
deleteRequest = &s3.DeleteObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
}
_, err = s.s3.DeleteObjectWithContext(ctx, deleteRequest)
return
}
// Put saves a file on storage
func (s *S3Storage) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) (err error) {
key := fmt.Sprintf("%s/%s", token, filename)
s.logger.Printf("Uploading file %s to S3 Bucket", filename)
var concurrency int
if !s.noMultipart {
concurrency = 20
} else {
concurrency = 1
}
// Create an uploader with the session and custom options
uploader := s3manager.NewUploader(s.session, func(u *s3manager.Uploader) {
u.Concurrency = concurrency // default is 5
u.LeavePartsOnError = false
})
var expire *time.Time
if s.purgeDays.Hours() > 0 {
expire = aws.Time(time.Now().Add(s.purgeDays))
}
_, err = uploader.UploadWithContext(ctx, &s3manager.UploadInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
Body: reader,
Expires: expire,
})
return
}
// GDrive is a storage backed by GDrive
type GDrive struct {
service *drive.Service
rootID string
basedir string
localConfigPath string
chunkSize int
logger *log.Logger
}
// NewGDriveStorage is the factory for GDrive
func NewGDriveStorage(clientJSONFilepath string, localConfigPath string, basedir string, chunkSize int, logger *log.Logger) (*GDrive, error) {
b, err := ioutil.ReadFile(clientJSONFilepath)
if err != nil {
return nil, err
}
// If modifying these scopes, delete your previously saved client_secret.json.
config, err := google.ConfigFromJSON(b, drive.DriveScope, drive.DriveMetadataScope)
if err != nil {
return nil, err
}
// ToDo: Upgrade deprecated version
srv, err := drive.New(getGDriveClient(context.TODO(), config, localConfigPath, logger)) // nolint: staticcheck
if err != nil {
return nil, err
}
chunkSize = chunkSize * 1024 * 1024
storage := &GDrive{service: srv, basedir: basedir, rootID: "", localConfigPath: localConfigPath, chunkSize: chunkSize, logger: logger}
err = storage.setupRoot()
if err != nil {
return nil, err
}
return storage, nil
}
const gdriveRootConfigFile = "root_id.conf"
const gdriveTokenJSONFile = "token.json"
const gdriveDirectoryMimeType = "application/vnd.google-apps.folder"
func (s *GDrive) setupRoot() error {
rootFileConfig := filepath.Join(s.localConfigPath, gdriveRootConfigFile)
rootID, err := ioutil.ReadFile(rootFileConfig)
if err != nil && !os.IsNotExist(err) {
return err
}
if string(rootID) != "" {
s.rootID = string(rootID)
return nil
}
dir := &drive.File{
Name: s.basedir,
MimeType: gdriveDirectoryMimeType,
}
di, err := s.service.Files.Create(dir).Fields("id").Do()
if err != nil {
return err
}
s.rootID = di.Id
err = ioutil.WriteFile(rootFileConfig, []byte(s.rootID), os.FileMode(0600))
if err != nil {
return err
}
return nil
}
func (s *GDrive) hasChecksum(f *drive.File) bool {
return f.Md5Checksum != ""
}
func (s *GDrive) list(nextPageToken string, q string) (*drive.FileList, error) {
return s.service.Files.List().Fields("nextPageToken, files(id, name, mimeType)").Q(q).PageToken(nextPageToken).Do()
}
func (s *GDrive) findID(filename string, token string) (string, error) {
filename = strings.Replace(filename, `'`, `\'`, -1)
filename = strings.Replace(filename, `"`, `\"`, -1)
fileID, tokenID, nextPageToken := "", "", ""
q := fmt.Sprintf("'%s' in parents and name='%s' and mimeType='%s' and trashed=false", s.rootID, token, gdriveDirectoryMimeType)
l, err := s.list(nextPageToken, q)
if err != nil {
return "", err
}
for 0 < len(l.Files) {
for _, fi := range l.Files {
tokenID = fi.Id
break
}
if l.NextPageToken == "" {
break
}
l, err = s.list(l.NextPageToken, q)
if err != nil {
return "", err
}
}
if filename == "" {
return tokenID, nil
} else if tokenID == "" {
return "", fmt.Errorf("cannot find file %s/%s", token, filename)
}
q = fmt.Sprintf("'%s' in parents and name='%s' and mimeType!='%s' and trashed=false", tokenID, filename, gdriveDirectoryMimeType)
l, err = s.list(nextPageToken, q)
if err != nil {
return "", err
}
for 0 < len(l.Files) {
for _, fi := range l.Files {
fileID = fi.Id
break
}
if l.NextPageToken == "" {
break
}
l, err = s.list(l.NextPageToken, q)
if err != nil {
return "", err
}
}
if fileID == "" {
return "", fmt.Errorf("cannot find file %s/%s", token, filename)
}
return fileID, nil
}
// Type returns the storage type
func (s *GDrive) Type() string {
return "gdrive"
}
// Head retrieves content length of a file from storage
func (s *GDrive) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
var fileID string
fileID, err = s.findID(filename, token)
if err != nil {
return
}
var fi *drive.File
if fi, err = s.service.Files.Get(fileID).Fields("size").Do(); err != nil {
return
}
contentLength = uint64(fi.Size)
return
}
// Get retrieves a file from storage
func (s *GDrive) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
var fileID string
fileID, err = s.findID(filename, token)
if err != nil {
return
}
var fi *drive.File
fi, err = s.service.Files.Get(fileID).Fields("size", "md5Checksum").Do()
if err != nil {
return
}
if !s.hasChecksum(fi) {
err = fmt.Errorf("cannot find file %s/%s", token, filename)
return
}
contentLength = uint64(fi.Size)
var res *http.Response
res, err = s.service.Files.Get(fileID).Context(ctx).Download()
if err != nil {
return
}
reader = res.Body
return
}
// Delete removes a file from storage
func (s *GDrive) Delete(ctx context.Context, token string, filename string) (err error) {
metadata, _ := s.findID(fmt.Sprintf("%s.metadata", filename), token)
_ = s.service.Files.Delete(metadata).Do()
var fileID string
fileID, err = s.findID(filename, token)
if err != nil {
return
}
err = s.service.Files.Delete(fileID).Do()
return
}
// Purge cleans up the storage
func (s *GDrive) Purge(ctx context.Context, days time.Duration) (err error) {
nextPageToken := ""
expirationDate := time.Now().Add(-1 * days).Format(time.RFC3339)
q := fmt.Sprintf("'%s' in parents and modifiedTime < '%s' and mimeType!='%s' and trashed=false", s.rootID, expirationDate, gdriveDirectoryMimeType)
l, err := s.list(nextPageToken, q)
if err != nil {
return err
}
for 0 < len(l.Files) {
for _, fi := range l.Files {
err = s.service.Files.Delete(fi.Id).Do()
if err != nil {
return
}
}
if l.NextPageToken == "" {
break
}
l, err = s.list(l.NextPageToken, q)
if err != nil {
return
}
}
return
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *GDrive) IsNotExist(err error) bool {
if err == nil {
return false
}
if e, ok := err.(*googleapi.Error); ok {
return e.Code == http.StatusNotFound
}
return false
}
// Put saves a file on storage
func (s *GDrive) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) error {
dirID, err := s.findID("", token)
if err != nil {
return err
}
if dirID == "" {
dir := &drive.File{
Name: token,
Parents: []string{s.rootID},
MimeType: gdriveDirectoryMimeType,
Size: int64(contentLength),
}
di, err := s.service.Files.Create(dir).Fields("id").Do()
if err != nil {
return err
}
dirID = di.Id
}
// Instantiate empty drive file
dst := &drive.File{
Name: filename,
Parents: []string{dirID},
MimeType: contentType,
}
_, err = s.service.Files.Create(dst).Context(ctx).Media(reader, googleapi.ChunkSize(s.chunkSize)).Do()
if err != nil {
return err
}
return nil
}
// Retrieve a token, saves the token, then returns the generated client.
func getGDriveClient(ctx context.Context, config *oauth2.Config, localConfigPath string, logger *log.Logger) *http.Client {
tokenFile := filepath.Join(localConfigPath, gdriveTokenJSONFile)
tok, err := gDriveTokenFromFile(tokenFile)
if err != nil {
tok = getGDriveTokenFromWeb(ctx, config, logger)
saveGDriveToken(tokenFile, tok, logger)
}
return config.Client(ctx, tok)
}
// Request a token from the web, then returns the retrieved token.
func getGDriveTokenFromWeb(ctx context.Context, config *oauth2.Config, logger *log.Logger) *oauth2.Token {
authURL := config.AuthCodeURL("state-token", oauth2.AccessTypeOffline)
fmt.Printf("Go to the following link in your browser then type the "+
"authorization code: \n%v\n", authURL)
var authCode string
if _, err := fmt.Scan(&authCode); err != nil {
logger.Fatalf("Unable to read authorization code %v", err)
}
tok, err := config.Exchange(ctx, authCode)
if err != nil {
logger.Fatalf("Unable to retrieve token from web %v", err)
}
return tok
}
// Retrieves a token from a local file.
func gDriveTokenFromFile(file string) (*oauth2.Token, error) {
f, err := os.Open(file)
defer CloseCheck(f.Close)
if err != nil {
return nil, err
}
tok := &oauth2.Token{}
err = json.NewDecoder(f).Decode(tok)
return tok, err
}
// Saves a token to a file path.
func saveGDriveToken(path string, token *oauth2.Token, logger *log.Logger) {
logger.Printf("Saving credential file to: %s\n", path)
f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
defer CloseCheck(f.Close)
if err != nil {
logger.Fatalf("Unable to cache oauth token: %v", err)
}
err = json.NewEncoder(f).Encode(token)
if err != nil {
logger.Fatalf("Unable to encode oauth token: %v", err)
}
}
// StorjStorage is a storage backed by Storj
type StorjStorage struct {
Storage
project *uplink.Project
bucket *uplink.Bucket
purgeDays time.Duration
logger *log.Logger
}
// NewStorjStorage is the factory for StorjStorage
func NewStorjStorage(access, bucket string, purgeDays int, logger *log.Logger) (*StorjStorage, error) {
var instance StorjStorage
var err error
pCtx := context.TODO()
ctx := fpath.WithTempData(pCtx, "", true)
uplConf := &uplink.Config{
UserAgent: "transfer-sh",
}
parsedAccess, err := uplink.ParseAccess(access)
if err != nil {
return nil, err
}
instance.project, err = uplConf.OpenProject(ctx, parsedAccess)
if err != nil {
return nil, err
}
instance.bucket, err = instance.project.EnsureBucket(ctx, bucket)
if err != nil {
//Ignoring the error to return the one that occurred first, but try to clean up.
_ = instance.project.Close()
return nil, err
}
instance.purgeDays = time.Duration(purgeDays*24) * time.Hour
instance.logger = logger
return &instance, nil
}
// Type returns the storage type
func (s *StorjStorage) Type() string {
return "storj"
}
// Head retrieves content length of a file from storage
func (s *StorjStorage) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
key := storj.JoinPaths(token, filename)
obj, err := s.project.StatObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key)
if err != nil {
return 0, err
}
contentLength = uint64(obj.System.ContentLength)
return
}
// Get retrieves a file from storage
func (s *StorjStorage) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
key := storj.JoinPaths(token, filename)
s.logger.Printf("Getting file %s from Storj Bucket", filename)
download, err := s.project.DownloadObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key, nil)
if err != nil {
return nil, 0, err
}
contentLength = uint64(download.Info().System.ContentLength)
reader = download
return
}
// Delete removes a file from storage
func (s *StorjStorage) Delete(ctx context.Context, token string, filename string) (err error) {
key := storj.JoinPaths(token, filename)
s.logger.Printf("Deleting file %s from Storj Bucket", filename)
_, err = s.project.DeleteObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key)
return
}
// Purge cleans up the storage
func (s *StorjStorage) Purge(ctx context.Context, days time.Duration) (err error) {
// NOOP expiration is set at upload time
return nil
}
// Put saves a file on storage
func (s *StorjStorage) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) (err error) {
key := storj.JoinPaths(token, filename)
s.logger.Printf("Uploading file %s to Storj Bucket", filename)
var uploadOptions *uplink.UploadOptions
if s.purgeDays.Hours() > 0 {
uploadOptions = &uplink.UploadOptions{Expires: time.Now().Add(s.purgeDays)}
}
writer, err := s.project.UploadObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key, uploadOptions)
if err != nil {
return err
}
n, err := io.Copy(writer, reader)
if err != nil || uint64(n) != contentLength {
//Ignoring the error to return the one that occurred first, but try to clean up.
_ = writer.Abort()
return err
}
err = writer.SetCustomMetadata(ctx, uplink.CustomMetadata{"content-type": contentType})
if err != nil {
//Ignoring the error to return the one that occurred first, but try to clean up.
_ = writer.Abort()
return err
}
err = writer.Commit()
return err
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *StorjStorage) IsNotExist(err error) bool {
return errors.Is(err, uplink.ErrObjectNotFound)
}

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package storage
import (
"context"
"fmt"
"io"
"time"
)
// Storage is the interface for storage operation
type Storage interface {
// Get retrieves a file from storage
Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error)
// Head retrieves content length of a file from storage
Head(ctx context.Context, token string, filename string) (contentLength uint64, err error)
// Put saves a file on storage
Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) error
// Delete removes a file from storage
Delete(ctx context.Context, token string, filename string) error
// IsNotExist indicates if a file doesn't exist on storage
IsNotExist(err error) bool
// Purge cleans up the storage
Purge(ctx context.Context, days time.Duration) error
// Type returns the storage type
Type() string
}
func CloseCheck(f func() error) {
if err := f(); err != nil {
fmt.Println("Received close error:", err)
}
}

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package storage
import (
"context"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
"net/http"
"os"
"path/filepath"
"strings"
"time"
"golang.org/x/oauth2"
"golang.org/x/oauth2/google"
drive "google.golang.org/api/drive/v3"
"google.golang.org/api/googleapi"
)
// GDrive is a storage backed by GDrive
type GDrive struct {
service *drive.Service
rootID string
basedir string
localConfigPath string
chunkSize int
logger *log.Logger
}
// NewGDriveStorage is the factory for GDrive
func NewGDriveStorage(clientJSONFilepath string, localConfigPath string, basedir string, chunkSize int, logger *log.Logger) (*GDrive, error) {
b, err := ioutil.ReadFile(clientJSONFilepath)
if err != nil {
return nil, err
}
// If modifying these scopes, delete your previously saved client_secret.json.
config, err := google.ConfigFromJSON(b, drive.DriveScope, drive.DriveMetadataScope)
if err != nil {
return nil, err
}
// ToDo: Upgrade deprecated version
srv, err := drive.New(getGDriveClient(context.TODO(), config, localConfigPath, logger)) // nolint: staticcheck
if err != nil {
return nil, err
}
chunkSize = chunkSize * 1024 * 1024
storage := &GDrive{service: srv, basedir: basedir, rootID: "", localConfigPath: localConfigPath, chunkSize: chunkSize, logger: logger}
err = storage.setupRoot()
if err != nil {
return nil, err
}
return storage, nil
}
const gdriveRootConfigFile = "root_id.conf"
const gdriveTokenJSONFile = "token.json"
const gdriveDirectoryMimeType = "application/vnd.google-apps.folder"
func (s *GDrive) setupRoot() error {
rootFileConfig := filepath.Join(s.localConfigPath, gdriveRootConfigFile)
rootID, err := ioutil.ReadFile(rootFileConfig)
if err != nil && !os.IsNotExist(err) {
return err
}
if string(rootID) != "" {
s.rootID = string(rootID)
return nil
}
dir := &drive.File{
Name: s.basedir,
MimeType: gdriveDirectoryMimeType,
}
di, err := s.service.Files.Create(dir).Fields("id").Do()
if err != nil {
return err
}
s.rootID = di.Id
err = ioutil.WriteFile(rootFileConfig, []byte(s.rootID), os.FileMode(0600))
if err != nil {
return err
}
return nil
}
func (s *GDrive) hasChecksum(f *drive.File) bool {
return f.Md5Checksum != ""
}
func (s *GDrive) list(nextPageToken string, q string) (*drive.FileList, error) {
return s.service.Files.List().Fields("nextPageToken, files(id, name, mimeType)").Q(q).PageToken(nextPageToken).Do()
}
func (s *GDrive) findID(filename string, token string) (string, error) {
filename = strings.Replace(filename, `'`, `\'`, -1)
filename = strings.Replace(filename, `"`, `\"`, -1)
fileID, tokenID, nextPageToken := "", "", ""
q := fmt.Sprintf("'%s' in parents and name='%s' and mimeType='%s' and trashed=false", s.rootID, token, gdriveDirectoryMimeType)
l, err := s.list(nextPageToken, q)
if err != nil {
return "", err
}
for 0 < len(l.Files) {
for _, fi := range l.Files {
tokenID = fi.Id
break
}
if l.NextPageToken == "" {
break
}
l, err = s.list(l.NextPageToken, q)
if err != nil {
return "", err
}
}
if filename == "" {
return tokenID, nil
} else if tokenID == "" {
return "", fmt.Errorf("cannot find file %s/%s", token, filename)
}
q = fmt.Sprintf("'%s' in parents and name='%s' and mimeType!='%s' and trashed=false", tokenID, filename, gdriveDirectoryMimeType)
l, err = s.list(nextPageToken, q)
if err != nil {
return "", err
}
for 0 < len(l.Files) {
for _, fi := range l.Files {
fileID = fi.Id
break
}
if l.NextPageToken == "" {
break
}
l, err = s.list(l.NextPageToken, q)
if err != nil {
return "", err
}
}
if fileID == "" {
return "", fmt.Errorf("cannot find file %s/%s", token, filename)
}
return fileID, nil
}
// Type returns the storage type
func (s *GDrive) Type() string {
return "gdrive"
}
// Head retrieves content length of a file from storage
func (s *GDrive) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
var fileID string
fileID, err = s.findID(filename, token)
if err != nil {
return
}
var fi *drive.File
if fi, err = s.service.Files.Get(fileID).Fields("size").Do(); err != nil {
return
}
contentLength = uint64(fi.Size)
return
}
// Get retrieves a file from storage
func (s *GDrive) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
var fileID string
fileID, err = s.findID(filename, token)
if err != nil {
return
}
var fi *drive.File
fi, err = s.service.Files.Get(fileID).Fields("size", "md5Checksum").Do()
if err != nil {
return
}
if !s.hasChecksum(fi) {
err = fmt.Errorf("cannot find file %s/%s", token, filename)
return
}
contentLength = uint64(fi.Size)
var res *http.Response
res, err = s.service.Files.Get(fileID).Context(ctx).Download()
if err != nil {
return
}
reader = res.Body
return
}
// Delete removes a file from storage
func (s *GDrive) Delete(ctx context.Context, token string, filename string) (err error) {
metadata, _ := s.findID(fmt.Sprintf("%s.metadata", filename), token)
_ = s.service.Files.Delete(metadata).Do()
var fileID string
fileID, err = s.findID(filename, token)
if err != nil {
return
}
err = s.service.Files.Delete(fileID).Do()
return
}
// Purge cleans up the storage
func (s *GDrive) Purge(ctx context.Context, days time.Duration) (err error) {
nextPageToken := ""
expirationDate := time.Now().Add(-1 * days).Format(time.RFC3339)
q := fmt.Sprintf("'%s' in parents and modifiedTime < '%s' and mimeType!='%s' and trashed=false", s.rootID, expirationDate, gdriveDirectoryMimeType)
l, err := s.list(nextPageToken, q)
if err != nil {
return err
}
for 0 < len(l.Files) {
for _, fi := range l.Files {
err = s.service.Files.Delete(fi.Id).Do()
if err != nil {
return
}
}
if l.NextPageToken == "" {
break
}
l, err = s.list(l.NextPageToken, q)
if err != nil {
return
}
}
return
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *GDrive) IsNotExist(err error) bool {
if err == nil {
return false
}
if e, ok := err.(*googleapi.Error); ok {
return e.Code == http.StatusNotFound
}
return false
}
// Put saves a file on storage
func (s *GDrive) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) error {
dirID, err := s.findID("", token)
if err != nil {
return err
}
if dirID == "" {
dir := &drive.File{
Name: token,
Parents: []string{s.rootID},
MimeType: gdriveDirectoryMimeType,
Size: int64(contentLength),
}
di, err := s.service.Files.Create(dir).Fields("id").Do()
if err != nil {
return err
}
dirID = di.Id
}
// Instantiate empty drive file
dst := &drive.File{
Name: filename,
Parents: []string{dirID},
MimeType: contentType,
}
_, err = s.service.Files.Create(dst).Context(ctx).Media(reader, googleapi.ChunkSize(s.chunkSize)).Do()
if err != nil {
return err
}
return nil
}
// Retrieve a token, saves the token, then returns the generated client.
func getGDriveClient(ctx context.Context, config *oauth2.Config, localConfigPath string, logger *log.Logger) *http.Client {
tokenFile := filepath.Join(localConfigPath, gdriveTokenJSONFile)
tok, err := gDriveTokenFromFile(tokenFile)
if err != nil {
tok = getGDriveTokenFromWeb(ctx, config, logger)
saveGDriveToken(tokenFile, tok, logger)
}
return config.Client(ctx, tok)
}
// Request a token from the web, then returns the retrieved token.
func getGDriveTokenFromWeb(ctx context.Context, config *oauth2.Config, logger *log.Logger) *oauth2.Token {
authURL := config.AuthCodeURL("state-token", oauth2.AccessTypeOffline)
fmt.Printf("Go to the following link in your browser then type the "+
"authorization code: \n%v\n", authURL)
var authCode string
if _, err := fmt.Scan(&authCode); err != nil {
logger.Fatalf("Unable to read authorization code %v", err)
}
tok, err := config.Exchange(ctx, authCode)
if err != nil {
logger.Fatalf("Unable to retrieve token from web %v", err)
}
return tok
}
// Retrieves a token from a local file.
func gDriveTokenFromFile(file string) (*oauth2.Token, error) {
f, err := os.Open(file)
defer CloseCheck(f.Close)
if err != nil {
return nil, err
}
tok := &oauth2.Token{}
err = json.NewDecoder(f).Decode(tok)
return tok, err
}
// Saves a token to a file path.
func saveGDriveToken(path string, token *oauth2.Token, logger *log.Logger) {
logger.Printf("Saving credential file to: %s\n", path)
f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
defer CloseCheck(f.Close)
if err != nil {
logger.Fatalf("Unable to cache oauth token: %v", err)
}
err = json.NewEncoder(f).Encode(token)
if err != nil {
logger.Fatalf("Unable to encode oauth token: %v", err)
}
}

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package storage
import (
"context"
"fmt"
"io"
"log"
"os"
"path/filepath"
"time"
)
// LocalStorage is a local storage
type LocalStorage struct {
Storage
basedir string
logger *log.Logger
}
// NewLocalStorage is the factory for LocalStorage
func NewLocalStorage(basedir string, logger *log.Logger) (*LocalStorage, error) {
return &LocalStorage{basedir: basedir, logger: logger}, nil
}
// Type returns the storage type
func (s *LocalStorage) Type() string {
return "local"
}
// Head retrieves content length of a file from storage
func (s *LocalStorage) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
path := filepath.Join(s.basedir, token, filename)
var fi os.FileInfo
if fi, err = os.Lstat(path); err != nil {
return
}
contentLength = uint64(fi.Size())
return
}
// Get retrieves a file from storage
func (s *LocalStorage) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
path := filepath.Join(s.basedir, token, filename)
// content type , content length
if reader, err = os.Open(path); err != nil {
return
}
var fi os.FileInfo
if fi, err = os.Lstat(path); err != nil {
return
}
contentLength = uint64(fi.Size())
return
}
// Delete removes a file from storage
func (s *LocalStorage) Delete(ctx context.Context, token string, filename string) (err error) {
metadata := filepath.Join(s.basedir, token, fmt.Sprintf("%s.metadata", filename))
_ = os.Remove(metadata)
path := filepath.Join(s.basedir, token, filename)
err = os.Remove(path)
return
}
// Purge cleans up the storage
func (s *LocalStorage) Purge(ctx context.Context, days time.Duration) (err error) {
err = filepath.Walk(s.basedir,
func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
if info.ModTime().Before(time.Now().Add(-1 * days)) {
err = os.Remove(path)
return err
}
return nil
})
return
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *LocalStorage) IsNotExist(err error) bool {
if err == nil {
return false
}
return os.IsNotExist(err)
}
// Put saves a file on storage
func (s *LocalStorage) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) error {
var f io.WriteCloser
var err error
path := filepath.Join(s.basedir, token)
if err = os.MkdirAll(path, 0700); err != nil && !os.IsExist(err) {
return err
}
f, err = os.OpenFile(filepath.Join(path, filename), os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
defer CloseCheck(f.Close)
if err != nil {
return err
}
if _, err = io.Copy(f, reader); err != nil {
return err
}
return nil
}

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package storage
import (
"context"
"fmt"
"io"
"log"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
)
// S3Storage is a storage backed by AWS S3
type S3Storage struct {
Storage
bucket string
session *session.Session
s3 *s3.S3
logger *log.Logger
purgeDays time.Duration
noMultipart bool
}
// NewS3Storage is the factory for S3Storage
func NewS3Storage(accessKey, secretKey, bucketName string, purgeDays int, region, endpoint string, disableMultipart bool, forcePathStyle bool, logger *log.Logger) (*S3Storage, error) {
sess := getAwsSession(accessKey, secretKey, region, endpoint, forcePathStyle)
return &S3Storage{
bucket: bucketName,
s3: s3.New(sess),
session: sess,
logger: logger,
noMultipart: disableMultipart,
purgeDays: time.Duration(purgeDays*24) * time.Hour,
}, nil
}
// Type returns the storage type
func (s *S3Storage) Type() string {
return "s3"
}
// Head retrieves content length of a file from storage
func (s *S3Storage) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
key := fmt.Sprintf("%s/%s", token, filename)
headRequest := &s3.HeadObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
}
// content type , content length
response, err := s.s3.HeadObjectWithContext(ctx, headRequest)
if err != nil {
return
}
if response.ContentLength != nil {
contentLength = uint64(*response.ContentLength)
}
return
}
// Purge cleans up the storage
func (s *S3Storage) Purge(ctx context.Context, days time.Duration) (err error) {
// NOOP expiration is set at upload time
return nil
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *S3Storage) IsNotExist(err error) bool {
if err == nil {
return false
}
if aerr, ok := err.(awserr.Error); ok {
switch aerr.Code() {
case s3.ErrCodeNoSuchKey:
return true
}
}
return false
}
// Get retrieves a file from storage
func (s *S3Storage) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
key := fmt.Sprintf("%s/%s", token, filename)
getRequest := &s3.GetObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
}
response, err := s.s3.GetObjectWithContext(ctx, getRequest)
if err != nil {
return
}
if response.ContentLength != nil {
contentLength = uint64(*response.ContentLength)
}
reader = response.Body
return
}
// Delete removes a file from storage
func (s *S3Storage) Delete(ctx context.Context, token string, filename string) (err error) {
metadata := fmt.Sprintf("%s/%s.metadata", token, filename)
deleteRequest := &s3.DeleteObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(metadata),
}
_, err = s.s3.DeleteObjectWithContext(ctx, deleteRequest)
if err != nil {
return
}
key := fmt.Sprintf("%s/%s", token, filename)
deleteRequest = &s3.DeleteObjectInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
}
_, err = s.s3.DeleteObjectWithContext(ctx, deleteRequest)
return
}
// Put saves a file on storage
func (s *S3Storage) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) (err error) {
key := fmt.Sprintf("%s/%s", token, filename)
s.logger.Printf("Uploading file %s to S3 Bucket", filename)
var concurrency int
if !s.noMultipart {
concurrency = 20
} else {
concurrency = 1
}
// Create an uploader with the session and custom options
uploader := s3manager.NewUploader(s.session, func(u *s3manager.Uploader) {
u.Concurrency = concurrency // default is 5
u.LeavePartsOnError = false
})
var expire *time.Time
if s.purgeDays.Hours() > 0 {
expire = aws.Time(time.Now().Add(s.purgeDays))
}
_, err = uploader.UploadWithContext(ctx, &s3manager.UploadInput{
Bucket: aws.String(s.bucket),
Key: aws.String(key),
Body: reader,
Expires: expire,
})
return
}
func getAwsSession(accessKey, secretKey, region, endpoint string, forcePathStyle bool) *session.Session {
return session.Must(session.NewSession(&aws.Config{
Region: aws.String(region),
Endpoint: aws.String(endpoint),
Credentials: credentials.NewStaticCredentials(accessKey, secretKey, ""),
S3ForcePathStyle: aws.Bool(forcePathStyle),
}))
}

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package storage
import (
"context"
"errors"
"io"
"log"
"time"
"storj.io/common/fpath"
"storj.io/common/storj"
"storj.io/uplink"
)
// StorjStorage is a storage backed by Storj
type StorjStorage struct {
Storage
project *uplink.Project
bucket *uplink.Bucket
purgeDays time.Duration
logger *log.Logger
}
// NewStorjStorage is the factory for StorjStorage
func NewStorjStorage(access, bucket string, purgeDays int, logger *log.Logger) (*StorjStorage, error) {
var instance StorjStorage
var err error
pCtx := context.TODO()
ctx := fpath.WithTempData(pCtx, "", true)
uplConf := &uplink.Config{
UserAgent: "transfer-sh",
}
parsedAccess, err := uplink.ParseAccess(access)
if err != nil {
return nil, err
}
instance.project, err = uplConf.OpenProject(ctx, parsedAccess)
if err != nil {
return nil, err
}
instance.bucket, err = instance.project.EnsureBucket(ctx, bucket)
if err != nil {
//Ignoring the error to return the one that occurred first, but try to clean up.
_ = instance.project.Close()
return nil, err
}
instance.purgeDays = time.Duration(purgeDays*24) * time.Hour
instance.logger = logger
return &instance, nil
}
// Type returns the storage type
func (s *StorjStorage) Type() string {
return "storj"
}
// Head retrieves content length of a file from storage
func (s *StorjStorage) Head(ctx context.Context, token string, filename string) (contentLength uint64, err error) {
key := storj.JoinPaths(token, filename)
obj, err := s.project.StatObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key)
if err != nil {
return 0, err
}
contentLength = uint64(obj.System.ContentLength)
return
}
// Get retrieves a file from storage
func (s *StorjStorage) Get(ctx context.Context, token string, filename string) (reader io.ReadCloser, contentLength uint64, err error) {
key := storj.JoinPaths(token, filename)
s.logger.Printf("Getting file %s from Storj Bucket", filename)
download, err := s.project.DownloadObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key, nil)
if err != nil {
return nil, 0, err
}
contentLength = uint64(download.Info().System.ContentLength)
reader = download
return
}
// Delete removes a file from storage
func (s *StorjStorage) Delete(ctx context.Context, token string, filename string) (err error) {
key := storj.JoinPaths(token, filename)
s.logger.Printf("Deleting file %s from Storj Bucket", filename)
_, err = s.project.DeleteObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key)
return
}
// Purge cleans up the storage
func (s *StorjStorage) Purge(ctx context.Context, days time.Duration) (err error) {
// NOOP expiration is set at upload time
return nil
}
// Put saves a file on storage
func (s *StorjStorage) Put(ctx context.Context, token string, filename string, reader io.Reader, contentType string, contentLength uint64) (err error) {
key := storj.JoinPaths(token, filename)
s.logger.Printf("Uploading file %s to Storj Bucket", filename)
var uploadOptions *uplink.UploadOptions
if s.purgeDays.Hours() > 0 {
uploadOptions = &uplink.UploadOptions{Expires: time.Now().Add(s.purgeDays)}
}
writer, err := s.project.UploadObject(fpath.WithTempData(ctx, "", true), s.bucket.Name, key, uploadOptions)
if err != nil {
return err
}
n, err := io.Copy(writer, reader)
if err != nil || uint64(n) != contentLength {
//Ignoring the error to return the one that occurred first, but try to clean up.
_ = writer.Abort()
return err
}
err = writer.SetCustomMetadata(ctx, uplink.CustomMetadata{"content-type": contentType})
if err != nil {
//Ignoring the error to return the one that occurred first, but try to clean up.
_ = writer.Abort()
return err
}
err = writer.Commit()
return err
}
// IsNotExist indicates if a file doesn't exist on storage
func (s *StorjStorage) IsNotExist(err error) bool {
return errors.Is(err, uplink.ErrObjectNotFound)
}

View file

@ -34,21 +34,9 @@ import (
"strconv"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/golang/gddo/httputil/header"
)
func getAwsSession(accessKey, secretKey, region, endpoint string, forcePathStyle bool) *session.Session {
return session.Must(session.NewSession(&aws.Config{
Region: aws.String(region),
Endpoint: aws.String(endpoint),
Credentials: credentials.NewStaticCredentials(accessKey, secretKey, ""),
S3ForcePathStyle: aws.Bool(forcePathStyle),
}))
}
func formatNumber(format string, s uint64) string {
return renderFloat(format, float64(s))
}
@ -279,9 +267,3 @@ func formatSize(size int64) string {
getSuffix := suffixes[int(math.Floor(base))]
return fmt.Sprintf("%s %s", strconv.FormatFloat(newVal, 'f', -1, 64), getSuffix)
}
func CloseCheck(f func() error) {
if err := f(); err != nil {
fmt.Println("Received close error:", err)
}
}