restore mini code

pull/1273/head
withchao 2 years ago
parent cd99922b8c
commit 2516964c4c

@ -111,7 +111,6 @@ func NewMinio() (s3.Interface, error) {
if err := m.initMinio(ctx); err != nil {
fmt.Println("init minio error:", err)
}
return m, nil
}
@ -142,9 +141,8 @@ func (m *Minio) initMinio(ctx context.Context) error {
return fmt.Errorf("check bucket exists error: %w", err)
}
if !exists {
err2 := m.core.Client.MakeBucket(ctx, conf.Bucket, minio.MakeBucketOptions{})
if err2 != nil {
return fmt.Errorf("make bucket error: %w", err2)
if err := m.core.Client.MakeBucket(ctx, conf.Bucket, minio.MakeBucketOptions{}); err != nil {
return fmt.Errorf("make bucket error: %w", err)
}
}
if conf.PublicRead {
@ -152,9 +150,8 @@ func (m *Minio) initMinio(ctx context.Context) error {
`{"Version": "2012-10-17","Statement": [{"Action": ["s3:GetObject","s3:PutObject"],"Effect": "Allow","Principal": {"AWS": ["*"]},"Resource": ["arn:aws:s3:::%s/*"],"Sid": ""}]}`,
conf.Bucket,
)
err2 := m.core.Client.SetBucketPolicy(ctx, conf.Bucket, policy)
if err2 != nil {
return err2
if err := m.core.Client.SetBucketPolicy(ctx, conf.Bucket, policy); err != nil {
return err
}
}
m.location, err = m.core.Client.GetBucketLocation(ctx, conf.Bucket)
@ -194,6 +191,7 @@ func (m *Minio) Engine() string {
}
func (m *Minio) PartLimit() *s3.PartLimit {
return &s3.PartLimit{
MinPartSize: minPartSize,
MaxPartSize: maxPartSize,
@ -358,17 +356,15 @@ func (m *Minio) IsNotFound(err error) bool {
if err == nil {
return false
}
var minioErr minio.ErrorResponse
if errors.As(err, &minio.ErrorResponse{}) {
return minioErr.StatusCode == http.StatusNotFound || minioErr.Code == "NoSuchKey"
}
var minioErr2 *minio.ErrorResponse
if errors.As(err, &minioErr2) {
return minioErr2.StatusCode == http.StatusNotFound || minioErr2.Code == "NoSuchKey"
}
switch e := err.(type) {
case minio.ErrorResponse:
return e.StatusCode == http.StatusNotFound || e.Code == "NoSuchKey"
case *minio.ErrorResponse:
return e.StatusCode == http.StatusNotFound || e.Code == "NoSuchKey"
default:
return false
}
}
func (m *Minio) AbortMultipartUpload(ctx context.Context, uploadID string, name string) error {
if err := m.initMinio(ctx); err != nil {
@ -430,13 +426,11 @@ func (m *Minio) presignedGetObject(ctx context.Context, name string, expire time
return rawURL.String(), nil
}
func (m *Minio) getImageInfoForAccessURL(
ctx context.Context,
name string,
expire time.Duration,
opt *s3.AccessURLOption,
reqParams url.Values,
) (fileInfo *s3.ObjectInfo, objectInfoPath, msg string, err error) {
func (m *Minio) AccessURL(ctx context.Context, name string, expire time.Duration, opt *s3.AccessURLOption) (string, error) {
if err := m.initMinio(ctx); err != nil {
return "", err
}
reqParams := make(url.Values)
if opt != nil {
if opt.ContentType != "" {
reqParams.Set("response-content-type", opt.ContentType)
@ -446,47 +440,35 @@ func (m *Minio) getImageInfoForAccessURL(
}
}
if opt.Image == nil || (opt.Image.Width < 0 && opt.Image.Height < 0 && opt.Image.Format == "") || (opt.Image.Width > maxImageWidth || opt.Image.Height > maxImageHeight) {
msg, err = m.presignedGetObject(ctx, name, expire, reqParams)
return nil, "", msg, err
return m.presignedGetObject(ctx, name, expire, reqParams)
}
fileInfo, err = m.StatObject(ctx, name)
objectInfoPath = path.Join(pathInfo, fileInfo.ETag, "image.json")
fileInfo, err := m.StatObject(ctx, name)
if err != nil {
return nil, "", msg, err
return "", err
}
if fileInfo.Size > maxImageSize {
return nil, "", "", errors.New("file size too large")
}
return fileInfo, objectInfoPath, "", nil
return "", errors.New("file size too large")
}
func (m *Minio) loadImgDataForAccessURL(objectInfoPath string, ctx context.Context, name string, info *minioImageInfo) (img image.Image, msg string, err error) {
var data []byte
data, err = m.getObjectData(ctx, objectInfoPath, 1024)
//nolint:nestif //easy enough to understand
objectInfoPath := path.Join(pathInfo, fileInfo.ETag, "image.json")
var (
img image.Image
info minioImageInfo
)
data, err := m.getObjectData(ctx, objectInfoPath, 1024)
if err == nil {
err = json.Unmarshal(data, &info)
if err != nil {
return nil, "", fmt.Errorf("unmarshal minio image info.json error: %w", err)
if err := json.Unmarshal(data, &info); err != nil {
return "", fmt.Errorf("unmarshal minio image info.json error: %w", err)
}
if info.NotImage {
return nil, "", errors.New("not image")
return "", errors.New("not image")
}
} else if m.IsNotFound(err) {
var reader *minio.Object
reader, err = m.core.Client.GetObject(ctx, m.bucket, name, minio.GetObjectOptions{})
reader, err := m.core.Client.GetObject(ctx, m.bucket, name, minio.GetObjectOptions{})
if err != nil {
return img, msg, err
return "", err
}
defer reader.Close()
var (
imageInfo image.Image
format string
)
imageInfo, format, err = ImageStat(reader)
imageInfo, format, err := ImageStat(reader)
if err == nil {
info.NotImage = false
info.Format = format
@ -495,22 +477,16 @@ func (m *Minio) loadImgDataForAccessURL(objectInfoPath string, ctx context.Conte
} else {
info.NotImage = true
}
data, err = json.Marshal(&info)
if err != nil {
return img, msg, err
}
_, err = m.core.Client.PutObject(ctx, m.bucket, objectInfoPath, bytes.NewReader(data), int64(len(data)), minio.PutObjectOptions{})
data, err := json.Marshal(&info)
if err != nil {
return img, msg, err
return "", err
}
if _, err := m.core.Client.PutObject(ctx, m.bucket, objectInfoPath, bytes.NewReader(data), int64(len(data)), minio.PutObjectOptions{}); err != nil {
return "", err
}
return img, msg, err
} else {
return "", err
}
func (m *Minio) formatImgInfoForAccessURL(opt *s3.AccessURLOption, info *minioImageInfo, reqParams url.Values) {
if opt.Image.Width > info.Width || opt.Image.Width <= 0 {
opt.Image.Width = info.Width
}
@ -533,24 +509,24 @@ func (m *Minio) formatImgInfoForAccessURL(opt *s3.AccessURLOption, info *minioIm
}
}
reqParams.Set("response-content-type", "image/"+opt.Image.Format)
if opt.Image.Width == info.Width && opt.Image.Height == info.Height && opt.Image.Format == info.Format {
return m.presignedGetObject(ctx, name, expire, reqParams)
}
func (m *Minio) cacheImgInfoForAccessURL(ctx context.Context, name, cacheKey string, img image.Image, expire time.Duration, opt *s3.AccessURLOption, reqParams url.Values) (string, error) {
_, err := m.core.Client.StatObject(ctx, m.bucket, cacheKey, minio.StatObjectOptions{})
if err == nil {
cacheKey := filepath.Join(pathInfo, fileInfo.ETag, fmt.Sprintf("image_w%d_h%d.%s", opt.Image.Width, opt.Image.Height, opt.Image.Format))
if _, err := m.core.Client.StatObject(ctx, m.bucket, cacheKey, minio.StatObjectOptions{}); err == nil {
return m.presignedGetObject(ctx, cacheKey, expire, reqParams)
} else if !m.IsNotFound(err) {
return "", err
}
if img == nil {
reader, err2 := m.core.Client.GetObject(ctx, m.bucket, name, minio.GetObjectOptions{})
if err2 != nil {
return "", err2
reader, err := m.core.Client.GetObject(ctx, m.bucket, name, minio.GetObjectOptions{})
if err != nil {
return "", err
}
defer reader.Close()
img, _, err2 = ImageStat(reader)
if err2 != nil {
return "", err2
img, _, err = ImageStat(reader)
if err != nil {
return "", err
}
}
thumbnail := resizeImage(img, opt.Image.Width, opt.Image.Height)
@ -563,48 +539,10 @@ func (m *Minio) cacheImgInfoForAccessURL(ctx context.Context, name, cacheKey str
case formatGif:
err = gif.Encode(buf, thumbnail, nil)
}
if err != nil {
return "", err
}
if _, err := m.core.Client.PutObject(ctx, m.bucket, cacheKey, buf, int64(buf.Len()), minio.PutObjectOptions{}); err != nil {
return "", err
}
return "", nil
}
func (m *Minio) AccessURL(ctx context.Context, name string, expire time.Duration, opt *s3.AccessURLOption) (string, error) {
errInit := m.initMinio(ctx)
if errInit != nil {
return "", errInit
}
reqParams := make(url.Values)
fileInfo, objectInfoPath, msg, err := m.getImageInfoForAccessURL(ctx, name, expire, opt, reqParams)
if err != nil {
return msg, err
}
// load-cache img data
var (
img image.Image
info minioImageInfo
)
img, msg, err = m.loadImgDataForAccessURL(objectInfoPath, ctx, name, &info)
if err != nil {
return msg, err
}
// format img info
m.formatImgInfoForAccessURL(opt, &info, reqParams)
// no need resize
if opt.Image.Width == info.Width && opt.Image.Height == info.Height && opt.Image.Format == info.Format {
return m.presignedGetObject(ctx, name, expire, reqParams)
}
// cache img
cacheKey := filepath.Join(pathInfo, fileInfo.ETag, fmt.Sprintf("image_w%d_h%d.%s", opt.Image.Width, opt.Image.Height, opt.Image.Format))
msg, err = m.cacheImgInfoForAccessURL(ctx, name, cacheKey, img, expire, opt, reqParams)
if err != nil {
return msg, err
}
// return cache img
return m.presignedGetObject(ctx, cacheKey, expire, reqParams)
}

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