mirror of
				https://github.com/openimsdk/open-im-server.git
				synced 2025-11-03 10:02:17 +08:00 
			
		
		
		
	* fix: repeated modification session notification * fix: repeated modification session notification * fix: jpush return a nil pointer panic * fix: push redis pkg * fix: OANotification * feat: add rpc GetConversationNeedOfflinePushUserIDs * update pkg * cicd: robot automated Change * offlinePushMsg * conversation * conversation * cicd: robot automated Change * conversation * cicd: robot automated Change * conversation * url 2 im s3 * url 2 im s3 * cicd: robot automated Change * url 2 im s3 * s3 public read * cicd: robot automated Change * s3 public read * cicd: robot automated Change * s3 public read * s3 public read * s3 public read * s3 public read * s3 public read * cicd: robot automated Change * s3 public read * s3 public read * fix: SendMsg api * config scripts * config scripts --------- Co-authored-by: withchao <withchao@users.noreply.github.com>
		
			
				
	
	
		
			532 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			532 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright © 2023 OpenIM. All rights reserved.
 | 
						|
//
 | 
						|
// Licensed under the Apache License, Version 2.0 (the "License");
 | 
						|
// you may not use this file except in compliance with the License.
 | 
						|
// You may obtain a copy of the License at
 | 
						|
//
 | 
						|
//     http://www.apache.org/licenses/LICENSE-2.0
 | 
						|
//
 | 
						|
// Unless required by applicable law or agreed to in writing, software
 | 
						|
// distributed under the License is distributed on an "AS IS" BASIS,
 | 
						|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 | 
						|
// See the License for the specific language governing permissions and
 | 
						|
// limitations under the License.
 | 
						|
 | 
						|
package minio
 | 
						|
 | 
						|
import (
 | 
						|
	"bytes"
 | 
						|
	"context"
 | 
						|
	"encoding/json"
 | 
						|
	"errors"
 | 
						|
	"fmt"
 | 
						|
	"image"
 | 
						|
	"image/gif"
 | 
						|
	"image/jpeg"
 | 
						|
	"image/png"
 | 
						|
	"io"
 | 
						|
	"net/http"
 | 
						|
	"net/url"
 | 
						|
	"path"
 | 
						|
	"path/filepath"
 | 
						|
	"reflect"
 | 
						|
	"strconv"
 | 
						|
	"strings"
 | 
						|
	"sync"
 | 
						|
	"time"
 | 
						|
	"unsafe"
 | 
						|
 | 
						|
	"github.com/OpenIMSDK/tools/log"
 | 
						|
	"github.com/minio/minio-go/v7"
 | 
						|
	"github.com/minio/minio-go/v7/pkg/credentials"
 | 
						|
	"github.com/minio/minio-go/v7/pkg/signer"
 | 
						|
 | 
						|
	"github.com/openimsdk/open-im-server/v3/pkg/common/config"
 | 
						|
	"github.com/openimsdk/open-im-server/v3/pkg/common/db/s3"
 | 
						|
)
 | 
						|
 | 
						|
const (
 | 
						|
	unsignedPayload = "UNSIGNED-PAYLOAD"
 | 
						|
)
 | 
						|
 | 
						|
const (
 | 
						|
	minPartSize = 1024 * 1024 * 5        // 1MB
 | 
						|
	maxPartSize = 1024 * 1024 * 1024 * 5 // 5GB
 | 
						|
	maxNumSize  = 10000
 | 
						|
)
 | 
						|
 | 
						|
const (
 | 
						|
	maxImageWidth  = 1024
 | 
						|
	maxImageHeight = 1024
 | 
						|
	maxImageSize   = 1024 * 1024 * 50
 | 
						|
	pathInfo       = "openim/thumbnail"
 | 
						|
)
 | 
						|
 | 
						|
func NewMinio() (s3.Interface, error) {
 | 
						|
	conf := config.Config.Object.Minio
 | 
						|
	u, err := url.Parse(conf.Endpoint)
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	opts := &minio.Options{
 | 
						|
		Creds:  credentials.NewStaticV4(conf.AccessKeyID, conf.SecretAccessKey, conf.SessionToken),
 | 
						|
		Secure: u.Scheme == "https",
 | 
						|
	}
 | 
						|
	client, err := minio.New(u.Host, opts)
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	m := &Minio{
 | 
						|
		bucket: conf.Bucket,
 | 
						|
		core:   &minio.Core{Client: client},
 | 
						|
		lock:   &sync.Mutex{},
 | 
						|
		init:   false,
 | 
						|
	}
 | 
						|
	if conf.SignEndpoint == "" || conf.SignEndpoint == conf.Endpoint {
 | 
						|
		m.opts = opts
 | 
						|
		m.sign = m.core.Client
 | 
						|
		m.bucketURL = conf.Endpoint + "/" + conf.Bucket + "/"
 | 
						|
	} else {
 | 
						|
		su, err := url.Parse(conf.SignEndpoint)
 | 
						|
		if err != nil {
 | 
						|
			return nil, err
 | 
						|
		}
 | 
						|
		m.opts = &minio.Options{
 | 
						|
			Creds:  credentials.NewStaticV4(conf.AccessKeyID, conf.SecretAccessKey, conf.SessionToken),
 | 
						|
			Secure: su.Scheme == "https",
 | 
						|
		}
 | 
						|
		m.sign, err = minio.New(su.Host, m.opts)
 | 
						|
		if err != nil {
 | 
						|
			return nil, err
 | 
						|
		}
 | 
						|
		m.bucketURL = conf.SignEndpoint + "/" + conf.Bucket + "/"
 | 
						|
	}
 | 
						|
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
 | 
						|
	defer cancel()
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		fmt.Println("init minio error:", err)
 | 
						|
	}
 | 
						|
	return m, nil
 | 
						|
}
 | 
						|
 | 
						|
type Minio struct {
 | 
						|
	bucket    string
 | 
						|
	bucketURL string
 | 
						|
	location  string
 | 
						|
	opts      *minio.Options
 | 
						|
	core      *minio.Core
 | 
						|
	sign      *minio.Client
 | 
						|
	lock      sync.Locker
 | 
						|
	init      bool
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) initMinio(ctx context.Context) error {
 | 
						|
	if m.init {
 | 
						|
		return nil
 | 
						|
	}
 | 
						|
	m.lock.Lock()
 | 
						|
	defer m.lock.Unlock()
 | 
						|
	if m.init {
 | 
						|
		return nil
 | 
						|
	}
 | 
						|
	conf := config.Config.Object.Minio
 | 
						|
	exists, err := m.core.Client.BucketExists(ctx, conf.Bucket)
 | 
						|
	if err != nil {
 | 
						|
		return fmt.Errorf("check bucket exists error: %w", err)
 | 
						|
	}
 | 
						|
	if !exists {
 | 
						|
		if err := m.core.Client.MakeBucket(ctx, conf.Bucket, minio.MakeBucketOptions{}); err != nil {
 | 
						|
			return fmt.Errorf("make bucket error: %w", err)
 | 
						|
		}
 | 
						|
	}
 | 
						|
	if conf.PublicRead {
 | 
						|
		policy := fmt.Sprintf(
 | 
						|
			`{"Version": "2012-10-17","Statement": [{"Action": ["s3:GetObject","s3:PutObject"],"Effect": "Allow","Principal": {"AWS": ["*"]},"Resource": ["arn:aws:s3:::%s/*"],"Sid": ""}]}`,
 | 
						|
			conf.Bucket,
 | 
						|
		)
 | 
						|
		if err := m.core.Client.SetBucketPolicy(ctx, conf.Bucket, policy); err != nil {
 | 
						|
			return err
 | 
						|
		}
 | 
						|
	}
 | 
						|
	m.location, err = m.core.Client.GetBucketLocation(ctx, conf.Bucket)
 | 
						|
	if err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	func() {
 | 
						|
		if conf.SignEndpoint == "" || conf.SignEndpoint == conf.Endpoint {
 | 
						|
			return
 | 
						|
		}
 | 
						|
		defer func() {
 | 
						|
			if r := recover(); r != nil {
 | 
						|
				m.sign = m.core.Client
 | 
						|
				log.ZWarn(
 | 
						|
					context.Background(),
 | 
						|
					"set sign bucket location cache panic",
 | 
						|
					errors.New("failed to get private field value"),
 | 
						|
					"recover",
 | 
						|
					fmt.Sprintf("%+v", r),
 | 
						|
					"development version",
 | 
						|
					"github.com/minio/minio-go/v7 v7.0.61",
 | 
						|
				)
 | 
						|
			}
 | 
						|
		}()
 | 
						|
		blc := reflect.ValueOf(m.sign).Elem().FieldByName("bucketLocCache")
 | 
						|
		vblc := reflect.New(reflect.PtrTo(blc.Type()))
 | 
						|
		*(*unsafe.Pointer)(vblc.UnsafePointer()) = unsafe.Pointer(blc.UnsafeAddr())
 | 
						|
		vblc.Elem().Elem().Interface().(interface{ Set(string, string) }).Set(conf.Bucket, m.location)
 | 
						|
	}()
 | 
						|
	m.init = true
 | 
						|
	return nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) Engine() string {
 | 
						|
	return "minio"
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) PartLimit() *s3.PartLimit {
 | 
						|
	return &s3.PartLimit{
 | 
						|
		MinPartSize: minPartSize,
 | 
						|
		MaxPartSize: maxPartSize,
 | 
						|
		MaxNumSize:  maxNumSize,
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) InitiateMultipartUpload(ctx context.Context, name string) (*s3.InitiateMultipartUploadResult, error) {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	uploadID, err := m.core.NewMultipartUpload(ctx, m.bucket, name, minio.PutObjectOptions{})
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	return &s3.InitiateMultipartUploadResult{
 | 
						|
		Bucket:   m.bucket,
 | 
						|
		Key:      name,
 | 
						|
		UploadID: uploadID,
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) CompleteMultipartUpload(ctx context.Context, uploadID string, name string, parts []s3.Part) (*s3.CompleteMultipartUploadResult, error) {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	minioParts := make([]minio.CompletePart, len(parts))
 | 
						|
	for i, part := range parts {
 | 
						|
		minioParts[i] = minio.CompletePart{
 | 
						|
			PartNumber: part.PartNumber,
 | 
						|
			ETag:       strings.ToLower(part.ETag),
 | 
						|
		}
 | 
						|
	}
 | 
						|
	upload, err := m.core.CompleteMultipartUpload(ctx, m.bucket, name, uploadID, minioParts, minio.PutObjectOptions{})
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	return &s3.CompleteMultipartUploadResult{
 | 
						|
		Location: upload.Location,
 | 
						|
		Bucket:   upload.Bucket,
 | 
						|
		Key:      upload.Key,
 | 
						|
		ETag:     strings.ToLower(upload.ETag),
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) PartSize(ctx context.Context, size int64) (int64, error) {
 | 
						|
	if size <= 0 {
 | 
						|
		return 0, errors.New("size must be greater than 0")
 | 
						|
	}
 | 
						|
	if size > maxPartSize*maxNumSize {
 | 
						|
		return 0, fmt.Errorf("size must be less than %db", maxPartSize*maxNumSize)
 | 
						|
	}
 | 
						|
	if size <= minPartSize*maxNumSize {
 | 
						|
		return minPartSize, nil
 | 
						|
	}
 | 
						|
	partSize := size / maxNumSize
 | 
						|
	if size%maxNumSize != 0 {
 | 
						|
		partSize++
 | 
						|
	}
 | 
						|
	return partSize, nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) AuthSign(ctx context.Context, uploadID string, name string, expire time.Duration, partNumbers []int) (*s3.AuthSignResult, error) {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	creds, err := m.opts.Creds.Get()
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	result := s3.AuthSignResult{
 | 
						|
		URL:   m.bucketURL + name,
 | 
						|
		Query: url.Values{"uploadId": {uploadID}},
 | 
						|
		Parts: make([]s3.SignPart, len(partNumbers)),
 | 
						|
	}
 | 
						|
	for i, partNumber := range partNumbers {
 | 
						|
		rawURL := result.URL + "?partNumber=" + strconv.Itoa(partNumber) + "&uploadId=" + uploadID
 | 
						|
		request, err := http.NewRequestWithContext(ctx, http.MethodPut, rawURL, nil)
 | 
						|
		if err != nil {
 | 
						|
			return nil, err
 | 
						|
		}
 | 
						|
		request.Header.Set("X-Amz-Content-Sha256", unsignedPayload)
 | 
						|
		request = signer.SignV4Trailer(*request, creds.AccessKeyID, creds.SecretAccessKey, creds.SessionToken, m.location, nil)
 | 
						|
		result.Parts[i] = s3.SignPart{
 | 
						|
			PartNumber: partNumber,
 | 
						|
			URL:        request.URL.String(),
 | 
						|
			Query:      url.Values{"partNumber": {strconv.Itoa(partNumber)}},
 | 
						|
			Header:     request.Header,
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return &result, nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) PresignedPutObject(ctx context.Context, name string, expire time.Duration) (string, error) {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return "", err
 | 
						|
	}
 | 
						|
	rawURL, err := m.sign.PresignedPutObject(ctx, m.bucket, name, expire)
 | 
						|
	if err != nil {
 | 
						|
		return "", err
 | 
						|
	}
 | 
						|
	return rawURL.String(), nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) DeleteObject(ctx context.Context, name string) error {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	return m.core.Client.RemoveObject(ctx, m.bucket, name, minio.RemoveObjectOptions{})
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) StatObject(ctx context.Context, name string) (*s3.ObjectInfo, error) {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	info, err := m.core.Client.StatObject(ctx, m.bucket, name, minio.StatObjectOptions{})
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	return &s3.ObjectInfo{
 | 
						|
		ETag:         strings.ToLower(info.ETag),
 | 
						|
		Key:          info.Key,
 | 
						|
		Size:         info.Size,
 | 
						|
		LastModified: info.LastModified,
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) CopyObject(ctx context.Context, src string, dst string) (*s3.CopyObjectInfo, error) {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	result, err := m.core.Client.CopyObject(ctx, minio.CopyDestOptions{
 | 
						|
		Bucket: m.bucket,
 | 
						|
		Object: dst,
 | 
						|
	}, minio.CopySrcOptions{
 | 
						|
		Bucket: m.bucket,
 | 
						|
		Object: src,
 | 
						|
	})
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	return &s3.CopyObjectInfo{
 | 
						|
		Key:  dst,
 | 
						|
		ETag: strings.ToLower(result.ETag),
 | 
						|
	}, nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) IsNotFound(err error) bool {
 | 
						|
	if err == nil {
 | 
						|
		return false
 | 
						|
	}
 | 
						|
	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 {
 | 
						|
		return err
 | 
						|
	}
 | 
						|
	return m.core.AbortMultipartUpload(ctx, m.bucket, name, uploadID)
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) ListUploadedParts(ctx context.Context, uploadID string, name string, partNumberMarker int, maxParts int) (*s3.ListUploadedPartsResult, error) {
 | 
						|
	if err := m.initMinio(ctx); err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	result, err := m.core.ListObjectParts(ctx, m.bucket, name, uploadID, partNumberMarker, maxParts)
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	res := &s3.ListUploadedPartsResult{
 | 
						|
		Key:                  result.Key,
 | 
						|
		UploadID:             result.UploadID,
 | 
						|
		MaxParts:             result.MaxParts,
 | 
						|
		NextPartNumberMarker: result.NextPartNumberMarker,
 | 
						|
		UploadedParts:        make([]s3.UploadedPart, len(result.ObjectParts)),
 | 
						|
	}
 | 
						|
	for i, part := range result.ObjectParts {
 | 
						|
		res.UploadedParts[i] = s3.UploadedPart{
 | 
						|
			PartNumber:   part.PartNumber,
 | 
						|
			LastModified: part.LastModified,
 | 
						|
			ETag:         part.ETag,
 | 
						|
			Size:         part.Size,
 | 
						|
		}
 | 
						|
	}
 | 
						|
	return res, nil
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) presignedGetObject(ctx context.Context, name string, expire time.Duration, query url.Values) (string, error) {
 | 
						|
	if expire <= 0 {
 | 
						|
		expire = time.Hour * 24 * 365 * 99 // 99 years
 | 
						|
	} else if expire < time.Second {
 | 
						|
		expire = time.Second
 | 
						|
	}
 | 
						|
	var (
 | 
						|
		rawURL *url.URL
 | 
						|
		err    error
 | 
						|
	)
 | 
						|
	if config.Config.Object.Minio.PublicRead {
 | 
						|
		rawURL, err = makeTargetURL(m.sign, m.bucket, name, m.location, false, query)
 | 
						|
	} else {
 | 
						|
		rawURL, err = m.sign.PresignedGetObject(ctx, m.bucket, name, expire, query)
 | 
						|
	}
 | 
						|
	if err != nil {
 | 
						|
		return "", err
 | 
						|
	}
 | 
						|
	return rawURL.String(), nil
 | 
						|
}
 | 
						|
 | 
						|
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)
 | 
						|
		}
 | 
						|
		if opt.Filename != "" {
 | 
						|
			reqParams.Set("response-content-disposition", `attachment; filename=`+strconv.Quote(opt.Filename))
 | 
						|
		}
 | 
						|
	}
 | 
						|
	if opt.Image == nil || (opt.Image.Width < 0 && opt.Image.Height < 0 && opt.Image.Format == "") || (opt.Image.Width > maxImageWidth || opt.Image.Height > maxImageHeight) {
 | 
						|
		return m.presignedGetObject(ctx, name, expire, reqParams)
 | 
						|
	}
 | 
						|
	fileInfo, err := m.StatObject(ctx, name)
 | 
						|
	if err != nil {
 | 
						|
		return "", err
 | 
						|
	}
 | 
						|
	if fileInfo.Size > maxImageSize {
 | 
						|
		return "", errors.New("file size too large")
 | 
						|
	}
 | 
						|
	objectInfoPath := path.Join(pathInfo, fileInfo.ETag, "image.json")
 | 
						|
	var (
 | 
						|
		img  image.Image
 | 
						|
		info minioImageInfo
 | 
						|
	)
 | 
						|
	data, err := m.getObjectData(ctx, objectInfoPath, 1024)
 | 
						|
	if err == nil {
 | 
						|
		if err := json.Unmarshal(data, &info); err != nil {
 | 
						|
			return "", fmt.Errorf("unmarshal minio image info.json error: %w", err)
 | 
						|
		}
 | 
						|
		if info.NotImage {
 | 
						|
			return "", errors.New("not image")
 | 
						|
		}
 | 
						|
	} else if m.IsNotFound(err) {
 | 
						|
		reader, err := m.core.Client.GetObject(ctx, m.bucket, name, minio.GetObjectOptions{})
 | 
						|
		if err != nil {
 | 
						|
			return "", err
 | 
						|
		}
 | 
						|
		defer reader.Close()
 | 
						|
		imageInfo, format, err := ImageStat(reader)
 | 
						|
		if err == nil {
 | 
						|
			info.NotImage = false
 | 
						|
			info.Format = format
 | 
						|
			info.Width, info.Height = ImageWidthHeight(imageInfo)
 | 
						|
			img = imageInfo
 | 
						|
		} else {
 | 
						|
			info.NotImage = true
 | 
						|
		}
 | 
						|
		data, err := json.Marshal(&info)
 | 
						|
		if err != nil {
 | 
						|
			return "", err
 | 
						|
		}
 | 
						|
		if _, err := m.core.Client.PutObject(ctx, m.bucket, objectInfoPath, bytes.NewReader(data), int64(len(data)), minio.PutObjectOptions{}); err != nil {
 | 
						|
			return "", err
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		return "", err
 | 
						|
	}
 | 
						|
	if opt.Image.Width > info.Width || opt.Image.Width <= 0 {
 | 
						|
		opt.Image.Width = info.Width
 | 
						|
	}
 | 
						|
	if opt.Image.Height > info.Height || opt.Image.Height <= 0 {
 | 
						|
		opt.Image.Height = info.Height
 | 
						|
	}
 | 
						|
	opt.Image.Format = strings.ToLower(opt.Image.Format)
 | 
						|
	if opt.Image.Format == formatJpg {
 | 
						|
		opt.Image.Format = formatJpeg
 | 
						|
	}
 | 
						|
	switch opt.Image.Format {
 | 
						|
	case formatPng:
 | 
						|
	case formatJpeg:
 | 
						|
	case formatGif:
 | 
						|
	default:
 | 
						|
		if info.Format == formatGif {
 | 
						|
			opt.Image.Format = formatGif
 | 
						|
		} else {
 | 
						|
			opt.Image.Format = formatJpeg
 | 
						|
		}
 | 
						|
	}
 | 
						|
	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)
 | 
						|
	}
 | 
						|
	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, err := m.core.Client.GetObject(ctx, m.bucket, name, minio.GetObjectOptions{})
 | 
						|
		if err != nil {
 | 
						|
			return "", err
 | 
						|
		}
 | 
						|
		defer reader.Close()
 | 
						|
		img, _, err = ImageStat(reader)
 | 
						|
		if err != nil {
 | 
						|
			return "", err
 | 
						|
		}
 | 
						|
	}
 | 
						|
	thumbnail := resizeImage(img, opt.Image.Width, opt.Image.Height)
 | 
						|
	buf := bytes.NewBuffer(nil)
 | 
						|
	switch opt.Image.Format {
 | 
						|
	case formatPng:
 | 
						|
		err = png.Encode(buf, thumbnail)
 | 
						|
	case formatJpeg:
 | 
						|
		err = jpeg.Encode(buf, thumbnail, nil)
 | 
						|
	case formatGif:
 | 
						|
		err = gif.Encode(buf, thumbnail, nil)
 | 
						|
	}
 | 
						|
	if _, err := m.core.Client.PutObject(ctx, m.bucket, cacheKey, buf, int64(buf.Len()), minio.PutObjectOptions{}); err != nil {
 | 
						|
		return "", err
 | 
						|
	}
 | 
						|
	return m.presignedGetObject(ctx, cacheKey, expire, reqParams)
 | 
						|
}
 | 
						|
 | 
						|
func (m *Minio) getObjectData(ctx context.Context, name string, limit int64) ([]byte, error) {
 | 
						|
	object, err := m.core.Client.GetObject(ctx, m.bucket, name, minio.GetObjectOptions{})
 | 
						|
	if err != nil {
 | 
						|
		return nil, err
 | 
						|
	}
 | 
						|
	defer object.Close()
 | 
						|
	if limit < 0 {
 | 
						|
		return io.ReadAll(object)
 | 
						|
	}
 | 
						|
	return io.ReadAll(io.LimitReader(object, 1024))
 | 
						|
}
 |