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137 lines
3.5 KiB
137 lines
3.5 KiB
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package storage
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import (
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"context"
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"io"
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"net/url"
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"os"
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"path"
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"strings"
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"time"
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"github.com/minio/minio-go/v7"
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"github.com/minio/minio-go/v7/pkg/credentials"
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)
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var (
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_ ObjectStorage = &MinioStorage{}
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quoteEscaper = strings.NewReplacer("\\", "\\\\", `"`, "\\\"")
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)
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// MinioStorage returns a minio bucket storage
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type MinioStorage struct {
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ctx context.Context
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client *minio.Client
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bucket string
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basePath string
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}
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// NewMinioStorage returns a minio storage
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func NewMinioStorage(ctx context.Context, endpoint, accessKeyID, secretAccessKey, bucket, location, basePath string, useSSL bool) (*MinioStorage, error) {
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minioClient, err := minio.New(endpoint, &minio.Options{
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Creds: credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
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Secure: useSSL,
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})
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if err != nil {
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return nil, err
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}
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if err := minioClient.MakeBucket(ctx, bucket, minio.MakeBucketOptions{
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Region: location,
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}); err != nil {
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// Check to see if we already own this bucket (which happens if you run this twice)
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exists, errBucketExists := minioClient.BucketExists(ctx, bucket)
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if !exists || errBucketExists != nil {
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return nil, err
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}
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}
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return &MinioStorage{
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ctx: ctx,
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client: minioClient,
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bucket: bucket,
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basePath: basePath,
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}, nil
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}
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func (m *MinioStorage) buildMinioPath(p string) string {
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return strings.TrimPrefix(path.Join(m.basePath, p), "/")
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}
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// Open open a file
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func (m *MinioStorage) Open(path string) (Object, error) {
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var opts = minio.GetObjectOptions{}
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object, err := m.client.GetObject(m.ctx, m.bucket, m.buildMinioPath(path), opts)
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if err != nil {
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return nil, err
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}
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return object, nil
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}
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// Save save a file to minio
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func (m *MinioStorage) Save(path string, r io.Reader) (int64, error) {
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uploadInfo, err := m.client.PutObject(
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m.ctx,
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m.bucket,
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m.buildMinioPath(path),
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r,
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-1,
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minio.PutObjectOptions{ContentType: "application/octet-stream"},
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)
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if err != nil {
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return 0, err
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}
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return uploadInfo.Size, nil
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}
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type minioFileInfo struct {
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minio.ObjectInfo
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}
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func (m minioFileInfo) Name() string {
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return m.ObjectInfo.Key
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}
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func (m minioFileInfo) Size() int64 {
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return m.ObjectInfo.Size
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}
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func (m minioFileInfo) ModTime() time.Time {
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return m.LastModified
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}
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// Stat returns the stat information of the object
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func (m *MinioStorage) Stat(path string) (ObjectInfo, error) {
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info, err := m.client.StatObject(
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m.ctx,
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m.bucket,
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m.buildMinioPath(path),
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minio.StatObjectOptions{},
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)
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if err != nil {
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if errResp, ok := err.(minio.ErrorResponse); ok {
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if errResp.Code == "NoSuchKey" {
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return nil, os.ErrNotExist
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}
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}
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return nil, err
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}
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return &minioFileInfo{info}, nil
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}
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// Delete delete a file
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func (m *MinioStorage) Delete(path string) error {
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return m.client.RemoveObject(m.ctx, m.bucket, m.buildMinioPath(path), minio.RemoveObjectOptions{})
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}
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// URL gets the redirect URL to a file. The presigned link is valid for 5 minutes.
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func (m *MinioStorage) URL(path, name string) (*url.URL, error) {
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reqParams := make(url.Values)
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// TODO it may be good to embed images with 'inline' like ServeData does, but we don't want to have to read the file, do we?
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reqParams.Set("response-content-disposition", "attachment; filename=\""+quoteEscaper.Replace(name)+"\"")
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return m.client.PresignedGetObject(m.ctx, m.bucket, m.buildMinioPath(path), 5*time.Minute, reqParams)
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}
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