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client.go
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client.go
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/*
* Copyright (c) 2019-2021. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package mock
import (
"bytes"
"context"
"fmt"
"io"
"time"
"github.com/pydio/cells/v4/common/nodes/models"
)
// New creates a new mock Client with an optional list of buckets
func New(buckets ...string) *Client {
c := &Client{
Buckets: map[string]map[string]mockObject{},
FakeTags: map[string]map[string]string{},
}
for _, b := range buckets {
c.Buckets[b] = make(map[string]mockObject)
}
return c
}
type mockObject struct {
models.ObjectInfo
contents []byte
}
// Client is an in-memory implementation of the nodes.StorageClient interface
type Client struct {
Buckets map[string]map[string]mockObject
FakeTags map[string]map[string]string
}
func (c *Client) ListBuckets(ctx context.Context) (bb []models.BucketInfo, e error) {
for b := range c.Buckets {
bb = append(bb, models.BucketInfo{Name: b, CreationDate: time.Now()})
}
return
}
func (c *Client) MakeBucket(ctx context.Context, bucketName string, location string) (err error) {
if _, ok := c.Buckets[bucketName]; ok {
return fmt.Errorf("bucket already exists")
}
c.Buckets[bucketName] = map[string]mockObject{}
return nil
}
func (c *Client) RemoveBucket(ctx context.Context, bucketName string) error {
if _, ok := c.Buckets[bucketName]; !ok {
return fmt.Errorf("bucket not found %s", bucketName)
}
delete(c.Buckets, bucketName)
return nil
}
func (c *Client) BucketNotifications(ctx context.Context, bucketName string, prefix string, events []string) (<-chan interface{}, error) {
return nil, fmt.Errorf("not implemented")
}
func (c *Client) BucketTags(ctx context.Context, bucketName string) (map[string]string, error) {
if tt, o := c.FakeTags[bucketName]; o {
return tt, nil
} else {
return map[string]string{}, nil
}
}
func (c *Client) GetObject(ctx context.Context, bucketName, objectName string, opts models.ReadMeta) (io.ReadCloser, models.ObjectInfo, error) {
bucket, ok := c.Buckets[bucketName]
if !ok {
return nil, models.ObjectInfo{}, fmt.Errorf("bucket not found %s", bucketName)
}
if object, ok := bucket[objectName]; ok {
return newReadCloser(object.contents), models.ObjectInfo{Size: int64(len(object.contents))}, nil
} else {
return nil, models.ObjectInfo{}, fmt.Errorf("object not found")
}
}
func (c *Client) StatObject(ctx context.Context, bucketName, objectName string, opts models.ReadMeta) (models.ObjectInfo, error) {
bucket, ok := c.Buckets[bucketName]
if !ok {
return models.ObjectInfo{}, fmt.Errorf("bucket not found %s", bucketName)
}
if object, ok := bucket[objectName]; ok {
return object.ObjectInfo, nil
} else {
return models.ObjectInfo{}, fmt.Errorf("object not found")
}
}
func (c *Client) PutObject(ctx context.Context, bucketName, objectName string, reader io.Reader, objectSize int64, opts models.PutMeta) (n models.ObjectInfo, err error) {
bucket, ok := c.Buckets[bucketName]
if !ok {
return models.ObjectInfo{}, fmt.Errorf("bucket not found %s", bucketName)
}
bb, _ := io.ReadAll(reader)
eTag := ""
if opts.UserMetadata != nil {
if e, o := opts.UserMetadata["eTag"]; o && e != "" {
eTag = e
}
}
bucket[objectName] = mockObject{
ObjectInfo: models.ObjectInfo{
Key: objectName,
Size: int64(len(bb)),
ETag: eTag,
LastModified: time.Now(),
ContentType: opts.ContentType,
},
contents: bb,
}
return bucket[objectName].ObjectInfo, nil
}
func (c *Client) RemoveObject(ctx context.Context, bucketName, objectName string) error {
bucket, ok := c.Buckets[bucketName]
if !ok {
return fmt.Errorf("bucket not found %s", bucketName)
}
if _, ok := bucket[objectName]; !ok {
return fmt.Errorf("object not found")
}
delete(bucket, objectName)
return nil
}
func (c *Client) ListObjects(ctx context.Context, bucketName, prefix, marker, delimiter string, max ...int) (result models.ListBucketResult, err error) {
bucket, ok := c.Buckets[bucketName]
if !ok {
return result, fmt.Errorf("bucket not found %s", bucketName)
}
i := 0
for _, data := range bucket {
result.Contents = append(result.Contents, data.ObjectInfo)
i++
if len(max) > 0 && max[0] > 0 && i >= max[0] {
break
}
}
return result, nil
}
func (c *Client) NewMultipartUpload(ctx context.Context, bucket, object string, opts models.PutMeta) (uploadID string, err error) {
return "", fmt.Errorf("not.implemented")
}
func (c *Client) ListMultipartUploads(ctx context.Context, bucket, prefix, keyMarker, uploadIDMarker, delimiter string, maxUploads int) (result models.ListMultipartUploadsResult, err error) {
return result, fmt.Errorf("not.implemented")
}
func (c *Client) ListObjectParts(ctx context.Context, bucketName, objectName, uploadID string, partNumberMarker, maxParts int) (models.ListObjectPartsResult, error) {
return models.ListObjectPartsResult{}, fmt.Errorf("not.implemented")
}
func (c *Client) CompleteMultipartUpload(ctx context.Context, bucket, object, uploadID string, parts []models.MultipartObjectPart) (string, error) {
return "", fmt.Errorf("not.implemented")
}
func (c *Client) PutObjectPart(ctx context.Context, bucket, object, uploadID string, partID int, data io.Reader, size int64, md5Base64, sha256Hex string) (models.MultipartObjectPart, error) {
return models.MultipartObjectPart{}, fmt.Errorf("not.implemented")
}
func (c *Client) AbortMultipartUpload(ctx context.Context, bucket, object, uploadID string) error {
return fmt.Errorf("not.implemented")
}
func (c *Client) CopyObject(ctx context.Context, sourceBucket, sourceObject, destBucket, destObject string, srcMeta, metadata map[string]string, progress io.Reader) (models.ObjectInfo, error) {
srcBucket, ok := c.Buckets[sourceBucket]
if !ok {
return models.ObjectInfo{}, fmt.Errorf("src bucket not found")
}
srcObjBytes, ok2 := srcBucket[sourceObject]
if !ok2 {
return models.ObjectInfo{}, fmt.Errorf("src object not found")
}
dstBucket, ok3 := c.Buckets[destBucket]
if !ok3 {
return models.ObjectInfo{}, fmt.Errorf("dest bucket not found")
}
cc := make([]byte, len(srcObjBytes.contents))
copy(cc, srcObjBytes.contents)
dstBucket[destObject] = mockObject{ObjectInfo: models.ObjectInfo{}, contents: cc}
return models.ObjectInfo{Size: int64(len(srcObjBytes.contents))}, nil
}
func (c *Client) CopyObjectMultipartThreshold() int64 {
return 0
}
func (c *Client) CopyObjectMultipart(ctx context.Context, srcObject models.ObjectInfo, srcBucket, srcPath, destBucket, destPath string, meta map[string]string, progress io.Reader) error {
return fmt.Errorf("not.implemented")
}
type mockReadCloser struct {
*bytes.Buffer
}
func newReadCloser(bb []byte) *mockReadCloser {
return &mockReadCloser{Buffer: bytes.NewBuffer(bb)}
}
func (m *mockReadCloser) Close() error {
return nil
}