90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
// Copyright 2023 The casbin Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package storage
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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type LocalFileSystemStorageProvider struct {
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path string
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}
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func NewLocalFileSystemStorageProvider(path string) (*LocalFileSystemStorageProvider, error) {
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path = strings.ReplaceAll(path, "\\", "/")
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return &LocalFileSystemStorageProvider{path: path}, nil
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}
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func (p *LocalFileSystemStorageProvider) ListObjects(prefix string) ([]*Object, error) {
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objects := []*Object{}
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fullPath := p.path
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filepath.Walk(fullPath, func(path string, info os.FileInfo, err error) error {
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if path == fullPath {
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return nil
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}
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base := filepath.Base(path)
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if info.IsDir() && (strings.HasPrefix(base, ".") || base == "node_modules") {
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return filepath.SkipDir
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}
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if err == nil && !info.IsDir() {
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modTime := info.ModTime()
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path = strings.ReplaceAll(path, "\\", "/")
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relativePath := strings.TrimPrefix(path, fullPath)
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relativePath = strings.TrimPrefix(relativePath, "/")
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url := strings.Replace(path, ":", "|", 1)
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url = fmt.Sprintf("storage/%s", url)
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objects = append(objects, &Object{
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Key: relativePath,
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LastModified: modTime.Format(time.RFC3339),
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Size: info.Size(),
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Url: url,
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})
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}
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return nil
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})
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return objects, nil
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}
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func (p *LocalFileSystemStorageProvider) PutObject(user string, parent string, key string, fileBuffer *bytes.Buffer) error {
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fullPath := filepath.Join(p.path, key)
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err := os.MkdirAll(filepath.Dir(fullPath), os.ModePerm)
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if err != nil {
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return fmt.Errorf("Casdoor fails to create folder: \"%s\" for local file system storage provider: %s. Make sure Casdoor process has correct permission to create/access it, or you can create it manually in advance", filepath.Dir(fullPath), err.Error())
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}
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dst, err := os.Create(filepath.Clean(fullPath))
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if err == nil {
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_, err = io.Copy(dst, fileBuffer)
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}
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return err
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}
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func (p *LocalFileSystemStorageProvider) DeleteObject(key string) error {
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return os.Remove(filepath.Join(p.path, key))
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}
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