mirror of
https://github.com/casdoor/casdoor.git
synced 2025-05-23 02:35:49 +08:00
121 lines
3.4 KiB
Go
121 lines
3.4 KiB
Go
// Copyright 2021 The Casdoor 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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"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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"github.com/casdoor/oss"
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)
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// LocalFileSystemProvider file system storage
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type LocalFileSystemProvider struct {
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BaseDir string
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}
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// NewLocalFileSystemStorageProvider initialize the local file system storage
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func NewLocalFileSystemStorageProvider() *LocalFileSystemProvider {
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baseFolder := "files"
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absBase, err := filepath.Abs(baseFolder)
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if err != nil {
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panic(err)
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}
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return &LocalFileSystemProvider{BaseDir: absBase}
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}
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// GetFullPath get full path from absolute/relative path
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func (sp LocalFileSystemProvider) GetFullPath(path string) string {
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fullPath := path
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if !strings.HasPrefix(path, sp.BaseDir) {
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fullPath, _ = filepath.Abs(filepath.Join(sp.BaseDir, path))
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}
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return fullPath
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}
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// Get receive file with given path
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func (sp LocalFileSystemProvider) Get(path string) (*os.File, error) {
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return os.Open(sp.GetFullPath(path))
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}
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// GetStream get file as stream
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func (sp LocalFileSystemProvider) GetStream(path string) (io.ReadCloser, error) {
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return os.Open(sp.GetFullPath(path))
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}
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// Put store a reader into given path
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func (sp LocalFileSystemProvider) Put(path string, reader io.Reader) (*oss.Object, error) {
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fullPath := sp.GetFullPath(path)
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err := os.MkdirAll(filepath.Dir(fullPath), os.ModePerm)
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if err != nil {
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return nil, 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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defer dst.Close()
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if seeker, ok := reader.(io.ReadSeeker); ok {
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seeker.Seek(0, 0)
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}
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_, err = io.Copy(dst, reader)
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}
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return &oss.Object{Path: path, Name: filepath.Base(path), StorageInterface: sp}, err
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}
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// Delete delete file
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func (sp LocalFileSystemProvider) Delete(path string) error {
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return os.Remove(sp.GetFullPath(path))
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}
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// List list all objects under current path
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func (sp LocalFileSystemProvider) List(path string) ([]*oss.Object, error) {
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objects := []*oss.Object{}
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fullPath := sp.GetFullPath(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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if err == nil && !info.IsDir() {
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modTime := info.ModTime()
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objects = append(objects, &oss.Object{
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Path: strings.TrimPrefix(path, sp.BaseDir),
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Name: info.Name(),
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LastModified: &modTime,
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StorageInterface: sp,
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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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// GetEndpoint get endpoint, LocalFileSystemProvider's endpoint is /
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func (sp LocalFileSystemProvider) GetEndpoint() string {
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return "/"
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}
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// GetURL get public accessible URL
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func (sp LocalFileSystemProvider) GetURL(path string) (url string, err error) {
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return path, nil
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}
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