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// Copyright 2024, Command Line Inc.
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// SPDX-License-Identifier: Apache-2.0
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package fileservice
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import (
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"encoding/base64"
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"fmt"
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"os"
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"path/filepath"
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"github.com/wavetermdev/thenextwave/pkg/util/utilfn"
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"github.com/wavetermdev/thenextwave/pkg/wavebase"
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)
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type FileService struct{}
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type FileInfo struct {
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Path string `json:"path"` // cleaned path
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NotFound bool `json:"notfound,omitempty"`
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Size int64 `json:"size"`
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Mode os.FileMode `json:"mode"`
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ModTime int64 `json:"modtime"`
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IsDir bool `json:"isdir,omitempty"`
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MimeType string `json:"mimetype,omitempty"`
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}
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type FullFile struct {
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Info *FileInfo `json:"info"`
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Data64 string `json:"data64,omitempty"` // base64 encoded
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}
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func (fs *FileService) StatFile(path string) (*FileInfo, error) {
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cleanedPath := filepath.Clean(wavebase.ExpandHomeDir(path))
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finfo, err := os.Stat(cleanedPath)
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if os.IsNotExist(err) {
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return &FileInfo{Path: wavebase.ReplaceHomeDir(path), NotFound: true}, nil
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}
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if err != nil {
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return nil, fmt.Errorf("cannot stat file %q: %w", path, err)
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}
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mimeType := utilfn.DetectMimeType(path)
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return &FileInfo{
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Path: wavebase.ReplaceHomeDir(path),
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Size: finfo.Size(),
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Mode: finfo.Mode(),
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ModTime: finfo.ModTime().UnixMilli(),
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IsDir: finfo.IsDir(),
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MimeType: mimeType,
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}, nil
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}
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func (fs *FileService) ReadFile(path string) (*FullFile, error) {
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finfo, err := fs.StatFile(path)
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if err != nil {
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return nil, fmt.Errorf("cannot stat file %q: %w", path, err)
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}
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if finfo.NotFound {
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return &FullFile{Info: finfo}, nil
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}
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cleanedPath := filepath.Clean(wavebase.ExpandHomeDir(path))
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barr, err := os.ReadFile(cleanedPath)
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if err != nil {
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return nil, fmt.Errorf("cannot read file %q: %w", path, err)
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}
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return &FullFile{
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Info: finfo,
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Data64: base64.StdEncoding.EncodeToString(barr),
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}, nil
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}
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