mirror of
https://github.com/filebrowser/filebrowser.git
synced 2024-06-07 23:00:43 +00:00
145 lines
3.1 KiB
Go
145 lines
3.1 KiB
Go
package file
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"net/http"
|
|
"net/url"
|
|
"os"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
humanize "github.com/dustin/go-humanize"
|
|
"github.com/hacdias/caddy-filemanager/config"
|
|
"github.com/hacdias/caddy-filemanager/utils/errors"
|
|
)
|
|
|
|
// Info contains the information about a particular file or directory
|
|
type Info struct {
|
|
os.FileInfo
|
|
URL string
|
|
Path string // Relative path to Caddyfile
|
|
VirtualPath string // Relative path to u.FileSystem
|
|
Mimetype string
|
|
Content []byte
|
|
Type string
|
|
UserAllowed bool // Indicates if the user has enough permissions
|
|
}
|
|
|
|
// GetInfo gets the file information and, in case of error, returns the
|
|
// respective HTTP error code
|
|
func GetInfo(url *url.URL, c *config.Config, u *config.User) (*Info, int, error) {
|
|
var err error
|
|
|
|
i := &Info{URL: url.Path}
|
|
i.VirtualPath = strings.Replace(url.Path, c.BaseURL, "", 1)
|
|
i.VirtualPath = strings.TrimPrefix(i.VirtualPath, "/")
|
|
i.VirtualPath = "/" + i.VirtualPath
|
|
|
|
i.Path = u.Scope + i.VirtualPath
|
|
i.Path = strings.Replace(i.Path, "\\", "/", -1)
|
|
i.Path = filepath.Clean(i.Path)
|
|
|
|
i.FileInfo, err = os.Stat(i.Path)
|
|
if err != nil {
|
|
return i, errors.ErrorToHTTPCode(err, true), err
|
|
}
|
|
|
|
return i, 0, nil
|
|
}
|
|
|
|
// RetrieveFileType obtains the mimetype and a simplified internal Type
|
|
// using the first 512 bytes from the file.
|
|
func (i *Info) RetrieveFileType() error {
|
|
file, err := os.Open(i.Path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer file.Close()
|
|
|
|
p := make([]byte, 512)
|
|
_, err = file.Read(p)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
i.Mimetype = http.DetectContentType(p)
|
|
i.Type = simplifyMediaType(i.Mimetype)
|
|
return nil
|
|
}
|
|
|
|
// Reads the file.
|
|
func (i *Info) Read() error {
|
|
var err error
|
|
i.Content, err = ioutil.ReadFile(i.Path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// StringifyContent returns the string version of Raw
|
|
func (i Info) StringifyContent() string {
|
|
return string(i.Content)
|
|
}
|
|
|
|
// HumanSize returns the size of the file as a human-readable string
|
|
// in IEC format (i.e. power of 2 or base 1024).
|
|
func (i Info) HumanSize() string {
|
|
return humanize.IBytes(uint64(i.Size()))
|
|
}
|
|
|
|
// HumanModTime returns the modified time of the file as a human-readable string.
|
|
func (i Info) HumanModTime(format string) string {
|
|
return i.ModTime().Format(format)
|
|
}
|
|
|
|
// CanBeEdited checks if the extension of a file is supported by the editor
|
|
func (i Info) CanBeEdited() bool {
|
|
if i.Type == "text" {
|
|
return true
|
|
}
|
|
|
|
extensions := [...]string{
|
|
"md", "markdown", "mdown", "mmark",
|
|
"asciidoc", "adoc", "ad",
|
|
"rst",
|
|
".json", ".toml", ".yaml",
|
|
".css", ".sass", ".scss",
|
|
".js",
|
|
".html",
|
|
".txt",
|
|
}
|
|
|
|
for _, extension := range extensions {
|
|
if strings.HasSuffix(i.Name(), extension) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func simplifyMediaType(name string) string {
|
|
if strings.HasPrefix(name, "video") {
|
|
return "video"
|
|
}
|
|
|
|
if strings.HasPrefix(name, "audio") {
|
|
return "audio"
|
|
}
|
|
|
|
if strings.HasPrefix(name, "image") {
|
|
return "image"
|
|
}
|
|
|
|
if strings.HasPrefix(name, "text") {
|
|
return "text"
|
|
}
|
|
|
|
if strings.HasPrefix(name, "application/javascript") {
|
|
return "text"
|
|
}
|
|
|
|
return "blob"
|
|
}
|