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