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filebrowser
mirror of https://github.com/filebrowser/filebrowser
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some updates

pull/144/head
Henrique Dias 2016-06-10 20:54:19 +01:00
parent 0146f4324f
commit 4efb4f2a53
7 changed files with 253 additions and 281 deletions
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10
README.md
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@ -2,3 +2,13 @@
[![community](https://img.shields.io/badge/community-forum-ff69b4.svg?style=flat-square)](https://forum.caddyserver.com)
[![Documentation](https://img.shields.io/badge/godoc-reference-blue.svg?style=flat-square)](http://godoc.org/github.com/hacdias/caddy-filemanager)
This is just a concept of syntax:
```
filemanager {
show path
on url
styles filepath
}
```

95
assets/assets.go
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File diff suppressed because one or more lines are too long

2
assets/source/template.tmpl
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@ -6,7 +6,7 @@
<link rel="stylesheet" href="/_filemanager_internal/styles.css">
<style>
{{ .StyleSheet }}
</style>
</head>
<body>

29
fileinfo.go Normal file
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@ -0,0 +1,29 @@
package filemanager
import (
"os"
"time"
"github.com/dustin/go-humanize"
)
// FileInfo is the info about a particular file or directory
type FileInfo struct {
IsDir bool
Name string
Size int64
URL string
ModTime time.Time
Mode os.FileMode
}
// HumanSize returns the size of the file as a human-readable string
// in IEC format (i.e. power of 2 or base 1024).
func (fi FileInfo) HumanSize() string {
return humanize.IBytes(uint64(fi.Size))
}
// HumanModTime returns the modified time of the file as a human-readable string.
func (fi FileInfo) HumanModTime(format string) string {
return fi.ModTime.Format(format)
}

137
filemanager.go
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@ -1,6 +1,6 @@
//go:generate go get github.com/jteeuwen/go-bindata
//go:generate go install github.com/jteeuwen/go-bindata/go-bindata
//go:generate go-bindata -pkg assets -prefix "assets/source" -o assets/assets.go assets/source/...
//go:generate go-bindata -debug -pkg assets -prefix "assets/source" -o assets/assets.go assets/source/...
// Package filemanager provides middleware for managing files in a directory
// when directory path is requested instead of a specific file. Based on browse
@ -10,22 +10,20 @@ package filemanager
import (
"bytes"
"encoding/json"
"mime"
"net/http"
"net/url"
"os"
"path"
"path/filepath"
"strings"
"text/template"
"time"
"github.com/dustin/go-humanize"
"github.com/hacdias/caddy-filemanager/assets"
"github.com/mholt/caddy/caddyhttp/httpserver"
"github.com/mholt/caddy/caddyhttp/staticfiles"
)
// Template used to show FileManager
var Template *template.Template
// FileManager is an http.Handler that can show a file listing when
// directories in the given paths are specified.
type FileManager struct {
@ -38,92 +36,9 @@ type FileManager struct {
type Config struct {
PathScope string
Root http.FileSystem
BaseURL string
StyleSheet string
Variables interface{}
Template *template.Template
}
// A Listing is the context used to fill out a template.
type Listing struct {
// The name of the directory (the last element of the path)
Name string
// The full path of the request
Path string
// Whether the parent directory is browsable
CanGoUp bool
// The items (files and folders) in the path
Items []FileInfo
// The number of directories in the listing
NumDirs int
// The number of files (items that aren't directories) in the listing
NumFiles int
// Which sorting order is used
Sort string
// And which order
Order string
// If ≠0 then Items have been limited to that many elements
ItemsLimitedTo int
// Optional custom variables for use in browse templates
User interface{}
httpserver.Context
}
// BreadcrumbMap returns l.Path where every element is a map
// of URLs and path segment names.
func (l Listing) BreadcrumbMap() map[string]string {
result := map[string]string{}
if len(l.Path) == 0 {
return result
}
// skip trailing slash
lpath := l.Path
if lpath[len(lpath)-1] == '/' {
lpath = lpath[:len(lpath)-1]
}
parts := strings.Split(lpath, "/")
for i, part := range parts {
if i == 0 && part == "" {
// Leading slash (root)
result["/"] = "/"
continue
}
result[strings.Join(parts[:i+1], "/")] = part
}
return result
}
// FileInfo is the info about a particular file or directory
type FileInfo struct {
IsDir bool
Name string
Size int64
URL string
ModTime time.Time
Mode os.FileMode
}
// HumanSize returns the size of the file as a human-readable string
// in IEC format (i.e. power of 2 or base 1024).
func (fi FileInfo) HumanSize() string {
return humanize.IBytes(uint64(fi.Size))
}
// HumanModTime returns the modified time of the file as a human-readable string.
func (fi FileInfo) HumanModTime(format string) string {
return fi.ModTime.Format(format)
}
func directoryListing(files []os.FileInfo, canGoUp bool, urlPath string) (Listing, bool) {
@ -175,19 +90,14 @@ func directoryListing(files []os.FileInfo, canGoUp bool, urlPath string) (Listin
// ServeHTTP determines if the request is for this plugin, and if all prerequisites are met.
// If so, control is handed over to ServeListing.
func (f FileManager) ServeHTTP(w http.ResponseWriter, r *http.Request) (int, error) {
var bc *Config
var fmc *Config
// See if there's a browse configuration to match the path
for i := range f.Configs {
if httpserver.Path(r.URL.Path).Matches(f.Configs[i].PathScope) {
bc = &f.Configs[i]
goto inScope
}
}
return f.Next.ServeHTTP(w, r)
inScope:
if httpserver.Path(r.URL.Path).Matches(f.Configs[i].BaseURL) {
fmc = &f.Configs[i]
// Browse works on existing directories; delegate everything else
requestedFilepath, err := bc.Root.Open(r.URL.Path)
requestedFilepath, err := fmc.Root.Open(strings.Replace(r.URL.Path, fmc.BaseURL, "", 1))
if err != nil {
switch {
case os.IsPermission(err):
@ -232,7 +142,10 @@ inScope:
return 0, nil
}
return f.ServeListing(w, r, requestedFilepath, bc)
return f.ServeListing(w, r, requestedFilepath, fmc)
}
}
return f.Next.ServeHTTP(w, r)
}
func (f FileManager) loadDirectoryContents(requestedFilepath http.File, urlPath string) (*Listing, bool, error) {
@ -316,26 +229,6 @@ func (f FileManager) ServeListing(w http.ResponseWriter, r *http.Request, reques
return http.StatusOK, nil
}
// serveAssets handles the /{admin}/assets requests
func serveAssets(w http.ResponseWriter, r *http.Request) (int, error) {
filename := strings.Replace(r.URL.Path, assetsURL, "", 1)
file, err := assets.Asset(filename)
if err != nil {
return 404, nil
}
// Get the file extension ant its mime type
extension := filepath.Ext(filename)
mime := mime.TypeByExtension(extension)
// Write the header with the Content-Type and write the file
// content to the buffer
w.Header().Set("Content-Type", mime)
w.Write(file)
return 200, nil
}
func (f FileManager) formatAsJSON(listing *Listing, bc *Config) (*bytes.Buffer, error) {
marsh, err := json.Marshal(listing.Items)
if err != nil {
@ -349,6 +242,6 @@ func (f FileManager) formatAsJSON(listing *Listing, bc *Config) (*bytes.Buffer,
func (f FileManager) formatAsHTML(listing *Listing, bc *Config) (*bytes.Buffer, error) {
buf := new(bytes.Buffer)
err := bc.Template.Execute(buf, listing)
err := Template.Execute(buf, listing)
return buf, err
}

73
listing.go Normal file
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@ -0,0 +1,73 @@
package filemanager
import (
"strings"
"github.com/mholt/caddy/caddyhttp/httpserver"
)
// A Listing is the context used to fill out a template.
type Listing struct {
// The name of the directory (the last element of the path)
Name string
// The full path of the request
Path string
// Whether the parent directory is browsable
CanGoUp bool
// The items (files and folders) in the path
Items []FileInfo
// The number of directories in the listing
NumDirs int
// The number of files (items that aren't directories) in the listing
NumFiles int
// Which sorting order is used
Sort string
// And which order
Order string
// If ≠0 then Items have been limited to that many elements
ItemsLimitedTo int
// Optional custom variables for use in browse templates
User interface{}
// StyleSheet to costumize the page
StyleSheet string
httpserver.Context
}
// BreadcrumbMap returns l.Path where every element is a map
// of URLs and path segment names.
func (l Listing) BreadcrumbMap() map[string]string {
result := map[string]string{}
if len(l.Path) == 0 {
return result
}
// skip trailing slash
lpath := l.Path
if lpath[len(lpath)-1] == '/' {
lpath = lpath[:len(lpath)-1]
}
parts := strings.Split(lpath, "/")
for i, part := range parts {
if i == 0 && part == "" {
// Leading slash (root)
result["/"] = "/"
continue
}
result[strings.Join(parts[:i+1], "/")] = part
}
return result
}

98
setup.go
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@ -22,6 +22,20 @@ func init() {
// setup configures a new Browse middleware instance.
func setup(c *caddy.Controller) error {
// Second argument would be the template file to use
tplBytes, err := assets.Asset("template.tmpl")
if err != nil {
return err
}
tplText := string(tplBytes)
// Build the template
tpl, err := template.New("listing").Parse(tplText)
if err != nil {
return err
}
Template = tpl
configs, err := fileManagerParse(c)
if err != nil {
return err
@ -43,65 +57,63 @@ func setup(c *caddy.Controller) error {
func fileManagerParse(c *caddy.Controller) ([]Config, error) {
var configs []Config
cfg := httpserver.GetConfig(c.Key)
appendCfg := func(bc Config) error {
appendCfg := func(fmc Config) error {
for _, c := range configs {
if c.PathScope == bc.PathScope {
return fmt.Errorf("duplicate browsing config for %s", c.PathScope)
if c.PathScope == fmc.PathScope {
return fmt.Errorf("duplicate file managing config for %s", c.PathScope)
}
}
configs = append(configs, bc)
configs = append(configs, fmc)
return nil
}
for c.Next() {
var bc Config
var fmc = Config{
PathScope: ".",
BaseURL: "/",
StyleSheet: "",
}
var styles string
// First argument is directory to allow browsing; default is site root
if c.NextArg() {
bc.PathScope = c.Val()
for c.NextBlock() {
switch c.Val() {
case "show":
if !c.NextArg() {
return configs, c.ArgErr()
}
fmc.PathScope = c.Val()
case "on":
if !c.NextArg() {
return configs, c.ArgErr()
}
fmc.BaseURL = c.Val()
case "styles":
if !c.NextArg() {
return configs, c.ArgErr()
}
styles = c.Val()
}
}
// Get StyleSheet
if styles != "" {
tplBytes, err := ioutil.ReadFile(c.Val())
if err != nil {
return configs, err
}
fmc.StyleSheet = string(tplBytes)
} else {
bc.PathScope = "/"
}
bc.Root = http.Dir(cfg.Root)
theRoot, err := bc.Root.Open("/") // catch a missing path early
tplBytes, err := assets.Asset("template.tmpl")
if err != nil {
return configs, err
}
defer theRoot.Close()
_, err = theRoot.Readdir(-1)
if err != nil {
return configs, err
fmc.StyleSheet = string(tplBytes)
}
var tplBytes []byte
// Second argument would be the template file to use
var tplText string
if c.NextArg() {
tplBytes, err = ioutil.ReadFile(c.Val())
if err != nil {
return configs, err
}
tplText = string(tplBytes)
} else {
tplBytes, err = assets.Asset(assetsURL + "template.tmpl")
if err != nil {
return configs, err
}
tplText = string(tplBytes)
}
// Build the template
tpl, err := template.New("listing").Parse(tplText)
if err != nil {
return configs, err
}
bc.Template = tpl
fmc.Root = http.Dir(fmc.PathScope)
// Save configuration
err = appendCfg(bc)
err := appendCfg(fmc)
if err != nil {
return configs, err
}