package setup
import (
"fmt"
"io/ioutil"
"text/template"
"github.com/mholt/caddy/middleware"
"github.com/mholt/caddy/middleware/browse"
)
// Browse configures a new Browse middleware instance.
func Browse(c *Controller) (middleware.Middleware, error) {
configs, err := browseParse(c)
if err != nil {
return nil, err
}
browse := browse.Browse{
Root: c.Root,
Configs: configs,
IgnoreIndexes: false,
}
return func(next middleware.Handler) middleware.Handler {
browse.Next = next
return browse
}, nil
}
func browseParse(c *Controller) ([]browse.Config, error) {
var configs []browse.Config
appendCfg := func(bc browse.Config) error {
for _, c := range configs {
if c.PathScope == bc.PathScope {
return fmt.Errorf("duplicate browsing config for %s", c.PathScope)
}
}
configs = append(configs, bc)
return nil
}
for c.Next() {
var bc browse.Config
// First argument is directory to allow browsing; default is site root
if c.NextArg() {
bc.PathScope = c.Val()
} else {
bc.PathScope = "/"
}
// 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 {
tplText = defaultTemplate
}
// Build the template
tpl, err := template.New("listing").Parse(tplText)
if err != nil {
return configs, err
}
bc.Template = tpl
// Save configuration
err = appendCfg(bc)
if err != nil {
return configs, err
}
}
return configs, nil
}
// The default template to use when serving up directory listings
const defaultTemplate = `<!DOCTYPE html>
<html>
<head>
<title>{{.Name}}</title>
<meta charset="utf-8">
<style>
* { padding: 0; margin: 0; }
body {
padding: 1% 2%;
font: 16px Arial;
}
header {
font-size: 45px;
padding: 25px;
}
header a {
text-decoration: none;
color: inherit;
}
header .up {
display: inline-block;
height: 50px;
width: 50px;
text-align: center;
margin-right: 20px;
}
header a.up:hover {
background: #000;
color: #FFF;
}
h1 {
font-size: 30px;
display: inline;
}
table {
border: 0;
border-collapse: collapse;
max-width: 750px;
margin: 0 auto;
}
th,
td {
padding: 4px 20px;
vertical-align: middle;
line-height: 1.5em; /* emoji are kind of odd heights */
}
th {
text-align: left;
}
th a {
color: #000;
text-decoration: none;
}
@media (max-width: 700px) {
.hideable {
display: none;
}
body {
padding: 0;
}
header,
header h1 {
font-size: 16px;
}
header {
position: fixed;
top: 0;
width: 100%;
background: #333;
color: #FFF;
padding: 15px;
text-align: center;
}
header .up {
height: auto;
width: auto;
display: none;
}
header a.up {
display: inline-block;
position: absolute;
left: 0;
top: 0;
width: 40px;
height: 48px;
font-size: 35px;
}
header h1 {
font-weight: normal;
}
main {
margin-top: 70px;
}
}
.name {
white-space: pre;
}
</style>
</head>
<body>
<header>
{{if .CanGoUp}}
<a href=".." class="up" title="Up one level">⬑</a>
{{else}}
<div class="up"> </div>
{{end}}
<h1>{{.Path}}</h1>
</header>
<main>
<table>
<tr>
<th>
{{if and (eq .Sort "name") (ne .Order "desc")}}
<a href="?sort=name&order=desc">Name ▲</a>
{{else if and (eq .Sort "name") (ne .Order "asc")}}
<a href="?sort=name&order=asc">Name ▼</a>
{{else}}
<a href="?sort=name&order=asc">Name</a>
{{end}}
</th>
<th>
{{if and (eq .Sort "size") (ne .Order "desc")}}
<a href="?sort=size&order=desc">Size ▲</a>
{{else if and (eq .Sort "size") (ne .Order "asc")}}
<a href="?sort=size&order=asc">Size ▼</a>
{{else}}
<a href="?sort=size&order=asc">Size</a>
{{end}}
</th>
<th class="hideable">
{{if and (eq .Sort "time") (ne .Order "desc")}}
<a href="?sort=time&order=desc">Modified ▲</a>
{{else if and (eq .Sort "time") (ne .Order "asc")}}
<a href="?sort=time&order=asc">Modified ▼</a>
{{else}}
<a href="?sort=time&order=asc">Modified</a>
{{end}}
</th>
</tr>
{{range .Items}}
<tr>
<td>
{{if .IsDir}}📂{{else}}📄{{end}}
<a href="{{.URL}}" class="name">{{.Name}}</a>
</td>
<td>{{.HumanSize}}</td>
<td class="hideable">{{.HumanModTime "01/02/2006 3:04:05 PM -0700"}}</td>
</tr>
{{end}}
</table>
</main>
</body>
</html>`