package setup
import (
"fmt"
"html/template"
"io/ioutil"
"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,
}
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 = `
{{.Name}}
{{if .CanGoUp}}
⬑
{{else}}
{{end}}
{{.Path}}
{{if and (eq .Sort "name") (ne .Order "desc")}}
Name ▲
{{else if and (eq .Sort "name") (ne .Order "asc")}}
Name ▼
{{else}}
Name
{{end}}
|
{{if and (eq .Sort "size") (ne .Order "desc")}}
Size ▲
{{else if and (eq .Sort "size") (ne .Order "asc")}}
Size ▼
{{else}}
Size
{{end}}
|
{{if and (eq .Sort "time") (ne .Order "desc")}}
Modified ▲
{{else if and (eq .Sort "time") (ne .Order "asc")}}
Modified ▼
{{else}}
Modified
{{end}}
|
{{range .Items}}
{{if .IsDir}}📂{{else}}📄{{end}}
{{.Name}}
|
{{.HumanSize}} |
{{.HumanModTime "01/02/2006 3:04:05 PM -0700"}} |
{{end}}
`