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// Package data provides common functionality for http servers
// The "go:generate" directive compiles static assets by running assets_generate.go
//
//go:generate go run assets_generate.go
package data
import (
"fmt"
"html/template"
"io/ioutil"
"time"
"github.com/spf13/pflag"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/config/flags"
)
// Help describes the options for the serve package
var Help = `
#### Template
` + "`--template`" + ` allows a user to specify a custom markup template for HTTP
and WebDAV serve functions. The server exports the following markup
to be used within the template to server pages:
| Parameter | Description |
| :---------- | :---------- |
| .Name | The full path of a file/directory. |
| .Title | Directory listing of .Name |
| .Sort | The current sort used. This is changeable via ?sort= parameter |
| | Sort Options: namedirfirst,name,size,time (default namedirfirst) |
| .Order | The current ordering used. This is changeable via ?order= parameter |
| | Order Options: asc,desc (default asc) |
| .Query | Currently unused. |
| .Breadcrumb | Allows for creating a relative navigation |
|-- .Link | The relative to the root link of the Text. |
|-- .Text | The Name of the directory. |
| .Entries | Information about a specific file/directory. |
|-- .URL | The 'url' of an entry. |
|-- .Leaf | Currently same as 'URL' but intended to be 'just' the name. |
|-- .IsDir | Boolean for if an entry is a directory or not. |
|-- .Size | Size in Bytes of the entry. |
|-- .ModTime | The UTC timestamp of an entry. |
`
// Options for the templating functionality
type Options struct {
Template string
}
// AddFlags for the templating functionality
func AddFlags(flagSet *pflag.FlagSet, prefix string, Opt *Options) {
flags.StringVarP(flagSet, &Opt.Template, prefix+"template", "", Opt.Template, "User-specified template")
}
// AfterEpoch returns the time since the epoch for the given time
func AfterEpoch(t time.Time) bool {
return t.After(time.Time{})
}
// GetTemplate returns the HTML template for serving directories via HTTP/WebDAV
func GetTemplate(tmpl string) (tpl *template.Template, err error) {
var templateString string
if tmpl == "" {
templateFile, err := Assets.Open("index.html")
if err != nil {
return nil, fmt.Errorf("get template open: %w", err)
}
defer fs.CheckClose(templateFile, &err)
templateBytes, err := ioutil.ReadAll(templateFile)
if err != nil {
return nil, fmt.Errorf("get template read: %w", err)
}
templateString = string(templateBytes)
} else {
templateFile, err := ioutil.ReadFile(tmpl)
if err != nil {
return nil, fmt.Errorf("get template open: %w", err)
}
templateString = string(templateFile)
}
funcMap := template.FuncMap{
"afterEpoch": AfterEpoch,
}
tpl, err = template.New("index").Funcs(funcMap).Parse(templateString)
if err != nil {
return nil, fmt.Errorf("get template parse: %w", err)
}
return
}
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