httplib: Move httplib/serve/data to ../serve/http/data

cmd/serve/http/data/data.go

@@ -0,0 +1,94 @@
+//go:generate go run assets_generate.go
+// The "go:generate" directive compiles static assets by running assets_generate.go
+
+package data
+
+import (
+	"html/template"
+	"io/ioutil"
+	"time"
+
+	"github.com/pkg/errors"
+	"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 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, errors.Wrap(err, "get template open")
+		}
+
+		defer fs.CheckClose(templateFile, &err)
+
+		templateBytes, err := ioutil.ReadAll(templateFile)
+		if err != nil {
+			return nil, errors.Wrap(err, "get template read")
+		}
+
+		templateString = string(templateBytes)
+
+	} else {
+		templateFile, err := ioutil.ReadFile(tmpl)
+		if err != nil {
+			return nil, errors.Wrap(err, "get template open")
+		}
+
+		templateString = string(templateFile)
+	}
+
+	funcMap := template.FuncMap{
+		"afterEpoch": AfterEpoch,
+	}
+	tpl, err = template.New("index").Funcs(funcMap).Parse(templateString)
+	if err != nil {
+		return nil, errors.Wrap(err, "get template parse")
+	}
+
+	return
+}