roulette/types/text.go

75 lines
1.4 KiB
Go

/*
Copyright © 2023 Seednode <seednode@seedno.de>
*/
package types
import (
"errors"
"fmt"
"os"
"strings"
"unicode/utf8"
)
func RegisterText() *Type {
return &Type{
Css: func() string {
var css strings.Builder
css.WriteString(`html,body{margin:0;padding:0;height:100%;}`)
css.WriteString(`a{color:inherit;display:block;height:100%;width:100%;text-decoration:none;}`)
css.WriteString(`pre{margin:.5rem;}`)
return css.String()
},
Title: func(queryParams, fileUri, filePath, fileName, mime string) string {
return fmt.Sprintf(`<title>%s</title>`, fileName)
},
Body: func(queryParams, fileUri, filePath, fileName, mime string) string {
body, err := os.ReadFile(filePath)
if err != nil {
body = []byte{}
}
return fmt.Sprintf(`<a href="/%s"><pre>%s</pre></a>`,
queryParams,
body)
},
Extensions: []string{
`.css`,
`.csv`,
`.html`,
`.js`,
`.json`,
`.md`,
`.txt`,
`.xml`,
},
MimeTypes: []string{
`application/json`,
`application/xml`,
`text/css`,
`text/csv`,
`text/javascript`,
`text/plain`,
`text/plain; charset=utf-8`,
},
Validate: func(path string) bool {
file, err := os.Open(path)
switch {
case errors.Is(err, os.ErrNotExist):
return false
case err != nil:
return false
}
defer file.Close()
head := make([]byte, 512)
file.Read(head)
return utf8.Valid(head)
},
}
}