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package schema
import (
"io"
"net/http"
"os"
"strings"
)
type SchemaType int
const (
URL SchemaType = iota
File
Inline
type SchemaLoader struct {
loaders map[SchemaType]func(string) (string, error)
}
func NewSchemaLoader() *SchemaLoader {
return &SchemaLoader{
loaders: map[SchemaType]func(string) (string, error){
URL: loadFromURL,
File: loadFromFile,
Inline: loadInline,
},
func (s *SchemaLoader) LoadSchema(input string) (string, error) {
return s.loaders[determineSchemaType(input)](input)
func determineSchemaType(input string) SchemaType {
if isURL(input) {
return URL
} else if isFilePath(input) {
return File
} else {
return Inline
func isURL(input string) bool {
return strings.HasPrefix(input, "http://") || strings.HasPrefix(input, "https://")
func isFilePath(input string) bool {
_, err := os.Stat(input)
return err == nil
func loadFromURL(url string) (string, error) {
resp, err := http.Get(url)
if err != nil {
return "", err
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
return string(body), nil
func loadFromFile(path string) (string, error) {
content, err := os.ReadFile(path)
return string(content), nil
func loadInline(schema string) (string, error) {
return schema, nil
Permify /
permify
