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// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package uri
import (
"fmt"
"io"
"net/http"
"net/url"
"os"
"strings"
)
// ErrURISchemeNotSupported represents a scheme error
type ErrURISchemeNotSupported struct {
Scheme string
}
func (e ErrURISchemeNotSupported) Error() string {
return fmt.Sprintf("Unsupported scheme: %v", e.Scheme)
}
// Open open a local file or a remote file
func Open(uriStr string) (io.ReadCloser, error) {
u, err := url.Parse(uriStr)
if err != nil {
return nil, err
}
switch strings.ToLower(u.Scheme) {
case "http", "https":
f, err := http.Get(uriStr)
if err != nil {
return nil, err
}
return f.Body, nil
case "file":
return os.Open(u.Path)
default:
return nil, ErrURISchemeNotSupported{Scheme: u.Scheme}
}
}
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