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afe9d2cadd
Backport #18080 If http.Get() returns an error return nil and err before attempting to use the broken file. Thanks to walker xiong for spotting this bug. Signed-off-by: Andrew Thornton <art27@cantab.net>
44 lines
883 B
Go
44 lines
883 B
Go
// Copyright 2020 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package uri
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import (
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"strings"
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)
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// ErrURISchemeNotSupported represents a scheme error
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type ErrURISchemeNotSupported struct {
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Scheme string
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}
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func (e ErrURISchemeNotSupported) Error() string {
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return fmt.Sprintf("Unsupported scheme: %v", e.Scheme)
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}
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// Open open a local file or a remote file
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func Open(uriStr string) (io.ReadCloser, error) {
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u, err := url.Parse(uriStr)
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if err != nil {
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return nil, err
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}
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switch strings.ToLower(u.Scheme) {
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case "http", "https":
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f, err := http.Get(uriStr)
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if err != nil {
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return nil, err
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}
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return f.Body, nil
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case "file":
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return os.Open(u.Path)
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default:
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return nil, ErrURISchemeNotSupported{Scheme: u.Scheme}
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}
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}
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