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62 lines
2.1 KiB
62 lines
2.1 KiB
// Copyright 2021 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 util
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import (
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"net/url"
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"strings"
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)
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const userPlaceholder = "sanitized-credential"
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const unparsableURL = "(unparsable url)"
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type sanitizedError struct {
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err error
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replacer *strings.Replacer
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}
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func (err sanitizedError) Error() string {
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return err.replacer.Replace(err.err.Error())
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}
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// NewSanitizedError wraps an error and replaces all old, new string pairs in the message text.
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func NewSanitizedError(err error, oldnew ...string) error {
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return sanitizedError{err: err, replacer: strings.NewReplacer(oldnew...)}
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}
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// NewURLSanitizedError wraps an error and replaces the url credential or removes them.
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func NewURLSanitizedError(err error, u *url.URL, usePlaceholder bool) error {
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return sanitizedError{err: err, replacer: NewURLSanitizer(u, usePlaceholder)}
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}
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// NewStringURLSanitizedError wraps an error and replaces the url credential or removes them.
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// If the url can't get parsed it gets replaced with a placeholder string.
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func NewStringURLSanitizedError(err error, unsanitizedURL string, usePlaceholder bool) error {
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return sanitizedError{err: err, replacer: NewStringURLSanitizer(unsanitizedURL, usePlaceholder)}
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}
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// NewURLSanitizer creates a replacer for the url with the credential sanitized or removed.
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func NewURLSanitizer(u *url.URL, usePlaceholder bool) *strings.Replacer {
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old := u.String()
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if u.User != nil && usePlaceholder {
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u.User = url.User(userPlaceholder)
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} else {
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u.User = nil
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}
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return strings.NewReplacer(old, u.String())
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}
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// NewStringURLSanitizer creates a replacer for the url with the credential sanitized or removed.
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// If the url can't get parsed it gets replaced with a placeholder string
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func NewStringURLSanitizer(unsanitizedURL string, usePlaceholder bool) *strings.Replacer {
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u, err := url.Parse(unsanitizedURL)
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if err != nil {
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// don't log the error, since it might contain unsanitized URL.
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return strings.NewReplacer(unsanitizedURL, unparsableURL)
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}
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return NewURLSanitizer(u, usePlaceholder)
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}
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