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// Copyright 2017 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package util
import (
"net/url"
"strings"
)
// urlSafeError wraps an error whose message may contain a sensitive URL
type urlSafeError struct {
err error
unsanitizedURL string
}
func (err urlSafeError) Error() string {
return SanitizeMessage(err.err.Error(), err.unsanitizedURL)
}
// URLSanitizedError returns the sanitized version an error whose message may
// contain a sensitive URL
func URLSanitizedError(err error, unsanitizedURL string) error {
return urlSafeError{err: err, unsanitizedURL: unsanitizedURL}
}
// SanitizeMessage sanitizes a message which may contains a sensitive URL
func SanitizeMessage(message, unsanitizedURL string) string {
sanitizedURL := SanitizeURLCredentials(unsanitizedURL, true)
return strings.Replace(message, unsanitizedURL, sanitizedURL, -1)
}
// SanitizeURLCredentials sanitizes a url, either removing user credentials
// or replacing them with a placeholder.
func SanitizeURLCredentials(unsanitizedURL string, usePlaceholder bool) string {
u, err := url.Parse(unsanitizedURL)
if err != nil {
// don't log the error, since it might contain unsanitized URL.
return "(unparsable url)"
}
if u.User != nil && usePlaceholder {
u.User = url.User("<credentials>")
} else {
u.User = nil
}
return u.String()
}
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