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b71cb7acdc
Follow #23290 Network error won't make content lost. And this is a much better approach than "loading-button". The UI is not perfect and there are still some TODOs, they can be done in following PRs, not a must in this PR's scope. <details> ![image](https://github.com/go-gitea/gitea/assets/2114189/c94ba958-aa46-4747-8ddf-6584deeed25c) </details>
27 lines
819 B
Go
27 lines
819 B
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package httplib
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import (
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"net/url"
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"strings"
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"code.gitea.io/gitea/modules/setting"
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)
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// IsRiskyRedirectURL returns true if the URL is considered risky for redirects
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func IsRiskyRedirectURL(s string) bool {
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// Unfortunately browsers consider a redirect Location with preceding "//", "\\", "/\" and "\/" as meaning redirect to "http(s)://REST_OF_PATH"
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// Therefore we should ignore these redirect locations to prevent open redirects
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if len(s) > 1 && (s[0] == '/' || s[0] == '\\') && (s[1] == '/' || s[1] == '\\') {
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return true
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}
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u, err := url.Parse(s)
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if err != nil || ((u.Scheme != "" || u.Host != "") && !strings.HasPrefix(strings.ToLower(s), strings.ToLower(setting.AppURL))) {
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return true
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}
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return false
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}
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