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gita/routers/common/redirect.go
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chore: initialize Gitea v1.27.2 fork
Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5
2026-08-15 22:56:18 +08:00

28 lines
1.2 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package common
import (
"net/http"
"gitea.dev/modules/httplib"
)
// FetchRedirectDelegate helps the "fetch" requests to redirect to the correct location
func FetchRedirectDelegate(resp http.ResponseWriter, req *http.Request) {
// When use "fetch" to post requests and the response is a redirect, browser's "location.href = uri" has limitations.
// 1. change "location" from old "/foo" to new "/foo#hash", the browser will not reload the page.
// 2. when use "window.reload()", the hash is not respected, the newly loaded page won't scroll to the hash target.
// The typical page is "issue comment" page. The backend responds "/owner/repo/issues/1#comment-2",
// then frontend needs this delegate to redirect to the new location with hash correctly.
redirect := req.FormValue("redirect")
if req.Method != http.MethodPost || !httplib.IsCurrentGiteaSiteURL(req.Context(), redirect) {
http.Error(resp, "Bad Request", http.StatusBadRequest)
return
}
// no OpenRedirect, the "redirect" is validated by "IsCurrentGiteaSiteURL" above
resp.Header().Set("Location", redirect)
resp.WriteHeader(http.StatusSeeOther)
}