mirror of
https://github.com/go-gitea/gitea
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57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
// Copyright 2024 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package markup
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import (
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"context"
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"strings"
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"code.gitea.io/gitea/modules/httplib"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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)
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func resolveLinkRelative(ctx context.Context, base, cur, link string, absolute bool) (finalLink string) {
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if IsFullURLString(link) {
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return link
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}
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if strings.HasPrefix(link, "/") {
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if strings.HasPrefix(link, base) && strings.Count(base, "/") >= 4 {
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// a trick to tolerate that some users were using absolute paths (the old gitea's behavior)
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finalLink = link
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} else {
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finalLink = util.URLJoin(base, "./", link)
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}
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} else {
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finalLink = util.URLJoin(base, "./", cur, link)
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}
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finalLink = strings.TrimSuffix(finalLink, "/")
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if absolute {
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finalLink = httplib.MakeAbsoluteURL(ctx, finalLink)
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}
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return finalLink
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}
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func (ctx *RenderContext) ResolveLinkRelative(base, cur, link string) string {
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if strings.HasPrefix(link, "/:") {
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setting.PanicInDevOrTesting("invalid link %q, forgot to cut?", link)
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}
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return resolveLinkRelative(ctx, base, cur, link, ctx.RenderOptions.UseAbsoluteLink)
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}
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func (ctx *RenderContext) ResolveLinkRoot(link string) string {
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return ctx.ResolveLinkRelative(setting.AppSubURL+"/", "", link)
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}
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func ParseRenderedLink(s, preferLinkType string) (linkType, link string) {
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if strings.HasPrefix(s, "/:") {
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p := strings.IndexByte(s[1:], '/')
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if p == -1 {
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return s, ""
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}
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return s[:p+1], s[p+2:]
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}
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return preferLinkType, s
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}
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