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8a20fba8eb
Remove unmaintainable sanitizer rules. No need to add special "class" regexp rules anymore, use RenderInternal.SafeAttr instead, more details (and examples) are in the tests
54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package asciicast
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import (
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"fmt"
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"io"
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"net/url"
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"code.gitea.io/gitea/modules/markup"
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"code.gitea.io/gitea/modules/setting"
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)
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func init() {
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markup.RegisterRenderer(Renderer{})
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}
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// Renderer implements markup.Renderer for asciicast files.
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// See https://github.com/asciinema/asciinema/blob/develop/doc/asciicast-v2.md
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type Renderer struct{}
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// Name implements markup.Renderer
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func (Renderer) Name() string {
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return "asciicast"
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}
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// Extensions implements markup.Renderer
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func (Renderer) Extensions() []string {
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return []string{".cast"}
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}
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const (
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playerClassName = "asciinema-player-container"
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playerSrcAttr = "data-asciinema-player-src"
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)
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// SanitizerRules implements markup.Renderer
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func (Renderer) SanitizerRules() []setting.MarkupSanitizerRule {
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return []setting.MarkupSanitizerRule{{Element: "div", AllowAttr: playerSrcAttr}}
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}
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// Render implements markup.Renderer
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func (Renderer) Render(ctx *markup.RenderContext, _ io.Reader, output io.Writer) error {
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rawURL := fmt.Sprintf("%s/%s/%s/raw/%s/%s",
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setting.AppSubURL,
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url.PathEscape(ctx.Metas["user"]),
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url.PathEscape(ctx.Metas["repo"]),
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ctx.Metas["BranchNameSubURL"],
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url.PathEscape(ctx.RelativePath),
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)
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return ctx.RenderInternal.FormatWithSafeAttrs(output, `<div class="%s" %s="%s"></div>`, playerClassName, playerSrcAttr, rawURL)
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}
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