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64 lines
1.5 KiB
64 lines
1.5 KiB
// 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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"regexp"
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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{
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{Element: "div", AllowAttr: "class", Regexp: regexp.MustCompile(playerClassName)},
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{Element: "div", AllowAttr: playerSrcAttr},
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}
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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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_, err := io.WriteString(output, fmt.Sprintf(
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`<div class="%s" %s="%s"></div>`,
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playerClassName,
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playerSrcAttr,
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rawURL,
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))
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return err
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}
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