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https://github.com/go-gitea/gitea.git
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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
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package console
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import (
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"bytes"
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"io"
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"path"
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"code.gitea.io/gitea/modules/markup"
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"code.gitea.io/gitea/modules/setting"
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trend "github.com/buildkite/terminal-to-html/v3"
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"github.com/go-enry/go-enry/v2"
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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
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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 "console"
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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{".sh-session"}
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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: "span", AllowAttr: "class", Regexp: `^term-((fg[ix]?|bg)\d+|container)$`},
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}
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}
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// CanRender implements markup.RendererContentDetector
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func (Renderer) CanRender(filename string, input io.Reader) bool {
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buf, err := io.ReadAll(input)
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if err != nil {
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return false
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}
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if enry.GetLanguage(path.Base(filename), buf) != enry.OtherLanguage {
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return false
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}
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return bytes.ContainsRune(buf, '\x1b')
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}
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// Render renders terminal colors to HTML with all specific handling stuff.
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func (Renderer) Render(ctx *markup.RenderContext, input io.Reader, output io.Writer) error {
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buf, err := io.ReadAll(input)
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if err != nil {
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return err
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}
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buf = []byte(trend.Render(buf))
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buf = bytes.ReplaceAll(buf, []byte("\n"), []byte(`<br>`))
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_, err = output.Write(buf)
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return err
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}
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