mirror of https://github.com/go-gitea/gitea.git
66 lines
1.6 KiB
Go
66 lines
1.6 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/filepath"
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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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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: regexp.MustCompile(`^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(filepath.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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