mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2025-11-04 07:12:25 -06:00
66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package text
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import (
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"bytes"
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"context"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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"github.com/yuin/goldmark"
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"github.com/yuin/goldmark/extension"
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"github.com/yuin/goldmark/renderer/html"
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)
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func (f *formatter) FromMarkdown(ctx context.Context, pmf gtsmodel.ParseMentionFunc, authorID string, statusID string, markdownText string) *FormatResult {
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result := &FormatResult{
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Mentions: []*gtsmodel.Mention{},
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Tags: []*gtsmodel.Tag{},
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Emojis: []*gtsmodel.Emoji{},
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}
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// parse markdown text into html, using custom renderer to add hashtag/mention links
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md := goldmark.New(
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goldmark.WithRendererOptions(
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html.WithXHTML(),
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html.WithHardWraps(),
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html.WithUnsafe(), // allows raw HTML
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),
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goldmark.WithExtensions(
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&customRenderer{f, ctx, pmf, authorID, statusID, false, result},
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extension.Linkify, // turns URLs into links
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extension.Strikethrough,
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),
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)
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var htmlContentBytes bytes.Buffer
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err := md.Convert([]byte(markdownText), &htmlContentBytes)
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if err != nil {
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log.Errorf(ctx, "error formatting markdown to HTML: %s", err)
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}
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result.HTML = htmlContentBytes.String()
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// clean anything dangerous out of the HTML
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result.HTML = SanitizeToHTML(result.HTML)
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// shrink ray
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result.HTML = MinifyHTML(result.HTML)
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return result
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}
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