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e286457990
**Backport:** https://codeberg.org/forgejo/forgejo/pulls/7337 - Massive replacement of changing `code.gitea.io/gitea` to `forgejo.org`. - Resolves forgejo/discussions#258 Co-authored-by: Gusted <postmaster@gusted.xyz> Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7354 Reviewed-by: Gusted <gusted@noreply.codeberg.org> Co-authored-by: forgejo-backport-action <forgejo-backport-action@noreply.codeberg.org> Co-committed-by: forgejo-backport-action <forgejo-backport-action@noreply.codeberg.org>
58 lines
2.1 KiB
Go
58 lines
2.1 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:generate go run invisible/generate.go -v -o ./invisible_gen.go
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//go:generate go run ambiguous/generate.go -v -o ./ambiguous_gen.go ambiguous/ambiguous.json
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package charset
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import (
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"html/template"
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"io"
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"slices"
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"strings"
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"forgejo.org/modules/log"
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"forgejo.org/modules/setting"
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"forgejo.org/modules/translation"
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)
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// RuneNBSP is the codepoint for NBSP
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const RuneNBSP = 0xa0
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type escapeContext string
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// Keep this consistent with the documentation of [ui].SKIP_ESCAPE_CONTEXTS
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// Defines the different contexts that could be used to escape in.
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const (
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// Wiki pages.
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WikiContext escapeContext = "wiki"
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// Rendered content (except markup), source code and blames.
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FileviewContext escapeContext = "file-view"
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// Commits or pull requet's diff.
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DiffContext escapeContext = "diff"
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)
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// EscapeControlHTML escapes the unicode control sequences in a provided html document
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func EscapeControlHTML(html template.HTML, locale translation.Locale, context escapeContext, allowed ...rune) (escaped *EscapeStatus, output template.HTML) {
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sb := &strings.Builder{}
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escaped, _ = EscapeControlReader(strings.NewReader(string(html)), sb, locale, context, allowed...) // err has been handled in EscapeControlReader
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return escaped, template.HTML(sb.String())
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}
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// EscapeControlReader escapes the unicode control sequences in a provided reader of HTML content and writer in a locale and returns the findings as an EscapeStatus
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func EscapeControlReader(reader io.Reader, writer io.Writer, locale translation.Locale, context escapeContext, allowed ...rune) (escaped *EscapeStatus, err error) {
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if !setting.UI.AmbiguousUnicodeDetection || slices.Contains(setting.UI.SkipEscapeContexts, string(context)) {
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_, err = io.Copy(writer, reader)
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return &EscapeStatus{}, err
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}
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outputStream := &HTMLStreamerWriter{Writer: writer}
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streamer := NewEscapeStreamer(locale, outputStream, allowed...).(*escapeStreamer)
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if err = StreamHTML(reader, streamer); err != nil {
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streamer.escaped.HasError = true
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log.Error("Error whilst escaping: %v", err)
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}
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return streamer.escaped, err
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}
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