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/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package text
import (
"fmt"
"strings"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// preformat contains some common logic for making a string ready for formatting, which should be used for all user-input text.
func preformat(in string) string {
// do some preformatting of the text
// 1. Trim all the whitespace
s := strings.TrimSpace(in)
return s
}
// postformat contains some common logic for html sanitization of text, wrapping elements, and trimming newlines and whitespace
func postformat(in string) string {
// do some postformatting of the text
// 1. sanitize html to remove any dodgy scripts or other disallowed elements
s := SanitizeOutgoing(in)
// 2. wrap the whole thing in a paragraph
s = fmt.Sprintf(`<p>%s</p>`, s)
// 3. remove any cheeky newlines
s = strings.ReplaceAll(s, "\n", "")
// 4. remove any whitespace added as a result of the formatting
s = strings.TrimSpace(s)
return s
}
func (f *formatter) ReplaceTags(in string, tags []*gtsmodel.Tag) string {
return util.HashtagFinderRegex.ReplaceAllStringFunc(in, func(match string) string {
for _, tag := range tags {
if strings.TrimSpace(match) == fmt.Sprintf("#%s", tag.Name) {
tagContent := fmt.Sprintf(`<a href="%s" class="mention hashtag" rel="tag">#<span>%s</span></a>`, tag.URL, tag.Name)
if strings.HasPrefix(match, " ") {
tagContent = " " + tagContent
}
return tagContent
}
}
return in
})
}
func (f *formatter) ReplaceMentions(in string, mentions []*gtsmodel.Mention) string {
for _, menchie := range mentions {
targetAccount := >smodel.Account{}
if err := f.db.GetByID(menchie.TargetAccountID, targetAccount); err == nil {
mentionContent := fmt.Sprintf(`<span class="h-card"><a href="%s" class="u-url mention">@<span>%s</span></a></span>`, targetAccount.URL, targetAccount.Username)
in = strings.ReplaceAll(in, menchie.NameString, mentionContent)
}
}
return in
}
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