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-rw-r--r--internal/text/common.go46
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diff --git a/internal/text/common.go b/internal/text/common.go
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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"
+)
+
+// 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 := SanitizeHTML(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
+}