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Quick check for HTML in plain text

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M66B
2021-07-12 14:43:23 +02:00
parent 1cdd9b5cb1
commit 610c3bf94a
1 changed files with 13 additions and 0 deletions
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13
app/src/main/java/eu/faircode/email/MessageHelper.java
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@@ -1956,6 +1956,19 @@ public class MessageHelper {
if ("flowed".equalsIgnoreCase(h.contentType.getParameter("format")))
result = HtmlHelper.flow(result);
// https://www.w3.org/QA/2002/04/valid-dtd-list.html
final String DOCTYPE = "<!DOCTYPE";
if (result.length() > DOCTYPE.length()) {
String doctype = result.substring(0, DOCTYPE.length()).toUpperCase(Locale.ROOT);
if (doctype.startsWith(DOCTYPE)) {
String[] words = result.split("\\s+");
if (words.length > 1 &&
"HTML".equals(words[1].toUpperCase(Locale.ROOT)))
return result;
}
}
result = "<div x-plain=\"true\">" + HtmlHelper.formatPre(result) + "</div>";
} else if (h.isHtml()) {
// Conditionally upgrade to UTF8