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Fixed edge case decode MIME word

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M66B
2019-06-24 09:59:44 +02:00
parent 8c0e81d6df
commit 1141cf735f
1 changed files with 12 additions and 1 deletions
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13
app/src/main/java/eu/faircode/email/MessageHelper.java
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@@ -717,13 +717,24 @@ public class MessageHelper {
if (text == null)
return null;
// https://tools.ietf.org/html/rfc2047
// encoded-word = "=?" charset "?" encoding "?" encoded-text "?="
int i = 0;
while (i < text.length()) {
int s = text.indexOf("=?", i);
if (s < 0)
break;
int e = text.indexOf("?=", s + 2);
int q1 = text.indexOf("?", s + 2);
if (q1 < 0)
break;
int q2 = text.indexOf("?", q1 + 1);
if (q2 < 0)
break;
int e = text.indexOf("?=", q2 + 1);
if (e < 0)
break;