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Code Issues Releases Wiki Activity

Encode mbox files

This commit is contained in:
M66B 2021-04-17 18:25:48 +02:00
parent ff0f874b91
commit c6825d4e1d
1 changed files with 48 additions and 2 deletions
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50
app/src/main/java/eu/faircode/email/FragmentFolders.java
View File

@ -907,17 +907,63 @@ public class FragmentFolders extends FragmentBase {
Message imessage = MessageHelper.from(context, message, null, isession, false);
imessage.writeTo(new FilterOutputStream(out) {
private int pos = 0;
private boolean cr = false;
private boolean lf = false;
private byte[] buffer = new byte[998];
@Override
public void write(int b) throws IOException {
if (b != 13)
out.write(b);
if (b == 13) {
if (cr)
line();
else
cr = true;
} else if (b == 10) {
if (lf)
line();
else
lf = true;
} else {
if (cr || lf)
line();
if (pos == buffer.length)
throw new IOException("Line too long");
buffer[pos++] = (byte) b;
}
}
@Override
public void flush() throws IOException {
if (pos > 0 || cr || lf)
line();
out.write(10);
super.flush();
}
private void line() throws IOException {
int i = 0;
for (; i < pos; i++)
if (buffer[i] != '>')
break;
if (i + 4 < pos &&
buffer[i + 0] == 'F' &&
buffer[i + 1] == 'r' &&
buffer[i + 2] == 'o' &&
buffer[i + 3] == 'm' &&
buffer[i + 4] == ' ')
out.write('>');
for (i = 0; i < pos; i++)
out.write(buffer[i]);
out.write(10);
pos = 0;
cr = false;
lf = false;
}
});
}
}