From b69ee7125d49493bea86c6e3095f1236ad895980 Mon Sep 17 00:00:00 2001 From: Andreas Straub Date: Thu, 14 May 2015 15:25:52 +0200 Subject: Force Nameprepping of JID domain parts The IDN.toAscii()/IDN.toUnicode() family only namepreps the original domain passed to it if it contained non-ASCII characters. This means that for all-ASCII domains, no canonicalization is performed, which leads to issues like case-sensitivity. This workaround explicitly namepreps domain parts before calling IDN.toAscii() on them, in order to get a canonicalized representation (most notably, case invariance). A basic DB migration is also included. --- src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) (limited to 'src/main/java/eu/siacs/conversations/xmpp') diff --git a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java index 295e067a6..f989c0c25 100644 --- a/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java +++ b/src/main/java/eu/siacs/conversations/xmpp/jid/Jid.java @@ -130,12 +130,19 @@ public final class Jid { if (resourcepart.isEmpty() || resourcepart.length() > 1023) { throw new InvalidJidException(InvalidJidException.INVALID_PART_LENGTH); } - dp = IDN.toUnicode(jid.substring(domainpartStart, slashLoc), IDN.USE_STD3_ASCII_RULES); + try { + dp = IDN.toUnicode(Stringprep.nameprep(jid.substring(domainpartStart, slashLoc)), IDN.USE_STD3_ASCII_RULES); + } catch (final StringprepException e) { + throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e); + } finaljid = finaljid + dp + "/" + rp; } else { resourcepart = ""; - dp = IDN.toUnicode(jid.substring(domainpartStart, jid.length()), - IDN.USE_STD3_ASCII_RULES); + try{ + dp = IDN.toUnicode(Stringprep.nameprep(jid.substring(domainpartStart, jid.length())), IDN.USE_STD3_ASCII_RULES); + } catch (final StringprepException e) { + throw new InvalidJidException(InvalidJidException.STRINGPREP_FAIL, e); + } finaljid = finaljid + dp; } -- cgit v1.2.3