From ca17eb5317c7d00a527b726ea068594393fdb72a Mon Sep 17 00:00:00 2001 From: Daniel Gultsch Date: Tue, 2 Aug 2016 10:40:24 +0200 Subject: handle invalid prekey ids in bundle --- src/main/java/de/pixart/messenger/parser/IqParser.java | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'src/main/java/de/pixart') diff --git a/src/main/java/de/pixart/messenger/parser/IqParser.java b/src/main/java/de/pixart/messenger/parser/IqParser.java index 64fe7395a..8e400680f 100644 --- a/src/main/java/de/pixart/messenger/parser/IqParser.java +++ b/src/main/java/de/pixart/messenger/parser/IqParser.java @@ -204,13 +204,15 @@ public class IqParser extends AbstractParser implements OnIqPacketReceived { Log.d(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Encountered unexpected tag in prekeys list: " + preKeyPublicElement); continue; } - Integer preKeyId = Integer.valueOf(preKeyPublicElement.getAttribute("preKeyId")); + Integer preKeyId = null; try { - ECPublicKey preKeyPublic = Curve.decodePoint(Base64.decode(preKeyPublicElement.getContent(), Base64.DEFAULT), 0); + preKeyId = Integer.valueOf(preKeyPublicElement.getAttribute("preKeyId")); + final ECPublicKey preKeyPublic = Curve.decodePoint(Base64.decode(preKeyPublicElement.getContent(), Base64.DEFAULT), 0); preKeyRecords.put(preKeyId, preKeyPublic); + } catch (NumberFormatException e) { + Log.e(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"could not parse preKeyId from preKey "+preKeyPublicElement.toString()); } catch (Throwable e) { Log.e(Config.LOGTAG, AxolotlService.LOGPREFIX+" : "+"Invalid preKeyPublic (ID="+preKeyId+") in PEP: "+ e.getMessage()+", skipping..."); - continue; } } return preKeyRecords; -- cgit v1.2.3