diff options
Diffstat (limited to '')
| -rw-r--r-- | src/main/java/eu/siacs/conversations/parser/IqParser.java | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/parser/IqParser.java b/src/main/java/eu/siacs/conversations/parser/IqParser.java index f6446cfd1..e26a493f5 100644 --- a/src/main/java/eu/siacs/conversations/parser/IqParser.java +++ b/src/main/java/eu/siacs/conversations/parser/IqParser.java @@ -3,6 +3,7 @@ package eu.siacs.conversations.parser; import android.support.annotation.NonNull; import android.util.Base64; import android.util.Log; +import android.util.Pair; import org.whispersystems.libaxolotl.IdentityKey; import org.whispersystems.libaxolotl.InvalidKeyException; @@ -10,6 +11,10 @@ import org.whispersystems.libaxolotl.ecc.Curve; import org.whispersystems.libaxolotl.ecc.ECPublicKey; import org.whispersystems.libaxolotl.state.PreKeyBundle; +import java.io.ByteArrayInputStream; +import java.security.cert.CertificateException; +import java.security.cert.CertificateFactory; +import java.security.cert.X509Certificate; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; @@ -204,6 +209,30 @@ public class IqParser extends AbstractParser implements OnIqPacketReceived { return preKeyRecords; } + public Pair<X509Certificate[],byte[]> verification(final IqPacket packet) { + Element item = getItem(packet); + Element verification = item != null ? item.findChild("verification",AxolotlService.PEP_PREFIX) : null; + Element chain = verification != null ? verification.findChild("chain") : null; + Element signature = verification != null ? verification.findChild("signature") : null; + if (chain != null && signature != null) { + List<Element> certElements = chain.getChildren(); + X509Certificate[] certificates = new X509Certificate[certElements.size()]; + try { + CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509"); + int i = 0; + for(Element cert : certElements) { + certificates[i] = (X509Certificate) certificateFactory.generateCertificate(new ByteArrayInputStream(Base64.decode(cert.getContent(),Base64.DEFAULT))); + ++i; + } + return new Pair<>(certificates,Base64.decode(signature.getContent(),Base64.DEFAULT)); + } catch (CertificateException e) { + return null; + } + } else { + return null; + } + } + public PreKeyBundle bundle(final IqPacket bundle) { Element bundleItem = getItem(bundle); if(bundleItem == null) { |