when parsing omemo messages ensure we only find one element
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@ -135,7 +135,7 @@ public class XmppAxolotlMessage {
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break;
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}
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}
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Element payloadElement = axolotlMessage.findChild(PAYLOAD); //TODO make sure we only have _one_ paypload
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final Element payloadElement = axolotlMessage.findChildEnsureSingle(PAYLOAD, AxolotlService.PEP_PREFIX);
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if (payloadElement != null) {
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ciphertext = Base64.decode(payloadElement.getContent().trim(), Base64.DEFAULT);
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}
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@ -338,7 +338,7 @@ public class MessageParser extends AbstractParser implements OnMessagePacketRece
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final URL xP1S3url = xP1S3 == null ? null : P1S3UrlStreamHandler.of(xP1S3);
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final String oobUrl = oob != null ? oob.findChildContent("url") : null;
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final String replacementId = replaceElement == null ? null : replaceElement.getAttribute("id");
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final Element axolotlEncrypted = packet.findChild(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX); //TODO make sure we only have _one_ axolotl element!
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final Element axolotlEncrypted = packet.findChildEnsureSingle(XmppAxolotlMessage.CONTAINERTAG, AxolotlService.PEP_PREFIX);
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int status;
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final Jid counterpart;
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final Jid to = packet.getTo();
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@ -80,6 +80,19 @@ public class Element {
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return null;
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}
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public Element findChildEnsureSingle(String name, String xmlns) {
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final List<Element> results = new ArrayList<>();
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for (Element child : this.children) {
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if (name.equals(child.getName()) && xmlns.equals(child.getAttribute("xmlns"))) {
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results.add(child);
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}
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}
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if (results.size() == 1) {
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return results.get(0);
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}
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return null;
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}
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public String findChildContent(String name, String xmlns) {
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Element element = findChild(name,xmlns);
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return element == null ? null : element.getContent();
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