52 lines
1.6 KiB
Java
52 lines
1.6 KiB
Java
package eu.siacs.conversations.generator;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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import android.util.Base64;
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public abstract class AbstractGenerator {
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public final String[] FEATURES = { "urn:xmpp:jingle:1",
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"urn:xmpp:jingle:apps:file-transfer:3",
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"urn:xmpp:jingle:transports:s5b:1",
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"urn:xmpp:jingle:transports:ibb:1",
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"urn:xmpp:receipts",
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"urn:xmpp:chat-markers:0",
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"http://jabber.org/protocol/muc",
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"jabber:x:conference",
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"http://jabber.org/protocol/caps",
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"http://jabber.org/protocol/disco#info",
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"urn:xmpp:avatar:metadata+notify"};
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public final String IDENTITY_NAME = "Conversations 0.5";
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public final String IDENTITY_TYPE = "phone";
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/*public final String[] FEATURES = { "http://jabber.org/protocol/muc","http://jabber.org/protocol/disco#info", "http://jabber.org/protocol/disco#items", "http://jabber.org/protocol/caps" };
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public final String IDENTITY_NAME = "Exodus 0.9.1";
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public final String IDENTITY_TYPE = "pc";*/
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public String getCapHash() {
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StringBuilder s = new StringBuilder();
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s.append("client/"+IDENTITY_TYPE+"//"+IDENTITY_NAME+"<");
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MessageDigest md = null;
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try {
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md = MessageDigest.getInstance("SHA-1");
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}
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catch(NoSuchAlgorithmException e) {
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return null;
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}
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List<String> features = Arrays.asList(FEATURES);
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Collections.sort(features);
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for(String feature : features) {
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s.append(feature+"<");
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}
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byte[] sha1 = md.digest(s.toString().getBytes());
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return new String(Base64.encode(sha1, Base64.DEFAULT)).trim();
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}
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}
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