cogentleman/xmpp_client
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trim to original resource if server added something

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This commit is contained in:
Daniel Gultsch 2018-03-15 08:53:19 +01:00
parent fe90e70bb1
commit 1bfc0b8da6
1 changed files with 23 additions and 1 deletions
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24
src/main/java/eu/siacs/conversations/xmpp/XmppConnection.java
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@ -1,5 +1,6 @@
package eu.siacs.conversations.xmpp;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.SystemClock;
@ -1006,6 +1007,8 @@ public class XmppConnection implements Runnable {
clearIqCallbacks();
if (account.getJid().isBareJid()) {
account.setResource(this.createNewResource());
} else {
fixResource(mXmppConnectionService, account);
}
final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
final String resource = Config.USE_RANDOM_RESOURCE_ON_EVERY_BIND ? nextRandomId() : account.getResource();
@ -1282,7 +1285,7 @@ public class XmppConnection implements Runnable {
private void sendStartStream() throws IOException {
final Tag stream = Tag.start("stream:stream");
stream.setAttribute("to", account.getServer().toString());
stream.setAttribute("to", account.getServer());
stream.setAttribute("version", "1.0");
stream.setAttribute("xml:lang", "en");
stream.setAttribute("xmlns", "jabber:client");
@ -1294,6 +1297,25 @@ public class XmppConnection implements Runnable {
return mXmppConnectionService.getString(R.string.app_name)+'.'+nextRandomId(true);
}
private static void fixResource(Context context, Account account) {
String resource = account.getResource();
int fixedPartLength = context.getString(R.string.app_name).length() + 1; //include the trailing dot
int randomPartLength = 4; // 3 bytes
if (resource != null && resource.length() > fixedPartLength + randomPartLength) {
if (validBase64(resource.substring(fixedPartLength,fixedPartLength + randomPartLength))) {
account.setResource(resource.substring(0,fixedPartLength + randomPartLength));
}
}
}
private static boolean validBase64(String input) {
try {
return Base64.decode(input, Base64.URL_SAFE).length == 3;
} catch (Throwable throwable) {
return false;
}
}
private String nextRandomId() {
return nextRandomId(false);
}