prevent users from editing their account jid after successful login

src/main/java/eu/siacs/conversations/crypto/axolotl/AxolotlService.java

@@ -535,7 +535,7 @@ public class AxolotlService implements OnAdvancedStreamFeaturesLoaded {
 				} else {
 					if (AxolotlService.this.changeAccessMode.compareAndSet(true,false)) {
 						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": done changing access mode");
-						account.setOption(Account.OPTION_REQURIES_ACCESS_MODE_CHANGE,false);
+						account.setOption(Account.OPTION_REQUIRES_ACCESS_MODE_CHANGE,false);
 						mXmppConnectionService.databaseBackend.updateAccount(account);
 					}
 					ownPushPending.set(false);
@@ -591,7 +591,7 @@ public class AxolotlService implements OnAdvancedStreamFeaturesLoaded {
 			Log.d(Config.LOGTAG, getLogprefix(account) + "publishBundlesIfNeeded called, but PEP is broken. Ignoring... ");
 			return;
 		}
-		this.changeAccessMode.set(account.isOptionSet(Account.OPTION_REQURIES_ACCESS_MODE_CHANGE) && account.getXmppConnection().getFeatures().pepPublishOptions());
+		this.changeAccessMode.set(account.isOptionSet(Account.OPTION_REQUIRES_ACCESS_MODE_CHANGE) && account.getXmppConnection().getFeatures().pepPublishOptions());
 		if (this.changeAccessMode.get()) {
 			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": server gained publish-options capabilities. changing access model");
 		}

src/main/java/eu/siacs/conversations/entities/Account.java

@@ -57,7 +57,8 @@ public class Account extends AbstractEntity {
 	public static final int OPTION_REGISTER = 2;
 	public static final int OPTION_USECOMPRESSION = 3;
 	public static final int OPTION_MAGIC_CREATE = 4;
-	public static final int OPTION_REQURIES_ACCESS_MODE_CHANGE = 5;
+	public static final int OPTION_REQUIRES_ACCESS_MODE_CHANGE = 5;
+	public static final int OPTION_LOGGED_IN_SUCCESSFULLY = 6;
 	public final HashSet<Pair<String, String>> inProgressDiscoFetches = new HashSet<>();
 
 	public boolean httpUploadAvailable(long filesize) {
@@ -295,12 +296,14 @@ public class Account extends AbstractEntity {
 		return ((options & (1 << option)) != 0);
 	}
 
-	public void setOption(final int option, final boolean value) {
+	public boolean setOption(final int option, final boolean value) {
+		final int before = this.options;
 		if (value) {
 			this.options |= 1 << option;
 		} else {
 			this.options &= ~(1 << option);
 		}
+		return before != this.options;
 	}
 
 	public String getUsername() {

src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java

@@ -10,7 +10,6 @@ import android.database.sqlite.SQLiteOpenHelper;
 import android.os.Environment;
 import android.util.Base64;
 import android.util.Log;
-import android.util.Pair;
 
 import org.json.JSONObject;
 import org.whispersystems.libsignal.SignalProtocolAddress;
@@ -449,7 +448,8 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 		if (oldVersion < 36 && newVersion >= 36) {
 			List<Account> accounts = getAccounts(db);
 			for (Account account : accounts) {
-				account.setOption(Account.OPTION_REQURIES_ACCESS_MODE_CHANGE,true);
+				account.setOption(Account.OPTION_REQUIRES_ACCESS_MODE_CHANGE,true);
+				account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY,false);
 				db.update(Account.TABLENAME, account.getContentValues(), Account.UUID
 						+ "=?", new String[]{account.getUuid()});
 			}

src/main/java/eu/siacs/conversations/services/XmppConnectionService.java

@@ -300,6 +300,9 @@ public class XmppConnectionService extends Service {
 					}
 				}
 			}
+			if (account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY,true)) {
+				databaseBackend.updateAccount(account);
+			}
 			account.getRoster().clearPresences();
 			mJingleConnectionManager.cancelInTransmission();
 			fetchRosterFromServer(account);

src/main/java/eu/siacs/conversations/ui/EditAccountActivity.java

@@ -843,7 +843,8 @@ public class EditAccountActivity extends OmemoActivity implements OnAccountUpdat
 			} else {
 				this.mAccountJid.getEditableText().append(this.mAccount.getJid().toBareJid().toString());
 			}
-			this.mPassword.setText(this.mAccount.getPassword());
+			this.mPassword.getEditableText().clear();
+			this.mPassword.getEditableText().append(this.mAccount.getPassword());
 			this.mHostname.setText("");
 			this.mHostname.getEditableText().append(this.mAccount.getHostname());
 			this.mPort.setText("");
@@ -852,6 +853,11 @@ public class EditAccountActivity extends OmemoActivity implements OnAccountUpdat
 
 		}
 
+		final boolean editable = !mAccount.isOptionSet(Account.OPTION_LOGGED_IN_SUCCESSFULLY);
+		this.mAccountJid.setEnabled(editable);
+		this.mAccountJid.setFocusable(editable);
+		this.mAccountJid.setFocusableInTouchMode(editable);
+
 		if (!mInitMode) {
 			this.mAvatar.setVisibility(View.VISIBLE);
 			this.mAvatar.setImageBitmap(avatarService().get(this.mAccount, getPixel(72)));