anotherim/src/main/java/eu/siacs/conversations/ui/UriHandlerActivity.java

333 lines
13 KiB
Java

package eu.siacs.conversations.ui;
import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;
import androidx.annotation.StringRes;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.content.ContextCompat;
import androidx.databinding.DataBindingUtil;
import com.google.common.base.Strings;
import org.jetbrains.annotations.NotNull;
import java.io.IOException;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.R;
import eu.siacs.conversations.databinding.ActivityUriHandlerBinding;
import eu.siacs.conversations.http.HttpConnectionManager;
import eu.siacs.conversations.persistance.DatabaseBackend;
import eu.siacs.conversations.services.QuickConversationsService;
import eu.siacs.conversations.utils.ProvisioningUtils;
import eu.siacs.conversations.utils.SignupUtils;
import eu.siacs.conversations.utils.XmppUri;
import eu.siacs.conversations.xmpp.Jid;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.HttpUrl;
import okhttp3.Request;
import okhttp3.Response;
public class UriHandlerActivity extends AppCompatActivity {
public static final String ACTION_SCAN_QR_CODE = "scan_qr_code";
private static final String EXTRA_ALLOW_PROVISIONING = "extra_allow_provisioning";
private static final int REQUEST_SCAN_QR_CODE = 0x1234;
private static final int REQUEST_CAMERA_PERMISSIONS_TO_SCAN = 0x6789;
private static final int REQUEST_CAMERA_PERMISSIONS_TO_SCAN_AND_PROVISION = 0x6790;
private static final Pattern V_CARD_XMPP_PATTERN = Pattern.compile("\nIMPP([^:]*):(xmpp:.+)\n");
private static final Pattern LINK_HEADER_PATTERN = Pattern.compile("<(.*?)>");
private ActivityUriHandlerBinding binding;
private Call call;
public static void scan(final Activity activity) {
scan(activity, false);
}
public static void scan(final Activity activity, final boolean provisioning) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(activity, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
final Intent intent = new Intent(activity, UriHandlerActivity.class);
intent.setAction(UriHandlerActivity.ACTION_SCAN_QR_CODE);
if (provisioning) {
intent.putExtra(EXTRA_ALLOW_PROVISIONING, true);
}
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
activity.startActivity(intent);
} else {
activity.requestPermissions(
new String[]{Manifest.permission.CAMERA},
provisioning ? REQUEST_CAMERA_PERMISSIONS_TO_SCAN_AND_PROVISION : REQUEST_CAMERA_PERMISSIONS_TO_SCAN
);
}
}
public static void onRequestPermissionResult(Activity activity, int requestCode, int[] grantResults) {
if (requestCode != REQUEST_CAMERA_PERMISSIONS_TO_SCAN && requestCode != REQUEST_CAMERA_PERMISSIONS_TO_SCAN_AND_PROVISION) {
return;
}
if (grantResults.length > 0) {
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
if (requestCode == REQUEST_CAMERA_PERMISSIONS_TO_SCAN_AND_PROVISION) {
scan(activity, true);
} else {
scan(activity);
}
} else {
Toast.makeText(activity, R.string.qr_code_scanner_needs_access_to_camera, Toast.LENGTH_SHORT).show();
}
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.binding = DataBindingUtil.setContentView(this, R.layout.activity_uri_handler);
}
@Override
public void onStart() {
super.onStart();
handleIntent(getIntent());
}
@Override
public void onNewIntent(final Intent intent) {
super.onNewIntent(intent);
handleIntent(intent);
}
private boolean handleUri(final Uri uri) {
return handleUri(uri, false);
}
private boolean handleUri(final Uri uri, final boolean scanned) {
final Intent intent;
final XmppUri xmppUri = new XmppUri(uri);
final List<Jid> accounts = DatabaseBackend.getInstance(this).getAccountJids(true);
if (SignupUtils.isSupportTokenRegistry() && xmppUri.isValidJid()) {
final String preAuth = xmppUri.getParameter(XmppUri.PARAMETER_PRE_AUTH);
final Jid jid = xmppUri.getJid();
if (xmppUri.isAction(XmppUri.ACTION_REGISTER)) {
if (jid.getEscapedLocal() != null && accounts.contains(jid.asBareJid())) {
showError(R.string.account_already_exists);
return false;
}
intent = SignupUtils.getTokenRegistrationIntent(this, jid, preAuth);
startActivity(intent);
return true;
}
if (accounts.size() == 0 && xmppUri.isAction(XmppUri.ACTION_ROSTER) && "y".equals(xmppUri.getParameter(XmppUri.PARAMETER_IBR))) {
intent = SignupUtils.getTokenRegistrationIntent(this, jid.getDomain(), preAuth);
intent.putExtra(StartConversationActivity.EXTRA_INVITE_URI, xmppUri.toString());
startActivity(intent);
return true;
}
} else if (xmppUri.isAction(XmppUri.ACTION_REGISTER)) {
showError(R.string.account_registrations_are_not_supported);
return false;
}
if (accounts.size() == 0) {
if (xmppUri.isValidJid()) {
intent = SignupUtils.getSignUpIntent(this);
intent.putExtra(StartConversationActivity.EXTRA_INVITE_URI, xmppUri.toString());
startActivity(intent);
return true;
} else {
showError(R.string.invalid_jid);
return false;
}
}
if (xmppUri.isAction(XmppUri.ACTION_MESSAGE)) {
final Jid jid = xmppUri.getJid();
final String body = xmppUri.getBody();
if (jid != null) {
final Class<?> clazz = findShareViaAccountClass();
if (clazz != null) {
intent = new Intent(this, clazz);
intent.putExtra("contact", jid.toEscapedString());
intent.putExtra("body", body);
} else {
intent = new Intent(this, StartConversationActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.setData(uri);
intent.putExtra("account", accounts.get(0).toEscapedString());
}
} else {
intent = new Intent(this, ShareWithActivity.class);
intent.setAction(Intent.ACTION_SEND);
intent.setType("text/plain");
intent.putExtra(Intent.EXTRA_TEXT, body);
}
} else if (accounts.contains(xmppUri.getJid())) {
intent = new Intent(getApplicationContext(), EditAccountActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.putExtra("jid", xmppUri.getJid().asBareJid().toString());
intent.setData(uri);
intent.putExtra("scanned", scanned);
} else if (xmppUri.isValidJid()) {
intent = new Intent(getApplicationContext(), StartConversationActivity.class);
intent.setAction(Intent.ACTION_VIEW);
intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
intent.putExtra("scanned", scanned);
intent.setData(uri);
} else {
showError(R.string.invalid_jid);
return false;
}
startActivity(intent);
return true;
}
private void checkForLinkHeader(final HttpUrl url) {
Log.d(Config.LOGTAG, "checking for link header on " + url);
this.call = HttpConnectionManager.OK_HTTP_CLIENT.newCall(new Request.Builder()
.url(url)
.head()
.build());
this.call.enqueue(new Callback() {
@Override
public void onFailure(@NotNull Call call, @NotNull IOException e) {
Log.d(Config.LOGTAG, "unable to check HTTP url", e);
showError(R.string.no_xmpp_adddress_found);
}
@Override
public void onResponse(@NotNull Call call, @NotNull Response response) {
if (response.isSuccessful()) {
final String linkHeader = response.header("Link");
if (linkHeader != null && processLinkHeader(linkHeader)) {
return;
}
}
showError(R.string.no_xmpp_adddress_found);
}
});
}
private boolean processLinkHeader(final String header) {
final Matcher matcher = LINK_HEADER_PATTERN.matcher(header);
if (matcher.find()) {
final String group = matcher.group();
final String link = group.substring(1, group.length() - 1);
if (handleUri(Uri.parse(link))) {
finish();
return true;
}
}
return false;
}
private void showError(@StringRes int error) {
this.binding.progress.setVisibility(View.INVISIBLE);
this.binding.error.setText(error);
this.binding.error.setVisibility(View.VISIBLE);
}
private static Class<?> findShareViaAccountClass() {
try {
return Class.forName("eu.siacs.conversations.ui.ShareViaAccountActivity");
} catch (final ClassNotFoundException e) {
return null;
}
}
private void handleIntent(final Intent data) {
final String action = data == null ? null : data.getAction();
if (action == null) {
return;
}
switch (action) {
case Intent.ACTION_MAIN:
binding.progress.setVisibility(call != null && !call.isCanceled() ? View.VISIBLE : View.INVISIBLE);
break;
case Intent.ACTION_VIEW:
case Intent.ACTION_SENDTO:
if (handleUri(data.getData())) {
finish();
}
break;
case ACTION_SCAN_QR_CODE:
Log.d(Config.LOGTAG, "scan. allow=" + allowProvisioning());
setIntent(createMainIntent());
startActivityForResult(new Intent(this, ScanActivity.class), REQUEST_SCAN_QR_CODE);
break;
}
}
private Intent createMainIntent() {
final Intent intent = new Intent(Intent.ACTION_MAIN);
intent.putExtra(EXTRA_ALLOW_PROVISIONING, allowProvisioning());
return intent;
}
private boolean allowProvisioning() {
final Intent launchIntent = getIntent();
return launchIntent != null && launchIntent.getBooleanExtra(EXTRA_ALLOW_PROVISIONING, false);
}
@Override
public void onActivityResult(final int requestCode, final int resultCode, final Intent intent) {
super.onActivityResult(requestCode, requestCode, intent);
if (requestCode == REQUEST_SCAN_QR_CODE && resultCode == RESULT_OK) {
final boolean allowProvisioning = allowProvisioning();
final String result = intent.getStringExtra(ScanActivity.INTENT_EXTRA_RESULT);
if (Strings.isNullOrEmpty(result)) {
finish();
return;
}
if (result.startsWith("BEGIN:VCARD\n")) {
final Matcher matcher = V_CARD_XMPP_PATTERN.matcher(result);
if (matcher.find()) {
if (handleUri(Uri.parse(matcher.group(2)), true)) {
finish();
}
} else {
showError(R.string.no_xmpp_adddress_found);
}
return;
} else if (QuickConversationsService.isConversations() && looksLikeJsonObject(result) && allowProvisioning) {
ProvisioningUtils.provision(this, result);
finish();
return;
}
final Uri uri = Uri.parse(result.trim());
if (allowProvisioning && "https".equalsIgnoreCase(uri.getScheme()) && !XmppUri.INVITE_DOMAIN.equalsIgnoreCase(uri.getHost())) {
final HttpUrl httpUrl = HttpUrl.parse(uri.toString());
if (httpUrl != null) {
checkForLinkHeader(httpUrl);
} else {
finish();
}
} else if (handleUri(uri, true)) {
finish();
} else {
setIntent(new Intent(Intent.ACTION_VIEW, uri));
}
} else {
finish();
}
}
private static boolean looksLikeJsonObject(final String input) {
final String trimmed = Strings.nullToEmpty(input).trim();
return trimmed.charAt(0) == '{' && trimmed.charAt(trimmed.length() - 1) == '}';
}
}