package de.pixart.messenger.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 androidx.core.content.ContextCompat; import androidx.appcompat.app.AppCompatActivity; import android.widget.Toast; import java.util.List; import java.util.regex.Matcher; import java.util.regex.Pattern; import de.pixart.messenger.R; import de.pixart.messenger.persistance.DatabaseBackend; import de.pixart.messenger.utils.SignupUtils; import de.pixart.messenger.utils.XmppUri; import rocks.xmpp.addr.Jid; public class UriHandlerActivity extends AppCompatActivity { public static final String ACTION_SCAN_QR_CODE = "scan_qr_code"; private static final int REQUEST_SCAN_QR_CODE = 0x1234; private static final int REQUEST_CAMERA_PERMISSIONS_TO_SCAN = 0x6789; private boolean handled = false; public static void scan(Activity activity) { if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(activity, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) { Intent intent = new Intent(activity, UriHandlerActivity.class); intent.setAction(UriHandlerActivity.ACTION_SCAN_QR_CODE); intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION); activity.startActivity(intent); } else { activity.requestPermissions(new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA_PERMISSIONS_TO_SCAN); } } public static void onRequestPermissionResult(Activity activity, int requestCode, int[] grantResults) { if (requestCode != REQUEST_CAMERA_PERMISSIONS_TO_SCAN) { return; } if (grantResults.length > 0) { if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { 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.handled = savedInstanceState != null && savedInstanceState.getBoolean("handled", false); getLayoutInflater().inflate(R.layout.toolbar, findViewById(android.R.id.content)); setSupportActionBar(findViewById(R.id.toolbar)); } @Override public void onStart() { super.onStart(); handleIntent(getIntent()); } @Override public void onSaveInstanceState(Bundle savedInstanceState) { savedInstanceState.putBoolean("handled", this.handled); super.onSaveInstanceState(savedInstanceState); } @Override public void onNewIntent(Intent intent) { handleIntent(intent); } private void handleUri(Uri uri) { handleUri(uri, false); } private void handleUri(Uri uri, final boolean scanned) { final Intent intent; final XmppUri xmppUri = new XmppUri(uri); final List accounts = DatabaseBackend.getInstance(this).getAccountJids(true); if (accounts.size() == 0) { if (xmppUri.isJidValid()) { intent = SignupUtils.getSignUpIntent(this); intent.putExtra(StartConversationActivity.EXTRA_INVITE_URI, xmppUri.toString()); startActivity(intent); } else { Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show(); } return; } if (xmppUri.isAction(XmppUri.ACTION_MESSAGE)) { final Jid jid = xmppUri.getJid(); final String body = xmppUri.getBody(); if (jid != null) { Class clazz; try { clazz = Class.forName("de.pixart.messenger.ui.ShareViaAccountActivity"); } catch (ClassNotFoundException e) { clazz = null; } 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.isJidValid()) { 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 { Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show(); return; } startActivity(intent); } private void handleIntent(Intent data) { if (handled) { return; } if (data == null || data.getAction() == null) { finish(); return; } handled = true; switch (data.getAction()) { case Intent.ACTION_VIEW: case Intent.ACTION_SENDTO: handleUri(data.getData()); break; case ACTION_SCAN_QR_CODE: Intent intent = new Intent(this, ScanActivity.class); startActivityForResult(intent, REQUEST_SCAN_QR_CODE); return; } finish(); } private static final Pattern VCARD_XMPP_PATTERN = Pattern.compile("\nIMPP([^:]*):(xmpp:.+)\n"); @Override public void onActivityResult(int requestCode, int resultCode, Intent intent) { super.onActivityResult(requestCode, requestCode, intent); if (requestCode == REQUEST_SCAN_QR_CODE && resultCode == RESULT_OK) { String result = intent.getStringExtra(ScanActivity.INTENT_EXTRA_RESULT); if (result != null) { if (result.startsWith("BEGIN:VCARD\n")) { Matcher matcher = VCARD_XMPP_PATTERN.matcher(result); if (matcher.find()) { result = matcher.group(2); } } Uri uri = Uri.parse(result); handleUri(uri, true); } } finish(); } }