1package eu.siacs.conversations.ui;
2
3import android.Manifest;
4import android.app.Activity;
5import android.content.pm.PackageManager;
6import android.os.Bundle;
7import android.support.v13.app.ActivityCompat;
8import android.support.v4.content.ContextCompat;
9import android.support.v7.app.AppCompatActivity;
10import android.content.Intent;
11import android.net.Uri;
12import android.widget.Toast;
13
14import java.util.List;
15import java.util.regex.Matcher;
16import java.util.regex.Pattern;
17
18import eu.siacs.conversations.Config;
19import eu.siacs.conversations.R;
20import eu.siacs.conversations.persistance.DatabaseBackend;
21import eu.siacs.conversations.utils.XmppUri;
22import rocks.xmpp.addr.Jid;
23
24public class UriHandlerActivity extends AppCompatActivity {
25
26 public static final String ACTION_SCAN_QR_CODE = "scan_qr_code";
27 private static final int REQUEST_SCAN_QR_CODE = 0x1234;
28 private static final int REQUEST_CAMERA_PERMISSIONS_TO_SCAN = 0x6789;
29
30 private boolean handled = false;
31
32 public static void scan(Activity activity) {
33 if (ContextCompat.checkSelfPermission(activity, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
34 Intent intent = new Intent(activity, UriHandlerActivity.class);
35 intent.setAction(UriHandlerActivity.ACTION_SCAN_QR_CODE);
36 intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
37 activity.startActivity(intent);
38 } else {
39 ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA_PERMISSIONS_TO_SCAN);
40 }
41 }
42
43 public static void onRequestPermissionResult(Activity activity, int requestCode, int[] grantResults) {
44 if (requestCode != REQUEST_CAMERA_PERMISSIONS_TO_SCAN) {
45 return;
46 }
47 if (grantResults.length > 0) {
48 if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
49 scan(activity);
50 } else {
51 Toast.makeText(activity, R.string.qr_code_scanner_needs_access_to_camera, Toast.LENGTH_SHORT).show();
52 }
53 }
54 }
55
56 @Override
57 protected void onCreate(Bundle savedInstanceState) {
58 super.onCreate(savedInstanceState);
59 this.handled = savedInstanceState != null && savedInstanceState.getBoolean("handled", false);
60 getLayoutInflater().inflate(R.layout.toolbar, findViewById(android.R.id.content));
61 setSupportActionBar(findViewById(R.id.toolbar));
62 }
63
64 @Override
65 public void onStart() {
66 super.onStart();
67 handleIntent(getIntent());
68 }
69
70 @Override
71 public void onSaveInstanceState(Bundle savedInstanceState) {
72 savedInstanceState.putBoolean("handled", this.handled);
73 super.onSaveInstanceState(savedInstanceState);
74 }
75
76 @Override
77 public void onNewIntent(Intent intent) {
78 handleIntent(intent);
79 }
80
81 private void handleUri(Uri uri) {
82 handleUri(uri, false);
83 }
84
85 private void handleUri(Uri uri, final boolean scanned) {
86 final Intent intent;
87 final XmppUri xmppUri = new XmppUri(uri);
88 final List<Jid> accounts = DatabaseBackend.getInstance(this).getAccountJids(); //TODO only look at enabled accounts
89
90 if (!xmppUri.isJidValid()) {
91 Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
92 return;
93 }
94
95 if (accounts.size() == 0 && Config.MAGIC_CREATE_DOMAIN != null) {
96 intent = new Intent(getApplicationContext(), WelcomeActivity.class);
97 WelcomeActivity.addInviteUri(intent, xmppUri);
98 startActivity(intent);
99 return;
100 }
101
102 if (xmppUri.isAction(XmppUri.ACTION_MESSAGE)) {
103 final Jid jid = xmppUri.getJid();
104 final String body = xmppUri.getBody();
105
106 if (jid != null) {
107 intent = new Intent(getApplicationContext(), ShareViaAccountActivity.class);
108 intent.putExtra(ShareViaAccountActivity.EXTRA_CONTACT, jid.toString());
109 intent.putExtra(ShareViaAccountActivity.EXTRA_BODY, body);
110 } else {
111 intent = new Intent(getApplicationContext(), ShareWithActivity.class);
112 intent.setAction(Intent.ACTION_SEND);
113 intent.setType("text/plain");
114 intent.putExtra(Intent.EXTRA_TEXT, body);
115 }
116 } else if (accounts.contains(xmppUri.getJid())) {
117 intent = new Intent(getApplicationContext(), EditAccountActivity.class);
118 intent.setAction(Intent.ACTION_VIEW);
119 intent.putExtra("jid", xmppUri.getJid().asBareJid().toString());
120 intent.setData(uri);
121 intent.putExtra("scanned", scanned);
122 } else {
123 intent = new Intent(getApplicationContext(), StartConversationActivity.class);
124 intent.setAction(Intent.ACTION_VIEW);
125 intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
126 intent.putExtra("scanned", scanned);
127 intent.setData(uri);
128 }
129
130 startActivity(intent);
131 }
132
133 private void handleIntent(Intent data) {
134 if (handled) {
135 return;
136 }
137 if (data == null || data.getAction() == null) {
138 finish();
139 return;
140 }
141
142 handled = true;
143
144 switch (data.getAction()) {
145 case Intent.ACTION_VIEW:
146 case Intent.ACTION_SENDTO:
147 handleUri(data.getData());
148 break;
149 case ACTION_SCAN_QR_CODE:
150 Intent intent = new Intent(this, ScanActivity.class);
151 startActivityForResult(intent, REQUEST_SCAN_QR_CODE);
152 return;
153 }
154
155 finish();
156 }
157
158 private static final Pattern VCARD_XMPP_PATTERN = Pattern.compile("\nIMPP([^:]*):(xmpp:.+)\n");
159
160 @Override
161 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
162 super.onActivityResult(requestCode, requestCode, intent);
163 if (requestCode == REQUEST_SCAN_QR_CODE && resultCode == RESULT_OK) {
164 String result = intent.getStringExtra(ScanActivity.INTENT_EXTRA_RESULT);
165 if (result != null) {
166 if (result.startsWith("BEGIN:VCARD\n")) {
167 Matcher matcher = VCARD_XMPP_PATTERN.matcher(result);
168 if (matcher.find()) {
169 result = matcher.group(2);
170 }
171 }
172 Uri uri = Uri.parse(result);
173 handleUri(uri, true);
174 }
175 }
176 finish();
177 }
178}