1package eu.siacs.conversations.ui;
2
3import android.Manifest;
4import android.app.Activity;
5import android.content.Intent;
6import android.content.pm.PackageManager;
7import android.net.Uri;
8import android.os.Build;
9import android.os.Bundle;
10import android.support.v4.content.ContextCompat;
11import android.support.v7.app.AppCompatActivity;
12import android.widget.Toast;
13
14import java.util.List;
15import java.util.regex.Matcher;
16import java.util.regex.Pattern;
17
18import eu.siacs.conversations.R;
19import eu.siacs.conversations.persistance.DatabaseBackend;
20import eu.siacs.conversations.utils.SignupUtils;
21import eu.siacs.conversations.utils.XmppUri;
22import eu.siacs.conversations.xmpp.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 private static final Pattern VCARD_XMPP_PATTERN = Pattern.compile("\nIMPP([^:]*):(xmpp:.+)\n");
30 private boolean handled = false;
31
32 public static void scan(Activity activity) {
33 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || 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 activity.requestPermissions(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(true);
89
90 if (SignupUtils.isSupportTokenRegistry() && xmppUri.isValidJid()) {
91 final String preauth = xmppUri.getParameter("preauth");
92 final Jid jid = xmppUri.getJid();
93 if (xmppUri.isAction(XmppUri.ACTION_REGISTER)) {
94 if (jid.getEscapedLocal() != null && accounts.contains(jid.asBareJid())) {
95 Toast.makeText(this, R.string.account_already_exists, Toast.LENGTH_LONG).show();
96 return;
97 }
98 intent = SignupUtils.getTokenRegistrationIntent(this, jid, preauth);
99 startActivity(intent);
100 return;
101 }
102 if (xmppUri.isAction(XmppUri.ACTION_ROSTER) && "y".equals(xmppUri.getParameter("ibr"))) {
103 intent = SignupUtils.getTokenRegistrationIntent(this, Jid.ofDomain(jid.getDomain()), preauth);
104 intent.putExtra(StartConversationActivity.EXTRA_INVITE_URI, xmppUri.toString());
105 startActivity(intent);
106 return;
107 }
108 }
109
110 if (accounts.size() == 0) {
111 if (xmppUri.isValidJid()) {
112 intent = SignupUtils.getSignUpIntent(this);
113 intent.putExtra(StartConversationActivity.EXTRA_INVITE_URI, xmppUri.toString());
114 startActivity(intent);
115 } else {
116 Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
117 }
118
119 return;
120 }
121
122 if (xmppUri.isAction(XmppUri.ACTION_MESSAGE)) {
123
124 final Jid jid = xmppUri.getJid();
125 final String body = xmppUri.getBody();
126
127 if (jid != null) {
128 Class clazz;
129 try {
130 clazz = Class.forName("eu.siacs.conversations.ui.ShareViaAccountActivity");
131 } catch (ClassNotFoundException e) {
132 clazz = null;
133
134 }
135 if (clazz != null) {
136 intent = new Intent(this, clazz);
137 intent.putExtra("contact", jid.toEscapedString());
138 intent.putExtra("body", body);
139 } else {
140 intent = new Intent(this, StartConversationActivity.class);
141 intent.setAction(Intent.ACTION_VIEW);
142 intent.setData(uri);
143 intent.putExtra("account", accounts.get(0).toEscapedString());
144 }
145
146 } else {
147 intent = new Intent(this, ShareWithActivity.class);
148 intent.setAction(Intent.ACTION_SEND);
149 intent.setType("text/plain");
150 intent.putExtra(Intent.EXTRA_TEXT, body);
151 }
152 } else if (accounts.contains(xmppUri.getJid())) {
153 intent = new Intent(getApplicationContext(), EditAccountActivity.class);
154 intent.setAction(Intent.ACTION_VIEW);
155 intent.putExtra("jid", xmppUri.getJid().asBareJid().toString());
156 intent.setData(uri);
157 intent.putExtra("scanned", scanned);
158 } else if (xmppUri.isValidJid()) {
159 intent = new Intent(getApplicationContext(), StartConversationActivity.class);
160 intent.setAction(Intent.ACTION_VIEW);
161 intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
162 intent.putExtra("scanned", scanned);
163 intent.setData(uri);
164 } else {
165 Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
166 return;
167 }
168
169 startActivity(intent);
170 }
171
172 private void handleIntent(Intent data) {
173 if (handled) {
174 return;
175 }
176 if (data == null || data.getAction() == null) {
177 finish();
178 return;
179 }
180
181 handled = true;
182
183 switch (data.getAction()) {
184 case Intent.ACTION_VIEW:
185 case Intent.ACTION_SENDTO:
186 handleUri(data.getData());
187 break;
188 case ACTION_SCAN_QR_CODE:
189 Intent intent = new Intent(this, ScanActivity.class);
190 startActivityForResult(intent, REQUEST_SCAN_QR_CODE);
191 return;
192 }
193
194 finish();
195 }
196
197 @Override
198 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
199 super.onActivityResult(requestCode, requestCode, intent);
200 if (requestCode == REQUEST_SCAN_QR_CODE && resultCode == RESULT_OK) {
201 String result = intent.getStringExtra(ScanActivity.INTENT_EXTRA_RESULT);
202 if (result != null) {
203 if (result.startsWith("BEGIN:VCARD\n")) {
204 Matcher matcher = VCARD_XMPP_PATTERN.matcher(result);
205 if (matcher.find()) {
206 result = matcher.group(2);
207 }
208 }
209 Uri uri = Uri.parse(result);
210 handleUri(uri, true);
211 }
212 }
213 finish();
214 }
215}