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 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 (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 (accounts.size() == 0) {
91 if (xmppUri.isJidValid()) {
92 intent = SignupUtils.getSignUpIntent(this);
93 intent.putExtra(StartConversationActivity.EXTRA_INVITE_URI, xmppUri.toString());
94 startActivity(intent);
95 } else {
96 Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
97 }
98
99 return;
100 }
101
102 if (xmppUri.isAction(XmppUri.ACTION_MESSAGE)) {
103
104 final Jid jid = xmppUri.getJid();
105 final String body = xmppUri.getBody();
106
107 if (jid != null) {
108 Class clazz;
109 try {
110 clazz = Class.forName("eu.siacs.conversations.ui.ShareViaAccountActivity");
111 } catch (ClassNotFoundException e) {
112 clazz = null;
113
114 }
115 if (clazz != null) {
116 intent = new Intent(this, clazz);
117 intent.putExtra("contact", jid.toEscapedString());
118 intent.putExtra("body", body);
119 } else {
120 intent = new Intent(this, StartConversationActivity.class);
121 intent.setAction(Intent.ACTION_VIEW);
122 intent.setData(uri);
123 intent.putExtra("account", accounts.get(0).toEscapedString());
124 }
125
126 } else {
127 intent = new Intent(this, ShareWithActivity.class);
128 intent.setAction(Intent.ACTION_SEND);
129 intent.setType("text/plain");
130 intent.putExtra(Intent.EXTRA_TEXT, body);
131 }
132 } else if (accounts.contains(xmppUri.getJid())) {
133 intent = new Intent(getApplicationContext(), EditAccountActivity.class);
134 intent.setAction(Intent.ACTION_VIEW);
135 intent.putExtra("jid", xmppUri.getJid().asBareJid().toString());
136 intent.setData(uri);
137 intent.putExtra("scanned", scanned);
138 } else if (xmppUri.isJidValid()) {
139 intent = new Intent(getApplicationContext(), StartConversationActivity.class);
140 intent.setAction(Intent.ACTION_VIEW);
141 intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
142 intent.putExtra("scanned", scanned);
143 intent.setData(uri);
144 } else {
145 Toast.makeText(this, R.string.invalid_jid, Toast.LENGTH_SHORT).show();
146 return;
147 }
148
149 startActivity(intent);
150 }
151
152 private void handleIntent(Intent data) {
153 if (handled) {
154 return;
155 }
156 if (data == null || data.getAction() == null) {
157 finish();
158 return;
159 }
160
161 handled = true;
162
163 switch (data.getAction()) {
164 case Intent.ACTION_VIEW:
165 case Intent.ACTION_SENDTO:
166 handleUri(data.getData());
167 break;
168 case ACTION_SCAN_QR_CODE:
169 Intent intent = new Intent(this, ScanActivity.class);
170 startActivityForResult(intent, REQUEST_SCAN_QR_CODE);
171 return;
172 }
173
174 finish();
175 }
176
177 private static final Pattern VCARD_XMPP_PATTERN = Pattern.compile("\nIMPP([^:]*):(xmpp:.+)\n");
178
179 @Override
180 public void onActivityResult(int requestCode, int resultCode, Intent intent) {
181 super.onActivityResult(requestCode, requestCode, intent);
182 if (requestCode == REQUEST_SCAN_QR_CODE && resultCode == RESULT_OK) {
183 String result = intent.getStringExtra(ScanActivity.INTENT_EXTRA_RESULT);
184 if (result != null) {
185 if (result.startsWith("BEGIN:VCARD\n")) {
186 Matcher matcher = VCARD_XMPP_PATTERN.matcher(result);
187 if (matcher.find()) {
188 result = matcher.group(2);
189 }
190 }
191 Uri uri = Uri.parse(result);
192 handleUri(uri, true);
193 }
194 }
195 finish();
196 }
197}