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