1 | /* |
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2 | * Copyright (C) 2011 The Android Open Source Project |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | |
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17 | package ve.gob.cenditel.tibisaymovil; |
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18 | |
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19 | import java.security.cert.X509Certificate; |
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20 | import java.util.ArrayList; |
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21 | import java.util.Collections; |
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22 | import java.util.List; |
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23 | |
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24 | |
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25 | import android.app.Activity; |
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26 | import android.content.Intent; |
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27 | import android.os.AsyncTask; |
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28 | import android.os.Bundle; |
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29 | import android.util.SparseBooleanArray; |
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30 | import android.view.LayoutInflater; |
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31 | import android.view.Menu; |
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32 | import android.view.MenuItem; |
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33 | import android.view.View; |
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34 | import android.view.Window; |
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35 | import android.view.View.OnClickListener; |
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36 | import android.view.ViewGroup; |
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37 | import android.widget.AdapterView; |
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38 | import android.widget.AdapterView.OnItemClickListener; |
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39 | import android.widget.BaseAdapter; |
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40 | import android.widget.CheckBox; |
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41 | import android.widget.ImageView; |
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42 | import android.widget.ListView; |
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43 | import android.widget.TextView; |
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44 | import android.widget.Toast; |
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45 | |
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46 | /** |
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47 | * Activity that mimics the Android >= 4.0 Keychain. {@link KeyChainStrategy} automatically starts this activity |
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48 | * when needed. |
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49 | * |
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50 | * @author José M. Prieto (jmprieto@emergya.com) |
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51 | */ |
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52 | public class KeyChainActivity extends Activity implements OnClickListener, OnItemClickListener { |
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53 | |
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54 | private KeyChainView viewHolder; |
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55 | private CustomKeyChain keyChain; |
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56 | private int numChecks; |
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57 | private CertificateAdapter adapt; |
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58 | |
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59 | @Override |
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60 | public void onCreate(Bundle savedInstanceState) { |
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61 | //Estilando la barra de titulo |
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62 | final boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); |
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63 | |
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64 | super.onCreate(savedInstanceState); |
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65 | |
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66 | |
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67 | this.keyChain = CustomKeyChain.getInstance(); |
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68 | this.viewHolder = new KeyChainView(); |
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69 | |
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70 | //Eliminate menu. Not used for now. |
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71 | if (this.getIntent()!=null){ |
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72 | |
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73 | boolean quitmenu = this.getIntent().getBooleanExtra("quitmenu", false); |
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74 | if (quitmenu) { |
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75 | this.viewHolder.accept.setVisibility(View.GONE); |
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76 | this.viewHolder.cancel.setVisibility(View.GONE); |
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77 | } |
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78 | }else{ |
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79 | this.viewHolder.accept.setVisibility(View.VISIBLE); |
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80 | this.viewHolder.cancel.setVisibility(View.VISIBLE); |
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81 | } |
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82 | |
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83 | |
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84 | |
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85 | try { |
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86 | this.adapt = new KeyChainActivity.CertificateAdapter(this.keyChain); |
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87 | this.viewHolder.aliases.setAdapter(adapt); |
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88 | } catch (KeystoreException e) { |
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89 | Toast.makeText(this, R.string.error_unknown, Toast.LENGTH_LONG).show(); |
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90 | //throw new RuntimeException(e); |
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91 | } |
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92 | |
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93 | |
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94 | if (this.adapt!=null && this.adapt.aliases.size()==1){ |
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95 | this.numChecks=1; |
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96 | this.viewHolder.aliases.setItemChecked(0, true); |
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97 | }else |
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98 | this.numChecks = 0; |
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99 | |
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100 | this.updateCheckedNumber(); |
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101 | this.updateButtons(); |
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102 | |
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103 | //Estilando Barra de titulo |
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104 | if(customTitleSupported) |
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105 | getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.title_bar); |
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106 | |
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107 | |
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108 | } |
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109 | |
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110 | @Override |
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111 | protected void onResume(){ |
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112 | super.onResume(); |
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113 | |
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114 | //TODO: |
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115 | this.keyChain.reloadKeyStore(); |
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116 | if (this.adapt!=null) |
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117 | this.adapt.notifyDataSetChanged(); |
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118 | |
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119 | } |
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120 | |
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121 | @Override |
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122 | protected void onSaveInstanceState(Bundle outState) { |
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123 | |
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124 | super.onSaveInstanceState(outState); |
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125 | outState.putInt("numChecks", this.numChecks); |
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126 | } |
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127 | |
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128 | @Override |
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129 | public boolean onCreateOptionsMenu(Menu menu) { |
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130 | |
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131 | /*getMenuInflater().inflate(R.menu.keychain_menu, menu);*/ |
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132 | return true; |
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133 | } |
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134 | |
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135 | @Override |
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136 | public boolean onOptionsItemSelected(MenuItem item) { |
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137 | |
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138 | switch (item.getItemId()) { |
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139 | case R.id.change_password: |
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140 | changePassword(); |
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141 | return true; |
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142 | |
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143 | default: |
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144 | return super.onOptionsItemSelected(item); |
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145 | } |
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146 | } |
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147 | |
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148 | @Override |
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149 | public void onClick(View view) { |
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150 | |
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151 | switch (view.getId()) { |
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152 | |
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153 | case R.id.cert_chooser_install_button: |
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154 | Intent intent = new Intent(this, PKCS12FilePickerActivity.class); |
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155 | startActivityForResult(intent, ActivityResult.IMPORT_CERTIFICATE); |
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156 | break; |
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157 | |
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158 | case R.id.button_cancel: |
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159 | setResult(RESULT_CANCELED); |
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160 | finish(); |
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161 | break; |
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162 | |
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163 | case R.id.button_accept: |
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164 | if (this.numChecks==1){ |
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165 | acceptSelectedCertificate(); |
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166 | } |
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167 | |
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168 | break; |
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169 | |
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170 | case R.id.button_delete: |
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171 | if (this.numChecks>0) |
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172 | deleteSelectedCertificates(); |
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173 | break; |
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174 | |
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175 | } |
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176 | } |
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177 | |
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178 | |
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179 | |
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180 | |
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181 | private void acceptSelectedCertificate() { |
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182 | |
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183 | Toast.makeText(this, "accept", Toast.LENGTH_LONG).show(); |
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184 | SparseBooleanArray checkedItems = this.viewHolder.aliases.getCheckedItemPositions(); |
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185 | boolean found=false; |
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186 | int firstPosition=-1; |
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187 | |
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188 | for (int i = 0; i < checkedItems.size() && found==false; i++) { |
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189 | |
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190 | Toast.makeText(this, "i="+i, Toast.LENGTH_LONG).show(); |
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191 | if( checkedItems.valueAt(i)== true){ |
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192 | found=true; |
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193 | firstPosition=checkedItems.keyAt(i); |
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194 | } |
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195 | } |
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196 | |
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197 | if (firstPosition!=-1){ |
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198 | KeyChainStrategy.activity.setAlias((String) this.viewHolder.aliases.getItemAtPosition(firstPosition)); |
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199 | setResult(Activity.RESULT_OK); |
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200 | finish(); |
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201 | } |
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202 | } |
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203 | |
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204 | |
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205 | private void deleteSelectedCertificates() { |
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206 | |
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207 | SparseBooleanArray checkedItems = this.viewHolder.aliases.getCheckedItemPositions(); |
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208 | |
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209 | for (int i = 0; i < checkedItems.size(); i++) { |
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210 | if(checkedItems.valueAt(i) == true){ |
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211 | |
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212 | try { |
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213 | int position = checkedItems.keyAt(i); |
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214 | KeyChainStrategy.getInstance().deleteCertificate( |
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215 | (String) this.viewHolder.aliases.getItemAtPosition(position)); |
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216 | } catch (KeystoreException e) { |
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217 | e.printStackTrace(); |
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218 | } catch (InterruptedException e) { |
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219 | e.printStackTrace(); |
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220 | } |
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221 | } |
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222 | } |
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223 | |
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224 | //Refresh adapter. NotifyDataSetChange didnt work. |
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225 | try { |
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226 | KeyChainActivity.this.viewHolder.aliases.setAdapter( |
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227 | new CertificateAdapter(KeyChainActivity.this.keyChain)); |
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228 | } catch (KeystoreException e) { |
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229 | e.printStackTrace(); |
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230 | } |
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231 | this.updateCheckedNumber(); |
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232 | this.updateButtons(); |
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233 | |
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234 | |
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235 | //Refresh KeyChain for external views. |
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236 | try { |
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237 | this.keyChain.saveKeystore(); |
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238 | this.keyChain.reloadKeyStore(); |
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239 | } catch (KeystoreException e) { |
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240 | } catch (OutOfSpaceError e) { |
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241 | } |
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242 | |
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243 | } |
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244 | |
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245 | |
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246 | @Override |
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247 | public void onItemClick(AdapterView<?> parent, View view, int item, long id) { |
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248 | this.updateCheckedNumber(); |
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249 | this.updateButtons(); |
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250 | } |
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251 | |
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252 | private void updateButtons() { |
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253 | this.viewHolder.delete.setEnabled(this.numChecks>0); |
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254 | this.viewHolder.accept.setEnabled(this.numChecks==1); |
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255 | |
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256 | } |
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257 | |
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258 | private void updateCheckedNumber() { |
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259 | SparseBooleanArray checkedItems = this.viewHolder.aliases.getCheckedItemPositions(); |
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260 | int count = 0; |
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261 | for (int i = 0; i < checkedItems.size(); i++) { |
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262 | if (checkedItems.valueAt(i)) |
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263 | count++; |
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264 | } |
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265 | this.numChecks = count; |
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266 | } |
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267 | |
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268 | @Override |
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269 | protected void onActivityResult(int requestCode, int resultCode, final Intent data) { |
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270 | |
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271 | if (requestCode == ActivityResult.IMPORT_CERTIFICATE && resultCode == Activity.RESULT_OK) { |
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272 | final PasswordDialog dialog = new PasswordDialog(this, R.string.certificate_password, false); |
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273 | dialog.setAcceptListener(new OnClickListener() { |
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274 | |
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275 | @Override |
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276 | public void onClick(View v) { |
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277 | |
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278 | try { |
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279 | int imported = KeyChainActivity.this.keyChain.importCertificate(data.getData(), dialog.getPassword()); |
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280 | KeyChainActivity.this.keyChain.saveKeystore(); |
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281 | String text = KeyChainActivity.this.getResources().getQuantityString(R.plurals.number_imported_certificates, imported, imported); |
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282 | Toast.makeText(KeyChainActivity.this, text, Toast.LENGTH_LONG).show(); |
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283 | KeyChainActivity.this.viewHolder.aliases.setAdapter( |
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284 | new CertificateAdapter(KeyChainActivity.this.keyChain)); |
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285 | } catch (IncorrectPasswordException e) { |
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286 | Toast toast = Toast.makeText(KeyChainActivity.this, R.string.incorrect_password, Toast.LENGTH_LONG); |
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287 | toast.show(); |
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288 | } catch (Exception e) { |
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289 | Toast toast = Toast.makeText(KeyChainActivity.this, R.string.error_reading_p12, Toast.LENGTH_LONG); |
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290 | toast.show(); |
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291 | } |
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292 | dialog.dismiss(); |
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293 | } |
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294 | }); |
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295 | dialog.show(); |
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296 | } |
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297 | } |
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298 | |
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299 | public void changePassword() { |
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300 | final PasswordConfirmationDialog dialog = |
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301 | new PasswordConfirmationDialog(this, R.string.keystore_new_password); |
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302 | dialog.setAcceptListener(new OnClickListener() { |
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303 | |
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304 | @Override |
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305 | public void onClick(View v) { |
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306 | String newPassword = dialog.getPassword(); |
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307 | dialog.dismiss(); |
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308 | try { |
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309 | KeyChainActivity.this.keyChain.saveKeystore(newPassword); |
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310 | Toast.makeText(KeyChainActivity.this, R.string.password_change_success, Toast.LENGTH_LONG).show(); |
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311 | } catch (OutOfSpaceError e) { |
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312 | Toast.makeText(KeyChainActivity.this, R.string.error_no_space, Toast.LENGTH_LONG).show(); |
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313 | } catch (KeystoreException e) { |
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314 | Toast.makeText(KeyChainActivity.this, R.string.error_unknown, Toast.LENGTH_LONG).show(); |
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315 | //throw new RuntimeException(e); |
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316 | } |
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317 | } |
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318 | }); |
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319 | dialog.show(); |
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320 | } |
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321 | |
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322 | |
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323 | private class CertificateAdapter extends BaseAdapter { |
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324 | |
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325 | private final List<String> aliases; |
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326 | private final List<String> subjects = new ArrayList<String>(); |
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327 | private CustomKeyChain keyChain; |
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328 | |
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329 | private CertificateAdapter(CustomKeyChain keyChain) |
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330 | throws KeystoreException { |
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331 | |
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332 | this.aliases = Collections.list(keyChain.getAliases()); |
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333 | this.subjects.addAll(Collections.nCopies(this.aliases.size(), (String) null)); |
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334 | this.keyChain = keyChain; |
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335 | } |
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336 | |
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337 | @Override public int getCount() { |
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338 | |
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339 | return this.aliases.size(); |
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340 | } |
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341 | |
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342 | @Override public String getItem(int adapterPosition) { |
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343 | |
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344 | return this.aliases.get(adapterPosition); |
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345 | } |
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346 | |
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347 | @Override public long getItemId(int adapterPosition) { |
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348 | |
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349 | return adapterPosition; |
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350 | } |
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351 | |
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352 | @Override public View getView(final int position, View convertView, ViewGroup parent) { |
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353 | |
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354 | if (convertView == null) { |
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355 | LayoutInflater inflater = LayoutInflater.from(KeyChainActivity.this); |
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356 | convertView = inflater.inflate(R.layout.cert_item, parent, false); |
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357 | } |
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358 | |
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359 | TextView aliasTextView = (TextView) convertView.findViewById(R.id.cert_item_alias); |
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360 | TextView subjectTextView = (TextView) convertView.findViewById(R.id.cert_item_subject); |
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361 | CheckBox checkBox = (CheckBox) convertView.findViewById(R.id.cert_item_selected); |
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362 | |
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363 | String alias = this.aliases.get(position); |
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364 | convertView.setTag(alias); |
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365 | aliasTextView.setText(alias); |
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366 | |
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367 | String subject = this.subjects.get(position); |
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368 | if (subject == null) { |
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369 | new CertLoader(position, subjectTextView, this.keyChain).execute(); |
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370 | } else { |
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371 | subjectTextView.setText(subject); |
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372 | } |
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373 | |
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374 | |
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375 | |
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376 | ListView lv = (ListView)parent; |
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377 | |
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378 | |
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379 | checkBox.setChecked(lv.getCheckedItemPositions().get(position)); |
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380 | |
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381 | return convertView; |
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382 | } |
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383 | |
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384 | private class CertLoader extends AsyncTask<Void, Void, String> { |
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385 | |
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386 | private final int adapterPosition; |
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387 | private final TextView subjectView; |
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388 | private CustomKeyChain keyChain; |
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389 | |
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390 | private CertLoader(int adapterPosition, TextView subjectView, CustomKeyChain keyChain) { |
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391 | |
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392 | this.adapterPosition = adapterPosition; |
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393 | this.subjectView = subjectView; |
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394 | this.keyChain = keyChain; |
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395 | } |
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396 | |
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397 | @Override protected String doInBackground(Void... params) { |
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398 | |
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399 | String alias = CertificateAdapter.this.aliases.get(this.adapterPosition); |
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400 | X509Certificate cert; |
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401 | try { |
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402 | cert = this.keyChain.getCertificateChain(alias)[0]; |
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403 | // bouncycastle can handle the emailAddress OID of 1.2.840.113549.1.9.1 |
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404 | return cert.getSubjectDN().getName(); |
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405 | } catch (KeystoreException e) { |
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406 | return ""; |
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407 | } |
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408 | } |
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409 | |
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410 | @Override protected void onPostExecute(String subjectString) { |
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411 | |
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412 | CertificateAdapter.this.subjects.set(this.adapterPosition, subjectString); |
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413 | this.subjectView.setText(subjectString); |
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414 | } |
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415 | } |
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416 | } |
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417 | |
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418 | private class KeyChainView { |
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419 | |
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420 | public ListView aliases; |
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421 | public TextView install; |
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422 | public ImageView accept; |
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423 | public ImageView cancel; |
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424 | public TextView delete; |
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425 | |
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426 | public KeyChainView() { |
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427 | |
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428 | setContentView(R.layout.cert_chooser); |
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429 | |
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430 | this.aliases = (ListView) findViewById(R.id.cert_chooser); |
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431 | this.aliases.setOnItemClickListener(KeyChainActivity.this); |
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432 | |
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433 | this.install = (TextView) findViewById(R.id.cert_chooser_install_button); |
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434 | this.install.setOnClickListener(KeyChainActivity.this); |
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435 | |
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436 | this.accept = (ImageView) findViewById(R.id.button_accept); |
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437 | this.accept.setOnClickListener(KeyChainActivity.this); |
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438 | |
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439 | this.cancel = (ImageView) findViewById(R.id.button_cancel); |
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440 | this.cancel.setOnClickListener(KeyChainActivity.this); |
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441 | |
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442 | this.delete = (TextView) findViewById(R.id.button_delete); |
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443 | this.delete.setOnClickListener(KeyChainActivity.this); |
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444 | |
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445 | } |
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446 | } |
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447 | } |
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