1 | package ve.gob.cenditel.tibisaymovil; |
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2 | |
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3 | import java.io.File; |
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4 | import java.io.FileOutputStream; |
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5 | import java.security.cert.X509Certificate; |
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6 | import java.text.SimpleDateFormat; |
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7 | import java.util.ArrayList; |
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8 | import java.util.Collections; |
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9 | import java.util.Date; |
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10 | |
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11 | import ee.sk.digidoc.DataFile; |
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12 | import ee.sk.digidoc.SignedDoc; |
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13 | import ee.sk.utils.ConfigManager; |
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14 | import ee.sk.xmlenc.EncryptedData; |
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15 | import ee.sk.xmlenc.EncryptedKey; |
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16 | |
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17 | import ve.gob.cenditel.tibisaymovil.R; |
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18 | import android.app.Activity; |
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19 | import android.app.AlertDialog; |
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20 | import android.content.Context; |
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21 | import android.content.DialogInterface; |
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22 | import android.content.Intent; |
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23 | import android.graphics.drawable.Drawable; |
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24 | import android.net.Uri; |
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25 | import android.os.Bundle; |
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26 | import android.os.Environment; |
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27 | import android.util.Log; |
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28 | import android.view.LayoutInflater; |
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29 | import android.view.View; |
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30 | import android.view.ViewGroup; |
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31 | import android.view.View.OnClickListener; |
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32 | import android.view.Window; |
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33 | import android.webkit.MimeTypeMap; |
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34 | import android.widget.AdapterView; |
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35 | import android.widget.ArrayAdapter; |
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36 | import android.widget.BaseAdapter; |
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37 | import android.widget.ImageView; |
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38 | import android.widget.LinearLayout; |
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39 | import android.widget.ListView; |
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40 | import android.widget.RadioButton; |
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41 | import android.widget.TextView; |
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42 | import android.widget.AdapterView.OnItemClickListener; |
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43 | import android.widget.Toast; |
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44 | |
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45 | public class SelectCertificateToEncryptActivity extends Activity implements OnItemClickListener, OnClickListener { |
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46 | |
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47 | private File cwd; |
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48 | private File selected; |
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49 | private FileBrowserView viewHolder; |
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50 | private FileListAdapter listAdapter; |
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51 | private String filterMImeType = "application/x-pem-file"; |
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52 | |
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53 | // cadena que mantiene la ruta del archivo a compartir |
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54 | private String fileToEncrypt = null; |
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55 | |
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56 | // cadena que mantiene la ruta del certificado del destinatario |
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57 | private String certificateToEncrypt = null; |
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58 | |
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59 | // cadena que mantiene la ruta del directorio de certificados |
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60 | String certificateDirFiles = null; |
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61 | |
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62 | // cadena que mantiene la ruta del directorio archivos cifrados |
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63 | String encrypted_dir_files = null; |
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64 | |
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65 | |
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66 | @Override |
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67 | protected void onCreate(Bundle savedInstanceState) { |
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68 | //Estilando la barra de titulo |
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69 | final boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); |
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70 | |
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71 | super.onCreate(savedInstanceState); |
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72 | |
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73 | this.viewHolder = new FileBrowserView(); |
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74 | |
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75 | |
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76 | // obtener la ruta del archivo que se va a cifrar |
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77 | Bundle bundle = getIntent().getExtras(); |
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78 | fileToEncrypt = bundle.getString("fileToEncrypt"); |
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79 | |
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80 | |
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81 | if (savedInstanceState != null) { |
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82 | if(savedInstanceState.getString("selected") != null) |
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83 | this.selected = new File(savedInstanceState.getString("selected")); |
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84 | |
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85 | if (this.selected != null) { |
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86 | |
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87 | SelectCertificateToEncryptActivity.this.updateButton |
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88 | (SelectCertificateToEncryptActivity.this.viewHolder.accept,true); |
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89 | |
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90 | } |
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91 | |
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92 | this.cwd = new File(savedInstanceState.getString("cwd")); |
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93 | this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter(this.cwd.getAbsolutePath(), filterMImeType)); |
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94 | |
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95 | } else { |
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96 | this.selected = null; |
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97 | //this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter()); |
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98 | |
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99 | |
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100 | certificateDirFiles = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + |
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101 | getResources().getString(R.string.app_name) + "/" + |
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102 | getResources().getString(R.string.certificates_dir) + "/"; |
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103 | |
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104 | this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter(certificateDirFiles, filterMImeType)); |
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105 | |
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106 | |
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107 | encrypted_dir_files = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + |
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108 | getResources().getString(R.string.app_name) + "/" + |
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109 | getResources().getString(R.string.encrypted_dir_files) + "/"; |
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110 | } |
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111 | |
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112 | |
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113 | boolean enabled = false; |
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114 | if (this.selected != null) |
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115 | enabled = this.viewHolder.accept.isEnabled(); |
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116 | |
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117 | SelectCertificateToEncryptActivity.this.updateButton |
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118 | (SelectCertificateToEncryptActivity.this.viewHolder.accept,enabled); |
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119 | |
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120 | //Estilando Barra de titulo |
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121 | if(customTitleSupported) |
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122 | getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.title_bar); |
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123 | } |
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124 | |
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125 | |
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126 | /** |
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127 | * Provides the data to be shown in the file browser ListView. |
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128 | * |
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129 | * @author José M. Prieto (jmprieto@emergya.com) |
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130 | */ |
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131 | private class FileListAdapter extends BaseAdapter { |
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132 | |
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133 | private final ArrayList<File> directories; |
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134 | private final ArrayList<File> files; |
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135 | |
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136 | private FileListAdapter() { |
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137 | this("/",filterMImeType); |
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138 | } |
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139 | |
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140 | private FileListAdapter(String location) { |
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141 | this(location, ""); |
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142 | } |
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143 | |
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144 | private FileListAdapter(String location, String filterMimeType) { |
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145 | Log.d("***location", location); |
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146 | Log.d("***filterMimeType", filterMimeType); |
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147 | |
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148 | directories = new ArrayList<File>(); |
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149 | files = new ArrayList<File>(); |
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150 | |
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151 | //Obtiene etiqueta que se colocará antes del path que visualizará el usuario |
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152 | String toPathText = SelectCertificateToEncryptActivity.this.getString(R.string.pathstring)+": "; |
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153 | //Coloca el texto de la etiqueta en la vista |
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154 | SelectCertificateToEncryptActivity.this.viewHolder.pathString.setText(toPathText); |
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155 | //Coloca el texto con el path actual |
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156 | SelectCertificateToEncryptActivity.this.viewHolder.path.setText(location); |
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157 | //Crea un objeto file cwd con la ubicacion dada en location |
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158 | SelectCertificateToEncryptActivity.this.cwd = new File(location); |
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159 | //Obtiene el directorio padre del objeto file cwd |
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160 | File parent = SelectCertificateToEncryptActivity.this.cwd.getParentFile(); |
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161 | //Si tiene un padre, lo agrega en la posición cero de la lista de directorios |
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162 | |
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163 | if (parent != null) { |
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164 | directories.add(0, parent); |
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165 | Log.d("***", "directories.add(0, parent)"); |
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166 | Log.d("***", parent.getAbsolutePath()); |
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167 | } |
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168 | |
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169 | Log.d("***cwd", SelectCertificateToEncryptActivity.this.cwd.getAbsolutePath()); |
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170 | |
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171 | //Crea un arreglo con las lista de archivos contenidos en el directorio cwd |
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172 | File[] ls = SelectCertificateToEncryptActivity.this.cwd.listFiles(); |
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173 | if (ls != null) { |
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174 | |
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175 | Log.d("***", "ls != null"); |
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176 | for (File f : ls) { //recorre todos los archivos contenidos en el directorio |
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177 | |
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178 | if (FsUtils.isHiddenOrNotReadable(f)) { // Si son ocultos no hace nada |
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179 | Log.d("***", "archivo oculto o no legible"); |
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180 | continue; |
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181 | } |
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182 | // Si son directorios los agrega a la lista de directorios a partir de la posición 1 |
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183 | // En la posición 0 se encuentra el directorio padre |
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184 | if (f.isDirectory()) { |
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185 | directories.add(f); |
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186 | Log.d("***", "directories.add(f)"); |
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187 | } else // De lo contrario lo agrega a la lista de archivos |
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188 | { |
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189 | Log.d("***", "agregar archivo a la lista"); |
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190 | //Valida tipo de archivo a mostrar |
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191 | Uri selectedUri = Uri.fromFile(f); |
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192 | String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString()); |
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193 | String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension); |
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194 | |
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195 | //Toast.makeText(SelectCertificateToEncryptActivity.this, |
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196 | //"FileExtension: " + fileExtension + "\n" + |
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197 | //"MimeType: " + mimeType, |
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198 | //Toast.LENGTH_LONG).show(); |
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199 | |
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200 | |
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201 | //Filtra por mimeType: se consideran los .pem .crt .cer |
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202 | //if(filterMimeType.isEmpty() || /*filterMimeType == mimeType*/ fileExtension.equals("pem") |
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203 | if(fileExtension.equals("pem") || fileExtension.equals("crt") || fileExtension.equals("cer")) |
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204 | files.add(f); |
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205 | |
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206 | } |
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207 | } |
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208 | }else{ |
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209 | Log.d("***", "ls == null"); |
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210 | } |
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211 | |
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212 | Collections.sort(directories); // Ordena los directorios alfabeticamente |
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213 | Collections.sort(files); // Ordena los archivos alfabeticamente |
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214 | } |
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215 | |
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216 | /** |
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217 | * Retorna cantidad total de elementos que se listarán en el directorio. |
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218 | */ |
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219 | @Override |
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220 | public int getCount() { |
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221 | |
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222 | return directories.size() + files.size(); |
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223 | |
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224 | } |
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225 | |
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226 | /** |
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227 | * Dada una posición en el listado del directorio, retorna un archivo o directorio |
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228 | * según corresponda. |
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229 | */ |
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230 | @Override |
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231 | public File getItem(int position) { |
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232 | |
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233 | if (position < directories.size()) { |
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234 | return directories.get(position); |
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235 | } else { |
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236 | return files.get(position - directories.size()); |
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237 | } |
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238 | } |
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239 | |
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240 | /** |
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241 | * Retorna un código hash para el archivo, permite comparar si dos archivos son los mismos |
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242 | */ |
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243 | @Override |
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244 | public long getItemId(int position) { |
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245 | |
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246 | return getItem(position).hashCode(); |
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247 | } |
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248 | |
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249 | /** |
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250 | * Crea la visualización de cada item del fileBrowser |
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251 | */ |
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252 | @Override |
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253 | public View getView(int position, View convertView, ViewGroup parent) { |
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254 | |
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255 | //Crea la vista de cada fila del filebrowser a partir del layout |
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256 | if (convertView == null) { |
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257 | LayoutInflater inflater = LayoutInflater.from(SelectCertificateToEncryptActivity.this); |
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258 | convertView = inflater.inflate(R.layout.file_to_verify_bdoc_signature_item, parent, false); |
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259 | } |
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260 | |
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261 | // Se enlaza a cada componente del layout |
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262 | ImageView image = (ImageView) convertView.findViewById(R.id.type_image); |
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263 | TextView fileName = (TextView) convertView.findViewById(R.id.filename_text); |
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264 | TextView modified = (TextView) convertView.findViewById(R.id.filename_modified); |
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265 | |
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266 | // Se obtiene el archivo ubicado en position |
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267 | File file = getItem(position); |
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268 | |
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269 | //RadioButton |
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270 | RadioButton radio = (RadioButton) convertView.findViewById(R.id.file_radio); |
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271 | radio.setFocusable(false); |
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272 | |
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273 | // Se asignan los iconos según el tipo de archivo y se oculta el radio en los directorios |
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274 | if (file.isDirectory()) { |
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275 | image.setImageResource(R.drawable.ic_carpeta); |
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276 | radio.setVisibility(View.INVISIBLE); |
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277 | radio.setChecked(false); |
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278 | } else { |
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279 | image.setImageResource(R.drawable.ic_archivo); |
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280 | radio.setVisibility(View.VISIBLE); |
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281 | |
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282 | if (SelectCertificateToEncryptActivity.this.selected == null || |
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283 | SelectCertificateToEncryptActivity.this.selected.hashCode() != file.hashCode()){ |
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284 | radio.setChecked(false); |
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285 | } else{ |
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286 | radio.setChecked(true); |
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287 | } |
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288 | } |
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289 | |
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290 | // Si es el directorio que hace referencia al padre le coloca como nombre ".." |
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291 | if (file.isDirectory() && position == 0 && ! "/".equals(SelectCertificateToEncryptActivity.this.cwd.getAbsolutePath())) { |
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292 | fileName.setText(".."); |
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293 | } else { |
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294 | fileName.setText(file.getName()); |
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295 | } |
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296 | |
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297 | |
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298 | //Datos de modificación del archivo |
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299 | SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy"); |
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300 | Date date = new Date(file.lastModified()); |
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301 | |
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302 | String dateString = SelectCertificateToEncryptActivity.this.getString(R.string.modified)+": "; |
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303 | if (file.lastModified()>0) |
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304 | modified.setText(dateString+sdf.format(date)); |
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305 | else |
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306 | modified.setText(dateString+"-"); |
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307 | |
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308 | return convertView; |
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309 | } |
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310 | |
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311 | /** |
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312 | * Controla la selección de cada item del fileBrowser |
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313 | */ |
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314 | public void select(ListView parent, int position) { |
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315 | |
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316 | File item = getItem(position); |
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317 | //Si es un directorio el seleccionado se hace un llamado del fileBrowser del directorio |
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318 | if (item.isDirectory()) { |
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319 | parent.setAdapter(SelectCertificateToEncryptActivity.this.listAdapter = new FileListAdapter(item.getAbsolutePath(), filterMImeType)); |
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320 | } else { // Si es un archivo |
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321 | |
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322 | //Se agrega el archivo a la lista de seleccionados si no se encuentra en la misma |
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323 | if (SelectCertificateToEncryptActivity.this.selected == null || |
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324 | SelectCertificateToEncryptActivity.this.selected.hashCode() != item.hashCode()){ |
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325 | |
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326 | SelectCertificateToEncryptActivity.this.selected = item; |
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327 | |
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328 | SelectCertificateToEncryptActivity.this.updateButton(SelectCertificateToEncryptActivity.this.viewHolder.accept,true); |
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329 | |
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330 | } |
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331 | else{ // De lo contrario se elimina de la lista de seleccionados |
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332 | |
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333 | SelectCertificateToEncryptActivity.this.selected = null; |
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334 | SelectCertificateToEncryptActivity.this.updateButton(SelectCertificateToEncryptActivity.this.viewHolder.accept,false); |
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335 | |
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336 | } |
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337 | notifyDataSetChanged(); |
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338 | } |
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339 | } |
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340 | } |
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341 | |
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342 | |
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343 | |
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344 | |
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345 | @Override |
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346 | protected void onSaveInstanceState(Bundle outState) { |
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347 | super.onSaveInstanceState(outState); |
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348 | |
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349 | outState.putParcelable("intent", this.getIntent()); |
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350 | outState.putString("cwd", this.cwd.getAbsolutePath()); |
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351 | if(this.selected != null) |
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352 | outState.putString("selected", this.selected.getAbsolutePath()); |
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353 | |
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354 | } |
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355 | |
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356 | private void updateButton(View v, boolean bool) { |
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357 | try{ |
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358 | |
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359 | v.setEnabled(bool); |
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360 | if (v instanceof TextView){ |
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361 | Drawable icon = ((TextView)v).getCompoundDrawables()[1]; |
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362 | if (icon!=null) |
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363 | if (bool) |
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364 | icon.setAlpha(255); |
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365 | else |
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366 | icon.setAlpha(127); |
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367 | } |
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368 | if (v instanceof ImageView){ |
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369 | ImageView result = (ImageView) v; |
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370 | if (bool) |
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371 | result.setAlpha(255); |
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372 | else |
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373 | result.setAlpha(127); |
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374 | } |
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375 | |
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376 | }catch(NullPointerException e){} |
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377 | |
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378 | } |
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379 | |
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380 | private void updateButton(LinearLayout layout, boolean bool) { |
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381 | try{ |
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382 | layout.setEnabled(bool); |
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383 | for (int i=0; i<layout.getChildCount();i++){ |
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384 | this.updateButton(layout.getChildAt(i), bool); |
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385 | } |
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386 | }catch(NullPointerException e){} |
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387 | |
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388 | } |
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389 | |
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390 | |
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391 | |
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392 | /** |
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393 | * Holds references to view objects. |
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394 | * |
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395 | * @author José M. Prieto (jmprieto@emergya.com) |
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396 | */ |
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397 | private class FileBrowserView { |
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398 | |
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399 | public ListView fileList; |
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400 | public TextView path; |
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401 | public LinearLayout accept; |
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402 | public LinearLayout clear; |
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403 | public TextView pathString; |
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404 | |
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405 | public FileBrowserView() { |
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406 | |
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407 | setContentView(R.layout.activity_select_certificate_to_encrypt); |
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408 | this.path = (TextView) findViewById(R.id.path); |
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409 | this.pathString = (TextView) findViewById(R.id.pathstring); |
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410 | |
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411 | this.fileList = (ListView) findViewById(R.id.file_list); |
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412 | this.fileList.setOnItemClickListener(SelectCertificateToEncryptActivity.this); |
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413 | this.fileList.setItemsCanFocus(true); |
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414 | |
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415 | |
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416 | this.clear = (LinearLayout) findViewById(R.id.button_clear_zone); |
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417 | this.clear.setOnClickListener(SelectCertificateToEncryptActivity.this); |
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418 | |
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419 | this.accept = (LinearLayout) findViewById(R.id.button_accept_zone); |
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420 | this.accept.setOnClickListener(SelectCertificateToEncryptActivity.this); |
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421 | |
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422 | } |
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423 | } |
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424 | |
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425 | @Override |
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426 | public void onItemClick(AdapterView<?> parent, View view, int position, long id) { |
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427 | |
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428 | |
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429 | if (parent.getId() == R.id.file_list) { // user selects a file |
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430 | this.listAdapter.select((ListView) parent, position); |
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431 | |
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432 | } else { // user de-selects a file |
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433 | //this.listAdapter.addIfSameDirectory(selectedAdapter.doUnselect((ListView) parent, position)); |
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434 | |
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435 | } |
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436 | //this.viewHolder.numSelected.setText(Integer.toString(this.selected.size())); |
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437 | } |
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438 | |
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439 | @Override |
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440 | public void onClick(View v) { |
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441 | |
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442 | switch (v.getId()) { |
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443 | |
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444 | |
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445 | case R.id.button_clear_zone: |
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446 | |
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447 | this.selected = null; |
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448 | this.listAdapter.notifyDataSetChanged(); |
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449 | |
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450 | //this.viewHolder.numSelected.setText(""+this.selected.size()); |
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451 | this.updateButton(this.viewHolder.accept, false); |
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452 | break; |
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453 | |
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454 | |
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455 | |
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456 | case R.id.button_accept_zone: |
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457 | |
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458 | // lanzar intent para compartir el archivo seleccionado |
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459 | //fileToEncrypt = SelectCertificateToEncryptActivity.this.selected.getAbsolutePath(); |
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460 | certificateToEncrypt = SelectCertificateToEncryptActivity.this.selected.getAbsolutePath(); |
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461 | |
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462 | Toast.makeText(getApplicationContext(), "SelectCertificateToEncryptActivity: "+certificateToEncrypt, Toast.LENGTH_SHORT).show(); |
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463 | |
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464 | |
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465 | encryptFile(fileToEncrypt, certificateToEncrypt); |
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466 | |
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467 | break; |
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468 | |
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469 | } |
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470 | } |
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471 | |
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472 | |
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473 | // funcion para compartir el archivo |
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474 | private void shareIt() { |
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475 | |
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476 | Intent shareIntent = new Intent(); |
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477 | shareIntent.setAction(Intent.ACTION_SEND); |
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478 | File file = new File(fileToEncrypt); |
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479 | |
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480 | |
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481 | Uri uri = Uri.fromFile(file); |
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482 | Log.i("DEBUG", file.getPath()); |
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483 | //Log.d("******", getMimeType(file.getPath())); |
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484 | //shareIntent.setDataAndType(uri, getMimeType(file.getPath())); |
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485 | shareIntent.putExtra(Intent.EXTRA_STREAM, uri); |
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486 | shareIntent.setType("application/*"); |
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487 | startActivity(Intent.createChooser(shareIntent, getResources().getText(R.string.share_it_using))); |
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488 | } |
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489 | |
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490 | |
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491 | /** |
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492 | * Cifra el archivo pasado como argumento |
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493 | * |
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494 | * @return void |
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495 | */ |
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496 | // funcion para desplegar el gestor de certificados de destinatarios para cifrar |
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497 | private void encryptFile(String fileToEncrypt, String certificateToEncrypt) { |
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498 | |
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499 | Toast.makeText(getApplicationContext(), "Encrypting file: " + fileToEncrypt, Toast.LENGTH_SHORT).show(); |
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500 | |
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501 | // TODO chequear que se pueda escribir en el directorio /mnt/sdcard/TibisayMovil/EncryptedFiles |
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502 | // chequear disponibilidad de directorio de certificados |
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503 | if (!checkCertificatesDirectoryAvailability()){ |
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504 | Toast.makeText(getApplicationContext(), "SelectCertificateToEncryptActivity: directorio no disponible", Toast.LENGTH_SHORT).show(); |
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505 | |
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506 | finish(); |
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507 | return; |
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508 | } |
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509 | |
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510 | |
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511 | ConfigManager.init("jar://jdigidoc.cfg"); |
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512 | Log.d("despues de:", "ConfigManager.init"); |
---|
513 | |
---|
514 | /** signed doc object if used */ |
---|
515 | SignedDoc m_sdoc; |
---|
516 | m_sdoc = null; |
---|
517 | |
---|
518 | /** encrypted data object if used */ |
---|
519 | EncryptedData m_cdoc; |
---|
520 | m_cdoc = null; |
---|
521 | |
---|
522 | String inFile = null, outFile = null; |
---|
523 | String certFile = null; |
---|
524 | String recipient = null; |
---|
525 | String keyName = null; |
---|
526 | String carriedKeyName = null; |
---|
527 | String sId = null; |
---|
528 | |
---|
529 | inFile = fileToEncrypt; |
---|
530 | certFile = certificateToEncrypt; |
---|
531 | |
---|
532 | // agregar el destinatario |
---|
533 | try { |
---|
534 | |
---|
535 | if (m_cdoc == null){ |
---|
536 | Log.d("m_cdoc == null", "-"); |
---|
537 | m_cdoc = new EncryptedData(null, null, null, EncryptedData.DENC_XMLNS_XMLENC, EncryptedData.DENC_ENC_METHOD_AES128); |
---|
538 | } |
---|
539 | Log.d("Adding recipient", certFile); |
---|
540 | X509Certificate recvCert = SignedDoc.readCertificate(new File(certFile)); |
---|
541 | if (recvCert != null && recipient == null) |
---|
542 | recipient = SignedDoc.getCommonName(recvCert.getSubjectDN().getName()); |
---|
543 | Log.d("Recipient", recipient); |
---|
544 | if (sId == null){ |
---|
545 | int n = m_cdoc.getNumKeys() + 1; |
---|
546 | sId = "ID" + n; |
---|
547 | |
---|
548 | } |
---|
549 | |
---|
550 | EncryptedKey ekey = new EncryptedKey(sId, recipient, EncryptedData.DENC_ENC_METHOD_RSA1_5, keyName, carriedKeyName, recvCert); |
---|
551 | m_cdoc.addEncryptedKey(ekey); |
---|
552 | |
---|
553 | |
---|
554 | }catch(Exception e){ |
---|
555 | Log.d("Error adding EncryptedKey: ", e.getMessage()); |
---|
556 | Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show(); |
---|
557 | |
---|
558 | showDialog(getResources().getString(R.string.msg_encryption_error), e.getMessage()); |
---|
559 | return; |
---|
560 | } |
---|
561 | |
---|
562 | // ejecutar el cifrado |
---|
563 | try { |
---|
564 | |
---|
565 | Log.d("Encrypting file:", inFile + " to: " + outFile); |
---|
566 | File fIn = new File(inFile); |
---|
567 | // create a ddoc intermediate file |
---|
568 | m_sdoc = new SignedDoc(SignedDoc.FORMAT_DIGIDOC_XML, SignedDoc.VERSION_1_3); |
---|
569 | |
---|
570 | Log.d("Encrypting file:", "paso new SignedDoc"); |
---|
571 | |
---|
572 | DataFile df = m_sdoc.addDataFile(new File(inFile), SignedDoc.xmlns_digidoc13, DataFile.CONTENT_EMBEDDED_BASE64); |
---|
573 | |
---|
574 | Log.d("Encrypting file:", "paso addDataFile"); |
---|
575 | |
---|
576 | |
---|
577 | byte[] data = SignedDoc.readFile(new File(inFile)); |
---|
578 | |
---|
579 | Log.d("Encrypting file:", "paso readFile"); |
---|
580 | |
---|
581 | df.setBase64Body(data); |
---|
582 | |
---|
583 | Log.d("Encrypting file:", "paso setBase64Body"); |
---|
584 | |
---|
585 | byte[] inData = m_sdoc.toXML().getBytes("UTF-8"); |
---|
586 | |
---|
587 | Log.d("Encrypting file:", "paso toXML()"); |
---|
588 | |
---|
589 | Log.d("Encrypting file", "Content: " + inFile + " size: " + data.length); |
---|
590 | Log.d("Encrypting file", "DF: " + new String(inData)); |
---|
591 | |
---|
592 | m_cdoc.setData(inData); |
---|
593 | m_cdoc.setDataStatus(EncryptedData.DENC_DATA_STATUS_UNENCRYPTED_AND_NOT_COMPRESSED); |
---|
594 | m_cdoc.addProperty(EncryptedData.ENCPROP_FILENAME, inFile + ".ddoc"); |
---|
595 | m_cdoc.setMimeType(EncryptedData.DENC_ENCDATA_TYPE_DDOC); |
---|
596 | StringBuffer sb = new StringBuffer(); |
---|
597 | sb.append(fIn.getName()); |
---|
598 | sb.append("|"); |
---|
599 | sb.append(new Long(fIn.length()).toString() + " B|"); |
---|
600 | sb.append("application/unknown|"); |
---|
601 | sb.append("/" + fIn.getName()); |
---|
602 | m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_FILE, sb.toString()); |
---|
603 | //m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_SIZE, new Long(inData.length).toString()); |
---|
604 | |
---|
605 | int nCompressOption = 0; |
---|
606 | |
---|
607 | m_cdoc.encrypt(nCompressOption); |
---|
608 | |
---|
609 | // genera el archivo cifrado en /data/data/ve.gob.cenditel/files |
---|
610 | //FileOutputStream fos = openFileOutput(outFile, Context.MODE_WORLD_WRITEABLE); |
---|
611 | |
---|
612 | outFile = encrypted_dir_files + fIn.getName()+".cdoc"; |
---|
613 | Toast.makeText(getApplicationContext(), "outFile: " + outFile, Toast.LENGTH_SHORT).show(); |
---|
614 | |
---|
615 | |
---|
616 | FileOutputStream fos = new FileOutputStream( outFile ); |
---|
617 | |
---|
618 | Log.d("Encrypting file", "antes de escribir archivo " + outFile); |
---|
619 | |
---|
620 | fos.write(m_cdoc.toXML()); |
---|
621 | |
---|
622 | Log.d("Encrypting file", "despues de escribir archivo " + outFile); |
---|
623 | |
---|
624 | fos.close(); |
---|
625 | |
---|
626 | Log.d("Encrypting file", "despues de cerrar archivo " + outFile); |
---|
627 | |
---|
628 | Toast.makeText(getApplicationContext(), "Cifrado correctamente: " + outFile, Toast.LENGTH_SHORT).show(); |
---|
629 | |
---|
630 | |
---|
631 | } catch(Exception e) { |
---|
632 | Log.d("Error encrypting file: ", inFile + " - " + e.getMessage()); |
---|
633 | e.printStackTrace(System.err); |
---|
634 | Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show(); |
---|
635 | |
---|
636 | showDialog(getResources().getString(R.string.msg_encryption_error), e.getMessage()); |
---|
637 | return; |
---|
638 | } |
---|
639 | |
---|
640 | // lanzar la actividad para mostrar el resultado del cifrado |
---|
641 | showEncryptionResults(fileToEncrypt, outFile, recipient); |
---|
642 | |
---|
643 | |
---|
644 | |
---|
645 | } // fin de selectRecipientCertificate() |
---|
646 | |
---|
647 | |
---|
648 | |
---|
649 | /** |
---|
650 | * Chequea la disponibilidad del directorio de /TibisayMovil/CertificatesToEncrypt |
---|
651 | * @return boolean |
---|
652 | */ |
---|
653 | private boolean checkCertificatesDirectoryAvailability() { |
---|
654 | // verificar acceso al directorio /mnt/sdcard/TibisayMovil/EncryptedFiles |
---|
655 | boolean mExternalStorageAvailable = false; |
---|
656 | boolean mExternalStorageWriteable = false; |
---|
657 | String state = Environment.getExternalStorageState(); |
---|
658 | |
---|
659 | String certificatesDir = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + |
---|
660 | getResources().getString(R.string.app_name) + "/" + |
---|
661 | getResources().getString(R.string.encrypted_dir_files) + "/"; |
---|
662 | |
---|
663 | AlertDialog.Builder builder = new AlertDialog.Builder(SelectCertificateToEncryptActivity.this); |
---|
664 | |
---|
665 | |
---|
666 | if (Environment.MEDIA_MOUNTED.equals(state)) { |
---|
667 | // We can read and write the media |
---|
668 | mExternalStorageAvailable = mExternalStorageWriteable = true; |
---|
669 | Toast.makeText(getApplicationContext(), "We can read and write the media", Toast.LENGTH_SHORT).show(); |
---|
670 | |
---|
671 | // Crear directorio CertificatesToEncrypt donde se almacenan los certificados de |
---|
672 | // destinatarios para cifrado |
---|
673 | /* |
---|
674 | String certificatesDir = Environment.getExternalStorageDirectory() + "/" + |
---|
675 | getResources().getString(R.string.app_name) + "/" + |
---|
676 | getResources().getString(R.string.certificates_dir) + "/"; |
---|
677 | */ |
---|
678 | if (prepareDirectory(certificatesDir)){ |
---|
679 | return true; |
---|
680 | }else{ |
---|
681 | builder.setMessage("No existe el directorio "+certificatesDir+" para almacenar certificados.").setTitle("Error:"); |
---|
682 | |
---|
683 | } |
---|
684 | |
---|
685 | } else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { |
---|
686 | // We can only read the media |
---|
687 | mExternalStorageAvailable = true; |
---|
688 | mExternalStorageWriteable = false; |
---|
689 | Toast.makeText(getApplicationContext(), "We can only read the media", Toast.LENGTH_SHORT).show(); |
---|
690 | |
---|
691 | builder.setMessage("Directorio "+certificatesDir+ " montado de solo lectura. No se pueden almancenar certificados.").setTitle("Error:"); |
---|
692 | |
---|
693 | |
---|
694 | } else { |
---|
695 | // Something else is wrong. It may be one of many other states, but all we need |
---|
696 | // to know is we can neither read nor write |
---|
697 | mExternalStorageAvailable = mExternalStorageWriteable = false; |
---|
698 | Toast.makeText(getApplicationContext(), "we can neither read nor write", Toast.LENGTH_SHORT).show(); |
---|
699 | |
---|
700 | builder.setMessage("Directorio "+certificatesDir+ " no está disponible. No se pueden almancenar certificados.").setTitle("Error:"); |
---|
701 | |
---|
702 | } |
---|
703 | |
---|
704 | |
---|
705 | builder.setNegativeButton("Cancelar", new DialogInterface.OnClickListener() { |
---|
706 | public void onClick(DialogInterface dialog, int id) { |
---|
707 | // User cancelled the dialog |
---|
708 | SelectCertificateToEncryptActivity.this.finish(); |
---|
709 | } |
---|
710 | }); |
---|
711 | AlertDialog dialog = builder.create(); |
---|
712 | dialog.show(); |
---|
713 | return false; |
---|
714 | } // fin de checkCertificatesDirectoryAvailability |
---|
715 | |
---|
716 | |
---|
717 | /** |
---|
718 | * Prepara directorio |
---|
719 | * @return boolean |
---|
720 | */ |
---|
721 | boolean prepareDirectory(String dir) |
---|
722 | { |
---|
723 | try |
---|
724 | { |
---|
725 | if (makedirs(dir)) |
---|
726 | { |
---|
727 | return true; |
---|
728 | } else { |
---|
729 | return false; |
---|
730 | } |
---|
731 | } catch (Exception e) |
---|
732 | { |
---|
733 | e.printStackTrace(); |
---|
734 | Toast.makeText(this, "Could not initiate File System.. Is Sdcard mounted properly?", Toast.LENGTH_LONG).show(); |
---|
735 | return false; |
---|
736 | } |
---|
737 | } |
---|
738 | |
---|
739 | /** |
---|
740 | * Crea directorio utilizando la variable tmpDir |
---|
741 | * @return boolean |
---|
742 | */ |
---|
743 | private boolean makedirs(String dir) |
---|
744 | { |
---|
745 | //File tempdir = new File(extractedDirFiles); |
---|
746 | File tempdir = new File(dir); |
---|
747 | if (!tempdir.exists()) |
---|
748 | tempdir.mkdirs(); |
---|
749 | return (tempdir.isDirectory()); |
---|
750 | } |
---|
751 | |
---|
752 | /** |
---|
753 | * Crea un dialogo con el titulo y mensaje como argumentos y lo despliega |
---|
754 | * |
---|
755 | * @return void |
---|
756 | */ |
---|
757 | public void showDialog(String title, String msg) { |
---|
758 | |
---|
759 | // 1. Instantiate an AlertDialog.Builder with its constructor |
---|
760 | AlertDialog.Builder builder = new AlertDialog.Builder(SelectCertificateToEncryptActivity.this); |
---|
761 | |
---|
762 | // 2. Chain together various setter methods to set the dialog characteristics |
---|
763 | builder.setMessage(msg) |
---|
764 | .setTitle(title); |
---|
765 | |
---|
766 | builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() { |
---|
767 | public void onClick(DialogInterface dialog, int id) { |
---|
768 | // User clicked OK button |
---|
769 | Toast.makeText(getApplicationContext(), "User clicked OK button", Toast.LENGTH_LONG).show(); |
---|
770 | finish(); |
---|
771 | |
---|
772 | // lanzar el activity EncryptionCertificatesActivity |
---|
773 | |
---|
774 | } |
---|
775 | }); |
---|
776 | |
---|
777 | // 3. Get the AlertDialog from create() |
---|
778 | AlertDialog dialog = builder.create(); |
---|
779 | dialog.show(); |
---|
780 | } |
---|
781 | |
---|
782 | /** |
---|
783 | * Muestra la actividad de información del proceso de cifrado |
---|
784 | * |
---|
785 | * @return void |
---|
786 | */ |
---|
787 | public void showEncryptionResults(String fileToEncrypt, String encryptedFile, String recipient) { |
---|
788 | |
---|
789 | // lanzar el activity EncryptionResultActivity |
---|
790 | Intent intent = new Intent(this, EncryptionResultActivity.class); |
---|
791 | intent.putExtra("fileToEncrypt", fileToEncrypt); |
---|
792 | intent.putExtra("encryptedFile", encryptedFile); |
---|
793 | intent.putExtra("recipient", recipient); |
---|
794 | |
---|
795 | startActivity(intent); |
---|
796 | |
---|
797 | |
---|
798 | } |
---|
799 | |
---|
800 | |
---|
801 | |
---|
802 | |
---|
803 | } |
---|
804 | |
---|