1 | package ve.gob.cenditel.tibisaymovil; |
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2 | |
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3 | import java.security.cert.X509Certificate; |
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4 | import java.util.ArrayList; |
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5 | import java.util.Collections; |
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6 | import java.util.List; |
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7 | |
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8 | import android.content.Context; |
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9 | import android.os.AsyncTask; |
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10 | import android.view.LayoutInflater; |
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11 | import android.view.View; |
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12 | import android.view.ViewGroup; |
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13 | import android.widget.BaseAdapter; |
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14 | import android.widget.CheckBox; |
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15 | import android.widget.ListView; |
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16 | import android.widget.TextView; |
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17 | |
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18 | |
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19 | |
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20 | public class DirectCertificateAdapter extends BaseAdapter { |
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21 | |
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22 | private final List<String> aliases; |
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23 | private final List<String> subjects = new ArrayList<String>(); |
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24 | private DirectKeyChain keyChain; |
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25 | private Context context; |
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26 | |
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27 | public DirectCertificateAdapter(DirectKeyChain keyChain, Context context) |
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28 | throws KeystoreException { |
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29 | this.context=context; |
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30 | this.aliases = Collections.list(keyChain.getAliases()); |
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31 | this.subjects.addAll(Collections.nCopies(this.aliases.size(), (String) null)); |
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32 | this.keyChain = keyChain; |
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33 | } |
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34 | |
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35 | @Override public int getCount() { |
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36 | |
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37 | return this.aliases.size(); |
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38 | } |
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39 | |
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40 | @Override public String getItem(int adapterPosition) { |
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41 | |
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42 | return this.aliases.get(adapterPosition); |
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43 | } |
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44 | |
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45 | @Override public long getItemId(int adapterPosition) { |
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46 | |
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47 | return adapterPosition; |
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48 | } |
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49 | |
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50 | @Override public View getView(final int position, View convertView, ViewGroup parent) { |
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51 | |
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52 | if (convertView == null) { |
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53 | LayoutInflater inflater = LayoutInflater.from(this.context); |
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54 | convertView = inflater.inflate(R.layout.cert_item, parent, false); |
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55 | } |
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56 | |
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57 | TextView aliasTextView = (TextView) convertView.findViewById(R.id.cert_item_alias); |
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58 | TextView subjectTextView = (TextView) convertView.findViewById(R.id.cert_item_subject); |
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59 | CheckBox checkBox = (CheckBox) convertView.findViewById(R.id.cert_item_selected); |
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60 | |
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61 | String alias = this.aliases.get(position); |
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62 | convertView.setTag(alias); |
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63 | aliasTextView.setText(alias); |
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64 | |
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65 | String subject = this.subjects.get(position); |
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66 | if (subject == null) { |
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67 | new CertLoader(position, subjectTextView, this.keyChain).execute(); |
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68 | } else { |
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69 | subjectTextView.setText(subject); |
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70 | } |
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71 | |
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72 | |
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73 | |
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74 | ListView lv = (ListView)parent; |
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75 | /* |
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76 | //Old monochoice code. |
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77 | int listViewCheckedItemPosition = lv.getCheckedItemPosition(); |
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78 | int adapterCheckedItemPosition = listViewCheckedItemPosition; |
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79 | checkBox.setChecked(position == adapterCheckedItemPosition); |
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80 | */ |
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81 | checkBox.setChecked(lv.getCheckedItemPositions().get(position)); |
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82 | |
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83 | return convertView; |
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84 | } |
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85 | |
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86 | private class CertLoader extends AsyncTask<Void, Void, String> { |
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87 | |
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88 | private final int adapterPosition; |
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89 | private final TextView subjectView; |
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90 | private DirectKeyChain keyChain; |
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91 | |
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92 | private CertLoader(int adapterPosition, TextView subjectView, DirectKeyChain keyChain) { |
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93 | |
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94 | this.adapterPosition = adapterPosition; |
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95 | this.subjectView = subjectView; |
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96 | this.keyChain = keyChain; |
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97 | } |
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98 | |
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99 | @Override protected String doInBackground(Void... params) { |
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100 | |
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101 | String alias = DirectCertificateAdapter.this.aliases.get(this.adapterPosition); |
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102 | X509Certificate cert; |
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103 | try { |
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104 | cert = this.keyChain.getCertificateChain(alias)[0]; |
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105 | // bouncycastle can handle the emailAddress OID of 1.2.840.113549.1.9.1 |
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106 | return cert.getSubjectDN().getName(); |
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107 | } catch (KeystoreException e) { |
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108 | return ""; |
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109 | } |
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110 | } |
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111 | |
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112 | @Override protected void onPostExecute(String subjectString) { |
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113 | |
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114 | DirectCertificateAdapter.this.subjects.set(this.adapterPosition, subjectString); |
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115 | this.subjectView.setText(subjectString); |
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116 | } |
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117 | } |
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118 | } |
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