/* Tibisay Movil Copyright (C) 2013 Antonio Araujo (aaraujo@cenditel.gob.ve), Jose Ruiz (jruiz@cenditel.gob.ve), Fundacion Centro Nacional de Desarrollo e Investigacion en Tecnologias Libres - CENDITEL. La Fundación CENDITEL concede permiso para usar, copiar, distribuir y/o modificar este programa, reconociendo el derecho que la humanidad posee al libre acceso al conocimiento, bajo los términos de la licencia de software GPL versión 2.0 de la Free Software Foundation. Este programa se distribuye con la esperanza de que sea util, pero SIN NINGUNA GARANTIA; tampoco las implicitas garantias de MERCANTILIDAD o ADECUACION A UN PROPOSITO PARTICULAR. Para mayor información sobre los términos de la licencia ver el archivo llamado "gpl-2.0.txt" en ingles. */ package ve.gob.cenditel.tibisaymovil; import java.io.File; import java.io.FileOutputStream; import java.security.cert.X509Certificate; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Collections; import java.util.Date; import ee.sk.digidoc.DataFile; import ee.sk.digidoc.SignedDoc; import ee.sk.utils.ConfigManager; import ee.sk.xmlenc.EncryptedData; import ee.sk.xmlenc.EncryptedKey; import ve.gob.cenditel.tibisaymovil.R; import android.app.Activity; import android.app.AlertDialog; import android.app.ProgressDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.AsyncTask; import android.os.Bundle; import android.os.Environment; import android.os.Looper; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.View.OnClickListener; import android.view.Window; import android.webkit.MimeTypeMap; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.BaseAdapter; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.RadioButton; import android.widget.TextView; import android.widget.AdapterView.OnItemClickListener; import android.widget.Toast; public class SelectCertificateToEncryptActivity extends Activity implements OnItemClickListener, OnClickListener { private File cwd; private File selected; private FileBrowserView viewHolder; private FileListAdapter listAdapter; private String filterMImeType = "application/x-pem-file"; // cadena que mantiene la ruta del archivo a compartir private String fileToEncrypt = null; // cadena que mantiene la ruta del certificado del destinatario private String certificateToEncrypt = null; // cadena que mantiene la ruta del directorio de certificados String certificateDirFiles = null; // cadena que mantiene la ruta del directorio archivos cifrados String encrypted_dir_files = null; @Override protected void onCreate(Bundle savedInstanceState) { //Estilando la barra de titulo final boolean customTitleSupported = requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); super.onCreate(savedInstanceState); this.viewHolder = new FileBrowserView(); // obtener la ruta del archivo que se va a cifrar Bundle bundle = getIntent().getExtras(); fileToEncrypt = bundle.getString("fileToEncrypt"); if (savedInstanceState != null) { if(savedInstanceState.getString("selected") != null) this.selected = new File(savedInstanceState.getString("selected")); if (this.selected != null) { SelectCertificateToEncryptActivity.this.updateButton (SelectCertificateToEncryptActivity.this.viewHolder.accept,true); } this.cwd = new File(savedInstanceState.getString("cwd")); this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter(this.cwd.getAbsolutePath(), filterMImeType)); } else { this.selected = null; //this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter()); certificateDirFiles = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + getResources().getString(R.string.app_name) + "/" + getResources().getString(R.string.certificates_dir) + "/"; this.viewHolder.fileList.setAdapter(this.listAdapter = new FileListAdapter(certificateDirFiles, filterMImeType)); encrypted_dir_files = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + getResources().getString(R.string.app_name) + "/" + getResources().getString(R.string.encrypted_dir_files) + "/"; } boolean enabled = false; if (this.selected != null) enabled = this.viewHolder.accept.isEnabled(); SelectCertificateToEncryptActivity.this.updateButton (SelectCertificateToEncryptActivity.this.viewHolder.accept,enabled); //Estilando Barra de titulo if(customTitleSupported) getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.title_bar); } /** * Provides the data to be shown in the file browser ListView. * * @author José M. Prieto (jmprieto@emergya.com) */ private class FileListAdapter extends BaseAdapter { private final ArrayList directories; private final ArrayList files; private FileListAdapter() { this("/",filterMImeType); } private FileListAdapter(String location) { this(location, ""); } private FileListAdapter(String location, String filterMimeType) { Log.d("***location", location); Log.d("***filterMimeType", filterMimeType); directories = new ArrayList(); files = new ArrayList(); //Obtiene etiqueta que se colocará antes del path que visualizará el usuario String toPathText = SelectCertificateToEncryptActivity.this.getString(R.string.pathstring)+": "; //Coloca el texto de la etiqueta en la vista SelectCertificateToEncryptActivity.this.viewHolder.pathString.setText(toPathText); //Coloca el texto con el path actual SelectCertificateToEncryptActivity.this.viewHolder.path.setText(location); //Crea un objeto file cwd con la ubicacion dada en location SelectCertificateToEncryptActivity.this.cwd = new File(location); //Obtiene el directorio padre del objeto file cwd File parent = SelectCertificateToEncryptActivity.this.cwd.getParentFile(); //Si tiene un padre, lo agrega en la posición cero de la lista de directorios if (parent != null) { directories.add(0, parent); Log.d("***", "directories.add(0, parent)"); Log.d("***", parent.getAbsolutePath()); } Log.d("***cwd", SelectCertificateToEncryptActivity.this.cwd.getAbsolutePath()); //Crea un arreglo con las lista de archivos contenidos en el directorio cwd File[] ls = SelectCertificateToEncryptActivity.this.cwd.listFiles(); if (ls != null) { Log.d("***", "ls != null"); for (File f : ls) { //recorre todos los archivos contenidos en el directorio if (FsUtils.isHiddenOrNotReadable(f)) { // Si son ocultos no hace nada Log.d("***", "archivo oculto o no legible"); continue; } // Si son directorios los agrega a la lista de directorios a partir de la posición 1 // En la posición 0 se encuentra el directorio padre if (f.isDirectory()) { directories.add(f); Log.d("***", "directories.add(f)"); } else // De lo contrario lo agrega a la lista de archivos { Log.d("***", "agregar archivo a la lista"); //Valida tipo de archivo a mostrar Uri selectedUri = Uri.fromFile(f); String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString()); String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension); //Toast.makeText(SelectCertificateToEncryptActivity.this, //"FileExtension: " + fileExtension + "\n" + //"MimeType: " + mimeType, //Toast.LENGTH_LONG).show(); //Filtra por mimeType: se consideran los .pem .crt .cer //if(filterMimeType.isEmpty() || /*filterMimeType == mimeType*/ fileExtension.equals("pem") if(fileExtension.equals("pem") || fileExtension.equals("crt") || fileExtension.equals("cer")) files.add(f); } } }else{ Log.d("***", "ls == null"); } Collections.sort(directories); // Ordena los directorios alfabeticamente Collections.sort(files); // Ordena los archivos alfabeticamente } /** * Retorna cantidad total de elementos que se listarán en el directorio. */ @Override public int getCount() { return directories.size() + files.size(); } /** * Dada una posición en el listado del directorio, retorna un archivo o directorio * según corresponda. */ @Override public File getItem(int position) { if (position < directories.size()) { return directories.get(position); } else { return files.get(position - directories.size()); } } /** * Retorna un código hash para el archivo, permite comparar si dos archivos son los mismos */ @Override public long getItemId(int position) { return getItem(position).hashCode(); } /** * Crea la visualización de cada item del fileBrowser */ @Override public View getView(int position, View convertView, ViewGroup parent) { //Crea la vista de cada fila del filebrowser a partir del layout if (convertView == null) { LayoutInflater inflater = LayoutInflater.from(SelectCertificateToEncryptActivity.this); convertView = inflater.inflate(R.layout.file_to_verify_bdoc_signature_item, parent, false); } // Se enlaza a cada componente del layout ImageView image = (ImageView) convertView.findViewById(R.id.type_image); TextView fileName = (TextView) convertView.findViewById(R.id.filename_text); TextView modified = (TextView) convertView.findViewById(R.id.filename_modified); // Se obtiene el archivo ubicado en position File file = getItem(position); //RadioButton RadioButton radio = (RadioButton) convertView.findViewById(R.id.file_radio); radio.setFocusable(false); // Se asignan los iconos según el tipo de archivo y se oculta el radio en los directorios if (file.isDirectory()) { image.setImageResource(R.drawable.ic_carpeta); radio.setVisibility(View.INVISIBLE); radio.setChecked(false); } else { image.setImageResource(R.drawable.ic_archivo); radio.setVisibility(View.VISIBLE); if (SelectCertificateToEncryptActivity.this.selected == null || SelectCertificateToEncryptActivity.this.selected.hashCode() != file.hashCode()){ radio.setChecked(false); } else{ radio.setChecked(true); } } // Si es el directorio que hace referencia al padre le coloca como nombre ".." if (file.isDirectory() && position == 0 && ! "/".equals(SelectCertificateToEncryptActivity.this.cwd.getAbsolutePath())) { fileName.setText(".."); } else { fileName.setText(file.getName()); } //Datos de modificación del archivo SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy"); Date date = new Date(file.lastModified()); String dateString = SelectCertificateToEncryptActivity.this.getString(R.string.modified)+": "; if (file.lastModified()>0) modified.setText(dateString+sdf.format(date)); else modified.setText(dateString+"-"); return convertView; } /** * Controla la selección de cada item del fileBrowser */ public void select(ListView parent, int position) { File item = getItem(position); //Si es un directorio el seleccionado se hace un llamado del fileBrowser del directorio if (item.isDirectory()) { parent.setAdapter(SelectCertificateToEncryptActivity.this.listAdapter = new FileListAdapter(item.getAbsolutePath(), filterMImeType)); } else { // Si es un archivo //Se agrega el archivo a la lista de seleccionados si no se encuentra en la misma if (SelectCertificateToEncryptActivity.this.selected == null || SelectCertificateToEncryptActivity.this.selected.hashCode() != item.hashCode()){ SelectCertificateToEncryptActivity.this.selected = item; SelectCertificateToEncryptActivity.this.updateButton(SelectCertificateToEncryptActivity.this.viewHolder.accept,true); } else{ // De lo contrario se elimina de la lista de seleccionados SelectCertificateToEncryptActivity.this.selected = null; SelectCertificateToEncryptActivity.this.updateButton(SelectCertificateToEncryptActivity.this.viewHolder.accept,false); } notifyDataSetChanged(); } } } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putParcelable("intent", this.getIntent()); outState.putString("cwd", this.cwd.getAbsolutePath()); if(this.selected != null) outState.putString("selected", this.selected.getAbsolutePath()); } private void updateButton(View v, boolean bool) { try{ v.setEnabled(bool); if (v instanceof TextView){ Drawable icon = ((TextView)v).getCompoundDrawables()[1]; if (icon!=null) if (bool) icon.setAlpha(255); else icon.setAlpha(127); } if (v instanceof ImageView){ ImageView result = (ImageView) v; if (bool) result.setAlpha(255); else result.setAlpha(127); } }catch(NullPointerException e){} } private void updateButton(LinearLayout layout, boolean bool) { try{ layout.setEnabled(bool); for (int i=0; i parent, View view, int position, long id) { if (parent.getId() == R.id.file_list) { // user selects a file this.listAdapter.select((ListView) parent, position); } else { // user de-selects a file //this.listAdapter.addIfSameDirectory(selectedAdapter.doUnselect((ListView) parent, position)); } //this.viewHolder.numSelected.setText(Integer.toString(this.selected.size())); } @Override public void onClick(View v) { switch (v.getId()) { case R.id.button_clear_zone: this.selected = null; this.listAdapter.notifyDataSetChanged(); //this.viewHolder.numSelected.setText(""+this.selected.size()); this.updateButton(this.viewHolder.accept, false); break; case R.id.button_accept_zone: // lanzar intent para compartir el archivo seleccionado //fileToEncrypt = SelectCertificateToEncryptActivity.this.selected.getAbsolutePath(); certificateToEncrypt = SelectCertificateToEncryptActivity.this.selected.getAbsolutePath(); //Toast.makeText(getApplicationContext(), "SelectCertificateToEncryptActivity: "+certificateToEncrypt, Toast.LENGTH_SHORT).show(); encryptFile(fileToEncrypt, certificateToEncrypt); break; } } // funcion para compartir el archivo private void shareIt() { Intent shareIntent = new Intent(); shareIntent.setAction(Intent.ACTION_SEND); File file = new File(fileToEncrypt); Uri uri = Uri.fromFile(file); Log.i("DEBUG", file.getPath()); //Log.d("******", getMimeType(file.getPath())); //shareIntent.setDataAndType(uri, getMimeType(file.getPath())); shareIntent.putExtra(Intent.EXTRA_STREAM, uri); shareIntent.setType("application/*"); startActivity(Intent.createChooser(shareIntent, getResources().getText(R.string.share_it_using))); } /** * Cifra el archivo pasado como argumento * * @return void */ // funcion para desplegar el gestor de certificados de destinatarios para cifrar private void encryptFile(final String fileToEncrypt, final String certificateToEncrypt) { //Toast.makeText(getApplicationContext(), "Encrypting file: " + fileToEncrypt, Toast.LENGTH_SHORT).show(); // chequear disponibilidad de directorio de certificados if (!checkCertificatesDirectoryAvailability()){ //Toast.makeText(getApplicationContext(), "SelectCertificateToEncryptActivity: directorio no disponible", Toast.LENGTH_SHORT).show(); finish(); return; } // ********************* prueba de AsyncTask ****************************** AsyncTask> task = new AsyncTask>() { private ProgressDialog pd; @Override protected void onPreExecute() { pd = new ProgressDialog(SelectCertificateToEncryptActivity.this); pd.setTitle("Cifrando archivo"); pd.setMessage(getString(R.string.por_favor_epsere)); pd.setCancelable(false); pd.setIndeterminate(true); pd.show(); } @Override protected ArrayList doInBackground(Void... arg0) { /* try { Thread.sleep(3000); } catch(InterruptedException ex) { Thread.currentThread().interrupt(); } */ // para solventar error: // Can't create handler inside thread that has not called Looper.prepare() Looper.prepare(); // arreglo para almacenar resultado de la operacion ArrayList resultArray = new ArrayList(); resultArray.clear(); ConfigManager.init("jar://jdigidoc.cfg"); Log.d("despues de:", "ConfigManager.init"); // signed doc object if used SignedDoc m_sdoc; m_sdoc = null; // encrypted data object if used EncryptedData m_cdoc; m_cdoc = null; String inFile = null, outFile = null; String certFile = null; String recipient = null; String keyName = null; String carriedKeyName = null; String sId = null; inFile = fileToEncrypt; certFile = certificateToEncrypt; // agregar el destinatario try { if (m_cdoc == null){ Log.d("m_cdoc == null", "-"); m_cdoc = new EncryptedData(null, null, null, EncryptedData.DENC_XMLNS_XMLENC, EncryptedData.DENC_ENC_METHOD_AES128); } Log.d("Adding recipient", certFile); X509Certificate recvCert = SignedDoc.readCertificate(new File(certFile)); if (recvCert != null && recipient == null) recipient = SignedDoc.getCommonName(recvCert.getSubjectDN().getName()); Log.d("Recipient", recipient); if (sId == null){ int n = m_cdoc.getNumKeys() + 1; sId = "ID" + n; } EncryptedKey ekey = new EncryptedKey(sId, recipient, EncryptedData.DENC_ENC_METHOD_RSA1_5, keyName, carriedKeyName, recvCert); m_cdoc.addEncryptedKey(ekey); }catch(Exception e){ Log.d("Error adding EncryptedKey: ", e.getMessage()); Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show(); //showDialog(getResources().getString(R.string.msg_encryption_error), e.getMessage()); //return; resultArray.add("false"); resultArray.add(getResources().getString(R.string.msg_encryption_error)); resultArray.add(e.getMessage()); return resultArray; } // ejecutar el cifrado try { Log.d("Encrypting file:", inFile + " to: " + outFile); File fIn = new File(inFile); // create a ddoc intermediate file m_sdoc = new SignedDoc(SignedDoc.FORMAT_DIGIDOC_XML, SignedDoc.VERSION_1_3); Log.d("Encrypting file:", "paso new SignedDoc"); DataFile df = m_sdoc.addDataFile(new File(inFile), SignedDoc.xmlns_digidoc13, DataFile.CONTENT_EMBEDDED_BASE64); Log.d("Encrypting file:", "paso addDataFile"); byte[] data = SignedDoc.readFile(new File(inFile)); Log.d("Encrypting file:", "paso readFile"); df.setBase64Body(data); Log.d("Encrypting file:", "paso setBase64Body"); byte[] inData = m_sdoc.toXML().getBytes("UTF-8"); Log.d("Encrypting file:", "paso toXML()"); Log.d("Encrypting file", "Content: " + inFile + " size: " + data.length); Log.d("Encrypting file", "DF: " + new String(inData)); m_cdoc.setData(inData); m_cdoc.setDataStatus(EncryptedData.DENC_DATA_STATUS_UNENCRYPTED_AND_NOT_COMPRESSED); m_cdoc.addProperty(EncryptedData.ENCPROP_FILENAME, inFile + ".ddoc"); m_cdoc.setMimeType(EncryptedData.DENC_ENCDATA_TYPE_DDOC); StringBuffer sb = new StringBuffer(); sb.append(fIn.getName()); sb.append("|"); sb.append(new Long(fIn.length()).toString() + " B|"); sb.append("application/unknown|"); sb.append("/" + fIn.getName()); m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_FILE, sb.toString()); //m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_SIZE, new Long(inData.length).toString()); int nCompressOption = 0; m_cdoc.encrypt(nCompressOption); // genera el archivo cifrado en /data/data/ve.gob.cenditel/files //FileOutputStream fos = openFileOutput(outFile, Context.MODE_WORLD_WRITEABLE); outFile = encrypted_dir_files + fIn.getName()+".cdoc"; //Toast.makeText(getApplicationContext(), "outFile: " + outFile, Toast.LENGTH_SHORT).show(); FileOutputStream fos = new FileOutputStream( outFile ); Log.d("Encrypting file", "antes de escribir archivo " + outFile); fos.write(m_cdoc.toXML()); Log.d("Encrypting file", "despues de escribir archivo " + outFile); fos.close(); Log.d("Encrypting file", "despues de cerrar archivo " + outFile); Toast.makeText(getApplicationContext(), "Cifrado correctamente: " + outFile, Toast.LENGTH_SHORT).show(); // lanzar la actividad para mostrar el resultado del cifrado //showEncryptionResults(fileToEncrypt, outFile, recipient); resultArray.add("true"); // [0] resultArray.add(outFile); // [1] resultArray.add(recipient); // [2] } catch(Exception e) { Log.d("Error encrypting file: ", inFile + " - " + e.getMessage()); e.printStackTrace(System.err); Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show(); //showDialog(getResources().getString(R.string.msg_encryption_error), e.getMessage()); //return; resultArray.add("false"); resultArray.add(getResources().getString(R.string.msg_encryption_error)); resultArray.add(e.getMessage()); return resultArray; } return resultArray; } @Override protected void onPostExecute(ArrayList result) { if (result.get(0).equals("false")){ showDialog(result.get(1), result.get(2)); }else{ //showDialog(result.get(1), result.get(2), true); showEncryptionResults(fileToEncrypt, result.get(1), result.get(2)); } pd.dismiss(); } }; task.execute((Void[])null); // ********************* fin prueba de AsyncTask ****************************** /* ConfigManager.init("jar://jdigidoc.cfg"); Log.d("despues de:", "ConfigManager.init"); // signed doc object if used SignedDoc m_sdoc; m_sdoc = null; // encrypted data object if used EncryptedData m_cdoc; m_cdoc = null; String inFile = null, outFile = null; String certFile = null; String recipient = null; String keyName = null; String carriedKeyName = null; String sId = null; inFile = fileToEncrypt; certFile = certificateToEncrypt; // agregar el destinatario try { if (m_cdoc == null){ Log.d("m_cdoc == null", "-"); m_cdoc = new EncryptedData(null, null, null, EncryptedData.DENC_XMLNS_XMLENC, EncryptedData.DENC_ENC_METHOD_AES128); } Log.d("Adding recipient", certFile); X509Certificate recvCert = SignedDoc.readCertificate(new File(certFile)); if (recvCert != null && recipient == null) recipient = SignedDoc.getCommonName(recvCert.getSubjectDN().getName()); Log.d("Recipient", recipient); if (sId == null){ int n = m_cdoc.getNumKeys() + 1; sId = "ID" + n; } EncryptedKey ekey = new EncryptedKey(sId, recipient, EncryptedData.DENC_ENC_METHOD_RSA1_5, keyName, carriedKeyName, recvCert); m_cdoc.addEncryptedKey(ekey); }catch(Exception e){ Log.d("Error adding EncryptedKey: ", e.getMessage()); Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show(); showDialog(getResources().getString(R.string.msg_encryption_error), e.getMessage()); return; } // ejecutar el cifrado try { Log.d("Encrypting file:", inFile + " to: " + outFile); File fIn = new File(inFile); // create a ddoc intermediate file m_sdoc = new SignedDoc(SignedDoc.FORMAT_DIGIDOC_XML, SignedDoc.VERSION_1_3); Log.d("Encrypting file:", "paso new SignedDoc"); DataFile df = m_sdoc.addDataFile(new File(inFile), SignedDoc.xmlns_digidoc13, DataFile.CONTENT_EMBEDDED_BASE64); Log.d("Encrypting file:", "paso addDataFile"); byte[] data = SignedDoc.readFile(new File(inFile)); Log.d("Encrypting file:", "paso readFile"); df.setBase64Body(data); Log.d("Encrypting file:", "paso setBase64Body"); byte[] inData = m_sdoc.toXML().getBytes("UTF-8"); Log.d("Encrypting file:", "paso toXML()"); Log.d("Encrypting file", "Content: " + inFile + " size: " + data.length); Log.d("Encrypting file", "DF: " + new String(inData)); m_cdoc.setData(inData); m_cdoc.setDataStatus(EncryptedData.DENC_DATA_STATUS_UNENCRYPTED_AND_NOT_COMPRESSED); m_cdoc.addProperty(EncryptedData.ENCPROP_FILENAME, inFile + ".ddoc"); m_cdoc.setMimeType(EncryptedData.DENC_ENCDATA_TYPE_DDOC); StringBuffer sb = new StringBuffer(); sb.append(fIn.getName()); sb.append("|"); sb.append(new Long(fIn.length()).toString() + " B|"); sb.append("application/unknown|"); sb.append("/" + fIn.getName()); m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_FILE, sb.toString()); //m_cdoc.addProperty(EncryptedData.ENCPROP_ORIG_SIZE, new Long(inData.length).toString()); int nCompressOption = 0; m_cdoc.encrypt(nCompressOption); // genera el archivo cifrado en /data/data/ve.gob.cenditel/files //FileOutputStream fos = openFileOutput(outFile, Context.MODE_WORLD_WRITEABLE); outFile = encrypted_dir_files + fIn.getName()+".cdoc"; Toast.makeText(getApplicationContext(), "outFile: " + outFile, Toast.LENGTH_SHORT).show(); FileOutputStream fos = new FileOutputStream( outFile ); Log.d("Encrypting file", "antes de escribir archivo " + outFile); fos.write(m_cdoc.toXML()); Log.d("Encrypting file", "despues de escribir archivo " + outFile); fos.close(); Log.d("Encrypting file", "despues de cerrar archivo " + outFile); Toast.makeText(getApplicationContext(), "Cifrado correctamente: " + outFile, Toast.LENGTH_SHORT).show(); } catch(Exception e) { Log.d("Error encrypting file: ", inFile + " - " + e.getMessage()); e.printStackTrace(System.err); Toast.makeText(getApplicationContext(), e.getMessage(), Toast.LENGTH_SHORT).show(); showDialog(getResources().getString(R.string.msg_encryption_error), e.getMessage()); return; } // lanzar la actividad para mostrar el resultado del cifrado showEncryptionResults(fileToEncrypt, outFile, recipient); */ } // fin de selectRecipientCertificate() /** * Chequea la disponibilidad del directorio de /TibisayMovil/CertificatesToEncrypt * @return boolean */ private boolean checkCertificatesDirectoryAvailability() { // verificar acceso al directorio /mnt/sdcard/TibisayMovil/EncryptedFiles boolean mExternalStorageAvailable = false; boolean mExternalStorageWriteable = false; String state = Environment.getExternalStorageState(); String certificatesDir = Environment.getExternalStorageDirectory().getAbsolutePath() + "/" + getResources().getString(R.string.app_name) + "/" + getResources().getString(R.string.encrypted_dir_files) + "/"; AlertDialog.Builder builder = new AlertDialog.Builder(SelectCertificateToEncryptActivity.this); if (Environment.MEDIA_MOUNTED.equals(state)) { // We can read and write the media mExternalStorageAvailable = mExternalStorageWriteable = true; //Toast.makeText(getApplicationContext(), "We can read and write the media", Toast.LENGTH_SHORT).show(); // Crear directorio CertificatesToEncrypt donde se almacenan los certificados de // destinatarios para cifrado /* String certificatesDir = Environment.getExternalStorageDirectory() + "/" + getResources().getString(R.string.app_name) + "/" + getResources().getString(R.string.certificates_dir) + "/"; */ if (prepareDirectory(certificatesDir)){ return true; }else{ builder.setMessage("No existe el directorio "+certificatesDir+" para almacenar certificados.").setTitle("Error:"); } } else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) { // We can only read the media mExternalStorageAvailable = true; mExternalStorageWriteable = false; //Toast.makeText(getApplicationContext(), "We can only read the media", Toast.LENGTH_SHORT).show(); builder.setMessage("Directorio "+certificatesDir+ " montado de solo lectura. No se pueden almancenar certificados.").setTitle("Error:"); } else { // Something else is wrong. It may be one of many other states, but all we need // to know is we can neither read nor write mExternalStorageAvailable = mExternalStorageWriteable = false; //Toast.makeText(getApplicationContext(), "we can neither read nor write", Toast.LENGTH_SHORT).show(); builder.setMessage("Directorio "+certificatesDir+ " no está disponible. No se pueden almancenar certificados.").setTitle("Error:"); } builder.setNegativeButton("Cancelar", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // User cancelled the dialog SelectCertificateToEncryptActivity.this.finish(); } }); AlertDialog dialog = builder.create(); dialog.show(); return false; } // fin de checkCertificatesDirectoryAvailability /** * Prepara directorio * @return boolean */ boolean prepareDirectory(String dir) { try { if (makedirs(dir)) { return true; } else { return false; } } catch (Exception e) { e.printStackTrace(); //Toast.makeText(this, "Could not initiate File System.. Is Sdcard mounted properly?", Toast.LENGTH_LONG).show(); Toast.makeText(this, "No se pudo iniciar el sistema de archivos. ¿Está la SDCARD montada?", Toast.LENGTH_LONG).show(); return false; } } /** * Crea directorio utilizando la variable tmpDir * @return boolean */ private boolean makedirs(String dir) { //File tempdir = new File(extractedDirFiles); File tempdir = new File(dir); if (!tempdir.exists()) tempdir.mkdirs(); return (tempdir.isDirectory()); } /** * Crea un dialogo con el titulo y mensaje como argumentos y lo despliega * * @return void */ public void showDialog(String title, String msg) { // 1. Instantiate an AlertDialog.Builder with its constructor AlertDialog.Builder builder = new AlertDialog.Builder(SelectCertificateToEncryptActivity.this); // 2. Chain together various setter methods to set the dialog characteristics builder.setMessage(msg) .setTitle(title); builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // User clicked OK button Toast.makeText(getApplicationContext(), "User clicked OK button", Toast.LENGTH_LONG).show(); finish(); // lanzar el activity EncryptionCertificatesActivity } }); // 3. Get the AlertDialog from create() AlertDialog dialog = builder.create(); dialog.show(); } /** * Muestra la actividad de información del proceso de cifrado * * @return void */ public void showEncryptionResults(String fileToEncrypt, String encryptedFile, String recipient) { // lanzar el activity EncryptionResultActivity Intent intent = new Intent(this, EncryptionResultActivity.class); intent.putExtra("fileToEncrypt", fileToEncrypt); intent.putExtra("encryptedFile", encryptedFile); intent.putExtra("recipient", recipient); startActivity(intent); } }