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package de.blinkt.openvpn;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Vector;
import android.app.Activity;
import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.ArrayAdapter;
import de.blinkt.openvpn.ConfigParser.ConfigParseError;
public class ConfigConverter extends ListActivity {
public static final String IMPORT_PROFILE = "de.blinkt.openvpn.IMPORT_PROFILE";
private VpnProfile mResult;
private ArrayAdapter<String> mArrayAdapter;
private List<String> mPathsegments;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if(item.getItemId()==R.id.cancel){
setResult(Activity.RESULT_CANCELED);
finish();
} else if(item.getItemId()==R.id.ok) {
if(mResult==null) {
log("Importing the config had error, cannot save it");
return true;
}
Intent result = new Intent();
ProfileManager vpl = ProfileManager.getInstance(this);
setUniqueProfileName(vpl);
vpl.addProfile(mResult);
vpl.saveProfile(this, mResult);
vpl.saveProfileList(this);
result.putExtra(VpnProfile.EXTRA_PROFILEUUID,mResult.getUUID().toString());
setResult(Activity.RESULT_OK, result);
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
private void setUniqueProfileName(ProfileManager vpl) {
int i=1;
String newname = getString(R.string.converted_profile);
while(vpl.getProfileByName(newname)!=null) {
i++;
newname = getString(R.string.converted_profile_i,i);
}
mResult.mName=newname;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.import_menu, menu);
return true;
}
private String embedFile(String filename)
{
if(filename == null || filename.equals(""))
return null;
// Already embedded, nothing to do
if(filename.startsWith(VpnProfile.INLINE_TAG))
return filename;
// Try diffent path relative to /mnt/sdcard
File sdcard = Environment.getExternalStorageDirectory();
File root = new File("/");
Vector<File> dirlist = new Vector<File>();
for(int i=mPathsegments.size()-1;i >=0 ;i--){
String path = "";
for (int j = 0;j<=i;j++) {
path += "/" + mPathsegments.get(j);
}
dirlist.add(new File(path));
}
dirlist.add(sdcard);
dirlist.add(root);
String[] fileparts = filename.split("/");
for(File rootdir:dirlist){
String suffix="";
for(int i=fileparts.length-1; i >=0;i--) {
if(i==fileparts.length-1)
suffix = fileparts[i];
else
suffix = fileparts[i] + "/" + suffix;
File possibleFile = new File(rootdir,suffix);
if(!possibleFile.canRead())
continue;
// read the file inline
String filedata = VpnProfile.INLINE_TAG;
byte[] buf =new byte[2048];
log(R.string.trying_to_read, possibleFile.getAbsolutePath());
try {
FileInputStream fis = new FileInputStream(possibleFile);
int len = fis.read(buf);
while( len > 0){
filedata += new String(buf,0,len);
len = fis.read(buf);
}
fis.close();
return filedata;
} catch (FileNotFoundException e) {
log(e.getLocalizedMessage());
} catch (IOException e) {
log(e.getLocalizedMessage());
}
}
}
log(R.string.import_could_not_open,filename);
return null;
}
void embedFiles() {
// This where I would like to have a c++ style
// void embedFile(std::string & option)
mResult.mCaFilename = embedFile(mResult.mCaFilename);
mResult.mClientCertFilename = embedFile(mResult.mClientCertFilename);
mResult.mClientKeyFilename = embedFile(mResult.mClientKeyFilename);
mResult.mTLSAuthFilename = embedFile(mResult.mTLSAuthFilename);
}
@Override
protected void onStart() {
super.onStart();
mArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1);
getListView().setAdapter(mArrayAdapter);
final android.content.Intent intent = getIntent ();
if (intent != null)
{
final android.net.Uri data = intent.getData ();
if (data != null)
{
log(R.string.import_experimental);
log(R.string.importing_config,data.toString());
try {
InputStream is = getContentResolver().openInputStream(data);
mPathsegments = data.getPathSegments();
doImport(is);
} catch (FileNotFoundException e) {
log(R.string.import_content_resolve_error);
}
}
}
return;
}
private void log(String logmessage) {
mArrayAdapter.add(logmessage);
}
private void doImport(InputStream is) {
ConfigParser cp = new ConfigParser();
try {
cp.parseConfig(is);
VpnProfile vp = cp.convertProfile();
mResult = vp;
embedFiles();
displayWarnings();
log(R.string.import_done);
return;
} catch (IOException e) {
log(R.string.error_reading_config_file);
log(e.getLocalizedMessage());
} catch (ConfigParseError e) {
log(R.string.error_reading_config_file);
log(e.getLocalizedMessage());
}
mResult=null;
}
private void displayWarnings() {
if(mResult.mUseCustomConfig) {
log(R.string.import_warning_custom_options);
log(mResult.mCustomConfigOptions);
}
if(mResult.mAuthenticationType==VpnProfile.TYPE_KEYSTORE) {
log(R.string.import_pkcs12_to_keystore);
}
}
private void log(int ressourceId, Object... formatArgs) {
log(getString(ressourceId,formatArgs));
}
}
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