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package de.blinkt.openvpn.views;
import android.annotation.TargetApi;
import android.app.Activity;
import android.net.Uri;
import android.os.Build;
import android.text.TextUtils;
import android.text.style.CharacterStyle;
import android.util.Base64;
import android.webkit.MimeTypeMap;
import de.blinkt.openvpn.R;
import de.blinkt.openvpn.VpnProfile;
import de.blinkt.openvpn.activities.FileSelect;
import de.blinkt.openvpn.core.VpnStatus;
import de.blinkt.openvpn.core.X509Utils;
import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import java.io.*;
import java.util.TreeSet;
import java.util.Vector;
import static android.os.Build.*;
public class FileSelectLayout extends LinearLayout implements OnClickListener {
public void parseResponse(Intent data, Context c) {
if (VERSION.SDK_INT < VERSION_CODES.KITKAT) {
String fileData = data.getStringExtra(FileSelect.RESULT_DATA);
setData(fileData, c);
} else if (data != null) {
Uri uri = data.getData();
try {
byte[] fileData = readBytesFromStream(c.getContentResolver().openInputStream(uri));
String newData = null;
switch (fileType) {
case CERTIFICATE:
case KEYFILE:
newData = new String(fileData, "UTF-8");
break;
case PKCS12:
newData = Base64.encodeToString(fileData, Base64.DEFAULT);
break;
}
setData(VpnProfile.INLINE_TAG + newData, c);
} catch (IOException e) {
VpnStatus.logException(e);
}
}
}
static private byte[] readBytesFromStream(InputStream input) throws IOException {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
int nRead;
byte[] data = new byte[16384];
while ((nRead = input.read(data, 0, data.length)) != -1) {
buffer.write(data, 0, nRead);
}
buffer.flush();
input.close();
return buffer.toByteArray();
}
public enum FileType {
PKCS12,
CERTIFICATE,
KEYFILE
}
private final boolean mIsCertificate;
private TextView mDataView;
private String mData;
private Fragment mFragment;
private int mTaskId;
private Button mSelectButton;
private FileType fileType;
private String mTitle;
private boolean mShowClear;
private TextView mDataDetails;
public FileSelectLayout(Context context, AttributeSet attrset) {
super(context, attrset);
inflate(getContext(), R.layout.file_select, this);
TypedArray ta = context.obtainStyledAttributes(attrset, R.styleable.FileSelectLayout);
mTitle = ta.getString(R.styleable.FileSelectLayout_title);
mIsCertificate = ta.getBoolean(R.styleable.FileSelectLayout_certificate, true);
TextView tview = (TextView) findViewById(R.id.file_title);
tview.setText(mTitle);
mDataView = (TextView) findViewById(R.id.file_selected_item);
mDataDetails = (TextView) findViewById(R.id.file_selected_description);
mSelectButton = (Button) findViewById(R.id.file_select_button);
mSelectButton.setOnClickListener(this);
ta.recycle();
}
public void setFragment(Fragment fragment, int i, FileType ft) {
mTaskId = i;
mFragment = fragment;
fileType = ft;
}
public void getCertificateFileDialog() {
Intent startFC = new Intent(getContext(), FileSelect.class);
startFC.putExtra(FileSelect.START_DATA, mData);
startFC.putExtra(FileSelect.WINDOW_TITLE, mTitle);
if (fileType == FileType.PKCS12)
startFC.putExtra(FileSelect.DO_BASE64_ENCODE, true);
if (mShowClear)
startFC.putExtra(FileSelect.SHOW_CLEAR_BUTTON, true);
mFragment.startActivityForResult(startFC, mTaskId);
}
public String getData() {
return mData;
}
public void setData(String data, Context c) {
mData = data;
if (data == null) {
mDataView.setText(mFragment.getString(R.string.no_data));
mDataDetails.setText("");
} else {
if (mData.startsWith(VpnProfile.INLINE_TAG))
mDataView.setText(R.string.inline_file_data);
else
mDataView.setText(data);
if (mIsCertificate)
mDataDetails.setText(X509Utils.getCertificateFriendlyName(c, data));
}
}
@Override
public void onClick(View v) {
if (v == mSelectButton) {
if (VERSION.SDK_INT >= VERSION_CODES.KITKAT)
startFilePicker();
else
getCertificateFileDialog();
}
}
@TargetApi(VERSION_CODES.KITKAT)
private void startFilePicker() {
Intent i = new Intent(Intent.ACTION_OPEN_DOCUMENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
TreeSet<String> supportedMimeTypes = new TreeSet<String>();
Vector<String> extensions = new Vector<String>();
switch (fileType) {
case PKCS12:
i.setType("application/x-pkcs12");
supportedMimeTypes.add("application/x-pkcs12");
extensions.add("p12");
extensions.add("pfx");
break;
case CERTIFICATE:
i.setType("application/x-pem-file");
supportedMimeTypes.add("application/x-x509-ca-cert");
supportedMimeTypes.add("application/x-x509-user-cert");
supportedMimeTypes.add("application/x-pem-file");
supportedMimeTypes.add("text/plain");
extensions.add("pem");
extensions.add("crt");
break;
case KEYFILE:
i.setType("application/x-pem-file");
supportedMimeTypes.add("application/x-pem-file");
supportedMimeTypes.add("application/pkcs8");
extensions.add("key");
break;
}
MimeTypeMap mtm = MimeTypeMap.getSingleton();
for (String ext : new String[]{"ovpn", "conf"}) {
String mimeType = mtm.getMimeTypeFromExtension(ext);
if (mimeType != null)
supportedMimeTypes.add(mimeType);
else
supportedMimeTypes.add("application/octet-stream");
}
i.putExtra(Intent.EXTRA_MIME_TYPES, supportedMimeTypes.toArray(new String[supportedMimeTypes.size()]));
mFragment.startActivityForResult(i, mTaskId);
}
public void setShowClear() {
mShowClear = true;
}
}
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