Restructure API lib folder to support Eclipse

This commit is contained in:
Dominik Schürmann
2014-02-15 17:09:21 +01:00
parent a76169c39e
commit 2b98f2a0d7
24 changed files with 29 additions and 5 deletions

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp;
interface IOpenPgpService {
/**
* General extras
* --------------
*
* Bundle params:
* int api_version (required)
* boolean ascii_armor (request ascii armor for ouput)
*
* returned Bundle:
* int result_code (0, 1, or 2 (see OpenPgpConstants))
* OpenPgpError error (if result_code == 0)
* Intent intent (if result_code == 2)
*
*/
/**
* Sign only
*
* optional params:
* String passphrase (for key passphrase)
*/
Bundle sign(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
/**
* Encrypt
*
* Bundle params:
* long[] key_ids
* or
* String[] user_ids (= emails of recipients) (if more than one key has this user_id, a PendingIntent is returned)
*
* optional params:
* String passphrase (for key passphrase)
*/
Bundle encrypt(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
/**
* Sign and encrypt
*
* Bundle params:
* same as in encrypt()
*/
Bundle signAndEncrypt(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
/**
* Decrypts and verifies given input bytes. This methods handles encrypted-only, signed-and-encrypted,
* and also signed-only input.
*
* returned Bundle:
* OpenPgpSignatureResult signature_result
*/
Bundle decryptAndVerify(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
/**
* Retrieves key ids based on given user ids (=emails)
*
* Bundle params:
* String[] user_ids
*
* returned Bundle:
* long[] key_ids
*/
Bundle getKeyIds(in Bundle params);
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp;
import android.os.Parcel;
import android.os.Parcelable;
public class OpenPgpError implements Parcelable {
public static final int CLIENT_SIDE_ERROR = -1;
public static final int GENERIC_ERROR = 0;
public static final int INCOMPATIBLE_API_VERSIONS = 1;
public static final int NO_OR_WRONG_PASSPHRASE = 2;
public static final int NO_USER_IDS = 3;
int errorId;
String message;
public OpenPgpError() {
}
public OpenPgpError(int errorId, String message) {
this.errorId = errorId;
this.message = message;
}
public OpenPgpError(OpenPgpError b) {
this.errorId = b.errorId;
this.message = b.message;
}
public int getErrorId() {
return errorId;
}
public void setErrorId(int errorId) {
this.errorId = errorId;
}
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(errorId);
dest.writeString(message);
}
public static final Creator<OpenPgpError> CREATOR = new Creator<OpenPgpError>() {
public OpenPgpError createFromParcel(final Parcel source) {
OpenPgpError error = new OpenPgpError();
error.errorId = source.readInt();
error.message = source.readString();
return error;
}
public OpenPgpError[] newArray(final int size) {
return new OpenPgpError[size];
}
};
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp;
import android.os.Parcel;
import android.os.Parcelable;
public class OpenPgpSignatureResult implements Parcelable {
// generic error on signature verification
public static final int SIGNATURE_ERROR = 0;
// successfully verified signature, with certified public key
public static final int SIGNATURE_SUCCESS_CERTIFIED = 1;
// no public key was found for this signature verification
// you can retrieve the key with
// getKeys(new String[] {String.valueOf(signatureResult.getKeyId)}, true, callback)
public static final int SIGNATURE_UNKNOWN_PUB_KEY = 2;
// successfully verified signature, but with certified public key
public static final int SIGNATURE_SUCCESS_UNCERTIFIED = 3;
int status;
boolean signatureOnly;
String userId;
long keyId;
public int getStatus() {
return status;
}
public boolean isSignatureOnly() {
return signatureOnly;
}
public String getUserId() {
return userId;
}
public long getKeyId() {
return keyId;
}
public OpenPgpSignatureResult() {
}
public OpenPgpSignatureResult(int signatureStatus, String signatureUserId,
boolean signatureOnly, long keyId) {
this.status = signatureStatus;
this.signatureOnly = signatureOnly;
this.userId = signatureUserId;
this.keyId = keyId;
}
public OpenPgpSignatureResult(OpenPgpSignatureResult b) {
this.status = b.status;
this.userId = b.userId;
this.signatureOnly = b.signatureOnly;
this.keyId = b.keyId;
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(status);
dest.writeByte((byte) (signatureOnly ? 1 : 0));
dest.writeString(userId);
dest.writeLong(keyId);
}
public static final Creator<OpenPgpSignatureResult> CREATOR = new Creator<OpenPgpSignatureResult>() {
public OpenPgpSignatureResult createFromParcel(final Parcel source) {
OpenPgpSignatureResult vr = new OpenPgpSignatureResult();
vr.status = source.readInt();
vr.signatureOnly = source.readByte() == 1;
vr.userId = source.readString();
vr.keyId = source.readLong();
return vr;
}
public OpenPgpSignatureResult[] newArray(final int size) {
return new OpenPgpSignatureResult[size];
}
};
@Override
public String toString() {
String out = new String();
out += "\nstatus: " + status;
out += "\nuserId: " + userId;
out += "\nsignatureOnly: " + signatureOnly;
out += "\nkeyId: " + keyId;
return out;
}
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp.util;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.util.Log;
import org.openintents.openpgp.IOpenPgpService;
import org.openintents.openpgp.OpenPgpError;
import java.io.InputStream;
import java.io.OutputStream;
public class OpenPgpApi {
IOpenPgpService mService;
Context mContext;
private static final int OPERATION_SIGN = 0;
private static final int OPERATION_ENCRYPT = 1;
private static final int OPERATION_SIGN_ENCRYPT = 2;
private static final int OPERATION_DECRYPT_VERIFY = 3;
private static final int OPERATION_GET_KEY_IDS = 4;
public OpenPgpApi(Context context, IOpenPgpService service) {
this.mContext = context;
this.mService = service;
}
public Bundle sign(InputStream is, final OutputStream os) {
return executeApi(OPERATION_SIGN, new Bundle(), is, os);
}
public Bundle sign(Bundle params, InputStream is, final OutputStream os) {
return executeApi(OPERATION_SIGN, params, is, os);
}
public void sign(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
executeApiAsync(OPERATION_SIGN, params, is, os, callback);
}
public Bundle encrypt(InputStream is, final OutputStream os) {
return executeApi(OPERATION_ENCRYPT, new Bundle(), is, os);
}
public Bundle encrypt(Bundle params, InputStream is, final OutputStream os) {
return executeApi(OPERATION_ENCRYPT, params, is, os);
}
public void encrypt(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
executeApiAsync(OPERATION_ENCRYPT, params, is, os, callback);
}
public Bundle signAndEncrypt(InputStream is, final OutputStream os) {
return executeApi(OPERATION_SIGN_ENCRYPT, new Bundle(), is, os);
}
public Bundle signAndEncrypt(Bundle params, InputStream is, final OutputStream os) {
return executeApi(OPERATION_SIGN_ENCRYPT, params, is, os);
}
public void signAndEncrypt(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
executeApiAsync(OPERATION_SIGN_ENCRYPT, params, is, os, callback);
}
public Bundle decryptAndVerify(InputStream is, final OutputStream os) {
return executeApi(OPERATION_DECRYPT_VERIFY, new Bundle(), is, os);
}
public Bundle decryptAndVerify(Bundle params, InputStream is, final OutputStream os) {
return executeApi(OPERATION_DECRYPT_VERIFY, params, is, os);
}
public void decryptAndVerify(Bundle params, InputStream is, final OutputStream os, IOpenPgpCallback callback) {
executeApiAsync(OPERATION_DECRYPT_VERIFY, params, is, os, callback);
}
public Bundle getKeyIds(Bundle params) {
return executeApi(OPERATION_GET_KEY_IDS, params, null, null);
}
public interface IOpenPgpCallback {
void onReturn(final Bundle result);
}
private class OpenPgpAsyncTask extends AsyncTask<Void, Integer, Bundle> {
int operationId;
Bundle params;
InputStream is;
OutputStream os;
IOpenPgpCallback callback;
private OpenPgpAsyncTask(int operationId, Bundle params, InputStream is, OutputStream os, IOpenPgpCallback callback) {
this.operationId = operationId;
this.params = params;
this.is = is;
this.os = os;
this.callback = callback;
}
@Override
protected Bundle doInBackground(Void... unused) {
return executeApi(operationId, params, is, os);
}
protected void onPostExecute(Bundle result) {
callback.onReturn(result);
}
}
private void executeApiAsync(int operationId, Bundle params, InputStream is, OutputStream os, IOpenPgpCallback callback) {
new OpenPgpAsyncTask(operationId, params, is, os, callback).execute((Void[]) null);
}
private Bundle executeApi(int operationId, Bundle params, InputStream is, OutputStream os) {
try {
params.putInt(OpenPgpConstants.PARAMS_API_VERSION, OpenPgpConstants.API_VERSION);
Bundle result = null;
if (operationId == OPERATION_GET_KEY_IDS) {
result = mService.getKeyIds(params);
return result;
} else {
// send the input and output pfds
ParcelFileDescriptor input = ParcelFileDescriptorUtil.pipeFrom(is,
new ParcelFileDescriptorUtil.IThreadListener() {
@Override
public void onThreadFinished(Thread thread) {
Log.d(OpenPgpConstants.TAG, "Copy to service finished");
}
});
ParcelFileDescriptor output = ParcelFileDescriptorUtil.pipeTo(os,
new ParcelFileDescriptorUtil.IThreadListener() {
@Override
public void onThreadFinished(Thread thread) {
Log.d(OpenPgpConstants.TAG, "Service finished writing!");
}
});
// blocks until result is ready
switch (operationId) {
case OPERATION_SIGN:
result = mService.sign(params, input, output);
break;
case OPERATION_ENCRYPT:
result = mService.encrypt(params, input, output);
break;
case OPERATION_SIGN_ENCRYPT:
result = mService.signAndEncrypt(params, input, output);
break;
case OPERATION_DECRYPT_VERIFY:
result = mService.decryptAndVerify(params, input, output);
break;
}
// close() is required to halt the TransferThread
output.close();
// set class loader to current context to allow unparcelling
// of OpenPgpError and OpenPgpSignatureResult
// http://stackoverflow.com/a/3806769
result.setClassLoader(mContext.getClassLoader());
return result;
}
} catch (Exception e) {
Log.e(OpenPgpConstants.TAG, "Exception", e);
Bundle result = new Bundle();
result.putInt(OpenPgpConstants.RESULT_CODE, OpenPgpConstants.RESULT_CODE_ERROR);
result.putParcelable(OpenPgpConstants.RESULT_ERRORS,
new OpenPgpError(OpenPgpError.CLIENT_SIDE_ERROR, e.getMessage()));
return result;
}
}
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp.util;
public class OpenPgpConstants {
public static final String TAG = "OpenPgp API";
public static final int API_VERSION = 1;
public static final String SERVICE_INTENT = "org.openintents.openpgp.IOpenPgpService";
/* Bundle params */
public static final String PARAMS_API_VERSION = "api_version";
// request ASCII Armor for output
// OpenPGP Radix-64, 33 percent overhead compared to binary, see http://tools.ietf.org/html/rfc4880#page-53)
public static final String PARAMS_REQUEST_ASCII_ARMOR = "ascii_armor";
// (for encrypt method)
public static final String PARAMS_USER_IDS = "user_ids";
public static final String PARAMS_KEY_IDS = "key_ids";
// optional parameter:
public static final String PARAMS_PASSPHRASE = "passphrase";
/* Service Bundle returns */
public static final String RESULT_CODE = "result_code";
public static final String RESULT_SIGNATURE = "signature";
public static final String RESULT_ERRORS = "error";
public static final String RESULT_INTENT = "intent";
// get actual error object from RESULT_ERRORS
public static final int RESULT_CODE_ERROR = 0;
// success!
public static final int RESULT_CODE_SUCCESS = 1;
// executeServiceMethod intent and do it again with params from intent
public static final int RESULT_CODE_USER_INTERACTION_REQUIRED = 2;
/* PendingIntent returns */
public static final String PI_RESULT_PARAMS = "params";
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp.util;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ResolveInfo;
import android.graphics.drawable.Drawable;
import android.preference.DialogPreference;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.TextView;
import java.util.ArrayList;
import java.util.List;
public class OpenPgpListPreference extends DialogPreference {
ArrayList<OpenPgpProviderEntry> mProviderList = new ArrayList<OpenPgpProviderEntry>();
private String mSelectedPackage;
public OpenPgpListPreference(Context context, AttributeSet attrs) {
super(context, attrs);
Intent intent = new Intent(OpenPgpConstants.SERVICE_INTENT);
List<ResolveInfo> resInfo = context.getPackageManager().queryIntentServices(intent, 0);
if (!resInfo.isEmpty()) {
for (ResolveInfo resolveInfo : resInfo) {
if (resolveInfo.serviceInfo == null)
continue;
String packageName = resolveInfo.serviceInfo.packageName;
String simpleName = String.valueOf(resolveInfo.serviceInfo.loadLabel(context
.getPackageManager()));
Drawable icon = resolveInfo.serviceInfo.loadIcon(context.getPackageManager());
mProviderList.add(new OpenPgpProviderEntry(packageName, simpleName, icon));
}
}
}
public OpenPgpListPreference(Context context) {
this(context, null);
}
/**
* Can be used to add "no selection"
*
* @param packageName
* @param simpleName
* @param icon
*/
public void addProvider(int position, String packageName, String simpleName, Drawable icon) {
mProviderList.add(position, new OpenPgpProviderEntry(packageName, simpleName, icon));
}
@Override
protected void onPrepareDialogBuilder(Builder builder) {
// Init ArrayAdapter with OpenPGP Providers
ListAdapter adapter = new ArrayAdapter<OpenPgpProviderEntry>(getContext(),
android.R.layout.select_dialog_singlechoice, android.R.id.text1, mProviderList) {
public View getView(int position, View convertView, ViewGroup parent) {
// User super class to create the View
View v = super.getView(position, convertView, parent);
TextView tv = (TextView) v.findViewById(android.R.id.text1);
// Put the image on the TextView
tv.setCompoundDrawablesWithIntrinsicBounds(mProviderList.get(position).icon, null,
null, null);
// Add margin between image and text (support various screen densities)
int dp10 = (int) (10 * getContext().getResources().getDisplayMetrics().density + 0.5f);
tv.setCompoundDrawablePadding(dp10);
return v;
}
};
builder.setSingleChoiceItems(adapter, getIndexOfProviderList(getValue()),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
mSelectedPackage = mProviderList.get(which).packageName;
/*
* Clicking on an item simulates the positive button click, and dismisses
* the dialog.
*/
OpenPgpListPreference.this.onClick(dialog, DialogInterface.BUTTON_POSITIVE);
dialog.dismiss();
}
});
/*
* The typical interaction for list-based dialogs is to have click-on-an-item dismiss the
* dialog instead of the user having to press 'Ok'.
*/
builder.setPositiveButton(null, null);
}
@Override
protected void onDialogClosed(boolean positiveResult) {
super.onDialogClosed(positiveResult);
if (positiveResult && (mSelectedPackage != null)) {
if (callChangeListener(mSelectedPackage)) {
setValue(mSelectedPackage);
}
}
}
private int getIndexOfProviderList(String packageName) {
for (OpenPgpProviderEntry app : mProviderList) {
if (app.packageName.equals(packageName)) {
return mProviderList.indexOf(app);
}
}
return -1;
}
public void setValue(String packageName) {
mSelectedPackage = packageName;
persistString(packageName);
}
public String getValue() {
return mSelectedPackage;
}
public String getEntry() {
return getEntryByValue(mSelectedPackage);
}
public String getEntryByValue(String packageName) {
for (OpenPgpProviderEntry app : mProviderList) {
if (app.packageName.equals(packageName)) {
return app.simpleName;
}
}
return null;
}
private static class OpenPgpProviderEntry {
private String packageName;
private String simpleName;
private Drawable icon;
public OpenPgpProviderEntry(String packageName, String simpleName, Drawable icon) {
this.packageName = packageName;
this.simpleName = simpleName;
this.icon = icon;
}
@Override
public String toString() {
return simpleName;
}
}
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp.util;
import org.openintents.openpgp.IOpenPgpService;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.util.Log;
public class OpenPgpServiceConnection {
private Context mApplicationContext;
private IOpenPgpService mService;
private boolean mBound;
private String mCryptoProviderPackageName;
public OpenPgpServiceConnection(Context context, String cryptoProviderPackageName) {
this.mApplicationContext = context.getApplicationContext();
this.mCryptoProviderPackageName = cryptoProviderPackageName;
}
public IOpenPgpService getService() {
return mService;
}
public boolean isBound() {
return mBound;
}
private ServiceConnection mCryptoServiceConnection = new ServiceConnection() {
public void onServiceConnected(ComponentName name, IBinder service) {
mService = IOpenPgpService.Stub.asInterface(service);
Log.d(OpenPgpConstants.TAG, "connected to service");
mBound = true;
}
public void onServiceDisconnected(ComponentName name) {
mService = null;
Log.d(OpenPgpConstants.TAG, "disconnected from service");
mBound = false;
}
};
/**
* If not already bound, bind!
*
* @return
*/
public boolean bindToService() {
// if not already connected
if (mService == null && !mBound) {
try {
Log.d(OpenPgpConstants.TAG, "not bound yet");
Intent serviceIntent = new Intent();
serviceIntent.setAction(IOpenPgpService.class.getName());
serviceIntent.setPackage(mCryptoProviderPackageName);
mApplicationContext.bindService(serviceIntent, mCryptoServiceConnection,
Context.BIND_AUTO_CREATE);
return true;
} catch (Exception e) {
Log.d(OpenPgpConstants.TAG, "Exception on binding", e);
return false;
}
} else {
Log.d(OpenPgpConstants.TAG, "already bound");
return true;
}
}
public void unbindFromService() {
mApplicationContext.unbindService(mCryptoServiceConnection);
}
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp.util;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ResolveInfo;
public class OpenPgpUtils {
public static final Pattern PGP_MESSAGE = Pattern.compile(
".*?(-----BEGIN PGP MESSAGE-----.*?-----END PGP MESSAGE-----).*",
Pattern.DOTALL);
public static final Pattern PGP_SIGNED_MESSAGE = Pattern.compile(
".*?(-----BEGIN PGP SIGNED MESSAGE-----.*?-----BEGIN PGP SIGNATURE-----.*?-----END PGP SIGNATURE-----).*",
Pattern.DOTALL);
public static final int PARSE_RESULT_NO_PGP = -1;
public static final int PARSE_RESULT_MESSAGE = 0;
public static final int PARSE_RESULT_SIGNED_MESSAGE = 1;
public static int parseMessage(String message) {
Matcher matcherSigned = PGP_SIGNED_MESSAGE.matcher(message);
Matcher matcherMessage = PGP_MESSAGE.matcher(message);
if (matcherMessage.matches()) {
return PARSE_RESULT_MESSAGE;
} else if (matcherSigned.matches()) {
return PARSE_RESULT_SIGNED_MESSAGE;
} else {
return PARSE_RESULT_NO_PGP;
}
}
public static boolean isAvailable(Context context) {
Intent intent = new Intent(OpenPgpConstants.SERVICE_INTENT);
List<ResolveInfo> resInfo = context.getPackageManager().queryIntentServices(intent, 0);
if (!resInfo.isEmpty()) {
return true;
} else {
return false;
}
}
}

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/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
* 2013 Flow (http://stackoverflow.com/questions/18212152/transfer-inputstream-to-another-service-across-process-boundaries-with-parcelf)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.openintents.openpgp.util;
import android.os.ParcelFileDescriptor;
import android.util.Log;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class ParcelFileDescriptorUtil {
public interface IThreadListener {
void onThreadFinished(final Thread thread);
}
public static ParcelFileDescriptor pipeFrom(InputStream inputStream, IThreadListener listener)
throws IOException {
ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe();
ParcelFileDescriptor readSide = pipe[0];
ParcelFileDescriptor writeSide = pipe[1];
// start the transfer thread
new TransferThread(inputStream, new ParcelFileDescriptor.AutoCloseOutputStream(writeSide),
listener)
.start();
return readSide;
}
public static ParcelFileDescriptor pipeTo(OutputStream outputStream, IThreadListener listener)
throws IOException {
ParcelFileDescriptor[] pipe = ParcelFileDescriptor.createPipe();
ParcelFileDescriptor readSide = pipe[0];
ParcelFileDescriptor writeSide = pipe[1];
// start the transfer thread
new TransferThread(new ParcelFileDescriptor.AutoCloseInputStream(readSide), outputStream,
listener)
.start();
return writeSide;
}
static class TransferThread extends Thread {
final InputStream mIn;
final OutputStream mOut;
final IThreadListener mListener;
TransferThread(InputStream in, OutputStream out, IThreadListener listener) {
super("ParcelFileDescriptor Transfer Thread");
mIn = in;
mOut = out;
mListener = listener;
setDaemon(true);
}
@Override
public void run() {
byte[] buf = new byte[1024];
int len;
try {
while ((len = mIn.read(buf)) > 0) {
mOut.write(buf, 0, len);
}
mOut.flush(); // just to be safe
} catch (IOException e) {
Log.e(OpenPgpConstants.TAG, "TransferThread" + getId() + ": writing failed", e);
} finally {
try {
mIn.close();
} catch (IOException e) {
Log.e(OpenPgpConstants.TAG, "TransferThread" + getId(), e);
}
try {
mOut.close();
} catch (IOException e) {
Log.e(OpenPgpConstants.TAG, "TransferThread" + getId(), e);
}
}
if (mListener != null) {
Log.d(OpenPgpConstants.TAG, "TransferThread " + getId() + " finished!");
mListener.onThreadFinished(this);
}
}
}
}