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Introducing new ParcelFileDescriptor pipes

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This commit is contained in:
Dominik Schürmann
2014-02-14 02:33:21 +01:00
parent 7b819e65de
commit 7939aaaa44
39 changed files with 956 additions and 360 deletions
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12
libraries/keychain-api-library/build.gradle
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@@ -1,5 +1,15 @@
apply plugin: 'android-library'
// please leave this here, so this library builds on its own
buildscript {
repositories {
mavenCentral()
}
dependencies {
classpath 'com.android.tools.build:gradle:0.8.0'
}
}
apply plugin: 'android-library'
android {
compileSdkVersion 19

2
libraries/keychain-api-library/src/main/AndroidManifest.xml
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@@ -5,7 +5,7 @@
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:minSdkVersion="9"
android:targetSdkVersion="19" />
<application/>

2
libraries/keychain-api-library/src/main/aidl/org/openintents/openpgp/IOpenPgpKeyIdsCallback.aidl
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.

46
libraries/keychain-api-library/src/main/aidl/org/openintents/openpgp/IOpenPgpService.aidl
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.
@@ -20,12 +20,35 @@ import org.openintents.openpgp.OpenPgpData;
import org.openintents.openpgp.IOpenPgpCallback;
import org.openintents.openpgp.IOpenPgpKeyIdsCallback;
/**
* All methods are oneway, which means they are asynchronous and non-blocking.
* Results are returned to the callback, which has to be implemented on client side.
*/
interface IOpenPgpService {
/**
* Bundle params:
* api_version 1,2,3,... (current: 1)
* ascii_armor true/false (for output)
* key_ids long[] (for encrypt method)
*
*
* Bundle return:
* result_code RESULT_ERROR=0 (see error), RESULT_OK=1, RESULT_USER_INTERACTION_REQUIRED=2 (execute intent and do it again with params from intent)
* signature_result OpenPgpSignatureResult
* error OpenPgpError
* intent Intent
*
*/
Bundle sign(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
Bundle encrypt(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
Bundle signAndEncrypt(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
Bundle decryptAndVerify(in Bundle params, in ParcelFileDescriptor input, in ParcelFileDescriptor output);
/*
------------------OLD--------------------------
*/
/**
* Sign
*
@@ -48,8 +71,9 @@ interface IOpenPgpService {
* @param callback
* Callback where to return results
*/
oneway void sign(in OpenPgpData input, in OpenPgpData output, in IOpenPgpCallback callback);
//oneway void sign(in OpenPgpData input, in OpenPgpData output, in IOpenPgpCallback callback);
/**
* Encrypt
*
@@ -74,7 +98,7 @@ interface IOpenPgpService {
* @param callback
* Callback where to return results
*/
oneway void encrypt(in OpenPgpData input, in OpenPgpData output, in long[] keyIds, in IOpenPgpCallback callback);
//oneway void encrypt(in OpenPgpData input, in OpenPgpData output, in long[] keyIds, in IOpenPgpCallback callback);
/**
* Sign then encrypt
@@ -100,7 +124,7 @@ interface IOpenPgpService {
* @param callback
* Callback where to return results
*/
oneway void signAndEncrypt(in OpenPgpData input, in OpenPgpData output, in long[] keyIds, in IOpenPgpCallback callback);
//oneway void signAndEncrypt(in OpenPgpData input, in OpenPgpData output, in long[] keyIds, in IOpenPgpCallback callback);
/**
* Decrypts and verifies given input bytes. This methods handles encrypted-only, signed-and-encrypted,
@@ -126,7 +150,7 @@ interface IOpenPgpService {
* @param callback
* Callback where to return results
*/
oneway void decryptAndVerify(in OpenPgpData input, in OpenPgpData output, in IOpenPgpCallback callback);
//oneway void decryptAndVerify(in OpenPgpData input, in OpenPgpData output, in IOpenPgpCallback callback);
/**
* Get available key ids based on given user ids
@@ -138,6 +162,6 @@ interface IOpenPgpService {
* @param callback
* Callback where to return results (different type than callback in other functions!)
*/
oneway void getKeyIds(in String[] ids, in boolean allowUserInteraction, in IOpenPgpKeyIdsCallback callback);
//oneway void getKeyIds(in String[] ids, in boolean allowUserInteraction, in IOpenPgpKeyIdsCallback callback);
}

2
libraries/keychain-api-library/src/main/aidl/org/openintents/openpgp/OpenPgpError.aidl
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.

2
libraries/keychain-api-library/src/main/aidl/org/openintents/openpgp/OpenPgpSignatureResult.aidl
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.

10
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpConstants.java
View File

@@ -1,10 +0,0 @@
package org.openintents.openpgp;
public class OpenPgpConstants {
public static final String TAG = "OpenPgp API";
public static final int REQUIRED_API_VERSION = 1;
public static final String SERVICE_INTENT = "org.openintents.openpgp.IOpenPgpService";
}

11
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpError.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.
@@ -20,10 +20,13 @@ 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 NO_OR_WRONG_PASSPHRASE = 1;
public static final int NO_USER_IDS = 2;
public static final int USER_INTERACTION_REQUIRED = 3;
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;

2
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpSignatureResult.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.

83
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/util/OpenPgpApi.java Normal file
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@@ -0,0 +1,83 @@
/*
* 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.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.util.Log;
import org.openintents.openpgp.IOpenPgpService;
import org.openintents.openpgp.OpenPgpError;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class OpenPgpApi {
IOpenPgpService mService;
public OpenPgpApi(IOpenPgpService service) {
this.mService = service;
}
public Bundle sign(InputStream is, final OutputStream os) {
try {
// 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
Bundle result = mService.sign(null, input, output);
// close() is required to halt the TransferThread
output.close();
return result;
} catch (RemoteException e) {
Log.e(OpenPgpConstants.TAG, "RemoteException", 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;
} catch (IOException e) {
Log.e(OpenPgpConstants.TAG, "IOException", 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;
}
}
}

48
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/util/OpenPgpConstants.java Normal file
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@@ -0,0 +1,48 @@
/*
* 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_KEY_IDS = "key_ids";
/* Bundle return */
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;
// execute intent and do it again with params from intent
public static final int RESULT_CODE_USER_INTERACTION_REQUIRED = 2;
}

14
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpListPreference.java → libraries/keychain-api-library/src/main/java/org/openintents/openpgp/util/OpenPgpListPreference.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.
@@ -14,7 +14,7 @@
* limitations under the License.
*/
package org.openintents.openpgp;
package org.openintents.openpgp.util;
import java.util.ArrayList;
import java.util.List;
@@ -70,13 +70,13 @@ public class OpenPgpListPreference extends DialogPreference {
/**
* Can be used to add "no selection"
*
*
* @param packageName
* @param simpleName
* @param icon
*/
public void addProvider(int position, String packageName, String simpleName, Drawable icon,
int apiVersion) {
int apiVersion) {
mProviderList.add(position, new OpenPgpProviderEntry(packageName, simpleName, icon,
apiVersion));
}
@@ -100,12 +100,12 @@ public class OpenPgpListPreference extends DialogPreference {
tv.setCompoundDrawablePadding(dp10);
// disable if it has the wrong api_version
if (mProviderList.get(position).apiVersion == OpenPgpConstants.REQUIRED_API_VERSION) {
if (mProviderList.get(position).apiVersion == OpenPgpConstants.API_VERSION) {
tv.setEnabled(true);
} else {
tv.setEnabled(false);
tv.setText(tv.getText() + " (API v" + mProviderList.get(position).apiVersion
+ ", needs v" + OpenPgpConstants.REQUIRED_API_VERSION + ")");
+ ", needs v" + OpenPgpConstants.API_VERSION + ")");
}
return v;
@@ -186,7 +186,7 @@ public class OpenPgpListPreference extends DialogPreference {
private int apiVersion;
public OpenPgpProviderEntry(String packageName, String simpleName, Drawable icon,
int apiVersion) {
int apiVersion) {
this.packageName = packageName;
this.simpleName = simpleName;
this.icon = icon;

4
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpServiceConnection.java → libraries/keychain-api-library/src/main/java/org/openintents/openpgp/util/OpenPgpServiceConnection.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.
@@ -14,7 +14,7 @@
* limitations under the License.
*/
package org.openintents.openpgp;
package org.openintents.openpgp.util;
import org.openintents.openpgp.IOpenPgpService;

8
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/OpenPgpHelper.java → libraries/keychain-api-library/src/main/java/org/openintents/openpgp/util/OpenPgpUtils.java
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
* 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.
@@ -14,7 +14,7 @@
* limitations under the License.
*/
package org.openintents.openpgp;
package org.openintents.openpgp.util;
import java.util.List;
import java.util.regex.Pattern;
@@ -23,7 +23,7 @@ import android.content.Context;
import android.content.Intent;
import android.content.pm.ResolveInfo;
public class OpenPgpHelper {
public class OpenPgpUtils {
private Context context;
public static Pattern PGP_MESSAGE = Pattern.compile(
@@ -34,7 +34,7 @@ public class OpenPgpHelper {
".*?(-----BEGIN PGP SIGNED MESSAGE-----.*?-----BEGIN PGP SIGNATURE-----.*?-----END PGP SIGNATURE-----).*",
Pattern.DOTALL);
public OpenPgpHelper(Context context) {
public OpenPgpUtils(Context context) {
super();
this.context = context;
}

104
libraries/keychain-api-library/src/main/java/org/openintents/openpgp/util/ParcelFileDescriptorUtil.java Normal file
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@@ -0,0 +1,104 @@
/*
* 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) {
e.printStackTrace();
}
try {
mOut.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (mListener != null) {
Log.d(OpenPgpConstants.TAG, "TransferThread " + getId() + " finished!");
mListener.onThreadFinished(this);
}
}
}
}