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Code Issues Releases Wiki Activity

make PgpEncryptSign and PgpDecryptVerify subclasses of BaseOperation

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This commit is contained in:
Vincent Breitmoser 2014-10-13 15:02:42 +02:00
parent e5c7d8dcd1
commit ee4d911baf
5 changed files with 36 additions and 120 deletions
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1
OpenKeychain-Test/src/test/java/org/sufficientlysecure/keychain/pgp/PgpEncryptDecryptTest.java
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@ -105,6 +105,7 @@ public class PgpEncryptDecryptTest {
providerHelper.saveSecretKeyRing(mStaticRing1, new ProgressScaler());
}
/*
@Test
public void testSymmetricEncryptDecrypt() {

39
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerify.java
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@ -18,6 +18,7 @@
package org.sufficientlysecure.keychain.pgp;
import android.content.Context;
import android.webkit.MimeTypeMap;
import org.openintents.openpgp.OpenPgpMetadata;
@ -45,6 +46,7 @@ import org.spongycastle.openpgp.operator.jcajce.JcePBEDataDecryptorFactoryBuilde
import org.spongycastle.openpgp.operator.jcajce.NfcSyncPublicKeyDataDecryptorFactoryBuilder;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.BaseOperation;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
@ -71,13 +73,11 @@ import java.util.Set;
/**
* This class uses a Builder pattern!
*/
public class PgpDecryptVerify {
private ProviderHelper mProviderHelper;
private PassphraseCacheInterface mPassphraseCache;
public class PgpDecryptVerify extends BaseOperation {
private InputData mData;
private OutputStream mOutStream;
private Progressable mProgressable;
private boolean mAllowSymmetricDecryption;
private String mPassphrase;
private Set<Long> mAllowedKeyIds;
@ -85,13 +85,12 @@ public class PgpDecryptVerify {
private byte[] mDecryptedSessionKey;
private PgpDecryptVerify(Builder builder) {
super(builder.mContext, builder.mProviderHelper, builder.mProgressable);
// private Constructor can only be called from Builder
this.mProviderHelper = builder.mProviderHelper;
this.mPassphraseCache = builder.mPassphraseCache;
this.mData = builder.mData;
this.mOutStream = builder.mOutStream;
this.mProgressable = builder.mProgressable;
this.mAllowSymmetricDecryption = builder.mAllowSymmetricDecryption;
this.mPassphrase = builder.mPassphrase;
this.mAllowedKeyIds = builder.mAllowedKeyIds;
@ -101,6 +100,7 @@ public class PgpDecryptVerify {
public static class Builder {
// mandatory parameter
private Context mContext;
private ProviderHelper mProviderHelper;
private PassphraseCacheInterface mPassphraseCache;
private InputData mData;
@ -114,19 +114,16 @@ public class PgpDecryptVerify {
private boolean mDecryptMetadataOnly = false;
private byte[] mDecryptedSessionKey = null;
public Builder(ProviderHelper providerHelper, PassphraseCacheInterface passphraseCache,
public Builder(Context context, ProviderHelper providerHelper,
Progressable progressable,
InputData data, OutputStream outStream) {
mContext = context;
mProviderHelper = providerHelper;
mPassphraseCache = passphraseCache;
mProgressable = progressable;
mData = data;
mOutStream = outStream;
}
public Builder setProgressable(Progressable progressable) {
mProgressable = progressable;
return this;
}
public Builder setAllowSymmetricDecryption(boolean allowSymmetricDecryption) {
mAllowSymmetricDecryption = allowSymmetricDecryption;
return this;
@ -165,18 +162,6 @@ public class PgpDecryptVerify {
}
}
public void updateProgress(int message, int current, int total) {
if (mProgressable != null) {
mProgressable.setProgress(message, current, total);
}
}
public void updateProgress(int current, int total) {
if (mProgressable != null) {
mProgressable.setProgress(current, total);
}
}
/**
* Decrypts and/or verifies data based on parameters of class
*/
@ -313,7 +298,7 @@ public class PgpDecryptVerify {
if (mPassphrase == null) {
try {
// returns "" if key has no passphrase
mPassphrase = mPassphraseCache.getCachedPassphrase(subKeyId);
mPassphrase = getCachedPassphrase(subKeyId);
log.add(LogType.MSG_DC_PASS_CACHED, indent +1);
} catch (PassphraseCacheInterface.NoSecretKeyException e) {
log.add(LogType.MSG_DC_ERROR_NO_KEY, indent +1);

42
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpSignEncrypt.java
View File

@ -19,6 +19,8 @@
package org.sufficientlysecure.keychain.pgp;
import android.content.Context;
import org.spongycastle.bcpg.ArmoredOutputStream;
import org.spongycastle.bcpg.BCPGOutputStream;
import org.spongycastle.bcpg.CompressionAlgorithmTags;
@ -34,6 +36,7 @@ import org.spongycastle.openpgp.operator.jcajce.NfcSyncPGPContentSignerBuilder;
import org.spongycastle.util.encoders.Hex;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.operations.BaseOperation;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
@ -60,14 +63,11 @@ import java.util.LinkedList;
/**
* This class uses a Builder pattern!
*/
public class PgpSignEncrypt {
private ProviderHelper mProviderHelper;
private PassphraseCacheInterface mPassphraseCache;
public class PgpSignEncrypt extends BaseOperation {
private String mVersionHeader;
private InputData mData;
private OutputStream mOutStream;
private Progressable mProgressable;
private boolean mEnableAsciiArmorOutput;
private int mCompressionId;
private long[] mEncryptionMasterKeyIds;
@ -95,14 +95,13 @@ public class PgpSignEncrypt {
}
private PgpSignEncrypt(Builder builder) {
super(builder.mContext, builder.mProviderHelper, builder.mProgressable);
// private Constructor can only be called from Builder
this.mProviderHelper = builder.mProviderHelper;
this.mPassphraseCache = builder.mPassphraseCache;
this.mVersionHeader = builder.mVersionHeader;
this.mData = builder.mData;
this.mOutStream = builder.mOutStream;
this.mProgressable = builder.mProgressable;
this.mEnableAsciiArmorOutput = builder.mEnableAsciiArmorOutput;
this.mCompressionId = builder.mCompressionId;
this.mEncryptionMasterKeyIds = builder.mEncryptionMasterKeyIds;
@ -121,14 +120,14 @@ public class PgpSignEncrypt {
public static class Builder {
// mandatory parameter
private Context mContext;
private ProviderHelper mProviderHelper;
private PassphraseCacheInterface mPassphraseCache;
private Progressable mProgressable;
private InputData mData;
private OutputStream mOutStream;
// optional
private String mVersionHeader = null;
private Progressable mProgressable = null;
private boolean mEnableAsciiArmorOutput = false;
private int mCompressionId = CompressionAlgorithmTags.UNCOMPRESSED;
private long[] mEncryptionMasterKeyIds = null;
@ -144,10 +143,12 @@ public class PgpSignEncrypt {
private byte[] mNfcSignedHash = null;
private Date mNfcCreationTimestamp = null;
public Builder(ProviderHelper providerHelper, PassphraseCacheInterface passphraseCache,
public Builder(Context context, ProviderHelper providerHelper, Progressable progressable,
InputData data, OutputStream outStream) {
mContext = context;
mProviderHelper = providerHelper;
mPassphraseCache = passphraseCache;
mProgressable = progressable;
mData = data;
mOutStream = outStream;
}
@ -157,11 +158,6 @@ public class PgpSignEncrypt {
return this;
}
public Builder setProgressable(Progressable progressable) {
mProgressable = progressable;
return this;
}
public Builder setEnableAsciiArmorOutput(boolean enableAsciiArmorOutput) {
mEnableAsciiArmorOutput = enableAsciiArmorOutput;
return this;
@ -245,18 +241,6 @@ public class PgpSignEncrypt {
}
}
public void updateProgress(int message, int current, int total) {
if (mProgressable != null) {
mProgressable.setProgress(message, current, total);
}
}
public void updateProgress(int current, int total) {
if (mProgressable != null) {
mProgressable.setProgress(current, total);
}
}
/**
* Signs and/or encrypts data based on parameters of class
*/
@ -324,7 +308,7 @@ public class PgpSignEncrypt {
if (mSignaturePassphrase == null) {
try {
// returns "" if key has no passphrase
mSignaturePassphrase = mPassphraseCache.getCachedPassphrase(signKeyId);
mSignaturePassphrase = getCachedPassphrase(signKeyId);
// TODO
// log.add(LogType.MSG_DC_PASS_CACHED, indent + 1);
} catch (PassphraseCacheInterface.NoSecretKeyException e) {

32
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/OpenPgpService.java
View File

@ -34,11 +34,9 @@ import org.spongycastle.util.encoders.Hex;
import org.sufficientlysecure.keychain.pgp.exception.PgpKeyNotFoundException;
import org.sufficientlysecure.keychain.ui.NfcActivity;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.pgp.PassphraseCacheInterface;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainDatabase.Tables;
import org.sufficientlysecure.keychain.provider.ProviderHelper.NotFoundException;
import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.pgp.PgpHelper;
import org.sufficientlysecure.keychain.pgp.PgpSignEncrypt;
@ -76,28 +74,6 @@ public class OpenPgpService extends RemoteService {
static final String EMAIL_SEARCH_WHERE = Tables.KEYS + "." + KeychainContract.KeyRings.IS_REVOKED
+ " = 0 AND " + KeychainContract.KeyRings.IS_EXPIRED + " = 0";
private PassphraseCacheInterface passphraseCacheInterface = new PassphraseCacheInterface() {
@Override
public String getCachedPassphrase(long subKeyId) throws NoSecretKeyException {
try {
long masterKeyId = new ProviderHelper(getContext()).getMasterKeyId(subKeyId);
return getCachedPassphrase(masterKeyId, subKeyId);
} catch (NotFoundException e) {
throw new PassphraseCacheInterface.NoSecretKeyException();
}
}
@Override
public String getCachedPassphrase(long masterKeyId, long subKeyId) throws NoSecretKeyException {
try {
return PassphraseCacheService.getCachedPassphrase(
getContext(), masterKeyId, subKeyId);
} catch (PassphraseCacheService.KeyNotFoundException e) {
throw new PassphraseCacheInterface.NoSecretKeyException();
}
}
};
/**
* Search database for key ids based on emails.
*
@ -304,7 +280,7 @@ public class OpenPgpService extends RemoteService {
// sign-only
PgpSignEncrypt.Builder builder = new PgpSignEncrypt.Builder(
new ProviderHelper(getContext()), passphraseCacheInterface,
this, new ProviderHelper(getContext()), null,
inputData, os
);
builder.setEnableAsciiArmorOutput(asciiArmor)
@ -396,8 +372,7 @@ public class OpenPgpService extends RemoteService {
InputData inputData = new InputData(is, inputLength);
PgpSignEncrypt.Builder builder = new PgpSignEncrypt.Builder(
new ProviderHelper(getContext()), passphraseCacheInterface,
inputData, os
this, new ProviderHelper(getContext()), null, inputData, os
);
builder.setEnableAsciiArmorOutput(asciiArmor)
.setVersionHeader(PgpHelper.getVersionForHeader(this))
@ -513,8 +488,7 @@ public class OpenPgpService extends RemoteService {
InputData inputData = new InputData(is, inputLength);
PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
new ProviderHelper(getContext()), passphraseCacheInterface,
inputData, os
this, new ProviderHelper(getContext()), null, inputData, os
);
byte[] nfcDecryptedSessionKey = data.getByteArrayExtra(OpenPgpApi.EXTRA_NFC_DECRYPTED_SESSION_KEY);

42
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
View File

@ -20,7 +20,6 @@ package org.sufficientlysecure.keychain.service;
import android.app.IntentService;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Message;
@ -58,8 +57,6 @@ import org.sufficientlysecure.keychain.pgp.UncachedKeyRing;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralMsgIdException;
import org.sufficientlysecure.keychain.provider.CachedPublicKeyRing;
import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
import org.sufficientlysecure.keychain.provider.KeychainDatabase;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult.LogType;
@ -78,7 +75,6 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
@ -91,7 +87,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
* data from the activities or other apps, queues these intents, executes them, and stops itself
* after doing them.
*/
public class KeychainIntentService extends IntentService implements Progressable, PassphraseCacheInterface {
public class KeychainIntentService extends IntentService implements Progressable {
/* extras that can be given by intent */
public static final String EXTRA_MESSENGER = "messenger";
@ -297,11 +293,9 @@ public class KeychainIntentService extends IntentService implements Progressable
// verifyText and decrypt returning additional resultData values for the
// verification of signatures
PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
new ProviderHelper(this),
this, inputData, null
this, new ProviderHelper(this), this, inputData, null
);
builder.setProgressable(this)
.setAllowSymmetricDecryption(true)
builder.setAllowSymmetricDecryption(true)
.setPassphrase(passphrase)
.setDecryptMetadataOnly(true)
.setNfcState(nfcDecryptedSessionKey);
@ -330,11 +324,10 @@ public class KeychainIntentService extends IntentService implements Progressable
// verifyText and decrypt returning additional resultData values for the
// verification of signatures
PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
new ProviderHelper(this), this,
this, new ProviderHelper(this), this,
inputData, outStream
);
builder.setProgressable(this)
.setAllowSymmetricDecryption(true)
builder.setAllowSymmetricDecryption(true)
.setPassphrase(passphrase)
.setNfcState(nfcDecryptedSessionKey);
@ -591,10 +584,9 @@ public class KeychainIntentService extends IntentService implements Progressable
/* Operation */
PgpSignEncrypt.Builder builder = new PgpSignEncrypt.Builder(
new ProviderHelper(this), this, inputData, outStream
this, new ProviderHelper(this), this, inputData, outStream
);
builder.setProgressable(this)
.setEnableAsciiArmorOutput(useAsciiArmor)
builder.setEnableAsciiArmorOutput(useAsciiArmor)
.setVersionHeader(PgpHelper.getVersionForHeader(this))
.setCompressionId(compressionId)
.setSymmetricEncryptionAlgorithm(
@ -787,26 +779,6 @@ public class KeychainIntentService extends IntentService implements Progressable
}
}
@Override
public String getCachedPassphrase(long subKeyId) throws NoSecretKeyException {
try {
long masterKeyId = new ProviderHelper(this).getMasterKeyId(subKeyId);
return getCachedPassphrase(masterKeyId, subKeyId);
} catch (NotFoundException e) {
throw new PassphraseCacheInterface.NoSecretKeyException();
}
}
@Override
public String getCachedPassphrase(long masterKeyId, long subKeyId) throws NoSecretKeyException {
try {
return PassphraseCacheService.getCachedPassphrase(
KeychainIntentService.this, masterKeyId, subKeyId);
} catch (PassphraseCacheService.KeyNotFoundException e) {
throw new PassphraseCacheInterface.NoSecretKeyException();
}
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
if (ACTION_CANCEL.equals(intent.getAction())) {