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introduce OperationResultParcel for PgpDecryptVerify operations (WIP)

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This commit is contained in:
Vincent Breitmoser
2014-09-13 17:54:10 +02:00
parent 19252380f1
commit 4c636a1471
8 changed files with 204 additions and 233 deletions
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54
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/KeychainIntentService.java
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@@ -41,7 +41,7 @@ import org.sufficientlysecure.keychain.pgp.CanonicalizedPublicKeyRing;
import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKey;
import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKeyRing;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerify;
import org.sufficientlysecure.keychain.pgp.PgpDecryptVerifyResult;
import org.sufficientlysecure.keychain.service.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.pgp.PgpHelper;
import org.sufficientlysecure.keychain.pgp.PgpImportExport;
import org.sufficientlysecure.keychain.pgp.PgpKeyOperation;
@@ -337,28 +337,21 @@ public class KeychainIntentService extends IntentService implements Progressable
Bundle resultData = new Bundle();
/* TODO find passphrase from cache, if not provided
return PassphraseCacheService.getCachedPassphrase(
KeychainIntentService.this, masterKeyId);
*/
// verifyText and decrypt returning additional resultData values for the
// verification of signatures
PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
new ProviderHelper(this),
new PgpDecryptVerify.PassphraseCache() {
@Override
public String getCachedPassphrase(long masterKeyId) throws PgpDecryptVerify.NoSecretKeyException {
try {
return PassphraseCacheService.getCachedPassphrase(
KeychainIntentService.this, masterKeyId);
} catch (PassphraseCacheService.KeyNotFoundException e) {
throw new PgpDecryptVerify.NoSecretKeyException();
}
}
},
inputData, outStream
new ProviderHelper(this), inputData, outStream
);
builder.setProgressable(this)
.setAllowSymmetricDecryption(true)
.setPassphrase(passphrase);
PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();
DecryptVerifyResult decryptVerifyResult = builder.build().execute();
outStream.close();
@@ -385,29 +378,22 @@ public class KeychainIntentService extends IntentService implements Progressable
Bundle resultData = new Bundle();
/* TODO find passphrase from cache, if not provided
return PassphraseCacheService.getCachedPassphrase(
KeychainIntentService.this, masterKeyId);
*/
// verifyText and decrypt returning additional resultData values for the
// verification of signatures
PgpDecryptVerify.Builder builder = new PgpDecryptVerify.Builder(
new ProviderHelper(this),
new PgpDecryptVerify.PassphraseCache() {
@Override
public String getCachedPassphrase(long masterKeyId) throws PgpDecryptVerify.NoSecretKeyException {
try {
return PassphraseCacheService.getCachedPassphrase(
KeychainIntentService.this, masterKeyId);
} catch (PassphraseCacheService.KeyNotFoundException e) {
throw new PgpDecryptVerify.NoSecretKeyException();
}
}
},
inputData, null
new ProviderHelper(this), inputData, null
);
builder.setProgressable(this)
.setAllowSymmetricDecryption(true)
.setPassphrase(passphrase)
.setDecryptMetadataOnly(true);
PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();
DecryptVerifyResult decryptVerifyResult = builder.build().execute();
resultData.putParcelable(RESULT_DECRYPT_VERIFY_RESULT, decryptVerifyResult);
@@ -785,16 +771,6 @@ public class KeychainIntentService extends IntentService implements Progressable
message = getString(R.string.error_no_signature_passphrase);
} else if (e instanceof PgpSignEncrypt.NoSigningKeyException) {
message = getString(R.string.error_no_signature_key);
} else if (e instanceof PgpDecryptVerify.InvalidDataException) {
message = getString(R.string.error_invalid_data);
} else if (e instanceof PgpDecryptVerify.KeyExtractionException) {
message = getString(R.string.error_could_not_extract_private_key);
} else if (e instanceof PgpDecryptVerify.WrongPassphraseException) {
message = getString(R.string.error_wrong_passphrase);
} else if (e instanceof PgpDecryptVerify.NoSecretKeyException) {
message = getString(R.string.error_no_secret_key_found);
} else if (e instanceof PgpDecryptVerify.IntegrityCheckFailedException) {
message = getString(R.string.error_integrity_check_failed);
} else {
message = e.getMessage();
}

113
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/service/results/DecryptVerifyResult.java Normal file
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@@ -0,0 +1,113 @@
/*
* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.service.results;
import android.os.Parcel;
import android.os.Parcelable;
import org.openintents.openpgp.OpenPgpMetadata;
import org.openintents.openpgp.OpenPgpSignatureResult;
public class DecryptVerifyResult extends OperationResultParcel {
// the fourth bit indicates a "data pending" result!
public static final int RESULT_PENDING = 8;
// fifth to sixth bit in addition indicate specific type of pending
public static final int RESULT_PENDING_ASYM_PASSPHRASE = RESULT_PENDING +16;
public static final int RESULT_PENDING_SYM_PASSPHRASE = RESULT_PENDING +32;
public static final int RESULT_PENDING_NFC = RESULT_PENDING +48;
long mKeyIdPassphraseNeeded;
byte[] mSessionKey;
OpenPgpSignatureResult mSignatureResult;
OpenPgpMetadata mDecryptMetadata;
public long getKeyIdPassphraseNeeded() {
return mKeyIdPassphraseNeeded;
}
public void setKeyIdPassphraseNeeded(long keyIdPassphraseNeeded) {
mKeyIdPassphraseNeeded = keyIdPassphraseNeeded;
}
public void setNfcEncryptedSessionKey(byte[] sessionKey) {
mSessionKey = sessionKey;
}
public OpenPgpSignatureResult getSignatureResult() {
return mSignatureResult;
}
public void setSignatureResult(OpenPgpSignatureResult signatureResult) {
mSignatureResult = signatureResult;
}
public OpenPgpMetadata getDecryptMetadata() {
return mDecryptMetadata;
}
public void setDecryptMetadata(OpenPgpMetadata decryptMetadata) {
mDecryptMetadata = decryptMetadata;
}
public boolean isPending() {
return (mResult & RESULT_PENDING) != 0;
}
public DecryptVerifyResult(int result, OperationLog log) {
super(result, log);
}
public DecryptVerifyResult(Parcel source) {
super(source);
mKeyIdPassphraseNeeded = source.readLong();
mSignatureResult = source.readParcelable(OpenPgpSignatureResult.class.getClassLoader());
mDecryptMetadata = source.readParcelable(OpenPgpMetadata.class.getClassLoader());
mSessionKey = source.readInt() != 0 ? source.createByteArray() : null;
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeLong(mKeyIdPassphraseNeeded);
dest.writeParcelable(mSignatureResult, 0);
dest.writeParcelable(mDecryptMetadata, 0);
if (mSessionKey != null) {
dest.writeInt(1);
dest.writeByteArray(mSessionKey);
} else {
dest.writeInt(0);
}
}
public static final Creator<DecryptVerifyResult> CREATOR = new Creator<DecryptVerifyResult>() {
public DecryptVerifyResult createFromParcel(final Parcel source) {
return new DecryptVerifyResult(source);
}
public DecryptVerifyResult[] newArray(final int size) {
return new DecryptVerifyResult[size];
}
};
}