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don't show allowed key list if no key exists, and some minor PgpDecryptVerify changes

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This commit is contained in:
Vincent Breitmoser
2015-05-28 02:27:44 +02:00
parent 426d17bd0a
commit a8e95f676e
13 changed files with 75 additions and 39 deletions
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11
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/DecryptVerifyResult.java
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@@ -27,12 +27,19 @@ import org.sufficientlysecure.keychain.util.Passphrase;
public class DecryptVerifyResult extends InputPendingResult {
public static final int RESULT_NO_DATA = RESULT_ERROR + 16;
public static final int RESULT_KEY_DISALLOWED = RESULT_ERROR + 32;
OpenPgpSignatureResult mSignatureResult;
OpenPgpMetadata mDecryptMetadata;
// This holds the charset which was specified in the ascii armor, if specified
// https://tools.ietf.org/html/rfc4880#page56
String mCharset;
public boolean isKeysDisallowed () {
return (mResult & RESULT_KEY_DISALLOWED) == RESULT_KEY_DISALLOWED;
}
public OpenPgpSignatureResult getSignatureResult() {
return mSignatureResult;
}
@@ -57,10 +64,6 @@ public class DecryptVerifyResult extends InputPendingResult {
mCharset = charset;
}
public boolean isPending() {
return (mResult & RESULT_PENDING) == RESULT_PENDING;
}
public DecryptVerifyResult(int result, OperationLog log) {
super(result, log);
}

2
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java
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@@ -598,7 +598,7 @@ public abstract class OperationResult implements Parcelable {
MSG_DC_ERROR_EXTRACT_KEY (LogLevel.ERROR, R.string.msg_dc_error_extract_key),
MSG_DC_ERROR_INTEGRITY_CHECK (LogLevel.ERROR, R.string.msg_dc_error_integrity_check),
MSG_DC_ERROR_INTEGRITY_MISSING (LogLevel.ERROR, R.string.msg_dc_error_integrity_missing),
MSG_DC_ERROR_INVALID_SIGLIST(LogLevel.ERROR, R.string.msg_dc_error_invalid_siglist),
MSG_DC_ERROR_INVALID_DATA (LogLevel.ERROR, R.string.msg_dc_error_invalid_data),
MSG_DC_ERROR_IO (LogLevel.ERROR, R.string.msg_dc_error_io),
MSG_DC_ERROR_NO_DATA (LogLevel.ERROR, R.string.msg_dc_error_no_data),
MSG_DC_ERROR_NO_KEY (LogLevel.ERROR, R.string.msg_dc_error_no_key),

37
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/pgp/PgpDecryptVerify.java
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@@ -384,7 +384,7 @@ public class PgpDecryptVerify extends BaseOperation {
}
if (enc == null) {
log.add(LogType.MSG_DC_ERROR_INVALID_SIGLIST, indent);
log.add(LogType.MSG_DC_ERROR_INVALID_DATA, indent);
return new DecryptVerifyResult(DecryptVerifyResult.RESULT_ERROR, log);
}
@@ -419,6 +419,7 @@ public class PgpDecryptVerify extends BaseOperation {
}
Passphrase passphrase = null;
boolean skippedDisallowedKey = false;
// go through all objects and find one we can decrypt
while (it.hasNext()) {
@@ -451,13 +452,6 @@ public class PgpDecryptVerify extends BaseOperation {
log.add(LogType.MSG_DC_ASKIP_NO_KEY, indent + 1);
continue;
}
// get subkey which has been used for this encryption packet
secretEncryptionKey = secretKeyRing.getSecretKey(subKeyId);
if (secretEncryptionKey == null) {
// should actually never happen, so no need to be more specific.
log.add(LogType.MSG_DC_ASKIP_NO_KEY, indent + 1);
continue;
}
// allow only specific keys for decryption?
if (mAllowedKeyIds != null) {
@@ -469,11 +463,20 @@ public class PgpDecryptVerify extends BaseOperation {
if (!mAllowedKeyIds.contains(masterKeyId)) {
// this key is in our db, but NOT allowed!
// continue with the next packet in the while loop
skippedDisallowedKey = true;
log.add(LogType.MSG_DC_ASKIP_NOT_ALLOWED, indent + 1);
continue;
}
}
// get subkey which has been used for this encryption packet
secretEncryptionKey = secretKeyRing.getSecretKey(subKeyId);
if (secretEncryptionKey == null) {
// should actually never happen, so no need to be more specific.
log.add(LogType.MSG_DC_ASKIP_NO_KEY, indent + 1);
continue;
}
/* secret key exists in database and is allowed! */
asymmetricPacketFound = true;
@@ -604,10 +607,18 @@ public class PgpDecryptVerify extends BaseOperation {
}
encryptedData = encryptedDataAsymmetric;
} else {
// If we didn't find any useful data, error out
// there wasn't even any useful data
if (!anyPacketFound) {
log.add(LogType.MSG_DC_ERROR_NO_DATA, indent + 1);
return new DecryptVerifyResult(DecryptVerifyResult.RESULT_NO_DATA, log);
}
// there was data but key wasn't allowed
if (skippedDisallowedKey) {
log.add(LogType.MSG_DC_ERROR_NO_KEY, indent + 1);
return new DecryptVerifyResult(DecryptVerifyResult.RESULT_KEY_DISALLOWED, log);
}
// no packet has been found where we have the corresponding secret key in our db
log.add(
anyPacketFound ? LogType.MSG_DC_ERROR_NO_KEY : LogType.MSG_DC_ERROR_NO_DATA, indent + 1);
log.add(LogType.MSG_DC_ERROR_NO_KEY, indent + 1);
return new DecryptVerifyResult(DecryptVerifyResult.RESULT_ERROR, log);
}
@@ -910,7 +921,7 @@ public class PgpDecryptVerify extends BaseOperation {
PGPSignatureList sigList = (PGPSignatureList) pgpFact.nextObject();
if (sigList == null) {
log.add(LogType.MSG_DC_ERROR_INVALID_SIGLIST, 0);
log.add(LogType.MSG_DC_ERROR_INVALID_DATA, 0);
return new DecryptVerifyResult(DecryptVerifyResult.RESULT_ERROR, log);
}
@@ -993,7 +1004,7 @@ public class PgpDecryptVerify extends BaseOperation {
} else if (o instanceof PGPSignatureList) {
sigList = (PGPSignatureList) o;
} else {
log.add(LogType.MSG_DC_ERROR_INVALID_SIGLIST, 0);
log.add(LogType.MSG_DC_ERROR_INVALID_DATA, 0);
return new DecryptVerifyResult(DecryptVerifyResult.RESULT_ERROR, log);
}

19
OpenKeychain/src/main/java/org/sufficientlysecure/keychain/remote/OpenPgpService.java
View File

@@ -34,7 +34,6 @@ import org.openintents.openpgp.util.OpenPgpApi;
import org.spongycastle.bcpg.CompressionAlgorithmTags;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.operations.results.DecryptVerifyResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult;
import org.sufficientlysecure.keychain.operations.results.OperationResult.LogEntryParcel;
import org.sufficientlysecure.keychain.operations.results.PgpSignEncryptResult;
import org.sufficientlysecure.keychain.pgp.PgpConstants;
@@ -602,9 +601,8 @@ public class OpenPgpService extends RemoteService {
result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_SUCCESS);
return result;
} else {
LogEntryParcel errorMsg = pgpResult.getLog().getLast();
if (errorMsg.mType == OperationResult.LogType.MSG_DC_ERROR_NO_KEY) {
//
if (pgpResult.isKeysDisallowed()) {
// allow user to select allowed keys
Intent result = new Intent();
result.putExtra(OpenPgpApi.RESULT_INTENT, getSelectAllowedKeysIntent(data));
@@ -612,14 +610,17 @@ public class OpenPgpService extends RemoteService {
return result;
}
throw new Exception(getString(errorMsg.mType.getMsgId()));
String errorMsg = getString(pgpResult.getLog().getLast().mType.getMsgId());
Intent result = new Intent();
result.putExtra(OpenPgpApi.RESULT_ERROR, new OpenPgpError(OpenPgpError.GENERIC_ERROR, errorMsg));
result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR);
return result;
}
} catch (Exception e) {
Log.d(Constants.TAG, "decryptAndVerifyImpl", e);
} catch (IOException e) {
Log.e(Constants.TAG, "decryptAndVerifyImpl", e);
Intent result = new Intent();
result.putExtra(OpenPgpApi.RESULT_ERROR,
new OpenPgpError(OpenPgpError.GENERIC_ERROR, e.getMessage()));
result.putExtra(OpenPgpApi.RESULT_ERROR, new OpenPgpError(OpenPgpError.GENERIC_ERROR, e.getMessage()));
result.putExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR);
return result;
} finally {