Get original filename for decryption

This commit is contained in:
Dominik Schürmann
2014-08-11 17:10:47 +02:00
parent 549feb69ed
commit b673565035
4 changed files with 188 additions and 20 deletions

View File

@@ -86,6 +86,8 @@ public class KeychainIntentService extends IntentService
public static final String ACTION_DECRYPT_VERIFY = Constants.INTENT_PREFIX + "DECRYPT_VERIFY";
public static final String ACTION_DECRYPT_METADATA = Constants.INTENT_PREFIX + "DECRYPT_METADATA";
public static final String ACTION_SAVE_KEYRING = Constants.INTENT_PREFIX + "SAVE_KEYRING";
public static final String ACTION_DELETE_FILE_SECURELY = Constants.INTENT_PREFIX
@@ -241,6 +243,7 @@ public class KeychainIntentService extends IntentService
data.putInt(SELECTED_URI, i);
InputData inputData = createEncryptInputData(data);
OutputStream outStream = createCryptOutputStream(data);
String originalFilename = getOriginalFilename(data);
/* Operation */
PgpSignEncrypt.Builder builder =
@@ -262,7 +265,8 @@ public class KeychainIntentService extends IntentService
.setSignatureHashAlgorithm(
Preferences.getPreferences(this).getDefaultHashAlgorithm())
.setSignaturePassphrase(
PassphraseCacheService.getCachedPassphrase(this, signatureKeyId));
PassphraseCacheService.getCachedPassphrase(this, signatureKeyId))
.setOriginalFilename(originalFilename);
// this assumes that the bytes are cleartext (valid for current implementation!)
if (source == IO_BYTES) {
@@ -308,10 +312,10 @@ public class KeychainIntentService extends IntentService
KeychainIntentService.this, masterKeyId);
}
},
inputData, outStream);
builder.setProgressable(this);
builder.setAllowSymmetricDecryption(true)
inputData, outStream
);
builder.setProgressable(this)
.setAllowSymmetricDecryption(true)
.setPassphrase(passphrase);
PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();
@@ -326,6 +330,46 @@ public class KeychainIntentService extends IntentService
OtherHelper.logDebugBundle(resultData, "resultData");
sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
}
} else if (ACTION_DECRYPT_METADATA.equals(action)) {
try {
/* Input */
String passphrase = data.getString(DECRYPT_PASSPHRASE);
InputData inputData = createDecryptInputData(data);
/* Operation */
Bundle resultData = new Bundle();
// 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) {
return PassphraseCacheService.getCachedPassphrase(
KeychainIntentService.this, masterKeyId);
}
},
inputData, null
);
builder.setProgressable(this)
.setAllowSymmetricDecryption(true)
.setPassphrase(passphrase)
.setReturnMetadataOnly(true);
PgpDecryptVerifyResult decryptVerifyResult = builder.build().execute();
resultData.putParcelable(RESULT_DECRYPT_VERIFY_RESULT, decryptVerifyResult);
/* Output */
OtherHelper.logDebugBundle(resultData, "resultData");
sendMessageToHandler(KeychainIntentServiceHandler.MESSAGE_OKAY, resultData);
} catch (Exception e) {
sendErrorToHandler(e);
@@ -356,7 +400,7 @@ public class KeychainIntentService extends IntentService
UncachedKeyRing ring = result.getRing();
providerHelper.saveSecretKeyRing(ring, new ProgressScaler(this, 60, 95, 100));
providerHelper.saveSecretKeyRing(ring, new ProgressScaler(this, 60, 95, 100));
// cache new passphrase
if (saveParcel.mNewPassphrase != null) {
@@ -403,7 +447,7 @@ public class KeychainIntentService extends IntentService
} else {
// get entries from cached file
FileImportCache<ParcelableKeyRing> cache =
new FileImportCache<ParcelableKeyRing>(this);
new FileImportCache<ParcelableKeyRing>(this);
entries = cache.readCacheIntoList();
}
@@ -576,7 +620,7 @@ public class KeychainIntentService extends IntentService
CanonicalizedPublicKeyRing publicRing = providerHelper.getCanonicalizedPublicKeyRing(pubKeyId);
CanonicalizedSecretKeyRing secretKeyRing = providerHelper.getCanonicalizedSecretKeyRing(masterKeyId);
CanonicalizedSecretKey certificationKey = secretKeyRing.getSecretKey();
if(!certificationKey.unlock(signaturePassphrase)) {
if (!certificationKey.unlock(signaturePassphrase)) {
throw new PgpGeneralException("Error extracting key (bad passphrase?)");
}
UncachedKeyRing newRing = certificationKey.certifyUserIds(publicRing, userIds);
@@ -729,6 +773,27 @@ public class KeychainIntentService extends IntentService
}
}
private String getOriginalFilename(Bundle data) throws PgpGeneralException, FileNotFoundException {
int target = data.getInt(TARGET);
switch (target) {
case IO_BYTES:
return "";
case IO_URI:
Uri providerUri = data.getParcelable(ENCRYPT_INPUT_URI);
return FileHelper.getFilename(this, providerUri);
case IO_URIS:
providerUri = data.<Uri>getParcelableArrayList(ENCRYPT_INPUT_URIS).get(data.getInt(SELECTED_URI));
return FileHelper.getFilename(this, providerUri);
default:
throw new PgpGeneralException("No target choosen!");
}
}
private OutputStream createCryptOutputStream(Bundle data) throws PgpGeneralException, FileNotFoundException {
int target = data.getInt(TARGET);
switch (target) {