SoftwareIdentityCredentialStore.java
/*
* Copyright 2019 The Android Open Source Project
*
* 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 androidx.security.identity;
import android.content.Context;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import java.util.LinkedHashSet;
import java.util.Set;
class SoftwareIdentityCredentialStore extends IdentityCredentialStore {
private static final String TAG = "SoftwareIdentityCredentialStore";
private Context mContext = null;
private SoftwareIdentityCredentialStore(@NonNull Context context) {
mContext = context;
}
@SuppressWarnings("deprecation")
public static @NonNull IdentityCredentialStore getInstance(@NonNull Context context) {
return new SoftwareIdentityCredentialStore(context);
}
@SuppressWarnings("deprecation")
public static @NonNull IdentityCredentialStore getDirectAccessInstance(@NonNull
Context context) {
throw new RuntimeException("Direct-access IdentityCredential is not supported");
}
@SuppressWarnings("deprecation")
public static boolean isDirectAccessSupported(@NonNull Context context) {
return false;
}
@SuppressWarnings("deprecation")
@Override
public @NonNull String[] getSupportedDocTypes() {
Set<String> docTypeSet = getCapabilities().getSupportedDocTypes();
String[] docTypes = new String[docTypeSet.size()];
int n = 0;
for (String docType : docTypeSet) {
docTypes[n++] = docType;
}
return docTypes;
}
SimpleIdentityCredentialStoreCapabilities mCapabilities = null;
@Override
public @NonNull
IdentityCredentialStoreCapabilities getCapabilities() {
if (mCapabilities == null) {
LinkedHashSet<String> supportedDocTypesSet = new LinkedHashSet<>();
mCapabilities = SimpleIdentityCredentialStoreCapabilities.getFeatureVersion202101(
false,
false,
supportedDocTypesSet);
}
return mCapabilities;
}
@Override
public @NonNull WritableIdentityCredential createCredential(
@NonNull String credentialName,
@NonNull String docType) throws AlreadyPersonalizedException,
DocTypeNotSupportedException {
return new SoftwareWritableIdentityCredential(mContext, credentialName, docType);
}
@Override
public @Nullable IdentityCredential getCredentialByName(
@NonNull String credentialName,
@Ciphersuite int cipherSuite) throws CipherSuiteNotSupportedException {
SoftwareIdentityCredential credential =
new SoftwareIdentityCredential(mContext, credentialName, cipherSuite);
if (credential.loadData()) {
return credential;
}
return null;
}
@SuppressWarnings("deprecation")
@Override
public @Nullable byte[] deleteCredentialByName(@NonNull String credentialName) {
return SoftwareIdentityCredential.delete(mContext, credentialName);
}
}