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[#613][watch适配]新增三种加密方式 (#614)
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@jianbo-oppo
jianbo-oppo authored Nov 21, 2023
1 parent 567429e commit b143a48
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Showing 2 changed files with 112 additions and 7 deletions.
93 changes: 86 additions & 7 deletions core/runtime/android/features/src/main/java/org/hapjs/features/CipherFeature.java
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,15 @@
package org.hapjs.features;

import android.util.Base64;

import org.hapjs.bridge.FeatureExtension;
import org.hapjs.bridge.Request;
import org.hapjs.bridge.Response;
import org.hapjs.bridge.annotation.ActionAnnotation;
import org.hapjs.bridge.annotation.FeatureExtensionAnnotation;
import org.hapjs.common.utils.DigestUtils;
import org.json.JSONObject;

import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.security.InvalidAlgorithmParameterException;
Expand All @@ -17,46 +26,50 @@
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;

import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.hapjs.bridge.FeatureExtension;
import org.hapjs.bridge.Request;
import org.hapjs.bridge.Response;
import org.hapjs.bridge.annotation.ActionAnnotation;
import org.hapjs.bridge.annotation.FeatureExtensionAnnotation;
import org.json.JSONObject;

@FeatureExtensionAnnotation(
name = CipherFeature.FEATURE_NAME,
residentType = FeatureExtensionAnnotation.ResidentType.USEABLE,
actions = {
@ActionAnnotation(name = CipherFeature.ACTION_RSA, mode = FeatureExtension.Mode.ASYNC),
@ActionAnnotation(name = CipherFeature.ACTION_AES, mode = FeatureExtension.Mode.ASYNC),
@ActionAnnotation(name = CipherFeature.ACTION_BASE64, mode = FeatureExtension.Mode.ASYNC),
@ActionAnnotation(name = CipherFeature.ACTION_CRC32, mode = FeatureExtension.Mode.ASYNC),
@ActionAnnotation(name = CipherFeature.ACTION_HASH, mode = FeatureExtension.Mode.SYNC),
})
public class CipherFeature extends FeatureExtension {
protected static final String FEATURE_NAME = "system.cipher";

protected static final String ACTION_RSA = "rsa";
protected static final String ACTION_AES = "aes";
protected static final String ACTION_BASE64 = "base64";
protected static final String ACTION_CRC32 = "crc32";
protected static final String ACTION_HASH = "hash";

protected static final String PARAM_ACTION = "action";
protected static final String PARAM_TEXT = "text";
protected static final String PARAM_CONTENT = "content";
protected static final String PARAM_KEY = "key";
protected static final String PARAM_TRANSFORMATION = "transformation";
protected static final String PARAM_IV = "iv";
protected static final String PARAM_IV_LEN = "ivLen";
protected static final String PARAM_IV_OFFSET = "ivOffset";
protected static final String PARAM_ALGORITHM = "algorithm";

protected static final String RESULT_TEXT = "text";

private static final String TRANSFORMATION_DEFAULT = "RSA/None/OAEPwithSHA-256andMGF1Padding";
private static final String AES_TRANSFORMATION_DEFAULT = "AES/CBC/PKCS5Padding";
private static final String ACTION_ENCRYPT = "encrypt";
private static final String ACTION_DECRYPT = "decrypt";
private static final String ALGORITHM_HASH = "md5";
private static final String ALGORITHM_SHA256 = "sha256";
private static final int IV_LEN_DEFAULT = 16;

@Override
Expand All @@ -74,12 +87,78 @@ protected Response invokeInner(Request request) throws Exception {
case ACTION_AES:
aes(request);
break;
case ACTION_BASE64:
base64(request);
break;
case ACTION_CRC32:
crc32(request);
break;
case ACTION_HASH:
return hash(request);
default:
return Response.NO_ACTION;
}
return Response.SUCCESS;
}

private Response hash(Request request) throws Exception {
JSONObject jsonParams = request.getJSONParams();
if (jsonParams == null) {
return new Response(Response.CODE_ILLEGAL_ARGUMENT, "Invalid param");
}
String content = jsonParams.getString(PARAM_CONTENT);
String algorithm = jsonParams.getString(PARAM_ALGORITHM);
String result;
if (ALGORITHM_HASH.equals(algorithm)) {
result = DigestUtils.getMd5(content.getBytes(StandardCharsets.UTF_8));
} else if (ALGORITHM_SHA256.equals(algorithm)) {
result = DigestUtils.getSha256(content.getBytes(StandardCharsets.UTF_8));
} else {
return new Response(Response.CODE_ILLEGAL_ARGUMENT, "Invalid algorithm");
}

return new Response(result);
}

private void crc32(Request request) throws Exception {
JSONObject jsonParams = request.getJSONParams();
if (jsonParams == null) {
request.getCallback().callback(new Response(Response.CODE_ILLEGAL_ARGUMENT, "Invalid param"));
return;
}
String content = jsonParams.getString(PARAM_CONTENT);
int result = DigestUtils.crc32(content.getBytes(StandardCharsets.UTF_8));
JSONObject data = new JSONObject();
data.put(PARAM_TEXT, result);
request.getCallback().callback(new Response(data));
}

private void base64(Request request) throws Exception {
JSONObject jsonParams = request.getJSONParams();
if (jsonParams == null) {
request.getCallback().callback(new Response(Response.CODE_ILLEGAL_ARGUMENT, "Invalid param"));
return;
}
String action = jsonParams.getString(PARAM_ACTION);
String text = jsonParams.getString(PARAM_TEXT);
String result;
if (ACTION_ENCRYPT.equals(action)) {
byte[] textBytes = text.getBytes(StandardCharsets.UTF_8);
result = Base64.encodeToString(textBytes, Base64.DEFAULT);
} else if (ACTION_DECRYPT.equals(action)) {
byte[] textBytes = Base64.decode(text, Base64.DEFAULT);
result = new String(textBytes, StandardCharsets.UTF_8);
} else {
Response response = new Response(Response.CODE_ILLEGAL_ARGUMENT, "Invalid action");
request.getCallback().callback(response);
return;
}

JSONObject data = new JSONObject();
data.put(RESULT_TEXT, result);
request.getCallback().callback(new Response(data));
}

private void rsa(Request request) throws Exception {
JSONObject jsonParams = request.getJSONParams();
if (jsonParams == null) {
Expand Down
26 changes: 26 additions & 0 deletions core/runtime/android/runtime/src/main/java/org/hapjs/common/utils/DigestUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -6,8 +6,10 @@
package org.hapjs.common.utils;

import android.util.Log;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.zip.CRC32;

public class DigestUtils {
private static final String TAG = "DigestUtils";
Expand All @@ -18,9 +20,33 @@ public static String getSha256(byte[] data) {
MessageDigest digest = MessageDigest.getInstance("SHA-256");
digest.update(data);
return StringUtils.byte2HexString(digest.digest());
} catch (NoSuchAlgorithmException e) {
Log.e(TAG, "Sha256 algorithm NOT found.", e);
}
return hashString.toLowerCase();
}

public static String getMd5(byte[] data) {
String hashString = "";
try {
MessageDigest digest = MessageDigest.getInstance("MD5");
digest.update(data);
return StringUtils.byte2HexString(digest.digest());
} catch (NoSuchAlgorithmException e) {
Log.e(TAG, "Md5 algorithm NOT found.", e);
}
return hashString.toLowerCase();
}

public static int crc32(byte[] content) {
try {
final CRC32 CRC32 = new CRC32();
CRC32.reset();
CRC32.update(content);
return (int) CRC32.getValue();
} catch (Exception e) {
Log.e(TAG, "crc32 algorithm fail.", e);
}
return -1;
}
}

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