From 1ae04c3850eb876c7f4d1956089741e747691b3a Mon Sep 17 00:00:00 2001 From: YuutaW <17158086+trumeet@users.noreply.github.com> Date: Thu, 16 May 2019 16:03:24 -0700 Subject: refactor: remove #Anti-Crack Signed-off-by: YuutaW <17158086+Trumeet@users.noreply.github.com> --- .../java/moe/yuuta/gplicense/AESObfuscator.java | 94 ---- .../java/moe/yuuta/gplicense/DeviceLimiter.java | 31 -- .../java/moe/yuuta/gplicense/LicenseChecker.java | 356 ------------- .../yuuta/gplicense/LicenseCheckerCallback.java | 51 -- .../java/moe/yuuta/gplicense/LicenseValidator.java | 219 -------- .../moe/yuuta/gplicense/NullDeviceLimiter.java | 16 - .../main/java/moe/yuuta/gplicense/Obfuscator.java | 32 -- app/src/main/java/moe/yuuta/gplicense/Policy.java | 49 -- .../moe/yuuta/gplicense/PreferenceObfuscator.java | 63 --- .../java/moe/yuuta/gplicense/ResponseData.java | 65 --- .../moe/yuuta/gplicense/ServerManagedPolicy.java | 282 ----------- .../moe/yuuta/gplicense/ValidationException.java | 17 - .../main/java/moe/yuuta/gplicense/util/Base64.java | 556 --------------------- .../gplicense/util/Base64DecoderException.java | 18 - .../moe/yuuta/gplicense/util/URIQueryDecoder.java | 42 -- 15 files changed, 1891 deletions(-) delete mode 100644 app/src/main/java/moe/yuuta/gplicense/AESObfuscator.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/DeviceLimiter.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/LicenseChecker.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/LicenseCheckerCallback.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/LicenseValidator.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/NullDeviceLimiter.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/Obfuscator.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/Policy.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/ResponseData.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/ServerManagedPolicy.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/ValidationException.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/util/Base64.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/util/Base64DecoderException.java delete mode 100644 app/src/main/java/moe/yuuta/gplicense/util/URIQueryDecoder.java (limited to 'app/src/main/java/moe/yuuta/gplicense') diff --git a/app/src/main/java/moe/yuuta/gplicense/AESObfuscator.java b/app/src/main/java/moe/yuuta/gplicense/AESObfuscator.java deleted file mode 100644 index 7370f58..0000000 --- a/app/src/main/java/moe/yuuta/gplicense/AESObfuscator.java +++ /dev/null @@ -1,94 +0,0 @@ -package moe.yuuta.gplicense; - -import java.io.UnsupportedEncodingException; -import java.security.GeneralSecurityException; -import java.security.spec.KeySpec; - -import javax.crypto.BadPaddingException; -import javax.crypto.Cipher; -import javax.crypto.IllegalBlockSizeException; -import javax.crypto.SecretKey; -import javax.crypto.SecretKeyFactory; -import javax.crypto.spec.IvParameterSpec; -import javax.crypto.spec.PBEKeySpec; -import javax.crypto.spec.SecretKeySpec; - -import moe.yuuta.gplicense.util.Base64; -import moe.yuuta.gplicense.util.Base64DecoderException; - -/** - * An Obfuscator that uses AES to encrypt data. - */ -public class AESObfuscator implements Obfuscator { - private static final String UTF8 = "UTF-8"; - private static final String KEYGEN_ALGORITHM = "PBEWITHSHAAND256BITAES-CBC-BC"; - private static final String CIPHER_ALGORITHM = "AES/CBC/PKCS5Padding"; - private static final byte[] IV = - {16, 74, 71, -80, 32, 101, -47, 72, 117, -14, 0, -29, 70, 65, -12, 74}; - private static final String header = "moe.yuuta.workmode.AO-1|"; - - private Cipher mEncryptor; - private Cipher mDecryptor; - - /** - * @param salt an array of random bytes to use for each (un)obfuscation - * @param applicationId application identifier, e.g. the package name - * @param deviceId device identifier. Use as many sources as possible to - * create this unique identifier. - */ - public AESObfuscator(byte[] salt, String applicationId, String deviceId) { - try { - SecretKeyFactory factory = SecretKeyFactory.getInstance(KEYGEN_ALGORITHM); - KeySpec keySpec = - new PBEKeySpec((applicationId + deviceId).toCharArray(), salt, 1024, 256); - SecretKey tmp = factory.generateSecret(keySpec); - SecretKey secret = new SecretKeySpec(tmp.getEncoded(), "AES"); - mEncryptor = Cipher.getInstance(CIPHER_ALGORITHM); - mEncryptor.init(Cipher.ENCRYPT_MODE, secret, new IvParameterSpec(IV)); - mDecryptor = Cipher.getInstance(CIPHER_ALGORITHM); - mDecryptor.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(IV)); - } catch (GeneralSecurityException e) { - // This can't happen on a compatible Android device. - throw new RuntimeException("Invalid environment", e); - } - } - - public String obfuscate(String original, String key) { - if (original == null) { - return null; - } - try { - // Header is appended as an integrity check - return Base64.encode(mEncryptor.doFinal((header + key + original).getBytes(UTF8))); - } catch (UnsupportedEncodingException e) { - throw new RuntimeException("Invalid environment", e); - } catch (GeneralSecurityException e) { - throw new RuntimeException("Invalid environment", e); - } - } - - public String unobfuscate(String obfuscated, String key) throws ValidationException { - if (obfuscated == null) { - return null; - } - try { - String result = new String(mDecryptor.doFinal(Base64.decode(obfuscated)), UTF8); - // Check for presence of header. This serves as a final integrity check, for cases - // where the block size is correct during decryption. - int headerIndex = result.indexOf(header + key); - if (headerIndex != 0) { - throw new ValidationException("Header not found (invalid data or key)" + ":" + - obfuscated); - } - return result.substring(header.length() + key.length(), result.length()); - } catch (Base64DecoderException e) { - throw new ValidationException(e.getMessage() + ":" + obfuscated); - } catch (IllegalBlockSizeException e) { - throw new ValidationException(e.getMessage() + ":" + obfuscated); - } catch (BadPaddingException e) { - throw new ValidationException(e.getMessage() + ":" + obfuscated); - } catch (UnsupportedEncodingException e) { - throw new RuntimeException("Invalid environment", e); - } - } -} \ No newline at end of file diff --git a/app/src/main/java/moe/yuuta/gplicense/DeviceLimiter.java b/app/src/main/java/moe/yuuta/gplicense/DeviceLimiter.java deleted file mode 100644 index c2343d9..0000000 --- a/app/src/main/java/moe/yuuta/gplicense/DeviceLimiter.java +++ /dev/null @@ -1,31 +0,0 @@ -package moe.yuuta.gplicense; - -/** - * Allows the developer to limit the number of devices using a single license. - *
- * The LICENSED response from the server contains a user identifier unique to - * the <application, user> pair. The developer can send this identifier - * to their own server along with some device identifier (a random number - * generated and stored once per application installation, - * {@link android.telephony.TelephonyManager#getDeviceId getDeviceId}, - * {@link android.provider.Settings.Secure#ANDROID_ID ANDROID_ID}, etc). - * The more sources used to identify the device, the harder it will be for an - * attacker to spoof. - *
- * The server can look at the <application, user, device id> tuple and - * restrict a user's application license to run on at most 10 different devices - * in a week (for example). We recommend not being too restrictive because a - * user might legitimately have multiple devices or be in the process of - * changing phones. This will catch egregious violations of multiple people - * sharing one license. - */ -public interface DeviceLimiter { - - /** - * Checks if this device is allowed to use the given user's license. - * - * @param userId the user whose license the server responded with - * @return LICENSED if the device is allowed, NOT_LICENSED if not, RETRY if an error occurs - */ - int isDeviceAllowed(String userId); -} \ No newline at end of file diff --git a/app/src/main/java/moe/yuuta/gplicense/LicenseChecker.java b/app/src/main/java/moe/yuuta/gplicense/LicenseChecker.java deleted file mode 100644 index e909aec..0000000 --- a/app/src/main/java/moe/yuuta/gplicense/LicenseChecker.java +++ /dev/null @@ -1,356 +0,0 @@ -package moe.yuuta.gplicense; - -import android.annotation.SuppressLint; -import android.content.ComponentName; -import android.content.Context; -import android.content.Intent; -import android.content.pm.PackageManager.NameNotFoundException; -import android.os.Handler; -import android.os.HandlerThread; -import android.os.IBinder; -import android.os.RemoteException; -import android.provider.Settings.Secure; -import com.elvishew.xlog.Logger; -import com.elvishew.xlog.XLog; -import moe.yuuta.ext.*; -import moe.yuuta.gplicense.util.Base64; -import moe.yuuta.gplicense.util.Base64DecoderException; -import moe.yuuta.workmode.BuildConfig; - -import java.security.KeyFactory; -import java.security.NoSuchAlgorithmException; -import java.security.PublicKey; -import java.security.SecureRandom; -import java.security.spec.InvalidKeySpecException; -import java.security.spec.X509EncodedKeySpec; -import java.util.*; - -/** - * Client library for Google Play license verifications. - *
- * The LicenseChecker is configured via a {@link Policy} which contains the logic to determine - * whether a user should have access to the application. For example, the Policy can define a - * threshold for allowable number of server or client failures before the library reports the user - * as not having access. - *
- * Must also provide the Base64-encoded RSA public key associated with your developer account. The
- * public key is obtainable from the publisher site.
- */
-public class LicenseChecker implements ConnCallback {
- private static final Logger logger = XLog.tag("LCK").build();
-
- private static final String KEY_FACTORY_ALGORITHM = "RSA";
-
- // Timeout value (in milliseconds) for calls to service.
- private static final int TIMEOUT_MS = 10 * 1000;
-
- private static final SecureRandom RANDOM = new SecureRandom();
- private static final boolean DEBUG_LICENSE_ERROR = BuildConfig.DEBUG;
-
- private IService mService;
-
- private PublicKey mPublicKey;
- private final Context mContext;
- private final Policy mPolicy;
- /**
- * A handler for running tasks on a background thread. We don't want license processing to block
- * the UI thread.
- */
- private Handler mHandler;
- private final String mPackageName;
- private final String mVersionCode;
- private final Set
- * NOTE: This call uses a trivially obfuscated string (base64-encoded). For best security, we
- * recommend obfuscating the string that is passed into bindService using another method of your
- * own devising.
- *
- * source string: "com.android.vending.licensing.IService"
- *
- *
- * @param callback
- */
- public synchronized void checkAccess(LicenseCheckerCallback callback) {
- // If we have a valid recent LICENSED response, we can skip asking
- // Market.
- if (mPolicy.allowAccess()) {
- logger.i("Using cached response");
- callback.allow(Policy.LICENSED);
- } else {
- LicenseValidator validator = new LicenseValidator(mPolicy, new NullDeviceLimiter(),
- callback, generateNonce(), mPackageName, mVersionCode);
-
- if (mService == null) {
- logger.i("Binding to service.");
- try {
- mConn = new LicServiceConn(this);
- boolean bindResult = mContext
- .bindService(
- new Intent(
- new String(
- // Base64 encoded -
- // com.android.vending.licensing.IService
- // Consider encoding this in another way in your
- // code to improve security
- Base64.decode(
- "Y29tLmFuZHJvaWQudmVuZGluZy5saWNlbnNpbmcuSUxpY2Vuc2luZ1NlcnZpY2U=")))
- // As of Android 5.0, implicit
- // Service Intents are no longer
- // allowed because it's not
- // possible for the user to
- // participate in disambiguating
- // them. This does mean we break
- // compatibility with Android
- // Cupcake devices with this
- // release, since setPackage was
- // added in Donut.
- .setPackage(
- new String(
- // Base64
- // encoded -
- // com.android.vending
- Base64.decode(
- "Y29tLmFuZHJvaWQudmVuZGluZw=="))),
- mConn, // ServiceConnection.
- Context.BIND_AUTO_CREATE);
- if (bindResult) {
- mPendingChecks.offer(validator);
- } else {
- logger.e("Could not bind to service.");
- handleServiceConnectionError(validator);
- }
- } catch (SecurityException e) {
- callback.applicationError(LicenseCheckerCallback.ERROR_MISSING_PERMISSION);
- } catch (Base64DecoderException e) {
- e.printStackTrace();
- }
- } else {
- mPendingChecks.offer(validator);
- runChecks();
- }
- }
- }
-
- private void runChecks() {
- LicenseValidator validator;
- while ((validator = mPendingChecks.poll()) != null) {
- try {
- logger.i("Executing on service for " + validator.getPackageName());
- mService.exec(
- validator.getNonce(), validator.getPackageName(),
- new IPCResultListener(new ResultListener(validator)));
- mChecksInProgress.add(validator);
- } catch (RemoteException e) {
- logger.w("RemoteException in exec call.", e);
- handleServiceConnectionError(validator);
- }
- }
- }
-
- private synchronized void finishCheck(LicenseValidator validator) {
- mChecksInProgress.remove(validator);
- if (mChecksInProgress.isEmpty()) {
- cleanupService();
- }
- }
-
- private class ResultListener implements ResultCallback {
- private final LicenseValidator mValidator;
- private Runnable mOnTimeout;
-
- public ResultListener(LicenseValidator validator) {
- mValidator = validator;
- mOnTimeout = () -> {
- logger.i("Check timed out.");
- handleServiceConnectionError(mValidator);
- finishCheck(mValidator);
- };
- startTimeout();
- }
-
- private static final int ERROR_CONTACTING_SERVER = 0x101;
- private static final int ERROR_INVALID_PACKAGE_NAME = 0x102;
- private static final int ERROR_NON_MATCHING_UID = 0x103;
-
- // Runs in IPC thread pool. Post it to the Handler, so we can guarantee
- // either this or the timeout runs.
- @Override
- public void verifyLicense(final int responseCode, final String signedData,
- final String signature) {
- mHandler.post(() -> {
- logger.i("Received response. (code: " + responseCode + ")");
- // Make sure it hasn't already timed out.
- if (mChecksInProgress.contains(mValidator)) {
- clearTimeout();
- mValidator.verify(mPublicKey, responseCode, signedData, signature);
- finishCheck(mValidator);
- }
- if (DEBUG_LICENSE_ERROR) {
- boolean logResponse;
- String stringError = null;
- switch (responseCode) {
- case ERROR_CONTACTING_SERVER:
- logResponse = true;
- stringError = "ERROR_CONTACTING_SERVER";
- break;
- case ERROR_INVALID_PACKAGE_NAME:
- logResponse = true;
- stringError = "ERROR_INVALID_PACKAGE_NAME";
- break;
- case ERROR_NON_MATCHING_UID:
- logResponse = true;
- stringError = "ERROR_NON_MATCHING_UID";
- break;
- default:
- logResponse = false;
- }
-
- if (logResponse) {
- @SuppressLint("HardwareIds") String android_id = Secure.getString(mContext.getContentResolver(),
- Secure.ANDROID_ID);
- Date date = new Date();
- logger.d("Server Failure: " + stringError);
- logger.d("Android ID: " + android_id);
- logger.d("Time: " + date.toGMTString());
- }
- }
-
- });
- }
-
- private void startTimeout() {
- logger.i("Start monitoring timeout.");
- mHandler.postDelayed(mOnTimeout, TIMEOUT_MS);
- }
-
- private void clearTimeout() {
- logger.i("Clearing timeout.");
- mHandler.removeCallbacks(mOnTimeout);
- }
- }
-
- @Override
- public synchronized void onServiceConnected(ComponentName name, IBinder service) {
- mService = IService.Stub.asInterface(service);
- runChecks();
- }
-
- @Override
- public synchronized void onServiceDisconnected(ComponentName name) {
- // Called when the connection with the service has been
- // unexpectedly disconnected. That is, Market crashed.
- // If there are any checks in progress, the timeouts will handle them.
- logger.w("Service unexpectedly disconnected.");
- mService = null;
- }
-
- /**
- * Generates policy response for service connection errors, as a result of disconnections or
- * timeouts.
- */
- private synchronized void handleServiceConnectionError(LicenseValidator validator) {
- mPolicy.processServerResponse(Policy.RETRY, null);
-
- if (mPolicy.allowAccess()) {
- validator.getCallback().allow(Policy.RETRY);
- } else {
- validator.getCallback().dontAllow(Policy.RETRY);
- }
- }
-
- /** Unbinds service if necessary and removes reference to it. */
- private void cleanupService() {
- if (mService != null) {
- try {
- mContext.unbindService(mConn);
- } catch (IllegalArgumentException e) {
- // Somehow we've already been unbound. This is a non-fatal
- // error.
- logger.e("Unable to unbind from licensing service (already unbound)");
- }
- mService = null;
- }
- }
-
- /**
- * Inform the library that the hostContext is about to be destroyed, so that any open connections
- * can be cleaned up.
- *
- * Failure to call this method can result in a crash under certain circumstances, such as during
- * screen rotation if an Activity requests the license check or when the user exits the
- * application.
- */
- public synchronized void onDestroy() {
- cleanupService();
- mHandler.getLooper().quit();
- }
-
- /** Generates a nonce (number used once). */
- private int generateNonce() {
- return RANDOM.nextInt();
- }
-
- /**
- * Get version code for the application package name.
- *
- * @param context
- * @param packageName application package name
- * @return the version code or empty string if package not found
- */
- private static String getVersionCode(Context context, String packageName) {
- try {
- return String.valueOf(
- context.getPackageManager().getPackageInfo(packageName, 0).versionCode);
- } catch (NameNotFoundException e) {
- logger.e("Package not found. could not get version code.");
- return "";
- }
- }
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/LicenseCheckerCallback.java b/app/src/main/java/moe/yuuta/gplicense/LicenseCheckerCallback.java
deleted file mode 100644
index 214f152..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/LicenseCheckerCallback.java
+++ /dev/null
@@ -1,51 +0,0 @@
-package moe.yuuta.gplicense;
-
-/**
- * Callback for the license checker library.
- *
- * Upon checking with the Market server and conferring with the {@link Policy},
- * the library calls the appropriate callback method to communicate the result.
- *
- * The callback does not occur in the original checking thread. Your
- * application should post to the appropriate handling thread or lock
- * accordingly.
- *
- * The reason that is passed back with allow/dontAllow is the base status handed
- * to the policy for allowed/disallowing the license. Policy.RETRY will call
- * allow or dontAllow depending on other statistics associated with the policy,
- * while in most cases Policy.NOT_LICENSED will call dontAllow and
- * Policy.LICENSED will Allow.
- */
-public interface LicenseCheckerCallback {
-
- /**
- * Allow use. App should proceed as normal.
- *
- * @param reason Policy.LICENSED or Policy.RETRY typically. (although in
- * theory the policy can return Policy.NOT_LICENSED here as well)
- */
- void allow(int reason);
-
- /**
- * Don't allow use. App should inform user and take appropriate action.
- *
- * @param reason Policy.NOT_LICENSED or Policy.RETRY. (although in theory
- * the policy can return Policy.LICENSED here as well ---
- * perhaps the call to the LVL took too long, for example)
- */
- void dontAllow(int reason);
-
- /** Application error codes. */
- int ERROR_INVALID_PACKAGE_NAME = 1;
- int ERROR_NON_MATCHING_UID = 2;
- int ERROR_NOT_MARKET_MANAGED = 3;
- int ERROR_CHECK_IN_PROGRESS = 4;
- int ERROR_INVALID_PUBLIC_KEY = 5;
- int ERROR_MISSING_PERMISSION = 6;
-
- /**
- * Error in application code. Caller did not call or set up license checker
- * correctly. Should be considered fatal.
- */
- void applicationError(int errorCode);
-}
diff --git a/app/src/main/java/moe/yuuta/gplicense/LicenseValidator.java b/app/src/main/java/moe/yuuta/gplicense/LicenseValidator.java
deleted file mode 100644
index d34d614..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/LicenseValidator.java
+++ /dev/null
@@ -1,219 +0,0 @@
-package moe.yuuta.gplicense;
-
-import android.text.TextUtils;
-
-import com.elvishew.xlog.Logger;
-import com.elvishew.xlog.XLog;
-
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-import java.security.PublicKey;
-import java.security.Signature;
-import java.security.SignatureException;
-
-import moe.yuuta.gplicense.util.Base64;
-import moe.yuuta.gplicense.util.Base64DecoderException;
-
-/**
- * Contains data related to a licensing request and methods to verify
- * and process the response.
- */
-class LicenseValidator {
- private final Logger logger = XLog.tag("LVter").build();
-
- // Server response codes.
- private static final int LICENSED = 0x0;
- private static final int NOT_LICENSED = 0x1;
- private static final int LICENSED_OLD_KEY = 0x2;
- private static final int ERROR_NOT_MARKET_MANAGED = 0x3;
- private static final int ERROR_SERVER_FAILURE = 0x4;
- private static final int ERROR_OVER_QUOTA = 0x5;
-
- private static final int ERROR_CONTACTING_SERVER = 0x101;
- private static final int ERROR_INVALID_PACKAGE_NAME = 0x102;
- private static final int ERROR_NON_MATCHING_UID = 0x103;
-
- private final Policy mPolicy;
- private final LicenseCheckerCallback mCallback;
- private final int mNonce;
- private final String mPackageName;
- private final String mVersionCode;
- private final DeviceLimiter mDeviceLimiter;
-
- LicenseValidator(Policy policy, DeviceLimiter deviceLimiter, LicenseCheckerCallback callback,
- int nonce, String packageName, String versionCode) {
- mPolicy = policy;
- mDeviceLimiter = deviceLimiter;
- mCallback = callback;
- mNonce = nonce;
- mPackageName = packageName;
- mVersionCode = versionCode;
- }
-
- public LicenseCheckerCallback getCallback() {
- return mCallback;
- }
-
- public int getNonce() {
- return mNonce;
- }
-
- public String getPackageName() {
- return mPackageName;
- }
-
- private static final String SIGNATURE_ALGORITHM = "SHA1withRSA";
-
- /**
- * Verifies the response from server and calls appropriate callback method.
- *
- * @param publicKey public key associated with the developer account
- * @param responseCode server response code
- * @param signedData signed data from server
- * @param signature server signature
- */
- public void verify(PublicKey publicKey, int responseCode, String signedData, String signature) {
- String userId = null;
- // Skip signature check for unsuccessful requests
- ResponseData data = null;
- if (responseCode == LICENSED || responseCode == NOT_LICENSED ||
- responseCode == LICENSED_OLD_KEY) {
- // Verify signature.
- try {
- if (TextUtils.isEmpty(signedData)) {
- logger.e("Signature verification failed: signedData is empty. " +
- "(Device not signed-in to any Google accounts?)");
- handleInvalidResponse();
- return;
- }
-
- Signature sig = Signature.getInstance(SIGNATURE_ALGORITHM);
- sig.initVerify(publicKey);
- sig.update(signedData.getBytes());
-
- if (!sig.verify(Base64.decode(signature))) {
- logger.e("Signature verification failed.");
- handleInvalidResponse();
- return;
- }
- } catch (NoSuchAlgorithmException e) {
- // This can't happen on an Android compatible device.
- throw new RuntimeException(e);
- } catch (InvalidKeyException e) {
- handleApplicationError(LicenseCheckerCallback.ERROR_INVALID_PUBLIC_KEY);
- return;
- } catch (SignatureException e) {
- throw new RuntimeException(e);
- } catch (Base64DecoderException e) {
- logger.e("Could not Base64-decode signature.");
- handleInvalidResponse();
- return;
- }
-
- // Parse and validate response.
- try {
- data = ResponseData.parse(signedData);
- } catch (IllegalArgumentException e) {
- logger.e("Could not parse response.");
- handleInvalidResponse();
- return;
- }
-
- if (data.responseCode != responseCode) {
- logger.e("Response codes don't match.");
- handleInvalidResponse();
- return;
- }
-
- if (data.nonce != mNonce) {
- logger.e("Nonce doesn't match.");
- handleInvalidResponse();
- return;
- }
-
- if (!data.packageName.equals(mPackageName)) {
- logger.e("Package name doesn't match.");
- handleInvalidResponse();
- return;
- }
-
- if (!data.versionCode.equals(mVersionCode)) {
- logger.e("Version codes don't match.");
- handleInvalidResponse();
- return;
- }
-
- // Application-specific user identifier.
- userId = data.userId;
- if (TextUtils.isEmpty(userId)) {
- logger.e("User identifier is empty.");
- handleInvalidResponse();
- return;
- }
- }
-
- logger.d("Final code: " + responseCode);
- switch (responseCode) {
- case LICENSED:
- case LICENSED_OLD_KEY:
- int limiterResponse = mDeviceLimiter.isDeviceAllowed(userId);
- handleResponse(limiterResponse, data);
- break;
- case NOT_LICENSED:
- handleResponse(Policy.NOT_LICENSED, data);
- break;
- case ERROR_CONTACTING_SERVER:
- logger.w("Error contacting licensing server.");
- handleResponse(Policy.RETRY, data);
- break;
- case ERROR_SERVER_FAILURE:
- logger.w("An error has occurred on the licensing server.");
- handleResponse(Policy.RETRY, data);
- break;
- case ERROR_OVER_QUOTA:
- logger.w("Licensing server is refusing to talk to this device, over quota.");
- handleResponse(Policy.RETRY, data);
- break;
- case ERROR_INVALID_PACKAGE_NAME:
- handleApplicationError(LicenseCheckerCallback.ERROR_INVALID_PACKAGE_NAME);
- break;
- case ERROR_NON_MATCHING_UID:
- handleApplicationError(LicenseCheckerCallback.ERROR_NON_MATCHING_UID);
- break;
- case ERROR_NOT_MARKET_MANAGED:
- handleApplicationError(LicenseCheckerCallback.ERROR_NOT_MARKET_MANAGED);
- break;
- default:
- logger.e("Unknown response code for checking.");
- handleInvalidResponse();
- }
- }
-
- /**
- * Confers with policy and calls appropriate callback method.
- *
- * @param response
- * @param rawData
- */
- private void handleResponse(int response, ResponseData rawData) {
- logger.d("handle: " + response);
- // Update policy data and increment retry counter (if needed)
- mPolicy.processServerResponse(response, rawData);
-
- // Given everything we know, including cached data, ask the policy if we should grant
- // access.
- if (mPolicy.allowAccess()) {
- mCallback.allow(response);
- } else {
- mCallback.dontAllow(response);
- }
- }
-
- private void handleApplicationError(int code) {
- mCallback.applicationError(code);
- }
-
- private void handleInvalidResponse() {
- mCallback.dontAllow(Policy.NOT_LICENSED);
- }
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/NullDeviceLimiter.java b/app/src/main/java/moe/yuuta/gplicense/NullDeviceLimiter.java
deleted file mode 100644
index 63e7ae3..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/NullDeviceLimiter.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package moe.yuuta.gplicense;
-
-/**
- * A DeviceLimiter that doesn't limit the number of devices that can use a
- * given user's license.
- *
- * Unless you have reason to believe that your application is being pirated
- * by multiple users using the same license (signing in to Market as the same
- * user), we recommend you use this implementation.
- */
-public class NullDeviceLimiter implements DeviceLimiter {
-
- public int isDeviceAllowed(String userId) {
- return Policy.LICENSED;
- }
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/Obfuscator.java b/app/src/main/java/moe/yuuta/gplicense/Obfuscator.java
deleted file mode 100644
index e89030c..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/Obfuscator.java
+++ /dev/null
@@ -1,32 +0,0 @@
-package moe.yuuta.gplicense;
-
-/**
- * Interface used as part of a {@link Policy} to allow application authors to obfuscate
- * licensing data that will be stored into a SharedPreferences file.
- *
- * Any transformation scheme must be reversable. Implementing classes may optionally implement an
- * integrity check to further prevent modification to preference data. Implementing classes
- * should use device-specific information as a key in the obfuscation algorithm to prevent
- * obfuscated preferences from being shared among devices.
- */
-public interface Obfuscator {
-
- /**
- * Obfuscate a string that is being stored into shared preferences.
- *
- * @param original The data that is to be obfuscated.
- * @param key The key for the data that is to be obfuscated.
- * @return A transformed version of the original data.
- */
- String obfuscate(String original, String key);
-
- /**
- * Undo the transformation applied to data by the obfuscate() method.
- *
- * @param obfuscated The data that is to be un-obfuscated.
- * @param key The key for the data that is to be un-obfuscated.
- * @return The original data transformed by the obfuscate() method.
- * @throws ValidationException Optionally thrown if a data integrity check fails.
- */
- String unobfuscate(String obfuscated, String key) throws ValidationException;
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/Policy.java b/app/src/main/java/moe/yuuta/gplicense/Policy.java
deleted file mode 100644
index c261d82..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/Policy.java
+++ /dev/null
@@ -1,49 +0,0 @@
-package moe.yuuta.gplicense;
-
-/**
- * Policy used by {@link LicenseChecker} to determine whether a user should have
- * access to the application.
- */
-public interface Policy {
-
- /**
- * Change these values to make it more difficult for tools to automatically
- * strip LVL protection from your APK.
- */
-
- /**
- * LICENSED means that the server returned back a valid license response
- */
- int LICENSED = 0x0100;
- /**
- * NOT_LICENSED means that the server returned back a valid license response
- * that indicated that the user definitively is not licensed
- */
- int NOT_LICENSED = 0x0231;
- /**
- * RETRY means that the license response was unable to be determined ---
- * perhaps as a result of faulty networking
- */
- int RETRY = 0x0123;
-
- /**
- * Provide results from contact with the license server. Retry counts are
- * incremented if the current value of response is RETRY. Results will be
- * used for any future policy decisions.
- *
- * @param response the result from validating the server response
- * @param rawData the raw server response data, can be null for RETRY
- */
- void processServerResponse(int response, ResponseData rawData);
-
- /**
- * Check if the user should be allowed access to the application.
- */
- boolean allowAccess();
-
- /**
- * Gets the licensing URL returned by the server that can enable access for unlicensed apps (e.g.
- * buy app on the Play Store).
- */
- String getLicensingUrl();
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java b/app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java
deleted file mode 100644
index 0b02276..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/PreferenceObfuscator.java
+++ /dev/null
@@ -1,63 +0,0 @@
-package moe.yuuta.gplicense;
-
-import android.content.SharedPreferences;
-
-import com.elvishew.xlog.Logger;
-import com.elvishew.xlog.XLog;
-
-/**
- * An wrapper for SharedPreferences that transparently performs data obfuscation.
- */
-public class PreferenceObfuscator {
-
- private static final Logger logger = XLog.tag("PrefObfs").build();
-
- private final SharedPreferences mPreferences;
- private final Obfuscator mObfuscator;
- private SharedPreferences.Editor mEditor;
-
- /**
- * Constructor.
- *
- * @param sp A SharedPreferences instance provided by the system.
- * @param o The Obfuscator to use when reading or writing data.
- */
- public PreferenceObfuscator(SharedPreferences sp, Obfuscator o) {
- mPreferences = sp;
- mObfuscator = o;
- mEditor = null;
- }
-
- public void putString(String key, String value) {
- if (mEditor == null) {
- mEditor = mPreferences.edit();
- }
- String obfuscatedValue = mObfuscator.obfuscate(value, key);
- mEditor.putString(key, obfuscatedValue);
- }
-
- public String getString(String key, String defValue) {
- String result;
- String value = mPreferences.getString(key, null);
- if (value != null) {
- try {
- result = mObfuscator.unobfuscate(value, key);
- } catch (ValidationException e) {
- // Unable to unobfuscate, data corrupt or tampered
- logger.w("Validation error while reading preference: " + key);
- result = defValue;
- }
- } else {
- // Preference not found
- result = defValue;
- }
- return result;
- }
-
- public void commit() {
- if (mEditor != null) {
- mEditor.commit();
- mEditor = null;
- }
- }
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/ResponseData.java b/app/src/main/java/moe/yuuta/gplicense/ResponseData.java
deleted file mode 100644
index e588644..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/ResponseData.java
+++ /dev/null
@@ -1,65 +0,0 @@
-package moe.yuuta.gplicense;
-
-import android.text.TextUtils;
-
-import java.util.regex.Pattern;
-
-/**
- * ResponseData from licensing server.
- */
-public class ResponseData {
-
- public int responseCode;
- public int nonce;
- public String packageName;
- public String versionCode;
- public String userId;
- public long timestamp;
- /** Response-specific data. */
- public String extra;
-
- /**
- * Parses response string into ResponseData.
- *
- * @param responseData response data string
- * @throws IllegalArgumentException upon parsing error
- * @return ResponseData object
- */
- public static ResponseData parse(String responseData) {
- // Must parse out main response data and response-specific data.
- int index = responseData.indexOf(':');
- String mainData, extraData;
- if (-1 == index) {
- mainData = responseData;
- extraData = "";
- } else {
- mainData = responseData.substring(0, index);
- extraData = index >= responseData.length() ? "" : responseData.substring(index + 1);
- }
-
- String[] fields = TextUtils.split(mainData, Pattern.quote("|"));
- if (fields.length < 6) {
- throw new IllegalArgumentException("Wrong number of fields.");
- }
-
- ResponseData data = new ResponseData();
- data.extra = extraData;
- data.responseCode = Integer.parseInt(fields[0]);
- data.nonce = Integer.parseInt(fields[1]);
- data.packageName = fields[2];
- data.versionCode = fields[3];
- // Application-specific user identifier.
- data.userId = fields[4];
- data.timestamp = Long.parseLong(fields[5]);
-
- return data;
- }
-
- @Override
- public String toString() {
- return TextUtils.join("|", new Object[] {
- responseCode, nonce, packageName, versionCode,
- userId, timestamp
- });
- }
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/ServerManagedPolicy.java b/app/src/main/java/moe/yuuta/gplicense/ServerManagedPolicy.java
deleted file mode 100644
index f3b2308..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/ServerManagedPolicy.java
+++ /dev/null
@@ -1,282 +0,0 @@
-package moe.yuuta.gplicense;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import com.elvishew.xlog.Logger;
-import com.elvishew.xlog.XLog;
-import moe.yuuta.gplicense.util.URIQueryDecoder;
-
-import java.net.URI;
-import java.net.URISyntaxException;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * Default policy. All policy decisions are based off of response data received
- * from the licensing service. Specifically, the licensing server sends the
- * following information: response validity period, error retry period,
- * error retry count and a URL for restoring app access in unlicensed cases.
- *
- * These values will vary based on the the way the application is configured in
- * the Google Play publishing console, such as whether the application is
- * marked as free or is within its refund period, as well as how often an
- * application is checking with the licensing service.
- *
- * Developers who need more fine grained control over their application's
- * licensing policy should implement a custom Policy.
- */
-public class ServerManagedPolicy implements Policy {
- private final Logger logger = XLog.tag("DefPolicy").build();
- private static final String PREFS_FILE = "DefPol";
- private static final String PREF_LAST_RESPONSE = "la_resp";
- private static final String PREF_VALIDITY_TIMESTAMP = "ts";
- private static final String PREF_RETRY_UNTIL = "ret_utl";
- private static final String PREF_MAX_RETRIES = "max_ret";
- private static final String PREF_RETRY_COUNT = "ret_am";
- private static final String PREF_LICENSING_URL = "l_url";
- private static final String DEFAULT_VALIDITY_TIMESTAMP = "0";
- private static final String DEFAULT_RETRY_UNTIL = "0";
- private static final String DEFAULT_MAX_RETRIES = "0";
- private static final String DEFAULT_RETRY_COUNT = "0";
-
- private static final long MILLIS_PER_MINUTE = 60 * 1000;
-
- private long mValidityTimestamp;
- private long mRetryUntil;
- private long mMaxRetries;
- private long mRetryCount;
- private long mLastResponseTime = 0;
- private int mLastResponse;
- private String mLicensingUrl;
- private PreferenceObfuscator mPreferences;
-
- /**
- * @param context The hostContext for the current application
- * @param obfuscator An obfuscator to be used with preferences.
- */
- public ServerManagedPolicy(Context context, Obfuscator obfuscator) {
- // Import old values
- SharedPreferences sp = context.getSharedPreferences(PREFS_FILE, Context.MODE_PRIVATE);
- mPreferences = new PreferenceObfuscator(sp, obfuscator);
- mLastResponse = Integer.parseInt(
- mPreferences.getString(PREF_LAST_RESPONSE, Integer.toString(Policy.RETRY)));
- mValidityTimestamp = Long.parseLong(mPreferences.getString(PREF_VALIDITY_TIMESTAMP,
- DEFAULT_VALIDITY_TIMESTAMP));
- mRetryUntil = Long.parseLong(mPreferences.getString(PREF_RETRY_UNTIL, DEFAULT_RETRY_UNTIL));
- mMaxRetries = Long.parseLong(mPreferences.getString(PREF_MAX_RETRIES, DEFAULT_MAX_RETRIES));
- mRetryCount = Long.parseLong(mPreferences.getString(PREF_RETRY_COUNT, DEFAULT_RETRY_COUNT));
- mLicensingUrl = mPreferences.getString(PREF_LICENSING_URL, null);
- }
-
- /**
- * Process a new response from the license server.
- *
- * This data will be used for computing future policy decisions. The
- * following parameters are processed:
- *
- * I am placing this code in the Public Domain. Do with it as you will.
- * This software comes with no guarantees or warranties but with
- * plenty of well-wishing instead!
- * Please visit
- * http://iharder.net/xmlizable
- * periodically to check for updates or to contribute improvements.
- * Note {@link CharBase64} is a GWT-compatible implementation of this
- * class.
- */
-public class Base64 {
- /** Specify encoding (value is {@code true}). */
- public final static boolean ENCODE = true;
-
- /** Specify decoding (value is {@code false}). */
- public final static boolean DECODE = false;
-
- /** The equals sign (=) as a byte. */
- private final static byte EQUALS_SIGN = (byte) '=';
-
- /** The new line character (\n) as a byte. */
- private final static byte NEW_LINE = (byte) '\n';
-
- /**
- * The 64 valid Base64 values.
- */
- private final static byte[] ALPHABET =
- {(byte) 'A', (byte) 'B', (byte) 'C', (byte) 'D', (byte) 'E', (byte) 'F',
- (byte) 'G', (byte) 'H', (byte) 'I', (byte) 'J', (byte) 'K',
- (byte) 'L', (byte) 'M', (byte) 'N', (byte) 'O', (byte) 'P',
- (byte) 'Q', (byte) 'R', (byte) 'S', (byte) 'T', (byte) 'U',
- (byte) 'V', (byte) 'W', (byte) 'X', (byte) 'Y', (byte) 'Z',
- (byte) 'a', (byte) 'b', (byte) 'c', (byte) 'd', (byte) 'e',
- (byte) 'f', (byte) 'g', (byte) 'h', (byte) 'i', (byte) 'j',
- (byte) 'k', (byte) 'l', (byte) 'm', (byte) 'n', (byte) 'o',
- (byte) 'p', (byte) 'q', (byte) 'r', (byte) 's', (byte) 't',
- (byte) 'u', (byte) 'v', (byte) 'w', (byte) 'x', (byte) 'y',
- (byte) 'z', (byte) '0', (byte) '1', (byte) '2', (byte) '3',
- (byte) '4', (byte) '5', (byte) '6', (byte) '7', (byte) '8',
- (byte) '9', (byte) '+', (byte) '/'};
-
- /**
- * The 64 valid web safe Base64 values.
- */
- private final static byte[] WEBSAFE_ALPHABET =
- {(byte) 'A', (byte) 'B', (byte) 'C', (byte) 'D', (byte) 'E', (byte) 'F',
- (byte) 'G', (byte) 'H', (byte) 'I', (byte) 'J', (byte) 'K',
- (byte) 'L', (byte) 'M', (byte) 'N', (byte) 'O', (byte) 'P',
- (byte) 'Q', (byte) 'R', (byte) 'S', (byte) 'T', (byte) 'U',
- (byte) 'V', (byte) 'W', (byte) 'X', (byte) 'Y', (byte) 'Z',
- (byte) 'a', (byte) 'b', (byte) 'c', (byte) 'd', (byte) 'e',
- (byte) 'f', (byte) 'g', (byte) 'h', (byte) 'i', (byte) 'j',
- (byte) 'k', (byte) 'l', (byte) 'm', (byte) 'n', (byte) 'o',
- (byte) 'p', (byte) 'q', (byte) 'r', (byte) 's', (byte) 't',
- (byte) 'u', (byte) 'v', (byte) 'w', (byte) 'x', (byte) 'y',
- (byte) 'z', (byte) '0', (byte) '1', (byte) '2', (byte) '3',
- (byte) '4', (byte) '5', (byte) '6', (byte) '7', (byte) '8',
- (byte) '9', (byte) '-', (byte) '_'};
-
- /**
- * Translates a Base64 value to either its 6-bit reconstruction value
- * or a negative number indicating some other meaning.
- **/
- private final static byte[] DECODABET = {-9, -9, -9, -9, -9, -9, -9, -9, -9, // Decimal 0 - 8
- -5, -5, // Whitespace: Tab and Linefeed
- -9, -9, // Decimal 11 - 12
- -5, // Whitespace: Carriage Return
- -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, // Decimal 14 - 26
- -9, -9, -9, -9, -9, // Decimal 27 - 31
- -5, // Whitespace: Space
- -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, // Decimal 33 - 42
- 62, // Plus sign at decimal 43
- -9, -9, -9, // Decimal 44 - 46
- 63, // Slash at decimal 47
- 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, // Numbers zero through nine
- -9, -9, -9, // Decimal 58 - 60
- -1, // Equals sign at decimal 61
- -9, -9, -9, // Decimal 62 - 64
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, // Letters 'A' through 'N'
- 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, // Letters 'O' through 'Z'
- -9, -9, -9, -9, -9, -9, // Decimal 91 - 96
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, // Letters 'a' through 'm'
- 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, // Letters 'n' through 'z'
- -9, -9, -9, -9, -9 // Decimal 123 - 127
- /* ,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 128 - 139
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 140 - 152
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 153 - 165
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 166 - 178
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 179 - 191
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 192 - 204
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 205 - 217
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 218 - 230
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 231 - 243
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9 // Decimal 244 - 255 */
- };
-
- /** The web safe decodabet */
- private final static byte[] WEBSAFE_DECODABET =
- {-9, -9, -9, -9, -9, -9, -9, -9, -9, // Decimal 0 - 8
- -5, -5, // Whitespace: Tab and Linefeed
- -9, -9, // Decimal 11 - 12
- -5, // Whitespace: Carriage Return
- -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, // Decimal 14 - 26
- -9, -9, -9, -9, -9, // Decimal 27 - 31
- -5, // Whitespace: Space
- -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, -9, // Decimal 33 - 44
- 62, // Dash '-' sign at decimal 45
- -9, -9, // Decimal 46-47
- 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, // Numbers zero through nine
- -9, -9, -9, // Decimal 58 - 60
- -1, // Equals sign at decimal 61
- -9, -9, -9, // Decimal 62 - 64
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, // Letters 'A' through 'N'
- 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, // Letters 'O' through 'Z'
- -9, -9, -9, -9, // Decimal 91-94
- 63, // Underscore '_' at decimal 95
- -9, // Decimal 96
- 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, // Letters 'a' through 'm'
- 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, // Letters 'n' through 'z'
- -9, -9, -9, -9, -9 // Decimal 123 - 127
- /* ,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 128 - 139
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 140 - 152
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 153 - 165
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 166 - 178
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 179 - 191
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 192 - 204
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 205 - 217
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 218 - 230
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9, // Decimal 231 - 243
- -9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9,-9 // Decimal 244 - 255 */
- };
-
- // Indicates white space in encoding
- private final static byte WHITE_SPACE_ENC = -5;
- // Indicates equals sign in encoding
- private final static byte EQUALS_SIGN_ENC = -1;
-
- /** Defeats instantiation. */
- private Base64() {
- }
-
- /* ******** E N C O D I N G M E T H O D S ******** */
-
- /**
- * Encodes up to three bytes of the array source
- * and writes the resulting four Base64 bytes to destination.
- * The source and destination arrays can be manipulated
- * anywhere along their length by specifying
- * srcOffset and destOffset.
- * This method does not check to make sure your arrays
- * are large enough to accommodate srcOffset + 3 for
- * the source array or destOffset + 4 for
- * the destination array.
- * The actual number of significant bytes in your array is
- * given by numSigBytes.
- *
- * @param source the array to convert
- * @param srcOffset the index where conversion begins
- * @param numSigBytes the number of significant bytes in your array
- * @param destination the array to hold the conversion
- * @param destOffset the index where output will be put
- * @param alphabet is the encoding alphabet
- * @return the destination array
- * @since 1.3
- */
- private static byte[] encode3to4(byte[] source, int srcOffset,
- int numSigBytes, byte[] destination, int destOffset, byte[] alphabet) {
- // 1 2 3
- // 01234567890123456789012345678901 Bit position
- // --------000000001111111122222222 Array position from threeBytes
- // --------| || || || | Six bit groups to index alphabet
- // >>18 >>12 >> 6 >> 0 Right shift necessary
- // 0x3f 0x3f 0x3f Additional AND
-
- // Create buffer with zero-padding if there are only one or two
- // significant bytes passed in the array.
- // We have to shift left 24 in order to flush out the 1's that appear
- // when Java treats a value as negative that is cast from a byte to an int.
- int inBuff =
- (numSigBytes > 0 ? ((source[srcOffset] << 24) >>> 8) : 0)
- | (numSigBytes > 1 ? ((source[srcOffset + 1] << 24) >>> 16) : 0)
- | (numSigBytes > 2 ? ((source[srcOffset + 2] << 24) >>> 24) : 0);
-
- switch (numSigBytes) {
- case 3:
- destination[destOffset] = alphabet[(inBuff >>> 18)];
- destination[destOffset + 1] = alphabet[(inBuff >>> 12) & 0x3f];
- destination[destOffset + 2] = alphabet[(inBuff >>> 6) & 0x3f];
- destination[destOffset + 3] = alphabet[(inBuff) & 0x3f];
- return destination;
- case 2:
- destination[destOffset] = alphabet[(inBuff >>> 18)];
- destination[destOffset + 1] = alphabet[(inBuff >>> 12) & 0x3f];
- destination[destOffset + 2] = alphabet[(inBuff >>> 6) & 0x3f];
- destination[destOffset + 3] = EQUALS_SIGN;
- return destination;
- case 1:
- destination[destOffset] = alphabet[(inBuff >>> 18)];
- destination[destOffset + 1] = alphabet[(inBuff >>> 12) & 0x3f];
- destination[destOffset + 2] = EQUALS_SIGN;
- destination[destOffset + 3] = EQUALS_SIGN;
- return destination;
- default:
- return destination;
- } // end switch
- } // end encode3to4
-
- /**
- * Encodes a byte array into Base64 notation.
- * Equivalent to calling
- * {@code encodeBytes(source, 0, source.length)}
- *
- * @param source The data to convert
- * @since 1.4
- */
- public static String encode(byte[] source) {
- return encode(source, 0, source.length, ALPHABET, true);
- }
-
- /**
- * Encodes a byte array into web safe Base64 notation.
- *
- * @param source The data to convert
- * @param doPadding is {@code true} to pad result with '=' chars
- * if it does not fall on 3 byte boundaries
- */
- public static String encodeWebSafe(byte[] source, boolean doPadding) {
- return encode(source, 0, source.length, WEBSAFE_ALPHABET, doPadding);
- }
-
- /**
- * Encodes a byte array into Base64 notation.
- *
- * @param source The data to convert
- * @param off Offset in array where conversion should begin
- * @param len Length of data to convert
- * @param alphabet is the encoding alphabet
- * @param doPadding is {@code true} to pad result with '=' chars
- * if it does not fall on 3 byte boundaries
- * @since 1.4
- */
- public static String encode(byte[] source, int off, int len, byte[] alphabet,
- boolean doPadding) {
- byte[] outBuff = encode(source, off, len, alphabet, Integer.MAX_VALUE);
- int outLen = outBuff.length;
-
- // If doPadding is false, set length to truncate '='
- // padding characters
- while (doPadding == false && outLen > 0) {
- if (outBuff[outLen - 1] != '=') {
- break;
- }
- outLen -= 1;
- }
-
- return new String(outBuff, 0, outLen);
- }
-
- /**
- * Encodes a byte array into Base64 notation.
- *
- * @param source The data to convert
- * @param off Offset in array where conversion should begin
- * @param len Length of data to convert
- * @param alphabet is the encoding alphabet
- * @param maxLineLength maximum length of one line.
- * @return the BASE64-encoded byte array
- */
- public static byte[] encode(byte[] source, int off, int len, byte[] alphabet,
- int maxLineLength) {
- int lenDiv3 = (len + 2) / 3; // ceil(len / 3)
- int len43 = lenDiv3 * 4;
- byte[] outBuff = new byte[len43 // Main 4:3
- + (len43 / maxLineLength)]; // New lines
-
- int d = 0;
- int e = 0;
- int len2 = len - 2;
- int lineLength = 0;
- for (; d < len2; d += 3, e += 4) {
-
- // The following block of code is the same as
- // encode3to4( source, d + off, 3, outBuff, e, alphabet );
- // but inlined for faster encoding (~20% improvement)
- int inBuff =
- ((source[d + off] << 24) >>> 8)
- | ((source[d + 1 + off] << 24) >>> 16)
- | ((source[d + 2 + off] << 24) >>> 24);
- outBuff[e] = alphabet[(inBuff >>> 18)];
- outBuff[e + 1] = alphabet[(inBuff >>> 12) & 0x3f];
- outBuff[e + 2] = alphabet[(inBuff >>> 6) & 0x3f];
- outBuff[e + 3] = alphabet[(inBuff) & 0x3f];
-
- lineLength += 4;
- if (lineLength == maxLineLength) {
- outBuff[e + 4] = NEW_LINE;
- e++;
- lineLength = 0;
- } // end if: end of line
- } // end for: each piece of array
-
- if (d < len) {
- encode3to4(source, d + off, len - d, outBuff, e, alphabet);
-
- lineLength += 4;
- if (lineLength == maxLineLength) {
- // Add a last newline
- outBuff[e + 4] = NEW_LINE;
- e++;
- }
- e += 4;
- }
-
- assert (e == outBuff.length);
- return outBuff;
- }
-
-
- /* ******** D E C O D I N G M E T H O D S ******** */
-
-
- /**
- * Decodes four bytes from array source
- * and writes the resulting bytes (up to three of them)
- * to destination.
- * The source and destination arrays can be manipulated
- * anywhere along their length by specifying
- * srcOffset and destOffset.
- * This method does not check to make sure your arrays
- * are large enough to accommodate srcOffset + 4 for
- * the source array or destOffset + 3 for
- * the destination array.
- * This method returns the actual number of bytes that
- * were converted from the Base64 encoding.
- *
- *
- * @param source the array to convert
- * @param srcOffset the index where conversion begins
- * @param destination the array to hold the conversion
- * @param destOffset the index where output will be put
- * @param decodabet the decodabet for decoding Base64 content
- * @return the number of decoded bytes converted
- * @since 1.3
- */
- private static int decode4to3(byte[] source, int srcOffset,
- byte[] destination, int destOffset, byte[] decodabet) {
- // Example: Dk==
- if (source[srcOffset + 2] == EQUALS_SIGN) {
- int outBuff =
- ((decodabet[source[srcOffset]] << 24) >>> 6)
- | ((decodabet[source[srcOffset + 1]] << 24) >>> 12);
-
- destination[destOffset] = (byte) (outBuff >>> 16);
- return 1;
- } else if (source[srcOffset + 3] == EQUALS_SIGN) {
- // Example: DkL=
- int outBuff =
- ((decodabet[source[srcOffset]] << 24) >>> 6)
- | ((decodabet[source[srcOffset + 1]] << 24) >>> 12)
- | ((decodabet[source[srcOffset + 2]] << 24) >>> 18);
-
- destination[destOffset] = (byte) (outBuff >>> 16);
- destination[destOffset + 1] = (byte) (outBuff >>> 8);
- return 2;
- } else {
- // Example: DkLE
- int outBuff =
- ((decodabet[source[srcOffset]] << 24) >>> 6)
- | ((decodabet[source[srcOffset + 1]] << 24) >>> 12)
- | ((decodabet[source[srcOffset + 2]] << 24) >>> 18)
- | ((decodabet[source[srcOffset + 3]] << 24) >>> 24);
-
- destination[destOffset] = (byte) (outBuff >> 16);
- destination[destOffset + 1] = (byte) (outBuff >> 8);
- destination[destOffset + 2] = (byte) (outBuff);
- return 3;
- }
- } // end decodeToBytes
-
-
- /**
- * Decodes data from Base64 notation.
- *
- * @param s the string to decode (decoded in default encoding)
- * @return the decoded data
- * @since 1.4
- */
- public static byte[] decode(String s) throws Base64DecoderException {
- byte[] bytes = s.getBytes();
- return decode(bytes, 0, bytes.length);
- }
-
- /**
- * Decodes data from web safe Base64 notation.
- * Web safe encoding uses '-' instead of '+', '_' instead of '/'
- *
- * @param s the string to decode (decoded in default encoding)
- * @return the decoded data
- */
- public static byte[] decodeWebSafe(String s) throws Base64DecoderException {
- byte[] bytes = s.getBytes();
- return decodeWebSafe(bytes, 0, bytes.length);
- }
-
- /**
- * Decodes Base64 content in byte array format and returns
- * the decoded byte array.
- *
- * @param source The Base64 encoded data
- * @return decoded data
- * @since 1.3
- * @throws Base64DecoderException
- */
- public static byte[] decode(byte[] source) throws Base64DecoderException {
- return decode(source, 0, source.length);
- }
-
- /**
- * Decodes web safe Base64 content in byte array format and returns
- * the decoded data.
- * Web safe encoding uses '-' instead of '+', '_' instead of '/'
- *
- * @param source the string to decode (decoded in default encoding)
- * @return the decoded data
- */
- public static byte[] decodeWebSafe(byte[] source)
- throws Base64DecoderException {
- return decodeWebSafe(source, 0, source.length);
- }
-
- /**
- * Decodes Base64 content in byte array format and returns
- * the decoded byte array.
- *
- * @param source The Base64 encoded data
- * @param off The offset of where to begin decoding
- * @param len The length of characters to decode
- * @return decoded data
- * @since 1.3
- * @throws Base64DecoderException
- */
- public static byte[] decode(byte[] source, int off, int len)
- throws Base64DecoderException {
- return decode(source, off, len, DECODABET);
- }
-
- /**
- * Decodes web safe Base64 content in byte array format and returns
- * the decoded byte array.
- * Web safe encoding uses '-' instead of '+', '_' instead of '/'
- *
- * @param source The Base64 encoded data
- * @param off The offset of where to begin decoding
- * @param len The length of characters to decode
- * @return decoded data
- */
- public static byte[] decodeWebSafe(byte[] source, int off, int len)
- throws Base64DecoderException {
- return decode(source, off, len, WEBSAFE_DECODABET);
- }
-
- /**
- * Decodes Base64 content using the supplied decodabet and returns
- * the decoded byte array.
- *
- * @param source The Base64 encoded data
- * @param off The offset of where to begin decoding
- * @param len The length of characters to decode
- * @param decodabet the decodabet for decoding Base64 content
- * @return decoded data
- */
- public static byte[] decode(byte[] source, int off, int len, byte[] decodabet)
- throws Base64DecoderException {
- int len34 = len * 3 / 4;
- byte[] outBuff = new byte[2 + len34]; // Upper limit on size of output
- int outBuffPosn = 0;
-
- byte[] b4 = new byte[4];
- int b4Posn = 0;
- int i = 0;
- byte sbiCrop = 0;
- byte sbiDecode = 0;
- for (i = 0; i < len; i++) {
- sbiCrop = (byte) (source[i + off] & 0x7f); // Only the low seven bits
- sbiDecode = decodabet[sbiCrop];
-
- if (sbiDecode >= WHITE_SPACE_ENC) { // White space Equals sign or better
- if (sbiDecode >= EQUALS_SIGN_ENC) {
- // An equals sign (for padding) must not occur at position 0 or 1
- // and must be the last byte[s] in the encoded value
- if (sbiCrop == EQUALS_SIGN) {
- int bytesLeft = len - i;
- byte lastByte = (byte) (source[len - 1 + off] & 0x7f);
- if (b4Posn == 0 || b4Posn == 1) {
- throw new Base64DecoderException(
- "invalid padding byte '=' at byte offset " + i);
- } else if ((b4Posn == 3 && bytesLeft > 2)
- || (b4Posn == 4 && bytesLeft > 1)) {
- throw new Base64DecoderException(
- "padding byte '=' falsely signals end of encoded value "
- + "at offset " + i);
- } else if (lastByte != EQUALS_SIGN && lastByte != NEW_LINE) {
- throw new Base64DecoderException(
- "encoded value has invalid trailing byte");
- }
- break;
- }
-
- b4[b4Posn++] = sbiCrop;
- if (b4Posn == 4) {
- outBuffPosn += decode4to3(b4, 0, outBuff, outBuffPosn, decodabet);
- b4Posn = 0;
- }
- }
- } else {
- throw new Base64DecoderException("Bad Base64 input character at " + i
- + ": " + source[i + off] + "(decimal)");
- }
- }
-
- // Because web safe encoding allows non padding base64 encodes, we
- // need to pad the rest of the b4 buffer with equal signs when
- // b4Posn != 0. There can be at most 2 equal signs at the end of
- // four characters, so the b4 buffer must have two or three
- // characters. This also catches the case where the input is
- // padded with EQUALS_SIGN
- if (b4Posn != 0) {
- if (b4Posn == 1) {
- throw new Base64DecoderException("single trailing character at offset "
- + (len - 1));
- }
- b4[b4Posn++] = EQUALS_SIGN;
- outBuffPosn += decode4to3(b4, 0, outBuff, outBuffPosn, decodabet);
- }
-
- byte[] out = new byte[outBuffPosn];
- System.arraycopy(outBuff, 0, out, 0, outBuffPosn);
- return out;
- }
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/util/Base64DecoderException.java b/app/src/main/java/moe/yuuta/gplicense/util/Base64DecoderException.java
deleted file mode 100644
index 619985e..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/util/Base64DecoderException.java
+++ /dev/null
@@ -1,18 +0,0 @@
-package moe.yuuta.gplicense.util;
-
-/**
- * Exception thrown when encountering an invalid Base64 input character.
- *
- * @author nelson
- */
-public class Base64DecoderException extends Exception {
- public Base64DecoderException() {
- super();
- }
-
- public Base64DecoderException(String s) {
- super(s);
- }
-
- private static final long serialVersionUID = 1L;
-}
\ No newline at end of file
diff --git a/app/src/main/java/moe/yuuta/gplicense/util/URIQueryDecoder.java b/app/src/main/java/moe/yuuta/gplicense/util/URIQueryDecoder.java
deleted file mode 100644
index 273e85f..0000000
--- a/app/src/main/java/moe/yuuta/gplicense/util/URIQueryDecoder.java
+++ /dev/null
@@ -1,42 +0,0 @@
-package moe.yuuta.gplicense.util;
-
-import com.elvishew.xlog.XLog;
-
-import java.io.UnsupportedEncodingException;
-import java.net.URI;
-import java.net.URLDecoder;
-import java.util.Map;
-import java.util.Scanner;
-
-public class URIQueryDecoder {
- /**
- * Decodes the query portion of the passed-in URI.
- *
- * @param encodedURI the URI containing the query to decode
- * @param results a map containing all query parameters. Query parameters that do not have a
- * value will map to a null string
- */
- static public void DecodeQuery(URI encodedURI, Map
- *
- *
- * @param response the result from validating the server response
- * @param rawData the raw server response data
- */
- public void processServerResponse(int response, ResponseData rawData) {
-
- // Update retry counter
- if (response != Policy.RETRY) {
- setRetryCount(0);
- } else {
- setRetryCount(mRetryCount + 1);
- }
-
- // Update server policy data
- Map
- *
- *
- */
- public boolean allowAccess() {
- long ts = System.currentTimeMillis();
- if (mLastResponse == Policy.LICENSED) {
- // Check if the LICENSED response occurred within the validity timeout.
- if (ts <= mValidityTimestamp) {
- // Cached LICENSED response is still valid.
- return true;
- }
- } else if (mLastResponse == Policy.RETRY &&
- ts < mLastResponseTime + MILLIS_PER_MINUTE) {
- // Only allow access if we are within the retry period or we haven't used up our
- // max retries.
- return (ts <= mRetryUntil || mRetryCount <= mMaxRetries);
- }
- return false;
- }
-
- private Map