- Added realracing3-community.apk (71.57 MB) - Removed 32-bit support (armeabi-v7a) - Only includes arm64-v8a libraries - Decompiled source code included - Added README-community.md with analysis
74 lines
2.8 KiB
Java
74 lines
2.8 KiB
Java
package com.ea.nimble.mtx.googleplay.billing;
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import android.text.TextUtils;
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import android.util.Base64;
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import android.util.Log;
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import java.io.IOException;
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import java.security.InvalidKeyException;
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import java.security.KeyFactory;
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import java.security.NoSuchAlgorithmException;
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import java.security.PublicKey;
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import java.security.Signature;
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import java.security.SignatureException;
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import java.security.spec.InvalidKeySpecException;
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import java.security.spec.X509EncodedKeySpec;
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/* loaded from: classes2.dex */
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class Security {
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private static final String KEY_FACTORY_ALGORITHM = "RSA";
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private static final String SIGNATURE_ALGORITHM = "SHA1withRSA";
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private static final String TAG = "IABUtil/Security";
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public static boolean verifyPurchase(String str, String str2, String str3) {
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if (TextUtils.isEmpty(str2) || TextUtils.isEmpty(str) || TextUtils.isEmpty(str3)) {
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Log.w(TAG, "Purchase verification failed: missing data.");
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return false;
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}
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try {
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return verify(generatePublicKey(str), str2, str3).booleanValue();
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} catch (IOException e) {
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Log.e(TAG, "Error generating PublicKey from encoded key: " + e.getMessage());
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return false;
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}
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}
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private static PublicKey generatePublicKey(String str) throws IOException {
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try {
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return KeyFactory.getInstance(KEY_FACTORY_ALGORITHM).generatePublic(new X509EncodedKeySpec(Base64.decode(str, 0)));
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} catch (NoSuchAlgorithmException e) {
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throw new RuntimeException(e);
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} catch (InvalidKeySpecException e2) {
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String str2 = "Invalid key specification: " + e2;
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Log.w(TAG, str2);
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throw new IOException(str2);
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}
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}
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private static Boolean verify(PublicKey publicKey, String str, String str2) {
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try {
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byte[] decode = Base64.decode(str2, 0);
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try {
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Signature signature = Signature.getInstance(SIGNATURE_ALGORITHM);
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signature.initVerify(publicKey);
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signature.update(str.getBytes());
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if (signature.verify(decode)) {
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return Boolean.TRUE;
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}
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Log.w(TAG, "Signature verification failed...");
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return Boolean.FALSE;
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} catch (InvalidKeyException unused) {
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Log.e(TAG, "Invalid key specification.");
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return Boolean.FALSE;
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} catch (NoSuchAlgorithmException e) {
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throw new RuntimeException(e);
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} catch (SignatureException unused2) {
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Log.e(TAG, "Signature exception.");
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return Boolean.FALSE;
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}
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} catch (IllegalArgumentException unused3) {
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Log.w(TAG, "Base64 decoding failed.");
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return Boolean.FALSE;
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}
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}
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}
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