/** * Verifies that the data was signed with the given signature, and returns * the verified purchase. The data is in JSON format and signed * with a private key. The data also contains the {@link PurchaseState} * and product ID of the purchase. * @param base64PublicKey the base64-encoded public key to use for verifying. * @param signedData the signed JSON string (signed, not encrypted) * @param signature the signature for the data, signed with the private key */ public static boolean verifyPurchase(String base64PublicKey, String signedData, String signature) { if (TextUtils.isEmpty(signedData) || TextUtils.isEmpty(base64PublicKey) || TextUtils.isEmpty(signature)) { Log.e(TAG, "Purchase verification failed: missing data."); // if (BuildConfig.DEBUG) { // return true; // } return false; } PublicKey key = Security.generatePublicKey(base64PublicKey); return Security.verify(key, signedData, signature); }
public static List<String> getURLArray(Context context) { List<String> urlList = new ArrayList<String>(); for (int i = 0; i < URL_COUNT; i++) { if (!TextUtils.isEmpty(getURL(context, i))) { urlList.add(getString(context, KEY_URL + i)); } } return urlList; }
public static <T extends CharSequence> T notEmpty(T t, String str) { if (t == null) { throw new IllegalArgumentException(str + " may not be null"); } else if (!TextUtils.isEmpty(t)) { return t; } else { throw new IllegalArgumentException(str + " may not be empty"); } }
public void addRoot(String s, File file) { if (TextUtils.isEmpty(s)) { throw new IllegalArgumentException("Name must not be empty"); } File file1; try { file1 = file.getCanonicalFile(); } // Misplaced declaration of an exception variable catch (String s) { throw new IllegalArgumentException((new StringBuilder()).append("Failed to resolve canonical path for ").append(file).toString(), s); } mRoots.put(s, file1); }
public static void notEmpty(final CharSequence s, final String name) { if (TextUtils.isEmpty(s)) { throw new IllegalStateException(name + " is empty"); } }
int queryPurchases(Inventory inv, String itemType) throws JSONException, RemoteException { // Query purchases logDebug("Querying owned items, item type: " + itemType); logDebug("Package name: " + mContext.getPackageName()); boolean verificationFailed = false; String continueToken = null; do { logDebug("Calling getPurchases with continuation token: " + continueToken); Bundle ownedItems = mService.getPurchases(3, mContext.getPackageName(), itemType, continueToken); int response = getResponseCodeFromBundle(ownedItems); logDebug("Owned items response: " + String.valueOf(response)); if (response != BILLING_RESPONSE_RESULT_OK) { logDebug("getPurchases() failed: " + getResponseDesc(response)); return response; } if (!ownedItems.containsKey(RESPONSE_INAPP_ITEM_LIST) || !ownedItems.containsKey(RESPONSE_INAPP_PURCHASE_DATA_LIST) || !ownedItems.containsKey(RESPONSE_INAPP_SIGNATURE_LIST)) { logError("Bundle returned from getPurchases() doesn't contain required fields."); return IABHELPER_BAD_RESPONSE; } ArrayList<String> ownedSkus = ownedItems.getStringArrayList( RESPONSE_INAPP_ITEM_LIST); ArrayList<String> purchaseDataList = ownedItems.getStringArrayList( RESPONSE_INAPP_PURCHASE_DATA_LIST); ArrayList<String> signatureList = ownedItems.getStringArrayList( RESPONSE_INAPP_SIGNATURE_LIST); for (int i = 0; i < purchaseDataList.size(); ++i) { String purchaseData = purchaseDataList.get(i); String signature = signatureList.get(i); String sku = ownedSkus.get(i); if (Security.verifyPurchase(mSignatureBase64, purchaseData, signature)) { logDebug("Sku is owned: " + sku); Purchase purchase = new Purchase(itemType, purchaseData, signature); if (TextUtils.isEmpty(purchase.getToken())) { logWarn("BUG: empty/null token!"); logDebug("Purchase data: " + purchaseData); } // Record ownership and token inv.addPurchase(purchase); } else { logWarn("Purchase signature verification **FAILED**. Not adding item."); logDebug(" Purchase data: " + purchaseData); logDebug(" Signature: " + signature); verificationFailed = true; } } continueToken = ownedItems.getString(INAPP_CONTINUATION_TOKEN); logDebug("Continuation token: " + continueToken); } while (!TextUtils.isEmpty(continueToken)); return verificationFailed ? IABHELPER_VERIFICATION_FAILED : BILLING_RESPONSE_RESULT_OK; }