.h文件
#import
#define isServiceVerify 1//支付完成返回 校验方式
typedef enum: NSUInteger {
EPaymentTransactionStateNoPaymentPermission,//没有Payment权限
EPaymentTransactionStateAddPaymentFailed,//addPayment失败
EPaymentTransactionStatePurchasing,//正在购买
EPaymentTransactionStatePurchased,//购买完成(销毁交易)
EPaymentTransactionStateFailed,//购买失败(销毁交易)
EPaymentTransactionStateCancel,//用户取消
EPaymentTransactionStateRestored,//恢复购买(销毁交易)
EPaymentTransactionStateDeferred,//最终状态未确定
} EPaymentTransactionState;
#define _InAppPurchasing [EInAppPurchasing sharedInstance]
@class SKProduct;
@class SKPaymentTransaction;
@protocol EInAppPurchasingDelegate <NSObject>
@required
- (BOOL)isProductIdentifierAvailable:(NSString*)productIdentifier;
@optional
- (void)updatedTransactions:(EPaymentTransactionState)state;
//购买成功
- (void)buySuccess:(SKPaymentTransaction*)transaction;
//购买失败
- (void)buyFailed:(NSError*)errorInfo;
@end
@interface EInAppPurchasing :NSObject
+ (instancetype)sharedInstance;
@property (nonatomic, weak) id<EInAppPurchasingDelegate> delegate;
//调用这个方法传入商品id
- (void)identifyCanMakePayments:(NSArray*)requestArray;
@end
.m文件
#import "EInAppPurchasing.h"
#import <StoreKit/StoreKit.h>
#if TARGET_IPHONE_SIMULATOR
// 开发时模拟器使用的验证服务器地址
#define ITMS_VERIFY_RECEIPT_URL @""
#elif TARGET_OS_IPHONE
//真机验证的服务器地址
#define ITMS_VERIFY_RECEIPT_URL @""
#endif
@interface EInAppPurchasing ()<SKProductsRequestDelegate,SKPaymentTransactionObserver,VerifyOrderCallBackDelegate>
@property (nonatomic, strong) SKProductsRequest *request;
@end
@implementation EInAppPurchasing
+ (instancetype)sharedInstance
{
static EInAppPurchasing* instance =NULL;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
instance = [EInAppPurchasing new];
});
return instance;
}
- (instancetype)init
{
self= [super init];
if(self) {
[[SKPaymentQueue defaultQueue] addTransactionObserver:self];
}
return self;
}
- (void)dealloc
{
[self releaseRequest];
[[SKPaymentQueue defaultQueue] removeTransactionObserver:self];
}
- (void)releaseRequest
{
if(_request) {
[_request cancel];
_request.delegate=nil;
_request=nil;
}
}
- (void)identifyCanMakePayments:(NSArray*)requestArray
{
if(requestArray.count==0) {
if(self.delegate&& [self.delegate respondsToSelector:@selector(updatedTransactions:)]) {
[self.delegate updatedTransactions:EPaymentTransactionStateAddPaymentFailed];
}
return;
}
if ([SKPaymentQueue canMakePayments]) {
[self releaseRequest];
self.request = [[SKProductsRequest alloc] initWithProductIdentifiers:[NSSet setWithArray:requestArray]];
_request.delegate=self;
[_request start];
}
else
{
if(self.delegate&& [self.delegate respondsToSelector:@selector(updatedTransactions:)]) {
[self.delegate updatedTransactions:EPaymentTransactionStateNoPaymentPermission];
}
}
}
#pragma mark - SKProductsRequestDelegate
- (void)productsRequest:(SKProductsRequest*)request didReceiveResponse:(SKProductsResponse*)response
{
NSLog(@"-----------收到产品反馈信息-------------- 产品ID:%@ 产品数量:%ld",response.invalidProductIdentifiers, response.products.count);
NSArray * myProducts = response.products;
for(SKProduct*product in myProducts){
NSLog(@"SKProduct 描述信息%@", [product description]);
NSLog(@"产品标题 %@", product.localizedTitle);
NSLog(@"产品描述信息: %@" , product.localizedDescription);
NSLog(@"价格: %@", product.price);
NSLog(@"Product id: %@" , product.productIdentifier);
}
if(myProducts && myProducts.count>0) {
SKProduct*product = [myProducts objectAtIndex:0];
if(self.delegate&& [self.delegate respondsToSelector:@selector(isProductIdentifierAvailable:)]) {
if ([self.delegate isProductIdentifierAvailable:product.productIdentifier]) {
SKPayment*payment = [SKPayment paymentWithProduct:product];
[[SKPaymentQueue defaultQueue] addPayment:payment];
return;
}
}
}
if(self.delegate&& [self.delegate respondsToSelector:@selector(updatedTransactions:)]) {
[self.delegate updatedTransactions:EPaymentTransactionStateAddPaymentFailed];
}
}
/** 请求失败 */
- (void)request:(SKRequest*)request didFailWithError:(NSError*)error{
NSLog(@"---购买失败");
}
#pragma mark - SKPaymentTransactionObserver
/** 监听购买结果 */
- (void)paymentQueue:(SKPaymentQueue*)queue updatedTransactions:(NSArray *)transactions
{
for(SKPaymentTransaction *transaction in transactions)
{
EPaymentTransactionState state;
switch(transaction.transactionState){
case SKPaymentTransactionStatePurchasing:
{
// 连接appStore
state =EPaymentTransactionStatePurchasing;
}
break;
case SKPaymentTransactionStatePurchased:
{
state =EPaymentTransactionStatePurchased;
//交易完成
if(isServiceVerify) {
[self completeTransaction:transaction];
}
else
{
//本地作校验
[self verifyPurchase:transaction];
}
}
break;
case SKPaymentTransactionStateFailed:
{
//交易失败
if(transaction.error.code!=SKErrorPaymentCancelled)
{
state =EPaymentTransactionStateFailed;
}else
{
state =EPaymentTransactionStateCancel;
}
[self finshTransaction:transaction];
}
break;
case SKPaymentTransactionStateRestored:
{
state =EPaymentTransactionStateRestored;
//已经购买过该商品
[self finshTransaction:transaction];
}
break;
case SKPaymentTransactionStateDeferred:
{
state =EPaymentTransactionStateDeferred;
}
break;
default:
break;
}
if(self.delegate&& [self.delegate respondsToSelector:@selector(updatedTransactions:)]) {
[self.delegate updatedTransactions:state];
}
}
}
// Sent when transactions are removed from the queue (via finishTransaction:).
- (void)paymentQueue:(SKPaymentQueue*)queue removedTransactions:(NSArray *)transactions
{
NSLog(@"---removedTransactions");
}
// Sent when an error is encountered while adding transactions from the user's purchase history back to the queue.
- (void)paymentQueue:(SKPaymentQueue*)queue restoreCompletedTransactionsFailedWithError:(NSError*)error
{
NSLog(@"restoreCompletedTransactionsFailedWithError");
}
// Sent when all transactions from the user's purchase history have successfully been added back to the queue.
- (void)paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue*)queue
{
NSLog(@"paymentQueueRestoreCompletedTransactionsFinished");
}
// Sent when the download state has changed.
- (void)paymentQueue:(SKPaymentQueue*)queue updatedDownloads:(NSArray *)downloads
{
NSLog(@"updatedDownloads");
}
#pragma mark - Private
#pragma mark 验证购买
// 验证购买，在每一次购买完成之后，需要对购买的交易进行验证
// 所谓验证，是将交易的凭证进行"加密"，POST请求传递给苹果的服务器，苹果服务器对"加密"数据进行验证之后，
// 会返回一个json数据，供开发者判断凭据是否有效
// 有些“内购助手”同样会拦截验证凭据，返回一个伪造的验证结果
// 所以在开发时，对凭据的检验要格外小心
- (void)verifyPurchase:(SKPaymentTransaction*)transaction
{
//ios7开始支持
NSURL *receiptURL = [[NSBundle mainBundle] appStoreReceiptURL];
NSData*receiptData = [NSData dataWithContentsOfURL:receiptURL];
NSString *encodeStr = [receiptData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];
NSURL *url = [NSURL URLWithString:ITMS_VERIFY_RECEIPT_URL];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:10.0f];
NSString *payload = [NSString stringWithFormat:@"{\"receipt-data\" : \"%@\"}", encodeStr];
NSData *payloadData = [payload dataUsingEncoding:NSUTF8StringEncoding];
[request setHTTPBody:payloadData];
[request setHTTPMethod:@"POST"];
NSURLResponse*response =nil;
// 此请求返回的是一个json结果 将数据反序列化为数据字典
NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:nil];
if(data ==nil) {
return;
}
NSDictionary *jsonResponse = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];
if(jsonResponse !=nil) {
if([[jsonResponse objectForKey:@"status"]intValue] ==0)
{
//通常需要校验：bid，product_id，purchase_date，status
}
else
{
//验证失败，检查你的机器是否越狱
}
}
//结束交易
[self finshTransaction:transaction];
}
- (void)completeTransaction:(SKPaymentTransaction*)transaction
{
//服务器校验
}
- (void)finshTransaction:(SKPaymentTransaction*)transaction
{
//结束交易
[[SKPaymentQueue defaultQueue] finishTransaction: transaction];
}
@end
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