首先,发布的代码中有一些拼写错误.试试这个.(免责声明:重构等是留给读者的练习!)
- (BOOL)verifyReceipt:(SKPaymentTransaction *)transaction {
NSString *jsonObjectString = [self encode:(uint8_t *)transaction.transactionReceipt.bytes length:transaction.transactionReceipt.length];
NSString *completeString = [NSString stringWithFormat:@"http://url-for-your-php?receipt=%@", jsonObjectString];
NSURL *urlForValidation = [NSURL URLWithString:completeString];
NSMutableURLRequest *validationRequest = [[NSMutableURLRequest alloc] initWithURL:urlForValidation];
[validationRequest setHTTPMethod:@"GET"];
NSData *responseData = [NSURLConnection sendSynchronousRequest:validationRequest returningResponse:nil error:nil];
[validationRequest release];
NSString *responseString = [[NSString alloc] initWithData:responseData encoding: NSUTF8StringEncoding];
NSInteger response = [responseString integerValue];
[responseString release];
return (response == 0);
}
- (NSString *)encode:(const uint8_t *)input length:(NSInteger)length {
static char table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
NSMutableData *data = [NSMutableData dataWithLength:((length + 2) / 3) * 4];
uint8_t *output = (uint8_t *)data.mutableBytes;
for (NSInteger i = 0; i < length; i += 3) {
NSInteger value = 0;
for (NSInteger j = i; j < (i + 3); j++) {
value <<= 8;
if (j < length) {
value |= (0xFF & input[j]);
}
}
NSInteger index = (i / 3) * 4;
output[index + 0] = table[(value >> 18) & 0x3F];
output[index + 1] = table[(value >> 12) & 0x3F];
output[index + 2] = (i + 1) < length ? table[(value >> 6) & 0x3F] : '=';
output[index + 3] = (i + 2) < length ? table[(value >> 0) & 0x3F] : '=';
}
return [[[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding] autorelease];
}
您可以在处理SKPaymentTransactionObserver条消息的类上创建以下内部方法:
@interface YourStoreClass (Internal)
- (BOOL)verifyReceipt:(SKPaymentTransaction *)transaction;
- (NSString *)encode:(const uint8_t *)input length:(NSInteger)length;
@end
注意:您could使用libcrypto之类的值来处理base64编码,但在应用程序批准时,您会看到导出限制和额外的步骤.但我离题了...
然后,无论您打算在远程服务器上开始记录事务,都要用您的事务拨打verifyReceipt:,并确保它返回正数.
同时,在你的服务器上,这里有一些超级精简的PHP来处理事情:
$receipt = json_encode(array("receipt-data" => $_GET["receipt"]));
// NOTE: use "buy" vs "sandbox" in production.
$url = "https://sandbox.itunes.apple.com/verifyReceipt";
$response_json = call-your-http-post-here($url, $receipt);
$response = json_decode($response_json);
// Save the data here!
echo $response->status;
其中call-your-http-post-here是您最喜欢的HTTP post机制.(cURL是一个可能的 Select .YMMV.PHP.net有独家新闻!)
有一件事让我有点担心,那就是URL中从应用程序到服务器的有效负载长度(通过GET).我忘了根据RFC是否有长度问题.也许没关系,或者可能是特定于服务器的.(读者:欢迎提供这方面的建议!)
在提出同步请求时,也可能会有一些犹豫.你可能想异步发布它,然后安装ol'UIActivityIndicatorView或其他HUD.举个例子:initWithData:encoding:电话对我来说花了很长时间.几秒钟,这在iPhone领域(或其他任何在线领域)是一个小小的永恒.显示某种不确定的进度指标可能是可取的.