linphone-iphone/Classes/InAppProductsManager.m
2019-10-16 15:10:09 +02:00

588 lines
20 KiB
Objective-C

/*
* Copyright (c) 2010-2019 Belledonne Communications SARL.
*
* This file is part of linphone-iphone
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import "InAppProductsManager.h"
#import "ShopView.h"
// In app purchase are not supported by the Simulator
#import "XMLRPCHelper.h"
#import "LinphoneManager.h"
#import "PhoneMainView.h"
#import "StoreKit/StoreKit.h"
@interface InAppProductsManager ()
@property(strong, nonatomic) NSDate *expirationDate;
@property(strong, nonatomic) NSDictionary *accountCreationData;
@end
@implementation InAppProductsManager
@synthesize checkPeriod;
@synthesize warnBeforeExpiryPeriod;
@synthesize notificationCategory;
// LINPHONE_CAPABILITY_INAPP_PURCHASE must be defined in Linphone Build Settings
#if 1
- (instancetype)init {
if ((self = [super init]) != nil) {
_enabled = (([SKPaymentQueue canMakePayments]) &&
([LinphoneManager.instance lpConfigBoolForKey:@"enabled" inSection:@"in_app_purchase"]));
_initialized = false;
_available = false;
_accountActivationInProgress = false;
checkPeriod = [LinphoneManager.instance lpConfigIntForKey:@"expiry_check_period" inSection:@"in_app_purchase"];
warnBeforeExpiryPeriod = [LinphoneManager.instance lpConfigIntForKey:@"warn_before_expiry_period" inSection:@"in_app_purchase"];
lastCheck = 0;
[XMLRPCHelper.self initArray];
//========// for test only
// int testExpiry = [LinphoneManager.instance lpConfigIntForKey:@"expiry_time_test"
// inSection:@"in_app_purchase"];
// if (testExpiry > 0){
// expiryTime = time(NULL) + testExpiry;
//}else expiryTime = 0;
//========//
if (_enabled) {
// self.xmlrpc = [[InAppProductsXMLRPCDelegate alloc] init];
_status = kIAPNotReady;
[[SKPaymentQueue defaultQueue] addTransactionObserver:self];
[self loadProducts];
[self checkAccountExpirationDate];
[self checkAccountTrial];
[self checkAccountExpired];
}
//[self check];
}
return self;
}
#pragma mark Public API
- (BOOL)isPurchasedWithID:(NSString *)productID {
if (!_enabled)
return FALSE;
for (NSString *prod in _productsIDPurchased) {
NSDate *now = [[NSDate alloc] init];
// since multiple ID represent the same product, we must not check it
if (/*[prod isEqual: productID] &&*/ [self.expirationDate earlierDate:now] == now) {
bool isBought = true;
LOGE(@"%@ is %s bought.", prod, isBought ? "" : "NOT");
return isBought;
}
}
return false;
}
- (BOOL)purchaseWithID:(NSString *)productID {
if (!_enabled || !_initialized || !_available) {
NSDictionary *dict = @{
@"product_id" : productID,
@"error_msg" : NSLocalizedString(@"Cannot purchase anything yet, please try again later.", nil)
};
[self postNotificationforStatus:kIAPPurchaseFailed withDict:dict];
return FALSE;
}
SKProduct *prod = [self productIDAvailable:productID];
if (prod) {
// Display waitview on click
UIWindow *window = [[UIApplication sharedApplication] keyWindow];
UIView *topView = window.rootViewController.view;
UIView *waitview = (UIView *)[topView viewWithTag:288];
[waitview setHidden:FALSE];
NSDictionary *dict = @{ @"product_id" : productID };
[self postNotificationforStatus:kIAPPurchaseTrying withDict:dict];
SKMutablePayment *payment = [SKMutablePayment paymentWithProduct:prod];
_available = false;
[[SKPaymentQueue defaultQueue] addPayment:payment];
[[SKPaymentQueue defaultQueue] addTransactionObserver:self];
return TRUE;
} else {
NSDictionary *dict = @{ @"product_id" : productID, @"error_msg" : @"Product not available" };
[self postNotificationforStatus:kIAPPurchaseFailed withDict:dict];
return FALSE;
}
}
- (BOOL)restore {
if (!_enabled || !_initialized || !_available) {
NSDictionary *dict = @{ @"error_msg" : NSLocalizedString(@"In apps not ready yet", nil) };
[self postNotificationforStatus:kIAPRestoreFailed withDict:dict];
return FALSE;
}
LOGI(@"Restoring user purchases...");
// force new query of our server
latestReceiptMD5 = nil;
_available = false;
[[SKPaymentQueue defaultQueue] restoreCompletedTransactions];
return TRUE;
}
- (BOOL)retrievePurchases {
if (!_enabled | !_initialized | !_available) {
NSDictionary *dict = @{ @"error_msg" : NSLocalizedString(@"In apps not ready yet", nil) };
[self postNotificationforStatus:kIAPRestoreFailed withDict:dict];
return FALSE;
} else if ([[self getPhoneNumber] length] == 0) {
LOGW(@"Not retrieving purchase since not account configured yet");
return FALSE;
} else {
_available = false;
[self validateReceipt:nil];
return TRUE;
}
}
#pragma mark ProductListLoading
- (void)loadProducts {
NSArray *list = [[[LinphoneManager.instance lpConfigStringForKey:@"products_list" inSection:@"in_app_purchase"]
stringByReplacingOccurrencesOfString:@" "
withString:@""] componentsSeparatedByString:@","];
_productsIDPurchased = [[NSMutableArray alloc] initWithCapacity:0];
SKProductsRequest *productsRequest =
[[SKProductsRequest alloc] initWithProductIdentifiers:[NSSet setWithArray:list]];
productsRequest.delegate = self;
[productsRequest start];
}
- (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response {
_productsAvailable = [NSMutableArray arrayWithArray:response.products];
LOGI(@"Found %lu products available", (unsigned long)_productsAvailable.count);
_initialized = true;
if (response.invalidProductIdentifiers.count > 0) {
for (NSString *invalidIdentifier in response.invalidProductIdentifiers) {
LOGW(@"Found product Identifier with invalid ID '%@'", invalidIdentifier);
}
} else {
_available = true;
[self postNotificationforStatus:kIAPReady withDict:nil];
}
}
- (void)request:(SKRequest *)request didFailWithError:(NSError *)error {
LOGE(@"Impossible to retrieve list of products: %@", [error localizedDescription]);
// well, let's retry...
[self loadProducts];
}
#pragma mark Other
- (SKProduct *)productIDAvailable:(NSString *)productID {
if (!_enabled || !_initialized)
return nil;
for (SKProduct *product in _productsAvailable) {
if ([product.productIdentifier compare:productID options:NSLiteralSearch] == NSOrderedSame) {
return product;
}
}
return nil;
}
- (void)requestDidFinish:(SKRequest *)request {
if ([request isKindOfClass:[SKReceiptRefreshRequest class]]) {
NSURL *receiptUrl = [[NSBundle mainBundle] appStoreReceiptURL];
if ([[NSFileManager defaultManager] fileExistsAtPath:[receiptUrl path]]) {
LOGI(@"App Receipt exists");
[self validateReceipt:nil];
} else {
// This can happen if the user cancels the login screen for the store.
// If we get here it means there is no receipt and an attempt to get it failed because the user cancelled
// the login.
LOGF(@"Receipt request done but there is no receipt");
}
}
}
#pragma mark Receipt management
- (NSString *)getReceipt {
NSURL *receiptURL = [[NSBundle mainBundle] appStoreReceiptURL];
// Test whether the receipt is present at the above URL
if (![[NSFileManager defaultManager] fileExistsAtPath:[receiptURL path]]) {
// We are probably in sandbox environment, trying to retrieve it...
return nil;
}
NSString *receiptBase64 = [[NSData dataWithContentsOfURL:receiptURL] base64EncodedStringWithOptions:0];
LOGI(@"Found appstore receipt %@", [receiptBase64 md5]);
[self saveReceiptTemp:receiptBase64];
return receiptBase64;
}
/**
Save Receipt temporarily until xmlrpc server request completed and confirmation sent
**/
- (void)saveReceiptTemp:(NSString *)receipt {
LOGE(@"===>>> saveReceiptTemp : TmpReceipt");
[LinphoneManager.instance lpConfigSetString:receipt forKey:@"save_tmp_receipt" inSection:@"in_app_purchase"];
}
/**
reset Receipt to empty after xmlrpc request confirmation received
**/
- (void)removeTmpReceipt:(NSString *)receipt {
LOGE(@"===>>> removeReceiptTemp : TmpReceipt");
if ([LinphoneManager.instance lpConfigStringForKey:@"save_tmp_receipt" inSection:@"in_app_purchase"])
[LinphoneManager.instance lpConfigSetString:@"0" forKey:@"save_tmp_receipt" inSection:@"in_app_purchase"];
}
/**
get temp Receipt to retry xmlrpc request
**/
- (NSString *)getTmpReceipt {
LOGE(@"===>>> getReceiptTemp : TmpReceipt");
return [LinphoneManager.instance lpConfigStringForKey:@"save_tmp_receipt" inSection:@"in_app_purchase"];
}
- (void)validateReceipt:(SKPaymentTransaction *)transaction {
NSString *receiptBase64 = [self getReceipt];
if (receiptBase64 == nil) {
SKRequest *req = [[SKReceiptRefreshRequest alloc] init];
LOGI(@"Receipt not found yet, trying to retrieve it...");
req.delegate = self;
[req start];
return;
}
// Hide waiting view
UIWindow *window = [[UIApplication sharedApplication] keyWindow];
UIView *topView = window.rootViewController.view;
UIView *waitview = (UIView *)[topView viewWithTag:288];
[waitview setHidden:TRUE];
// only check the receipt if it has changed
if (latestReceiptMD5 == nil || ![latestReceiptMD5 isEqualToString:[receiptBase64 md5]]) {
[self updateAccountExpirationDate:receiptBase64];
latestReceiptMD5 = [receiptBase64 md5];
LOGI(@"XMLRPC query ");
} else {
LOGW(@"Not checking receipt since it has already been done!");
_available = true;
}
}
#pragma mark Getters
- (NSString *)getPhoneNumber {
NSString *phoneNumber = @"";
LinphoneProxyConfig *config = linphone_core_get_default_proxy_config(LC);
if (config) {
const LinphoneAddress *identity = linphone_proxy_config_get_identity_address(config);
if (identity) {
phoneNumber = [NSString stringWithUTF8String:linphone_address_get_username(identity)];
}
}
return phoneNumber;
}
- (NSString *)getPassword {
NSString *pass;
LinphoneProxyConfig *cfg = linphone_core_get_default_proxy_config(LC);
if (cfg &&
strcmp([LinphoneManager.instance lpConfigStringForKey:@"domain_name"
inSection:@"app"
withDefault:@"sip.linphone.org"]
.UTF8String,
linphone_proxy_config_get_domain(cfg)) == 0) {
const LinphoneAuthInfo *info = linphone_proxy_config_find_auth_info(cfg);
const char *tmpPass;
if (linphone_auth_info_get_passwd(info)) {
tmpPass = linphone_auth_info_get_passwd(info);
} else {
tmpPass = linphone_auth_info_get_ha1(info);
}
pass = [NSString stringWithFormat:@"%s", tmpPass];
}
return pass;
}
#pragma mark Payment management
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions {
for (SKPaymentTransaction *transaction in transactions) {
switch (transaction.transactionState) {
case SKPaymentTransactionStatePurchasing:
break;
case SKPaymentTransactionStatePurchased:
case SKPaymentTransactionStateRestored: {
if (!_initialized) {
LOGW(@"Pending transactions before end of initialization, not verifying receipt");
} else {
[self validateReceipt:transaction];
}
[[SKPaymentQueue defaultQueue] finishTransaction:transaction];
break;
}
case SKPaymentTransactionStateDeferred:
LOGI(@"Waiting for parent approval...");
// could do some UI stuff
break;
case SKPaymentTransactionStateFailed: {
_available = true;
[[SKPaymentQueue defaultQueue] finishTransaction:transaction];
if (transaction.error.code == SKErrorPaymentCancelled) {
LOGI(@"SKPaymentTransactionStateFailed: cancelled");
NSDictionary *dict = @{ @"product_id" : transaction.payment.productIdentifier };
[self postNotificationforStatus:kIAPPurchaseCancelled withDict:dict];
} else {
NSString *errlast =
[NSString stringWithFormat:@"Purchase failed: %@.", transaction.error.localizedDescription];
LOGE(@"SKPaymentTransactionStateFailed: %@", errlast);
NSDictionary *dict =
@{ @"product_id" : transaction.payment.productIdentifier,
@"error_msg" : errlast };
[self postNotificationforStatus:kIAPPurchaseFailed withDict:dict];
}
break;
}
}
}
}
- (void)paymentQueue:(SKPaymentQueue *)queue removedTransactions:(NSArray *)transactions {
for (SKPaymentTransaction *transaction in transactions) {
LOGD(@"%@ was removed from the payment queue.", transaction.payment.productIdentifier);
}
}
- (void)paymentQueue:(SKPaymentQueue *)queue restoreCompletedTransactionsFailedWithError:(NSError *)error {
if (error.code != SKErrorPaymentCancelled) {
NSDictionary *dict = @{ @"error_msg" : [error localizedDescription] };
[self postNotificationforStatus:kIAPRestoreFailed withDict:dict];
}
}
- (void)paymentQueueRestoreCompletedTransactionsFinished:(SKPaymentQueue *)queue {
LOGI(@"All restorable transactions have been processed by the payment queue.");
}
- (void)postNotificationforStatus:(IAPPurchaseNotificationStatus)status withDict:(NSDictionary *)dict {
_status = status;
LOGI(@"Triggering notification for status %@", status);
[NSNotificationCenter.defaultCenter postNotificationName:status object:self userInfo:dict];
if ([status isEqual:kIAPPurchaseFailed] || [status isEqual:kIAPPurchaseCancelled]) {
// Hide waiting view
UIWindow *window = [[UIApplication sharedApplication] keyWindow];
UIView *topView = window.rootViewController.view;
UIView *waitview = (UIView *)[topView viewWithTag:288];
[waitview setHidden:TRUE];
}
}
#pragma mark expiration notif
- (void) presentNotification:(int64_t) remaining{
if (notificationCategory == nil) return;
int days = (int)remaining / (3600 * 24);
NSString * expireText;
if (remaining >= 0){
expireText = [NSString stringWithFormat:NSLocalizedString(@"Your account will expire in %i days.", nil), days];
}else{
expireText = [NSString stringWithFormat:NSLocalizedString(@"Your account has expired.", nil), days];
}
if ([UIApplication sharedApplication].applicationState != UIApplicationStateActive) {
UILocalNotification *notification = [[UILocalNotification alloc] init];
if (notification) {
notification.category = notificationCategory;
notification.repeatInterval = 0;
notification.applicationIconBadgeNumber = 1;
notification.alertBody = expireText;
[[UIApplication sharedApplication] presentLocalNotificationNow:notification];
}
}else{
UIAlertController *alert = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Account expiring", nil)
message:expireText
preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* buyAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Buy", nil)
style:UIAlertActionStyleDefault
handler:^(UIAlertAction * action) {
[PhoneMainView.instance changeCurrentView:ShopView.compositeViewDescription];
}];
UIAlertAction *laterAction = [UIAlertAction actionWithTitle:NSLocalizedString(@"Later", nil)
style:UIAlertActionStyleCancel
handler:^(UIAlertAction *action){
// [alert dismissViewControllerAnimated:FALSE];
}];
[alert addAction:buyAction];
[alert addAction:laterAction];
[PhoneMainView.instance presentViewController:alert animated:YES completion:nil];
}
}
- (void) check{
if (!_available) return;
if (expiryTime == 0 || checkPeriod == 0) return;
time_t now = time(NULL);
if (now < lastCheck + checkPeriod) return;
if (now >= expiryTime - warnBeforeExpiryPeriod){
lastCheck = now;
int64_t remaining = (int64_t)expiryTime - (int64_t)now;
[self presentNotification: remaining];
}
if (![[self getTmpReceipt] isEqualToString:@""]) {
LOGE(@"===>>> Check : getTmpReceipt != ''");
[self updateAccountExpirationDate:[self getReceipt]];
}
}
#pragma mark Intermediate XMLRPC call method
// Intermediate method to check XMLRPC account expiration date
- (BOOL)updateAccountExpirationDate:(NSString *)receiptBase64 {
return [self
callXmlrpcRequestWithParams:@"update_expiration_date"
onSuccess:^(NSString *response) {
if (response) {
// NSString *productID = [LinphoneManager.instance
// lpConfigStringForKey:@"paid_account_id" inSection:@"in_app_purchase"];
LOGI(@"update_expiration_date callback - response: %@", response);
if ([response containsString:@"ERROR"]) {
LOGE(@"Failed with error %@", response);
NSString *errorMsg;
if ([response isEqualToString:@"ERROR_ACCOUNT_ALREADY_EXISTS"]) {
errorMsg = NSLocalizedString(@"This account is already connected.", nil);
} else if ([response isEqualToString:@"ERROR_UID_ALREADY_IN_USE"]) {
errorMsg = NSLocalizedString(@"You already own an account.", nil);
} else if ([response isEqualToString:@"ERROR_ACCOUNT_DOESNT_EXIST"]) {
errorMsg = NSLocalizedString(@"You have already purchased an account "
@"but it does not exist anymore.",
nil);
} else if ([response isEqualToString:@"ERROR_PURCHASE_CANCELLED"]) {
errorMsg = NSLocalizedString(@"You cancelled your account.", nil);
} else {
errorMsg = [NSString
stringWithFormat:NSLocalizedString(@"Unknown error (%@).", nil), response];
}
// NSDictionary *dict = @{ @"product_id" : productID, @"error_msg" :
// errorMsg };
//[self postNotificationforStatus:kIAPPurchaseFailed withDict:dict];
} else // remove temporarily receipt
[self removeTmpReceipt:receiptBase64];
}
}
onError:NULL
extra:receiptBase64];
}
// Intermediate method to check XMLRPC account expiration date
- (BOOL)checkAccountExpirationDate {
return [self callXmlrpcRequestWithParams:@"get_account_expiration"
onSuccess:^(NSString *response) {
if (response) {
LOGI(@"get_account_expiration callback - response: %@", response);
if ([response containsString:@"ERROR_NO_EXPIRATION"]) {
expiryTime = 0;
}
}
}
onError:NULL
extra:NULL];
}
// Intermediate method to check XMLRPC account trial
- (BOOL)checkAccountTrial {
return [self callXmlrpcRequestWithParams:@"is_account_trial"
onSuccess:^(NSString *response) {
if (response) {
LOGI(@"is_account_trial callback - response: %@", response);
}
}
onError:NULL
extra:NULL];
}
// Intermediate method to check XMLRPC account expired
- (BOOL)checkAccountExpired {
return [self callXmlrpcRequestWithParams:@"is_account_expired"
onSuccess:^(NSString *response) {
if (response) {
LOGI(@"is_account_expired callback - response: %@", response);
}
}
onError:NULL
extra:NULL];
}
// Intermediate method to check check payload signature
- (BOOL)checkPayloadSignature {
return [self callXmlrpcRequestWithParams:@"check_payload_signature"
onSuccess:^(NSString *response) {
if (response) {
LOGI(@"check_payload_signature callback - response: %@", response);
}
}
onError:NULL
extra:NULL];
}
// Generic function to call sendXMLRPCRequestWithParams
- (BOOL)callXmlrpcRequestWithParams:(NSString *)method
onSuccess:(void (^)(NSString *))successBk
onError:(void (^)(NSString *req))errorBk
extra:(NSString *)extra {
if ([[self getPhoneNumber] length] > 0) {
NSString *phoneNumber = [self getPhoneNumber];
NSString *password = [self getPassword];
NSArray *args;
if (extra != NULL)
args = @[ phoneNumber, password, @"", extra ];
else
args = @[ phoneNumber, password, @"" ];
if (successBk && errorBk)
[XMLRPCHelper.self sendXMLRPCRequestWithParams:method withParams:args onSuccess:successBk onError:errorBk];
else if (successBk)
[XMLRPCHelper.self sendXMLRPCRequestWithParams:method withParams:args onSuccess:successBk];
else
[XMLRPCHelper.self sendXMLRPCRequestWithParams:method withParams:args];
return TRUE;
} else {
LOGW(@"No SIP URI configured, can't get account expiration date.");
return FALSE;
}
}
#pragma mark Other
#else
- (void)postNotificationforStatus:(IAPPurchaseNotificationStatus)status {
_status = status;
[NSNotificationCenter.defaultCenter postNotificationName:status object:self userInfo:nil];
LOGE(@"Not supported, triggering %@", status);
}
#endif
@end