// // NibssSocketManager.m // MyBluetoothTest // // Created by Emmanuel Adeyemi on 2/11/16. // Copyright © 2016 Emmanuel Adeyemi. All rights reserved. // #import "NibssSocketManager.h" #import "NSMutableData+NSMutableDataWithConversion.h" #import "ISOBitmap.h" #import "ISODataElement.h" #import "ISOMessage.h" #import "Global.h" #import "PurchaseResponse.h" @implementation NibssSocketManager{ NSOutputStream* outputStream; NSInputStream* inputStream; int byteIndex; NSMutableData *dataRead; NSNumber *bytesRead; NSMutableData *toSend; BOOL isDone; } -(void)connectToNibss{ byteIndex = 0; CFReadStreamRef _cfReadStreamRef; CFWriteStreamRef _cfWriteStreamRef; NSString* ip = @"196.6.103.18"; int port = 5009; CFStreamCreatePairWithSocketToHost(nil, (__bridge CFStringRef)(ip), (UInt32)port, &_cfReadStreamRef, &_cfWriteStreamRef); NSDictionary *settings = [ [NSDictionary alloc ] initWithObjectsAndKeys: [NSNumber numberWithBool:YES], kCFStreamSSLAllowsExpiredCertificates, [NSNumber numberWithBool:YES], kCFStreamSSLAllowsExpiredRoots, [NSNumber numberWithBool:YES], kCFStreamSSLAllowsAnyRoot, [NSNumber numberWithBool:NO], kCFStreamSSLValidatesCertificateChain, kCFStreamSocketSecurityLevelTLSv1,kCFStreamSSLLevel, nil ]; CFReadStreamSetProperty(_cfReadStreamRef, kCFStreamPropertySSLSettings, (CFTypeRef)settings); CFWriteStreamSetProperty(_cfWriteStreamRef, kCFStreamPropertySSLSettings, (CFTypeRef)settings); inputStream = ( NSInputStream *)(_cfReadStreamRef); outputStream = ( NSOutputStream *)(_cfWriteStreamRef); [inputStream setDelegate:self]; [outputStream setDelegate:self]; // [inputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [outputStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; // [inputStream open]; [outputStream open]; while (!isDone) { [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]]; } } -(void)sendMessageToNibss:(NSMutableData *)data{ toSend = data; [self connectToNibss]; } -(void) sendMessage{ NSMutableData *message = toSend; uint8_t *readBytes = [message mutableBytes]; // readBytes += byteIndex; // instance variable to move pointer NSInteger data_len = [message length]; uint8_t header[2]; header[0] = data_len >> 8; header[1] = data_len; NSInteger len = ((data_len - byteIndex >= 1024) ? 1024 : (data_len-byteIndex)); uint32_t buf[len]; memcpy(buf, &readBytes, len); if(len > 0){ [outputStream write:(uint8_t *)header maxLength:2]; len = [outputStream write:readBytes maxLength:len]; } byteIndex += len; } -(void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode{ switch (eventCode) { case NSStreamEventErrorOccurred:{ isDone = true; NSLog(@"Error occured while trying to open connection"); NSError *error = [aStream streamError]; NSLog(@"Error Description %@",[error localizedDescription]); NSLog(@"Error Reason %@",[error localizedFailureReason]); if(inputStream != nil){ [inputStream release]; inputStream = nil; } if(outputStream != nil){ [outputStream release]; outputStream = nil; } if(aStream != nil){ [aStream release]; aStream = nil; } // This stores the response code in a temporary storage [[NSUserDefaults standardUserDefaults] setObject:@"XX" forKey:RESPONSE_CODE]; [[NSUserDefaults standardUserDefaults] setObject:@"unauthenticated" forKey:AUTH_CODE]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:AUTH_DATA]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT71]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT72]; break; } case NSStreamEventOpenCompleted:{ byteIndex = 0; NSLog(@"Stream has started"); break; } case NSStreamEventHasSpaceAvailable:{ [self sendMessage]; NSLog(@"Data can be sent to stream"); break; } case NSStreamEventHasBytesAvailable:{ NSLog(@"Reading message from nibss"); // BOOL da = [inputStream hasBytesAvailable]; //uint8_t buffer[1024]; int len; do{ uint8_t buffer[1024]; NSLog(@"Size of buffer : %lu",sizeof(buffer)); len = (int)[inputStream read:buffer maxLength:sizeof(buffer)]; NSLog(@"Length of data %d",len); if(!dataRead && dataRead == nil){ dataRead = [[NSMutableData data] retain]; } if(len && len > 0){ [dataRead appendBytes:(const void *)buffer length:len]; [bytesRead setIntValue:[bytesRead intValue]+len]; } } while ([inputStream hasBytesAvailable]); break; } case NSStreamEventEndEncountered:{ isDone = true; NSLog(@"This is the end of stream reading"); if(dataRead.length > 0){ NSLog(@"Log your message read"); [self readMessageFromNibss]; }else{ // This stores the response code in a temporary storage [[NSUserDefaults standardUserDefaults] setObject:@"XX" forKey:RESPONSE_CODE]; [[NSUserDefaults standardUserDefaults] setObject:@"unauthenticated" forKey:AUTH_CODE]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:AUTH_DATA]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT71]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT72]; } [inputStream close]; [outputStream close]; [inputStream release]; [outputStream release]; [dataRead release]; aStream = nil; break; } } } -(void)readMessageFromNibss{ // NSLog(<#NSString * _Nonnull format, ...#>) NSLog(@" Read data : %@ ",[[NSString alloc] initWithBytes:[dataRead bytes] length:[dataRead length] encoding:NSUTF8StringEncoding]); NSLog(@" Read data : %@ ",[dataRead hexadecimalCharacters]); NSString *responseString = [dataRead hexadecimalCharacters]; ISOMessage *response = [[ISOMessage alloc] initWithIsoMessage:responseString]; if(response != NULL){ NSString *responseCodeEName = @"DE39"; // NSString *field53EName = @"DE53"; ISODataElement *dataElement = [response.dataElements objectForKey:responseCodeEName]; NSString *responseCode = dataElement.value; NSLog(@"%@:%@", responseCodeEName, dataElement.value); if(responseCode.length > 0){ // This stores the response code in a temporary storage [[NSUserDefaults standardUserDefaults] setObject:responseCode forKey:RESPONSE_CODE]; NSLog(@" Message was read successfully "); // This is the autorization response code dataElement = [response.dataElements objectForKey:@"DE38"]; if(dataElement != nil){ NSString *temp = dataElement.value; NSLog(@"Auth code : %@",temp); if(temp.length > 0) [[NSUserDefaults standardUserDefaults] setObject:temp forKey:AUTH_CODE]; else [[NSUserDefaults standardUserDefaults] setObject:@"Unanthenticated" forKey:AUTH_CODE]; } // This get the new ICC data from the response dataElement = [response.dataElements objectForKey:@"DE55"]; if(dataElement != nil && [responseCode isEqualToString:@"00"]){ NSString *temp = dataElement.value; NSLog(@"ICC DATA %@",temp); getICCResponse(temp); }else{ [[NSUserDefaults standardUserDefaults] setObject:nil forKey:AUTH_DATA]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT71]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT72]; } }else{ // This stores the response code in a temporary storage [[NSUserDefaults standardUserDefaults] setObject:@"XX" forKey:RESPONSE_CODE]; [[NSUserDefaults standardUserDefaults] setObject:@"unauthenticated" forKey:AUTH_CODE]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:AUTH_DATA]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT71]; [[NSUserDefaults standardUserDefaults] setObject:nil forKey:SCRIPT72]; NSLog(@"Response message %@",responseCode); NSLog(@"No data received from nibss"); } } } static void getICCResponse(NSString *icc){ int index91 = 20; long index71 = 0; int tempIndex = 0; // This will remove the length of the main data icc = [icc substringFromIndex:3]; NSString *temp ; // while( icc.length > 0){ temp = [icc substringWithRange:NSMakeRange(0, 4)]; if([temp isEqualToString:@"9F36"]){ // This add the length of the tag tempIndex += 4; temp = [icc substringFromIndex:tempIndex]; // This gets the Length fromn the TAG LEN VAL NSString *len = [icc substringWithRange:NSMakeRange(tempIndex, 2)]; tempIndex += 2; // This converts the hex length to decimal long val = strtol([len UTF8String], NULL, 16) * 2; // This gets the value of the based on tag temp = [icc substringWithRange:NSMakeRange(tempIndex, val)]; tempIndex += val; } if(tempIndex >= icc.length) return ; temp = [icc substringWithRange:NSMakeRange(tempIndex, 2)]; if([temp isEqualToString:@"91"]){ // This is the length of the tag tempIndex += 2; // This gets the Length fromn the TAG LEN VAL NSString *len = [icc substringWithRange:NSMakeRange(tempIndex, 2)]; tempIndex += 2; long val = strtol([len UTF8String], NULL, 16) * 2; temp = [icc substringWithRange:NSMakeRange(tempIndex, val)]; tempIndex += val; // This helps in storing the authentication data [[NSUserDefaults standardUserDefaults] setObject:temp forKey:AUTH_DATA]; } if(tempIndex >= icc.length) return ; temp = [icc substringWithRange:NSMakeRange(tempIndex, 2)]; if([temp isEqualToString:@"71"]){ tempIndex += 2; NSString *len = [icc substringWithRange:NSMakeRange(tempIndex, 2)]; tempIndex += 2; long val = strtol([len UTF8String], NULL, 16) * 2; temp = [icc substringWithRange:NSMakeRange(tempIndex, val)]; tempIndex += val; [[NSUserDefaults standardUserDefaults] setObject:temp forKey:SCRIPT71]; } if(tempIndex >= icc.length) return ; // This is where the issuer script template 2 is checked for temp = [icc substringWithRange:NSMakeRange(tempIndex, 2)]; if([temp isEqualToString:@"72"]){ tempIndex += 2; NSString *len = [icc substringWithRange:NSMakeRange(tempIndex, 2)]; tempIndex += 2; long val = strtol([len UTF8String], NULL, 16) * 2; temp = [icc substringWithRange:NSMakeRange(tempIndex, val)]; tempIndex += val; [[NSUserDefaults standardUserDefaults] setObject:temp forKey:SCRIPT72]; } // } } @end