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Brian Collins
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‎.gitignore

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build/*
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*.pbxuser
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*.mode1v3
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.DS_Store
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profile
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xcuserdata
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project.xcworkspace
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‎src/Stripe.h

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#define kStripeAPIBase @"https://api.stripe.com/v1"
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#define kStripeTokenPath @"tokens"
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@interface StripeCard : NSObject
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@property (strong, nonatomic) NSString *number;
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@property (strong, nonatomic) NSNumber *expiryMonth;
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@property (strong, nonatomic) NSNumber *expiryYear;
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@property (strong, nonatomic) NSString *cardSecurityCode;
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@property (strong, nonatomic) NSString *name;
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@property (strong, nonatomic) NSString *addressLine1;
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@property (strong, nonatomic) NSString *addressLine2;
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@property (strong, nonatomic) NSString *addressZip;
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@property (strong, nonatomic) NSString *addressState;
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@property (strong, nonatomic) NSString *addressCountry;
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@property (strong, readonly) NSString *country;
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@property (strong, readonly) NSString *cvcCheck;
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@property (strong, readonly) NSString *lastFourDigits;
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@property (strong, readonly) NSString *type;
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- (id)initWithResponseDictionary:(NSDictionary *)card;
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@end
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@interface StripeResponse : NSObject
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@property (strong, nonatomic) NSNumber *createdAt;
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@property (strong, nonatomic) NSString *currency;
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@property (strong, nonatomic) NSNumber *amount;
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@property (nonatomic) BOOL isUsed;
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@property (nonatomic) BOOL isLiveMode;
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@property (strong, nonatomic) NSString *token;
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@property (strong, nonatomic) StripeCard *card;
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- (id)initWithResponseDictionary:(NSDictionary *)response;
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@end
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@interface StripeConnection : NSObject
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+ (StripeConnection *)connectionWithPublishableKey:(NSString *)publishableKey;
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- (id)initWithPublishableKey:(NSString *)publishableKey;
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- (void)performRequestWithCard:(StripeCard *)card amountInCents:(NSNumber *)amount currency:(NSString *)currency success:(void (^)(StripeResponse *response))success failure:(void (^)(NSDictionary *failure))failure;
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- (void)performRequestWithCard:(StripeCard *)card amountInCents:(NSNumber *)amount success:(void (^)(StripeResponse *response))success failure:(void (^)(NSDictionary *failure))failure;
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@end
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‎src/Stripe.m

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#import "Stripe.h"
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#import "STBase64.h"
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@interface StripeCard ()
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@property (readonly) NSDictionary *attributes;
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@property (strong, readwrite) NSString *country;
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@property (strong, readwrite) NSString *cvcCheck;
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@property (strong, readwrite) NSString *lastFourDigits;
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@property (strong, readwrite) NSString *type;
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@end
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@interface StripeConnection ()
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@property (strong, nonatomic) NSString *publishableKey;
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@end
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@implementation StripeConnection
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@synthesize publishableKey = _publishableKey;
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+ (StripeConnection *)connectionWithPublishableKey:(NSString *)publishableKey {
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return [[self alloc] initWithPublishableKey:publishableKey];
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}
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- (id)initWithPublishableKey:(NSString *)publishableKey {
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if ((self = [super init])) {
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self.publishableKey = publishableKey;
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}
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return self;
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}
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- (NSString *)escapedString:(NSString *)string {
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return (__bridge_transfer NSString *)CFURLCreateStringByAddingPercentEscapes(NULL,
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(__bridge CFStringRef)string,
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NULL,
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(CFStringRef)@"!*'();:@&=+$,/?%#[]",
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kCFStringEncodingUTF8 );
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}
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- (NSData *)HTTPBodyWithCard:(StripeCard *)card amountInCents:(NSNumber *)amount currency:(NSString *)currency {
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NSMutableString *body = [NSMutableString string];
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NSDictionary *attributes = card.attributes;
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for (NSString *key in attributes) {
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NSString *value = [attributes objectForKey:key];
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if ((id)value == [NSNull null]) continue;
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if (body.length != 0)
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[body appendString:@"&"];
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if ([value isKindOfClass:[NSString class]])
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value = [self escapedString:value];
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[body appendFormat:@"card[%@]=%@", [self escapedString:key], value];
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}
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if (amount) {
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if (body.length != 0)
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[body appendString:@"&"];
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[body appendFormat:@"amount=%@", amount];
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}
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if (currency) {
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if (body.length != 0)
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[body appendString:@"&"];
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[body appendFormat:@"currency=%@", currency];
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}
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return [body dataUsingEncoding:NSUTF8StringEncoding];
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}
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- (void)performRequestWithCard:(StripeCard *)card amountInCents:(NSNumber *)amount currency:(NSString *)currency success:(void (^)(StripeResponse *response))success failure:(void (^)(NSDictionary *failure))failure {
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NSURL *url = [[NSURL URLWithString:kStripeAPIBase] URLByAppendingPathComponent:kStripeTokenPath];
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NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
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request.HTTPBody = [self HTTPBodyWithCard:card amountInCents:amount currency:currency];
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NSString *basicAuth = [NSString stringWithFormat:@"Basic %@",
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[STBase64 encode:[NSString stringWithFormat:@"%@:", self.publishableKey]]];
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[request setValue:basicAuth forHTTPHeaderField:@"Authorization"];
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[request setHTTPMethod:@"POST"];
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[NSURLConnection sendAsynchronousRequest:request
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queue:[NSOperationQueue mainQueue]
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completionHandler:^(NSURLResponse *response, NSData *body, NSError *error)
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{
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NSDictionary *unserialized = [NSJSONSerialization JSONObjectWithData:body options:0 error:NULL];
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if ([(NSHTTPURLResponse *)response statusCode] == 200) {
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StripeResponse *stripeResponse = [[StripeResponse alloc] initWithResponseDictionary:unserialized];
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success(stripeResponse);
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} else {
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failure(unserialized);
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}
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}];
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}
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- (void)performRequestWithCard:(StripeCard *)card amountInCents:(NSNumber *)amount success:(void (^)(StripeResponse *response))success failure:(void (^)(NSDictionary *failure))failure {
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[self performRequestWithCard:card amountInCents:amount currency:@"usd" success:success failure:failure];
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}
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@end
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@implementation StripeCard
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@synthesize number, expiryMonth, expiryYear, cardSecurityCode, name, addressLine1, addressLine2, addressZip, addressState, addressCountry, country, cvcCheck, lastFourDigits, type;
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- (NSDictionary *)attributes {
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return [NSDictionary dictionaryWithObjectsAndKeys:
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self.number ? self.number : [NSNull null], @"number",
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self.expiryMonth ? self.expiryMonth : [NSNull null], @"exp_month",
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self.expiryYear ? self.expiryYear : [NSNull null], @"exp_year",
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self.cardSecurityCode ? self.cardSecurityCode : [NSNull null], @"cvc",
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self.name ? self.name : [NSNull null], @"name",
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self.addressLine1 ? self.addressLine1 : [NSNull null], @"address_line1",
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self.addressLine2 ? self.addressLine2 : [NSNull null], @"address_line2",
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self.addressZip ? self.addressZip : [NSNull null], @"address_zip",
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self.addressState ? self.addressState : [NSNull null], @"address_state",
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self.addressCountry ? self.addressCountry : [NSNull null], @"address_country",
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nil];
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}
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- (id)initWithResponseDictionary:(NSDictionary *)card {
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if ((self = [super init])) {
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self.country = [card objectForKey:@"country"];
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self.cvcCheck = [card objectForKey:@"cvc_check"];
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self.expiryMonth = [card objectForKey:@"exp_month"];
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self.expiryYear = [card objectForKey:@"exp_year"];
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self.lastFourDigits = [card objectForKey:@"last4"];
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self.type = [card objectForKey:@"type"];
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}
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return self;
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}
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@end
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@implementation StripeResponse
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@synthesize createdAt, currency, amount, isUsed, isLiveMode, token, card;
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- (id)initWithResponseDictionary:(NSDictionary *)response {
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if ((self = [super init])) {
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self.createdAt = [response objectForKey:@"created"];
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self.currency = [response objectForKey:@"currency"];
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self.isUsed = [[response objectForKey:@"used"] boolValue];
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self.amount = [response objectForKey:@"amount"];
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self.isLiveMode = [[response objectForKey:@"livemode"] boolValue];
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self.token = [response objectForKey:@"id"];
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self.card = [[StripeCard alloc] initWithResponseDictionary:[response objectForKey:@"card"]];
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}
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return self;
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}
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@end

‎src/base/STBase64.h

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@interface STBase64 : NSObject
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+ (NSString *)encode:(NSString *)string;
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@end

‎src/base/STBase64.m

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#import "STBase64.h"
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static char *alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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@implementation STBase64
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+ (NSString *)encode:(NSString *)string {
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unsigned char *inputBuffer = (unsigned char *)[string UTF8String];
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int len = strlen((const char *)inputBuffer);
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int encodedLength = ((((len % 3) + len) / 3) * 4) + 1;
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unsigned char outputBuffer[encodedLength + 1];
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NSInteger i, j = 0;
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int remain;
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for(i = 0; i < len; i += 3) {
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remain = len - i;
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outputBuffer[j++] = alphabet[(inputBuffer[i] & 0xFC) >> 2];
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outputBuffer[j++] = alphabet[((inputBuffer[i] & 0x03) << 4) |
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((remain > 1) ? ((inputBuffer[i + 1] & 0xF0) >> 4): 0)];
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if(remain > 1)
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outputBuffer[j++] = alphabet[((inputBuffer[i + 1] & 0x0F) << 2)
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| ((remain > 2) ? ((inputBuffer[i + 2] & 0xC0) >> 6) : 0)];
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else
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outputBuffer[j++] = '=';
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if(remain > 2)
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outputBuffer[j++] = alphabet[inputBuffer[i + 2] & 0x3F];
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else
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outputBuffer[j++] = '=';
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}
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outputBuffer[j] = '\0';
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return [NSString stringWithUTF8String:(const char *)outputBuffer];
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}
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@end

‎src/base/prefix.pch

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//
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// Prefix header for all source files of the 'stripe-ios' target in the 'stripe-ios' project
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//
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#ifdef __OBJC__
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#import <Foundation/Foundation.h>
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#endif

‎stripe-example/Info.plist

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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>CFBundleDevelopmentRegion</key>
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<string>en</string>
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<key>CFBundleDisplayName</key>
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<string>${PRODUCT_NAME}</string>
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<key>CFBundleExecutable</key>
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<string>${EXECUTABLE_NAME}</string>
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<key>CFBundleIconFiles</key>
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<array/>
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<key>CFBundleIdentifier</key>
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<string>info.brisy.${PRODUCT_NAME:rfc1034identifier}</string>
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<key>CFBundleInfoDictionaryVersion</key>
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<string>6.0</string>
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<key>CFBundleName</key>
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<string>${PRODUCT_NAME}</string>
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<key>CFBundlePackageType</key>
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<string>APPL</string>
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<key>CFBundleShortVersionString</key>
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<string>1.0</string>
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<key>CFBundleSignature</key>
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<string>????</string>
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<key>CFBundleVersion</key>
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<string>1.0</string>
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<key>LSRequiresIPhoneOS</key>
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<true/>
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<key>UIRequiredDeviceCapabilities</key>
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<array>
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<string>armv7</string>
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</array>
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<key>UISupportedInterfaceOrientations</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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<key>UISupportedInterfaceOrientations~ipad</key>
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<array>
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<string>UIInterfaceOrientationPortrait</string>
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<string>UIInterfaceOrientationPortraitUpsideDown</string>
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<string>UIInterfaceOrientationLandscapeLeft</string>
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<string>UIInterfaceOrientationLandscapeRight</string>
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</array>
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</dict>
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</plist>

‎stripe-example/STAppDelegate.h

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#import <UIKit/UIKit.h>
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@interface STAppDelegate : UIResponder <UIApplicationDelegate>
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@property (strong, nonatomic) UIWindow *window;
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@end

‎stripe-example/STAppDelegate.m

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#import "STAppDelegate.h"
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#import "STRootViewController.h"
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@implementation STAppDelegate
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@synthesize window = _window;
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- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
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self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
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STRootViewController *rootViewController = [[STRootViewController alloc] init];
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self.window.rootViewController = [[UINavigationController alloc]
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initWithRootViewController:rootViewController];
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[self.window makeKeyAndVisible];
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return YES;
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}
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@end

‎stripe-example/STCardViewController.h

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@class StripeConnection;
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@protocol STCardViewControllerDelegate <NSObject>
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- (void)addToken:(NSString *)token;
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@end
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@interface STCardViewController : UIViewController <UIPickerViewDataSource, UIPickerViewDelegate>
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@property (strong, nonatomic) StripeConnection *stripeConnection;
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@property (weak, nonatomic) IBOutlet UITextField *nameField;
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@property (weak, nonatomic) IBOutlet UITextField *numberField;
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@property (weak, nonatomic) IBOutlet UITextField *expiryField;
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@property (weak, nonatomic) IBOutlet UITextField *CVCField;
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@property (weak, nonatomic) IBOutlet UIPickerView *pickerView;
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@property (weak, nonatomic) IBOutlet UIToolbar *keyboardToolbar;
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@property (weak, nonatomic) id <STCardViewControllerDelegate>delegate;
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- (IBAction)fieldSelected:(UISegmentedControl *)control;
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- (IBAction)donePressed:(id)sender;
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@end

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