(Objective-C) Amazon Pay - Get Buyer

See more Amazon Pay Examples

Get buyer details.

Note: This example requires Chilkat v9.5.0.89 or later. Contact support@chilkatsoft.com to get a v9.5.0.89 pre-release for testing.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/buyer.html#get-buyer

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#import <CkoHttp.h>
#import <CkoPrivateKey.h>
#import <NSString.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

// Implements the following CURL command:

// curl "https://pay-api.amazon.com/:version/buyers/:buyerToken" \
// 	-X GET
// 	-H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// 	-H "x-amz-pay-date:20201012T235046Z"

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Load your Amazon Pay private key.  
// There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
// or from in-memory strings or bytes.
CkoPrivateKey *privKey = [[CkoPrivateKey alloc] init];
success = [privKey LoadPemFile: @"C:/someDir/myAmazonPayPrivateKey.pem"];
if (success == NO) {
    NSLog(@"%@",privKey.LastErrorText);
    return;
}

// Provide your Amazon Pay private key and Public Key ID 
// Use your public key ID here.  It must be the one associated with the private key.
// Note: The SetAuthPrivateKey method was added in Chilkat v9.5.0.89
NSString *publicKeyId = @"SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
success = [http SetAuthPrivateKey: publicKeyId privKey: privKey];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

// Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
// and will also sign the request.  Nothing more is needed.
// Chilkat automatically generates and adds the following headers:
// 
// x-amz-pay-date
// x-amz-pay-host
// x-amz-pay-region
// Authorization

http.Accept = @"application/json";

int respStatusCode = 0;

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [http SetUrlVar: @"buyerToken" value: @"BUYER_TOKEN"];
// To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
// Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
success = [http QuickGetSb: @"https://pay-api.amazon.eu/sandbox/v2/buyers/{$buyerToken}" sbContent: sbResponseBody];
if (success == NO) {
    // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
    respStatusCode = [http.LastStatus intValue];
    if (respStatusCode != 0) {
        NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
        // Here is a sample response body for the case where the buyer token does not exist:
        // {"reasonCode":"InvalidBuyerToken","message":"The token provided is expired, revoked, malformed, or invalid for other reasons."}

        NSLog(@"%@",@"Response body:");
        NSLog(@"%@",http.LastResponseBody);
    }
    else {
        NSLog(@"%@",http.LastErrorText);
    }

    return;
}

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: sbResponseBody];
jResp.EmitCompact = NO;

NSLog(@"%@",@"Response Body:");
NSLog(@"%@",[jResp Emit]);

respStatusCode = [http.LastStatus intValue];
NSLog(@"%@%d",@"Response Status Code = ",respStatusCode);
// We expect a 200 status code for success.
// Note: Some Amazon Pay API calls return 200 for success, others return 201.
if (respStatusCode != 200) {
    NSLog(@"%@",@"Failed.");
    return;
}

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
// 	"name": "John Example",
// 	"email": "johnexample@amazon.com",
// 	"postalCode": "12345",
// 	"countryCode": "US",
// 	"buyerId": "DIRECTEDBUYERID",
// 	"phoneNumber": "1234567811" // default billing address phone number
// 	"shippingAddress": {
// 		"name": "John",
// 		"addressLine1": "15th Street",
// 		"addressLine2": "",
// 		"addressLine3": "",
// 		"city": "Seattle", 
// 		"county": "",
// 		"district": "",
// 		"stateOrRegion": "WA",
// 		"country": "USA",
// 		"postalCode": "98121",
// 		"phoneNumber": "1234567899"
// 	},
// 	"billingAddress": null,
// 	"primeMembershipTypes": null
// }

// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

NSString *name = [jResp StringOf: @"name"];
NSString *email = [jResp StringOf: @"email"];
NSString *postalCode = [jResp StringOf: @"postalCode"];
NSString *countryCode = [jResp StringOf: @"countryCode"];
NSString *buyerId = [jResp StringOf: @"buyerId"];
NSString *phoneNumber = [jResp StringOf: @"phoneNumber"];
NSString *shippingAddressName = [jResp StringOf: @"shippingAddress.name"];
NSString *shippingAddressAddressLine1 = [jResp StringOf: @"shippingAddress.addressLine1"];
NSString *shippingAddressAddressLine2 = [jResp StringOf: @"shippingAddress.addressLine2"];
NSString *shippingAddressAddressLine3 = [jResp StringOf: @"shippingAddress.addressLine3"];
NSString *shippingAddressCity = [jResp StringOf: @"shippingAddress.city"];
NSString *shippingAddressCounty = [jResp StringOf: @"shippingAddress.county"];
NSString *shippingAddressDistrict = [jResp StringOf: @"shippingAddress.district"];
NSString *shippingAddressStateOrRegion = [jResp StringOf: @"shippingAddress.stateOrRegion"];
NSString *shippingAddressCountry = [jResp StringOf: @"shippingAddress.country"];
NSString *shippingAddressPostalCode = [jResp StringOf: @"shippingAddress.postalCode"];
NSString *shippingAddressPhoneNumber = [jResp StringOf: @"shippingAddress.phoneNumber"];
NSString *billingAddress = [jResp StringOf: @"billingAddress"];
NSString *primeMembershipTypes = [jResp StringOf: @"primeMembershipTypes"];