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Objective-C

Amazon Pay - Get Charge Permission

See more Amazon Pay Examples

Get Charge Permission to determine if this Charge Permission can be used to charge the buyer.

Chilkat Objective-C Downloads

Objective-C
#import <CkoHttp.h>
#import <CkoPrivateKey.h>
#import <NSString.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>

BOOL success = NO;

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

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

//  Implements the following CURL command:

//  curl "https://pay-api.amazon.com/:version/chargePermissions/:chargePermissionId"
//  	-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: @"chargePermissionId" value: @"P21-1111111-1111111"];
//  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/chargePermissions/{$chargePermissionId}" 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);
        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)

//  {
//      "chargePermissionId": "chargePermission-1",
//      "chargePermissionReferenceId": null,
//      "buyer": {
//          "buyerId": "buyerId",
//          "name": "name-1",
//          "email": "name@amazon.com",
//          "phoneNumber": "800-000-0000",
//          "primeMembershipTypes": null
//      },
//      "releaseEnvironment": "Live",
//      "shippingAddress":{  // Null for PayOnly product type
//          "name": "Work",
//          "addressLine1": "440 Terry Ave",
//          "addressLine2": "",
//          "addressLine3": "",
//          "city": "Seattle",
//          "county": "King",
//          "district": "Seattle",
//          "stateOrRegion": "WA",
//          "postalCode": "98121",
//          "countryCode": "US",
//          "phoneNumber": "800-000-0000"
//      },
//      "billingAddress":{  // Only available in EU or for PayOnly product type
//          "name": "Work",
//          "addressLine1": "440 Terry Ave",
//          "addressLine2": "",
//          "addressLine3": "",
//          "city": "Seattle",
//          "county": "King",
//          "district": "Seattle",
//          "stateOrRegion": "WA",
//          "postalCode": "98121",
//          "countryCode": "US",
//          "phoneNumber": "800-000-0000"
//      },
//      "paymentPreferences":[{
//          "paymentDescriptor": null
//      }],
//      "statusDetails":{
//          "state": "Chargeable",
//          "reasons":null,
//          "lastUpdatedTimestamp": "20190714T155300Z"
//      },
//      "creationTimestamp": "20190714T155300Z",
//      "expirationTimestamp": "20190715T155300Z",
//      "merchantMetadata":{
//          "merchantReferenceId": "123-77-876", 
//          "merchantStoreName": "AmazonTestStoreFront",
//          "noteToBuyer": "merchantNoteForBuyer",
//          "customInformation": "This is custom information"
//      },
//      "platformId": "SPId",
//      "limits": {
//          "amountLimit": {
//              "amount": "14.00",
//              "currencyCode": "USD"
//          },
//          "amountBalance": {
//              "amount": "14.00",
//              "currencyCode": "USD"
//          }
//      },
//      "presentmentCurrency": "USD"
//  }

//  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 *paymentDescriptor = 0;

NSString *chargePermissionId = [jResp StringOf: @"chargePermissionId"];
NSString *chargePermissionReferenceId = [jResp StringOf: @"chargePermissionReferenceId"];
NSString *buyerBuyerId = [jResp StringOf: @"buyer.buyerId"];
NSString *buyerName = [jResp StringOf: @"buyer.name"];
NSString *buyerEmail = [jResp StringOf: @"buyer.email"];
NSString *buyerPhoneNumber = [jResp StringOf: @"buyer.phoneNumber"];
NSString *buyerPrimeMembershipTypes = [jResp StringOf: @"buyer.primeMembershipTypes"];
NSString *releaseEnvironment = [jResp StringOf: @"releaseEnvironment"];
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 *shippingAddressPostalCode = [jResp StringOf: @"shippingAddress.postalCode"];
NSString *shippingAddressCountryCode = [jResp StringOf: @"shippingAddress.countryCode"];
NSString *shippingAddressPhoneNumber = [jResp StringOf: @"shippingAddress.phoneNumber"];
NSString *billingAddressName = [jResp StringOf: @"billingAddress.name"];
NSString *billingAddressAddressLine1 = [jResp StringOf: @"billingAddress.addressLine1"];
NSString *billingAddressAddressLine2 = [jResp StringOf: @"billingAddress.addressLine2"];
NSString *billingAddressAddressLine3 = [jResp StringOf: @"billingAddress.addressLine3"];
NSString *billingAddressCity = [jResp StringOf: @"billingAddress.city"];
NSString *billingAddressCounty = [jResp StringOf: @"billingAddress.county"];
NSString *billingAddressDistrict = [jResp StringOf: @"billingAddress.district"];
NSString *billingAddressStateOrRegion = [jResp StringOf: @"billingAddress.stateOrRegion"];
NSString *billingAddressPostalCode = [jResp StringOf: @"billingAddress.postalCode"];
NSString *billingAddressCountryCode = [jResp StringOf: @"billingAddress.countryCode"];
NSString *billingAddressPhoneNumber = [jResp StringOf: @"billingAddress.phoneNumber"];
NSString *statusDetailsState = [jResp StringOf: @"statusDetails.state"];
NSString *statusDetailsReasons = [jResp StringOf: @"statusDetails.reasons"];
NSString *statusDetailsLastUpdatedTimestamp = [jResp StringOf: @"statusDetails.lastUpdatedTimestamp"];
NSString *creationTimestamp = [jResp StringOf: @"creationTimestamp"];
NSString *expirationTimestamp = [jResp StringOf: @"expirationTimestamp"];
NSString *merchantMetadataMerchantReferenceId = [jResp StringOf: @"merchantMetadata.merchantReferenceId"];
NSString *merchantMetadataMerchantStoreName = [jResp StringOf: @"merchantMetadata.merchantStoreName"];
NSString *merchantMetadataNoteToBuyer = [jResp StringOf: @"merchantMetadata.noteToBuyer"];
NSString *merchantMetadataCustomInformation = [jResp StringOf: @"merchantMetadata.customInformation"];
NSString *platformId = [jResp StringOf: @"platformId"];
NSString *limitsAmountLimitAmount = [jResp StringOf: @"limits.amountLimit.amount"];
NSString *limitsAmountLimitCurrencyCode = [jResp StringOf: @"limits.amountLimit.currencyCode"];
NSString *limitsAmountBalanceAmount = [jResp StringOf: @"limits.amountBalance.amount"];
NSString *limitsAmountBalanceCurrencyCode = [jResp StringOf: @"limits.amountBalance.currencyCode"];
NSString *presentmentCurrency = [jResp StringOf: @"presentmentCurrency"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"paymentPreferences"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    paymentDescriptor = [jResp StringOf: @"paymentPreferences[i].paymentDescriptor"];
    i = i + 1;
}