(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.

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/charge-permission.html#get-charge-permission

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#include <C_CkHttp.h>
#include <C_CkPrivateKey.h>
#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkPrivateKey privKey;
    const char *publicKeyId;
    int respStatusCode;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject jResp;
    const char *paymentDescriptor;
    const char *chargePermissionId;
    const char *chargePermissionReferenceId;
    const char *buyerBuyerId;
    const char *buyerName;
    const char *buyerEmail;
    const char *buyerPhoneNumber;
    const char *buyerPrimeMembershipTypes;
    const char *releaseEnvironment;
    const char *shippingAddressName;
    const char *shippingAddressAddressLine1;
    const char *shippingAddressAddressLine2;
    const char *shippingAddressAddressLine3;
    const char *shippingAddressCity;
    const char *shippingAddressCounty;
    const char *shippingAddressDistrict;
    const char *shippingAddressStateOrRegion;
    const char *shippingAddressPostalCode;
    const char *shippingAddressCountryCode;
    const char *shippingAddressPhoneNumber;
    const char *billingAddressName;
    const char *billingAddressAddressLine1;
    const char *billingAddressAddressLine2;
    const char *billingAddressAddressLine3;
    const char *billingAddressCity;
    const char *billingAddressCounty;
    const char *billingAddressDistrict;
    const char *billingAddressStateOrRegion;
    const char *billingAddressPostalCode;
    const char *billingAddressCountryCode;
    const char *billingAddressPhoneNumber;
    const char *statusDetailsState;
    const char *statusDetailsReasons;
    const char *statusDetailsLastUpdatedTimestamp;
    const char *creationTimestamp;
    const char *expirationTimestamp;
    const char *merchantMetadataMerchantReferenceId;
    const char *merchantMetadataMerchantStoreName;
    const char *merchantMetadataNoteToBuyer;
    const char *merchantMetadataCustomInformation;
    const char *platformId;
    const char *limitsAmountLimitAmount;
    const char *limitsAmountLimitCurrencyCode;
    const char *limitsAmountBalanceAmount;
    const char *limitsAmountBalanceCurrencyCode;
    const char *presentmentCurrency;
    int i;
    int count_i;

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

    http = CkHttp_Create();

    // 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.
    privKey = CkPrivateKey_Create();
    success = CkPrivateKey_LoadPemFile(privKey,"C:/someDir/myAmazonPayPrivateKey.pem");
    if (success == FALSE) {
        printf("%s\n",CkPrivateKey_lastErrorText(privKey));
        CkHttp_Dispose(http);
        CkPrivateKey_Dispose(privKey);
        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
    publicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
    success = CkHttp_SetAuthPrivateKey(http,publicKeyId,privKey);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkPrivateKey_Dispose(privKey);
        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

    CkHttp_putAccept(http,"application/json");

    respStatusCode = 0;

    sbResponseBody = CkStringBuilder_Create();
    success = CkHttp_SetUrlVar(http,"chargePermissionId","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 = CkHttp_QuickGetSb(http,"https://pay-api.amazon.eu/sandbox/v2/chargePermissions/{$chargePermissionId}",sbResponseBody);
    if (success == FALSE) {
        // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
        respStatusCode = CkHttp_getLastStatus(http);
        if (respStatusCode != 0) {
            printf("Response Status Code = %d\n",respStatusCode);
            printf("Response body:\n");
            printf("%s\n",CkHttp_lastResponseBody(http));
        }
        else {
            printf("%s\n",CkHttp_lastErrorText(http));
        }

        CkHttp_Dispose(http);
        CkPrivateKey_Dispose(privKey);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    jResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jResp,sbResponseBody);
    CkJsonObject_putEmitCompact(jResp,FALSE);

    printf("Response Body:\n");
    printf("%s\n",CkJsonObject_emit(jResp));

    respStatusCode = CkHttp_getLastStatus(http);
    printf("Response Status Code = %d\n",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) {
        printf("Failed.\n");
        CkHttp_Dispose(http);
        CkPrivateKey_Dispose(privKey);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        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

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    chargePermissionId = CkJsonObject_stringOf(jResp,"chargePermissionId");
    chargePermissionReferenceId = CkJsonObject_stringOf(jResp,"chargePermissionReferenceId");
    buyerBuyerId = CkJsonObject_stringOf(jResp,"buyer.buyerId");
    buyerName = CkJsonObject_stringOf(jResp,"buyer.name");
    buyerEmail = CkJsonObject_stringOf(jResp,"buyer.email");
    buyerPhoneNumber = CkJsonObject_stringOf(jResp,"buyer.phoneNumber");
    buyerPrimeMembershipTypes = CkJsonObject_stringOf(jResp,"buyer.primeMembershipTypes");
    releaseEnvironment = CkJsonObject_stringOf(jResp,"releaseEnvironment");
    shippingAddressName = CkJsonObject_stringOf(jResp,"shippingAddress.name");
    shippingAddressAddressLine1 = CkJsonObject_stringOf(jResp,"shippingAddress.addressLine1");
    shippingAddressAddressLine2 = CkJsonObject_stringOf(jResp,"shippingAddress.addressLine2");
    shippingAddressAddressLine3 = CkJsonObject_stringOf(jResp,"shippingAddress.addressLine3");
    shippingAddressCity = CkJsonObject_stringOf(jResp,"shippingAddress.city");
    shippingAddressCounty = CkJsonObject_stringOf(jResp,"shippingAddress.county");
    shippingAddressDistrict = CkJsonObject_stringOf(jResp,"shippingAddress.district");
    shippingAddressStateOrRegion = CkJsonObject_stringOf(jResp,"shippingAddress.stateOrRegion");
    shippingAddressPostalCode = CkJsonObject_stringOf(jResp,"shippingAddress.postalCode");
    shippingAddressCountryCode = CkJsonObject_stringOf(jResp,"shippingAddress.countryCode");
    shippingAddressPhoneNumber = CkJsonObject_stringOf(jResp,"shippingAddress.phoneNumber");
    billingAddressName = CkJsonObject_stringOf(jResp,"billingAddress.name");
    billingAddressAddressLine1 = CkJsonObject_stringOf(jResp,"billingAddress.addressLine1");
    billingAddressAddressLine2 = CkJsonObject_stringOf(jResp,"billingAddress.addressLine2");
    billingAddressAddressLine3 = CkJsonObject_stringOf(jResp,"billingAddress.addressLine3");
    billingAddressCity = CkJsonObject_stringOf(jResp,"billingAddress.city");
    billingAddressCounty = CkJsonObject_stringOf(jResp,"billingAddress.county");
    billingAddressDistrict = CkJsonObject_stringOf(jResp,"billingAddress.district");
    billingAddressStateOrRegion = CkJsonObject_stringOf(jResp,"billingAddress.stateOrRegion");
    billingAddressPostalCode = CkJsonObject_stringOf(jResp,"billingAddress.postalCode");
    billingAddressCountryCode = CkJsonObject_stringOf(jResp,"billingAddress.countryCode");
    billingAddressPhoneNumber = CkJsonObject_stringOf(jResp,"billingAddress.phoneNumber");
    statusDetailsState = CkJsonObject_stringOf(jResp,"statusDetails.state");
    statusDetailsReasons = CkJsonObject_stringOf(jResp,"statusDetails.reasons");
    statusDetailsLastUpdatedTimestamp = CkJsonObject_stringOf(jResp,"statusDetails.lastUpdatedTimestamp");
    creationTimestamp = CkJsonObject_stringOf(jResp,"creationTimestamp");
    expirationTimestamp = CkJsonObject_stringOf(jResp,"expirationTimestamp");
    merchantMetadataMerchantReferenceId = CkJsonObject_stringOf(jResp,"merchantMetadata.merchantReferenceId");
    merchantMetadataMerchantStoreName = CkJsonObject_stringOf(jResp,"merchantMetadata.merchantStoreName");
    merchantMetadataNoteToBuyer = CkJsonObject_stringOf(jResp,"merchantMetadata.noteToBuyer");
    merchantMetadataCustomInformation = CkJsonObject_stringOf(jResp,"merchantMetadata.customInformation");
    platformId = CkJsonObject_stringOf(jResp,"platformId");
    limitsAmountLimitAmount = CkJsonObject_stringOf(jResp,"limits.amountLimit.amount");
    limitsAmountLimitCurrencyCode = CkJsonObject_stringOf(jResp,"limits.amountLimit.currencyCode");
    limitsAmountBalanceAmount = CkJsonObject_stringOf(jResp,"limits.amountBalance.amount");
    limitsAmountBalanceCurrencyCode = CkJsonObject_stringOf(jResp,"limits.amountBalance.currencyCode");
    presentmentCurrency = CkJsonObject_stringOf(jResp,"presentmentCurrency");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(jResp,"paymentPreferences");
    while (i < count_i) {
        CkJsonObject_putI(jResp,i);
        paymentDescriptor = CkJsonObject_stringOf(jResp,"paymentPreferences[i].paymentDescriptor");
        i = i + 1;
    }



    CkHttp_Dispose(http);
    CkPrivateKey_Dispose(privKey);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(jResp);

    }