(MFC) 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

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkPrivateKey.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;
    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.
    CkPrivateKey privKey;
    success = privKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem");
    if (success == false) {
        strOut.append(privKey.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        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
    const char *publicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
    success = http.SetAuthPrivateKey(publicKeyId,privKey);
    if (success == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        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.put_Accept("application/json");

    int respStatusCode = 0;

    CkStringBuilder sbResponseBody;
    success = http.SetUrlVar("buyerToken","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}",sbResponseBody);
    if (success == false) {
        // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
        respStatusCode = http.get_LastStatus();
        if (respStatusCode != 0) {
            strOut.append("Response Status Code = ");
            strOut.appendInt(respStatusCode);
            strOut.append("\r\n");
            // 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."}

            strOut.append("Response body:");
            strOut.append("\r\n");
            strOut.append(http.lastResponseBody());
            strOut.append("\r\n");
        }
        else {
            strOut.append(http.lastErrorText());
            strOut.append("\r\n");
        }

        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    strOut.append("Response Body:");
    strOut.append("\r\n");
    strOut.append(jResp.emit());
    strOut.append("\r\n");

    respStatusCode = http.get_LastStatus();
    strOut.append("Response Status Code = ");
    strOut.appendInt(respStatusCode);
    strOut.append("\r\n");
    // We expect a 200 status code for success.
    // Note: Some Amazon Pay API calls return 200 for success, others return 201.
    if (respStatusCode != 200) {
        strOut.append("Failed.");
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        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

    // 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.

    const char *name = jResp.stringOf("name");
    const char *email = jResp.stringOf("email");
    const char *postalCode = jResp.stringOf("postalCode");
    const char *countryCode = jResp.stringOf("countryCode");
    const char *buyerId = jResp.stringOf("buyerId");
    const char *phoneNumber = jResp.stringOf("phoneNumber");
    const char *shippingAddressName = jResp.stringOf("shippingAddress.name");
    const char *shippingAddressAddressLine1 = jResp.stringOf("shippingAddress.addressLine1");
    const char *shippingAddressAddressLine2 = jResp.stringOf("shippingAddress.addressLine2");
    const char *shippingAddressAddressLine3 = jResp.stringOf("shippingAddress.addressLine3");
    const char *shippingAddressCity = jResp.stringOf("shippingAddress.city");
    const char *shippingAddressCounty = jResp.stringOf("shippingAddress.county");
    const char *shippingAddressDistrict = jResp.stringOf("shippingAddress.district");
    const char *shippingAddressStateOrRegion = jResp.stringOf("shippingAddress.stateOrRegion");
    const char *shippingAddressCountry = jResp.stringOf("shippingAddress.country");
    const char *shippingAddressPostalCode = jResp.stringOf("shippingAddress.postalCode");
    const char *shippingAddressPhoneNumber = jResp.stringOf("shippingAddress.phoneNumber");
    const char *billingAddress = jResp.stringOf("billingAddress");
    const char *primeMembershipTypes = jResp.stringOf("primeMembershipTypes");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }