Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
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 Pascal (Lazarus/Delphi) Downloads
program ChilkatDemo;
// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
SysUtils,
CkDllLoader,
Chilkat.Http,
Chilkat.StringBuilder,
Chilkat.PrivateKey,
Chilkat.JsonObject;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
http: THttp;
privKey: TPrivateKey;
publicKeyId: string;
respStatusCode: Integer;
sbResponseBody: TStringBuilder;
jResp: TJsonObject;
paymentDescriptor: string;
chargePermissionId: string;
chargePermissionReferenceId: string;
buyerBuyerId: string;
buyerName: string;
buyerEmail: string;
buyerPhoneNumber: string;
buyerPrimeMembershipTypes: string;
releaseEnvironment: string;
shippingAddressName: string;
shippingAddressAddressLine1: string;
shippingAddressAddressLine2: string;
shippingAddressAddressLine3: string;
shippingAddressCity: string;
shippingAddressCounty: string;
shippingAddressDistrict: string;
shippingAddressStateOrRegion: string;
shippingAddressPostalCode: string;
shippingAddressCountryCode: string;
shippingAddressPhoneNumber: string;
billingAddressName: string;
billingAddressAddressLine1: string;
billingAddressAddressLine2: string;
billingAddressAddressLine3: string;
billingAddressCity: string;
billingAddressCounty: string;
billingAddressDistrict: string;
billingAddressStateOrRegion: string;
billingAddressPostalCode: string;
billingAddressCountryCode: string;
billingAddressPhoneNumber: string;
statusDetailsState: string;
statusDetailsReasons: string;
statusDetailsLastUpdatedTimestamp: string;
creationTimestamp: string;
expirationTimestamp: string;
merchantMetadataMerchantReferenceId: string;
merchantMetadataMerchantStoreName: string;
merchantMetadataNoteToBuyer: string;
merchantMetadataCustomInformation: string;
platformId: string;
limitsAmountLimitAmount: string;
limitsAmountLimitCurrencyCode: string;
limitsAmountBalanceAmount: string;
limitsAmountBalanceCurrencyCode: string;
presentmentCurrency: string;
i: Integer;
count_i: Integer;
begin
success := False;
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http := THttp.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 := TPrivateKey.Create;
success := privKey.LoadPemFile('C:/someDir/myAmazonPayPrivateKey.pem');
if (success = False) then
begin
WriteLn(privKey.LastErrorText);
Exit;
end;
// 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 := http.SetAuthPrivateKey(publicKeyId,privKey);
if (success = False) then
begin
WriteLn(http.LastErrorText);
Exit;
end;
// 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';
respStatusCode := 0;
sbResponseBody := TStringBuilder.Create;
success := http.SetUrlVar('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 := http.QuickGetSb('https://pay-api.amazon.eu/sandbox/v2/chargePermissions/{$chargePermissionId}',sbResponseBody);
if (success = False) then
begin
// If the LastStatus is not equal to 0, then we received a response, but it was an error response.
respStatusCode := http.LastStatus;
if (respStatusCode <> 0) then
begin
WriteLn('Response Status Code = ' + respStatusCode);
WriteLn('Response body:');
WriteLn(http.LastResponseBody);
end
else
begin
WriteLn(http.LastErrorText);
end;
Exit;
end;
jResp := TJsonObject.Create;
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact := False;
WriteLn('Response Body:');
WriteLn(jResp.Emit());
respStatusCode := http.LastStatus;
WriteLn('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) then
begin
WriteLn('Failed.');
Exit;
end;
// 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
chargePermissionId := jResp.StringOf('chargePermissionId');
chargePermissionReferenceId := jResp.StringOf('chargePermissionReferenceId');
buyerBuyerId := jResp.StringOf('buyer.buyerId');
buyerName := jResp.StringOf('buyer.name');
buyerEmail := jResp.StringOf('buyer.email');
buyerPhoneNumber := jResp.StringOf('buyer.phoneNumber');
buyerPrimeMembershipTypes := jResp.StringOf('buyer.primeMembershipTypes');
releaseEnvironment := jResp.StringOf('releaseEnvironment');
shippingAddressName := jResp.StringOf('shippingAddress.name');
shippingAddressAddressLine1 := jResp.StringOf('shippingAddress.addressLine1');
shippingAddressAddressLine2 := jResp.StringOf('shippingAddress.addressLine2');
shippingAddressAddressLine3 := jResp.StringOf('shippingAddress.addressLine3');
shippingAddressCity := jResp.StringOf('shippingAddress.city');
shippingAddressCounty := jResp.StringOf('shippingAddress.county');
shippingAddressDistrict := jResp.StringOf('shippingAddress.district');
shippingAddressStateOrRegion := jResp.StringOf('shippingAddress.stateOrRegion');
shippingAddressPostalCode := jResp.StringOf('shippingAddress.postalCode');
shippingAddressCountryCode := jResp.StringOf('shippingAddress.countryCode');
shippingAddressPhoneNumber := jResp.StringOf('shippingAddress.phoneNumber');
billingAddressName := jResp.StringOf('billingAddress.name');
billingAddressAddressLine1 := jResp.StringOf('billingAddress.addressLine1');
billingAddressAddressLine2 := jResp.StringOf('billingAddress.addressLine2');
billingAddressAddressLine3 := jResp.StringOf('billingAddress.addressLine3');
billingAddressCity := jResp.StringOf('billingAddress.city');
billingAddressCounty := jResp.StringOf('billingAddress.county');
billingAddressDistrict := jResp.StringOf('billingAddress.district');
billingAddressStateOrRegion := jResp.StringOf('billingAddress.stateOrRegion');
billingAddressPostalCode := jResp.StringOf('billingAddress.postalCode');
billingAddressCountryCode := jResp.StringOf('billingAddress.countryCode');
billingAddressPhoneNumber := jResp.StringOf('billingAddress.phoneNumber');
statusDetailsState := jResp.StringOf('statusDetails.state');
statusDetailsReasons := jResp.StringOf('statusDetails.reasons');
statusDetailsLastUpdatedTimestamp := jResp.StringOf('statusDetails.lastUpdatedTimestamp');
creationTimestamp := jResp.StringOf('creationTimestamp');
expirationTimestamp := jResp.StringOf('expirationTimestamp');
merchantMetadataMerchantReferenceId := jResp.StringOf('merchantMetadata.merchantReferenceId');
merchantMetadataMerchantStoreName := jResp.StringOf('merchantMetadata.merchantStoreName');
merchantMetadataNoteToBuyer := jResp.StringOf('merchantMetadata.noteToBuyer');
merchantMetadataCustomInformation := jResp.StringOf('merchantMetadata.customInformation');
platformId := jResp.StringOf('platformId');
limitsAmountLimitAmount := jResp.StringOf('limits.amountLimit.amount');
limitsAmountLimitCurrencyCode := jResp.StringOf('limits.amountLimit.currencyCode');
limitsAmountBalanceAmount := jResp.StringOf('limits.amountBalance.amount');
limitsAmountBalanceCurrencyCode := jResp.StringOf('limits.amountBalance.currencyCode');
presentmentCurrency := jResp.StringOf('presentmentCurrency');
i := 0;
count_i := jResp.SizeOfArray('paymentPreferences');
while i < count_i do
begin
jResp.I := i;
paymentDescriptor := jResp.StringOf('paymentPreferences[i].paymentDescriptor');
i := i + 1;
end;
http.Free;
privKey.Free;
sbResponseBody.Free;
jResp.Free;
end;
// ---------------------------------------------------------------------------
begin
try
RunDemo;
except
on E: Exception do
WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
end;
WriteLn;
{$IFDEF MSWINDOWS}
WriteLn('Press Enter to exit...');
ReadLn;
{$ENDIF}
end.