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(Visual FoxPro) PayPal - Authorize a PaymentCreates an authorization for a payment. This is for the case where the payment will first be authorized, and then captured at a later date. (In other words, the buyer is providing his/her credit card information now, and the actual charge (capture) will take place at a later time.) Creating the authorization is the same as creating "sale" payment, except the intent is set to "authorize" instead of "sale". This example requests an authorization for a credit card payment (using a credit card ID previoulsy stored in the PayPal vault).
Note: This example requires Chilkat v9.5.0.65 or greater.
LOCAL loJsonToken LOCAL loSbAuth LOCAL loRest LOCAL lnBAutoReconnect LOCAL lnSuccess LOCAL loJson LOCAL loSbJsonRequest LOCAL loSbJsonResponse * Note: Requires Chilkat v9.5.0.65 or greater. * This requires the Chilkat API to have been previously unlocked. * See Global Unlock Sample for sample code. * Load our previously obtained access token. (see PayPal OAuth2 Access Token) * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject') loJsonToken = CreateObject('Chilkat.JsonObject') loJsonToken.LoadFile("qa_data/tokens/paypal.json") * Build the Authorization request header field value. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder') loSbAuth = CreateObject('Chilkat.StringBuilder') * token_type should be "Bearer" loSbAuth.Append(loJsonToken.StringOf("token_type")) loSbAuth.Append(" ") loSbAuth.Append(loJsonToken.StringOf("access_token")) * Make the initial connection. * A single REST object, once connected, can be used for many PayPal REST API calls. * The auto-reconnect indicates that if the already-established HTTPS connection is closed, * then it will be automatically re-established as needed. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Rest') loRest = CreateObject('Chilkat.Rest') lnBAutoReconnect = 1 lnSuccess = loRest.Connect("api.sandbox.paypal.com",443,1,lnBAutoReconnect) IF (lnSuccess <> 1) THEN ? loRest.LastErrorText RELEASE loJsonToken RELEASE loSbAuth RELEASE loRest CANCEL ENDIF * ---------------------------------------------------------------------------------------------- * The code above this comment could be placed inside a function/subroutine within the application * because the connection does not need to be made for every request. Once the connection is made * the app may send many requests.. * ---------------------------------------------------------------------------------------------- * Build the JSON containing the transaction information. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject') loJson = CreateObject('Chilkat.JsonObject') loJson.EmitCompact = 0 loJson.UpdateString("intent","authorize") loJson.UpdateString("payer.payment_method","credit_card") loJson.UpdateString("payer.funding_instruments[0].credit_card_token.credit_card_id","CARD-52W84623JH8043102LA3CLGA") loJson.UpdateString("payer.funding_instruments[0].credit_card_token.payer_id","user12345") loJson.UpdateString("transactions[0].amount.total","6.70") loJson.UpdateString("transactions[0].amount.currency","USD") loJson.UpdateString("transactions[0].description","This is the payment transaction description.") ? loJson.Emit() * The JSON created by the above code is this: * { * "intent": "authorize", * "payer": { * "payment_method": "credit_card", * "funding_instruments": [ * { * "credit_card_token": { * "credit_card_id": "CARD-52W84623JH8043102LA3CLGA", * "payer_id": "user12345" * } * } * ] * }, * "transactions": [ * { * "amount": { * "total": "6.70", * "currency": "USD" * }, * "description": "This is the payment transaction description." * } * ] * } loRest.AddHeader("Authorization",loSbAuth.GetAsString()) loRest.AddHeader("Content-Type","application/json") * Send the POST request containign the JSON in the request body, and get the JSON response. * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder') loSbJsonRequest = CreateObject('Chilkat.StringBuilder') loJson.EmitCompact = 1 loJson.EmitSb(loSbJsonRequest) * For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder') loSbJsonResponse = CreateObject('Chilkat.StringBuilder') lnSuccess = loRest.FullRequestSb("POST","/v1/payments/payment",loSbJsonRequest,loSbJsonResponse) IF (lnSuccess <> 1) THEN ? loRest.LastErrorText RELEASE loJsonToken RELEASE loSbAuth RELEASE loRest RELEASE loJson RELEASE loSbJsonRequest RELEASE loSbJsonResponse CANCEL ENDIF loJson.EmitCompact = 0 loJson.LoadSb(loSbJsonResponse) ? "Response Status Code = " + STR(loRest.ResponseStatusCode) * Did we get a 201 success response? IF (loRest.ResponseStatusCode <> 201) THEN ? loJson.Emit() ? "Failed." RELEASE loJsonToken RELEASE loSbAuth RELEASE loRest RELEASE loJson RELEASE loSbJsonRequest RELEASE loSbJsonResponse CANCEL ENDIF * Sample JSON response is shown below. ? loJson.Emit() * The authorization ID found in the related_resources is used to capture the payment at a later time. ? "authorization id: " + loJson.StringOf("transactions[0].related_resources[0].authorization.id") ? "success" * ------------------------------------------------ * A sample JSON response: * { * "id": "PAY-2CY489250W145633HLA3DK3Y", * "create_time": "2016-11-24T00:33:51Z", * "update_time": "2016-11-24T00:33:58Z", * "state": "approved", * "intent": "authorize", * "payer": { * "payment_method": "credit_card", * "funding_instruments": [ * { * "credit_card_token": { * "credit_card_id": "CARD-52W84623JH8043102LA3CLGA", * "payer_id": "user12345", * "last4": "9974", * "type": "visa", * "expire_month": "9", * "expire_year": "2021" * } * } * ] * }, * "transactions": [ * { * "amount": { * "total": "6.70", * "currency": "USD", * "details": { * "subtotal": "6.70" * } * }, * "description": "This is the payment transaction description.", * "related_resources": [ * { * "authorization": { * "id": "7X8332687A4929542", * "create_time": "2016-11-24T00:33:51Z", * "update_time": "2016-11-24T00:33:58Z", * "amount": { * "total": "6.70", * "currency": "USD", * "details": { * "subtotal": "6.70" * } * }, * "state": "authorized", * "parent_payment": "PAY-2CY489250W145633HLA3DK3Y", * "valid_until": "2016-12-23T00:33:51Z", * "links": [ * { * "href": "https://api.sandbox.paypal.com/v1/payments/authorization/7X8332687A4929542", * "rel": "self", * "method": "GET" * }, * { * "href": "https://api.sandbox.paypal.com/v1/payments/authorization/7X8332687A4929542/capture", * "rel": "capture", * "method": "POST" * }, * { * "href": "https://api.sandbox.paypal.com/v1/payments/authorization/7X8332687A4929542/void", * "rel": "void", * "method": "POST" * }, * { * "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-2CY489250W145633HLA3DK3Y", * "rel": "parent_payment", * "method": "GET" * } * ], * "processor_response": { * "avs_code": "X", * "cvv_code": "M" * }, * "fmf_details": {} * } * } * ] * } * ], * "links": [ * { * "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-2CY489250W145633HLA3DK3Y", * "rel": "self", * "method": "GET" * } * ] * } RELEASE loJsonToken RELEASE loSbAuth RELEASE loRest RELEASE loJson RELEASE loSbJsonRequest RELEASE loSbJsonResponse |
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