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(Classic ASP) 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.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' 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") set jsonToken = Server.CreateObject("Chilkat.JsonObject") success = jsonToken.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") set sbAuth = Server.CreateObject("Chilkat.StringBuilder") ' token_type should be "Bearer" success = sbAuth.Append(jsonToken.StringOf("token_type")) success = sbAuth.Append(" ") success = sbAuth.Append(jsonToken.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") set rest = Server.CreateObject("Chilkat.Rest") bAutoReconnect = 1 success = rest.Connect("api.sandbox.paypal.com",443,1,bAutoReconnect) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>" Response.End End If ' ---------------------------------------------------------------------------------------------- ' 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") set json = Server.CreateObject("Chilkat.JsonObject") json.EmitCompact = 0 success = json.UpdateString("intent","authorize") success = json.UpdateString("payer.payment_method","credit_card") success = json.UpdateString("payer.funding_instruments[0].credit_card_token.credit_card_id","CARD-52W84623JH8043102LA3CLGA") success = json.UpdateString("payer.funding_instruments[0].credit_card_token.payer_id","user12345") success = json.UpdateString("transactions[0].amount.total","6.70") success = json.UpdateString("transactions[0].amount.currency","USD") success = json.UpdateString("transactions[0].description","This is the payment transaction description.") Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>" ' 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." ' } ' ] ' } success = rest.AddHeader("Authorization",sbAuth.GetAsString()) success = rest.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") set sbJsonRequest = Server.CreateObject("Chilkat.StringBuilder") json.EmitCompact = 1 success = json.EmitSb(sbJsonRequest) ' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.StringBuilder") set sbJsonResponse = Server.CreateObject("Chilkat.StringBuilder") success = rest.FullRequestSb("POST","/v1/payments/payment",sbJsonRequest,sbJsonResponse) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>" Response.End End If json.EmitCompact = 0 success = json.LoadSb(sbJsonResponse) Response.Write "<pre>" & Server.HTMLEncode( "Response Status Code = " & rest.ResponseStatusCode) & "</pre>" ' Did we get a 201 success response? If (rest.ResponseStatusCode <> 201) Then Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>" Response.End End If ' Sample JSON response is shown below. Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>" ' The authorization ID found in the related_resources is used to capture the payment at a later time. Response.Write "<pre>" & Server.HTMLEncode( "authorization id: " & json.StringOf("transactions[0].related_resources[0].authorization.id")) & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( "success") & "</pre>" ' ------------------------------------------------ ' 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" ' } ' ] ' } %> </body> </html> |
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