PureBasic
PureBasic
PayPal - Capture Authorization
See more PayPal Examples
Capture and process a previously created authorization. The original payment call must have the intent set to authorize.Note: This example requires Chilkat v9.5.0.65 or greater.
Chilkat PureBasic Downloads
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkRest.pb"
Procedure ChilkatExample()
success.i = 0
; Note: Requires Chilkat v9.5.0.64 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)
jsonToken.i = CkJsonObject::ckCreate()
If jsonToken.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::ckLoadFile(jsonToken,"qa_data/tokens/paypal.json")
; Build the Authorization request header field value.
sbAuth.i = CkStringBuilder::ckCreate()
If sbAuth.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
; token_type should be "Bearer"
CkStringBuilder::ckAppend(sbAuth,CkJsonObject::ckStringOf(jsonToken,"token_type"))
CkStringBuilder::ckAppend(sbAuth," ")
CkStringBuilder::ckAppend(sbAuth,CkJsonObject::ckStringOf(jsonToken,"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.
rest.i = CkRest::ckCreate()
If rest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
bAutoReconnect.i = 1
success = CkRest::ckConnect(rest,"api.sandbox.paypal.com",443,1,bAutoReconnect)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
ProcedureReturn
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..
; ----------------------------------------------------------------------------------------------
; To capture a particular amount, build JSON such as this:
json.i = CkJsonObject::ckCreate()
If json.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::setCkEmitCompact(json, 0)
CkJsonObject::ckUpdateString(json,"amount.currency","USD")
CkJsonObject::ckUpdateString(json,"amount.total","6.70")
; is_final_capture is optional and indicates whether to release all remaining funds that the authorization holds in the funding instrument.
CkJsonObject::ckUpdateBool(json,"is_final_capture",1)
Debug CkJsonObject::ckEmit(json)
; The JSON created by the above code:
; {
; "amount": {
; "currency": "USD",
; "total": "6.70"
; },
; "is_final_capture": true
; }
; This is the OAuth2 Authorization header, not to be confused with a PayPal credit card authorization...
CkRest::ckAddHeader(rest,"Authorization",CkStringBuilder::ckGetAsString(sbAuth))
CkRest::ckAddHeader(rest,"Content-Type","application/json")
; The authorization ID is added to the path.
; The authorization ID is obtained from payment records as shown here: Find Authorizations
sbPath.i = CkStringBuilder::ckCreate()
If sbPath.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkStringBuilder::ckAppend(sbPath,"/v1/payments/authorization/authorization_id/capture")
numReplaced.i = CkStringBuilder::ckReplace(sbPath,"authorization_id","6HG91590AX913463C")
; Send the POST request containing the JSON in the request body, and get the JSON response.
sbJsonRequest.i = CkStringBuilder::ckCreate()
If sbJsonRequest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::setCkEmitCompact(json, 1)
CkJsonObject::ckEmitSb(json,sbJsonRequest)
sbJsonResponse.i = CkStringBuilder::ckCreate()
If sbJsonResponse.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success = CkRest::ckFullRequestSb(rest,"POST",CkStringBuilder::ckGetAsString(sbPath),sbJsonRequest,sbJsonResponse)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbPath)
CkStringBuilder::ckDispose(sbJsonRequest)
CkStringBuilder::ckDispose(sbJsonResponse)
ProcedureReturn
EndIf
CkJsonObject::setCkEmitCompact(json, 0)
CkJsonObject::ckLoadSb(json,sbJsonResponse)
Debug "Response Status Code = " + Str(CkRest::ckResponseStatusCode(rest))
; Did we get a 200 success response?
If CkRest::ckResponseStatusCode(rest) <> 200
Debug CkJsonObject::ckEmit(json)
Debug "Failed."
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbPath)
CkStringBuilder::ckDispose(sbJsonRequest)
CkStringBuilder::ckDispose(sbJsonResponse)
ProcedureReturn
EndIf
Debug CkJsonObject::ckEmit(json)
Debug "Success."
; A successful JSON response:
; {
; "id": "87S70321AE222860G",
; "create_time": "2016-11-26T17:27:46Z",
; "update_time": "2016-11-26T17:27:50Z",
; "amount": {
; "total": "6.70",
; "currency": "USD"
; },
; "is_final_capture": true,
; "state": "completed",
; "reasonCode": "None",
; "parent_payment": "PAY-3SL8976592063093RLA3DMAY",
; "transaction_fee": {
; "value": "0.49",
; "currency": "USD"
; },
; "links": [
; {
; "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G",
; "rel": "self",
; "method": "GET"
; },
; {
; "href": "https://api.sandbox.paypal.com/v1/payments/capture/87S70321AE222860G/refund",
; "rel": "refund",
; "method": "POST"
; },
; {
; "href": "https://api.sandbox.paypal.com/v1/payments/authorization/6HG91590AX913463C",
; "rel": "authorization",
; "method": "GET"
; },
; {
; "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-3SL8976592063093RLA3DMAY",
; "rel": "parent_payment",
; "method": "GET"
; }
; ]
; }
;
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbPath)
CkStringBuilder::ckDispose(sbJsonRequest)
CkStringBuilder::ckDispose(sbJsonResponse)
ProcedureReturn
EndProcedure