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(Classic ASP) PayPal -- Get an OAuth 2.0 Access TokenDemonstrates how to send a request to get a PayPal OAuth2 access token. Sends an HTTP request equivalent to the following: curl https://api.sandbox.paypal.com/v1/oauth2/token \ -H "Accept: application/json" \ -H "Accept-Language: en_US" \ -u "Client-Id:Secret" \ -d "grant_type=client_credentials"
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% ' 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. set rest = Server.CreateObject("Chilkat_9_5_0.Rest") ' 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. 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 ' Duplicate this request: ' curl https://api.sandbox.paypal.com/v1/oauth2/token \ ' -H "Accept: application/json" \ ' -H "Accept-Language: en_US" \ ' -u "Client-Id:Secret" \ ' -d "grant_type=client_credentials" success = rest.AddHeader("Accept","application/json") success = rest.AddHeader("Accept-Language","en_US") ' For additional help on where to find your client ID and API secret, see PayPal Client_ID and API_Secret success = rest.SetAuthBasic("PAYPAL_REST_API_CLIENT_ID","PAYPAL_REST_API_SECRET") success = rest.AddQueryParam("grant_type","client_credentials") responseStr = rest.FullRequestFormUrlEncoded("POST","/v1/oauth2/token") If (rest.LastMethodSuccess <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( rest.LastErrorText) & "</pre>" Response.End End If Response.Write "<pre>" & Server.HTMLEncode( rest.LastRequestHeader) & "</pre>" ' A sample response: ' { ' "scope": "https://api.paypal.com/v1/payments/.* https://api.paypal.com/v1/vault/credit-card https://api.paypal.com/v1/vault/credit-card/.*", ' "access_token": "EEwJ6tF9x5WCIZDYzyZGaz6Khbw7raYRIBV_WxVvgmsG", ' "token_type": "Bearer", ' "app_id": "APP-6XR95014BA15863X", ' "expires_in": 28800 ' } set json = Server.CreateObject("Chilkat_9_5_0.JsonObject") success = json.Load(responseStr) json.EmitCompact = 0 ' Check the response status code. A 200 indicates success.. If (rest.ResponseStatusCode <> 200) Then Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( "Failed.") & "</pre>" Response.End End If ' Given that the access token expires in approx 8 hours, ' let's record the date/time this token was created. ' This will allow us to know beforehand if the token ' is expired (and we can then fetch a new token). set dateTime = Server.CreateObject("Chilkat_9_5_0.CkDateTime") bLocalTime = 0 dtNow = dateTime.GetAsUnixTime(bLocalTime) success = json.AppendInt("tokenCreateTimeUtc",dtNow) ' Examine the access token and save to a file. Response.Write "<pre>" & Server.HTMLEncode( "Access Token: " & json.StringOf("access_token")) & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( "Full JSON Response:") & "</pre>" Response.Write "<pre>" & Server.HTMLEncode( json.Emit()) & "</pre>" set sbResponse = Server.CreateObject("Chilkat_9_5_0.StringBuilder") success = sbResponse.Append(json.Emit()) bEmitBom = 0 success = sbResponse.WriteFile("qa_data/tokens/paypal.json","utf-8",bEmitBom) %> </body> </html> |
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