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(PowerBuilder) USPS OAuth2 Client CredentialsSee more OAuth2 ExamplesGet an OAuth2 access token for the United States Postal Service (USPS) REST API.Note: This example requires Chilkat v11.0.0 or greater. For more information, see https://developers.usps.com/api/81
integer li_rc integer li_Success oleobject loo_Http oleobject loo_Req oleobject loo_Resp oleobject loo_SbResponseBody oleobject loo_JResp integer li_RespStatusCode string ls_Access_token string ls_Token_type integer li_Issued_at integer li_Expires_in string ls_Status string ls_Scope string ls_Issuer string ls_Client_id string ls_Application_name string ls_Api_products string ls_Public_key li_Success = 0 // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. loo_Http = create oleobject li_rc = loo_Http.ConnectToNewObject("Chilkat.Http") if li_rc < 0 then destroy loo_Http MessageBox("Error","Connecting to COM object failed") return end if // Implements the following CURL command: // curl -X POST https://apis.usps.com/oauth2/v3/token \ // -H "Content-Type: application/x-www-form-urlencoded" \ // -d "grant_type=client_credentials" \ // -d "client_id=123456789" \ // -d "client_secret=A1B2C3D4E5" \ // -d "scope=ResourceA+ResourceB+ResourceC" // Use the following online tool to generate HTTP code from a CURL command // Convert a cURL Command to HTTP Source Code loo_Req = create oleobject li_rc = loo_Req.ConnectToNewObject("Chilkat.HttpRequest") loo_Req.AddParam("grant_type","client_credentials") loo_Req.AddParam("client_id","123456789") loo_Req.AddParam("client_secret","A1B2C3D4E5") loo_Req.AddParam("scope","ResourceA+ResourceB+ResourceC") loo_Req.HttpVerb = "POST" loo_Req.ContentType = "application/x-www-form-urlencoded" loo_Resp = create oleobject li_rc = loo_Resp.ConnectToNewObject("Chilkat.HttpResponse") li_Success = loo_Http.HttpReq("https://apis.usps.com/oauth2/v3/token",loo_Req,loo_Resp) if li_Success = 0 then Write-Debug loo_Http.LastErrorText destroy loo_Http destroy loo_Req destroy loo_Resp return end if loo_SbResponseBody = create oleobject li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat.StringBuilder") loo_Resp.GetBodySb(loo_SbResponseBody) loo_JResp = create oleobject li_rc = loo_JResp.ConnectToNewObject("Chilkat.JsonObject") loo_JResp.LoadSb(loo_SbResponseBody) loo_JResp.EmitCompact = 0 Write-Debug "Response Body:" Write-Debug loo_JResp.Emit() li_RespStatusCode = loo_Resp.StatusCode Write-Debug "Response Status Code = " + string(li_RespStatusCode) if li_RespStatusCode >= 400 then Write-Debug "Response Header:" Write-Debug loo_Resp.Header Write-Debug "Failed." destroy loo_Http destroy loo_Req destroy loo_Resp destroy loo_SbResponseBody destroy loo_JResp return end if // Sample JSON response: // (Sample code for parsing the JSON response is shown below) // { // "access_token": "eyJraWQiOiIxMDEwMTAiLCJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiJ9.eyJzdWIiOiIiLCJhdWQiOiJhZGRyZXNzZXMgaW50ZXJuYXRpb25hbC1wcmljZXMgc3Vic2NyaXB0aW9ucyBwYXltZW50cyBwaWNrdXAgdHJhY2tpbmcgbGFiZWxzIHNjYW4tZm9ybXMgY29tcGFuaWVzIHNlcnZpY2UtZGVsaXZlcnktc3RhbmRhcmRzIGxvY2F0aW9ucyBpbnRlcm5hdGlvbmFsLWxhYmVscyBwcmljZXMiLCJhenAiOiJoeXI3YjN2Q1J0cFl0QUhNMWE4Y2RVcmt5eUZtTmtiZyIsIm9yZ2FuaXphdGlvbl9pZCI6IjAiLCJpc3MiOiJ1cm46XC9cL2FwaS51c3BzLmNvbSIsImV4cCI6MTY4MDkxNzc4NiwiaWF0IjoxNjgwODg4OTg2LCJqdGkiOiI3YjU5MzJlMS05NjIxLTQzZDAtYTMyNy0xMzIxYWVjNzJjZGYifQ.QzrUxlT2rG4jvYbMDGnk23j8ZYfHJcdXPKR9CbSmcKeVpURaHhEMpPB6K4x5ut3xxeEGSzeE5VRz8vixI4iqyHsD8rSdkLTPHy0iovUHOZQBAJVQ6hii9jpLhxUXmiTtH3jKzSj_f2fuNmZbIGhf-CR2FBeWF-aBPzEDEMV95nkCUMfW_Z2BmkbraSfvQZxkCO-cLrMAwlYcrzUtaJ7vnazeQB4sep5BBHBEvsa4kfq6_tz6BAKgv3R7cI2NkSv-wgy_IGoTjVCMTS8mJHGs_t8cWCO8-z4lxW1tUwIBKOCUDpmEEnGgiG6Sl0C_gGl4bZ5cDSl4IgPpcOVi9jZ7LA", // "token_type": "Bearer", // "issued_at": 1680888985929, // "expires_in": 28799, // "status": "approved", // "scope": "addresses international-prices subscriptions payments pickup tracking labels scan-forms companies service-delivery-standards locations international-labels prices", // "issuer": "api.usps.com", // "client_id": "hyr7b3vCRtpYtAHM1a8cdUrkyyFmNkbg", // "application_name": "Silver Shipper Developer", // "api_products": "[Shipping-Silver]", // "public_key": "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" // } // Sample code for parsing the JSON response... // Use the following online tool to generate parsing code from sample JSON: // Generate Parsing Code from JSON ls_Access_token = loo_JResp.StringOf("access_token") ls_Token_type = loo_JResp.StringOf("token_type") li_Issued_at = loo_JResp.IntOf("issued_at") li_Expires_in = loo_JResp.IntOf("expires_in") ls_Status = loo_JResp.StringOf("status") ls_Scope = loo_JResp.StringOf("scope") ls_Issuer = loo_JResp.StringOf("issuer") ls_Client_id = loo_JResp.StringOf("client_id") ls_Application_name = loo_JResp.StringOf("application_name") ls_Api_products = loo_JResp.StringOf("api_products") ls_Public_key = loo_JResp.StringOf("public_key") destroy loo_Http destroy loo_Req destroy loo_Resp destroy loo_SbResponseBody destroy loo_JResp |
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