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Hi Scott,
After getting in touch with the Vertex Cloud technical team, they provided the following explanation and Javascript solution. Does your tool have a solution for this?
The Authentication server is not going to be compatible with the RAW JSON at this moment because this is throwing a security flag from our auth server. The authentication process that will have to be implemented into your client in order to get the accessToken should look something like the following Javascript:
public OAuthResponse getAccessToken() {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
MultiValueMap<String,String> map = new LinkedMultiValueMap<>();
map.add("client_id", "1c2fxxxx-xxxx-xxxx-xxxx-xxxx9a5b2474");
map.add("client_secret", "e645xxxx-xxxx-xxxx-xxxx-xxxxaf9a317c");
map.add("grant_type", "password");
map.add("username", "c7ddxxxx-xxxx-xxxx-xxxx-xxxx6a8a32b1");
map.add("password", "a6adxxxx-xxxx-xxxx-xxxx-xxxx22c0b8d7");
map.add("scope", "calc-rest-api");
HttpEntity<MultiValueMap<String,String>> entity = new HttpEntity<>(map, headers);
ResponseEntity<OAuthResponse> response;
OAuthResponse oAuthResponse = null;
try {
response = restTemplate.postForEntity(oauthUrl, entity, OAuthResponse.class);
oAuthResponse = response.getBody();
} catch (HttpClientErrorException e) {
if (e.getStatusCode().value() >= 400) {
return refreshAccessToken("350630f9-4b6e-47cf-86e3-c1682fcb4ed5");
} else {
String msg = String.format("error while communicating with auth server: %s", e.getMessage());
throw new GeneralAuthServerException(msg);
}
} catch (Exception e) {
String msg = String.format("error while communicating with auth server: %s", e.getMessage());
throw new GeneralAuthServerException(msg);
}
if (oAuthResponse == null) {
throw new GeneralAuthServerException("OAuth server returned invalid response");
} else {
return oAuthResponse;
}
}
Ron Hudson | Programmer / Analyst
+1.704.752.6513 x1324
www.invue.com
-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Scott Klement
Sent: Wednesday, April 3, 2019 11:45 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: REST request to Vertex Cloud
Ron,
I am not familiar with 'Vertex Cloud' and hadn't heard of it prior to your post.
The data you're sending is a JSON document, so the correct content-type would be 'application/json'. You say that gives you a 415 response, which makes me think I'm missing something in how this is supposed to work.
You say you tried 'x-www-form-urlencoded' but that is not a valid
media type at all. You probably meant
'application/x-www-form-urlencoded',
which is the default media type for HTML form data. (However, your
JSON document is not HTML form data, at least not the way you've coded
it.)
If you can tell me how you're supposed to send it, I could tell you how to do it in HTTPAPI. But, I can't figure it out from the info you've supplied.
-SK
On 4/3/19 10:28 AM, Hudson, Ron wrote:
Has anyone had success using a REST request to the Vertex Cloud for sales tax calculations? If so, any advice? Vertex has been of little help, all their IBM i connections are SOAP.--
I'm attempting to use Scott's HTTPAPI version 1.39, O/S version V7R3M0.
The debug log shows I am making the connection, but I am receiving either 400 Bad Request or 415 Unsupported Media Type , depending on what "Content-Type" is sent.
Testing the connection with Postman is successful.
Entire test program below:
http_debug(*on: '/tmp/debug.txt');
JSONsecurity = '+
{"client_id":"Rest-API-xxxxxxxxxxxxxxxxx",+
"client_secret":"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",+
"username":"xxxxxxxxxxxxxx",+
"password":"xxxxxxxxxx",+
"scope":"calc-rest-api",+
"grant_type":"password"}';
URL = 'https://auth.vertexsmb.com/identity/connect/token';
monitor;
resp= http_string('POST': url : JSONsecurity :
'x-www-form-urlencoded'); on-error;
httpcode = http_error();
endmon;
*inlr = *on;
Results from different "Content-Type" below
// 'x-www-form-urlencoded' 400 Bad Request (this was successful in Postman)
// 'application/json' 415 Unsupported Media Type
// 'accept: text/json' 400 Bad Request
// 'text/json' 415 Unsupported Media Type
// 'text/plain' 415 Unsupported Media Type
// 'accept: text/plain' 400 Bad Request
Thanks
Ron
Scott Klement
http://www.scottklement.com
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