Re: Postman to HTTPAPI -- RPG400-L

Hi Jerry,

Yes, that's what basic auth is. It's a userid/password that are combined and base64 encoded. That's what http_setAuth() does, it accepts the userid/password and combines and encodes them for you so you don't have to do it manually.

The way you're doing the Authorization will also work, it's just unusual.

The reason you have to specify the content-type in the parameters is because it is a required header. HTTPAPI *must* send it, so it does. Then it adds your "additional headers" (that's what the ADDL stands for, "additional") and ends up with two content-type headers (which doesn't make sense.)

To say it another way: Passing the content-type in a parameter works the same way as it does in your cURL example... it replaces the default content-type with the value you specified. When you code it in "additional headers" it adds in in addition to the ones provided by HTTPAPI, so that results in a duplicate header and creates a problem.

This doesn't happen with 'Authorization' because its not required. If you don't call http_setAuth() or any other method of setting the authentication string, then HTTPAPI doesn't add the 'Authorization'. That's why adding this as an additional header can work.

Good luck!

On 9/17/2020 11:01 AM, (WalzCraft) Jerry Forss wrote:

Scott,

This is for connecting to XPO for rate shopping and tracking.

They require a token that expires every 12 hours.
Getting the token is what I am starting with.

As far as the Auth, they want a key they provided that is around 70 char long.
Using the setAuth wants a user id and pw.

It did work with adding the header with the apikey.
Just had to move the content type as suggested.

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Scott Klement
Sent: Thursday, September 17, 2020 10:40 AM
To: rpg400-l@xxxxxxxxxxxxxxxxxx
Subject: Re: Postman to HTTPAPI

Hi Jerry,

Are you certain that 'Authorization: Basic' is correct, here? Normally, people do not code Authorization: Basic themselves, but instead use the
http_setAuth() procedure with HTTP_AUTH_BASIC. This will automatically do basic authentication. If you are trying to do something like a bearer token, then the type of authorization isn't normally basic.

With regards to the media type, you shouldn't manually set the content-type as you are doing. Instead, pass it in the appropriate parameter to http_req().

rc = http_req('POST'
: TokenURL
: ResponseFile
: *omit
: *omit
: FormData
: 'application/x-www-form-urlencoded');

-SK

On 9/17/2020 10:17 AM, (WalzCraft) Jerry Forss wrote:

Yep, have that in the header.

Here is all the code:

Dcl-S FormData Varchar(100);

http_debug(*on);

ResponseFile = %Trim(Path) + 'TokenResponse.json';

Rc = http_xproc(HTTP_POINT_ADDL_HEADER : %paddr(SetHTTPHeader));

FormData = 'grant_type=password'
+ '&username=' + http_urlEncode(%Trim(XPOUserName))
+ '&password=' + http_urlEncode(%Trim(XPOPassword));

rc = http_req('POST'
: TokenURL
: ResponseFile
: *omit
: *omit
: FormData);

//
======================================================================
============== // Prototype SetHTTLHeader - Set HTTP Headers //
======================================================================
==============

Dcl-Proc SetHTTPHeader;

// ----------------------------------------------------------------------------------
// Input Parameters
//
----------------------------------------------------------------------
------------

Dcl-pi *N;
Headers VarChar(1024);
End-pi;

// ----------------------------------------------------------------------------------
// Local Parameters
//
----------------------------------------------------------------------
------------

// ----------------------------------------------------------------------------------
// Data Structures
//
----------------------------------------------------------------------
------------

// ----------------------------------------------------------------------------------
// Mainline
//
----------------------------------------------------------------------
------------

Headers = 'Authorization: Basic ' + %Trim(APIKey) + CRLF +
'Content-Type: application/x-www-form-urlencoded' + CRLF;

End-Proc;

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Charles Wilt
Sent: Thursday, September 17, 2020 10:10 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Postman to HTTPAPI

You need to use `application/x-www-form-urlencoded'

Same as curl was...

Charles

On Thu, Sep 17, 2020 at 9:03 AM (WalzCraft) Jerry Forss < JForss@xxxxxxxxxxxxx> wrote:

Got this to compile so good there. Thank You.

Still getting the 415 Unsupported Media Type error.

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Kevin Bucknum
Sent: Thursday, September 17, 2020 8:29 AM
To: rpg400-l@xxxxxxxxxxxxxxxxxx
Subject: Re: Postman to HTTPAPI

I'm not sure where json comes into this? That curl request doesn't
appear to use any json. I think what you want is something like example 4.

// set headers and auth like you already did. ( I don't see where you
set the auth however )

formdata = 'grant_type=password'
+ '&username=' + http_urlEncode(%Trim(XPOUserName))
+ '&password=' + http_urlEncode(%Trim(XPOPassword));

rc = http_req('POST'
: TokenURL
: ResponseFile
: *omit
: *omit
: formdata);

On Thu, 2020-09-17 at 13:05 +0000, (WalzCraft) Jerry Forss wrote:

I am wondering if it is because the postman has =.

I changed it to:

yajl_genOpen(*On);

yajl_beginObj();

yajl_addChar('grant_type=password');

yajl_addChar('username=' + %Trim(XPOUserName));

yajl_addChar('password=' + %Trim(XPOPassword));

yajl_endObj();

The resulting json looks like

{

"grant_type=password": "username=ourUser",

"password=Ourpassword"

}

Why the :?

-----Original Message-----

From: RPG400-L <

<mailto:rpg400-l-bounces@xxxxxxxxxxxxxxxxxx>

rpg400-l-bounces@xxxxxxxxxxxxxxxxxx

On Behalf Of (WalzCraft) Jerry Forss

Sent: Thursday, September 17, 2020 7:39 AM

To:

<mailto:rpg400-l@xxxxxxxxxxxxxxxxxx>

rpg400-l@xxxxxxxxxxxxxxxxxx

Subject: Postman to HTTPAPI

Hi All,

I am trying to figure out how to map what postman is doing to httpapi.

Postman code

curl --location --request POST '

<https://api.ltl.xpo.com/token'>

https://api.ltl.xpo.com/token'

\ --header 'Authorization: Basic &ourapikey&' \ --header 'Content-Type:
application/x-www-form-urlencoded' \ --data-urlencode 'grant_type=password'
\ --data-urlencode 'username=&ourusername&' \ --data-urlencode
'password=&outpassword&'

Rpg code

RequestFile = %Trim(Path) + 'TokenRequest.json';

ResponseFile = %Trim(Path) + 'TokenResponse.json';

Rc = http_xproc(HTTP_POINT_ADDL_HEADER : %paddr(SetHTTPHeader));

// Build json Request

yajl_genOpen(*On);

yajl_beginObj();

yajl_addChar('grant_type' : 'password');

yajl_addChar('username' : %Trim(UserName));

yajl_addChar('password' : %Trim(Password));

yajl_endObj();

yajl_saveBuf(RequestFile : EMsg);

yajl_genClose();

http_setCCSIDs( 1208: 0 );

rc = http_post_stmf( TokenURL

: RequestFile

: ResponseFile

: HTTP_TIMEOUT

: HTTP_USERAGENT

: 'application/x-www-form-urlencoded');

From SetHTTPHeader

Headers = 'Authorization: Basic ' + %Trim(APIKey) + CRLF +

'Content-Type: ' + 'application/x-www-form-urlencoded' +
CRLF;

This gives error 400 Bad Request

Changing 'application/x-www-form-urlencoded'); to
'application/json'); or commenting out that line

This gives error 415 Unsupported Media Type What am I doing wrong?

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