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Resolved HTTPS for PostURL function of iNET Object in PB12.5.2

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  1. Praveen Rajarao
    Praveen Rajarao
  2. PowerBuilder
  3. Thursday, 16 May 2019 18:26 PM UTC

Hello

I'm trying to use the inet/internetresult objects and the PostURL function. Everything works fine if I use GetURL, or if I try to use PostURL.

However if I use PostURL with a "HTTPS" it fails with a -5 (Unsupported secure (HTTPS) connection attempted). This is because I cannot specify the security protocol of TLS1.0 in my PostURL function. 

Question: Is there a workaround for this in PB12.5?

I saw an article by Bruce regarding new option for OAuth to set the AccessToken. Is this the only option to migrate to higher version of PB? 

https://www.brucearmstrong.org/2018/08/powerbuilder-2017-r3-new-feature-oauth.html

I have tried to use MSXML object. It works fine for a single call, but it fails when we do a bulk operation. (batch)

Any help on this? 

 

  1. Internet
  2. POST
  3. REST
  4. URL
KB2533623 ( installation of pb2019 )
How to make 64-bit application use OLE DB successf...
Accepted Answer
Chris Pollach @Appeon
Chris Pollach @Appeon Accepted Answer Pending Moderation
  1. Thursday, 16 May 2019 18:36 PM UTC
  2. PowerBuilder
  3. # Permalink

Hi Praveen;

  The iNet object does not support HTTPS nor the newer TLS 1.1 or higher protocols. You would need to switch over to the new HTTPClient object class in Appeon PB2017R3 or higher to use those features within PB.

  You might want to have a look at Roland's replacement code and see that works under PB 12.5.x ... http://www.topwizprogramming.com/freecode_winhttp.html

  You could also try this alternative as well in PB 12.x ... https://stackoverflow.com/questions/44957578/how-to-make-powerbuilder-12-5-web-service-tls-1-2-compliant

HTH

Regards ... Chris

 

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Praveen Rajarao
Praveen Rajarao Accepted Answer Pending Moderation
  1. Thursday, 16 May 2019 20:11 PM UTC
  2. PowerBuilder
  3. # 1

Hello Chris,

Thanks for such a prompt response. 

I could get it to work using Roland's approach. The second option looks more like hack to get around to .NET4.5. 

Thanks again

Praveen

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Praveen Rajarao
Praveen Rajarao Accepted Answer Pending Moderation
  1. Tuesday, 11 June 2019 15:17 PM UTC
  2. PowerBuilder
  3. # 2

Hello Chris / Roland,

I am now using the WinHTTP to call HTTPS and it works fine in the dev environment. 

However, the PROD environment is a little different since we have VDI for all our users. When we are testing on VDI, it gives the below error. Any idea what might be causing this? Is there any DLL that needs to be registered?

PostURL Error: 12175 WinHTTPSendRequest:

A Security error occurred. 

Thanks

Praveen

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