Generate Bearer Token in D365 f&O

-

 internal final class TECGenerateToken

{

    /// <summary>

    /// Class entry point. The system will call this method when a designated menu 

    /// is selected or when execution starts and this class is set as the startup class.

    /// </summary>

    /// <param name = "_args">The specified arguments.</param>

    public static void main(Args _args)

    {

          #define.PostFormat('client_id=\%1&grant_type=\%2&resource=\%3&client_secret=\%4')

          str                     rawResponse;

          Map                     responseData;

          RetailWebResponse       responseLoc;

          System.Text.Encoding    utf8;

          System.Byte[]           byteArray;

          TECAxCrmParameter       parameter = TECAxCrmParameter::find();

          str                     token;

          str                     tokenUri  =  parameter.TokenGenerationURL;

          str                     secretKey = parameter.passwordEdit(false, '');

          str                     byteStr =  parameter.ClientId + ':' + secretKey;

          str                     resource = 'https://syndromecrmuat.crm8.dynamics.com';

          str                     postdata;

          


          utf8 = System.Text.Encoding::get_UTF8();

          byteArray = utf8.GetBytes(byteStr);

          byteStr = System.Convert::ToBase64String(byteArray);

          RetailCommonWebAPI  webApi   = RetailCommonWebAPI::construct();


          str   authHeader  = strFmt('Authorization: Bearer %1',byteStr);

          //important state to generate the toekn start 

          SysUrlEncoder sysUrlEncoder = new SysUrlEncoder();

          postdata = strFmt(#postFormat,

                              sysUrlEncoder.encode(parameter.ClientId),

                              sysUrlEncoder.encode('client_credentials'),

                              sysUrlEncoder.encode(resource),

                              sysUrlEncoder.encode(secretKey));

          //important state to generate the toekn start

                             

          if(tokenUri && authHeader)

          {

               responseLoc = webApi.makePostRequest(tokenUri,postdata,authHeader);

          }


          if(responseLoc.parmHttpStatus() != 200)

          {

               rawResponse = responseLoc.parmData();

               throw error("Failed to retrieve the token");

          }


          rawResponse = responseLoc.parmData();

          responseData = RetailCommonWebAPI::getMapFromJsonString(rawResponse);


          token = responseData.lookup("access_token");


          Info(token);


    }


}

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