(DataFlex) Quickbooks Revoke OAuth2 Token

Demonstrates how to revoke a QuickBooks OAuth2 access token.

Note: This example requires Chilkat v11.0.0 or greater.

For more information, see https://developer.intuit.com/app/developer/qbo/docs/develop/authentication-and-authorization/oauth-2.0#revoke-token-disconnect

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Variant vJson
Token    Handle hoJsonToken
    Handle hoHttp
    Variant vJson
    Handle hoJson
    String sUrl
    Variant vResp
    Handle hoResp
    String sTemp1
    Integer iTemp1

    Move False To iSuccess

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // This example assumes we previously obtained an OAuth2 access token for QuickBooks.

    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonToken
    If (Not(IsComObjectCreated(hoJsonToken))) Begin
        Send CreateComObject of hoJsonToken
    End
    Get ComLoadFile Of hoJsonToken "qa_data/tokens/qb-access-token.json" To iSuccess
    If (iSuccess <> True) Begin
        Showln "Failed to load qb-access-token.json"
        Procedure_Return
    End

    // The access token JSON looks something like this:

    // {
    //   "expires_in": 3600,
    //   "x_refresh_token_expires_in": 8726400,
    //   "refresh_token": "L011546037639r ... 3vR2DrbOmg0Sdagw",
    //   "access_token": "eyJlbmMiOiJBMTI4Q0 ... oETJEMbeggg",
    //   "token_type": "bearer"
    // }

    // This code sends the following request:

    // POST https://developer.api.intuit.com/v2/oauth2/tokens/revoke HTTP/1.1
    // Accept: application/json
    // Authorization: Basic UTM0dVB...wM1d2
    // Content-Type: application/json
    // 
    // {
    //     "token": "{bearerToken or refreshToken}"
    // }

    // Use this online tool to generate HTTP code from a sample request: 
    // Generate Code from a Sample HTTP Request

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End
    Send ComSetRequestHeader To hoHttp "Accept" "application/json"
    Set ComBasicAuth Of hoHttp To True
    Set ComLogin Of hoHttp To "QUICKBOOKS-CLIENT-ID"
    Set ComPassword Of hoHttp To "QUICKBOOKS-CLIENT-SECRET"

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComStringOf Of hoJsonToken "access_token" To sTemp1
    Get ComUpdateString Of hoJson "token" sTemp1 To iSuccess

    Move "https://developer.api.intuit.com/v2/oauth2/tokens/revoke" To sUrl
    Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
    If (Not(IsComObjectCreated(hoResp))) Begin
        Send CreateComObject of hoResp
    End
    Get pvComObject of hoJson to vJson
    Get pvComObject of hoResp to vResp
    Get ComHttpJson Of hoHttp "POST" sUrl vJson "application/json" vResp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComStatusCode Of hoResp To iTemp1
    Showln "Response status code = " iTemp1
    Showln "Response body:"
    Get ComBodyStr Of hoResp To sTemp1
    Showln sTemp1


End_Procedure