(DataFlex) Isabel Connect Create First Access Token and Refresh Token

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Creates your first access token and refresh token. Once created, the refresh token can be used to get a new access token after it expires, or before it expires.

For more information, see https://documentation.ibanity.com/isabel-connect/api#create-refresh-token

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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoHttp
    Variant vCert
    Handle hoCert
    Boolean iSuccess
    Variant vReq
    Handle hoReq
    Handle hoCrypt
    String sIdempotencyKey
    Variant vResp
    Handle hoResp
    Variant vSbResponseBody
    Handle hoSbResponseBody
    Handle hoJResp
    Integer iRespStatusCode
    String sToken_type
    String sScope
    String sRefresh_token
    Integer iExpires_in
    String sAccess_token
    String sTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // Implements the following CURL command:

    // curl -X POST https://api.ibanity.com/isabel-connect/oauth2/token \
    // --cert certificate.pem:qwertyuiop1 \
    // --key private_key.pem  \
    // -H "Content-Type: application/x-www-form-urlencoded" \
    // -H "Accept: application/vnd.api+json" \
    // -H "Ibanity-Idempotency-Key: af621a8f-f74b-41a2-b011-336997633df4"  \
    // -d grant_type=authorization_code \
    // -d code=valid_authorization_code \
    // -d client_id=valid_client_id \
    // -d client_secret=valid_client_secret \
    // -d redirect_uri=https://fake-tpp.com 

    // Ibanity provides the certificate + private key in PFX format.  This example will use the .pfx instead of the pair of PEM files.
    // (It is also possible to implement using Chilkat with the PEM files, but PFX is easier.)
    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End
    Get ComLoadPfxFile Of hoCert "qa_data/pfx/my_ibanity_certificate.pfx" "my_pfx_password" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get pvComObject of hoCert to vCert
    Get ComSetSslClientCert Of hoHttp vCert To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatHttpRequest)) To hoReq
    If (Not(IsComObjectCreated(hoReq))) Begin
        Send CreateComObject of hoReq
    End
    Set ComHttpVerb Of hoReq To "POST"
    Set ComPath Of hoReq To "/isabel-connect/oauth2/token"
    Set ComContentType Of hoReq To "application/x-www-form-urlencoded"
    Send ComAddParam To hoReq "grant_type" "authorization_code"

    // Note: For sandbox testing, we literally want to use the strings
    // "valid_authorization_code", "valid_client_id", and "valid_client_secret".
    // For the live app, you would replace these with actual values.
    Send ComAddParam To hoReq "code" "valid_authorization_code"
    Send ComAddParam To hoReq "client_id" "valid_client_id"
    Send ComAddParam To hoReq "client_secret" "valid_client_secret"
    Send ComAddParam To hoReq "redirect_uri" "https://fake-tpp.com"

    Send ComAddHeader To hoReq "Accept" "application/vnd.api+json"

    Get Create (RefClass(cComChilkatCrypt2)) To hoCrypt
    If (Not(IsComObjectCreated(hoCrypt))) Begin
        Send CreateComObject of hoCrypt
    End
    Get ComGenerateUuid Of hoCrypt To sIdempotencyKey
    Showln "Ibanity-Idempotency-Key: " sIdempotencyKey
    Send ComAddHeader To hoReq "Ibanity-Idempotency-Key" sIdempotencyKey

    Get pvComObject of hoReq to vReq
    Get ComPostUrlEncoded Of hoHttp "https://api.ibanity.com/isabel-connect/oauth2/token" vReq To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
    If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
        Send CreateComObject of hoSbResponseBody
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComGetBodySb Of hoResp vSbResponseBody To iSuccess
    Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
    If (Not(IsComObjectCreated(hoJResp))) Begin
        Send CreateComObject of hoJResp
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
    Set ComEmitCompact Of hoJResp To False

    Showln "Response Body:"
    Get ComEmit Of hoJResp To sTemp1
    Showln sTemp1

    Get ComStatusCode Of hoResp To iRespStatusCode
    Showln "Response Status Code = " iRespStatusCode
    If (iRespStatusCode >= 400) Begin
        Showln "Response Header:"
        Get ComHeader Of hoResp To sTemp1
        Showln sTemp1
        Showln "Failed."
        Send Destroy of hoResp
        Procedure_Return
    End

    Send Destroy of hoResp

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "token_type": "Bearer",
    //   "scope": "cloudconnect",
    //   "refresh_token": "valid_refresh_token",
    //   "expires_in": 1799,
    //   "access_token": "access_token_1617371230"
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    Get ComStringOf Of hoJResp "token_type" To sToken_type
    Get ComStringOf Of hoJResp "scope" To sScope
    Get ComStringOf Of hoJResp "refresh_token" To sRefresh_token
    Get ComIntOf Of hoJResp "expires_in" To iExpires_in
    Get ComStringOf Of hoJResp "access_token" To sAccess_token

    // Save to a file for future use in refreshing the access token.
    // The refresh token is the same each time we refresh to get a new access token.
    Get ComWriteFile Of hoJResp "qa_data/tokens/isabel_refresh_token.json" To iSuccess

    // Also save to a file to be used as the current access token.
    Get ComWriteFile Of hoJResp "qa_data/tokens/isabel_access_token.json" To iSuccess


End_Procedure