(Go) Isabel Connect Create Access Token given Valid Refresh Token

See more Ibanity Examples

Create (refresh) an access token given a valid refresh token.

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

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

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

    http := chilkat.NewHttp()

    // 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: 94c5586e-e15e-4bae-a1fe-fdbefe1f11d3"  \
    // -d grant_type=refresh_token \
    // -d refresh_token=valid_refresh_token \
    // -d client_id=valid_client_id \
    // -d client_secret=valid_client_secret

    // 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.)
    cert := chilkat.NewCert()
    success := cert.LoadPfxFile("qa_data/pfx/my_ibanity_certificate.pfx","my_pfx_password")
    if success == false {
        fmt.Println(cert.LastErrorText())
        http.DisposeHttp()
        cert.DisposeCert()
        return
    }

    success = http.SetSslClientCert(cert)
    if success == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        cert.DisposeCert()
        return
    }

    req := chilkat.NewHttpRequest()
    req.SetHttpVerb("POST")
    req.SetPath("/isabel-connect/oauth2/token")
    req.SetContentType("application/x-www-form-urlencoded")
    req.AddParam("grant_type","refresh_token")

    // Load the previously obtained refresh token.
    jsonToken := chilkat.NewJsonObject()
    success = jsonToken.LoadFile("qa_data/tokens/isabel_refresh_token.json")
    if success == false {
        fmt.Println("No existing access token.")
        http.DisposeHttp()
        cert.DisposeCert()
        req.DisposeHttpRequest()
        jsonToken.DisposeJsonObject()
        return
    }

    req.AddParam("refresh_token",*jsonToken.StringOf("refresh_token"))

    // Note: For sandbox testing, we literally want to use the strings
    // "valid_client_id", and "valid_client_secret".
    // For the live app, you would replace these with actual values.
    req.AddParam("client_id","valid_client_id")
    req.AddParam("client_secret","valid_client_secret")

    req.AddHeader("Accept","application/vnd.api+json")

    crypt := chilkat.NewCrypt2()
    idempotencyKey := crypt.GenerateUuid()
    fmt.Println("Ibanity-Idempotency-Key: ", *idempotencyKey)
    req.AddHeader("Ibanity-Idempotency-Key",*idempotencyKey)

    resp := http.PostUrlEncoded("https://api.ibanity.com/isabel-connect/oauth2/token",req)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        cert.DisposeCert()
        req.DisposeHttpRequest()
        jsonToken.DisposeJsonObject()
        crypt.DisposeCrypt2()
        return
    }

    sbResponseBody := chilkat.NewStringBuilder()
    resp.GetBodySb(sbResponseBody)
    jResp := chilkat.NewJsonObject()
    jResp.LoadSb(sbResponseBody)
    jResp.SetEmitCompact(false)

    fmt.Println("Response Body:")
    fmt.Println(*jResp.Emit())

    respStatusCode := resp.StatusCode()
    fmt.Println("Response Status Code = ", respStatusCode)
    if respStatusCode >= 400 {
        fmt.Println("Response Header:")
        fmt.Println(resp.Header())
        fmt.Println("Failed.")
        resp.DisposeHttpResponse()
        http.DisposeHttp()
        cert.DisposeCert()
        req.DisposeHttpRequest()
        jsonToken.DisposeJsonObject()
        crypt.DisposeCrypt2()
        sbResponseBody.DisposeStringBuilder()
        jResp.DisposeJsonObject()
        return
    }

    resp.DisposeHttpResponse()

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

    // Notice that we don't get a new refresh token.  The original refresh token is used each time we
    // want to refresh.  However, we get a new access token.  This access token is to be used in Isabel API calls
    // until we need to refresh again.
    // {
    //   "token_type": "Bearer",
    //   "scope": "cloudconnect",
    //   "expires_in": 1799,
    //   "access_token": "access_token_1603365408"
    // }

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

    token_type := jResp.StringOf("token_type")
    scope := jResp.StringOf("scope")
    expires_in := jResp.IntOf("expires_in")
    access_token := jResp.StringOf("access_token")

    // Save this to a file so we can load in other examples to include the access token in the HTTP request.
    success = jResp.WriteFile("qa_data/tokens/isabel_access_token.json")

    http.DisposeHttp()
    cert.DisposeCert()
    req.DisposeHttpRequest()
    jsonToken.DisposeJsonObject()
    crypt.DisposeCrypt2()
    sbResponseBody.DisposeStringBuilder()
    jResp.DisposeJsonObject()