Xbase++

Isabel Connect Create Access Token given Valid Refresh Token

See more Ibanity Examples

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

LOCAL nSuccess
LOCAL oHttp
LOCAL oCert
LOCAL oReq
LOCAL oJsonToken
LOCAL oCrypt
LOCAL cIdempotencyKey
LOCAL oResp
LOCAL oSbResponseBody
LOCAL oJResp
LOCAL nRespStatusCode
LOCAL cToken_type
LOCAL cScope
LOCAL nExpires_in
LOCAL cAccess_token

nSuccess := 0

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

oHttp := CreateObject("Chilkat.Http")

//  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.)
oCert := CreateObject("Chilkat.Cert")
nSuccess := oCert:LoadPfxFile("qa_data/pfx/my_ibanity_certificate.pfx", "my_pfx_password")
IF (nSuccess == 0)
    ? oCert:LastErrorText
    oHttp:destroy()
    oCert:destroy()
    RETURN
ENDIF

nSuccess := oHttp:SetSslClientCert(oCert)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oHttp:destroy()
    oCert:destroy()
    RETURN
ENDIF

oReq := CreateObject("Chilkat.HttpRequest")
oReq:HttpVerb := "POST"
oReq:Path := "/isabel-connect/oauth2/token"
oReq:ContentType := "application/x-www-form-urlencoded"
oReq:AddParam("grant_type", "refresh_token")

//  Load the previously obtained refresh token.
oJsonToken := CreateObject("Chilkat.JsonObject")
nSuccess := oJsonToken:LoadFile("qa_data/tokens/isabel_refresh_token.json")
IF (nSuccess == 0)
    ? "No existing access token."
    oHttp:destroy()
    oCert:destroy()
    oReq:destroy()
    oJsonToken:destroy()
    RETURN
ENDIF

oReq:AddParam("refresh_token", oJsonToken: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.
oReq:AddParam("client_id", "valid_client_id")
oReq:AddParam("client_secret", "valid_client_secret")

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

oCrypt := CreateObject("Chilkat.Crypt2")
cIdempotencyKey := oCrypt:GenerateUuid()
? "Ibanity-Idempotency-Key: " + cIdempotencyKey
oReq:AddHeader("Ibanity-Idempotency-Key", cIdempotencyKey)

oResp := CreateObject("Chilkat.HttpResponse")
nSuccess := oHttp:HttpReq("https://api.ibanity.com/isabel-connect/oauth2/token", oReq, oResp)
IF (nSuccess == 0)
    ? oHttp:LastErrorText
    oHttp:destroy()
    oCert:destroy()
    oReq:destroy()
    oJsonToken:destroy()
    oCrypt:destroy()
    oResp:destroy()
    RETURN
ENDIF

oSbResponseBody := CreateObject("Chilkat.StringBuilder")
oResp:GetBodySb(oSbResponseBody)
oJResp := CreateObject("Chilkat.JsonObject")
oJResp:LoadSb(oSbResponseBody)
oJResp:EmitCompact := 0

? "Response Body:"
? oJResp:Emit()

nRespStatusCode := oResp:StatusCode
? "Response Status Code = " + Str(nRespStatusCode)
IF (nRespStatusCode >= 400)
    ? "Response Header:"
    ? oResp:Header
    ? "Failed."
    oHttp:destroy()
    oCert:destroy()
    oReq:destroy()
    oJsonToken:destroy()
    oCrypt:destroy()
    oResp:destroy()
    oSbResponseBody:destroy()
    oJResp:destroy()
    RETURN
ENDIF

//  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

cToken_type := oJResp:StringOf("token_type")
cScope := oJResp:StringOf("scope")
nExpires_in := oJResp:IntOf("expires_in")
cAccess_token := oJResp:StringOf("access_token")

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

oHttp:destroy()
oCert:destroy()
oReq:destroy()
oJsonToken:destroy()
oCrypt:destroy()
oResp:destroy()
oSbResponseBody:destroy()
oJResp:destroy()