(Lianja) 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

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

loHttp = createobject("CkHttp")

// 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.)
loCert = createobject("CkCert")
llSuccess = loCert.LoadPfxFile("qa_data/pfx/my_ibanity_certificate.pfx","my_pfx_password")
if (llSuccess = .F.) then
    ? loCert.LastErrorText
    release loHttp
    release loCert
    return
endif

llSuccess = loHttp.SetSslClientCert(loCert)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loCert
    return
endif

loReq = createobject("CkHttpRequest")
loReq.HttpVerb = "POST"
loReq.Path = "/isabel-connect/oauth2/token"
loReq.ContentType = "application/x-www-form-urlencoded"
loReq.AddParam("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.
loReq.AddParam("code","valid_authorization_code")
loReq.AddParam("client_id","valid_client_id")
loReq.AddParam("client_secret","valid_client_secret")
loReq.AddParam("redirect_uri","https://fake-tpp.com")

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

loCrypt = createobject("CkCrypt2")
lcIdempotencyKey = loCrypt.GenerateUuid()
? "Ibanity-Idempotency-Key: " + lcIdempotencyKey
loReq.AddHeader("Ibanity-Idempotency-Key",lcIdempotencyKey)

loResp = loHttp.PostUrlEncoded("https://api.ibanity.com/isabel-connect/oauth2/token",loReq)
if (loHttp.LastMethodSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loCert
    release loReq
    release loCrypt
    return
endif

loSbResponseBody = createobject("CkStringBuilder")
loResp.GetBodySb(loSbResponseBody)
loJResp = createobject("CkJsonObject")
loJResp.LoadSb(loSbResponseBody)
loJResp.EmitCompact = .F.

? "Response Body:"
? loJResp.Emit()

lnRespStatusCode = loResp.StatusCode
? "Response Status Code = " + str(lnRespStatusCode)
if (lnRespStatusCode >= 400) then
    ? "Response Header:"
    ? loResp.Header
    ? "Failed."
    release loResp
    release loHttp
    release loCert
    release loReq
    release loCrypt
    release loSbResponseBody
    release loJResp
    return
endif

release loResp

// 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

lcToken_type = loJResp.StringOf("token_type")
lcScope = loJResp.StringOf("scope")
lcRefresh_token = loJResp.StringOf("refresh_token")
lnExpires_in = loJResp.IntOf("expires_in")
lcAccess_token = loJResp.StringOf("access_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.
llSuccess = loJResp.WriteFile("qa_data/tokens/isabel_refresh_token.json")

// Also save to a file to be used as the current access token.
llSuccess = loJResp.WriteFile("qa_data/tokens/isabel_access_token.json")


release loHttp
release loCert
release loReq
release loCrypt
release loSbResponseBody
release loJResp