(PureBasic) Dynamics CRM Oauth2 Client Credentials

Get an OAuth2 access token for Dynamics CRM using client credentials.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkHttpResponse.pb"
IncludeFile "CkHttp.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkHttpRequest.pb"

Procedure ChilkatExample()

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

    http.i = CkHttp::ckCreate()
    If http.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Pass the client ID/secret using Basic HTTP authentication.
    CkHttp::setCkLogin(http, "CLIENT_ID")
    CkHttp::setCkPassword(http, "CLIENT_SECRET")
    CkHttp::setCkBasicAuth(http, 1)

    req.i = CkHttpRequest::ckCreate()
    If req.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkHttpRequest::ckAddParam(req,"client_secret","CLIENT_SECRET")
    CkHttpRequest::ckAddParam(req,"client_id","CLIENT_ID")
    CkHttpRequest::ckAddParam(req,"scope","https://yourdynamicsdomain.crm3.dynamics.com/.default")
    CkHttpRequest::ckAddParam(req,"grant_type","client_credentials")

    ; Use your own tenant ID, for example 4d8fdd66-66d1-43b0-ae5c-e31b4b7de5cd
    url.s = "https://login.microsoftonline.com/TENANT_ID/oauth2/v2.0/token"
    resp.i = CkHttp::ckPostUrlEncoded(http,url,req)
    If CkHttp::ckLastMethodSuccess(http) <> 1
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkHttpRequest::ckDispose(req)
        ProcedureReturn
    EndIf

    statusCode.i = CkHttpResponse::ckStatusCode(resp)
    Debug "Response status code = " + Str(statusCode)

    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckLoad(json,CkHttpResponse::ckBodyStr(resp))
    CkHttpResponse::ckDispose(resp)

    CkJsonObject::setCkEmitCompact(json, 0)
    Debug CkJsonObject::ckEmit(json)

    If statusCode = 200
        CkJsonObject::ckWriteFile(json,"qa_data/tokens/dynamicsCrmClientCredentialsToken.json")
        Debug "Success."
    Else
        Debug "Failed."
    EndIf



    CkHttp::ckDispose(http)
    CkHttpRequest::ckDispose(req)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure