PureBasic

Dynamics CRM Oauth2 Client Credentials

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

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

Procedure ChilkatExample()

    success.i = 0

    ; 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"
    CkHttpRequest::setCkHttpVerb(req, "POST")
    CkHttpRequest::setCkContentType(req, "application/x-www-form-urlencoded")

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

    success = CkHttp::ckHttpReq(http,url,req,resp)
    If success = 0
        Debug CkHttp::ckLastErrorText(http)
        CkHttp::ckDispose(http)
        CkHttpRequest::ckDispose(req)
        CkHttpResponse::ckDispose(resp)
        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))

    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)
    CkHttpResponse::ckDispose(resp)
    CkJsonObject::ckDispose(json)


    ProcedureReturn
EndProcedure