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(AutoIt) Dynamics CRM OAuth2 Access TokenDemonstrates how to get a Microsoft Dynamics CRM OAuth2 access token from a desktop (installed) application or script.
; This example requires the Chilkat API to have been previously unlocked. ; See Global Unlock Sample for sample code. $oOauth2 = ObjCreate("Chilkat.OAuth2") Local $bSuccess ; This should be the port in the localhost redirect URL for your app. ; Important: Make sure the redirect URI in your Azure app registration ; is exactly "http://localhost:3017/". Don't forget the ending "/" char. ; The redirect URL would look like "http://localhost:3017/" if the port number is 3017. $oOauth2.ListenPort = 3017 ; Get the endpoints from the Azure Portal in the "endpoints" section of App Registrations.. ; The DYNAMICS-ENDPOINT-GUID is a Tenant dynamics-endpoint-guid such as 1b54e7ee-d61b-4f12-a621-a6b2805b98c2 $oOauth2.AuthorizationEndpoint = "https://login.microsoftonline.com/DYNAMICS-ENDPOINT-GUID/oauth2/authorize" $oOauth2.TokenEndpoint = "https://login.microsoftonline.com/DYNAMICS-ENDPOINT-GUID/oauth2/token" ; Replace these with actual values. $oOauth2.ClientId = "DYNAMICS-CRM-CLIENT-ID" $oOauth2.ClientSecret = "DYNAMICS-CRM-SECRET-KEY" $oOauth2.Resource = "https://mydynamicsdomain.api.crm.dynamics.com" $oOauth2.RedirectAllowHtml = "<html><body><p>Thank you for granting access.</p></bod></html>" $oOauth2.RedirectDenyHtml = "<html><body><p>Maybe next time...</p></bod></html>" ; Begin the OAuth2 three-legged flow. This returns a URL that should be loaded in a browser. Local $sUrl = $oOauth2.StartAuth() If ($oOauth2.LastMethodSuccess <> True) Then ConsoleWrite($oOauth2.LastErrorText & @CRLF) Exit EndIf ; We can pre-check the URL by sending a GET to catch any up-front errors. ; If we receive JSON with an error in response, then we don't proceed any farther. ; If we receive an HTML response, and the response status = 200, then all should be OK. ; We can proceed by displaying an interactive browser loaded with the url. $oHttp = ObjCreate("Chilkat.Http") $oSbPreCheck = ObjCreate("Chilkat.StringBuilder") $bSuccess = $oHttp.QuickGetSb($sUrl,$oSbPreCheck) If (($oHttp.LastStatus <> 200) Or ($oSbPreCheck.StartsWith("{",True) <> True)) Then ConsoleWrite("JSON Error Response:" & @CRLF) ConsoleWrite($oSbPreCheck.GetAsString() & @CRLF) Exit EndIf ; If the HTTP request itself failed, then examine the error. If ($bSuccess = False) Then ConsoleWrite($oHttp.LastErrorText & @CRLF) Exit EndIf ; OK.. the pre-flight check seems OK, go ahead with getting the interactive user authorization.. ; At this point, your application should load the URL in a browser. ; For example, ; in C#: System.Diagnostics.Process.Start(url); ; in Java: Desktop.getDesktop().browse(new URI(url)); ; in VBScript: Set wsh=WScript.CreateObject("WScript.Shell") ; wsh.Run url ; in Xojo: ShowURL(url) (see http://docs.xojo.com/index.php/ShowURL) ; in Dataflex: Runprogram Background "c:\Program Files\Internet Explorer\iexplore.exe" sUrl ; The GitHub account owner would interactively accept or deny the authorization request. ; Add the code to load the url in a web browser here... ; Add the code to load the url in a web browser here... ; Add the code to load the url in a web browser here... ; Now wait for the authorization. ; We'll wait for a max of 30 seconds. Local $iNumMsWaited = 0 While ($iNumMsWaited < 30000) And ($oOauth2.AuthFlowState < 3) $oOauth2.SleepMs 100 $iNumMsWaited = $iNumMsWaited + 100 Wend ; If there was no response from the browser within 30 seconds, then ; the AuthFlowState will be equal to 1 or 2. ; 1: Waiting for Redirect. The OAuth2 background thread is waiting to receive the redirect HTTP request from the browser. ; 2: Waiting for Final Response. The OAuth2 background thread is waiting for the final access token response. ; In that case, cancel the background task started in the call to StartAuth. If ($oOauth2.AuthFlowState < 3) Then $oOauth2.Cancel() ConsoleWrite("No response from the browser!" & @CRLF) Exit EndIf ; Check the AuthFlowState to see if authorization was granted, denied, or if some error occurred ; The possible AuthFlowState values are: ; 3: Completed with Success. The OAuth2 flow has completed, the background thread exited, and the successful JSON response is available in AccessTokenResponse property. ; 4: Completed with Access Denied. The OAuth2 flow has completed, the background thread exited, and the error JSON is available in AccessTokenResponse property. ; 5: Failed Prior to Completion. The OAuth2 flow failed to complete, the background thread exited, and the error information is available in the FailureInfo property. If ($oOauth2.AuthFlowState = 5) Then ConsoleWrite("OAuth2 failed to complete." & @CRLF) ConsoleWrite($oOauth2.FailureInfo & @CRLF) Exit EndIf If ($oOauth2.AuthFlowState = 4) Then ConsoleWrite("OAuth2 authorization was denied." & @CRLF) ConsoleWrite($oOauth2.AccessTokenResponse & @CRLF) Exit EndIf If ($oOauth2.AuthFlowState <> 3) Then ConsoleWrite("Unexpected AuthFlowState:" & $oOauth2.AuthFlowState & @CRLF) Exit EndIf ConsoleWrite("OAuth2 authorization granted!" & @CRLF) ConsoleWrite("Access Token = " & $oOauth2.AccessToken & @CRLF) ; Get the full JSON response: $oJson = ObjCreate("Chilkat.JsonObject") $oJson.Load($oOauth2.AccessTokenResponse) $oJson.EmitCompact = False ; The JSON response looks like this: ; { ; "token_type": "Bearer", ; "scope": "user_impersonation", ; "expires_in": "3599", ; "ext_expires_in": "0", ; "expires_on": "1524783438", ; "not_before": "1524779538", ; "resource": "https://mydomain.api.crm.dynamics.com", ; "access_token": "...", ; "refresh_token": "...", ; "id_token": "..." ; } ; If an "expires_on" member does not exist, then add the JSON member by ; getting the current system date/time and adding the "expires_in" seconds. ; This way we'll know when the token expires. If ($oJson.HasMember("expires_on") <> True) Then $oDtExpire = ObjCreate("Chilkat.CkDateTime") $oDtExpire.SetFromCurrentSystemTime() $oDtExpire.AddSeconds($oJson.IntOf("expires_in")) $oJson.AppendString("expires_on",$oDtExpire.GetAsUnixTimeStr(False)) EndIf ConsoleWrite($oJson.Emit() & @CRLF) ; Save the JSON to a file for future requests. $oFac = ObjCreate("Chilkat.FileAccess") $oFac.WriteEntireTextFile("qa_data/tokens/dynamicsCrm.json",$oJson.Emit(),"utf-8",False) |
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