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(PHP Extension) Dynamics CRM OAuth2 Access TokenDemonstrates how to get a Microsoft Dynamics CRM OAuth2 access token from a desktop (installed) application or script.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $oauth2 = new CkOAuth2(); // 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. $oauth2->put_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 $oauth2->put_AuthorizationEndpoint('https://login.microsoftonline.com/DYNAMICS-ENDPOINT-GUID/oauth2/authorize'); $oauth2->put_TokenEndpoint('https://login.microsoftonline.com/DYNAMICS-ENDPOINT-GUID/oauth2/token'); // Replace these with actual values. $oauth2->put_ClientId('DYNAMICS-CRM-CLIENT-ID'); $oauth2->put_ClientSecret('DYNAMICS-CRM-SECRET-KEY'); $oauth2->put_Resource('https://mydynamicsdomain.api.crm.dynamics.com'); $oauth2->put_RedirectAllowHtml('<html><body><p>Thank you for granting access.</p></bod></html>'); $oauth2->put_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. $url = $oauth2->startAuth(); if ($oauth2->get_LastMethodSuccess() != true) { print $oauth2->lastErrorText() . "\n"; exit; } // 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. $http = new CkHttp(); $sbPreCheck = new CkStringBuilder(); $success = $http->QuickGetSb($url,$sbPreCheck); if (($http->get_LastStatus() != 200) or ($sbPreCheck->StartsWith('{',true) != true)) { print 'JSON Error Response:' . "\n"; print $sbPreCheck->getAsString() . "\n"; exit; } // If the HTTP request itself failed, then examine the error. if ($success == false) { print $http->lastErrorText() . "\n"; exit; } // 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. $numMsWaited = 0; while (($numMsWaited < 30000) and ($oauth2->get_AuthFlowState() < 3)) { $oauth2->SleepMs(100); $numMsWaited = $numMsWaited + 100; } // If there was no response from the browser within 30 seconds, then // the AuthFlowState will be equal to 1 or 2. // 1: Waiting for Redirect. The OAuth2 background thread is waiting to receive the redirect HTTP request from the browser. // 2: Waiting for Final Response. The OAuth2 background thread is waiting for the final access token response. // In that case, cancel the background task started in the call to StartAuth. if ($oauth2->get_AuthFlowState() < 3) { $oauth2->Cancel(); print 'No response from the browser!' . "\n"; exit; } // Check the AuthFlowState to see if authorization was granted, denied, or if some error occurred // The possible AuthFlowState values are: // 3: Completed with Success. The OAuth2 flow has completed, the background thread exited, and the successful JSON response is available in AccessTokenResponse property. // 4: Completed with Access Denied. The OAuth2 flow has completed, the background thread exited, and the error JSON is available in AccessTokenResponse property. // 5: Failed Prior to Completion. The OAuth2 flow failed to complete, the background thread exited, and the error information is available in the FailureInfo property. if ($oauth2->get_AuthFlowState() == 5) { print 'OAuth2 failed to complete.' . "\n"; print $oauth2->failureInfo() . "\n"; exit; } if ($oauth2->get_AuthFlowState() == 4) { print 'OAuth2 authorization was denied.' . "\n"; print $oauth2->accessTokenResponse() . "\n"; exit; } if ($oauth2->get_AuthFlowState() != 3) { print 'Unexpected AuthFlowState:' . $oauth2->get_AuthFlowState() . "\n"; exit; } print 'OAuth2 authorization granted!' . "\n"; print 'Access Token = ' . $oauth2->accessToken() . "\n"; // Get the full JSON response: $json = new CkJsonObject(); $json->Load($oauth2->accessTokenResponse()); $json->put_EmitCompact(false); // The JSON response looks like this: // { // "token_type": "Bearer", // "scope": "user_impersonation", // "expires_in": "3599", // "ext_expires_in": "0", // "expires_on": "1524783438", // "not_before": "1524779538", // "resource": "https://mydomain.api.crm.dynamics.com", // "access_token": "...", // "refresh_token": "...", // "id_token": "..." // } // If an "expires_on" member does not exist, then add the JSON member by // getting the current system date/time and adding the "expires_in" seconds. // This way we'll know when the token expires. if ($json->HasMember('expires_on') != true) { $dtExpire = new CkDateTime(); $dtExpire->SetFromCurrentSystemTime(); $dtExpire->AddSeconds($json->IntOf('expires_in')); $json->AppendString('expires_on',$dtExpire->getAsUnixTimeStr(false)); } print $json->emit() . "\n"; // Save the JSON to a file for future requests. $fac = new CkFileAccess(); $fac->WriteEntireTextFile('qa_data/tokens/dynamicsCrm.json',$json->emit(),'utf-8',false); ?> |
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