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(PHP ActiveX) Authorization Code Flow with PKCE for Native AppsDemonstrates the authorization code flow with Proof Key for Code Exchange (PKCE) for native apps. In Okta, your app should be defined as shown: For more information, see https://developer.okta.com/docs/guides/implement-auth-code-pkce/use-flow/
<?php // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.OAuth2') $oauth2 = new COM("Chilkat.OAuth2"); // This should be the port in the Login redirect URI for your app. // Your app's Login redirect URI should be "http://localhost:3017/" if the port number is 3017. $oauth2->ListenPort = 3017; $oauth2->AuthorizationEndpoint = 'https://{yourOktaDomain}/oauth2/default/v1/authorize'; $oauth2->TokenEndpoint = 'https://{yourOktaDomain}/oauth2/default/v1/token'; // Replace these with actual values. $oauth2->ClientId = 'OKTA_CLIENT_ID'; $oauth2->ClientSecret = 'OKTA_CLIENT_SECRET'; $oauth2->CodeChallenge = 1; $oauth2->IncludeNonce = 1; // Make sure to include "offline_access" to get a refresh token included in the final JSON response. // Add any additional needed scopes separated by space chars. $oauth2->Scope = 'openid offline_access'; // Begin the OAuth2 three-legged flow. This returns a URL that should be loaded in a browser. $url = $oauth2->startAuth(); if ($oauth2->LastMethodSuccess != 1) { print $oauth2->LastErrorText . "\n"; exit; } print 'URL to load in browser: ' . $url . "\n"; // 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 Microsoft 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 60 seconds. $numMsWaited = 0; while (($numMsWaited < 60000) and ($oauth2->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->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->AuthFlowState == 5) { print 'OAuth2 failed to complete.' . "\n"; print $oauth2->FailureInfo . "\n"; exit; } if ($oauth2->AuthFlowState == 4) { print 'OAuth2 authorization was denied.' . "\n"; print $oauth2->AccessTokenResponse . "\n"; exit; } if ($oauth2->AuthFlowState != 3) { print 'Unexpected AuthFlowState:' . $oauth2->AuthFlowState . "\n"; exit; } print 'OAuth2 authorization granted!' . "\n"; print 'Access Token = ' . $oauth2->AccessToken . "\n"; // Get the full JSON response: // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.JsonObject') $json = new COM("Chilkat.JsonObject"); $json->Load($oauth2->AccessTokenResponse); $json->EmitCompact = 0; print $json->emit() . "\n"; // The JSON response looks like this: // { // "access_token": "eyJraWQi ... Kn4IiEfOw", // "token_type": "Bearer", // "expires_in": 3600, // "scope": "offline_access openid", // "refresh_token": "0jCqotuuUegdjNzB9uuSsfGM2Cu5HnCHUxoJ0yhZ4rs", // "id_token": "eyJraWQiO ... 09WGEq3dTRmQF86PzJg" // } // Save the JSON to a file for future requests. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.FileAccess') $fac = new COM("Chilkat.FileAccess"); $fac->WriteEntireTextFile('qa_data/tokens/okta.json',$json->emit(),'utf-8',0); ?> |
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