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(Lianja) Vonage UC Extend OAuth2Get an OAuth2 access token for a desktop application for Vonage.
// This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. loOauth2 = createobject("CkOAuth2") // This should be the port in the localhost callback URL for your app. // The callback URL would look like "http://localhost:3800/" if the port number is 3017. loOauth2.ListenPort = 3800 loOauth2.AuthorizationEndpoint = "https://api.vonage.com/authorize" loOauth2.TokenEndpoint = "https://api.vonage.com/token" // Replace these with actual values. loOauth2.ClientId = "CLIENT_ID" loOauth2.ClientSecret = "CLIENT_SECRET" loOauth2.CodeChallenge = .F. loOauth2.Scope = "openid" // Begin the OAuth2 three-legged flow. This returns a URL that should be loaded in a browser. lcUrl = loOauth2.StartAuth() if (loOauth2.LastMethodSuccess <> .T.) then ? loOauth2.LastErrorText release loOauth2 return endif // 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. lnNumMsWaited = 0 do while (lnNumMsWaited < 60000) and (loOauth2.AuthFlowState < 3) loOauth2.SleepMs(100) lnNumMsWaited = lnNumMsWaited + 100 enddo // 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 (loOauth2.AuthFlowState < 3) then loOauth2.Cancel() ? "No response from the browser!" release loOauth2 return 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 (loOauth2.AuthFlowState = 5) then ? "OAuth2 failed to complete." ? loOauth2.FailureInfo release loOauth2 return endif if (loOauth2.AuthFlowState = 4) then ? "OAuth2 authorization was denied." ? loOauth2.AccessTokenResponse release loOauth2 return endif if (loOauth2.AuthFlowState <> 3) then ? "Unexpected AuthFlowState:" + str(loOauth2.AuthFlowState) release loOauth2 return endif ? "OAuth2 authorization granted!" ? "Access Token = " + loOauth2.AccessToken // Get the full JSON response: loJson = createobject("CkJsonObject") loJson.Load(loOauth2.AccessTokenResponse) loJson.EmitCompact = .F. ? loJson.Emit() // The JSON response looks like this: // { // "access_token": "XXXXXXXX-XXX-XXXX-XXXX-XXXXXXXXXXXX", // "refresh_token": "XXXXXXXX-XXX-XXXX-XXXX-XXXXXXXXXXXX", // "scope": "openid", // "id_token": "eyJ4NXQiOiJNem ... hA9tbDCiQRhdI4T0", // "token_type": "Bearer", // "expires_in": 3600 // } // Save the JSON to a file for future requests. loFac = createobject("CkFileAccess") loFac.WriteEntireTextFile("qa_data/tokens/vonage_uc_extend.json",loJson.Emit(),"utf-8",.F.) release loOauth2 release loJson release loFac |
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