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(Node.js) Google Drive Refresh Access TokenDemonstrates how to automatically refresh the access token when it expires.
var os = require('os'); if (os.platform() == 'win32') { if (os.arch() == 'ia32') { var chilkat = require('@chilkat/ck-node21-win-ia32'); } else { var chilkat = require('@chilkat/ck-node21-win64'); } } else if (os.platform() == 'linux') { if (os.arch() == 'arm') { var chilkat = require('@chilkat/ck-node21-arm'); } else if (os.arch() == 'x86') { var chilkat = require('@chilkat/ck-node21-linux32'); } else { var chilkat = require('@chilkat/ck-node21-linux64'); } } else if (os.platform() == 'darwin') { if (os.arch() == 'arm64') { var chilkat = require('@chilkat/ck-node21-mac-m1'); } else { var chilkat = require('@chilkat/ck-node21-macosx'); } } function chilkatExample() { var success = true; // It requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example uses a previously obtained access token having permission for the // Google Drive scope. // The access token (and refresh token) was previously saved to a JSON file with this format: // See Get Google Drive OAuth2 Access Token // { // "access_token": "ya29.Gls-BsdxTWuenChv ... yzVIrXikkLxu5T6dy4I6GjADFardoz4Lruw", // "expires_in": 3600, // "refresh_token": "1/tMBJ ... 27D-Hk6rpQYBA", // "scope": "https://www.googleapis.com/auth/drive", // "token_type": "Bearer" // } var json = new chilkat.JsonObject(); var tokenFilePath = "qa_data/tokens/googleDrive.json"; json.LoadFile(tokenFilePath); var oauth2 = new chilkat.OAuth2(); oauth2.AccessToken = json.StringOf("access_token"); oauth2.RefreshToken = json.StringOf("refresh_token"); var rest = new chilkat.Rest(); // Connect using TLS. var bAutoReconnect = true; success = rest.Connect("www.googleapis.com",443,true,bAutoReconnect); // Provide the authentication credentials (i.e. the access token) rest.SetAuthOAuth2(oauth2); // We'll test with a simple request to empty trash. // If our access token expired, we'll get a 401 response.. var jsonResponse = rest.FullRequestNoBody("DELETE","/drive/v3/files/trash"); if (rest.LastMethodSuccess !== true) { console.log(rest.LastErrorText); return; } // If the access token expired, we'll get a 401 response status with this response body: // { // "error": { // "errors": [ // { // "domain": "global", // "reason": "authError", // "message": "Invalid Credentials", // "locationType": "header", // "location": "Authorization" // } // ], // "code": 401, // "message": "Invalid Credentials" // } // } if (rest.ResponseStatusCode == 401) { console.log("Refreshing access token..."); oauth2.AuthorizationEndpoint = "https://accounts.google.com/o/oauth2/v2/auth"; oauth2.TokenEndpoint = "https://www.googleapis.com/oauth2/v4/token"; // Replace these with actual values. oauth2.ClientId = "GOOGLE-CLIENT-ID"; oauth2.ClientSecret = "GOOGLE-CLIENT-SECRET"; oauth2.Scope = "https://www.googleapis.com/auth/drive"; // Use OAuth2 to refresh the access token. success = oauth2.RefreshAccessToken(); if (success !== true) { console.log(oauth2.LastErrorText); return; } // Save the new access token to our XML file (so we can refresh it again when needed). json.UpdateString("access_token",oauth2.AccessToken); var fac = new chilkat.FileAccess(); fac.WriteEntireTextFile(tokenFilePath,json.Emit(),"utf-8",false); console.log("Access Token Refreshed!"); // Retry the request with the new access token.. jsonResponse = rest.FullRequestNoBody("DELETE","/drive/v3/files/trash"); if (rest.LastMethodSuccess !== true) { console.log(rest.LastErrorText); return; } } // A successful response will have a status code equal to 204 and the response body is empty. // (If not successful, then there should be a JSON response body with information..) if (rest.ResponseStatusCode !== 204) { console.log("response status code = " + rest.ResponseStatusCode); console.log("response status text = " + rest.ResponseStatusText); console.log("response header: " + rest.ResponseHeader); console.log("response JSON: " + jsonResponse); return; } console.log("Trash Emptied!"); } chilkatExample(); |
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