#Google drive api upload file to folder tutorial code

The API sends a code parameter while calling this redirect URL. This page is called by Google API after performing the OAuth request. $util->redirect('error', 'Failed to find the form data.') Ĭallback action to get access token and proceed file upload to Google Drive $util->redirect('error', 'Choose file to upload.') $util->redirect('error', 'Failed to upload file.') $util->redirect('error', 'Failed to insert into the database.')

In case of error occurrence, it calls application utils to acknowledge and guide users properly. This URI sets the scope, app client id and redirect path (callback.php) to get the access code from the Google Drive API endpoint. It saves the file path to the database and redirects to the Google OAuth URI. This HTML form action endpoint performs file upload to a directory. PHP code upload file to a directory, save to database and redirect to Google We have already seen code for doing server-side file validation in PHP.īackground: #ffc72c url('google-drive-icon.png') no-repeat center left You can also add exclusive JavaScript validation for this file upload form. I have just managed field validation by using HTML5 required attribute. The file data is posted to this PHP file to upload to a local directory and to Google Drive. This is a simple HTML form that calls the PHP endpoint upload.php on submitting. The API will call this URI with the access code to proceed with file upload after authentication. The AUTHORIZED_REDIRECT_URI is to set the callback. To get the access token after authentication with the API credentials GOOGLE_WEB_CLIENT_ID and GOOGLE_WEB_CLIENT_SECRET.The endpoint URI configured in this file is to hit the Google Drive API for the following purpose. The API credentials and the endpoints are stored as PHP constants with this file. This PHP file contains the constants used in this example. The following figure shows the file structure of this example. Let us see the PHP example code created for this article to upload a file to Google Drive. These credentials are used for the authentication process to get access to Google Drive. Choose Application type as Web Application.Īfter completing these steps, the console will display the Google web client id and the secret key.Select Credentials->Create Credentials, then select OAuth client ID.Fill up the following to register the app. Choose the OAuth consent screen menu to create the app.Click the Library menu and enable Google Drive API.Create a new project or select an existing project from the Google console header.Then follow the below steps to create API credentials to access Google Drive to upload a file. Login to your Google account and go to the developer console.

#Google drive api upload file to folder tutorial how to

How to create API credentials to access Google Drive The below figure shows the file upload form with the success and failure responses.

On successful upload without any of the above uncertainties, this code shows the Google Drive link to see the uploaded file preview.

When the cURL request to the Google API is failed to return the status code 200.

When the Google OAuth request is failed to get the access token.

When the user fails to submit the form and proceeds to upload without form data.

When the file binary is empty on the PHP script.

It handles errors that can occur for the following reasons during the upload process. It also uses a database to save the uploaded file details with the Google Drive reference. It gives a simple PHP script to easily understand the Google API and upload files. This tutorial describes uploading files to Google Drive using PHP.

It uses OAuth to authenticate requests and authorize access. Uploading files to Google Drive programmatically can be done by the Google API.