How use OAuth 2.0 for REST API calls in PHP?

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How use OAuth 2.0 for REST API calls in PHP?

The only prerequisites are PHP, Composer, and a free Okta developer account.

  1. Create the REST API Skeleton.
  2. Implement the Initial REST API Version.
  3. Using Okta and OAuth 2.0 to Secure the API.
  4. Setting Up Okta.
  5. Obtain an Access Token from Okta.
  6. Add Token Authorization to the API.
  7. Revoking the Access Token.

How does OAuth work in PHP?

The consumer requests a token from the server. The consumer then directs the user to a login page, passing the token with them. The user logs in and is redirected back to the consumer with an access token. The consumer takes the access token and requests the OAuth token to use with future secure requests.

How can I get OAuth 2.0 token?

Basic steps

  1. Obtain OAuth 2. 0 credentials from the Google API Console.
  2. Obtain an access token from the Google Authorization Server.
  3. Examine scopes of access granted by the user.
  4. Send the access token to an API.
  5. Refresh the access token, if necessary.

What is OAuth2 in PHP?

Introduction. league/oauth2-server is a standards compliant implementation of an OAuth 2.0 authorization server written in PHP which makes working with OAuth 2.0 trivial. You can easily configure an OAuth 2.0 server to protect your API with access tokens, or allow clients to request new access tokens and refresh them.

How authorize API in PHP?

First, turn on the Client Credentials grant on then Advanced settings > Grant Types tab on the Application settings page. Next, authorize the Application for the API being used on the Machine to Machine Applications tab on the API’s Settings page. Make sure all necessary scopes are selected (but no more) and Update.

How do PHP tokens work?

Using Token Authentication in your PHP application lets you allow the user to log in with a username and password once, retrieve the access and refresh tokens, and then store those on the client. All future requests will be made using the access token to identify the user.

How do I authenticate in PHP?

Steps to create a user login authentication system in PHP

  1. Create a MySQL database with users table.
  2. Create a user login panel to submit login details to PHP.
  3. Generate query to compare user login details with the MySQL user database.

How does OAuth2 work in REST API?

OAuth2 is the preferred method of authenticating access to the API. OAuth2 allows authorization without the external application getting the user’s email address or password. Instead, the external application gets a token that authorizes access to the user’s account.

What is OAuth 2.0 in REST API?

OAuth 2.0 is an authorization protocol that gives an API client limited access to user data on a web server. GitHub, Google, and Facebook APIs notably use it.

How can I get authorization token in PHP?

Using JWTs with OAuth 2.0 and OpenID Connect in PHP

  1. The iss (issuer) claim matches the identifier of your Okta Authorization Server.
  2. The aud (audience) claim should match the Client ID used to request the ID Token.
  3. The iat (issued at time) claim indicates when this ID token was issued.

How do you authenticate the users explain with example in PHP?

Once the user has filled in a username and a password, the URL containing the PHP script will be called again with the predefined variables PHP_AUTH_USER , PHP_AUTH_PW , and AUTH_TYPE set to the user name, password and authentication type respectively. These predefined variables are found in the $_SERVER array.