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basic-setup.md

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Basic setup

Managing clients

There are several commands available to manage clients.

Add a client

To add a client you should use the trikoder:oauth2:create-client command.

Description:
  Creates a new oAuth2 client

Usage:
  trikoder:oauth2:create-client [options] [--] [<identifier> [<secret>]]

Arguments:
  identifier                         The client identifier
  secret                             The client secret

Options:
      --redirect-uri[=REDIRECT-URI]  Sets redirect uri for client. Use this option multiple times to set multiple redirect URIs. (multiple values allowed)
      --grant-type[=GRANT-TYPE]      Sets allowed grant type for client. Use this option multiple times to set multiple grant types. (multiple values allowed)
      --scope[=SCOPE]                Sets allowed scope for client. Use this option multiple times to set multiple scopes. (multiple values allowed)

Update a client

To update a client you should use the trikoder:oauth2:update-client command.

Description:
  Updates an oAuth2 client

Usage:
  trikoder:oauth2:update-client [options] [--] <identifier>

Arguments:
  identifier                         The client ID

Options:
      --redirect-uri[=REDIRECT-URI]  Sets redirect uri for client. Use this option multiple times to set multiple redirect URIs. (multiple values allowed)
      --grant-type[=GRANT-TYPE]      Sets allowed grant type for client. Use this option multiple times to set multiple grant types. (multiple values allowed)
      --scope[=SCOPE]                Sets allowed scope for client. Use this option multiple times to set multiple scopes. (multiple values allowed)
      --deactivated                  If provided, it will deactivate the given client.

Restrict which grant types a client can access

$ bin/console trikoder:oauth2:update-client --grant-type client_credentials --grant-type password foo

Assign which scopes the client will receive

$ bin/console trikoder:oauth2:update-client --scope create --scope read foo

Delete a client

To delete a client you should use the trikoder:oauth2:delete-client command.

Description:
  Deletes an oAuth2 client

Usage:
  trikoder:oauth2:delete-client <identifier>

Arguments:
  identifier            The client ID

List clients

To list clients you should use the trikoder:oauth2:list-clients command.

Description:
  Lists existing oAuth2 clients

Usage:
  trikoder:oauth2:list-clients [options]

Options:
      --columns[=COLUMNS]            Determine which columns are shown. Comma separated list. [default: "identifier, secret, scope, redirect uri, grant type"]
      --redirect-uri[=REDIRECT-URI]  Finds by redirect uri for client. Use this option multiple times to filter by multiple redirect URIs. (multiple values allowed)
      --grant-type[=GRANT-TYPE]      Finds by allowed grant type for client. Use this option multiple times to filter by multiple grant types. (multiple values allowed)
      --scope[=SCOPE]                Finds by allowed scope for client. Use this option multiple times to find by multiple scopes. (multiple values allowed)__

Configuring the Security layer

Add two new firewalls in your security configuration:

security:
    firewalls:
        api_token:
            pattern: ^/api/token$
            security: false
        api:
            pattern: ^/api
            security: true
            stateless: true
            oauth2: true
  • The api_token firewall will ensure that anyone can access the /api/token endpoint in order to be able to retrieve their access tokens.
  • The api firewall will protect all routes prefixed with /api and clients will require a valid access token in order to access them.

Basically, any firewall which sets the oauth2 parameter to true will make any routes that match the selected pattern go through our OAuth 2.0 security layer.

NOTE: The order of firewalls is important because Symfony will evaluate them in the specified order.

Restricting routes by scope

You can define the oauth2_scopes parameter on the route you which to restrict the access to. The user will have to authenticate with all scopes which you defined:

oauth2_restricted:
    path: /api/restricted
    controller: 'App\Controller\FooController::barAction'
    defaults:
        oauth2_scopes: ['foo', 'bar']

Security roles

Once the user gets past the oauth2 firewall, they will be granted additional roles based on their granted token scopes. The roles are named in the following format:

ROLE_OAUTH2_<scope>

Here's one of the example uses cases featuring the @IsGranted annotation:

/**
 * @IsGranted("ROLE_OAUTH2_EDIT")
 */
public function indexAction()
{
    // ...
}

Auth

There are two possible reasons for the authentication server to reject a request:

  • Provided token is expired or invalid (HTTP response 401 Unauthorized)
  • Provided token is valid but scopes are insufficient (HTTP response 403 Forbidden)

Clearing expired access & refresh tokens

To clear expired access & refresh tokens you can use the trikoder:oauth2:clear-expired-tokens command.

The command removes all tokens whose expiry time is lesser than the current.

Description:
  Clears all expired access and/or refresh tokens

Usage:
  trikoder:oauth2:clear-expired-tokens [options]

Options:
  -a, --access-tokens-only   Clear only access tokens.
  -r, --refresh-tokens-only  Clear only refresh tokens.

CORS requests

For CORS handling, use NelmioCorsBundle