accounts/api/models/AccountIdentity.php

<?php
namespace api\models;

use common\models\Account;
use Emarref\Jwt\Claim\JwtId;
use Emarref\Jwt\Exception\ExpiredException;
use Yii;
use yii\base\NotSupportedException;
use yii\web\IdentityInterface;
use yii\web\UnauthorizedHttpException;

class AccountIdentity extends Account implements IdentityInterface {

    /**
     * @inheritdoc
     */
    public static function findIdentityByAccessToken($token, $type = null) {
        /** @var \api\components\User\Component $component */
        $component = Yii::$app->user;
        try {
            $token = $component->parseToken($token);
        } catch (ExpiredException $e) {
            throw new UnauthorizedHttpException('Token expired');
        } catch (\Exception $e) {
            throw new UnauthorizedHttpException('Incorrect token');
        }

        // Если исключение выше не случилось, то значит всё оке
        /** @var JwtId $jti */
        $jti = $token->getPayload()->findClaimByName(JwtId::NAME);
        $account = static::findOne($jti->getValue());
        if ($account === null) {
            throw new UnauthorizedHttpException('Invalid token');
        }

        return $account;
    }

    /**
     * @inheritdoc
     */
    public function getId() {
        return $this->id;
    }

    /**
     * @inheritdoc
     */
    public static function findIdentity($id) {
        return static::findOne($id);
    }

    /**
     * @inheritdoc
     */
    public function getAuthKey() {
        throw new NotSupportedException('This method used for cookie auth, except we using JWT tokens');
    }

    /**
     * @inheritdoc
     */
    public function validateAuthKey($authKey) {
        throw new NotSupportedException('This method used for cookie auth, except we using JWT tokens');
    }

}