[PHP知识库]Laravel8 Token验证

composer require firebase/php-jwt

<?php
namespace App\Service;
use Firebase\JWT\JWT;

class Token
{
    protected $key;
    public function __construct()
    {
        $this->key = 'lizichen';
    }
    /**
     * 生成token
     */
    public function createToken($uid)
    {
        $time = time();
        $payload = array(
            "iss" => "",
            "aud" => "",
            "iat" => $time,
            "nbf" => $time,
            "exp" => $time+7200,
            "uid" => $uid
        );

        $token = JWT::encode($payload,$this->key);

        return $token;
    }

    /**
     * 验证token
     */
    public function validateToken($token)
    {
        try {
            $decoded = JWT::decode($token, $this->key, array('HS256'));
            return $decoded->uid;
        }catch (\Exception $e){
            return 'token过期';
        }
    }
}

? ?

<?php
namespace App\Http\Middleware;
use App\Service\Token;
use Closure;
use Illuminate\Http\Request;

class JwtToken
{
    /**
     * Handle an incoming request.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  \Closure  $next
     * @return mixed
     */
    public function handle(Request $request, Closure $next)
    {
        $token = $request->header('token');
        if(empty($token)){
            return response()->json(['code'=>40001,'msg'=>'请先登录','data'=>'']);
        }
        $res = (new Token())->validateToken($token);
        if(!is_numeric($res)){
            return response()->json(['code'=>40002,'msg'=>$res,'data'=>'']);
        }
        $request['uid'] = $res;
        return $next($request);
    }
}