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64 lines
2.0 KiB
64 lines
2.0 KiB
2 months ago
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<?php
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use Firebase\JWT\JWT;
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use Firebase\JWT\Key;
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use Firebase\JWT\ExpiredException;
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include_once(SERVER_ROOT."/model/mBase.php");
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class mJwt extends mBase {
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public $alg='HS256';
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public $expire=86400;
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public $iss='';
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public $sub='';
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public $aud='';
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public $jti='';
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private function getJwtKey() {
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return JWT_KEY;
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}
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// iss: jwt签发者
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// sub: jwt所面向的用户
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// aud: 接收jwt的一方
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// exp: jwt的过期时间，这个过期时间必须要大于签发时间
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// nbf: 定义在什么时间之前，该jwt都是不可用的.
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// iat: jwt的签发时间
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// jti: jwt的唯一身份标识，主要用来作为一次性token,从而回避重放攻击
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public function getJwtEncode($data=array()) {
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include_once(SERVER_ROOT."/vendor/autoload.php");
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$payload = array();
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$payload['iat'] = time();
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$payload['nbf'] = time();
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if ($this->expire) $payload['exp'] = time()+$this->expire;
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if ($this->iss) $payload['iss'] = $this->iss;
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if ($this->sub) $payload['sub'] = $this->sub;
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if ($this->aud) $payload['aud'] = $this->aud;
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if ($this->jti) $payload['jti'] = $this->jti;
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if ($data) $payload = array_merge($payload, $data);
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return JWT::encode($payload, $this->getJwtKey(), $this->alg);
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}
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public function getJwtDecode($jwt) {
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include_once(SERVER_ROOT."/vendor/autoload.php");
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$keyOrKeyArray = new Key($this->getJwtKey(), $this->alg);
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JWT::$leeway = 60; // $leeway in seconds
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try {
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return (array)JWT::decode($jwt, $keyOrKeyArray);
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} catch (ExpiredException $e) {
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// 当JWT过期时，你可以选择重新登录或者其他逻辑处理
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$this->setError("token过期");
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return false;
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} catch (Exception $e) {
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// 其他JWT相关的异常处理
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$this->setError("token无效");
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return false;
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}
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}
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}
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