87 lines
1.8 KiB
PHP
87 lines
1.8 KiB
PHP
<?php
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namespace app\utils;
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use Firebase\JWT\JWT;
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use Firebase\JWT\Key;
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class JwtUtils
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{
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private string $secret = "f4e2e52034348f86b67cde581c0f9eb5";
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private int $expire = 604800; // 单位：秒
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private string $header = "token";
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public function __construct()
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{
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$this->secret = base64_decode($this->secret);
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}
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/**
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* 生成 JWT Token
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*/
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public function generateToken($userId, string $type): string
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{
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$now = time();
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$payload = [
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'sub' => (string)$userId,
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'type' => $type,
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'iat' => $now,
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'exp' => $now + $this->expire
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];
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return JWT::encode($payload, $this->secret, 'HS512');
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}
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/**
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* 从 token 中解析出 Claims
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*/
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public function getClaimByToken(string $token): ?object
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{
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try {
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return JWT::decode($token, new Key($this->secret, 'HS512'));
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} catch (\Exception $e) {
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error_log('Token 验证失败: ' . $e->getMessage());
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return null;
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}
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}
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/**
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* 判断 token 是否过期（通过传入的 exp 字段）
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*/
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public function isTokenExpired(int $exp): bool
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{
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return $exp < time();
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}
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// Getter/Setter
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public function getSecret(): string
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{
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return $this->secret;
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}
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public function getExpire(): int
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{
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return $this->expire;
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}
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public function getHeader(): string
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{
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return $this->header;
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}
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public function setSecret(string $secret): void
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{
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$this->secret = $secret;
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}
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public function setExpire(int $expire): void
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{
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$this->expire = $expire;
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}
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public function setHeader(string $header): void
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{
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$this->header = $header;
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}
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}
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