wanghongjun
1 year ago
4 changed files with 125 additions and 83 deletions
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<?php |
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namespace app\service\invoice; |
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use Endroid\QrCode\Builder\Builder; |
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use Endroid\QrCode\Encoding\Encoding; |
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use Endroid\QrCode\ErrorCorrectionLevel\ErrorCorrectionLevelHigh; |
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use Endroid\QrCode\Label\Alignment\LabelAlignmentCenter; |
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use Endroid\QrCode\Label\Font\NotoSans; |
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use Endroid\QrCode\Writer\PngWriter; |
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use Firebase\JWT\JWT; |
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use Firebase\JWT\Key; |
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use think\facade\Request; |
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class InvoiceQrCode |
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{ |
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/** |
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* 组合 url |
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* @param $id |
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* @return string |
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*/ |
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public static function getDownFileUrl($id): string |
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{ |
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$url = Request::domain(true); |
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$token = self::signToken($id); |
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return $url . '/api/InvoiceIssuance/downFile?token=' . $token; |
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} |
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/** |
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* 获取二维码 |
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* @param $id |
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* @return string |
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*/ |
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public static function getQrCode($id): string |
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{ |
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$codeUrl = self::getDownFileUrl($id); |
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$result = Builder::create() |
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->writer(new PngWriter()) |
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->writerOptions([]) |
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->data($codeUrl) |
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->encoding(new Encoding('UTF-8')) |
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->errorCorrectionLevel(new ErrorCorrectionLevelHigh()) |
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->size(300) |
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->margin(10) |
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->labelText('')// 发票已开具，请扫描二维码获取发票！ |
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->labelFont(new NotoSans(20)) |
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->labelAlignment(new LabelAlignmentCenter()) |
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->validateResult(false) |
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->build(); |
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return $result->getDataUri(); |
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} |
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/** |
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* 生成token |
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* @param $id |
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* @return string |
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*/ |
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protected static function signToken($id): string |
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{ |
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$data = [ |
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'invoice_issuance_id' => $id, |
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'now_time' => time() |
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]; |
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$key = config('jwt.key'); //这里是自定义的一个随机字串，应该写在config文件中的，解密时也会用，相当于加密中常用的 盐-salt |
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$token = array( |
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"iss" => $key, //签发者 可以为空 |
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"aud" => '', //面象的用户，可以为空 |
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"iat" => time(), //签发时间 |
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"nbf" => time() + 3, //在什么时候jwt开始生效 （这里表示生成100秒后才生效） |
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"exp" => time() + 7200, //token 过期时间 |
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"data" => $data //记录的userid的信息，这里是自已添加上去的，如果有其它信息，可以再添加数组的键值对 |
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); |
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return JWT::encode($token, $key, "HS384"); //根据参数生成了token，可选：HS256、HS384、HS512、RS256、ES256等 |
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} |
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/** |
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* 验证token |
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* @param $token |
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* @return array|int[] |
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*/ |
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public static function checkToken($token): array |
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{ |
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$key = config('jwt.key'); |
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$status = array("code" => 0); |
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try { |
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JWT::$leeway = 60; //当前时间减去60，把时间留点余地 |
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$decoded = JWT::decode($token, new Key($key, 'HS384')); //同上的方式，这里要和签发的时候对应 |
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$arr = (array)$decoded; |
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$res['code'] = 1; |
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$res['data'] = $arr['data']; |
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$res['data'] = json_decode(json_encode($res['data']), true);//将stdObj类型转换为array |
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return $res; |
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} catch (\Firebase\JWT\SignatureInvalidException $e) { //签名不正确 |
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$status['msg'] = "验证失败"; //"签名不正确"; |
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return $status; |
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} catch (\Firebase\JWT\BeforeValidException $e) { // 签名在某个时间点之后才能用 |
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$status['msg'] = "验证失败"; //"token失效"; |
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return $status; |
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} catch (\Firebase\JWT\ExpiredException $e) { // token过期 |
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$status['msg'] = "验证失败"; //"token失效"; |
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return $status; |
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} catch (\Exception $e) { //其他错误 |
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$status['msg'] = "验证失败";//"未知错误"; |
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return $status; |
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} |
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} |
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} |
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