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110 lines
4.1 KiB
110 lines
4.1 KiB
<?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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