85 lines
2.9 KiB
PHP
85 lines
2.9 KiB
PHP
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<?php
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namespace addons\qrcode\controller;
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use think\addons\Controller;
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use think\exception\HttpResponseException;
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use think\Response;
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/**
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* 二维码生成
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*
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*/
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class Index extends Controller
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{
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public function index()
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{
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return $this->view->fetch();
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}
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// 生成二维码
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public function build()
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{
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$config = get_addon_config('qrcode');
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if (isset($config['limitreferer']) && $config['limitreferer']) {
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$referer = $this->request->server('HTTP_REFERER', '');
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$refererInfo = parse_url($referer);
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$refererHost = $referer && $refererInfo ? $refererInfo['host'] : '';
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$refererHostArr = explode('.', $refererHost);
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$wildcardDomain = '';
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if (count($refererHostArr) > 2) {
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$refererHostArr[0] = '*';
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$wildcardDomain = implode('.', $refererHostArr);
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}
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$allowRefererList = $config['allowrefererlist'] ?? '';
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$domainArr = explode("\n", str_replace("\r", "", $allowRefererList));
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$domainArr = array_filter(array_unique($domainArr));
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$domainArr[] = request()->host(true);
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$inAllowList = false;
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if (in_array('*', $domainArr) || ($refererHost && in_array($refererHost, $domainArr)) || ($wildcardDomain && in_array($wildcardDomain, $domainArr))) {
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$inAllowList = true;
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}
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if (!$inAllowList && (!$referer && $config['allowemptyreferer'])) {
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$inAllowList = true;
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}
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if (!$inAllowList) {
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$response = Response::create('暂无权限', 'html', 403);
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throw new HttpResponseException($response);
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}
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}
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$params = $this->request->get();
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$params = array_intersect_key($params, array_flip(['text', 'size', 'padding', 'errorlevel', 'foreground', 'background', 'logo', 'logosize', 'logopath', 'label', 'labelfontsize', 'labelalignment']));
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$params['text'] = $this->request->get('text', $config['text'], 'trim');
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$params['label'] = $this->request->get('label', $config['label'], 'trim');
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$qrCode = \addons\qrcode\library\Service::qrcode($params);
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$mimetype = $config['format'] == 'png' ? 'image/png' : 'image/svg+xml';
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$response = Response::create()->header("Content-Type", $mimetype);
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// 直接显示二维码
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header('Content-Type: ' . $qrCode->getContentType());
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$response->content($qrCode->writeString());
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// 写入到文件
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if ($config['writefile']) {
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$qrcodePath = ROOT_PATH . 'public/uploads/qrcode/';
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if (!is_dir($qrcodePath)) {
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@mkdir($qrcodePath);
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}
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if (is_really_writable($qrcodePath)) {
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$filePath = $qrcodePath . md5(implode('', $params)) . '.' . $config['format'];
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$qrCode->writeFile($filePath);
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}
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}
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return $response;
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}
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}
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