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79 lines
2.1 KiB
79 lines
2.1 KiB
<?php
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namespace app\base\controller\oss\platform;
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use app\BaseController;
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use think\App;
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use think\facade\Request;
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class Callback extends BaseController
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{
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/**
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* 从服务器上传到OSS服务器源文件删除
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* @date 2022-06-28
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*/
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public function uploadCallback()
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{
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$header = Request::header();
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$data = input('post.');
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// 验证签名的参数
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$authorization_base64 = $header['authorization'];
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$oss_pub_key_url_base64 = $header['x-oss-pub-key-url'];
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// 参数不存在，则抛出异常
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if (!$authorization_base64 || !$oss_pub_key_url_base64) {
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header("http/1.1 403 Forbidden");
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exit();
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}
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// 获取公钥链接
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$oss_pub_key_url = base64_decode($oss_pub_key_url_base64);
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// 获取公钥
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$pub_key = http_data_get($oss_pub_key_url, 0);
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// 公钥不存在，抛出异常
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if (!$pub_key) {
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header("http/1.1 403 Forbidden");
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exit();
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}
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// 获取回调body
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$body = file_get_contents('php://input');
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// 拼接待签名字符串
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$auth_str = '';
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// 当前完整URL
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$path = Request::url();
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// 返回字符串在另一个字符串中第一次出现的位置。如果没有找到该字符串，则返回 false
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$pos = strpos($path, '?');
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if ($pos === false) {
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$auth_str = urldecode($path) . "\n" . $body;
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} else {
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$auth_str = urldecode(substr($path, 0, $pos)) . substr($path, $pos, strlen($path) - $pos) . "\n" . $body;
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}
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// 验证签名
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$ok = verifySignData($auth_str, $authorization_base64, $pub_key, 0, OPENSSL_ALGO_MD5);
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// 验证没有成功
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if (!$ok) {
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header("http/1.1 403 Forbidden");
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exit();
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}
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// 删除文件
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$file_path = $data['file_path'];
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unlink($file_path);
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header("Content-Type: application/json");
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$data = [
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"Status" => "Ok"
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];
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echo json_encode($data);
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}
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}
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