322 lines
12 KiB
PHP
322 lines
12 KiB
PHP
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<?php
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/**
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* +----------------------------------------------------------------------
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* | CRMEB [ CRMEB赋能开发者，助力企业发展 ]
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* +----------------------------------------------------------------------
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* | Copyright (c) 2016~2022 https://www.crmeb.com All rights reserved.
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* +----------------------------------------------------------------------
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* | Licensed CRMEB并不是自由软件，未经许可不能去掉CRMEB相关版权
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* +----------------------------------------------------------------------
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* | Author: CRMEB Team <admin@crmeb.com>
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* +----------------------------------------------------------------------
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*/
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namespace crmeb\services\upload\extend\cos;
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class Sts
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{
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// 临时密钥计算样例
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function _hex2bin($data)
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{
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$len = strlen($data);
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return pack("H" . $len, $data);
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}
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// obj 转 query string
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function json2str($obj, $notEncode = false)
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{
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ksort($obj);
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$arr = array();
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if (!is_array($obj)) {
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throw new \Exception('$obj must be an array, the actual value is:' . json_encode($obj));
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}
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foreach ($obj as $key => $val) {
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array_push($arr, $key . '=' . ($notEncode ? $val : rawurlencode($val)));
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}
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return join('&', $arr);
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}
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// 计算临时密钥用的签名
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function getSignature($opt, $key, $method, $config)
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{
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$host = "sts.tencentcloudapi.com";
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if (array_key_exists('domain', $config)) {
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$host = $config['domain'];
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}
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if (array_key_exists('endpoint', $config)) {
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$host = "sts." . $config['endpoint'];
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}
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$formatString = $method . $host . '/?' . $this->json2str($opt, 1);
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$sign = hash_hmac('sha1', $formatString, $key);
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$sign = base64_encode($this->_hex2bin($sign));
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return $sign;
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}
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// v2接口的key首字母小写，v3改成大写，此处做了向下兼容
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function backwardCompat($result)
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{
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if (!is_array($result)) {
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throw new \Exception('$result must be an array, the actual value is:' . json_encode($result));
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}
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$compat = array();
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foreach ($result as $key => $value) {
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if (is_array($value)) {
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$compat[lcfirst($key)] = $this->backwardCompat($value);
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} elseif ($key == 'Token') {
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$compat['sessionToken'] = $value;
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} else {
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$compat[lcfirst($key)] = $value;
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}
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}
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return $compat;
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}
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// 获取临时密钥
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function getTempKeys($config)
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{
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$result = null;
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try {
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if (array_key_exists('policy', $config)) {
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$policy = $config['policy'];
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} else {
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if (array_key_exists('bucket', $config)) {
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$ShortBucketName = substr($config['bucket'], 0, strripos($config['bucket'], '-'));
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$AppId = substr($config['bucket'], 1 + strripos($config['bucket'], '-'));
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} else {
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throw new \Exception("bucket== null");
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}
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if (array_key_exists('allowPrefix', $config)) {
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if (!(strpos($config['allowPrefix'], '/') === 0)) {
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$config['allowPrefix'] = '/' . $config['allowPrefix'];
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}
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} else {
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throw new \Exception("allowPrefix == null");
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}
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if (!array_key_exists('region', $config)) {
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throw new \Exception("region == null");
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}
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$policy = array(
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'version' => '2.0',
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'statement' => array(
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array(
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'action' => $config['allowActions'],
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'effect' => 'allow',
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'resource' => array(
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'qcs::cos:' . $config['region'] . ':uid/' . $AppId . ':' . $config['bucket'] . $config['allowPrefix']
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)
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)
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)
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);
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}
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$policyStr = str_replace('\\/', '/', json_encode($policy));
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$Action = 'GetFederationToken';
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$Nonce = rand(10000, 20000);
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$Timestamp = time();
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$Method = 'POST';
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if (array_key_exists('durationSeconds', $config)) {
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if (!(is_integer($config['durationSeconds']))) {
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throw new \Exception("durationSeconds must be a int type");
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}
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}
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$params = array(
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'SecretId' => $config['secretId'],
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'Timestamp' => $Timestamp,
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'Nonce' => $Nonce,
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'Action' => $Action,
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'DurationSeconds' => $config['durationSeconds'],
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'Version' => '2018-08-13',
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'Name' => 'cos',
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'Region' => $config['region'],
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'Policy' => urlencode($policyStr)
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);
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$params['Signature'] = $this->getSignature($params, $config['secretKey'], $Method, $config);
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$url = 'https://sts.tencentcloudapi.com/';
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if (array_key_exists('url', $config)) {
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$url = $config['url'];
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}
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if (!array_key_exists('url', $config) && array_key_exists('domain', $config)) {
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$url = 'https://sts.' . $config['domain'];
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}
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if (array_key_exists('endpoint', $config)) {
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$url = 'https://sts.' . $config['endpoint'];
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}
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$ch = curl_init($url);
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if (array_key_exists('proxy', $config)) {
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$config['proxy'] && curl_setopt($ch, CURLOPT_PROXY, $config['proxy']);
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}
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curl_setopt($ch, CURLOPT_HEADER, 0);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $this->json2str($params));
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$result = curl_exec($ch);
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if (curl_errno($ch)) $result = curl_error($ch);
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curl_close($ch);
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$result = json_decode($result, 1);
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if (isset($result['Response'])) {
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$result = $result['Response'];
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if (isset($result['Error'])) {
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throw new \Exception("get cam failed");
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}
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$result['startTime'] = $result['ExpiredTime'] - $config['durationSeconds'];
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}
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$result = $this->backwardCompat($result);
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return $result;
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} catch (\Exception $e) {
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if ($result == null) {
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$result = "error: " . $e->getMessage();
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} else {
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$result = json_encode($result);
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}
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throw new \Exception($result);
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}
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}
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//申请角色授权
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function getRoleCredential($config)
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{
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$result = null;
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try {
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if (array_key_exists('policy', $config)) {
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$policy = $config['policy'];
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} else {
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if (array_key_exists('bucket', $config)) {
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$ShortBucketName = substr($config['bucket'], 0, strripos($config['bucket'], '-'));
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$AppId = substr($config['bucket'], 1 + strripos($config['bucket'], '-'));
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} else {
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throw new \Exception("bucket== null");
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}
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if (array_key_exists('allowPrefix', $config)) {
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if (!(strpos($config['allowPrefix'], '/') === 0)) {
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$config['allowPrefix'] = '/' . $config['allowPrefix'];
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}
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} else {
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throw new \Exception("allowPrefix == null");
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}
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if (!array_key_exists('region', $config)) {
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throw new \Exception("region == null");
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}
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$policy = array(
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'version' => '2.0',
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'statement' => array(
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array(
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'action' => $config['allowActions'],
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'effect' => 'allow',
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'resource' => array(
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'qcs::cos:' . $config['region'] . ':uid/' . $AppId . ':' . $config['bucket'] . $config['allowPrefix']
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)
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)
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)
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);
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}
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if (array_key_exists('roleArn', $config)) {
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$RoleArn = $config['roleArn'];
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} else {
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throw new \Exception("roleArn == null");
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}
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$policyStr = str_replace('\\/', '/', json_encode($policy));
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$Action = 'AssumeRole';
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$Nonce = rand(10000, 20000);
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$Timestamp = time();
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$Method = 'POST';
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$ExternalId = "";
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if (array_key_exists('externalId', $config)) {
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$ExternalId = $config['externalId'];
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}
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if (array_key_exists('durationSeconds', $config)) {
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if (!(is_integer($config['durationSeconds']))) {
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throw new \Exception("durationSeconds must be a int type");
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}
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}
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$params = array(
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'SecretId' => $config['secretId'],
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'Timestamp' => $Timestamp,
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'RoleArn' => $RoleArn,
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'Action' => $Action,
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'Nonce' => $Nonce,
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'DurationSeconds' => $config['durationSeconds'],
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'Version' => '2018-08-13',
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'RoleSessionName' => 'cos',
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'Region' => $config['region'],
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'ExternalId' => $ExternalId,
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'Policy' => urlencode($policyStr)
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);
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$params['Signature'] = $this->getSignature($params, $config['secretKey'], $Method, $config);
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$url = 'https://sts.internal.tencentcloudapi.com/';
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if (array_key_exists('endpoint', $config)) {
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$url = 'https://sts.' . $config['endpoint'];
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}
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$ch = curl_init($url);
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if (array_key_exists('proxy', $config)) {
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$config['proxy'] && curl_setopt($ch, CURLOPT_PROXY, $config['proxy']);
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}
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curl_setopt($ch, CURLOPT_HEADER, 0);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
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curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $this->json2str($params));
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$result = curl_exec($ch);
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if (curl_errno($ch)) $result = curl_error($ch);
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curl_close($ch);
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$result = json_decode($result, 1);
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if (isset($result['Response'])) {
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$result = $result['Response'];
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if (isset($result['Error'])) {
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throw new \Exception("get cam failed");
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}
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$result['startTime'] = $result['ExpiredTime'] - $config['durationSeconds'];
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}
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$result = $this->backwardCompat($result);
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return $result;
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} catch (\Exception $e) {
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if ($result == null) {
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$result = "error: " . $e->getMessage();
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} else {
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$result = json_encode($result);
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}
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throw new \Exception($result);
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}
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}
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// get policy
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function getPolicy($scopes)
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{
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if (!is_array($scopes)) {
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return null;
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}
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$statements = array();
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for ($i = 0, $counts = count($scopes); $i < $counts; $i++) {
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$actions = array();
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$resources = array();
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array_push($actions, $scopes[$i]->get_action());
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array_push($resources, $scopes[$i]->get_resource());
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$statement = array(
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'action' => $actions,
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'effect' => $scopes[$i]->get_effect(),
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'resource' => $resources
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);
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array_push($statements, $statement);
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}
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$policy = array(
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'version' => '2.0',
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'statement' => $statements
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);
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return $policy;
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}
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}
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