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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| <?php | ||
|
|
||
| /** | ||
| * 代码出处： | ||
| * https://github.com/tencentyun/qcloud-cos-sts-sdk | ||
| */ | ||
|
|
||
| class STS{ | ||
| // 临时密钥计算样例 | ||
|
|
||
| function _hex2bin($data) { | ||
| $len = strlen($data); | ||
| return pack("H" . $len, $data); | ||
| } | ||
| // obj 转 query string | ||
| function json2str($obj, $notEncode = false) { | ||
| ksort($obj); | ||
| $arr = array(); | ||
| if(!is_array($obj)){ | ||
| throw new Exception($obj + " must be a array"); | ||
| } | ||
| foreach ($obj as $key => $val) { | ||
| array_push($arr, $key . '=' . ($notEncode ? $val : rawurlencode($val))); | ||
| } | ||
| return join('&', $arr); | ||
| } | ||
| // 计算临时密钥用的签名 | ||
| function getSignature($opt, $key, $method, $config) { | ||
| $formatString = $method . $config['domain'] . '/?' . $this->json2str($opt, 1); | ||
| $sign = hash_hmac('sha1', $formatString, $key); | ||
| $sign = base64_encode($this->_hex2bin($sign)); | ||
| return $sign; | ||
| } | ||
| // v2接口的key首字母小写，v3改成大写，此处做了向下兼容 | ||
| function backwardCompat($result) { | ||
| if(!is_array($result)){ | ||
| throw new Exception($result + " must be a array"); | ||
| } | ||
| $compat = array(); | ||
| foreach ($result as $key => $value) { | ||
| if(is_array($value)) { | ||
| $compat[lcfirst($key)] = $this->backwardCompat($value); | ||
| } elseif ($key == 'Token') { | ||
| $compat['sessionToken'] = $value; | ||
| } else { | ||
| $compat[lcfirst($key)] = $value; | ||
| } | ||
| } | ||
| return $compat; | ||
| } | ||
| // 获取临时密钥 | ||
| function getTempKeys($config) { | ||
| if(array_key_exists('bucket', $config)){ | ||
| $ShortBucketName = substr($config['bucket'],0, strripos($config['bucket'], '-')); | ||
| $AppId = substr($config['bucket'], 1 + strripos($config['bucket'], '-')); | ||
| } | ||
| if(array_key_exists('policy', $config)){ | ||
| $policy = $config['policy']; | ||
| }else{ | ||
| $policy = array( | ||
| 'version'=> '2.0', | ||
| 'statement'=> array( | ||
| array( | ||
| 'action'=> $config['allowActions'], | ||
| 'effect'=> 'allow', | ||
| 'principal'=> array('qcs'=> array('*')), | ||
| 'resource'=> array( | ||
| 'qcs::cos:' . $config['region'] . ':uid/' . $AppId . ':prefix//' . $AppId . '/' . $ShortBucketName . '/' . $config['allowPrefix'] | ||
| ) | ||
| ) | ||
| ) | ||
| ); | ||
| } | ||
| $policyStr = str_replace('\\/', '/', json_encode($policy)); | ||
| $Action = 'GetFederationToken'; | ||
| $Nonce = rand(10000, 20000); | ||
| $Timestamp = time(); | ||
| $Method = 'POST'; | ||
| $params = array( | ||
| 'SecretId'=> $config['secretId'], | ||
| 'Timestamp'=> $Timestamp, | ||
| 'Nonce'=> $Nonce, | ||
| 'Action'=> $Action, | ||
| 'DurationSeconds'=> $config['durationSeconds'], | ||
| 'Version'=>'2018-08-13', | ||
| 'Name'=> 'cos', | ||
| 'Region'=> 'ap-guangzhou', | ||
| 'Policy'=> urlencode($policyStr) | ||
| ); | ||
| $params['Signature'] = $this->getSignature($params, $config['secretKey'], $Method, $config); | ||
| $url = $config['url']; | ||
| $ch = curl_init($url); | ||
| if(array_key_exists('proxy', $config)){ | ||
| $config['proxy'] && curl_setopt($ch, CURLOPT_PROXY, $config['proxy']); | ||
| } | ||
| curl_setopt($ch, CURLOPT_HEADER, 0); | ||
| curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,0); | ||
| curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,0); | ||
| curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); | ||
| curl_setopt($ch, CURLOPT_POST, 1); | ||
| curl_setopt($ch, CURLOPT_POSTFIELDS, $this->json2str($params)); | ||
| $result = curl_exec($ch); | ||
| if(curl_errno($ch)) $result = curl_error($ch); | ||
| curl_close($ch); | ||
| $result = json_decode($result, 1); | ||
| if (isset($result['Response'])) { | ||
| $result = $result['Response']; | ||
| $result['startTime'] = $result['ExpiredTime'] - $config['durationSeconds']; | ||
| } | ||
| $result = $this->backwardCompat($result); | ||
| return $result; | ||
| } | ||
|
|
||
| // get policy | ||
| function getPolicy($scopes){ | ||
| if (!is_array($scopes)){ | ||
| return null; | ||
| } | ||
| $statements = array(); | ||
|
|
||
| for($i=0, $counts=count($scopes); $i < $counts; $i++){ | ||
| $actions=array(); | ||
| $resources = array(); | ||
| array_push($actions, $scopes[$i]->get_action()); | ||
| array_push($resources, $scopes[$i]->get_resource()); | ||
| $principal = array( | ||
| 'qcs' => array('*') | ||
| ); | ||
| $statement = array( | ||
| 'actions' => $actions, | ||
| 'effect' => 'allow', | ||
| 'principal' => $principal, | ||
| 'resource' => $resources | ||
| ); | ||
| array_push($statements, $statement); | ||
| } | ||
|
|
||
| $policy = array( | ||
| 'version' => '2.0', | ||
| 'statement' => $statements | ||
| ); | ||
| return $policy; | ||
| } | ||
| } | ||
|
|
||
| class Scope{ | ||
| var $action; | ||
| var $bucket; | ||
| var $region; | ||
| var $resourcePrefix; | ||
| function __construct($action, $bucket, $region, $resourcePrefix){ | ||
| $this->action = $action; | ||
| $this->bucket = $bucket; | ||
| $this->region = $region; | ||
| $this->resourcePrefix = $resourcePrefix; | ||
| } | ||
| function get_action(){ | ||
| return $this->action; | ||
| } | ||
|
|
||
| function get_resource(){ | ||
| $index = strripos($this->bucket, '-'); | ||
| $bucketName = substr($this->bucket, 0, $index); | ||
| $appid = substr($this->bucket, $index + 1); | ||
| if(!(strpos($this->resourcePrefix, '/') === 0)){ | ||
| $this->resourcePrefix = '/' . $this->resourcePrefix; | ||
| } | ||
| return 'qcs::cos:' . $this->region . ':uid/' . $appid . ':prefix//' . $appid . '/' . $bucketName . $this->resourcePrefix; | ||
| } | ||
| } | ||
| ?> |
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