更新时间：2021-03-18 GMT+08:00

生成带授权信息的URL

功能说明

通过访问密钥、请求方法类型、请求参数等信息生成一个在Query参数中携带鉴权信息的URL，以对OBS服务进行特定操作。

方法定义

ObsClient->createSignedUrl(array $parameter)

请求参数

字段名	类型	约束	说明
Method	string	必选	HTTP方法类型，支持的值： GET POST PUT DELETE HEAD
Bucket	string	可选	桶名。
Key	string	可选	对象名。
SpecialParam	string	可选	特殊操作符，代表要操作的子资源，支持的值： versions uploads location storageinfo quota storagePolicy acl logging policy lifecycle website versioning cors notification tagging delete restore
Expires	integer	可选	带授权信息的URL的过期时间（单位：秒），默认值：300。
Headers	associative array	可选	请求中携带的头域。
QueryParams	associative array	可选	请求中携带的查询参数。

返回结果

字段名	类型	说明
SignedUrl	string	带授权信息的URL。
ActualSignedRequestHeaders	associative array	通过带授权信息的URL发起请求时实际应携带的头域。

代码样例

try {
       // 生成创建桶的带授权信息的URL
       $resp = $obsClient->createSignedUrl( [ 
              'Method' => 'PUT',
              'Bucket' => 'bucketname',
              'Expires' => 3600,
       ] );
       printf ( "SignedUrl:%s\n", $resp ['SignedUrl'] );
       printf ( "ActualSignedRequestHeaders:%s\n", print_r($resp ['ActualSignedRequestHeaders'], true) );
       
       // 生成上传对象的带授权信息的URL
       $resp = $obsClient->createSignedUrl( [
                     'Method' => 'PUT',
                     'Bucket' => 'bucketname',
                     'Key' => 'objectkey',
                     'Expires' => 3600,
                     'Headers' => ['content-type' => 'text/plain']
       ] );
       printf ( "SignedUrl:%s\n", $resp ['SignedUrl'] );
       printf ( "ActualSignedRequestHeaders:%s\n", print_r($resp ['ActualSignedRequestHeaders'], true) );

       // 生成设置对象ACL的带授权信息的URL
       $resp = $obsClient->createSignedUrl( [
                     'Method' => 'PUT',
                     'Bucket' => 'bucketname',
                     'Key' => 'objectkey',
                     'Expires' => 3600,
                     'SpecialParam' => 'acl',
                     'Headers' => ['x-obs-acl' => 'public-read']
       ] );
       printf ( "SignedUrl:%s\n", $resp ['SignedUrl'] );
       printf ( "ActualSignedRequestHeaders:%s\n", print_r($resp ['ActualSignedRequestHeaders'], true) );
       
       // 生成下载对象的带授权信息的URL
       $resp = $obsClient->createSignedUrl( [
                     'Method' => 'GET',
                     'Bucket' => 'bucketname',
                     'Key' => 'objectkey',
                     'Expires' => 3600
       ] );
       printf ( "SignedUrl:%s\n", $resp ['SignedUrl'] );
       printf ( "ActualSignedRequestHeaders:%s\n", print_r($resp ['ActualSignedRequestHeaders'], true) );

       // 生成删除对象的带授权信息的URL
       $resp = $obsClient->createSignedUrl( [
                     'Method' => 'DELETE',
                     'Bucket' => 'bucketname',
                     'Key' => 'objectkey',
                     'Expires' => 3600
       ] );
       printf ( "SignedUrl:%s\n", $resp ['SignedUrl'] );
       printf ( "ActualSignedRequestHeaders:%s\n", print_r($resp ['ActualSignedRequestHeaders'], true) );
       
       // 生成删除桶的带授权信息的URL
       $resp = $obsClient->createSignedUrl( [
                     'Method' => 'DELETE',
                     'Bucket' => 'bucketname',
                     'Expires' => 3600
       ] );
       printf ( "SignedUrl:%s\n", $resp ['SignedUrl'] );
       printf ( "ActualSignedRequestHeaders:%s\n", print_r($resp ['ActualSignedRequestHeaders'], true) );
} catch ( Obs\Common\ObsException $obsException ) {
       printf ( "ExceptionCode:%s\n", $obsException->getExceptionCode () );
       printf ( "ExceptionMessage:%s\n", $obsException->getExceptionMessage () );
}