PrepareUpload - ENS - Alibaba Cloud Documentation Center

Prepares the upload and obtains the location of the bucket.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
ens:PrepareUpload	none	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
BucketName	string	Yes	The name of the bucket.	test
ClientIp	string	No	The specified IP address. This parameter is applicable to scenarios where the user IP address is inconsistent with the operation calling IP address, such as the scenario where the server obtains authorization and sends the authorization to the client.	180.166.XX.XXX

Response parameters

Parameter	Type	Description	Example
	object	Schema of Response.
RequestId	string	The request ID.	6666C5A5-75ED-422E-A022-7121FA18C968
BucketName	string	The name of the bucket. This parameter is available only when the OSS SDK is used.	test-xxxxxx
Endpoint	string	The endpoint. This parameter is available only when the OSS SDK is used.	eos.aliyuncs.com

Examples

Sample success responses

JSONformat

{
  "RequestId": "6666C5A5-75ED-422E-A022-7121FA18C968",
  "BucketName": "test-xxxxxx",
  "Endpoint": "eos.aliyuncs.com"
}

Error codes

HTTP status code	Error code	Error message
400	Invalid%s	Specified parameter %s is not valid
400	InvalidaliUid	Specified parameter aliUid is not valid
400	InvalidBucketName	Specified parameter BucketName is not valid
400	InvalidClientIp	Specified parameter ClientIp is not valid
400	NoPermission	Permission denied.
400	InvalidParameter.%s	The specified field %s invalid. Please check it again.
403	AccessDenied	auth is not valid
404	NoSuchBucket	The specified bucket does not exist

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation

No change history