GetDataAccess - Amazon Simple Storage Service
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GetDataAccess

Returns a temporary access credential from S3 Access Grants to the grantee or client application. The temporary credential is an Amazon STS token that grants them access to the S3 data.

Permissions

You must have the s3:GetDataAccess permission to use this operation.

Additional Permissions

The IAM role that S3 Access Grants assumes must have the following permissions specified in the trust policy when registering the location: sts:AssumeRole, for directory users or groups sts:SetContext, and for IAM users or roles sts:SetSourceIdentity.

Request Syntax

GET /v20180820/accessgrantsinstance/dataaccess?durationSeconds=DurationSeconds&permission=Permission&privilege=Privilege&target=Target&targetType=TargetType HTTP/1.1 Host: s3-control.amazonaws.com.cn x-amz-account-id: AccountId

URI Request Parameters

The request uses the following URI parameters.

durationSeconds

The session duration, in seconds, of the temporary access credential that S3 Access Grants vends to the grantee or client application. The default value is 1 hour, but the grantee can specify a range from 900 seconds (15 minutes) up to 43200 seconds (12 hours). If the grantee requests a value higher than this maximum, the operation fails.

Valid Range: Minimum value of 900. Maximum value of 43200.

permission

The type of permission granted to your S3 data, which can be set to one of the following values:

  • READ – Grant read-only access to the S3 data.

  • WRITE – Grant write-only access to the S3 data.

  • READWRITE – Grant both read and write access to the S3 data.

Valid Values: READ | WRITE | READWRITE

Required: Yes

privilege

The scope of the temporary access credential that S3 Access Grants vends to the grantee or client application.

  • Default – The scope of the returned temporary access token is the scope of the grant that is closest to the target scope.

  • Minimal – The scope of the returned temporary access token is the same as the requested target scope as long as the requested scope is the same as or a subset of the grant scope.

Valid Values: Minimal | Default

target

The S3 URI path of the data to which you are requesting temporary access credentials. If the requesting account has an access grant for this data, S3 Access Grants vends temporary access credentials in the response.

Length Constraints: Minimum length of 1. Maximum length of 2000.

Pattern: ^.+$

Required: Yes

targetType

The type of Target. The only possible value is Object. Pass this value if the target data that you would like to access is a path to an object. Do not pass this value if the target data is a bucket or a bucket and a prefix.

Valid Values: Object

x-amz-account-id

The Amazon account ID of the S3 Access Grants instance.

Length Constraints: Maximum length of 64.

Pattern: ^\d{12}$

Required: Yes

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 <?xml version="1.0" encoding="UTF-8"?> <GetDataAccessResult> <Credentials> <AccessKeyId>string</AccessKeyId> <Expiration>timestamp</Expiration> <SecretAccessKey>string</SecretAccessKey> <SessionToken>string</SessionToken> </Credentials> <MatchedGrantTarget>string</MatchedGrantTarget> </GetDataAccessResult>

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in XML format by the service.

GetDataAccessResult

Root level tag for the GetDataAccessResult parameters.

Required: Yes

Credentials

The temporary credential token that S3 Access Grants vends.

Type: Credentials data type

MatchedGrantTarget

The S3 URI path of the data to which you are being granted temporary access credentials.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 2000.

Pattern: ^.+$

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: