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Returns the Cross-Origin Resource Sharing (CORS) configuration information set for the bucket.
To use this operation, you must have permission to perform the s3:GetBucketCORS
action. By default, the bucket owner has this permission and can grant it to others.
When you use this API operation with an access point, provide the alias of the access point in place of the bucket name.
When you use this API operation with an Object Lambda access point, provide the alias of the Object Lambda access point in place of the bucket name. If the Object Lambda access point alias in a request is not valid, the error code InvalidAccessPointAliasError
is returned. For more information about InvalidAccessPointAliasError
, see List of Error Codes .
For more information about CORS, see Enabling Cross-Origin Resource Sharing .
The following operations are related to GetBucketCors
:
See also: AWS API Documentation
get-bucket-cors
--bucket <value>
[--expected-bucket-owner <value>]
[--cli-input-json <value>]
[--generate-cli-skeleton <value>]
[--debug]
[--endpoint-url <value>]
[--no-verify-ssl]
[--no-paginate]
[--output <value>]
[--query <value>]
[--profile <value>]
[--region <value>]
[--version <value>]
[--color <value>]
[--no-sign-request]
[--ca-bundle <value>]
[--cli-read-timeout <value>]
[--cli-connect-timeout <value>]
--bucket
(string)
The bucket name for which to get the cors configuration.
When you use this API operation with an access point, provide the alias of the access point in place of the bucket name.
When you use this API operation with an Object Lambda access point, provide the alias of the Object Lambda access point in place of the bucket name. If the Object Lambda access point alias in a request is not valid, the error code
InvalidAccessPointAliasError
is returned. For more information aboutInvalidAccessPointAliasError
, see List of Error Codes .
--expected-bucket-owner
(string)
The account ID of the expected bucket owner. If the account ID that you provide does not match the actual owner of the bucket, the request fails with the HTTP status code403 Forbidden
(access denied).
--cli-input-json
(string)
Performs service operation based on the JSON string provided. The JSON string follows the format provided by --generate-cli-skeleton
. If other arguments are provided on the command line, the CLI values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally.
--generate-cli-skeleton
(string)
Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value input
, prints a sample input JSON that can be used as an argument for --cli-input-json
. If provided with the value output
, it validates the command inputs and returns a sample output JSON for that command.
--debug
(boolean)
Turn on debug logging.
--endpoint-url
(string)
Override command's default URL with the given URL.
--no-verify-ssl
(boolean)
By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates.
--no-paginate
(boolean)
Disable automatic pagination. If automatic pagination is disabled, the AWS CLI will only make one call, for the first page of results.
--output
(string)
The formatting style for command output.
--query
(string)
A JMESPath query to use in filtering the response data.
--profile
(string)
Use a specific profile from your credential file.
--region
(string)
The region to use. Overrides config/env settings.
--version
(string)
Display the version of this tool.
--color
(string)
Turn on/off color output.
--no-sign-request
(boolean)
Do not sign requests. Credentials will not be loaded if this argument is provided.
--ca-bundle
(string)
The CA certificate bundle to use when verifying SSL certificates. Overrides config/env settings.
--cli-read-timeout
(int)
The maximum socket read time in seconds. If the value is set to 0, the socket read will be blocking and not timeout. The default value is 60 seconds.
--cli-connect-timeout
(int)
The maximum socket connect time in seconds. If the value is set to 0, the socket connect will be blocking and not timeout. The default value is 60 seconds.
To use the following examples, you must have the AWS CLI installed and configured. See the Getting started guide in the AWS CLI User Guide for more information.
Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal's quoting rules. See Using quotation marks with strings in the AWS CLI User Guide .
The following command retrieves the Cross-Origin Resource Sharing configuration for a bucket named my-bucket
:
aws s3api get-bucket-cors --bucket my-bucket
Output:
{
"CORSRules": [
{
"AllowedHeaders": [
"*"
],
"ExposeHeaders": [
"x-amz-server-side-encryption"
],
"AllowedMethods": [
"PUT",
"POST",
"DELETE"
],
"MaxAgeSeconds": 3000,
"AllowedOrigins": [
"http://www.example.com"
]
},
{
"AllowedHeaders": [
"Authorization"
],
"MaxAgeSeconds": 3000,
"AllowedMethods": [
"GET"
],
"AllowedOrigins": [
"*"
]
}
]
}
CORSRules -> (list)
A set of origins and methods (cross-origin access that you want to allow). You can add up to 100 rules to the configuration.
(structure)
Specifies a cross-origin access rule for an Amazon S3 bucket.
ID -> (string)
Unique identifier for the rule. The value cannot be longer than 255 characters.AllowedHeaders -> (list)
Headers that are specified in the
Access-Control-Request-Headers
header. These headers are allowed in a preflight OPTIONS request. In response to any preflight OPTIONS request, Amazon S3 returns any requested headers that are allowed.(string)
AllowedMethods -> (list)
An HTTP method that you allow the origin to execute. Valid values are
GET
,PUT
,HEAD
,POST
, andDELETE
.(string)
AllowedOrigins -> (list)
One or more origins you want customers to be able to access the bucket from.
(string)
ExposeHeaders -> (list)
One or more headers in the response that you want customers to be able to access from their applications (for example, from a JavaScript
XMLHttpRequest
object).(string)
MaxAgeSeconds -> (integer)
The time in seconds that your browser is to cache the preflight response for the specified resource.