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@aws-sdk/client-s3

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AWS SDK for JavaScript S3 Client for Node.js, Browser and React Native

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import { Command as $Command } from "@smithy/smithy-client"; import type { MetadataBearer as __MetadataBearer } from "@smithy/types"; import type { GetBucketPolicyOutput, GetBucketPolicyRequest } from "../models/models_0"; import type { S3ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes } from "../S3Client"; /** * @public */ export type { __MetadataBearer }; export { $Command }; /** * @public * * The input for {@link GetBucketPolicyCommand}. */ export interface GetBucketPolicyCommandInput extends GetBucketPolicyRequest { } /** * @public * * The output of {@link GetBucketPolicyCommand}. */ export interface GetBucketPolicyCommandOutput extends GetBucketPolicyOutput, __MetadataBearer { } declare const GetBucketPolicyCommand_base: { new (input: GetBucketPolicyCommandInput): import("@smithy/smithy-client").CommandImpl<GetBucketPolicyCommandInput, GetBucketPolicyCommandOutput, S3ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>; new (input: GetBucketPolicyCommandInput): import("@smithy/smithy-client").CommandImpl<GetBucketPolicyCommandInput, GetBucketPolicyCommandOutput, S3ClientResolvedConfig, ServiceInputTypes, ServiceOutputTypes>; getEndpointParameterInstructions(): import("@smithy/middleware-endpoint").EndpointParameterInstructions; }; /** * <p>Returns the policy of a specified bucket.</p> * <note> * <p> * <b>Directory buckets </b> - For directory buckets, you must make requests for this API operation to the Regional endpoint. These endpoints support path-style requests in the format <code>https://s3express-control.<i>region-code</i>.amazonaws.com/<i>bucket-name</i> * </code>. Virtual-hosted-style requests aren't supported. * For more information about endpoints in Availability Zones, see <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/endpoint-directory-buckets-AZ.html">Regional and Zonal endpoints for directory buckets in Availability Zones</a> in the * <i>Amazon S3 User Guide</i>. For more information about endpoints in Local Zones, see <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-lzs-for-directory-buckets.html">Concepts for directory buckets in Local Zones</a> in the * <i>Amazon S3 User Guide</i>.</p> * </note> * <dl> * <dt>Permissions</dt> * <dd> * <p>If you are using an identity other than the root user of the Amazon Web Services account that owns the * bucket, the calling identity must both have the <code>GetBucketPolicy</code> permissions on the * specified bucket and belong to the bucket owner's account in order to use this operation.</p> * <p>If you don't have <code>GetBucketPolicy</code> permissions, Amazon S3 returns a <code>403 Access * Denied</code> error. If you have the correct permissions, but you're not using an identity that * belongs to the bucket owner's account, Amazon S3 returns a <code>405 Method Not Allowed</code> * error.</p> * <important> * <p>To ensure that bucket owners don't inadvertently lock themselves out of their own buckets, * the root principal in a bucket owner's Amazon Web Services account can perform the * <code>GetBucketPolicy</code>, <code>PutBucketPolicy</code>, and * <code>DeleteBucketPolicy</code> API actions, even if their bucket policy explicitly denies the * root principal's access. Bucket owner root principals can only be blocked from performing these * API actions by VPC endpoint policies and Amazon Web Services Organizations policies.</p> * </important> * <ul> * <li> * <p> * <b>General purpose bucket permissions</b> - The * <code>s3:GetBucketPolicy</code> permission is required in a policy. For more information * about general purpose buckets bucket policies, see <a href="https://docs.aws.amazon.com/AmazonS3/latest/dev/using-iam-policies.html">Using Bucket Policies and User * Policies</a> in the <i>Amazon S3 User Guide</i>.</p> * </li> * <li> * <p> * <b>Directory bucket permissions</b> - To grant access to * this API operation, you must have the <code>s3express:GetBucketPolicy</code> permission in * an IAM identity-based policy instead of a bucket policy. Cross-account access to this API operation isn't supported. This operation can only be performed by the Amazon Web Services account that owns the resource. * For more information about directory bucket policies and permissions, see <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-express-security-iam.html">Amazon Web Services Identity and Access Management (IAM) for S3 Express One Zone</a> in the <i>Amazon S3 User Guide</i>.</p> * </li> * </ul> * </dd> * <dt>Example bucket policies</dt> * <dd> * <p> * <b>General purpose buckets example bucket policies</b> - See <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/example-bucket-policies.html">Bucket policy * examples</a> in the <i>Amazon S3 User Guide</i>.</p> * <p> * <b>Directory bucket example bucket policies</b> - See <a href="https://docs.aws.amazon.com/AmazonS3/latest/userguide/s3-express-security-iam-example-bucket-policies.html">Example * bucket policies for S3 Express One Zone</a> in the <i>Amazon S3 User Guide</i>.</p> * </dd> * <dt>HTTP Host header syntax</dt> * <dd> * <p> * <b>Directory buckets </b> - The HTTP Host header syntax is <code>s3express-control.<i>region-code</i>.amazonaws.com</code>.</p> * </dd> * </dl> * <p>The following action is related to <code>GetBucketPolicy</code>:</p> * <ul> * <li> * <p> * <a href="https://docs.aws.amazon.com/AmazonS3/latest/API/API_GetObject.html">GetObject</a> * </p> * </li> * </ul> * <important> * <p>You must URL encode any signed header values that contain spaces. For example, if your header value is <code>my file.txt</code>, containing two spaces after <code>my</code>, you must URL encode this value to <code>my%20%20file.txt</code>.</p> * </important> * @example * Use a bare-bones client and the command you need to make an API call. * ```javascript * import { S3Client, GetBucketPolicyCommand } from "@aws-sdk/client-s3"; // ES Modules import * // const { S3Client, GetBucketPolicyCommand } = require("@aws-sdk/client-s3"); // CommonJS import * // import type { S3ClientConfig } from "@aws-sdk/client-s3"; * const config = {}; // type is S3ClientConfig * const client = new S3Client(config); * const input = { // GetBucketPolicyRequest * Bucket: "STRING_VALUE", // required * ExpectedBucketOwner: "STRING_VALUE", * }; * const command = new GetBucketPolicyCommand(input); * const response = await client.send(command); * // { // GetBucketPolicyOutput * // Policy: "STRING_VALUE", * // }; * * ``` * * @param GetBucketPolicyCommandInput - {@link GetBucketPolicyCommandInput} * @returns {@link GetBucketPolicyCommandOutput} * @see {@link GetBucketPolicyCommandInput} for command's `input` shape. * @see {@link GetBucketPolicyCommandOutput} for command's `response` shape. * @see {@link S3ClientResolvedConfig | config} for S3Client's `config` shape. * * @throws {@link S3ServiceException} * <p>Base exception class for all service exceptions from S3 service.</p> * * * @example To get bucket policy * ```javascript * // The following example returns bucket policy associated with a bucket. * const input = { * Bucket: "examplebucket" * }; * const command = new GetBucketPolicyCommand(input); * const response = await client.send(command); * /* response is * { * Policy: `{"Version":"2008-10-17",&TCX5-2025-waiver;"Id":"LogPolicy","Statement":[{"Sid":"Enables the log delivery group to publish logs to your bucket ","Effect":"Allow","Principal":{"AWS":"111122223333"},"Action":["s3:GetBucketAcl","s3:GetObjectAcl","s3:PutObject"],"Resource":["arn:aws:s3:::policytest1/*","arn:aws:s3:::policytest1"]}]}` * } * *\/ * ``` * * @public */ export declare class GetBucketPolicyCommand extends GetBucketPolicyCommand_base { /** @internal type navigation helper, not in runtime. */ protected static __types: { api: { input: GetBucketPolicyRequest; output: GetBucketPolicyOutput; }; sdk: { input: GetBucketPolicyCommandInput; output: GetBucketPolicyCommandOutput; }; }; }