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PresignedPost.php

PresignedPost.php demonstrates how to presign a POST request so that a user can send items to your Amazon S3 bucket without having to sign into your AWS Account. This is often used in connection with a form.

<?php /** * Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * This file is licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. A copy of * the License is located at * * http://aws.amazon.com/apache2.0/ * * This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, either express or implied. See the License for the * specific language governing permissions and limitations under the License. * * ABOUT THIS PHP SAMPLE: This sample is part of the SDK for PHP Developer Guide topic at * https://docs.aws.amazon.com/sdk-for-php/v3/developer-guide/service/s3-presigned-post.html * */ require 'vendor/autoload.php'; use Aws\S3\S3Client; use Aws\Exception\AwsException; $client = new \Aws\S3\S3Client([ 'profile' => 'default', 'version' => 'latest', 'region' => 'us-west-2', ]); $bucket = 'mybucket'; // Set some defaults for form input fields $formInputs = ['acl' => 'public-read']; // Construct an array of conditions for policy $options = [ ['acl' => 'public-read'], ['bucket' => $bucket], ['starts-with', '$key', 'user/eric/'], ]; // Optional: configure expiration time string $expires = '+2 hours'; $postObject = new \Aws\S3\PostObjectV4( $client, $bucket, $formInputs, $options, $expires ); // Get attributes to set on an HTML form, e.g., action, method, enctype $formAttributes = $postObject->getFormAttributes(); // Get form input fields. This will include anything set as a form input in // the constructor, the provided JSON policy, your AWS access key ID, and an // auth signature. $formInputs = $postObject->getFormInputs();

Sample Details

Service: s3

Last tested: 2018-09-20

Author: jschwarzwalder (AWS)

Type: full-example

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