Subversion-Projekte lars-tiefland.php_share

#! /usr/bin/env php
<?php
/*
 * Copyright 2010-2012 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * 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
 *
 * or in the "license" file accompanying this file. 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.
 */

/*
        PREREQUISITES:
        In order to run this sample, I'll assume a few things:

        * You already have a valid Amazon Web Services developer account, and are
          signed up to use Amazon S3 <http://aws.amazon.com/s3>.

        * You already understand the fundamentals of object-oriented PHP.

        * You've verified that your PHP environment passes the SDK Compatibility Test.

        * You've already added your credentials to your config.inc.php file, as per the
          instructions in the Getting Started Guide.

        TO RUN:
        * Run this file from the command line with `php cli-s3_progress_bar.php`.
*/


/*%******************************************************************************************%*/
// SETUP

        // Enable full-blown error reporting. http://twitter.com/rasmus/status/7448448829
        error_reporting(-1);

        // Set plain text headers
        header("Content-type: text/plain; charset=utf-8");

        // Include the SDK
        require_once '../sdk.class.php';

        // Include PEAR Console_ProgressBar
        require_once 'lib/ProgressBar.php';


/*%******************************************************************************************%*/
// DOWNLOAD SAMPLE FILE FROM S3

        // Instantiate the AmazonS3 class
        $s3 = new AmazonS3();

        // Instantiate a new progress bar.
        // We won't know the max number of bytes until the download starts, so we'll handle that in our callback.
        $progress_bar = new Console_ProgressBar('* %fraction% KB [%bar%] %percent%', '=>', ' ', 100, 1);
        $progress_bar->UPDATED = false;

        // Register a callback function to execute when a stream is written locally.
        $s3->register_streaming_write_callback('write_callback');

        function write_callback($curl_handle, $length)
        {
                // Import from global scope
                $progress_bar = $GLOBALS['progress_bar'];

                // Have we updated the format with updated information yet?
                if (!$progress_bar->UPDATED)
                {
                        // Add the Content-Length of the file as the max number of bytes.
                        $progress_bar->reset('* %fraction% KB [%bar%] %percent%', '=>', ' ', 100,
                                curl_getinfo($curl_handle, CURLINFO_CONTENT_LENGTH_DOWNLOAD));
                        $progress_bar->UPDATED = true;
                }

                // Update the progress bar with the cumulative number of bytes downloaded.
                $progress_bar->update(curl_getinfo($curl_handle, CURLINFO_SIZE_DOWNLOAD));
        }

        // Add some spacing above the progress bar.
        echo PHP_EOL;

        echo 'Downloading http://aws-sdk-for-php.s3.amazonaws.com/demo/big-buck-bunny.mp4' . PHP_EOL;
        echo 'Writing to ' . realpath('./downloads') . '/big-buck-bunny.mp4' . PHP_EOL;

        // Download a public object.
        $response = $s3->get_object('aws-sdk-for-php', 'demo/big-buck-bunny.mp4', array(
                'fileDownload' => './downloads/big-buck-bunny.mp4'
        ));

        // Add some spacing below the progress bar.
        echo PHP_EOL;


/*%******************************************************************************************%*/
// UPLOAD SAMPLE FILE TO S3

        $_100_percent = 0;

        // Create a bucket to upload to
        $bucket = 's3-progress-bar-' . strtolower($s3->key);
        if (!$s3->if_bucket_exists($bucket))
        {
                $response = $s3->create_bucket($bucket, AmazonS3::REGION_US_E1);
                if (!$response->isOK()) die('Could not create `' . $bucket . '`.');
        }

        // Instantiate a new progress bar.
        // We won't know the max number of bytes until the download starts, so we'll handle that in our callback.
        $progress_bar = new Console_ProgressBar('* %fraction% KB [%bar%] %percent%', '=>', ' ', 100, 1);
        $progress_bar->UPDATED = false;

        // Register a callback function to execute when a stream is written locally.
        $s3->register_streaming_read_callback('read_callback');

        function read_callback($curl_handle, $file_handle, $length)
        {
                // Import from global scope
                $progress_bar = $GLOBALS['progress_bar'];

                // Have we updated the format with updated information yet?
                if (!$progress_bar->UPDATED)
                {
                        // Store the total size in local & global scope
                        $_100_percent = $GLOBALS['_100_percent'] = curl_getinfo($curl_handle, CURLINFO_CONTENT_LENGTH_UPLOAD);

                        // Add the Content-Length of the file as the max number of bytes.
                        $progress_bar->reset('* %fraction% KB [%bar%] %percent%', '=>', ' ', 100, $_100_percent);
                        $progress_bar->UPDATED = true;
                }

                // Update the progress bar with the cumulative number of bytes uploaded.
                $progress_bar->update(curl_getinfo($curl_handle, CURLINFO_SIZE_UPLOAD));
        }

        // Add some spacing above the progress bar.
        echo PHP_EOL;

        echo 'Uploading to http://' . $bucket . '.s3.amazonaws.com/big-buck-bunny.mp4' . PHP_EOL;
        echo 'Reading from ' . realpath('./downloads') . '/big-buck-bunny.mp4' . PHP_EOL;

        // Upload an object.
        $response = $s3->create_object($bucket, 'big-buck-bunny.mp4', array(
                'fileUpload' => './downloads/big-buck-bunny.mp4'
        ));

        // The "read" callback doesn't fire after the last bits are uploaded (it could end at 99.x%), so
        // manually set the upload to 100%.
        $progress_bar->update($_100_percent);

        // Add some spacing below the progress bar.
        echo PHP_EOL . PHP_EOL;