Under Construction This proposal is under construction and is not ready for review.

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Zend Framework: Zend_Service_Amazon_S3 Component Proposal

Table of Contents

1. Overview

Zend_Service_Amazon_S3 is an implementation of a PHP user-stream wrapper for Amazon's Simple Storage Service (S3)

2. References

• Amazon S3 Developer's Guide

3. Component Requirements, Constraints, and Acceptance Criteria

• This component will implement the Amazon S3 API
• This component will use Zend_Http_Client to communicate with S3
• This component will implement a user-based stream wrapper for S3 (s3://)

4. Dependencies on Other Framework Components

• Zend_Http_Client

5. Theory of Operation

This component will be utilized using the stream_wrapper_register() PHP method to register a new user-based stream interface to S3. This allows the user to utilize existing fread(), fwrite(), fclose(), mkdir(), rmdir(), and stat() methods to directly interface with S3 buckets and objects.

6. Milestones / Tasks

• Milestone 1: [DONE] Design notes will be published here
• Milestone 2: Working prototype checked into the incubator supporting use cases
• Milestone 3: Unit tests exist, work, and are checked into SVN.
• Milestone 4: Initial documentation exists.

7. Class Index

• Zend_Service_Amazon_S3

8. Use Cases

require_once 'S3.php';

define('AWS_ACCESS_KEY', 'my-access-key');
define('AWS_SECRET_KEY', 'my-secret-key');

S3::setKeys(AWS_ACCESS_KEY, AWS_SECRET_KEY);

if (!stream_wrapper_register('s3', 'S3')) {
echo 'Could not register S3 stream';
exit(0);
}

mkdir('s3://php-test');

$f = fopen('s3://php-test/file.txt', 'w');
for ($i = 0; $i <= 10000; $i++) {
fwrite($f, "Line #$i");
}
fclose($f);

$f = fopen('s3://php-test/file.txt', 'r');

$data = '';
while (!feof($f)) {
$data .= fread($f, 1024);
}
fclose($f);

echo '<hr>';
echo nl2br($data);
echo '<hr/>';

$e = opendir('s3://');
while (($f = readdir($e)) !== false) {
echo "BUCKET: $f<BR>";
}
closedir($e);

$stat = stat('s3://php-test/file.txt');
var_dump($stat);

$stat = stat('s3://php-test');
var_dump($stat);

unlink('s3://php-test/file.txt');
rmdir('s3://php-test');

9. Class Skeletons