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diff --git a/doc/radosgw/s3/php.rst b/doc/radosgw/s3/php.rst new file mode 100644 index 000000000..4878a3489 --- /dev/null +++ b/doc/radosgw/s3/php.rst @@ -0,0 +1,214 @@ +.. _php: + +PHP S3 Examples +=============== + +Installing AWS PHP SDK +---------------------- + +This installs AWS PHP SDK using composer (see here_ how to install composer). + +.. _here: https://getcomposer.org/download/ + +.. code-block:: bash + + $ composer install aws/aws-sdk-php + +Creating a Connection +--------------------- + +This creates a connection so that you can interact with the server. + +.. note:: + + The client initialization requires a region so we use ``''``. + +.. code-block:: php + + <?php + + use Aws\S3\S3Client; + + define('AWS_KEY', 'place access key here'); + define('AWS_SECRET_KEY', 'place secret key here'); + $ENDPOINT = 'http://objects.dreamhost.com'; + + // require the amazon sdk from your composer vendor dir + require __DIR__.'/vendor/autoload.php'; + + // Instantiate the S3 class and point it at the desired host + $client = new S3Client([ + 'region' => '', + 'version' => '2006-03-01', + 'endpoint' => $ENDPOINT, + 'credentials' => [ + 'key' => AWS_KEY, + 'secret' => AWS_SECRET_KEY + ], + // Set the S3 class to use objects.dreamhost.com/bucket + // instead of bucket.objects.dreamhost.com + 'use_path_style_endpoint' => true + ]); + +Listing Owned Buckets +--------------------- +This gets a ``AWS\Result`` instance that is more convenient to visit using array access way. +This also prints out the bucket name and creation date of each bucket. + +.. code-block:: php + + <?php + $listResponse = $client->listBuckets(); + $buckets = $listResponse['Buckets']; + foreach ($buckets as $bucket) { + echo $bucket['Name'] . "\t" . $bucket['CreationDate'] . "\n"; + } + +The output will look something like this:: + + mahbuckat1 2011-04-21T18:05:39.000Z + mahbuckat2 2011-04-21T18:05:48.000Z + mahbuckat3 2011-04-21T18:07:18.000Z + + +Creating a Bucket +----------------- + +This creates a new bucket called ``my-new-bucket`` and returns a +``AWS\Result`` object. + +.. code-block:: php + + <?php + $client->createBucket(['Bucket' => 'my-new-bucket']); + + +List a Bucket's Content +----------------------- + +This gets a ``AWS\Result`` instance that is more convenient to visit using array access way. +This then prints out each object's name, the file size, and last modified date. + +.. code-block:: php + + <?php + $objectsListResponse = $client->listObjects(['Bucket' => $bucketname]); + $objects = $objectsListResponse['Contents'] ?? []; + foreach ($objects as $object) { + echo $object['Key'] . "\t" . $object['Size'] . "\t" . $object['LastModified'] . "\n"; + } + +.. note:: + + If there are more than 1000 objects in this bucket, + you need to check $objectsListResponse['isTruncated'] + and run again with the name of the last key listed. + Keep doing this until isTruncated is not true. + +The output will look something like this if the bucket has some files:: + + myphoto1.jpg 251262 2011-08-08T21:35:48.000Z + myphoto2.jpg 262518 2011-08-08T21:38:01.000Z + + +Deleting a Bucket +----------------- + +This deletes the bucket called ``my-old-bucket`` and returns a +``AWS\Result`` object + +.. note:: + + The Bucket must be empty! Otherwise it won't work! + +.. code-block:: php + + <?php + $client->deleteBucket(['Bucket' => 'my-old-bucket']); + + +Creating an Object +------------------ + +This creates an object ``hello.txt`` with the string ``"Hello World!"`` + +.. code-block:: php + + <?php + $client->putObject([ + 'Bucket' => 'my-bucket-name', + 'Key' => 'hello.txt', + 'Body' => "Hello World!" + ]); + + +Change an Object's ACL +---------------------- + +This makes the object ``hello.txt`` to be publicly readable and +``secret_plans.txt`` to be private. + +.. code-block:: php + + <?php + $client->putObjectAcl([ + 'Bucket' => 'my-bucket-name', + 'Key' => 'hello.txt', + 'ACL' => 'public-read' + ]); + $client->putObjectAcl([ + 'Bucket' => 'my-bucket-name', + 'Key' => 'secret_plans.txt', + 'ACL' => 'private' + ]); + + +Delete an Object +---------------- + +This deletes the object ``goodbye.txt`` + +.. code-block:: php + + <?php + $client->deleteObject(['Bucket' => 'my-bucket-name', 'Key' => 'goodbye.txt']); + + +Download an Object (to a file) +------------------------------ + +This downloads the object ``poetry.pdf`` and saves it in +``/home/larry/documents/`` + +.. code-block:: php + + <?php + $object = $client->getObject(['Bucket' => 'my-bucket-name', 'Key' => 'poetry.pdf']); + file_put_contents('/home/larry/documents/poetry.pdf', $object['Body']->getContents()); + +Generate Object Download URLs (signed and unsigned) +--------------------------------------------------- + +This generates an unsigned download URL for ``hello.txt``. +This works because we made ``hello.txt`` public by setting +the ACL above. This then generates a signed download URL +for ``secret_plans.txt`` that will work for 1 hour. +Signed download URLs will work for the time period even +if the object is private (when the time period is up, +the URL will stop working). + +.. code-block:: php + + <?php + $hello_url = $client->getObjectUrl('my-bucket-name', 'hello.txt'); + echo $hello_url."\n"; + + $secret_plans_cmd = $client->getCommand('GetObject', ['Bucket' => 'my-bucket-name', 'Key' => 'secret_plans.txt']); + $request = $client->createPresignedRequest($secret_plans_cmd, '+1 hour'); + echo $request->getUri()."\n"; + +The output of this will look something like:: + + http://objects.dreamhost.com/my-bucket-name/hello.txt + http://objects.dreamhost.com/my-bucket-name/secret_plans.txt?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=sandboxAccessKey%2F20190116%2F%2Fs3%2Faws4_request&X-Amz-Date=20190116T125520Z&X-Amz-SignedHeaders=host&X-Amz-Expires=3600&X-Amz-Signature=61921f07c73d7695e47a2192cf55ae030f34c44c512b2160bb5a936b2b48d923 + |