Create SAS

composer.json

{
    "name": "kaz/sastest",
    "authors": [
        {
            "name": "Kaz Watanabe",
            "email": ""
        }
    ],
    "require": {
        "microsoft/azure-storage-blob": "^1.4",
        "guzzlehttp/guzzle": "^6.4",
        "cakephp/chronos": "^1.2"
    }
}

example.php

<?php
require './vendor/autoload.php';

use Cake\Chronos\Chronos;
use GuzzleHttp\Client;
use MicrosoftAzure\Storage\Blob\BlobSharedAccessSignatureHelper;
use MicrosoftAzure\Storage\Blob\Internal\BlobResources;
use MicrosoftAzure\Storage\Common\Internal\Resources;

$accountName = getenv('STORAGE_ACCOUNT_NAME');
$accountKey = getenv('STORAGE_ACCOUNT_KEY');
$containerName = getenv('CONTAINER_NAME');

$helper = new BlobSharedAccessSignatureHelper($accountName, $accountKey);
$sas = $helper->generateBlobServiceSharedAccessSignatureToken(
    Resources::RESOURCE_TYPE_BLOB,
    "{$containerName}/composer.json",
    'w',
    Chronos::now(new \DateTimeZone('UTC'))->addSeconds(60)->format('Y-m-d\TH:i:s\Z'),
    Chronos::now(new \DateTimeZone('UTC'))->subSeconds(10)->format('Y-m-d\TH:i:s\Z'),
    '', // リクエスト元のIPアドレス
    'https'
);

echo "sas: {$sas}\n";

try {
    $client = new Client(['base_uri' => sprintf('https://%s.%s/%s/', $accountName, Resources::BLOB_BASE_DNS_NAME, $containerName)]);

    $response = $client->put('composer.json', [
        'body' => file_get_contents('./composer.json'),
        'headers' => [
            'x-ms-version' => BlobResources::STORAGE_API_LATEST_VERSION,
            'x-ms-blob-type' => 'BlockBlob',
        ],
        'query' => $sas,
    ]);

    echo sprintf("StatusCode: %d\n", $response->getStatusCode());
} catch(\Exception $e) {
    echo sprintf("StatusCode: %d\n", $e->getCode());
    echo $e->getMessage() . "\n";
}