(PHP Extension) Upload using Azure Storage Account Shared Access Signature (SAS) Authorization

Sample code to upload binary bytes to a block blob in Azure Cloud Storage using an Azure Storage Account Shared Access Signature (SAS) Authorization. This creates a block blob, or replaces an existing block blob.

Note: The maximum size of a block blob created by uploading in a single step is 64MB. For larger files, the upload must be broken up into blocks. There is another Chilkat example for that..

Note: This example requires Chilkat v9.5.0.65 or later.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// Note: This example requires Chilkat v9.5.0.65 or greater.

// Azure Blob Service Example: Upload binary bytes to a block blob.
// This uses a Shared Access Signature (SAS) for Authorization.
// This creates a new block blob or replaces an existing one in its entirety.
// See also: https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$rest = new CkRest();

// Connect to the Azure Storage Blob Service
$bTls = true;
$port = 443;
$bAutoReconnect = true;
// In this example, the storage account name is "chilkat".
$success = $rest->Connect('chilkat.blob.core.windows.net',$port,$bTls,$bAutoReconnect);
if ($success != true) {
    print $rest->lastErrorText() . "\n";
    exit;
}

// ----------------------------------------------------------------------------------------------
// The code above this comment could be placed inside a function/subroutine within the application
// because the connection does not need to be made for every request.  Once the connection is made
// the app may send many requests..
// ----------------------------------------------------------------------------------------------

// Note: The application does not need to explicitly set the following
// headers: Content-Length, x-ms-date, Authorization.  These headers
// are automatically set by Chilkat.

// Let's load a previously computed Azure Storage Account SAS token and use it.
// See How to Create an Azure Storage Account Shared Access Signature
$sbToken = new CkStringBuilder();
$success = $sbToken->LoadFile('qa_data/tokens/azureStorageAccountSas.txt','utf-8');
if ($success != true) {
    print 'Failed to load SAS token.' . "\n";
    exit;
}

// Add the Shared Access Signature query params for authorization.
$rest->AddQueryParams($sbToken->getAsString());

// IMPORTANT: Make sure to set the x-ms-blob-type header:
$success = $rest->AddHeader('x-ms-blob-type','BlockBlob');

// IMPORTANT: Make sure to add the x-ms-date header.
// When the header name is "x-ms-date", Chilkat will recognize the keyword "NOW" 
// and will substitute the current system date/time formatted as required by Microsoft.
$success = $rest->AddHeader('x-ms-date','NOW');

// For this example, we'll just load a JPG file into memory..
$binData = new CkBinData();
$success = $binData->LoadFile('qa_data/jpg/starfish.jpg');
if ($success != true) {
    print 'Failed to load JPG file.' . "\n";
    exit;
}

// Note: The maximum size of a block blob created by uploading in a single step is 64MB.  
// For larger files, the upload must be broken up into blocks.  There is another Chilkat example for that..
$sbResponse = new CkStringBuilder();
$success = $rest->FullRequestBd('PUT','/mycontainer/starfish.jpg',$binData,$sbResponse);
if ($success != true) {
    print $rest->lastErrorText() . "\n";
    exit;
}

// When successful, the Azure Storage service will respond with a 201 response status code,
// with no response body.
if ($rest->get_ResponseStatusCode() != 201) {
    // Examine the request/response to see what happened.
    print 'response status code = ' . $rest->get_ResponseStatusCode() . "\n";
    print 'response status text = ' . $rest->responseStatusText() . "\n";
    print 'response header: ' . $rest->responseHeader() . "\n";
    print 'response body (if any): ' . $sbResponse->getAsString() . "\n";
    print '---' . "\n";
    print 'LastRequestStartLine: ' . $rest->lastRequestStartLine() . "\n";
    print 'LastRequestHeader: ' . $rest->lastRequestHeader() . "\n";
    print 'Failed.' . "\n";
    exit;
}

print 'Success.' . "\n";

?>