Upload to Azure Storage with PHP

  1<?php
  2
  3# reference autoload
  4require_once(realpath($_SERVER["DOCUMENT_ROOT"]) . '/vendor/autoload.php');
  5
  6# imports
  7use MicrosoftAzure\Storage\Blob\Models\CreateBlockBlobOptions;
  8use MicrosoftAzure\Storage\Blob\BlobRestProxy;
  9
 10## adds file to the storage. Usage: storageAddFile("myContainer", "C:\path\to\file.png", "filename-on-storage.png")
 11function storageAddFile($containerName, $file, $fileName)
 12{
 13    # Setup a specific instance of an Azure::Storage::Client
 14    $connectionString = "DefaultEndpointsProtocol=https;AccountName=".getenv('STORAGE_ACCOUNT_NAME').";AccountKey=".getenv('STORAGE_ACCOUNT_KEY');
 15    // Create blob client.
 16    $blobClient = BlobRestProxy::createBlobService($connectionString);
 17
 18    $handle = @fopen($file, "r");
 19    if($handle)
 20    {
 21        $options = new CreateBlockBlobOptions();
 22        $mime = NULL;
 23
 24        try
 25        {
 26            // identify mime type
 27            $mimes = new \Mimey\MimeTypes;
 28            $mime = $mimes->getMimeType(pathinfo($fileName, PATHINFO_EXTENSION));
 29            // set content type
 30            $options->setContentType($mime);
 31        }
 32        catch ( Exception $e )
 33        {
 34            error_log("Failed to read mime from '".$file.": ". $e);
 35        } 
 36
 37        try
 38        {
 39            if($mime)
 40            {
 41                $cacheTime = getCacheTimeByMimeType($mime);
 42                if($cacheTime)
 43                {
 44                    $options->setCacheControl("public, max-age=".$cacheTime);
 45                }
 46            }
 47
 48            $blobClient->createBlockBlob($containerName, $fileName, $handle, $options);
 49        } catch ( Exception $e ) {
 50            error_log("Failed to upload file '".$file."' to storage: ". $e);
 51        } 
 52
 53        @fclose($handle);
 54        return true;
 55    } else {        
 56        error_log("Failed to open file '".$file."' to upload to storage.");
 57        return false;
 58    }
 59}
 60
 61## get cache time by mime type
 62function getCacheTimeByMimeType($mime)
 63{  
 64    $mime = strtolower($mime);
 65
 66    $types = array(
 67        "application/json" => 604800,// 7 days
 68        "application/javascript" => 604800,// 7 days
 69        "application/xml" => 604800,// 7 days
 70        "application/xhtml+xml" => 604800,// 7 days
 71        "image/bmp" => 604800,// 7 days
 72        "image/gif" => 604800,// 7 days
 73        "image/jpeg" => 604800,// 7 days
 74        "image/png" => 604800,// 7 days
 75        "image/tiff" => 604800,// 7 days
 76        "image/svg+xml" => 604800,// 7 days
 77        "image/x-icon" => 604800,// 7 days
 78        "text/plain" => 604800, // 7 days
 79        "text/html" => 604800,// 7 days
 80        "text/css" => 604800,// 7 days
 81        "text/richtext" => 604800,// 7 days
 82        "text/xml" => 604800,// 7 days
 83    );
 84
 85    // return value
 86    if(array_key_exists($mime, $types))
 87    {
 88        return $types[$mime];
 89    }
 90
 91    return FALSE;
 92}
 93
 94## removes file from the storage. Usage: storageAddFile("myContainer", "filename-on-storage.png")
 95function storageRemoveFile($containerName, $fileName)
 96{
 97    # Setup a specific instance of an Azure::Storage::Client
 98    $connectionString = "DefaultEndpointsProtocol=https;AccountName=".getenv('STORAGE_ACCOUNT_NAME').";AccountKey=".getenv('STORAGE_ACCOUNT_KEY');
 99    // Create blob client.
100    $blobClient = BlobRestProxy::createBlobService($connectionString);
101
102    try
103    {
104        $blobClient->deleteBlob($containerName, $fileName);
105    } catch ( Exception $e ) {
106        error_log("Failed to delete file '".$fileName."' from storage");
107    } 
108
109    return true;
110}
111?>