Upload media to azure blob storage and generate a media url

upload_media_to_azure_and_retrieve_blob_url.php

<?php
    public function uploadToAzureCloud($request)
    {
        try {

           
            $storageAccountName = config('services.azure_storage.account_name');
            $containerName = config('services.azure_storage.container');
            $accessKey = config('services.azure_storage.key');

            if ($request->hasFile('file')) {

                $file = $request->file('file');
                $orignalFileName = $file->getClientOriginalName();

                $blobName =  $file->hashName();

                $fileSize = filesize($file->path());

                $dateTime = gmdate('D, d M Y H:i:s \G\M\T');

                $urlResource = "/$storageAccountName/$containerName/{$blobName}";

                $headerResource = "x-ms-blob-cache-control:max-age=3600\nx-ms-blob-type:BlockBlob\nx-ms-date:$dateTime\nx-ms-version:2019-12-12";

                // Generate signature
                $arraysign = [];                     // initiate an empty array (don't remove this 🙂)
                $arraysign[] = 'PUT';               /*HTTP Verb*/
                $arraysign[] = '';                  /*Content-Encoding*/
                $arraysign[] = '';                  /*Content-Language*/
                $arraysign[] = $fileSize;           /*Content-Length (include value when zero)*/
                $arraysign[] = '';                  /*Content-MD5*/
                $arraysign[] = 'image/png';         /*Content-Type*/
                $arraysign[] = '';                  /*Date*/
                $arraysign[] = '';                  /*If-Modified-Since */
                $arraysign[] = '';                  /*If-Match*/
                $arraysign[] = '';                  /*If-None-Match*/
                $arraysign[] = '';                  /*If-Unmodified-Since*/
                $arraysign[] = '';                  /*Range*/
                $arraysign[] = $headerResource;     /*CanonicalizedHeaders*/
                $arraysign[] = $urlResource;        /*CanonicalizedResource*/


                // converts the array to a string as required by MS 
                $str2sign = implode("\n", $arraysign);


                $sig = base64_encode(hash_hmac('sha256', utf8_encode($str2sign), base64_decode($accessKey), true));

                $url = "https://$storageAccountName.blob.core.windows.net/$containerName/{$blobName}";


                // use GuzzleHttp\Client;

                $client = new Client();

                $response = $client->request('PUT', $url, [
                    'headers' => [
                        'Authorization' => "SharedKey $storageAccountName:$sig",
                        'x-ms-blob-cache-control' => 'max-age=3600',
                        'x-ms-blob-type' => 'BlockBlob',
                        'x-ms-date' => $dateTime,
                        'x-ms-version' => '2019-12-12',
                        'Content-Type' => 'image/png',
                        'Content-Length' => $fileSize
                    ],
                    'body' => fopen($file->path(), 'r'),
                ]);

               
                if ($response->getStatusCode() == 201) {
                    // image sas token 
                    $urlSasToken = config('services.azure_storage.sas_token');
                    return
                        [
                            'original_name' =>   $orignalFileName,
                            'media_url' => "$url?$urlSasToken",
                        ]
                    ;
                } else {
                    return response()->json(['message' => 'Something went wrong']);
                }
            }
        } catch (RequestException $e) {
            // If there's an error, log the error message
            $errorMessage = $e->getMessage();
            return response()->json(['error' => $errorMessage], 500);
        }
    }