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(PHP ActiveX) Azure Storage: CORS Preflight Blob RequestAzure Storage Blob Service REST API: Sample code to send a CORS pre-flight blob request.
<?php // Azure Blob Service Example: CORS Preflight Blob Request // See also: https://msdn.microsoft.com/en-us/library/azure/dn535599.aspx // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.Rest') $rest = new COM("Chilkat.Rest"); // Connect to the Azure Storage Blob Service $bTls = 1; $port = 443; $bAutoReconnect = 1; // In this example, the storage account name is "chilkat". $success = $rest->Connect('chilkat.blob.core.windows.net',$port,$bTls,$bAutoReconnect); if ($success != 1) { print $rest->LastErrorText . "\n"; exit; } // Provide Azure Cloud credentials for the REST call. // For versions of Chilkat < 10.0.0, use new COM('Chilkat_9_5_0.Chilkat.AuthAzureStorage') $azAuth = new COM("Chilkat.AuthAzureStorage"); $azAuth->AccessKey = 'AZURE_ACCESS_KEY'; // The account name used here should match the 1st part of the domain passed in the call to Connect (above). $azAuth->Account = 'chilkat'; $azAuth->Scheme = 'SharedKey'; $azAuth->Service = 'Blob'; // This causes the "x-ms-version: 2021-08-06" header to be automatically added. $azAuth->XMsVersion = '2021-08-06'; $success = $rest->SetAuthAzureStorage($azAuth); // Note: The application does not need to explicitly set the following // headers: x-ms-date, Authorization. These headers // are automatically set by Chilkat. // The preflight blob request requires the following two HTTP headers. // The Origin is the domain from which the actual request will be issued. $success = $rest->AddHeader('Origin','www.contoso.com'); // The Access-Control-Request-Method is the HTTP method (such as GET, POST, PUT, etc.) of the actual request. $success = $rest->AddHeader('Access-Control-Request-Method','PUT'); // The expected response is a 202 response status code with no response body. // The name of the container or blob resource in this example is "test". (Replace "test" with your container name.) $responseStr = $rest->fullRequestNoBody('OPTIONS','/test'); if ($rest->LastMethodSuccess != 1) { print $rest->LastErrorText . "\n"; exit; } // When successful, the Azure Storage service will respond with a 200 response code, // with no response body. // If CORS is not enabled or no matching rule is found for the request, // then a 403 status code is returned, with the following status text: // "CORS not enabled or no matching rule found for this request." if ($rest->ResponseStatusCode != 200) { // Examine the request/response to see what happened. print 'response status code = ' . $rest->ResponseStatusCode . "\n"; print 'response status text = ' . $rest->ResponseStatusText . "\n"; print 'response header: ' . $rest->ResponseHeader . "\n"; print 'response body (if any): ' . $responseStr . "\n"; print '---' . "\n"; print 'LastRequestStartLine: ' . $rest->LastRequestStartLine . "\n"; print 'LastRequestHeader: ' . $rest->LastRequestHeader . "\n"; exit; } print 'Success: Preflight Blob Request is accepted.' . "\n"; ?> |
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