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(PHP Extension) How to Generate an Azure Service Bus Shared Access Signature (SAS)Demonstrates generating and using an Azure Service Bus Shared Access Signature (SAS). Note: This example requires Chilkat v9.5.0.65 or greater.
<?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: Requires Chilkat v9.5.0.65 or greater. // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // ------------------------------------------------------------------- // Create a Shared Access Signature (SAS) token for Azure Service Bus. // ------------------------------------------------------------------- $authSas = new CkAuthAzureSAS(); $authSas->put_AccessKey('AzureServiceBus_PrimaryKey'); // The SAS token for Service Bus will look like this: // (The order of params will be different. The order does not matter.) // sig=<signature-string>&se=<expiry>&skn=<keyName>&sr=<URL-encoded-resourceURI> // Specify the format of the string to sign. $authSas->put_StringToSign('resourceURI,expiry'); // Create an expiry to 30 days in the future. $dtExpiry = new CkDateTime(); $dtExpiry->SetFromCurrentSystemTime(); $dtExpiry->AddDays(30); $authSas->SetTokenParam('expiry','se',$dtExpiry->getAsUnixTimeStr(true)); // Set the skn (keyname) // This example uses the key "RootManageSharedAccessKey". This give full access. // In a typical scenario, you would create a new Azure key (for the service bus) // in the Azure portal, such that the key has limited permissions. This would // allow you to give the SAS token to others for specific access for some period of time. $authSas->SetTokenParam('keyName','skn','RootManageSharedAccessKey'); // Set the URL-encoded-resourceURI $sbResourceUri = new CkStringBuilder(); $sbResourceUri->Append('https://<yournamespace>.servicebus.windows.net/'); $sbResourceUri->Encode('url','utf-8'); $authSas->SetTokenParam('resourceURI','sr',$sbResourceUri->getAsString()); // Generate the SAS token. $sasToken = $authSas->generateToken(); if ($authSas->get_LastMethodSuccess() != true) { print $authSas->lastErrorText() . "\n"; exit; } print 'SAS token: ' . $sasToken . "\n"; // Save the SAS token to a file. // We can then use this pre-generated token for future Service Bus operations. $fac = new CkFileAccess(); $fac->WriteEntireTextFile('qa_data/tokens/serviceBusSas.txt',$sasToken,'utf-8',false); ?> |
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