(Lianja) Set Container ACL

Azure Storage Blob Service REST API: Sample code to set the permissions of a container.

Chilkat Lianja Extension Download Chilkat Lianja Extension

// Azure Blob Service Example: Set Container ACL
// See also: https://msdn.microsoft.com/en-us/library/azure/dd179391.aspx

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

loRest = createobject("CkRest")

// Connect to the Azure Storage Blob Service
llBTls = .T.
lnPort = 443
llBAutoReconnect = .T.
// In this example, the storage account name is "chilkat".
llSuccess = loRest.Connect("chilkat.blob.core.windows.net",lnPort,llBTls,llBAutoReconnect)
if (llSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    return
endif

// Provide Azure Cloud credentials for the REST call.
loAzAuth = createobject("CkAuthAzureStorage")
loAzAuth.AccessKey = "AZURE_ACCESS_KEY"
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
loAzAuth.Account = "chilkat"
loAzAuth.Scheme = "SharedKey"
loAzAuth.Service = "Blob"
// This causes the "x-ms-version: 2020-08-04" header to be automatically added.
loAzAuth.XMsVersion = "2020-08-04"
llSuccess = loRest.SetAuthAzureStorage(loAzAuth)

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

// The XML body of the request will look like this:

// <?xml version="1.0" encoding="utf-8"?>
// <SignedIdentifiers>
//   <SignedIdentifier> 
//     <Id>unique-character-value-of-up-to-64-chars</Id>
//     <AccessPolicy>
//       <Start>start-time</Start>
//       <Expiry>expiry-time</Expiry>
//       <Permission>abbreviated-permission-list</Permission>
//     </AccessPolicy>
//   </SignedIdentifier>
// </SignedIdentifiers>

// Generate a random 32-character string.
loPrng = createobject("CkPrng")
lcRandomId = loPrng.RandomString(32,.T.,.T.,.T.)

// Get the current system date/time in ISO 8061 format
loDt = createobject("CkDateTime")
loDt.SetFromCurrentSystemTime()
llBLocal = .F.
// Get the current date/time in ISO 8061 UTC format.
lcCurDtStr = loDt.GetAsTimestamp(llBLocal)
// The expire time will be 365 days in the future.
llSuccess = loDt.AddDays(365)
lcExpireDtStr = loDt.GetAsTimestamp(llBLocal)

// Build the request:
loXml = createobject("CkXml")
loXml.Tag = "SignedIdentifiers"
loXSignedId = loXml.NewChild("SignedIdentifier","")
loXSignedId.NewChild2("Id",lcRandomId)
loXAccessPolicy = loXSignedId.NewChild("AccessPolicy","")
loXAccessPolicy.NewChild2("Start",lcCurDtStr)
loXAccessPolicy.NewChild2("Expiry",lcExpireDtStr)
loXAccessPolicy.NewChild2("Permission","rwd")
release loXAccessPolicy
release loXSignedId

// Show the XML..
? loXml.GetXml()

// The expected response is a 200 response status code with no response body.
lcResponseStr = loRest.FullRequestString("PUT","/mycontainer?restype=container&comp=acl",loXml.GetXml())
if (loRest.LastMethodSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    release loAzAuth
    release loPrng
    release loDt
    release loXml
    return
endif

// When successful, the Azure Storage service will respond with a 200 response status code,
// with no response body.

if (loRest.ResponseStatusCode <> 200) then
    // Examine the request/response to see what happened.
    ? "response status code = " + str(loRest.ResponseStatusCode)
    ? "response status text = " + loRest.ResponseStatusText
    ? "response header: " + loRest.ResponseHeader
    ? "response body (if any): " + lcResponseStr
    ? "---"
    ? "LastRequestStartLine: " + loRest.LastRequestStartLine
    ? "LastRequestHeader: " + loRest.LastRequestHeader
    release loRest
    release loAzAuth
    release loPrng
    release loDt
    release loXml
    return
endif

? "Success."


release loRest
release loAzAuth
release loPrng
release loDt
release loXml