B4X

Set Container ACL

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to set the permissions of a container. B4X

Dim success As Boolean = False

'  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.

Dim rest As ChilkatRest
rest.Initialize("rest")

'  Connect to the Azure Storage Blob Service
Dim bTls As Boolean = True
Dim port As Int = 443
Dim bAutoReconnect As Boolean = True
'  In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.blob.core.windows.net", port, bTls, bAutoReconnect)
If success <> True Then
    Log(rest.LastErrorText)
    Return
End If


'  Provide Azure Cloud credentials for the REST call.
Dim azAuth As ChilkatAuthAzureStorage
azAuth.Initialize
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 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.
Dim prng As ChilkatPrng
prng.Initialize
Dim randomId As String = prng.RandomString(32, True, True, True)

'  Get the current system date/time in ISO 8061 format
Dim dt As ChilkatDateTime
dt.Initialize
dt.SetFromCurrentSystemTime
Dim bLocal As Boolean = False
'  Get the current date/time in ISO 8061 UTC format.
Dim curDtStr As String = dt.GetAsTimestamp(bLocal)
'  The expire time will be 365 days in the future.
success = dt.AddDays(365)
Dim expireDtStr As String = dt.GetAsTimestamp(bLocal)

'  Build the request:
Dim xml As ChilkatXml
xml.Initialize
xml.Tag = "SignedIdentifiers"
Dim xSignedId As ChilkatXml = xml.NewChild("SignedIdentifier", "")
xSignedId.NewChild2("Id", randomId)
Dim xAccessPolicy As ChilkatXml = xSignedId.NewChild("AccessPolicy", "")
xAccessPolicy.NewChild2("Start", curDtStr)
xAccessPolicy.NewChild2("Expiry", expireDtStr)
xAccessPolicy.NewChild2("Permission", "rwd")



'  Show the XML..
Log(xml.GetXml)

'  The expected response is a 200 response status code with no response body.
Dim responseStr As String = rest.FullRequestString("PUT", "/mycontainer?restype=container&comp=acl", xml.GetXml)
If rest.LastMethodSuccess <> True Then
    Log(rest.LastErrorText)
    Return
End If


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

If rest.ResponseStatusCode <> 200 Then
    '  Examine the request/response to see what happened.
    Log("response status code = " & rest.ResponseStatusCode)
    Log("response status text = " & rest.ResponseStatusText)
    Log("response header: " & rest.ResponseHeader)
    Log("response body (if any): " & responseStr)
    Log("---")
    Log("LastRequestStartLine: " & rest.LastRequestStartLine)
    Log("LastRequestHeader: " & rest.LastRequestHeader)
    Return
End If


Log("Success.")