B4X

Azure Storage: Get Blob Service Properties

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Azure Storage Blob Service REST API: Sample code to get a blob's service properties. B4X

Dim success As Boolean = False

'  Azure Blob Service Example: Get Blob Service Properties

'  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.

Dim responseStr As String = rest.FullRequestNoBody("GET", "/?restype=service&comp=properties")
If rest.LastMethodSuccess <> True Then
    Log(rest.LastErrorText)
    Return
End If


'  When successful, the Azure Storage service will respond with a 200 response code,
'  with an XML 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


'  Load the XML response for parsing.
'  An example of the response XML is shown below.
Dim xml As ChilkatXml
xml.Initialize
success = xml.LoadXml(responseStr)

Log(xml.GetXml)

'  Use the ChilkatPath method to get various pieces of information out
'  of the XML.  For example:

Log("Logging retention policy #days = " & xml.ChilkatPath("Logging|RetentionPolicy|Days|*"))
Log("Hour metrics include APIs = " & xml.ChilkatPath("HourMetrics|IncludeAPIs|*"))

'  <?xml version="1.0" encoding="utf-8" ?>
'  <StorageServiceProperties>
'      <Logging>
'          <Version>1.0</Version>
'          <Read>true</Read>
'          <Write>true</Write>
'          <Delete>true</Delete>
'          <RetentionPolicy>
'              <Enabled>true</Enabled>
'              <Days>7</Days>
'          </RetentionPolicy>
'      </Logging>
'      <HourMetrics>
'          <Version>1.0</Version>
'          <Enabled>true</Enabled>
'          <IncludeAPIs>true</IncludeAPIs>
'          <RetentionPolicy>
'              <Enabled>true</Enabled>
'              <Days>7</Days>
'          </RetentionPolicy>
'      </HourMetrics>
'      <MinuteMetrics>
'          <Version>1.0</Version>
'          <Enabled>false</Enabled>
'          <RetentionPolicy>
'              <Enabled>false</Enabled>
'          </RetentionPolicy>
'      </MinuteMetrics>
'      <Cors />
'  </StorageServiceProperties>