(VB.NET) Azure Storage Blob Simple Upload

Demonstrates the simplest possible upload to Azure Storage. The contents of a string variable are uploaded to a blob file in Azure Cloud Storage.

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

Dim rest As New Chilkat.Rest

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


' Provide Azure Cloud credentials for the REST call.
Dim azAuth As New 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: 2020-08-04" header to be automatically added.
azAuth.XMsVersion = "2020-08-04"
success = rest.SetAuthAzureStorage(azAuth)

' Set some request headers.
success = rest.AddHeader("x-ms-blob-content-disposition","attachment; filename=""helloWorld.txt""")
success = rest.AddHeader("x-ms-blob-type","BlockBlob")
success = rest.AddHeader("x-ms-meta-m1","v1")
success = rest.AddHeader("x-ms-meta-m2","v2")

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

' Upload the string "Hello World!" to the file named "helloWorld.txt" located in the container named "test".
Dim responseStr As String = rest.FullRequestString("PUT","/test/helloWorld.txt","Hello World!")
If (rest.LastMethodSuccess <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' When successful, the Azure Storage service will respond with a 201 response code,
' with an empty body.  Therefore, in the success condition, the responseStr is empty.
If (rest.ResponseStatusCode = 201) Then
    Debug.WriteLine("File uploaded.")
Else
    ' Examine the request/response to see what happened.
    Debug.WriteLine("response status code = " & rest.ResponseStatusCode)
    Debug.WriteLine("response status text = " & rest.ResponseStatusText)
    Debug.WriteLine("response header: " & rest.ResponseHeader)
    Debug.WriteLine("response body (if any): " & responseStr)
    Debug.WriteLine("---")
    Debug.WriteLine("LastRequestStartLine: " & rest.LastRequestStartLine)
    Debug.WriteLine("LastRequestHeader: " & rest.LastRequestHeader)
End If