71 lines
2.4 KiB
VB.net
71 lines
2.4 KiB
VB.net
Imports System.IO
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Imports System.Net
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Imports System.Net.Http
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Imports WebDav
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Public Class AppUpdater
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Private Const WEBDAV_URL As String = "https://cloud.pilzinsel64.de/public.php/webdav"
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Private Const WEBDAV_KEY As String = "z4dGicDYmG2neG9"
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Private Const DOWNLOAD_URL As String = "https://cloud.pilzinsel64.de/s/z4dGicDYmG2neG9/download"
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Public Shared Async Function Check() As Task(Of Boolean)
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Dim appFileName = Pilz.IO.Extensions.GetExecutablePath()
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Dim hasUpdate As Boolean = False
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Dim params As New WebDavClientParams With {
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.BaseAddress = New Uri(WEBDAV_URL),
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.Credentials = New NetworkCredential(WEBDAV_KEY, String.Empty)
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}
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Try
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Using client As New WebDavClient(params)
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Dim result = Await client.Propfind(String.Empty)
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If result.IsSuccessful AndAlso result.Resources.Any Then
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Dim resource = result.Resources(0)
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Dim appModificationDate = File.GetLastWriteTimeUtc(appFileName)
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Dim remoteModificationDate = resource.LastModifiedDate?.ToUniversalTime
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If remoteModificationDate > appModificationDate Then
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hasUpdate = True
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End If
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End If
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End Using
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Catch ex As Exception
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End Try
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Return hasUpdate
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End Function
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Public Shared Async Function Install() As Task
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Dim client As New HttpClient
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Dim tempFileName = Path.GetTempFileName
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Dim appFileName = Pilz.IO.Extensions.GetExecutablePath()
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Dim oldFileName = appFileName & ".old"
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'Delete old file
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Try
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File.Delete(oldFileName)
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Catch ex As Exception
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End Try
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'Download the new file
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Using tempFileStream As New FileStream(tempFileName, FileMode.Create, FileAccess.ReadWrite)
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Dim downloadStream As Stream = Nothing
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Try
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downloadStream = Await client.GetStreamAsync(DOWNLOAD_URL)
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Await downloadStream.CopyToAsync(tempFileStream)
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Catch
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Finally
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downloadStream?.Dispose()
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End Try
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End Using
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'Replace current application file with new file
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File.Move(appFileName, oldFileName, True)
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File.Move(tempFileName, appFileName)
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End Function
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End Class
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