internal/classes/ZipReader.class.ps1
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using namespace System.IO.Compression class ZipReader { [ZipFileContents[]]$Entries ZipReader ([string]$Path) { $zip = [Zipfile]::OpenRead($Path) foreach ($entry in $zip.Entries) { $this.Entries += [ZipFileContents]::new($entry) } $zip.Dispose() } } class ZipFileContents { [string]$Path [byte[]]$ByteArray [int]$Length [string]$Name [System.DateTimeOffset]$LastWriteTime #[string]$Content [string]$Hash ZipFileContents([object]$Entry) { $this.Path = $Entry.FullName $this.Name = $Entry.Name $this.LastWriteTime = $Entry.LastWriteTime $stream = [System.IO.MemoryStream]::new() $Entry.Open().CopyTo($stream) $this.ByteArray = $stream.ToArray() #$this.Content = [ZipFileContents]::GetString($this.ByteArray) $this.Length = $this.ByteArray.Length $this.Hash = (Get-FileHash -InputStream $stream).Hash $stream.Close() } # static [string] GetString([byte[]]$Array) { # # EF BB BF (UTF8) # if ( $Array[0] -eq 0xef -and $Array[1] -eq 0xbb -and $Array[2] -eq 0xbf ) { # $encoding = [System.Text.Encoding]::UTF8 # } # # FE FF (UTF-16 Big-Endian) # elseif ($Array[0] -eq 0xfe -and $Array[1] -eq 0xff) { # $encoding = [System.Text.Encoding]::BigEndianUnicode # } # # FF FE (UTF-16 Little-Endian) # elseif ($Array[0] -eq 0xff -and $Array[1] -eq 0xfe) { # $encoding = [System.Text.Encoding]::Unicode # } # # 00 00 FE FF (UTF32 Big-Endian) # elseif ($Array[0] -eq 0 -and $Array[1] -eq 0 -and $Array[2] -eq 0xfe -and $Array[3] -eq 0xff) { # $encoding = [System.Text.Encoding]::UTF32 # } # # FE FF 00 00 (UTF32 Little-Endian) # elseif ($Array[0] -eq 0xfe -and $Array[1] -eq 0xff -and $Array[2] -eq 0 -and $Array[3] -eq 0) { # $encoding = [System.Text.Encoding]::UTF32 # } # elseif ($Array[0] -eq 0x2b -and $Array[1] -eq 0x2f -and $Array[2] -eq 0x76 -and ($Array[3] -eq 0x38 -or $Array[3] -eq 0x39 -or $Array[3] -eq 0x2b -or $Array[3] -eq 0x2f)) { # $encoding = [System.Text.Encoding]::UTF7 # } # else { # $encoding = [System.Text.Encoding]::ASCII # } # return $encoding.GetString($Array) # } [string] ToString() { return $this.FullName } } # $file = New-Object System.IO.FileStream "C:\Temp\Entries.log.gz", ([IO.FileMode]::Open), ([IO.FileAccess]::Read), ([IO.FileShare]::Read) # $type = [System.IO.Compression.CompressionMode]::Decompress # $stream = new-object -TypeName System.IO.MemoryStream # $GZipStream = New-object -TypeName System.IO.Compression.GZipStream -ArgumentList $file, $type # $buffer = New-Object byte[](1024) # $count = 0 # do # { # $count = $gzipstream.Read($buffer, 0, 1024) # if ($count -gt 0) # { # $Stream.Write($buffer, 0, $count) # } # } # While ($count -gt 0) # $array = $stream.ToArray() # $GZipStream.Close() # $stream.Close() # $file.Close() |