classes/BindZoneClass.psm1
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using namespace System.IO using namespace System.Collections.Generic using module '.\BindRecordClass.psm1' class BindZone:List[BindRecord] { [ValidateNotNullOrEmpty()] [string]$Origin BindZone() {} BindZone( [FileInfo]$FileInfo ) { $this.Import( $FileInfo ) } BindZone( [string]$Origin ) { $this.Origin = $Origin } BindZone( [string[]]$Records ) { $this.__InitZone( $Records ) } BindZone( [BindRecord[]]$Records ) { $this.__InitZone( $Records ) } BindZone( [string]$Origin, [string[]]$Records ) { $this.Origin = $Origin $this.__InitZone( $Records ) } BindZone( [string]$Origin, [BindRecord[]]$Records ) { $this.Origin = $Origin $this.__InitZone( $Records ) } hidden [void] __InitZone( [BindRecord[]]$Records ) { $this.AddRange( $Records ) } [string] ToString() { # figure out column widths $ColumnWidths = @{ HostName = ( [string[]]$this.HostName | Measure-Object -Maximum -Property Length ).Maximum TimeToLive = ( [string[]]$this.TimeToLive | Measure-Object -Maximum -Property Length ).Maximum RecordClass = ( [string[]]$this.RecordClass | Measure-Object -Maximum -Property Length ).Maximum RecordType = ( [string[]]$this.RecordType | Measure-Object -Maximum -Property Length ).Maximum #RecordData = ( [string[]]$this.RecordData | Measure-Object -Maximum -Property Length ).Maximum } $Format = "{0,-$($ColumnWidths.HostName)} {1,$($ColumnWidths.TimeToLive)} {2,-$($ColumnWidths.RecordClass)} {3,-$($ColumnWidths.RecordType)} {4}" $Return = [List[string]]::new() if ( $this.Origin ) { $Return.Add( '$ORIGIN ' + $this.Origin ) } $this | ForEach-Object { $Return.Add( $_.ToString( $Format ) ) } return $Return -join "`r`n" } [void] Import( [FileInfo]$Path ) { $ZoneOrigin = $null $Records = Resolve-Path $Path | Get-Content if ( $Records[0] -match '^\$ORIGIN\s+(?<Origin>\S+)\s*$' ) { $ZoneOrigin = $Matches.Origin $Records = $Records | Select-Object -Skip 1 } if ( $ZoneOrigin ) { $this.Origin = $ZoneOrigin } else { Write-Warning 'Zone did not include an $ORIGIN' } $this.__InitZone( $Records ) } [void] Export( [string]$Path ) { if ( $Errors = $this.GetErrors() ) { $Errors | ForEach-Object { Write-Warning $_ } Write-Error 'Zone Errors Present' -ErrorAction Stop } $this.ToString() | Set-Content -Path $Path } [List[string]] GetErrors() { [List[string]]$Errors = @() if ( -not $this.Origin ) { $Errors.Add( 'Zone Error - Must contain an $ORIGIN' ) } if ( $this[0].RecordType -ne 'SOA' ) { $Errors.Add( 'Zone Error - Must start with SOA record' ) } if ( ( $this | Where-Object RecordType -eq 'SOA' ).Count -lt 1 ) { $Errors.Add( 'Zone Error - Missing SOA record' ) } if ( ( $this | Where-Object RecordType -eq 'SOA' ).Count -gt 1 ) { $Errors.Add( 'Zone Error - Multiple SOA records' ) } $this | Group-Object 'HostName' | Where-Object { ( $_.Group.RecordType.Where({ $_ -eq 'CNAME' -or $_ -eq 'TXT' }) | Select-Object -Unique ).Count -gt 1 } | ForEach-Object { $Errors.Add( "Zone Error - Hostname '$($_.Name)' has conflicting record types, records may not have both a CNAME and a TXT record" ) } $this | Where-Object RecordType -eq 'TXT' | Group-Object 'HostName' | Where-Object { ( $_.Group.TimeToLive | Select-Object -Unique ).Count -gt 1 } | ForEach-Object { $Errors.Add( "Zone Error - One or more TXT records for hostname '$($_.Name)' with dissimilar TTL values, all values for the same hostname must be the same" ) } $this | ForEach-Object { if ( $RecordErrors = $_.GetErrors() ) { $RecordIndex = $this.IndexOf( $_ ) $RecordErrors | ForEach-Object { $Errors.Add( "Record $RecordIndex - $_" ) } } } return $Errors } } |