ADFSToolkit

2.0.0

Private/Get-ADFSTkMetadata.ps1

                                function Get-ADFSTkMetadata {

param (

    #The time in minutes the chached metadatafile live

    [int]

    $CacheTime = 15,

    $CachedMetadataFile,

    $metadataURL

)

    $UseCachedMetadata = $false

    if (($CacheTime -eq -1 -or $CacheTime -gt 0) -and (Test-Path $CachedMetadataFile)) #CacheTime = -1 allways use cached metadata if exists

    {

        if ($CacheTime -eq -1 -or (Get-ChildItem $CachedMetadataFile).LastWriteTime.AddMinutes($CacheTime) -ge (Get-Date))

        {

            $UseCachedMetadata =  $true

            try 

            {

                #[xml]$MetadataXML = Get-Content $CachedMetadataFile

                $MetadataXML = new-object Xml.XmlDocument

                $MetadataXML.PreserveWhitespace = $true

                $MetadataXML.Load($CachedMetadataFile)

                if ([string]::IsNullOrEmpty($MetadataXML))

                {

                    Write-ADFSTkLog (Get-ADFSTkLanguageText importCachedMetadataEmptyDownloading) -EntryType Error -EventID 5

                    $UseCachedMetadata =  $false

                }

            }

            catch

            {

                Write-ADFSTkLog (Get-ADFSTkLanguageText importCachedMetadataCorruptDownloading) -EntryType Error -EventID 6

                $UseCachedMetadata =  $false

            }

        }

        else

        {

            $UseCachedMetadata = $false

            Remove-Item $CachedMetadataFile -Confirm:$false

        }

    }

    if (!$UseCachedMetadata)

    {

        Write-ADFSTkVerboseLog (Get-ADFSTkLanguageText importDownloadingMetadataFrom) -EntryType Information

        try

        {

            Write-ADFSTkVerboseLog (Get-ADFSTkLanguageText importDownloadingFromTo -f $metadataURL, $CachedMetadataFile) -EntryType Information

            $webClient = New-Object System.Net.WebClient 

            $webClient.Headers.Add("user-agent", "ADFSToolkit-v2")

            $webClient.DownloadFile($metadataURL, $CachedMetadataFile)

            Write-ADFSTkVerboseLog (Get-ADFSTkLanguageText importSuccesfullyDownloadedMetadataFrom -f $metadataURL) -EntryType Information

        }

        catch

        {

            Write-ADFSTkLog (Get-ADFSTkLanguageText importCouldNotDownloadMetadataFrom -f $metadataURL) -MajorFault -EventID 7

        }

        try

        {

            Write-ADFSTkVerboseLog (Get-ADFSTkLanguageText importParsingMetadataXML) -EntryType Information

            $MetadataXML = new-object Xml.XmlDocument

            $MetadataXML.PreserveWhitespace = $true

            $MetadataXML.Load($CachedMetadataFile)            

            Write-ADFSTkVerboseLog (Get-ADFSTkLanguageText importSuccessfullyParsedMetadataXMLFrom -f $metadataURL) -EntryType Information

        }

        catch

        {

            Write-ADFSTkLog (Get-ADFSTkLanguageText importCouldNotParseMetadataFrom -f $metadataURL) -MajorFault -EventID 8

        }

    }

    return $MetadataXML

}

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