Apps/Get-TechSmithSnagit.ps1
Function Get-TechSmithSnagIt { <# .SYNOPSIS Get the current version and download URL for SnagIt. .NOTES Author: Andrew Cooper Twitter: @adotcoop #> [OutputType([System.Management.Automation.PSObject])] [CmdletBinding(SupportsShouldProcess = $False)] param ( [Parameter(Mandatory = $False, Position = 0)] [ValidateNotNull()] [System.Management.Automation.PSObject] $res = (Get-FunctionResource -AppName ("$($MyInvocation.MyCommand)".Split("-"))[1]), [Parameter(Mandatory = $False, Position = 1)] [ValidateNotNull()] [System.String] $Filter ) # Query the TechSmith update URI to get the list of versions $updateFeed = Invoke-RestMethodWrapper -Uri $res.Get.Update.UpdateFeed If ($Null -ne $updateFeed) { # Grab latest version, sort by descending version number $Latest = $updateFeed | ` Sort-Object -Property @{ Expression = { [System.Version]"$($_.Major).$($_.Minor).$($_.Maintenance)" }; Descending = $true } | ` Select-Object -First 1 If ($Null -ne $Latest) { Write-Verbose -Message "$($MyInvocation.MyCommand): Latest is $Latest" # Build uri so we can query the api to find the file corresponding to this version $LatestUpdateFeedUri = $res.Get.Update.Uri -replace $res.Get.Update.ReplaceVersion, $Latest.VersionID $latestupdateFeed = (Invoke-RestMethodWrapper -Uri $LatestUpdateFeedUri).PrimaryDownloadInformation If ($Null -ne $latestupdateFeed) { # Strip the file extension from the filename (eg snagit.exe becomes snagit) $FileName = [System.IO.Path]::GetFileNameWithoutExtension($latestupdateFeed.Name) ForEach ($InstallerType in $res.Get.Download.Uri.GetEnumerator()) { # Build the download URL $Uri = ($InstallerType.Value -replace $res.Get.Download.ReplaceFileName, $FileName) -replace $res.Get.Download.ReplaceRelativePath, $latestupdateFeed.RelativePath # Extract file type Try { $Type = [RegEx]::Match($InstallerType.Key, $res.Get.Update.MatchType).Captures.Groups[0].Value } Catch { Throw "$($MyInvocation.MyCommand): failed to obtain file type information." } # Construct the output; Return the custom object to the pipeline $PSObject = [PSCustomObject] @{ Version = "$($latestupdateFeed.Major).$($latestupdateFeed.Minor).$($latestupdateFeed.Maintenance)" Date = ConvertTo-DateTime -DateTime $latestupdateFeed.Release -Pattern $res.Get.Update.DatePattern Type = $Type Architecture = Get-Architecture $InstallerType.Key URI = $Uri } Write-Output -InputObject $PSObject } } Else { Throw "$($MyInvocation.MyCommand): Failed to determine the latest Windows release." } } Else { Throw "$($MyInvocation.MyCommand): Failed to determine the latest Snagit release." } } Else { Throw "$($MyInvocation.MyCommand): unable to retrieve content from $($res.Get.Update.Uri)." } } |