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99 lines
2.9 KiB
PowerShell
Executable File
99 lines
2.9 KiB
PowerShell
Executable File
#!/snap/bin/powershell
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Function Get-TimedScreenshot {
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<#
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.SYNOPSIS
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Get-TimedScreenshot
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.DESCRIPTION
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A function that takes screenshots and saves them to a folder.
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.PARAMETER $Path
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Specifies the folder path.
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.PARAMETER $Interval
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Specifies the interval in seconds between taking screenshots.
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.PARAMETER $EndTime
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Specifies when the script should stop running in the format HH-MM
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.EXAMPLE
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PS C:\> Get-TimedScreenshot -Path c:\temp\ -Interval 30 -EndTime 14:00
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.LINK
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http://obscuresecurity.blogspot.com/2013/01/Get-TimedScreenshot.html
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https://github.com/obscuresec/random/blob/master/Get-TimedScreenshot
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#>
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[CmdletBinding()] Param(
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[Parameter(Mandatory=$True)]
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[ValidateScript({Test-Path -Path $_ })]
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[string] $Path,
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[Parameter(Mandatory=$True)]
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[int32] $Interval,
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[Parameter(Mandatory=$True)]
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[string] $EndTime
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)
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#Define helper function that generates and saves screenshot
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Function GenScreenshot {
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$ScreenBounds = [Windows.Forms.SystemInformation]::VirtualScreen
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$ScreenshotObject = New-Object Drawing.Bitmap $ScreenBounds.Width, $ScreenBounds.Height
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$DrawingGraphics = [Drawing.Graphics]::FromImage($ScreenshotObject)
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$DrawingGraphics.CopyFromScreen( $ScreenBounds.Location, [Drawing.Point]::Empty, $ScreenBounds.Size)
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$DrawingGraphics.Dispose()
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$ScreenshotObject.Save($FilePath)
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$ScreenshotObject.Dispose()
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}
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Try {
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#load required assembly
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Add-Type -Assembly System.Windows.Forms
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Do {
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#get the current time and build the filename from it
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$Time = (Get-Date)
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[string] $FileName = "$($Time.Month)"
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$FileName += '-'
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$FileName += "$($Time.Day)"
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$FileName += '-'
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$FileName += "$($Time.Year)"
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$FileName += '-'
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$FileName += "$($Time.Hour)"
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$FileName += '-'
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$FileName += "$($Time.Minute)"
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$FileName += '-'
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$FileName += "$($Time.Second)"
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$FileName += '.png'
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#use join-path to add path to filename
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[string] $FilePath = (Join-Path $Path $FileName)
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#run screenshot function
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GenScreenshot
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Write-Verbose "Saved screenshot to $FilePath. Sleeping for $Interval seconds"
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Start-Sleep -Seconds $Interval
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}
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#note that this will run once regardless if the specified time as passed
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While ((Get-Date -Format HH:%m) -lt $EndTime)
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}
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Catch {Write-Warning "$Error[0].ToString() + $Error[0].InvocationInfo.PositionMessage"}
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}
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