Public/Search-PDFDoc.ps1
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<#
.SYNOPSIS Searches a PDF document for desired test and outputs results .DESCRIPTION Using the find function of the .net module iTextSharpe.dll this function searches for the enter text. .PARAMETER Path The path of the PDF doc you would like to search, use .PDF. .PARAMETER Query The string to search for. .EXAMPLE PS C:\> Search-PDFDoc -Path $value1 -Query "data" .OUTPUTS Object .NOTES Uses the class [iTextSharpe] fir iTextSharpe.dll and thus needs the file located with the module. #> function Search-PDFDoc { [CmdletBinding(DefaultParameterSetName = 'Match')] [OutputType([string], ParameterSetName = 'Match')] param ( [Parameter(ParameterSetName = 'Match', Mandatory = $true)] [ValidateScript( { if (-Not ($_ | Test-Path)) { throw "File or folder does not exist" } if (-Not ($_ | Test-Path -PathType Leaf)) { throw "The Path argument must be a file. Folder paths are not allowed." } if ($_ -notmatch "(\.pdf)") { throw "The file specified in the path argument must be either of type pdf" } return $true })] [ValidateNotNullOrEmpty()] [string]$Path, [string[]]$Query, [switch] $OnlyMatches ) BEGIN { try { $CurrentConfig = Get-ModuleConfig $TelmetryArgs = @{ ModuleName = $CurrentConfig.ModuleName ModulePath = $CurrentConfig.ModulePath ModuleVersion = $CurrentConfig.ModuleVersion CommandName = $MyInvocation.MyCommand.Name URI = 'https://telemetry.tatux.in/api/telemetry' } if ($CurrentConfig.BasicTelemetry -eq 'True') { $TelmetryArgs.Add('Minimal', $true) } Invoke-TelemetryCollection @TelmetryArgs -Stage start -ClearTimer } catch { Write-Verbose "Failed to load telemetry" } $FunctionPath = $(Join-Path -Path $(Split-Path -Path $PSCommandPath -Parent) -ChildPath "Dependencies") try { Add-Type -Path "$FunctionPath\itextsharp.dll" -ErrorAction Stop Write-Verbose "Class itextsharp.dll loaded." } catch { $_ Write-Verbose "Class itextsharp.dll already loaded." } #Load File $Props = [ordered]@{ Name = (Split-Path -Path $Path -Leaf) Type = (Split-Path -Path $Path -Leaf).Split('.')[-1] Query = 'N/A' Page = 'N/A' Line = 'N/A' LineText = 'N/A' Path = $Path Match = 'N/A' Result = "" } try { $PDFReader = New-Object iTextSharp.text.pdf.pdfreader -ArgumentList $Path -ErrorAction Stop if ($PSBoundParameters.ContainsKey("Verbose")) { Write-Output "PDF details from reader:`n" $PDFReader } } catch { $Obj = New-Object PSObject -Property $Props $Obj.Query = $Query $Obj.Result = "Failure-Document: $($_.Exception.Message)" } } PROCESS { # Search for queried text Invoke-TelemetryCollection @TelmetryArgs -Stage 'In-Progress' foreach ($Q in $Query) { for ($Page = 1 ; $Page -le $PDFReader.NumberOfPages ; $Page++) { Try { $PageText = [iTextSharp.text.pdf.parser.PdfTextExtractor]::GetTextFromPage($PDFReader, $Page).Split([char]0x000A) } Catch { $Obj = New-Object PSObject -Property $Props $Obj.Result = "Failure-Search: $($_.Exception.Message)" $Obj.Query = $Q $Obj.Page = $Page $Obj Invoke-TelemetryCollection @TelmetryArgs -Stage End -ClearTimer -Failed $true -Exception $_ break } $LineCount = 1 foreach ($line in $PageText) { $Obj = New-Object PSObject -Property $Props $Obj.Query = $Q $Obj.Page = $Page $Obj.Line = $LineCount $LineCount++ if ($line -match $Q) { $Obj.LineText = $line $Obj.Match = $true $Obj.Result = "Success" $Obj break } else { $Obj.Match = $false if ($OnlyMatches -eq $false) { $Obj.Result = "Success" $Obj } } if ($Obj.Result) { continue } } } } } END { [gc]::collect() [gc]::WaitForPendingFinalizers() Invoke-TelemetryCollection @TelmetryArgs -Stage End -ClearTimer } } |