Invoke-Uplift-Helpers.ps1
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function Confirm-LocalFileValidity($filePath) { Write-DebugMessage "Checking local file validity: $filePath" if( (Test-Path $filePath) -eq $False) { Write-DebugMessage " - false, local path does not exist: $filePath" return $False } # lookup first .sha256 file in folder if( (Get-Item $filePath) -is [System.IO.DirectoryInfo] ) { Write-DebugMessage " - ~, checking folder: $filePath" # two files and one of them .sha256? $filesCount = @(Get-ChildItem $localStagingFolder).Count; if($filesCount -eq 2) { Write-DebugMessage " - ~, found two files, looing for *.sha256 file" $filePath = (Resolve-Path "$filePath/*.sha256").Path Write-DebugMessage " - ~, found: $filePath" $filePath = $filePath.Replace(".sha256", "") $fileName = Split-Path $filePath -Leaf } else { # folder has more files, this mush be a bunch of files packaged into a zip folder Write-DebugMessage " - true, skipping, found folder full of files: $filePath" return $True } } else { $checksumFilePath = $filePath + ".sha256" if( (Test-Path $checksumFilePath) -eq $False) { Write-DebugMessage " - false, local checksum path does not exist: $checksumFilePath" return $False } $fileName = Split-Path $filePath -Leaf } Write-DebugMessage "checking checksum" Write-DebugMessage " - file : $filePath" Write-DebugMessage " - checksum: $filePath.sha256" $hash = (Get-FileHash -Algorithm SHA256 $filePath).Hash $content = Get-Content "$($filePath).sha256" $contentHash = $content.Split(" ", [System.StringSplitOptions]::RemoveEmptyEntries)[0] $contentFile = $content.Split(" ", [System.StringSplitOptions]::RemoveEmptyEntries)[1] Write-DebugMessage "expected: $contentHash" Write-DebugMessage "was : $hash" return (($hash -ieq $contentHash) -and ($fileName -ieq $contentFile)) } function Confirm-FileValidity($resourceContainer, $filePath) { Write-DebugMessage "[~] checking file validity" # does cache file exist and checksum actually match? $fileExist = (Test-Path $filePath) if( $fileExist -eq $False) { Write-DebugMessage "[-] file does not exist: $fileExist" return $False } $expectedChecksum = $resourceContainer.Resource.checksum $expectedChecksumType = $resourceContainer.Resource.checksum_type $currentChecksum = Get-FileHash -Algorithm $expectedChecksumType $filePath $currentChecksumValue = $currentChecksum.Hash $fileChecksumValid = ($currentChecksumValue -ieq $expectedChecksum) if( $fileChecksumValid -eq $False) { Write-WarnMessage "[-] file checksum is incorrect: $filePath" Write-WarnMessage "[-] expected: $expectedChecksumType $expectedChecksum" Write-WarnMessage "[-] current : $expectedChecksumType $currentChecksumValue" return $False } Write-DebugMessage "[-] file checksum is ok: $filePath" Write-DebugMessage "[-] expected: $expectedChecksumType $expectedChecksum" Write-DebugMessage "[-] current : $expectedChecksumType $currentChecksumValue" return $True } |