wingetautoupdate/Winget-AutoUpdate/functions/Test-ModsPath.ps1

129 lines
4.9 KiB
PowerShell

#Function to check Mods External Path
function Test-ModsPath ($ModsPath, $WingetUpdatePath) {
# URL, UNC or Local Path
# Get local and external Mods paths
$LocalMods = -join ($WingetUpdatePath, "\", "mods")
$ExternalMods = "$ModsPath"
#Get File Names Locally
$InternalModsNames = Get-ChildItem -Path $LocalMods -Name -Recurse -Include *.ps1, *.txt
# If path is URL
if ($ExternalMods -like "http*") {
# enable TLS 1.2 and TLS 1.1 protocols
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12, [Net.SecurityProtocolType]::Tls11
#Get Index of $ExternalMods (or index page with href listing of all the Mods)
try {
$WebResponse = Invoke-WebRequest -Uri $ExternalMods -UseBasicParsing
}
catch {
$Script:ReachNoPath = $True
return $False
}
# Collect the external list of href links
$ModLinks = $WebResponse.Links | Select-Object -ExpandProperty HREF
#If there's a directory path in the HREF:s, delete it (IIS)
$CleanLinks = $ModLinks -replace "/.*/",""
#Modify strings to HREF:s
$index = 0
foreach ($Mod in $CleanLinks) {
if ($Mod) {
$CleanLinks[$index] = '<a href="' + $Mod + '"> ' + $Mod + '</a>'
}
$index++
}
#Delete Local Mods that don't exist Externally
$DeletedMods = 0
# 0 is the parent HTTP Directory
$index = 1
$CleanLinks = $ModLinks -replace "/.*/",""
foreach ($Mod in $InternalModsNames) {
If ($CleanLinks -notcontains "$Mod") {
Remove-Item $LocalMods\$Mod -Force -ErrorAction SilentlyContinue | Out-Null
$DeletedMods++
}
$index++
}
$CleanLinks = $ModLinks -replace "/.*/",""
#Loop through all links
$wc = New-Object System.Net.WebClient
$CleanLinks | ForEach-Object {
#Check for .ps1/.txt in listing/HREF:s in an index page pointing to .ps1/.txt
if (($_ -like "*.ps1") -or ($_ -like "*.txt")) {
try {
$dateExternalMod = ""
$dateLocalMod =""
$wc.OpenRead("$ExternalMods/$_").Close() | Out-Null
$dateExternalMod = ([DateTime]$wc.ResponseHeaders['Last-Modified']).ToString("yyyy-MM-dd HH:mm:ss")
if (Test-Path -Path $LocalMods"\"$_) {
$dateLocalMod = (Get-Item "$LocalMods\$_").LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss")
}
if ($dateExternalMod -gt $dateLocalMod) {
try {
$SaveMod = Join-Path -Path "$LocalMods\" -ChildPath $_
$Mod = '{0}/{1}' -f $ModsPath.TrimEnd('/'), $_
Invoke-WebRequest -Uri "$Mod" -OutFile $SaveMod -UseBasicParsing
$ModsUpdated++
}
catch {
$Script:ReachNoPath = $True
}
}
}
catch {
$Script:ReachNoPath = $True
}
}
}
return $ModsUpdated, $DeletedMods
}
# If path is UNC or local
else {
if ((Test-Path -Path $ExternalMods"\*.ps1") -or (Test-Path -Path $ExternalMods"\*.txt")) {
#Get File Names Externally
$ExternalModsNames = Get-ChildItem -Path $ExternalMods -Name -Recurse -Include *.ps1, *.txt
#Delete Local Mods that don't exist Externally
$DeletedMods = 0
foreach ($Mod in $InternalModsNames){
If ($Mod -notin $ExternalModsNames ){
Remove-Item $LocalMods\$Mod -Force -ErrorAction SilentlyContinue | Out-Null
$DeletedMods++
}
}
#Copy newer external mods
try {
foreach ($Mod in $ExternalModsNames){
$dateExternalMod = ""
$dateLocalMod =""
if (Test-Path -Path $LocalMods"\"$Mod) {
$dateLocalMod = (Get-Item "$LocalMods\$Mod").LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss")
}
$dateExternalMod = (Get-Item "$ExternalMods\$Mod").LastWriteTime.ToString("yyyy-MM-dd HH:mm:ss")
if ($dateExternalMod -gt $dateLocalMod) {
Copy-Item $ExternalMods\$Mod -Destination $LocalMods\$Mod -Force -ErrorAction SilentlyContinue | Out-Null
$ModsUpdated++
}
}
}
catch {
$Script:ReachNoPath = $True
}
}
else {
$Script:ReachNoPath = $True
}
return $ModsUpdated, $DeletedMods
}
}