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# Sync-FilesToRemote: Sync Files to Remote Server via Stored Credentials
# GLOBAL FLAGS & PARAMETERS
[CmdletBinding()]
param (
[switch]$CredsFlush,
[switch]$Quiet,
[switch]$DryRun,
[switch]$Help
)
# DO NOT EDIT ABOVE THIS LINE ====================
# Sync Location Configuration
$SyncServers = @(
@{
RemoteShare = "\\192.168.69.69\Some\Path"
SyncItems = @(
@{ LocalPath = ".\Local\Path 1"; RemotePath = "Remote\Path 1"; SyncDirection = "pull" }
@{ LocalPath = ".\Local\Path 2"; RemotePath = "Remote\Path 2"; SyncDirection = "push" }
)
}
)
# DO NOT EDIT BELOW THIS LINE ====================
# DEFINE GLOBALS AND CONSTANTS
Set-Variable -Name 'AppName' -Value 'wync' -Option Constant -Scope Script
Set-Variable -Name 'AppDescription' -Value 'Simple Windows Sync Utility' -Option Constant -Scope Script
Set-Variable -Name "AppVersion" -Value "0.1.0" -Option Constant -Scope Script
Set-Variable -Name "CredsDirPath" -Value "$($env:USERPROFILE)\wync\creds" -Option Constant -Scope Script
Set-Variable -Name 'LogsFilePath' -Value ('{0}\wync\logs\sync-logs-{1:yyyy-MM-dd}.log' -f $env:USERPROFILE, (Get-Date)) -Option Constant -Scope Script
# HANDLE HELP INVOCATION
if ($Help) {
@"
# $($AppName.ToUpperInvariant()) - $($AppDescription) ================
Usage:
.\$($AppName.ToLowerInvariant()).ps1 [flags]
Available Flags:
-CredsFlush Flush saved credentials for the target host and prompt again.
-Quiet Suppress console output. Logs still written to the logs directory.
-DryRun Only plans the sync; no changes are made.
-Help Display this help message.
Examples:
.\wync.ps1 -CredsFlush
.\wync.ps1 -Quiet
Notes:
- Credentials are stored in encrypted XML under $($env:USERPROFILE)\wync\creds
- Both local and domain credentials are supported
- Logs are stored at $($env:USERPROFILE)\wync\logs
"@
exit
}
# SETUP LOGGING
function Log {
[CmdletBinding()]
param(
[Parameter(Mandatory)][string]$Message,
[ValidateSet("INF", "DBG", "WRN", "ERR")][string]$Level = "INF"
)
$TS = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
$LogLine = "$TS [$Level] $Message"
Add-Content -Path $LogsFilePath -Value $LogLine -Encoding UTF8
if (-not $Script:Quiet) {
$LevelColor = @{ INF = 'Green'; DBG = 'Blue'; WRN = 'Yellow'; ERR = 'Red' }
Write-Host $TS -ForegroundColor DarkGray -NoNewline
Write-Host " [" -NoNewline
Write-Host $Level -ForegroundColor $LevelColor[$Level] -NoNewline
Write-Host "] " -NoNewline
Write-Host $Message
}
}
# DEFINE CLASSES
class SyncItem {
[string]$Source
[string]$Destination
SyncItem([string]$source, [string]$destination) {
$this.Source = $source
$this.Destination = $destination
}
[string]Sync([string]$LogTag = "", [switch]$DryRun) {
if (-not (Test-Path -Path $this.Source)) {
return "Source not found: $($this.Source)"
}
$DestinationDir = Split-Path -Path $this.Destination -Parent
if ($DestinationDir -and -not (Test-Path -Path $DestinationDir)) {
New-Item -ItemType Directory -Path $DestinationDir -Force | Out-Null
}
$LogsDir = Split-Path -Path $Script:LogsFilePath -Parent
if (-not (Test-Path -Path $LogsDir)) {
New-Item -ItemType Directory -Path $LogsDir -Force | Out-Null
}
$LogTag = if ([string]::IsNullOrWhiteSpace($LogTag)) { "sync" } else { $LogTag }
$RobocopyLogsFilePath = Join-Path $LogsDir ("robocopy-{0}-{1:yyyyMMdd-HHmmss}.log" -f $LogTag, (Get-Date))
# 4) run robocopy
$RobocopyArguments = @(
$this.Source,
$this.Destination,
"/MIR", "/Z", "/XA:SH", "/W:5", "/R:3",
"/FFT", "/DST", # tolerate NAS timestamp skews
"/NFL", "/NDL", "/NP",
"/LOG:$RobocopyLogsFilePath"
)
if ($DryRun) { $RobocopyArguments += "/L" }
robocopy @RobocopyArguments | Out-Null
$code = $LASTEXITCODE
# 5) evaluate result (robocopy: 0,1,2,3,5,6,7 are success-ish; >=8 failures)
if ($code -ge 8) {
return "Robocopy failed (exit $code): $($this.Source) -> $($this.Destination)"
}
return $null
}
}
class SyncServer {
[string]$RemoteHost
[string]$SharePath
[string]$DriveLetter
[pscredential]$Cred
[SyncItem[]]$SyncItems
SyncServer([string]$SharePath) {
$this.SharePath = $SharePath
$this.SyncItems = @()
}
}
# ENTRYPOINT =====================================
# Setup Logging
$LogsDirPath = Split-Path -Path $LogsFilePath -Parent
if (-not (Test-Path $LogsDirPath)) {
New-Item -ItemType Directory -Path $LogsDirPath | Out-Null
}
Log "Initializing $($AppName) v$($AppVersion)..." INF
$AlreadyAssignedLetters = @()
$FinalSyncServers = @()
foreach ($Server in $SyncServers) {
if (-not $Server.RemoteShare) {
Log "Skipping: RemoteShare is empty" WRN
continue
}
Log "Processing server '$($Server.RemoteShare)'" INF
# Instantiate
$ThisServer = [SyncServer]::new($Server.RemoteShare)
# Extract and ping host
$ExtractedRemoteHost = ($ThisServer.SharePath -replace '^\\\\', '') -split '[\\\/]' | Select-Object -First 1
if (-not (Test-Connection -ComputerName $ExtractedRemoteHost -Count 1 -Quiet)) {
Log "Remote server '$ExtractedRemoteHost' is not available, skipping..." ERR
continue
}
Log "Remote server '$ExtractedRemoteHost' is available" DBG
$ThisServer.RemoteHost = $ExtractedRemoteHost
# Credential handling (persisted file per host)
$SanitizedHostName = ($ThisServer.RemoteHost -replace '[^a-zA-Z0-9]', '_')
$CredPath = "$($CredsDirPath)\sync-creds-$SanitizedHostName.xml"
$StoredCredsExist = Test-Path $CredPath
$PromptForCreds = $false
# CASES:
# 1) Present && !Flush -> load
# 2) Present && Flush && Quiet -> skip
# 3) Present && Flush && !Quiet -> prompt
# 4) Missing && Quiet -> skip
# 5) Missing && !Quiet -> prompt
if ($StoredCredsExist) {
Log "Credentials found for '$($ThisServer.RemoteHost)' at '$CredPath'" DBG
if ($FlushCreds) {
if ($Script:Quiet) {
Log "Received -FlushCreds, but prompting unsupported in -Quiet mode; skipping '$($ThisServer.RemoteHost)'" ERR
continue
}
else {
$PromptForCreds = $true # Case 3
}
}
else {
# Case 1: try load; if corrupt and not Quiet → prompt; if Quiet → skip
try {
Log "Loading credentials from '$CredPath'" DBG
$ThisServer.Cred = Import-Clixml -LiteralPath $CredPath -ErrorAction Stop
}
catch {
Log "Failed to load credentials from '$CredPath': $($_.Exception.Message)" ERR
if ($Script:Quiet) {
Log "Quiet mode prevents recovery prompt; skipping '$($ThisServer.RemoteHost)'" WRN
continue
}
else {
$PromptForCreds = $true
}
}
}
}
else {
Log "Credentials missing for '$($ThisServer.RemoteHost)'" WRN
if ($Script:Quiet) {
Log "Prompting unsupported in -Quiet mode; skipping '$($ThisServer.RemoteHost)'" ERR # Case 4
continue
}
else {
$PromptForCreds = $true # Case 5
}
}
if ($PromptForCreds) {
Log "Prompting for credentials to store for future use." INF
$NewCred = Get-Credential `
-Message "Enter credentials for '$($ThisServer.RemoteHost)' to store them for future use."
if (-not $NewCred) {
Log "Credential entry cancelled; skipping '$($ThisServer.RemoteHost)'" WRN
continue
}
try {
$credDir = Split-Path -Path $CredPath -Parent
if (-not (Test-Path -LiteralPath $credDir)) {
New-Item -ItemType Directory -Path $credDir -Force | Out-Null
}
$NewCred | Export-Clixml -LiteralPath $CredPath -Force -ErrorAction Stop
$ThisServer.Cred = $NewCred
Log ("{0} credentials at '{1}' for '{2}'" -f ($(if ($StoredCredsExist) { 'Refreshed' }else { 'Saved' }), $CredPath, $ThisServer.RemoteHost)) DBG
}
catch {
Log "Failed to save credentials: $($_.Exception.Message)" ERR
continue
}
}
# Drive letter assignment (Z..P), exclude currently mapped and already assigned in this run
$UsedDrives = (Get-PSDrive -PSProvider FileSystem).Name
$DrivePool = [char[]]([char]'Z'..[char]'P')
$Available = $DrivePool | Where-Object {
$_ -notin $UsedDrives -and $_ -notin $AlreadyAssignedLetters
}
if (-not $Available) {
Log "No available drive letters for $($ThisServer.RemoteHost)" ERR
continue
}
$ThisServer.DriveLetter = $Available[0]
$AlreadyAssignedLetters += $ThisServer.DriveLetter
Log "Assigned drive letter '$($ThisServer.DriveLetter)' to $($ThisServer.RemoteHost)" DBG
foreach ($Item in $Server.SyncItems) {
$SyncDirection = $Item.SyncDirection.Trim().ToLowerInvariant()
$RemoteParsedPath = $Item.RemotePath.TrimStart('\', '/')
$RemoteMappedRoot = "$($ThisServer.DriveLetter):\"
$RemotePath = [System.IO.Path]::Combine($RemoteMappedRoot, $RemoteParsedPath)
switch ($SyncDirection) {
'push' { $ThisServer.SyncItems += [SyncItem]::new($Item.LocalPath, $RemotePath) }
'pull' { $ThisServer.SyncItems += [SyncItem]::new($RemotePath, $Item.LocalPath) }
default {
Log "Invalid sync direction '$SyncDirection'" ERR
continue
}
}
}
if ($ThisServer.SyncItems.Count -eq 0) {
Log "No valid sync items for '$($ThisServer.RemoteHost)'; skipping." WRN
continue
}
$FinalSyncServers += $ThisServer
}
if ($FinalSyncServers.Count -eq 0) {
Log "No valid sync servers found; exiting." WRN
exit 1
}
Log "Initializing syncing tasks..." INF
foreach ($Server in $FinalSyncServers) {
$hostTag = ($Server.RemoteHost -replace '[^a-zA-Z0-9]', '_')
try {
Log "Syncing with server '$($Server.RemoteHost)'" INF
New-PSDrive -Name $Server.DriveLetter -PSProvider FileSystem -Root $Server.SharePath -Credential $Server.Cred -Persist -ErrorAction Stop | Out-Null
foreach ($item in $Server.SyncItems) {
$err = $item.Sync($hostTag, $DryRun)
if ($err) { Log $err ERR }
else { Log "SYNC COMPLETE: $($item.Source) -> $($item.Destination)" INF }
}
}
catch {
Log "Syncing with server '$($Server.RemoteHost)' failed: $($_.Exception.Message)" ERR
}
finally {
Remove-PSDrive -Name $Server.DriveLetter -Force -ErrorAction SilentlyContinue
}
}
|
