112 lines
4.2 KiB
PowerShell
112 lines
4.2 KiB
PowerShell
function Invoke-TasksCompleted {
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param($Context)
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Write-LogHybrid "All UI-selected tasks processed" Info UI -LogToEvent
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Send-Text $Context "Tasks completion acknowledged."
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}
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function Dispatch-Request {
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param($Context)
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if ($null -eq $Context -or $null -eq $Context.Request -or $null -eq $Context.Request.Url) {
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return
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}
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try {
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$path = $Context.Request.Url.AbsolutePath.TrimStart('/')
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switch -Regex ($path) {
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'^$' {
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$html = Get-UIHtml -Page 'onboard'
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Send-HTML $Context $html
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return
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}
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'^samy\.js$' {
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Send-RemoteAsset -Context $Context -Url $Script:SamyJsUrl -ContentType 'application/javascript; charset=utf-8'
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return
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}
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'^samy\.css$' {
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Send-RemoteAsset -Context $Context -Url $Script:SamyCssUrl -ContentType 'text/css; charset=utf-8'
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return
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}
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'^SVS_logo\.svg$' {
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Send-RemoteAsset -Context $Context -Url $Script:SamyTopLogoUrl -ContentType 'image/svg+xml'
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return
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}
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'^SAMY\.png$' {
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Send-RemoteAsset -Context $Context -Url $Script:SamyBgLogoUrl -ContentType 'image/png'
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return
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}
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'^SVS_Favicon\.ico$' {
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Send-RemoteAsset -Context $Context -Url $Script:SamyFaviconUrl -ContentType 'image/x-icon'
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return
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}
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}
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if ($path -eq 'quit') {
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Write-LogHybrid "Shutdown requested" "Info" "Server" -LogToEvent
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Send-Text $Context "Server shutting down."
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$Global:Listener.Stop()
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return
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}
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if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'tasksCompleted') { Invoke-TasksCompleted $Context; return }
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if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'getpw') { Invoke-FetchSites $Context; return }
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if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'renameComputer') { Invoke-RenameComputer $Context; return }
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if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'getprinters') { Invoke-GetPrinters $Context; return }
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if ($Context.Request.HttpMethod -eq 'POST' -and $path -eq 'installprinters'){ Invoke-InstallPrinters $Context; return }
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if ($path -in @('onboard', 'offboard', 'devices')) {
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$html = Get-UIHtml -Page $path
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Send-HTML $Context $html
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return
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}
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$task = $Global:SamyTasks | Where-Object Name -EQ $path | Select-Object -First 1
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if ($task) {
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$fn = Get-TaskHandlerName -Task $task
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if ([string]::IsNullOrWhiteSpace($fn)) {
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$Context.Response.StatusCode = 500
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Send-Text $Context "Task '$($task.Label)' is missing a handler (HandlerFn/Handler/Fn/Name)."
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return
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}
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$cmd = Get-Command -Name $fn -ErrorAction SilentlyContinue
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if (-not $cmd) {
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$Context.Response.StatusCode = 500
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Send-Text $Context "Handler not found: $fn"
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return
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}
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if ($cmd.Parameters.ContainsKey('Context')) { & $fn -Context $Context }
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else { & $fn }
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return
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}
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$Context.Response.StatusCode = 404
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Send-Text $Context '404 - Not Found'
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}
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catch {
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# Always return something so clients don't hang
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try {
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$Context.Response.StatusCode = 500
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$pos = if ($_.InvocationInfo) { $_.InvocationInfo.PositionMessage } else { "" }
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$stk = if ($_.ScriptStackTrace) { $_.ScriptStackTrace } else { "" }
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$msg = "Dispatch error: $($_.Exception.Message)`n$pos`n$stk"
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$bytes = [Text.Encoding]::UTF8.GetBytes($msg)
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$Context.Response.ContentType = 'text/plain; charset=utf-8'
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$Context.Response.ContentLength64 = $bytes.Length
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$Context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
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} catch { }
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}
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finally {
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try { $Context.Response.OutputStream.Close() } catch { }
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try { $Context.Response.Close() } catch { }
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}
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}
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