Add src/http.ps1

src/http.ps1

@@ -0,0 +1,83 @@
+function Send-Text {
+    param($Context, $Text)
+    if (-not $Context -or -not $Context.Response) { return }
+    $bytes = [Text.Encoding]::UTF8.GetBytes($Text)
+    $Context.Response.ContentType     = 'text/plain'
+    $Context.Response.ContentLength64 = $bytes.Length
+    $Context.Response.OutputStream.Write($bytes,0,$bytes.Length)
+    $Context.Response.OutputStream.Close()
+}
+
+function Send-HTML {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory = $true)][object] $Context,
+        [Parameter(Mandatory = $true)][string] $Html
+    )
+
+    if (-not $Context -or -not $Context.Response) { return }
+
+    try {
+        $Context.Response.Headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
+        $Context.Response.Headers["Pragma"]        = "no-cache"
+        $Context.Response.Headers["Expires"]       = "0"
+    } catch { }
+
+    $bytes = [Text.Encoding]::UTF8.GetBytes($Html)
+    $Context.Response.ContentType     = "text/html; charset=utf-8"
+    $Context.Response.ContentLength64 = $bytes.Length
+    $Context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
+    $Context.Response.OutputStream.Close()
+}
+
+function Send-JSON {
+    [CmdletBinding()]
+    param(
+        $Context,
+        $Object
+    )
+
+    if (-not $Context -or -not $Context.Response) { return }
+
+    $json = $null
+
+    try {
+        if ($null -eq $Object) {
+            Write-LogHybrid "Send-JSON called with `$null object; returning empty JSON array." Warning Printers -LogToEvent
+            $json = '[]'
+        }
+        else {
+            try { $json = $Object | ConvertTo-Json -Depth 8 -ErrorAction Stop }
+            catch {
+                Write-LogHybrid "Send-JSON serialization failed: $($_.Exception.Message); returning empty JSON array." Error Printers -LogToEvent
+                $json = '[]'
+            }
+        }
+
+        $json = [string]$json
+
+        try {
+            $Context.Response.Headers["Cache-Control"] = "no-store, no-cache, must-revalidate, max-age=0"
+            $Context.Response.Headers["Pragma"]        = "no-cache"
+            $Context.Response.Headers["Expires"]       = "0"
+        } catch { }
+
+        $bytes = [Text.Encoding]::UTF8.GetBytes($json)
+        $Context.Response.ContentType     = "application/json; charset=utf-8"
+        $Context.Response.ContentLength64 = $bytes.Length
+        $Context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
+    }
+    catch {
+        Write-LogHybrid "Send-JSON fatal error: $($_.Exception.Message)" Error Printers -LogToEvent
+        try {
+            $fallback = '[]'
+            $bytes = [Text.Encoding]::UTF8.GetBytes($fallback)
+            $Context.Response.ContentType     = "application/json; charset=utf-8"
+            $Context.Response.ContentLength64 = $bytes.Length
+            $Context.Response.OutputStream.Write($bytes, 0, $bytes.Length)
+        } catch { }
+    }
+    finally {
+        try { $Context.Response.OutputStream.Close() } catch { }
+    }
+}