Merge pull request #8 from BrowserStackCE/optimisatons

Optimisatons

Author: samirans89

win/proxy-check.ps1

@@ -0,0 +1,135 @@
+#requires -version 5.0
+<#
+  BrowserStack Proxy Detection and Validation
+  - Detects proxy from environment variables
+  - Tests BrowserStack API connectivity through proxy
+  - Exports PROXY_HOST and PROXY_PORT if successful
+#>
+
+param(
+    [string]$BrowserStackUsername,
+    [string]$BrowserStackAccessKey
+)
+
+$ErrorActionPreference = 'Continue'
+
+# Test URL for connectivity check
+$TEST_URL = "https://www.browserstack.com/automate/browsers.json"
+
+# Function to parse proxy URL
+function Parse-ProxyUrl {
+    param([string]$ProxyUrl)
+    
+    if ([string]::IsNullOrWhiteSpace($ProxyUrl)) {
+        return $null
+    }
+    
+    # Remove protocol (http:// or https://)
+    $cleaned = $ProxyUrl -replace '^https?://', ''
+    
+    # Remove credentials if present (user:pass@)
+    if ($cleaned -match '@') {
+        $cleaned = $cleaned.Substring($cleaned.IndexOf('@') + 1)
+    }
+    
+    # Extract host and port
+    if ($cleaned -match '^([^:]+):(\d+)') {
+        return @{
+            Host = $matches[1]
+            Port = $matches[2]
+        }
+    } elseif ($cleaned -match '^([^:]+)') {
+        # No port specified, use default
+        return @{
+            Host = $matches[1]
+            Port = "8080"  # default proxy port
+        }
+    }
+    
+    return $null
+}
+
+# Detect proxy from environment variables (case-insensitive)
+$PROXY = $env:http_proxy
+if ([string]::IsNullOrWhiteSpace($PROXY)) { $PROXY = $env:HTTP_PROXY }
+if ([string]::IsNullOrWhiteSpace($PROXY)) { $PROXY = $env:https_proxy }
+if ([string]::IsNullOrWhiteSpace($PROXY)) { $PROXY = $env:HTTPS_PROXY }
+
+# Reset output variables
+$env:PROXY_HOST = ""
+$env:PROXY_PORT = ""
+
+# If no proxy configured, exit early
+if ([string]::IsNullOrWhiteSpace($PROXY)) {
+    Write-Host "No proxy found in environment. Clearing proxy host and port variables."
+    $env:PROXY_HOST = ""
+    $env:PROXY_PORT = ""
+    exit 0
+}
+
+Write-Host "Proxy detected: $PROXY"
+
+# Parse proxy URL
+$proxyInfo = Parse-ProxyUrl -ProxyUrl $PROXY
+if (-not $proxyInfo) {
+    Write-Host "❌ Failed to parse proxy URL: $PROXY"
+    $env:PROXY_HOST = ""
+    $env:PROXY_PORT = ""
+    exit 1
+}
+
+Write-Host "Testing reachability via proxy..."
+Write-Host "  Proxy Host: $($proxyInfo.Host)"
+Write-Host "  Proxy Port: $($proxyInfo.Port)"
+
+# Encode BrowserStack credentials in Base64
+$base64Creds = ""
+if (-not [string]::IsNullOrWhiteSpace($BrowserStackUsername) -and 
+    -not [string]::IsNullOrWhiteSpace($BrowserStackAccessKey)) {
+    $pair = "${BrowserStackUsername}:${BrowserStackAccessKey}"
+    $bytes = [System.Text.Encoding]::UTF8.GetBytes($pair)
+    $base64Creds = [System.Convert]::ToBase64String($bytes)
+}
+
+# Test connectivity through proxy
+try {
+    $proxyUri = "http://$($proxyInfo.Host):$($proxyInfo.Port)"
+    
+    # Create web request with proxy
+    $webProxy = New-Object System.Net.WebProxy($proxyUri)
+    $webClient = New-Object System.Net.WebClient
+    $webClient.Proxy = $webProxy
+    
+    # Add authorization header if credentials provided
+    if (-not [string]::IsNullOrWhiteSpace($base64Creds)) {
+        $webClient.Headers.Add("Authorization", "Basic $base64Creds")
+    }
+    
+    # Attempt to download (with timeout)
+    $null = $webClient.DownloadString($TEST_URL)
+    
+    # If we reach here, the request succeeded
+    Write-Host "✅ Reachable. HTTP 200"
+    Write-Host "Exporting PROXY_HOST=$($proxyInfo.Host)"
+    Write-Host "Exporting PROXY_PORT=$($proxyInfo.Port)"
+    
+    $env:PROXY_HOST = $proxyInfo.Host
+    $env:PROXY_PORT = $proxyInfo.Port
+    
+    exit 0
+    
+} catch {
+    $statusCode = "Unknown"
+    if ($_.Exception.InnerException -and $_.Exception.InnerException.Response) {
+        $statusCode = [int]$_.Exception.InnerException.Response.StatusCode
+    }
+    
+    Write-Host "❌ Not reachable (HTTP $statusCode). Clearing variables."
+    Write-Host "   Error: $($_.Exception.Message)"
+    
+    $env:PROXY_HOST = ""
+    $env:PROXY_PORT = ""
+    
+    exit 0  # Exit successfully even if proxy check fails
+}
+