Fix Browser Problems

# Maotaw Browser Extension Audit Shortcut
$ErrorActionPreference = 'SilentlyContinue'
try { Add-Type -AssemblyName PresentationFramework } catch {}
try { Add-Type -AssemblyName System.Windows.Forms } catch {}

$targets = @(
  'Unknown or random-name extensions',
  'Duplicate extensions that do the same job',
  'Shopping, coupon, cashback, or price-tracker add-ons',
  'Search helper, new-tab, or homepage changer extensions',
  'VPN, proxy, or privacy add-ons you did not intentionally install',
  'PDF, video downloader, or file converter add-ons from unknown publishers',
  'Extensions with access to read and change data on all websites'
)

$targetText = ($targets | ForEach-Object { '- ' + $_ }) -join "`r`n"
$confirm = $null

try {
  $confirm = [System.Windows.MessageBox]::Show(
    "Maotaw will open extension managers for browsers it finds on this PC.`n`nReview these first:`n$targetText`n`nOpen extension managers now?",
    'Maotaw Browser Extension Audit',
    [System.Windows.MessageBoxButton]::YesNo,
    [System.Windows.MessageBoxImage]::Question
  )
} catch {
  try {
    $confirm = [System.Windows.Forms.MessageBox]::Show(
      "Maotaw will open extension managers for browsers it finds on this PC.`r`n`r`nReview these first:`r`n$targetText`r`n`r`nOpen extension managers now?",
      'Maotaw Browser Extension Audit',
      [System.Windows.Forms.MessageBoxButtons]::YesNo,
      [System.Windows.Forms.MessageBoxIcon]::Question
    )
  } catch {}
}

if ($confirm -and $confirm.ToString() -notmatch '^Yes$') {
  Write-Host 'Browser extension audit cancelled by user.'
  return
}

$opened = New-Object System.Collections.Generic.List[string]

function Get-AppPathExecutable {
  param([string[]]$ExeNames)

  foreach ($exeName in $ExeNames) {
    foreach ($root in @(
      'HKCU:\Software\Microsoft\Windows\CurrentVersion\App Paths',
      'HKLM:\Software\Microsoft\Windows\CurrentVersion\App Paths',
      'HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\App Paths'
    )) {
      $key = Join-Path $root $exeName
      try {
        $value = (Get-ItemProperty -Path $key -ErrorAction Stop).'(default)'
        if (-not [string]::IsNullOrWhiteSpace($value) -and (Test-Path $value)) { return $value }
      } catch {}
    }
  }

  return $null
}

function Find-RunningBrowserPath {
  param([string[]]$ProcessNames)

  foreach ($name in $ProcessNames) {
    try {
      $proc = Get-CimInstance Win32_Process -Filter "Name = '$name'" -ErrorAction Stop | Select-Object -First 1
      if ($proc -and $proc.ExecutablePath -and (Test-Path $proc.ExecutablePath)) { return $proc.ExecutablePath }
    } catch {}

    try {
      $base = [System.IO.Path]::GetFileNameWithoutExtension($name)
      $proc2 = Get-Process -Name $base -ErrorAction Stop | Select-Object -First 1
      if ($proc2 -and $proc2.Path -and (Test-Path $proc2.Path)) { return $proc2.Path }
    } catch {}
  }

  return $null
}

function Find-BrowserPath {
  param([string[]]$Candidates, [string[]]$ExeNames)

  foreach ($candidate in $Candidates) {
    if ([string]::IsNullOrWhiteSpace($candidate)) { continue }
    $expanded = [Environment]::ExpandEnvironmentVariables($candidate)
    if (Test-Path $expanded) { return $expanded }
  }

  $fromRunning = Find-RunningBrowserPath -ProcessNames $ExeNames
  if ($fromRunning) { return $fromRunning }

  $fromRegistry = Get-AppPathExecutable -ExeNames $ExeNames
  if ($fromRegistry) { return $fromRegistry }

  foreach ($exeName in $ExeNames) {
    try {
      $cmd = Get-Command $exeName -ErrorAction Stop
      if ($cmd -and $cmd.Source -and (Test-Path $cmd.Source)) { return $cmd.Source }
    } catch {}
  }

  return $null
}

function Open-BrowserManager {
  param(
    [string]$Name,
    [string[]]$Candidates,
    [string[]]$ExeNames,
    [string[]]$Arguments
  )

  $exe = Find-BrowserPath -Candidates $Candidates -ExeNames $ExeNames
  if ($exe) {
    try {
      Start-Process -FilePath $exe -ArgumentList $Arguments
      $opened.Add($Name) | Out-Null
      return $true
    } catch {
      try {
        Start-Process -FilePath $exe
        $opened.Add($Name + ' (opened browser only)') | Out-Null
        return $true
      } catch {}
    }
  }

  return $false
}

$local = $env:LOCALAPPDATA
$programFiles = $env:ProgramFiles
$programFilesX86 = ${env:ProgramFiles(x86)}

Open-BrowserManager -Name 'Microsoft Edge' -ExeNames @('msedge.exe') -Candidates @(
  (Join-Path $programFiles 'MicrosoftEdgeApplicationmsedge.exe'),
  (Join-Path $programFilesX86 'MicrosoftEdgeApplicationmsedge.exe'),
  (Join-Path $local 'MicrosoftEdgeApplicationmsedge.exe')
) -Arguments @('--extensions') | Out-Null

Open-BrowserManager -Name 'Google Chrome' -ExeNames @('chrome.exe') -Candidates @(
  (Join-Path $programFiles 'GoogleChromeApplicationchrome.exe'),
  (Join-Path $programFilesX86 'GoogleChromeApplicationchrome.exe'),
  (Join-Path $local 'GoogleChromeApplicationchrome.exe')
) -Arguments @('--extensions') | Out-Null

Open-BrowserManager -Name 'Brave' -ExeNames @('brave.exe') -Candidates @(
  (Join-Path $programFiles 'BraveSoftwareBrave-BrowserApplicationrave.exe'),
  (Join-Path $programFilesX86 'BraveSoftwareBrave-BrowserApplicationrave.exe'),
  (Join-Path $local 'BraveSoftwareBrave-BrowserApplicationrave.exe')
) -Arguments @('--extensions') | Out-Null

Open-BrowserManager -Name 'Opera' -ExeNames @('opera.exe', 'launcher.exe') -Candidates @(
  (Join-Path $local 'ProgramsOperaopera.exe'),
  (Join-Path $local 'ProgramsOpera GXopera.exe'),
  (Join-Path $programFiles 'Operalauncher.exe'),
  (Join-Path $programFilesX86 'Operalauncher.exe')
) -Arguments @('opera://extensions') | Out-Null

Open-BrowserManager -Name 'Firefox' -ExeNames @('firefox.exe') -Candidates @(
  (Join-Path $programFiles 'Mozilla Firefoxirefox.exe'),
  (Join-Path $programFilesX86 'Mozilla Firefoxirefox.exe'),
  (Join-Path $local 'Mozilla Firefoxirefox.exe')
) -Arguments @('about:addons') | Out-Null

if ($opened.Count -gt 0) {
  Write-Host ('Opened extension managers for: ' + ($opened -join ', '))
  Write-Host 'Remove unknown, duplicate, shopping, coupon, VPN, search-helper, and broad-permission extensions first.'
} else {
  Write-Host 'No supported browser executable was found in common paths, running browser processes, App Paths registry entries, or command lookups, so no extension manager page was opened.'
  Write-Host 'Open your browser manually, then go to its Extensions/Add-ons page and remove suspicious add-ons there.'
}