Minecraft native launcher log reader

gistfile1.ps1

## Configuration

# The log path that Minecraft's native log uses. Update this if it changes.
$LogPath = "\Minecraft\nativelog.txt";
$VERSION = "1.1";

# Set the absolute log path based on OS arc
if ([System.IntPtr]::Size -eq 4) {
    $AbsoluteLogPath = $env:ProgramFiles + $LogPath;
} else {
    $AbsoluteLogPath = ${env:ProgramFiles(x86)} + $LogPath;  
}

## Imports

Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Web
Add-Type -AssemblyName Microsoft.VisualBasic

## Start log search

# Do some IO checks and if the file is found, grab the content
try {
    $content = [IO.File]::ReadAllText($AbsoluteLogPath);
} catch [System.IO.DirectoryNotFoundException] {
    [System.Windows.Forms.MessageBox]::Show("The native Minecraft directory was not found in '{0}'. Please ensure that the Minecraft installer was able to run." -f $AbsoluteLogPath, "Directory not found", 0, "warning")
    exit;
} catch [System.IO.FileNotFoundException] {
    [System.Windows.Forms.MessageBox]::Show("The native Minecraft directory was found, but no log file exists. Please try running the native Minecraft launcher again.", "File not found", 0, "warning");
    exit;
} catch [System.UnauthorizedAccessException] {
    [System.Windows.Forms.MessageBox]::Show("The native Minecraft directory was found in '{0}', but read access was denied. Please try running this program again with administrator privileges." -f $AbsoluteLogPath, "Access is denied", 0, "error");
    exit;
} catch [System.IO.IOException] {
    [System.Windows.Forms.MessageBox]::Show("An unknown IO Exception occured while getting the contents of '{0}'. Please ensure that the Minecraft launcher is *not* running and try again.`nError: {1}" -f ($AbsoluteLogPath, $_), "Unknown IO Exception", 0, "error");
    exit;
} catch [System.Exception] {
    [System.Windows.Forms.MessageBox]::Show("A system exception occured.`nError: {1}" -f ($AbsoluteLogPath, $_), "System Exception", 0, "error");
    exit;
}

# courtesy of http://www.revindex.com/Resources/KnowledgeBase/RevindexTaskScheduler/tabid/190/rvdwktid/web-post-powershell-245/Default.aspx
# This uses the legacy WebRequest to mantain compatability with pre-PowerShell 2.0 (pre-Windows 7 SP1)
Function PostWebRequest([String] $url, [String] $data, [int] $timeout)
{
    $buffer = [System.Text.Encoding]::UTF8.GetBytes($data)
    [System.Net.HttpWebRequest] $webRequest = [System.Net.WebRequest]::Create($url)
    $webRequest.Timeout = $timeout
    $webRequest.Method = "POST"
    $webRequest.ContentType = "application/x-www-form-urlencoded"
    # add in user agent
    $webRequest.UserAgent = "Mozilla/5.0 (Windows NT; "+(get-itemproperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion" -Name ProductName).ProductName+"; en-US) WindowsPowerShell/3.0 MinecraftNativeLogReader/"+$VERSION;
    $webRequest.ContentLength = $buffer.Length;


    $requestStream = $webRequest.GetRequestStream()
    $requestStream.Write($buffer, 0, $buffer.Length)
    $requestStream.Flush()
    $requestStream.Close()


    [System.Net.HttpWebResponse] $webResponse = $webRequest.GetResponse()
    $streamReader = New-Object System.IO.StreamReader($webResponse.GetResponseStream())
    $result = $streamReader.ReadToEnd()
    return $result
}

try {
    $Payload = "sprunge=" + [System.Web.HttpUtility]::UrlEncode($content);
    # grab the URL and copy it to the clipboard
    $url = PostWebRequest "http://sprunge.us/" $Payload 4000;
    $url | clip;
    [Microsoft.VisualBasic.Interaction]::InputBox("The generated URL is listed below. It has been automatically copied to your clipboard.`nPlease give it to whom is helping you by using Ctrl+V (or right click -> Paste) to paste.", "Successfully submitted file", $url);
} catch [System.Exception] {
    Write-Host "An exception occured: " + $_; 
    [System.Windows.Forms.MessageBox]::Show("The program could not automatically submit the contents to a paste service.`n`nA notepad window will instead be opened containing the native log.`nPlease copy everything in the notepad window that will open, and paste it to the text box at http://pastebin.com/ - afterwards press 'Submit' and give whom is helping you the URL to which it should redirect you.", "Manual action required", 0, "warning")
    notepad ($AbsoluteLogPath);
}