Bluscream/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Overwolf WebApp Generator

Generates simple Overwolf WebApps for displaying websites as Overlays
To use it, simply drop the php file somewhere on a webserver using PHP >8, download the accompanying template and extract it into a template/ subfolder next to the php file

  
## index.php
<?php
// ini_set('display_errors', 1);
// ini_set('display_startup_errors', 1);
// error_reporting(E_ALL);

// Template can be found at https://github.com/OverwolfApps/template
$replacements = [
    "url" => "https://minopia.de/ow/webapp-generator/",
    "name" => "WebApp Generator",
    // "description" => "WebApp Generator WebApp for Overwolf",
    "transparent" => "false",
    "resizable" => "true",
    "block_top_window_navigation" => "false",
    "in_game_only" => "false",
    "width" => "1280",
    "height" => "720",
    "top" => "100",
    "left" => "100",
    "hotkey_toggle" => "Alt+W"

];
$templateDir = 'template/';
$memoryLimit = '1024M';

ob_start();

if (!empty($_GET)) {
    foreach ($_GET as $key => $value) {
        if (array_key_exists($key, $replacements)) {
            $replacements[$key] = $value;
        }
    }
}
?>

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Overwolf WebApp Generator</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
</head>

<body>

    <div class="container mt-5">
        <h2>Generate Overwolf WebApp</h2>
        <form method="post" action="" enctype="multipart/form-data">
            <?php foreach ($replacements as $replacement => $placeholder): ?>
                <div class="mb-3">
                    <label for="<?= $replacement ?>"
                        class="form-label"><?= ucfirst(str_replace("_", " ", $replacement)) ?></label>
                    <input type="text" class="form-control" id="<?= $replacement ?>" name="<?= $replacement ?>"
                        value="<?= $placeholder ?>">
                </div>
            <?php endforeach; ?>
            <button type="submit" class="btn btn-primary">Generate</button>
        </form>
    </div>

<?php
    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
        if (!filter_var($_POST["url"], FILTER_VALIDATE_URL)) {
            echo "Invalid URL provided.";
            exit;
        }
        ini_set('memory_limit', $memoryLimit);

        $generator_url = full_url( $_SERVER );
        $now = date('Y-m-d H:i:s');
        $url_hash = md5($_POST["url"]);
        $archivePath = sys_get_temp_dir() . "/$url_hash.zip";
        if (is_file($archivePath))
            unlink($archivePath);
        $zip = new ZipArchive();
        if ($zip->open($archivePath, ZipArchive::CREATE) !== TRUE)
            throw new Exception("Unable to create zip file at $archivePath");

        $dirIterator = new RecursiveDirectoryIterator($templateDir);
        $iterator = new RecursiveIteratorIterator($dirIterator);
        foreach ($iterator as $file) {
            $file_no_prefix = removeOccurence($file, DIRECTORY_SEPARATOR);
            if (str_ends_with($file, '.')) {
            } else if (substr($file, -1) === DIRECTORY_SEPARATOR) {
                $zip->addEmptyDir($file_no_prefix);
            } else {
                $get_path = $file->getRealPath();
                if (is_file($get_path)) {
                    $originalFile = fopen($get_path, 'r+');
                    rewind($originalFile);
                    $file_content = stream_get_contents($originalFile);
                    foreach ($replacements as $replacement => $placeholder) {
                        $file_content = str_replace("{" . $replacement . "}", $_POST[$replacement], $file_content);
                    }
                    $file_content = str_replace('{now}', $now, $file_content);
                    $file_content = str_replace('{generator_url}', $generator_url, $file_content);
                    rewind($originalFile);
                    $zip->addFromString($file_no_prefix, $file_content);
                    fclose($originalFile);
                }
            }
        }
        $zip->addFromString('icons/IconMouseNormal.png', fetchFaviconAsString($_POST["url"]));
        $zip->close();
        header('Content-Type: application/zip');
        $archiveName = $_POST["name"] . '.opk';
        header('Content-Disposition: attachment; filename="' . $archiveName . '"');
        readfile($archivePath);
        unlink($archivePath); // Clean up the ZIP file after sending
    }

    function removeOccurence(string $input, string $separator, int $occurence = 0): string
    {
        $split = explode($separator, $input);
        unset($split[$occurence]);
        return implode($separator, $split);
    }

    function removeDir(string $dir): void
    {
        $it = new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS);
        $files = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);
        foreach ($files as $file) {
            if ($file->isDir()) {
                rmdir($file->getPathname());
            } else {
                unlink($file->getPathname());
            }
        }
        rmdir($dir);
    }

    function fetchFaviconAsString($url) : string {
        $faviconUrl = "https://t2.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&size=64&url=" . urlencode($url);
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $faviconUrl);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
        $content = curl_exec($ch);
        curl_close($ch);
        if ($content === false)
            return false;
        return $content;
    }

    function url_origin( $s, $use_forwarded_host = false ) : string {
        $ssl      = ( ! empty( $s['HTTPS'] ) && $s['HTTPS'] == 'on' );
        $sp       = strtolower( $s['SERVER_PROTOCOL'] );
        $protocol = substr( $sp, 0, strpos( $sp, '/' ) ) . ( ( $ssl ) ? 's' : '' );
        $port     = $s['SERVER_PORT'];
        $port     = ( ( ! $ssl && $port=='80' ) || ( $ssl && $port=='443' ) ) ? '' : ':'.$port;
        $host     = ( $use_forwarded_host && isset( $s['HTTP_X_FORWARDED_HOST'] ) ) ? $s['HTTP_X_FORWARDED_HOST'] : ( isset( $s['HTTP_HOST'] ) ? $s['HTTP_HOST'] : null );
        $host     = isset( $host ) ? $host : $s['SERVER_NAME'] . $port;
        return $protocol . '://' . $host;
    }

    function full_url( $s, $use_forwarded_host = false ) : string {
        return url_origin( $s, $use_forwarded_host ) . $s['REQUEST_URI'];
    }

?>

    <script type="text/javascript">
    document.addEventListener("DOMContentLoaded", function() {
        var urlParams = new URLSearchParams(window.location.search);
        var submitParam = urlParams.get('submit');
        if (submitParam) document.querySelector('form').submit();
    });
    </script>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.6/dist/umd/popper.min.js"></script>
    <script type="text/javascript" src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.min.js"></script>
</body>

</html>
	<?php
	// ini_set('display_errors', 1);
	// ini_set('display_startup_errors', 1);
	// error_reporting(E_ALL);

	// Template can be found at https://github.com/OverwolfApps/template
	$replacements = [
	"url" => "https://minopia.de/ow/webapp-generator/",
	"name" => "WebApp Generator",
	// "description" => "WebApp Generator WebApp for Overwolf",
	"transparent" => "false",
	"resizable" => "true",
	"block_top_window_navigation" => "false",
	"in_game_only" => "false",
	"width" => "1280",
	"height" => "720",
	"top" => "100",
	"left" => "100",
	"hotkey_toggle" => "Alt+W"

	];
	$templateDir = 'template/';
	$memoryLimit = '1024M';

	ob_start();

	if (!empty($_GET)) {
	foreach ($_GET as $key => $value) {
	if (array_key_exists($key, $replacements)) {
	$replacements[$key] = $value;
	}
	}
	}
	?>

	<!DOCTYPE html>
	<html lang="en">

	<head>
	<meta charset="UTF-8">
	<title>Overwolf WebApp Generator</title>
	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
	</head>

	<body>

	<div class="container mt-5">
	<h2>Generate Overwolf WebApp</h2>
	<form method="post" action="" enctype="multipart/form-data">
	<?php foreach ($replacements as $replacement => $placeholder): ?>
	<div class="mb-3">
	<label for="<?= $replacement ?>"
	class="form-label"><?= ucfirst(str_replace("_", " ", $replacement)) ?></label>
	<input type="text" class="form-control" id="<?= $replacement ?>" name="<?= $replacement ?>"
	value="<?= $placeholder ?>">
	</div>
	<?php endforeach; ?>
	<button type="submit" class="btn btn-primary">Generate</button>
	</form>
	</div>

	<?php
	if ($_SERVER['REQUEST_METHOD'] === 'POST') {
	if (!filter_var($_POST["url"], FILTER_VALIDATE_URL)) {
	echo "Invalid URL provided.";
	exit;
	}
	ini_set('memory_limit', $memoryLimit);

	$generator_url = full_url( $_SERVER );
	$now = date('Y-m-d H:i:s');
	$url_hash = md5($_POST["url"]);
	$archivePath = sys_get_temp_dir() . "/$url_hash.zip";
	if (is_file($archivePath))
	unlink($archivePath);
	$zip = new ZipArchive();
	if ($zip->open($archivePath, ZipArchive::CREATE) !== TRUE)
	throw new Exception("Unable to create zip file at $archivePath");

	$dirIterator = new RecursiveDirectoryIterator($templateDir);
	$iterator = new RecursiveIteratorIterator($dirIterator);
	foreach ($iterator as $file) {
	$file_no_prefix = removeOccurence($file, DIRECTORY_SEPARATOR);
	if (str_ends_with($file, '.')) {
	} else if (substr($file, -1) === DIRECTORY_SEPARATOR) {
	$zip->addEmptyDir($file_no_prefix);
	} else {
	$get_path = $file->getRealPath();
	if (is_file($get_path)) {
	$originalFile = fopen($get_path, 'r+');
	rewind($originalFile);
	$file_content = stream_get_contents($originalFile);
	foreach ($replacements as $replacement => $placeholder) {
	$file_content = str_replace("{" . $replacement . "}", $_POST[$replacement], $file_content);
	}
	$file_content = str_replace('{now}', $now, $file_content);
	$file_content = str_replace('{generator_url}', $generator_url, $file_content);
	rewind($originalFile);
	$zip->addFromString($file_no_prefix, $file_content);
	fclose($originalFile);
	}
	}
	}
	$zip->addFromString('icons/IconMouseNormal.png', fetchFaviconAsString($_POST["url"]));
	$zip->close();
	header('Content-Type: application/zip');
	$archiveName = $_POST["name"] . '.opk';
	header('Content-Disposition: attachment; filename="' . $archiveName . '"');
	readfile($archivePath);
	unlink($archivePath); // Clean up the ZIP file after sending
	}

	function removeOccurence(string $input, string $separator, int $occurence = 0): string
	{
	$split = explode($separator, $input);
	unset($split[$occurence]);
	return implode($separator, $split);
	}

	function removeDir(string $dir): void
	{
	$it = new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS);
	$files = new RecursiveIteratorIterator($it, RecursiveIteratorIterator::CHILD_FIRST);
	foreach ($files as $file) {
	if ($file->isDir()) {
	rmdir($file->getPathname());
	} else {
	unlink($file->getPathname());
	}
	}
	rmdir($dir);
	}

	function fetchFaviconAsString($url) : string {
	$faviconUrl = "https://t2.gstatic.com/faviconV2?client=SOCIAL&type=FAVICON&fallback_opts=TYPE,SIZE,URL&size=64&url=" . urlencode($url);
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, $faviconUrl);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
	$content = curl_exec($ch);
	curl_close($ch);
	if ($content === false)
	return false;
	return $content;
	}

	function url_origin( $s, $use_forwarded_host = false ) : string {
	$ssl = ( ! empty( $s['HTTPS'] ) && $s['HTTPS'] == 'on' );
	$sp = strtolower( $s['SERVER_PROTOCOL'] );
	$protocol = substr( $sp, 0, strpos( $sp, '/' ) ) . ( ( $ssl ) ? 's' : '' );
	$port = $s['SERVER_PORT'];
	$port = ( ( ! $ssl && $port=='80' ) \|\| ( $ssl && $port=='443' ) ) ? '' : ':'.$port;
	$host = ( $use_forwarded_host && isset( $s['HTTP_X_FORWARDED_HOST'] ) ) ? $s['HTTP_X_FORWARDED_HOST'] : ( isset( $s['HTTP_HOST'] ) ? $s['HTTP_HOST'] : null );
	$host = isset( $host ) ? $host : $s['SERVER_NAME'] . $port;
	return $protocol . '://' . $host;
	}

	function full_url( $s, $use_forwarded_host = false ) : string {
	return url_origin( $s, $use_forwarded_host ) . $s['REQUEST_URI'];
	}

	?>

	<script type="text/javascript">
	document.addEventListener("DOMContentLoaded", function() {
	var urlParams = new URLSearchParams(window.location.search);
	var submitParam = urlParams.get('submit');
	if (submitParam) document.querySelector('form').submit();
	});
	</script>
	<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.6/dist/umd/popper.min.js"></script>
	<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.min.js"></script>
	</body>

	</html>