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www.mikescher.com/www/internals/utils.php

406 lines
14 KiB
PHP

<?php if(count(get_included_files()) ==1) exit("Direct access not permitted.");
global $CONFIG;
$CONFIG = require 'config.php';
global $CSS_BASE;
$CSS_BASE = ($CONFIG['prod']) ? ('/data/css/styles.min.css') : ('/data/css/styles.css');
global $ADDITIONAL_SCRIPTS;
global $ADDITIONAL_STYLESHEETS;
$ADDITIONAL_SCRIPTS = [];
$ADDITIONAL_STYLESHEETS = [];
function startsWith($haystack, $needle)
{
$length = strlen($needle);
return (substr($haystack, 0, $length) === $needle);
}
function endsWith($haystack, $needle)
{
$length = strlen($needle);
return $length === 0 || (substr($haystack, -$length) === $needle);
}
function httpError($errorcode, $message)
{
ob_clean();
http_response_code($errorcode);
global $OPTIONS;
$OPTIONS = [ 'code' => $errorcode, 'message' => $message ];
require (__DIR__ . '/../pages/errorview.php');
die();
}
function httpDie($errorcode, $message)
{
ob_flush();
http_response_code($errorcode);
die($message);
}
function destructiveUrlEncode($str) {
$str = str_replace(' ', '_', $str);
$str = str_replace('+', '_', $str);
$str = str_replace(':', '_', $str);
$str = str_replace('.', '', $str);
return urlencode($str);
}
function formatMilliseconds($millis)
{
if ($millis < 1000)
{
return $millis . 'ms';
}
else if ($millis < 10 * 1000)
{
return number_format($millis / (1000), 2) . 's';
}
else if ($millis < 60 * 1000)
{
return floor($millis / (1000)) . 's';
}
else if ($millis < 10 * 60 * 1000)
{
return floor($millis / (60 * 1000)) . 'min ' . floor(($millis % (60 * 1000)) / 1000) . 's';
}
else if ($millis < 60 * 60 * 1000)
{
return floor($millis / (60 * 1000)) . 'min';
}
else if ($millis < 10 * 60 * 60 * 1000)
{
return number_format($millis / (60 * 60 * 1000), 2) . ' hours';
}
else
{
return floor($millis / (60 * 60 * 1000)) . ' hours';
}
}
function includeAdditionalScript($script, $attr='', $printImmediately = false) {
global $ADDITIONAL_SCRIPTS;
if (in_array($script, $ADDITIONAL_SCRIPTS)) return false;
if ($printImmediately) {
$ADDITIONAL_SCRIPTS[$script] = ['src' => $script, 'attr' => $attr, 'consumed' => true];
echo '<script src="'.$script.'" type="text/javascript" '.$attr.'></script>';
return true;
} else {
$ADDITIONAL_SCRIPTS[$script] = ['src' => $script, 'attr' => $attr, 'consumed' => false];
return true;
}
}
function includeAdditionalStylesheet($sheet, $attr='', $printImmediately = false) {
global $ADDITIONAL_STYLESHEETS;
if (in_array($sheet, $ADDITIONAL_STYLESHEETS)) return false;
if ($printImmediately) {
$ADDITIONAL_STYLESHEETS[$sheet] = ['src' => $sheet, 'attr' => $attr, 'consumed' => true];
echo '<link rel="stylesheet" href="' . $sheet . '" '.$attr.'/>';
return true;
} else {
$ADDITIONAL_STYLESHEETS[$sheet] = ['src' => $sheet, 'attr' => $attr, 'consumed' => false];
return true;
}
}
function printHeaderCSS() {
global $CSS_BASE;
includeAdditionalStylesheet($CSS_BASE, '', true);
}
function printAdditionalScripts() {
global $ADDITIONAL_SCRIPTS;
foreach ($ADDITIONAL_SCRIPTS as $d) {
if ($d['consumed']) continue;
echo '<script src="' . $d['src'] . '" type="text/javascript" ' . $d['attr'] . '></script>';
$d['consumed'] = true;
}
}
function printAdditionalStylesheets() {
global $ADDITIONAL_STYLESHEETS;
foreach ($ADDITIONAL_STYLESHEETS as $d) {
if ($d['consumed']) continue;
echo '<link rel="stylesheet" href="' . $d['src'] . '" ' . $d['attr'] . '/>';
$d['consumed'] = true;
}
}
function isProd() {
global $CONFIG;
return $CONFIG['prod'];
}
function convertCountryToFlag($country) {
$country = trim(strtolower($country));
if ($country === 'italy') return '/data/images/flags/013-italy.svg';
if ($country === 'china') return '/data/images/flags/034-china.svg';
if ($country === 'japan') return '/data/images/flags/063-japan.svg';
if ($country === 'un') return '/data/images/flags/082-united-nations.svg';
if ($country === 'south korea') return '/data/images/flags/094-south-korea.svg';
if ($country === 'spain') return '/data/images/flags/128-spain.svg';
if ($country === 'norway') return '/data/images/flags/143-norway.svg';
if ($country === 'Czech') return '/data/images/flags/149-czech-republic.svg';
if ($country === 'germany') return '/data/images/flags/162-germany.svg';
if ($country === 'sweden') return '/data/images/flags/184-sweden.svg';
if ($country === 'france') return '/data/images/flags/195-france.svg';
if ($country === 'switzerland') return '/data/images/flags/205-switzerland.svg';
if ($country === 'england') return '/data/images/flags/216-england.svg';
if ($country === 'usa') return '/data/images/flags/226-united-states.svg';
if ($country === 'america') return '/data/images/flags/226-united-states.svg';
if ($country === 'canada') return '/data/images/flags/243-canada.svg';
if ($country === 'russia') return '/data/images/flags/248-russia.svg';
if ($country === 'eu') return '/data/images/flags/259-european-union.svg';
if ($country === 'uk') return '/data/images/flags/260-united-kingdom.svg';
return null;
}
function convertLanguageToFlag($lang) {
$lang = trim(strtolower($lang));
if ($lang === 'italian') return '/data/images/flags/013-italy.svg';
if ($lang === 'english') return '/data/images/flags/226-united-states.svg';
if ($lang === 'french') return '/data/images/flags/195-france.svg';
if ($lang === 'german') return '/data/images/flags/162-germany.svg';
if ($lang === 'spanish') return '/data/images/flags/128-spain.svg';
return null;
}
function setLoginCookie($user, $pass)
{
$expires = time() + (24*60*60); // 24h
$hash = hash('sha256', $user . ';' . $pass . ';' . gmdate('Y-m-d'));
setcookie('mikescher_auth', $hash, $expires);
}
function isLoggedInByCookie()
{
static $_loginCache = null;
if ($_loginCache !== null) return $_loginCache;
global $CONFIG;
if (key_exists('mikescher_auth', $_COOKIE))
{
if (strlen($_COOKIE['mikescher_auth']) !== 64) return $_loginCache = false;
$auth = hash('sha256', $CONFIG['admin_username'] . ';' . $CONFIG['admin_password'] . ';' . gmdate('Y-m-d'));
if ($auth === $_COOKIE['mikescher_auth']) return $_loginCache = true;
}
return $_loginCache = false;
}
function clearLoginCookie()
{
setcookie("mikescher_auth", "", time()+30);
}
/**
* easy image resize function
* @author http://www.nimrodstech.com/php-image-resize/
* @param string $file - file name to resize
* @param int $width - new image width
* @param int $height - new image height
* @param boolean $proportional - keep image proportional, default is no
* @param string $output - name of the new file (include path if needed)
* @return boolean|resource
*/
function smart_resize_image($file, $width = 0, $height = 0, $proportional, $output)
{
if ( $height <= 0 && $width <= 0 ) return false;
if ( $file === null) return false;
# Setting defaults and meta
$info = getimagesize($file);
$image = '';
$final_width = 0;
$final_height = 0;
list($width_old, $height_old) = $info;
$cropHeight = $cropWidth = 0;
# Calculating proportionality
if ($proportional) {
if ($width == 0) $factor = $height/$height_old;
elseif ($height == 0) $factor = $width/$width_old;
else $factor = min( $width / $width_old, $height / $height_old );
$final_width = round( $width_old * $factor );
$final_height = round( $height_old * $factor );
}
else {
$final_width = ( $width <= 0 ) ? $width_old : $width;
$final_height = ( $height <= 0 ) ? $height_old : $height;
$widthX = $width_old / $width;
$heightX = $height_old / $height;
$x = min($widthX, $heightX);
$cropWidth = ($width_old - $width * $x) / 2;
$cropHeight = ($height_old - $height * $x) / 2;
}
# Loading image to memory according to type
switch ( $info[2] ) {
case IMAGETYPE_JPEG: $image = imagecreatefromjpeg($file); break;
case IMAGETYPE_GIF: $image = imagecreatefromgif($file); break;
case IMAGETYPE_PNG: $image = imagecreatefrompng($file); break;
default: return false;
}
# This is the resizing/resampling/transparency-preserving magic
$image_resized = imagecreatetruecolor( $final_width, $final_height );
if ( ($info[2] == IMAGETYPE_GIF) || ($info[2] == IMAGETYPE_PNG) ) {
$transparency = imagecolortransparent($image);
$palletsize = imagecolorstotal($image);
if ($transparency >= 0 && $transparency < $palletsize) {
$transparent_color = imagecolorsforindex($image, $transparency);
$transparency = imagecolorallocate($image_resized, $transparent_color['red'], $transparent_color['green'], $transparent_color['blue']);
imagefill($image_resized, 0, 0, $transparency);
imagecolortransparent($image_resized, $transparency);
}
elseif ($info[2] == IMAGETYPE_PNG) {
imagealphablending($image_resized, false);
$color = imagecolorallocatealpha($image_resized, 0, 0, 0, 127);
imagefill($image_resized, 0, 0, $color);
imagesavealpha($image_resized, true);
}
}
imagecopyresampled($image_resized, $image, 0, 0, $cropWidth, $cropHeight, $final_width, $final_height, $width_old - 2 * $cropWidth, $height_old - 2 * $cropHeight);
# Preparing a method of providing result
switch ( strtolower($output) ) {
case 'browser':
$mime = image_type_to_mime_type($info[2]);
header("Content-type: $mime");
$output = NULL;
break;
case 'file':
$output = $file;
break;
case 'return':
return $image_resized;
break;
default:
break;
}
# Writing image according to type to the output destination and image quality
switch ( $info[2] ) {
case IMAGETYPE_GIF: imagegif($image_resized, $output); break;
case IMAGETYPE_JPEG: imagejpeg($image_resized, $output, 100); break;
case IMAGETYPE_PNG:
$quality = 9 - (int)((0.9*100)/10.0);
imagepng($image_resized, $output, $quality);
break;
default: return false;
}
return true;
}
/**
* @param string $file - file name to resize
* @param int $width - new image width
* @param int $height - new image height
* @param string $output - name of the new file (include path if needed)
*/
function magick_resize_image($file, $width, $height, $output)
{
list($width_old, $height_old) = getimagesize($file);
if ($width == 0) $factor = $height/$height_old;
elseif ($height == 0) $factor = $width/$width_old;
else $factor = min( $width / $width_old, $height / $height_old );
$final_width = round( $width_old * $factor );
$final_height = round( $height_old * $factor );
$cmd = 'convert "' . $file . '" -strip -resize ' . $final_width . 'x' . $final_height . ' "' . $output . '"';
shell_exec($cmd);
}
function sendMail($subject, $content, $to, $from) {
mail($to, $subject, $content, 'From: ' . $from);
}
function ParamServerOrUndef($idx) {
return isset($_SERVER[$idx]) ? $_SERVER[$idx] : 'NOT_SET';
}
/**
* @param Exception $e
*/
function sendExceptionMail($e)
{
try {
$subject = "Server has encountered an Error at " . date("Y-m-d H:i:s") . "] ";
$content = "";
$content .= 'HTTP_HOST: ' . ParamServerOrUndef('HTTP_HOST') . "\n";
$content .= 'REQUEST_URI: ' . ParamServerOrUndef('REQUEST_URI') . "\n";
$content .= 'TIME: ' . date('Y-m-d H:i:s') . "\n";
$content .= 'REMOTE_ADDR: ' . ParamServerOrUndef('REMOTE_ADDR') . "\n";
$content .= 'HTTP_X_FORWARDED_FOR: ' . ParamServerOrUndef('HTTP_X_FORWARDED_FOR') . "\n";
$content .= 'HTTP_USER_AGENT: ' . ParamServerOrUndef('HTTP_USER_AGENT') . "\n";
$content .= 'MESSAGE:' . "\n" . $e->getMessage() . "\n";
$content .= 'CODE:' . "\n" . $e->getCode() . "\n";
$content .= 'TRACE:' . "\n" . $e->getTraceAsString() . "\n";
$content .= '$_GET:' . "\n" . print_r($_GET, true) . "\n";
$content .= '$_POST:' . "\n" . print_r($_POST, true) . "\n";
$content .= '$_FILES:' . "\n" . print_r($_FILES, true) . "\n";
sendMail($subject, $content, 'virtualadmin@mikescher.de', 'webserver-error@mikescher.com');
}
catch (Exception $e)
{
//
}
}
function get_client_ip() {
if (getenv('HTTP_CLIENT_IP')) return getenv('HTTP_CLIENT_IP');
else if(getenv('HTTP_X_FORWARDED_FOR')) return getenv('HTTP_X_FORWARDED_FOR');
else if(getenv('HTTP_X_FORWARDED')) return getenv('HTTP_X_FORWARDED');
else if(getenv('HTTP_FORWARDED_FOR')) return getenv('HTTP_FORWARDED_FOR');
else if(getenv('HTTP_FORWARDED')) return getenv('HTTP_FORWARDED');
else if(getenv('REMOTE_ADDR')) return getenv('REMOTE_ADDR');
else if (isset($_SERVER['HTTP_CLIENT_IP'])) return $_SERVER['HTTP_CLIENT_IP'];
else if(isset($_SERVER['HTTP_X_FORWARDED_FOR'])) return $_SERVER['HTTP_X_FORWARDED_FOR'];
else if(isset($_SERVER['HTTP_X_FORWARDED'])) return $_SERVER['HTTP_X_FORWARDED'];
else if(isset($_SERVER['HTTP_FORWARDED_FOR'])) return $_SERVER['HTTP_FORWARDED_FOR'];
else if(isset($_SERVER['HTTP_FORWARDED'])) return $_SERVER['HTTP_FORWARDED'];
else if(isset($_SERVER['REMOTE_ADDR'])) return $_SERVER['REMOTE_ADDR'];
else return 'UNKNOWN';
}
function getRandomToken($length = 32)
{
try
{
if(!isset($length) || intval($length) <= 8 ) $length = 32;
if (function_exists('random_bytes')) return bin2hex(random_bytes($length));
if (function_exists('mcrypt_create_iv')) return bin2hex(mcrypt_create_iv($length, MCRYPT_DEV_URANDOM));
if (function_exists('openssl_random_pseudo_bytes')) return bin2hex(openssl_random_pseudo_bytes($length));
}
catch (Exception $e) { throw new InvalidArgumentException($e); }
throw new InvalidArgumentException("No random");
}