144 lines
3.6 KiB
PHP
144 lines
3.6 KiB
PHP
<?php
|
|
|
|
namespace App\Services;
|
|
|
|
use App\Exceptions\E;
|
|
|
|
class Utils
|
|
{
|
|
/**
|
|
* Simple SQL injection protection
|
|
*
|
|
* @param string $string
|
|
* @return string
|
|
*/
|
|
public static function convertString($string)
|
|
{
|
|
return addslashes(trim($string));
|
|
}
|
|
|
|
/**
|
|
* Get the value of key in an array if index exist
|
|
*
|
|
* @param string $key
|
|
* @param array $array
|
|
* @param string $default
|
|
* @return string
|
|
*/
|
|
public static function getValue($key, $array, $default = "")
|
|
{
|
|
return array_key_exists($key, $array) ? $array[$key] : $default;
|
|
}
|
|
|
|
/**
|
|
* Rename uploaded file
|
|
*
|
|
* @param array $file files uploaded via HTTP POST
|
|
* @return string $hash sha256 hash of file
|
|
*/
|
|
public static function upload($file)
|
|
{
|
|
$path = BASE_DIR.'/textures/tmp'.time();
|
|
|
|
if (false === move_uploaded_file($file['tmp_name'], $path)) {
|
|
throw new App\Exceptions\E('Failed to remove uploaded files, please check the permission', 1);
|
|
} else {
|
|
$hash = Storage::hash($path);
|
|
Storage::rename($path, BASE_DIR."/textures/$hash");
|
|
return $hash;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate random string
|
|
*
|
|
* @param int $length
|
|
* @param bool $special_chars
|
|
* @return string
|
|
*/
|
|
public static function generateRndString($length, $special_chars = true)
|
|
{
|
|
$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
|
|
if ($special_chars) $chars .= "!@#$%^&*()-_ []{}<>~`+=,.;:/?|";
|
|
|
|
$rnd_string = '';
|
|
for ($i = 0; $i < $length; $i++) {
|
|
$rnd_string .= $chars[mt_rand(0, strlen($chars) - 1)];
|
|
}
|
|
return $rnd_string;
|
|
}
|
|
|
|
public static function getTimeFormatted($timestamp = 0)
|
|
{
|
|
return ($timestamp == 0) ? date('Y-m-d H:i:s') : date('Y-m-d H:i:s', $timestamp);
|
|
}
|
|
|
|
public static function getNameOrEmail(\App\Models\User $user)
|
|
{
|
|
return ($user->getNickName() == '') ? $user->email : $user->getNickName();
|
|
}
|
|
|
|
public static function getAvatarFname(\App\Models\User $user)
|
|
{
|
|
$fname = base64_encode($user->email).".png";
|
|
if (\Option::get('avatar_query_string')) {
|
|
$fname .= '?v='.$user->getAvatarId();
|
|
}
|
|
return $fname;
|
|
}
|
|
|
|
/**
|
|
* Generate omitted string
|
|
*
|
|
* @param string $str
|
|
* @param int $length
|
|
* @param boolean $append
|
|
* @return string
|
|
*/
|
|
public static function getStringOmitted($str, $length, $append = true)
|
|
{
|
|
$str = trim($str);
|
|
$strlength = strlen($str);
|
|
|
|
if ($length == 0 || $length >= $strlength) {
|
|
return $str;
|
|
} elseif ($length < 0) {
|
|
$length = $strlength + $length;
|
|
|
|
if ($length < 0) {
|
|
$length = $strlength;
|
|
}
|
|
}
|
|
|
|
if (function_exists('mb_substr')) {
|
|
$newstr = mb_substr($str, 0, $length, 'utf-8');
|
|
} elseif (function_exists('iconv_substr')) {
|
|
$newstr = iconv_substr($str, 0, $length, 'utf-8');
|
|
} else {
|
|
$newstr = substr($str, 0, $length);
|
|
}
|
|
|
|
if ($append && $str != $newstr) {
|
|
$newstr .= '...';
|
|
}
|
|
|
|
return $newstr;
|
|
}
|
|
|
|
/**
|
|
* Replace content of string according to given rules
|
|
*
|
|
* @param string $str
|
|
* @param array $rules
|
|
* @return string
|
|
*/
|
|
public static function getStringReplaced($str, $rules)
|
|
{
|
|
foreach ($rules as $search => $replace) {
|
|
$str = str_replace($search, $replace, $str);
|
|
}
|
|
return $str;
|
|
}
|
|
|
|
}
|