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dogstats/web/inc/helpers.php

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2023-10-18 22:42:01 +02:00
<?php
function sendMail($rcpt,$subject,$markdown)
{
$mail = new PHPMailer();
$pd = new Parsedown();
$html = $pd->text($markdown);
ob_start();
$mail->CharSet ="UTF-8";
$mail->SMTPDebug = SMTP::DEBUG_SERVER; // Enable verbose debug output
$mail->isSMTP(); // Send using SMTP
$mail->Host = SMTP_HOST; // Set the SMTP server to send through
$mail->SMTPAuth = (defined('SMTP_AUTH')?SMTP_AUTH:true); // Enable SMTP authentication
$mail->Username = SMTP_USER; // SMTP username
$mail->Password = SMTP_PW; // SMTP password
$mail->SMTPSecure = PHPMailer::ENCRYPTION_STARTTLS; // Enable TLS encryption; `PHPMailer::ENCRYPTION_SMTPS` also accepted
$mail->Port = (defined('SMTP_PORT')?SMTP_PORT:587); // TCP port to connect to
if(defined('SMTP_EHLO_DOMAIN') && SMTP_EHLO_DOMAIN)
$mail->Hostname = SMTP_EHLO_DOMAIN;
//make sure we use ipv4
$mail->SMTPOptions = [
'socket' => [
'bindto' => "0:0",
],
];
//Recipients
$mail->setFrom(EMAIL_FROM_EMAIL, EMAIL_FROM_NAME);
$mail->addAddress($rcpt); // Add a recipient
// Content
$mail->isHTML(true); // Set email format to HTML
$mail->Subject = $subject;
$mail->Body = $html;
$mail->AltBody = $markdown;
$mail->send();
$output = ob_get_clean();
addToMailLog($rcpt,$subject,$output);
return $output;
}
// found on https://html-online.com/articles/php-get-ip-cloudflare-proxy/
function getUserIP() {
if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) {
$_SERVER['REMOTE_ADDR'] = $_SERVER["HTTP_CF_CONNECTING_IP"];
$_SERVER['HTTP_CLIENT_IP'] = $_SERVER["HTTP_CF_CONNECTING_IP"];
}
$client = @$_SERVER['HTTP_CLIENT_IP'];
$forward = @$_SERVER['HTTP_X_FORWARDED_FOR'];
$remote = $_SERVER['REMOTE_ADDR'];
if(filter_var($client, FILTER_VALIDATE_IP)) { $ip = $client; }
elseif(filter_var($forward, FILTER_VALIDATE_IP)) { $ip = $forward; }
else { $ip = $remote; }
return $ip;
}
// from https://stackoverflow.com/a/834355/1174516
function startsWith( $haystack, $needle ) {
$length = strlen( $needle );
return substr( $haystack, 0, $length ) === $needle;
}
function endsWith( $haystack, $needle ) {
$length = strlen( $needle );
if( !$length ) {
return true;
}
return substr( $haystack, -$length ) === $needle;
}
function is_cli()
{
if ( defined('STDIN') )
return true;
if ( php_sapi_name() === 'cli' )
return true;
if ( array_key_exists('SHELL', $_ENV) )
return true;
if ( empty($_SERVER['REMOTE_ADDR']) and !isset($_SERVER['HTTP_USER_AGENT']) and count($_SERVER['argv']) > 0)
return true;
if ( !array_key_exists('REQUEST_METHOD', $_SERVER) )
return true;
return false;
}
function addToLog($text,$module='general')
{
$fp = fopen(ROOT.DS.'..'.DS.'log'.DS.$module.'.log','a');
fwrite($fp,'['.date("y.m.d H:i").']'.$text.PHP_EOL);
fclose($fp);
}
function addToMailLog($rcpt,$subject,$response)
{
$rcpt_esc = str_replace('@','_at_',$rcpt);
$dir = ROOT.DS.'..'.DS.'log'.DS.'maillog';
if(!is_dir($dir))
mkdir($dir);
$fp = fopen($dir.DS.$rcpt_esc.'.log','a');
fwrite($fp,"========= NEW MAIL ========\n[".date("y.m.d H:i")."] To: $rcpt\nSubject: $subject\n\n$response\n\n");
fclose($fp);
}
function translate($what)
{
$what = trim($what);
return ($GLOBALS['translations'][$what]?:$what);
}
function getFilesOfFolder($dir)
{
return array_diff(scandir($dir), array('.', '..'));
}
function dbNeedsToBeUpgraded()
{
if(DB_TYPE=='sqlite' && !file_exists(ROOT.DS.'..'.DS.'data'.DS.'db.sqlite3'))
return true;
else if(!file_exists(ROOT.DS.'..'.DS.'log'.DS.'db_version'))
return true;
else if($GLOBALS['db_version']<getHighestSQLVersion())
return true;
return false;
}
function getHighestSQLVersion()
{
$dir = ROOT.DS.'..'.DS.'sql'.DS;
$files = array_diff(scandir($dir), array('..', '.'));
$files = array_map(function($e){
return pathinfo($e, PATHINFO_FILENAME);
}, $files);
sort($files);
return end($files);
}
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function gen_ulid($milliseconds = null,$lowercase = false) {
if($milliseconds===null)
$milliseconds = (int) (microtime(true) * 1000);
$encodingChars = '0123456789ABCDEFGHJKMNPQRSTVWXYZ';
$encodingLength = 32;
$randomLength = 16;
$lastRandChars = [];
$timeLength = 10;
$timeChars = '';
$randChars = '';
for ($i = $timeLength - 1; $i >= 0; $i--) {
$mod = $milliseconds % $encodingLength;
$timeChars = $encodingChars[$mod].$timeChars;
$milliseconds = ($milliseconds - $mod) / $encodingLength;
}
for ($i = 0; $i < $randomLength; $i++) {
$lastRandChars[$i] = random_int(0, 31);
}
for ($i = 0; $i < $randomLength; $i++) {
$randChars .= $encodingChars[$lastRandChars[$i]];
}
return ($value = $timeChars . $randChars) && $lowercase ? strtolower($value) : strtoupper($value);
}
function ulid_to_timestamp($ulid)
{
$encodingChars = '0123456789ABCDEFGHJKMNPQRSTVWXYZ';
$encodingLength = 32;
$timeLength = 10;
$timeChars = substr($ulid,0,$timeLength);
$time = 0;
for ($i = 0; $i < $timeLength; $i++) {
$time = $time * $encodingLength + strpos($encodingChars, $timeChars[$i]);
}
return $time;
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}
function escape($str)
{
return htmlspecialchars($str, ENT_QUOTES, 'UTF-8');
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}
function uuid4($data = null) {
// Generate 16 bytes (128 bits) of random data or use the data passed into the function.
$data = $data ?? random_bytes(16);
assert(strlen($data) == 16);
// Set version to 0100
$data[6] = chr(ord($data[6]) & 0x0f | 0x40);
// Set bits 6-7 to 10
$data[8] = chr(ord($data[8]) & 0x3f | 0x80);
// Output the 36 character UUID.
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
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}
/*
* @param $path string Path to the file that should be uploaded
* @param $hash string Optional. File name we want on pictshare for the file
*/
function pictshareUploadImage($path,$hash=false)
{
if(!file_exists($path)) return false;
$request = curl_init('https://i.haschek.at/api/upload.php');
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curl_setopt($request,CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($request, CURLOPT_POST, true);
curl_setopt(
$request,
CURLOPT_POSTFIELDS,
array(
'file' => curl_file_create($path),
'hash'=>$hash
));
// output the response
curl_setopt($request, CURLOPT_RETURNTRANSFER, true);
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$answer = curl_exec($request);
if($answer === false) return ['status'=>'error','error'=>curl_error($request)];
else
$json = json_decode($answer.PHP_EOL,true);
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// close the session
curl_close($request);
return $json;
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}
// takes $_FILES['file'] as input and validates, throws error if fails, else returns URL of the image
function pictShareFormValidateAndUpload($file,$key=false)
{
if($key===false)
{
$photo_name = $file['name'];
$photo_tmp_name = $file['tmp_name'];
$photo_size = $file['size'];
$photo_error = $file['error'];
$photo_type = $file['type'];
}
else
{
$photo_name = $file['name'][$key];
$photo_tmp_name = $file['tmp_name'][$key];
$photo_size = $file['size'][$key];
$photo_error = $file['error'][$key];
$photo_type = $file['type'][$key];
}
$allowed = ['jpg','jpeg','png','gif'];
$photo_ext = strtolower(end(explode('.', $photo_name)));
if(in_array($photo_ext, $allowed))
{
if($photo_error === 0)
{
if($photo_size < 10000000)
{
$answer = pictshareUploadImage($photo_tmp_name);
if($answer['status']=='ok' && in_array($answer['filetype'],['jpeg','png','gif']))
return $answer['url'];
else
throw new Exception('Fehler beim CDN Upload: '.json_encode($answer,true));
}
else
throw new Exception('Die Datei ist zu groß. Bitte eine kleinere Datei hochladen');
}
else
throw new Exception('Fehler beim Upload: '.getFileUploadError($photo_error));
}
else
throw new Exception('Dateityp nicht erlaubt. Bitte nur '.implode(', ',$allowed).' hochladen');
}
function getFileUploadError($error)
{
$phpFileUploadErrors = array(
0 => 'There is no error, the file uploaded with success',
1 => 'The uploaded file exceeds the upload_max_filesize directive in php.ini',
2 => 'The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form',
3 => 'The uploaded file was only partially uploaded',
4 => 'No file was uploaded',
6 => 'Missing a temporary folder',
7 => 'Failed to write file to disk.',
8 => 'A PHP extension stopped the file upload.',
);
return $phpFileUploadErrors[$error];
}
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function partial($name,$variables=[])
{
$templatefile = ROOT.DS.'templates'.DS.'partials'.DS.$name;
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return template($templatefile,$variables);
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}
function template($templatefile,$variables=[])
{
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ob_start();
if(is_array($variables))
extract($variables);
if(file_exists($templatefile))
include($templatefile);
$pagecontent = ob_get_contents();
ob_end_clean();
return $pagecontent;
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}