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lib.global.php
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lib.global.php
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<?php
/** GLOBAL **/
//include('htmLawed.php');
// hashing
function bcrypt_hash($password, $work_factor = 8)
{
if (version_compare(PHP_VERSION, '5.3') < 0) throw new Exception('Bcrypt requires PHP 5.3 or above');
if (! function_exists('openssl_random_pseudo_bytes')) {
throw new Exception('Bcrypt requires openssl PHP extension');
}
if ($work_factor < 4 || $work_factor > 31) $work_factor = 8;
$salt =
'$2a$' . str_pad($work_factor, 2, '0', STR_PAD_LEFT) . '$' .
substr(
strtr(base64_encode(openssl_random_pseudo_bytes(16)), '+', '.'),
0, 22
)
;
//echo "$password, $salt \n";
return crypt($password, $salt);
}
function bcrypt_check($password, $stored_hash, $legacy_handler = NULL)
{
if (version_compare(PHP_VERSION, '5.3') < 0) throw new Exception('Bcrypt requires PHP 5.3 or above');
if (bcrypt_is_legacy_hash($stored_hash)) {
if ($legacy_handler) return call_user_func($legacy_handler, $password, $stored_hash);
else throw new Exception('Unsupported hash format');
}
return crypt($password, $stored_hash) == $stored_hash;
}
function bcrypt_is_legacy_hash($hash) { return substr($hash, 0, 4) != '$2a$'; }
// other
function br2nl($text) {
return preg_replace('/<br\\s*?\/??>/i', '', $text);
}
function set_cookie_fix_domain($Name, $Value = '', $Expires = 0, $Path = '', $Domain = '', $Secure = false, $HTTPOnly = false) {
if (!empty($Domain)) {
// Fix the domain to accept domains with and without 'www.'.
if (strtolower(substr($Domain, 0, 4)) == 'www.') $Domain = substr($Domain, 4);
$Domain = '.' . $Domain;
// Remove port information.
$Port = strpos($Domain, ':');
if ($Port !== false) $Domain = substr($Domain, 0, $Port);
}
header('Set-Cookie: ' . rawurlencode($Name) . '=' . rawurlencode($Value)
. (empty($Expires) ? '' : '; expires=' . gmdate('D, d-M-Y H:i:s', $Expires) . ' GMT')
. (empty($Path) ? '' : '; path=' . $Path)
. (empty($Domain) ? '' : '; domain=' . $Domain)
. (!$Secure ? '' : '; secure')
. (!$HTTPOnly ? '' : '; HttpOnly'), false);
}
function preg_replace_all($pattern,$replace,$text) {
while(preg_match($pattern,$text))
$text = preg_replace($pattern,$replace,$text);
return $text;
}
function getURL($uri = false) {
$pageURL = 'http';
if (isset($_SERVER["HTTPS"]) && $_SERVER["HTTPS"] == "on") $pageURL .= "s";
$pageURL .= "://";
if ($_SERVER["SERVER_PORT"] != "80") {
$pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"];
if($uri) $pageURL .= $_SERVER["REQUEST_URI"];
} else {
$pageURL .= $_SERVER["SERVER_NAME"];
if($uri) $pageURL .= $_SERVER["REQUEST_URI"];
}
return $pageURL;
}
function redirectToHTTPS($on = true) {
if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']!=="on" && $on) {
$redirect= "https://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
} else if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS']=="on" && !$on) {
$redirect= "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
} else {
return;
}
header("Location:$redirect");
}
function url_exists($url) {
// Version 4.x supported
$handle = curl_init($url);
if (false === $handle) {
return false;
}
curl_setopt($handle, CURLOPT_HEADER, false);
curl_setopt($handle, CURLOPT_FAILONERROR, true); // this works
curl_setopt($handle, CURLOPT_HTTPHEADER, Array("User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.15) Gecko/20080623 Firefox/2.0.0.15") ); // request as if Firefox
curl_setopt($handle, CURLOPT_NOBODY, true);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, false);
$connectable = curl_exec($handle);
curl_close($handle);
return $connectable;
}
function echoFile($folder, $file)
{
//header("Content-Type: " . mime_content_type($FileName));
// if you are not allowed to use mime_content_type, then hardcode MIME type
// use application/octet-stream for any binary file
// use application/x-executable-file for executables
// use application/x-zip-compressed for zip files
header("Content-Type: application/octet-stream");
header("Content-Length: " . filesize($folder.$file));
header("Content-Disposition: attachment; filename=\"$file\"");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
$fp = fopen($folder.$file,"rb");
fpassthru($fp);
fclose($fp);
}
/********************************
* Retro-support of get_called_class()
* Tested and works in PHP 5.2.4
* http://www.sol1.com.au/
********************************/
if (!function_exists('get_called_class')) {
function get_called_class($bt = false, $l = 1)
{
if (!$bt) $bt = debug_backtrace();
if (!isset($bt[$l])) throw new Exception("Cannot find called class -> stack level too deep.");
if (!isset($bt[$l]['type'])) {
throw new Exception ('type not set');
}
else switch ($bt[$l]['type']) {
case '::':
$lines = file($bt[$l]['file']);
$i = 0;
$callerLine = '';
do {
$i++;
$callerLine = $lines[$bt[$l]['line']-$i] . $callerLine;
} while (stripos($callerLine,$bt[$l]['function']) === false);
preg_match('/([a-zA-Z0-9\_]+)::'.$bt[$l]['function'].'/',
$callerLine,
$matches);
if (!isset($matches[1])) {
// must be an edge case.
throw new Exception ("Could not find caller class: originating method call is obscured.");
}
switch ($matches[1]) {
case 'self':
case 'parent':
return get_called_class($bt,$l+1);
default:
return $matches[1];
}
// won't get here.
case '->': switch ($bt[$l]['function']) {
case '__get':
// edge case -> get class of calling object
if (!is_object($bt[$l]['object'])) throw new Exception ("Edge case fail. __get called on non object.");
return get_class($bt[$l]['object']);
default: return $bt[$l]['class'];
}
default: throw new Exception ("Unknown backtrace method type");
}
}
}
/**
* Convert an xml file or string to an associative array (including the tag attributes):
* $domObj = new xmlToArrayParser($xml);
* $elemVal = $domObj->array['element']
* Or: $domArr=$domObj->array; $elemVal = $domArr['element'].
*
* @version 2.0
* @param Str $xml file/string.
*/
class xmlToArrayParser {
/** The array created by the parser can be assigned to any variable: $anyVarArr = $domObj->array.*/
public $array = array();
public $parse_error = false;
private $parser;
private $pointer;
/** Constructor: $domObj = new xmlToArrayParser($xml); */
public function __construct($xml) {
$this->pointer =& $this->array;
$this->parser = xml_parser_create("UTF-8");
xml_set_object($this->parser, $this);
xml_parser_set_option($this->parser, XML_OPTION_CASE_FOLDING, false);
xml_set_element_handler($this->parser, "tag_open", "tag_close");
xml_set_character_data_handler($this->parser, "cdata");
$this->parse_error = xml_parse($this->parser, ltrim($xml))? false : true;
}
/** Free the parser. */
public function __destruct() { xml_parser_free($this->parser);}
/** Get the xml error if an an error in the xml file occured during parsing. */
public function get_xml_error() {
if($this->parse_error) {
$errCode = xml_get_error_code ($this->parser);
$thisError = "Error Code [". $errCode ."] \"<strong style='color:red;'>" . xml_error_string($errCode)."</strong>\",
at char ".xml_get_current_column_number($this->parser) . "
on line ".xml_get_current_line_number($this->parser)."";
}else $thisError = $this->parse_error;
return $thisError;
}
private function tag_open($parser, $tag, $attributes) {
$this->convert_to_array($tag, 'attrib');
$idx=$this->convert_to_array($tag, 'cdata');
if(isset($idx)) {
$this->pointer[$tag][$idx] = Array('@idx' => $idx,'@parent' => &$this->pointer);
$this->pointer =& $this->pointer[$tag][$idx];
}else {
$this->pointer[$tag] = Array('@parent' => &$this->pointer);
$this->pointer =& $this->pointer[$tag];
}
if (!empty($attributes)) { $this->pointer['attrib'] = $attributes; }
}
/** Adds the current elements content to the current pointer[cdata] array. */
private function cdata($parser, $cdata) { $this->pointer['cdata'] = trim($cdata); }
private function tag_close($parser, $tag) {
$current = & $this->pointer;
if(isset($this->pointer['@idx'])) {unset($current['@idx']);}
$this->pointer = & $this->pointer['@parent'];
unset($current['@parent']);
if(isset($current['cdata']) && count($current) == 1) { $current = $current['cdata'];}
else if(empty($current['cdata'])) {unset($current['cdata']);}
}
/** Converts a single element item into array(element[0]) if a second element of the same name is encountered. */
private function convert_to_array($tag, $item) {
if(isset($this->pointer[$tag][$item])) {
$content = $this->pointer[$tag];
$this->pointer[$tag] = array((0) => $content);
$idx = 1;
}else if (isset($this->pointer[$tag])) {
$idx = count($this->pointer[$tag]);
if(!isset($this->pointer[$tag][0])) {
foreach ($this->pointer[$tag] as $key => $value) {
unset($this->pointer[$tag][$key]);
$this->pointer[$tag][0][$key] = $value;
}}}else $idx = null;
return $idx;
}
}
?>