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<?php |
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namespace devtoolboxuk\soteria\handlers; |
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use devtoolboxuk\soteria\classes\Filters; |
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use devtoolboxuk\soteria\classes\Strings; |
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use devtoolboxuk\soteria\classes\Url; |
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use devtoolboxuk\soteria\models\SoteriaModel; |
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class Sanitise |
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{ |
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private $is_valid = null; |
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private $_sanitised = null; |
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private $filters; |
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private $input; |
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private $output; |
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private $strings; |
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private $urlService; |
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function __construct() |
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{ |
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$this->filters = new Filters(); |
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$this->strings = new Strings(); |
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$this->urlService = new Url(); |
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} |
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/** |
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* |
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* Removes URLs from strings |
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* |
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* @param array|string $data |
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* @return array|string|string[]|null |
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*/ |
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public function removeUrl($data) |
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{ |
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$this->_sanitised = null; |
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if (is_array($data)) { |
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foreach ($data as $key => $value) { |
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$data[$key] = $this->removeUrl($value); |
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} |
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return $data; |
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} |
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$this->input = $data = trim($data); |
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$data = $this->urlService->remove($data); |
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$data = trim($data); |
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if ($this->input != $data) { |
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$this->_sanitised = true; |
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} |
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$this->is_valid = true; |
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$this->output = $data; |
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return $data; |
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} |
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/** |
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* @param $data |
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* @param string $toEncoding |
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* @param string $fromEncoding |
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* @return array|false|string|string[]|null |
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*/ |
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public function cleanse($data, $toEncoding = 'utf-8', $fromEncoding = 'auto') |
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{ |
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if (is_array($data)) { |
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foreach ($data as $key => $value) { |
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$data[$key] = $this->cleanse($value, $toEncoding, $fromEncoding); |
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} |
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return $data; |
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} |
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$this->input = $data = trim($data); |
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$data = $this->strings->clean($data); |
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$data = mb_convert_encoding($data, $toEncoding, $fromEncoding); |
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$data = htmlspecialchars_decode($data); |
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$data = $this->strings->clean($data); |
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if ($this->input != $data) { |
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$this->_sanitised = true; |
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} |
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$this->output = $data; |
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return $data; |
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} |
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/** |
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* @param $string |
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* @param string $delimiter |
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* @return string |
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*/ |
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public function cleanseCsv($string, $delimiter = "|") |
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{ |
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return trim(str_replace([$delimiter, "\n", "\r", "\t"], " ", $string)); |
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} |
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/** |
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* @param $data |
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* @param string $type |
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* @param int $stringLength |
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* @return mixed|string |
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*/ |
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public function disinfect($data, $type = 'special_chars', $stringLength = -1) |
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{ |
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$this->_sanitised = null; |
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if (is_array($data)) { |
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foreach ($data as $key => $value) { |
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$data[$key] = $this->disinfect($value, $type, $stringLength); |
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} |
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return $data; |
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} |
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$this->input = $data = trim($data); |
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$data = $this->strings->clean($data); |
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$data = $this->strings->stringLength($data, $stringLength); |
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switch ($type) { |
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case "email": |
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$filterResult = $this->filters->filterEmail($data); |
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break; |
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case "encoded": |
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$filterResult = $this->filters->filterEncoded($data); |
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break; |
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case "number_float": |
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case "float": |
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$filterResult = $this->filters->filterFloat($data); |
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break; |
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case "number_int": |
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case "int": |
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$filterResult = $this->filters->filterInt($data); |
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break; |
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case "full_special_chars": |
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$filterResult = $this->filters->filterFullSpecialChar($data); |
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break; |
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case "url": |
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$filterResult = $this->filters->filterUrl($data); |
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break; |
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case "string": |
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$filterResult = $this->filters->filterString($data); |
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break; |
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default: |
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case "special_chars": |
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$filterResult = $this->filters->filterSpecial($data); |
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break; |
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} |
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if ($this->input != $filterResult->getResult()) { |
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$this->_sanitised = true; |
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} |
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$this->is_valid = $filterResult->isValid(); |
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$this->output = $filterResult->getResult(); |
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return $this->output; |
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} |
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/** |
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* @param $str |
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* @return mixed|string |
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*/ |
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public function decodeHtmlEntity($str) |
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{ |
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$ret = $ret = html_entity_decode($str, ENT_NOQUOTES, 'UTF-8'); |
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try { |
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$p2 = -1; |
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for (; ;) { |
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$p = strpos($ret, '&#', $p2 + 1); |
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if ($p === false) { |
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break; |
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} |
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$p2 = strpos($ret, ';', $p); |
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if ($p2 === false) { |
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break; |
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} |
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if (substr($ret, $p + 2, 1) == 'x') { |
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$char = hexdec(substr($ret, $p + 3, $p2 - $p - 3)); |
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} else { |
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$char = intval(substr($ret, $p + 2, $p2 - $p - 2)); |
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} |
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$newchar = iconv( |
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'UCS-4', 'UTF-8', |
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chr(($char >> 24) & 0xFF) . chr(($char >> 16) & 0xFF) . chr(($char >> 8) & 0xFF) . chr($char & 0xFF) |
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); |
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$ret = substr_replace($ret, $newchar, $p, 1 + $p2 - $p); |
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$p2 = $p + strlen($newchar); |
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} |
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} catch (\Exception $e) { |
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} |
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return $ret; |
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} |
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/** |
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* @return null |
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*/ |
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public function isSanitised() |
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{ |
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return $this->_sanitised; |
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} |
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/** |
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* Returns true if the data is valid |
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* @return null |
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*/ |
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public function isValid() |
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{ |
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return $this->is_valid; |
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} |
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function result() |
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{ |
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$valid = false; |
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if (!$this->_sanitised && $this->is_valid) { |
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$valid = true; |
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} |
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return new SoteriaModel($this->input, $this->output, $valid); |
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} |
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} |
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.