post = json_decode(file_get_contents('php://input'), true); else $this->post = $initp; if ($this->post === null) $this->post = $_POST; } function is($key) { return isset($this->post[$key]); } function getraw($key, $defvalue = null) { if (!isset($this->post[$key])) return $defvalue; if ($this->post[$key] === '') return $defvalue; return $this->post[$key]; } function get($key, $defvalue = '', $allow = 'text') { //text:仅文本,html:不能有script,all:不限 $str = $this->getraw($key, $defvalue); if (is_array($str)) return $str; if ($allow == 'text') { $str = strip_tags($str . ''); } else if ($allow == 'html') { $str = $this->safehtml($str); } return $str; } function safehtml($val) { $val = preg_replace('/([\x00-\x08,\x0b-\x0c,\x0e-\x19])/', '', $val); $search = 'abcdefghijklmnopqrstuvwxyz'; $search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; $search .= '1234567890!@#$%^&*()'; $search .= '~`";:?+/={}[]-_|\'\\'; for ($i = 0; $i < strlen($search); $i++) { $val = preg_replace('/(&#[xX]0{0,8}' . dechex(ord($search[$i])) . ';?)/i', $search[$i], $val); $val = preg_replace('/(�{0,8}' . ord($search[$i]) . ';?)/', $search[$i], $val); } $ra1 = array('javascript', 'vbscript', 'expression', 'applet', 'meta', 'xml', 'blink', 'link', 'script', 'embed', 'object', 'iframe', 'frame', 'frameset', 'ilayer', 'layer', 'bgsound', 'title', 'base'); $ra2 = array('onabort', 'onactivate', 'onafterprint', 'onafterupdate', 'onbeforeactivate', 'onbeforecopy', 'onbeforecut', 'onbeforedeactivate', 'onbeforeeditfocus', 'onbeforepaste', 'onbeforeprint', 'onbeforeunload', 'onbeforeupdate', 'onblur', 'onbounce', 'oncellchange', 'onchange', 'onclick', 'oncontextmenu', 'oncontrolselect', 'oncopy', 'oncut', 'ondataavailable', 'ondatasetchanged', 'ondatasetcomplete', 'ondblclick', 'ondeactivate', 'ondrag', 'ondragend', 'ondragenter', 'ondragleave', 'ondragover', 'ondragstart', 'ondrop', 'onerror', 'onerrorupdate', 'onfilterchange', 'onfinish', 'onfocus', 'onfocusin', 'onfocusout', 'onhelp', 'onkeydown', 'onkeypress', 'onkeyup', 'onlayoutcomplete', 'onload', 'onlosecapture', 'onmousedown', 'onmouseenter', 'onmouseleave', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onmousewheel', 'onmove', 'onmoveend', 'onmovestart', 'onpaste', 'onpropertychange', 'onreadystatechange', 'onreset', 'onresize', 'onresizeend', 'onresizestart', 'onrowenter', 'onrowexit', 'onrowsdelete', 'onrowsinserted', 'onscroll', 'onselect', 'onselectionchange', 'onselectstart', 'onstart', 'onstop', 'onsubmit', 'onunload'); $ra = array_merge($ra1, $ra2); $found = true; while ($found == true) { $val_before = $val; for ($i = 0; $i < sizeof($ra); $i++) { $pattern = '/'; for ($j = 0; $j < strlen($ra[$i]); $j++) { if ($j > 0) { $pattern .= '('; $pattern .= '(&#[xX]0{0,8}([9ab]);)'; $pattern .= '|'; $pattern .= '|(�{0,8}([9|10|13]);)'; $pattern .= ')*'; } $pattern .= $ra[$i][$j]; } $pattern .= '/i'; $replacement = substr($ra[$i], 0, 2) . '|!|' . substr($ra[$i], 2); $val = preg_replace($pattern, $replacement, $val); if ($val_before == $val) { $found = false; } } } return $val; } function getint($key, $defvalue = 0) { return toint($this->getraw($key, $defvalue)); } function getfloat($key, $defvalue = 0) { return (float)$this->getraw($key, $defvalue); } function getdate($key, $defvalue = 0) { $data = $this->getraw($key, $defvalue); if (strpos($data, '-') === false) $data = toint($data); else $data = strtotime($data); if ($data === false) return $defvalue; return $data; } function getbool($key, $defvalue = false) { $data = $this->getraw($key, $defvalue); if (!$data || empty($data) || $data === 'false') return false; if ($data === true || $data === 'true' || $data === '1' || $data === 1) return true; return false; } }