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1555 lines
49 KiB
1555 lines
49 KiB
<?php |
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/** |
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* API方法,Typecho命名空间 |
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* |
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* @category typecho |
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* @package Common |
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* @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org) |
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* @license GNU General Public License 2.0 |
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* @version $Id$ |
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*/ |
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|
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define('__TYPECHO_MB_SUPPORTED__', function_exists('mb_get_info') && function_exists('mb_regex_encoding')); |
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|
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/** |
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* Typecho公用方法 |
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* |
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* @category typecho |
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* @package Common |
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* @copyright Copyright (c) 2008 Typecho team (http://www.typecho.org) |
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* @license GNU General Public License 2.0 |
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*/ |
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class Typecho_Common |
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{ |
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/** 程序版本 */ |
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const VERSION = '1.1/17.10.30'; |
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|
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/** |
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* 允许的属性 |
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* |
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* @access private |
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* @var array |
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*/ |
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private static $_allowableAttributes = array(); |
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|
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/** |
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* 默认编码 |
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* |
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* @access public |
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* @var string |
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*/ |
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public static $charset = 'UTF-8'; |
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|
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/** |
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* 异常处理类 |
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* |
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* @access public |
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* @var string |
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*/ |
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public static $exceptionHandle; |
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|
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/** |
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* 将字符串变成大写的回调函数 |
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* |
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* @param array $matches |
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* @access public |
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* @return string |
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*/ |
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public static function __strToUpper($matches) |
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{ |
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return strtoupper($matches[0]); |
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} |
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|
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/** |
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* 将url中的非法xss去掉时的数组回调过滤函数 |
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* |
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* @access private |
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* @param string $string 需要过滤的字符串 |
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* @return string |
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*/ |
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public static function __removeUrlXss($string) |
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{ |
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$string = str_replace(array('%0d', '%0a'), '', strip_tags($string)); |
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return preg_replace(array( |
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"/\(\s*(\"|')/i", //函数开头 |
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"/(\"|')\s*\)/i", //函数结尾 |
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), '', $string); |
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} |
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|
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/** |
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* 检查是否为安全路径 |
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* |
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* @access public |
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* @param string $path 检查是否为安全路径 |
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* @return boolean |
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*/ |
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public static function __safePath($path) |
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{ |
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$safePath = rtrim(__TYPECHO_ROOT_DIR__, '/'); |
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return 0 === strpos($path, $safePath); |
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} |
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|
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/** |
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* __filterAttrs |
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* |
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* @param mixed $matches |
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* @static |
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* @access public |
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* @return bool |
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*/ |
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public static function __filterAttrs($matches) |
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{ |
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if (!isset($matches[2])) { |
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return $matches[0]; |
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} |
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|
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$str = trim($matches[2]); |
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|
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if (empty($str)) { |
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return $matches[0]; |
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} |
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$attrs = self::__parseAttrs($str); |
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$parsedAttrs = array(); |
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$tag = strtolower($matches[1]); |
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|
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foreach ($attrs as $key => $val) { |
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if (in_array($key, self::$_allowableAttributes[$tag])) { |
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$parsedAttrs[] = " {$key}" . (empty($val) ? '' : "={$val}"); |
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} |
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} |
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|
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return '<' . $tag . implode('', $parsedAttrs) . '>'; |
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} |
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|
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/** |
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* 解析属性 |
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* |
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* @access public |
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* @param string $attrs 属性字符串 |
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* @return array |
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*/ |
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public static function __parseAttrs($attrs) |
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{ |
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$attrs = trim($attrs); |
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$len = strlen($attrs); |
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$pos = -1; |
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$result = array(); |
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$quote = ''; |
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$key = ''; |
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$value = ''; |
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|
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for ($i = 0; $i < $len; $i ++) { |
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if ('=' != $attrs[$i] && !ctype_space($attrs[$i]) && -1 == $pos) { |
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$key .= $attrs[$i]; |
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|
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/** 最后一个 */ |
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if ($i == $len - 1) { |
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if ('' != ($key = trim($key))) { |
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$result[$key] = ''; |
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$key = ''; |
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$value = ''; |
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} |
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} |
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|
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} else if (ctype_space($attrs[$i]) && -1 == $pos) { |
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$pos = -2; |
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} else if ('=' == $attrs[$i] && 0 > $pos) { |
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$pos = 0; |
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} else if (('"' == $attrs[$i] || "'" == $attrs[$i]) && 0 == $pos) { |
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$quote = $attrs[$i]; |
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$value .= $attrs[$i]; |
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$pos = 1; |
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} else if ($quote != $attrs[$i] && 1 == $pos) { |
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$value .= $attrs[$i]; |
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} else if ($quote == $attrs[$i] && 1 == $pos) { |
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$pos = -1; |
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$value .= $attrs[$i]; |
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$result[trim($key)] = $value; |
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$key = ''; |
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$value = ''; |
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} else if ('=' != $attrs[$i] && !ctype_space($attrs[$i]) && -2 == $pos) { |
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if ('' != ($key = trim($key))) { |
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$result[$key] = ''; |
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} |
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|
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$key = ''; |
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$value = ''; |
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$pos = -1; |
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$key .= $attrs[$i]; |
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} |
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} |
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|
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return $result; |
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} |
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|
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/** |
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* 自动载入类 |
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* |
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* @param $className |
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*/ |
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public static function __autoLoad($className) |
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{ |
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@include_once str_replace(array('\\', '_'), '/', $className) . '.php'; |
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} |
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|
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/** |
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* 程序初始化方法 |
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* |
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* @access public |
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* @return void |
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*/ |
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public static function init() |
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{ |
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/** 设置自动载入函数 */ |
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spl_autoload_register(array('Typecho_Common', '__autoLoad')); |
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|
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/** 兼容php6 */ |
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if (function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc()) { |
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$_GET = self::stripslashesDeep($_GET); |
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$_POST = self::stripslashesDeep($_POST); |
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$_COOKIE = self::stripslashesDeep($_COOKIE); |
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|
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reset($_GET); |
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reset($_POST); |
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reset($_COOKIE); |
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} |
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|
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/** 设置异常截获函数 */ |
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set_exception_handler(array('Typecho_Common', 'exceptionHandle')); |
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} |
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|
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/** |
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* 异常截获函数 |
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* |
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* @access public |
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* @param $exception 截获的异常 |
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* @return void |
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*/ |
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public static function exceptionHandle($exception) |
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{ |
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if (defined('__TYPECHO_DEBUG__')) { |
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echo '<pre><code>'; |
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echo '<h1>' . htmlspecialchars($exception->getMessage()) . '</h1>'; |
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echo htmlspecialchars($exception->__toString()); |
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echo '</code></pre>'; |
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} else { |
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@ob_end_clean(); |
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if (404 == $exception->getCode() && !empty(self::$exceptionHandle)) { |
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$handleClass = self::$exceptionHandle; |
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new $handleClass($exception); |
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} else { |
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self::error($exception); |
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} |
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} |
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exit; |
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} |
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|
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/** |
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* 输出错误页面 |
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* |
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* @access public |
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* @param mixed $exception 错误信息 |
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* @return void |
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*/ |
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public static function error($exception) |
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{ |
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$isException = is_object($exception); |
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$message = ''; |
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|
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if ($isException) { |
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$code = $exception->getCode(); |
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$message = $exception->getMessage(); |
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} else { |
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$code = $exception; |
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} |
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|
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$charset = self::$charset; |
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|
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if ($isException && $exception instanceof Typecho_Db_Exception) { |
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$code = 500; |
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@error_log($message); |
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|
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//覆盖原始错误信息 |
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$message = 'Database Server Error'; |
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|
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if ($exception instanceof Typecho_Db_Adapter_Exception) { |
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$code = 503; |
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$message = 'Error establishing a database connection'; |
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} else if ($exception instanceof Typecho_Db_Query_Exception) { |
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$message = 'Database Query Error'; |
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} |
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} else { |
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switch ($code) { |
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case 500: |
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$message = 'Server Error'; |
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break; |
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|
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case 404: |
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$message = 'Page Not Found'; |
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break; |
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|
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default: |
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$code = 'Error'; |
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break; |
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} |
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} |
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|
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|
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/** 设置http code */ |
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if (is_numeric($code) && $code > 200) { |
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Typecho_Response::setStatus($code); |
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} |
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|
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$message = nl2br($message); |
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|
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if (defined('__TYPECHO_EXCEPTION_FILE__')) { |
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require_once __TYPECHO_EXCEPTION_FILE__; |
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} else { |
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echo |
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<<<EOF |
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<!DOCTYPE html> |
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<html lang="en"> |
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<head> |
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<meta charset="{$charset}"> |
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<title>{$code}</title> |
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<style> |
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html { |
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padding: 50px 10px; |
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font-size: 16px; |
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line-height: 1.4; |
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color: #666; |
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background: #F6F6F3; |
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-webkit-text-size-adjust: 100%; |
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-ms-text-size-adjust: 100%; |
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} |
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html, |
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input { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; } |
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body { |
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max-width: 500px; |
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_width: 500px; |
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padding: 30px 20px; |
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margin: 0 auto; |
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background: #FFF; |
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} |
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ul { |
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padding: 0 0 0 40px; |
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} |
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.container { |
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max-width: 380px; |
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_width: 380px; |
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margin: 0 auto; |
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} |
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</style> |
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</head> |
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<body> |
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<div class="container"> |
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{$message} |
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</div> |
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</body> |
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</html> |
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EOF; |
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} |
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exit; |
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} |
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|
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/** |
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* 判断类是否能被加载 |
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* 此函数会遍历所有的include目录, 所以会有一定的性能消耗, 但是不会很大 |
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* 可是我们依然建议你在必须检测一个类能否被加载时使用它, 它通常表现为以下两种情况 |
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* 1. 当需要被加载的类不存在时, 系统不会停止运行 (如果你不判断, 系统会因抛出严重错误而停止) |
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* 2. 你需要知道哪些类无法被加载, 以提示使用者 |
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* 除了以上情况, 你无需关注那些类无法被加载, 因为当它们不存在时系统会自动停止并报错 |
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* |
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* @access public |
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* @param string $className 类名 |
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* @param string $path 指定的路径名称 |
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* @return boolean |
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*/ |
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public static function isAvailableClass($className, $path = NULL) |
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{ |
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/** 获取所有include目录 */ |
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//增加安全目录检测 fix issue 106 |
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$dirs = array_map('realpath', array_filter(explode(PATH_SEPARATOR, get_include_path()), |
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array('Typecho_Common', '__safePath'))); |
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|
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$file = str_replace('_', '/', $className) . '.php'; |
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|
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if (!empty($path)) { |
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$path = realpath($path); |
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if (in_array($path, $dirs)) { |
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$dirs = array($path); |
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} else { |
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return false; |
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} |
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} |
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|
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foreach ($dirs as $dir) { |
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if (!empty($dir)) { |
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if (file_exists($dir . '/' . $file)) { |
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return true; |
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} |
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} |
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} |
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|
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return false; |
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} |
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|
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/** |
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* 检测是否在app engine上运行，屏蔽某些功能 |
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* |
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* @static |
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* @access public |
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* @return boolean |
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*/ |
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public static function isAppEngine() |
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{ |
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return !empty($_SERVER['HTTP_APPNAME']) // SAE |
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|| !!getenv('HTTP_BAE_ENV_APPID') // BAE |
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|| !!getenv('HTTP_BAE_LOGID') // BAE 3.0 |
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|| (ini_get('acl.app_id') && class_exists('Alibaba')) // ACE |
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|| (isset($_SERVER['SERVER_SOFTWARE']) && strpos($_SERVER['SERVER_SOFTWARE'],'Google App Engine') !== false) // GAE |
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; |
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} |
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|
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/** |
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* 递归去掉数组反斜线 |
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* |
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* @access public |
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* @param mixed $value |
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* @return mixed |
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*/ |
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public static function stripslashesDeep($value) |
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{ |
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return is_array($value) ? array_map(array('Typecho_Common', 'stripslashesDeep'), $value) : stripslashes($value); |
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} |
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|
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/** |
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* 抽取多维数组的某个元素,组成一个新数组,使这个数组变成一个扁平数组 |
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* 使用方法: |
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* <code> |
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* <?php |
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* $fruit = array(array('apple' => 2, 'banana' => 3), array('apple' => 10, 'banana' => 12)); |
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* $banana = Typecho_Common::arrayFlatten($fruit, 'banana'); |
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* print_r($banana); |
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* //outputs: array(0 => 3, 1 => 12); |
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* ?> |
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* </code> |
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* |
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* @access public |
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* @param array $value 被处理的数组 |
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* @param string $key 需要抽取的键值 |
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* @return array |
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*/ |
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public static function arrayFlatten(array $value, $key) |
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{ |
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$result = array(); |
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|
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if ($value) { |
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foreach ($value as $inval) { |
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if (is_array($inval) && isset($inval[$key])) { |
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$result[] = $inval[$key]; |
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} else { |
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break; |
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} |
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} |
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} |
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|
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return $result; |
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} |
|
|
|
/** |
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* 根据parse_url的结果重新组合url |
|
* |
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* @access public |
|
* @param array $params 解析后的参数 |
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* @return string |
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*/ |
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public static function buildUrl($params) |
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{ |
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return (isset($params['scheme']) ? $params['scheme'] . '://' : NULL) |
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. (isset($params['user']) ? $params['user'] . (isset($params['pass']) ? ':' . $params['pass'] : NULL) . '@' : NULL) |
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. (isset($params['host']) ? $params['host'] : NULL) |
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. (isset($params['port']) ? ':' . $params['port'] : NULL) |
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. (isset($params['path']) ? $params['path'] : NULL) |
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. (isset($params['query']) ? '?' . $params['query'] : NULL) |
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. (isset($params['fragment']) ? '#' . $params['fragment'] : NULL); |
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} |
|
|
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/** |
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* 根据count数目来输出字符 |
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* <code> |
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* echo splitByCount(20, 10, 20, 30, 40, 50); |
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* </code> |
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* |
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* @access public |
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* @param int $count |
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* @return string |
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*/ |
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public static function splitByCount($count) |
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{ |
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$sizes = func_get_args(); |
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array_shift($sizes); |
|
|
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foreach ($sizes as $size) { |
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if ($count < $size) { |
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return $size; |
|
} |
|
} |
|
|
|
return 0; |
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} |
|
|
|
/** |
|
* 自闭合html修复函数 |
|
* 使用方法: |
|
* <code> |
|
* $input = '这是一段被截断的html文本<a href="#"'; |
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* echo Typecho_Common::fixHtml($input); |
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* //output: 这是一段被截断的html文本 |
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* </code> |
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* |
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* @access public |
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* @param string $string 需要修复处理的字符串 |
|
* @return string |
|
*/ |
|
public static function fixHtml($string) |
|
{ |
|
//关闭自闭合标签 |
|
$startPos = strrpos($string, "<"); |
|
|
|
if (false == $startPos) { |
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return $string; |
|
} |
|
|
|
$trimString = substr($string, $startPos); |
|
|
|
if (false === strpos($trimString, ">")) { |
|
$string = substr($string, 0, $startPos); |
|
} |
|
|
|
//非自闭合html标签列表 |
|
preg_match_all("/<([_0-9a-zA-Z-\:]+)\s*([^>]*)>/is", $string, $startTags); |
|
preg_match_all("/<\/([_0-9a-zA-Z-\:]+)>/is", $string, $closeTags); |
|
|
|
if (!empty($startTags[1]) && is_array($startTags[1])) { |
|
krsort($startTags[1]); |
|
$closeTagsIsArray = is_array($closeTags[1]); |
|
foreach ($startTags[1] as $key => $tag) { |
|
$attrLength = strlen($startTags[2][$key]); |
|
if ($attrLength > 0 && "/" == trim($startTags[2][$key][$attrLength - 1])) { |
|
continue; |
|
} |
|
if (!empty($closeTags[1]) && $closeTagsIsArray) { |
|
if (false !== ($index = array_search($tag, $closeTags[1]))) { |
|
unset($closeTags[1][$index]); |
|
continue; |
|
} |
|
} |
|
$string .= "</{$tag}>"; |
|
} |
|
} |
|
|
|
return preg_replace("/\<br\s*\/\>\s*\<\/p\>/is", '</p>', $string); |
|
} |
|
|
|
/** |
|
* 去掉字符串中的html标签 |
|
* 使用方法: |
|
* <code> |
|
* $input = '<a href="http://test/test.php" title="example">hello</a>'; |
|
* $output = Typecho_Common::stripTags($input, <a href="">); |
|
* echo $output; |
|
* //display: '<a href="http://test/test.php">hello</a>' |
|
* </code> |
|
* |
|
* @access public |
|
* @param string $html 需要处理的字符串 |
|
* @param string $allowableTags 需要忽略的html标签 |
|
* @return string |
|
*/ |
|
public static function stripTags($html, $allowableTags = NULL) |
|
{ |
|
$normalizeTags = ''; |
|
$allowableAttributes = array(); |
|
|
|
if (!empty($allowableTags) && preg_match_all("/\<([_a-z0-9-]+)([^>]*)\>/is", $allowableTags, $tags)) { |
|
$normalizeTags = '<' . implode('><', array_map('strtolower', $tags[1])) . '>'; |
|
$attributes = array_map('trim', $tags[2]); |
|
foreach ($attributes as $key => $val) { |
|
$allowableAttributes[strtolower($tags[1][$key])] = |
|
array_map('strtolower', array_keys(self::__parseAttrs($val))); |
|
} |
|
} |
|
|
|
self::$_allowableAttributes = $allowableAttributes; |
|
$html = strip_tags($html, $normalizeTags); |
|
$html = preg_replace_callback("/<([_a-z0-9-]+)(\s+[^>]+)?>/is", |
|
array('Typecho_Common', '__filterAttrs'), $html); |
|
|
|
return $html; |
|
} |
|
|
|
/** |
|
* 过滤用于搜索的字符串 |
|
* |
|
* @access public |
|
* @param string $query 搜索字符串 |
|
* @return string |
|
*/ |
|
public static function filterSearchQuery($query) |
|
{ |
|
return str_replace('-', ' ', self::slugName($query)); |
|
} |
|
|
|
/** |
|
* 将url中的非法字符串 |
|
* |
|
* @param string $url 需要过滤的url |
|
* @return string |
|
*/ |
|
public static function safeUrl($url) |
|
{ |
|
//~ 针对location的xss过滤, 因为其特殊性无法使用removeXSS函数 |
|
//~ fix issue 66 |
|
$params = parse_url(str_replace(array("\r", "\n", "\t", ' '), '', $url)); |
|
|
|
/** 禁止非法的协议跳转 */ |
|
if (isset($params['scheme'])) { |
|
if (!in_array($params['scheme'], array('http', 'https'))) { |
|
return '/'; |
|
} |
|
} |
|
|
|
/** 过滤解析串 */ |
|
$params = array_map(array('Typecho_Common', '__removeUrlXss'), $params); |
|
return self::buildUrl($params); |
|
} |
|
|
|
/** |
|
* 处理XSS跨站攻击的过滤函数 |
|
* |
|
* @author kallahar@kallahar.com |
|
* @link http://kallahar.com/smallprojects/php_xss_filter_function.php |
|
* @access public |
|
* @param string $val 需要处理的字符串 |
|
* @return string |
|
*/ |
|
public static function removeXSS($val) |
|
{ |
|
// remove all non-printable characters. CR(0a) and LF(0b) and TAB(9) are allowed |
|
// this prevents some character re-spacing such as <java\0script> |
|
// note that you have to handle splits with \n, \r, and \t later since they *are* allowed in some inputs |
|
$val = preg_replace('/([\x00-\x08]|[\x0b-\x0c]|[\x0e-\x19])/', '', $val); |
|
|
|
// straight replacements, the user should never need these since they're normal characters |
|
// this prevents like <IMG SRC=@avascript:alert('XSS')> |
|
$search = 'abcdefghijklmnopqrstuvwxyz'; |
|
$search .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
|
$search .= '1234567890!@#$%^&*()'; |
|
$search .= '~`";:?+/={}[]-_|\'\\'; |
|
|
|
for ($i = 0; $i < strlen($search); $i++) { |
|
// ;? matches the ;, which is optional |
|
// 0{0,7} matches any padded zeros, which are optional and go up to 8 chars |
|
|
|
// @ @ search for the hex values |
|
$val = preg_replace('/(&#[xX]0{0,8}'.dechex(ord($search[$i])).';?)/i', $search[$i], $val); // with a ; |
|
// @ @ 0{0,7} matches '0' zero to seven times |
|
$val = preg_replace('/(�{0,8}'.ord($search[$i]).';?)/', $search[$i], $val); // with a ; |
|
} |
|
|
|
// now the only remaining whitespace attacks are \t, \n, and \r |
|
$ra1 = Array('javascript', 'vbscript', 'expression', 'applet', 'meta', 'xml', 'blink', 'link', 'style', '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); |
|
|
|
$found = true; // keep replacing as long as the previous round replaced something |
|
while ($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[$i], 0, 2).'<x>'.substr($ra[$i], 2); // add in <> to nerf the tag |
|
$val = preg_replace($pattern, $replacement, $val); // filter out the hex tags |
|
|
|
if ($val_before == $val) { |
|
// no replacements were made, so exit the loop |
|
$found = false; |
|
} |
|
} |
|
} |
|
|
|
return $val; |
|
} |
|
|
|
/** |
|
* 宽字符串截字函数 |
|
* |
|
* @access public |
|
* @param string $str 需要截取的字符串 |
|
* @param integer $start 开始截取的位置 |
|
* @param integer $length 需要截取的长度 |
|
* @param string $trim 截取后的截断标示符 |
|
* @return string |
|
*/ |
|
public static function subStr($str, $start, $length, $trim = "...") |
|
{ |
|
if (!strlen($str)) { |
|
return ''; |
|
} |
|
|
|
$iLength = self::strLen($str) - $start; |
|
$tLength = $length < $iLength ? ($length - self::strLen($trim)) : $length; |
|
|
|
if (__TYPECHO_MB_SUPPORTED__) { |
|
$str = mb_substr($str, $start, $tLength, self::$charset); |
|
} else { |
|
if ('UTF-8' == strtoupper(self::$charset)) { |
|
if (preg_match_all("/./u", $str, $matches)) { |
|
$str = implode('', array_slice($matches[0], $start, $tLength)); |
|
} |
|
} else { |
|
$str = substr($str, $start, $tLength); |
|
} |
|
} |
|
|
|
return $length < $iLength ? ($str . $trim) : $str; |
|
} |
|
|
|
/** |
|
* 获取宽字符串长度函数 |
|
* |
|
* @access public |
|
* @param string $str 需要获取长度的字符串 |
|
* @return integer |
|
*/ |
|
public static function strLen($str) |
|
{ |
|
if (__TYPECHO_MB_SUPPORTED__) { |
|
return mb_strlen($str, self::$charset); |
|
} else { |
|
return 'UTF-8' == strtoupper(self::$charset) |
|
? strlen(utf8_decode($str)) : strlen($str); |
|
} |
|
} |
|
|
|
/** |
|
* 获取大写字符串 |
|
* |
|
* @param string $str |
|
* @access public |
|
* @return string |
|
*/ |
|
public static function strToUpper($str) |
|
{ |
|
if (__TYPECHO_MB_SUPPORTED__) { |
|
return mb_strtoupper($str, self::$charset); |
|
} else { |
|
return 'UTF-8' == strtoupper(self::$charset) |
|
? preg_replace_callback("/[a-z]+/u", array('Typecho_Common', '__strToUpper'), $str) : strtoupper($str); |
|
} |
|
} |
|
|
|
/** |
|
* 检查是否为合法的编码数据 |
|
* |
|
* @param string|array $str |
|
* @return boolean |
|
*/ |
|
public static function checkStrEncoding($str) |
|
{ |
|
if (is_array($str)) { |
|
return array_map(array('Typecho_Common', 'checkStrEncoding'), $str); |
|
} |
|
|
|
if (__TYPECHO_MB_SUPPORTED__) { |
|
return mb_check_encoding($str, self::$charset); |
|
} else { |
|
// just support utf-8 |
|
return preg_match('//u', $str); |
|
} |
|
} |
|
|
|
/** |
|
* 生成缩略名 |
|
* |
|
* @access public |
|
* @param string $str 需要生成缩略名的字符串 |
|
* @param string $default 默认的缩略名 |
|
* @param integer $maxLength 缩略名最大长度 |
|
* @return string |
|
*/ |
|
public static function slugName($str, $default = NULL, $maxLength = 128) |
|
{ |
|
$str = trim($str); |
|
|
|
if (!strlen($str)) { |
|
return $default; |
|
} |
|
|
|
if (__TYPECHO_MB_SUPPORTED__) { |
|
mb_regex_encoding(self::$charset); |
|
mb_ereg_search_init($str, "[\w" . preg_quote('_-') . "]+"); |
|
$result = mb_ereg_search(); |
|
$return = ''; |
|
|
|
if ($result) { |
|
$regs = mb_ereg_search_getregs(); |
|
$pos = 0; |
|
do { |
|
$return .= ($pos > 0 ? '-' : '') . $regs[0]; |
|
$pos ++; |
|
} while ($regs = mb_ereg_search_regs()); |
|
} |
|
|
|
$str = $return; |
|
} else if ('UTF-8' == strtoupper(self::$charset)) { |
|
if (preg_match_all("/[\w" . preg_quote('_-') . "]+/u", $str, $matches)) { |
|
$str = implode('-', $matches[0]); |
|
} |
|
} else { |
|
$str = str_replace(array("'", ":", "\\", "/", '"'), "", $str); |
|
$str = str_replace(array("+", ",", ' ', '，', ' ', ".", "?", "=", "&", "!", "<", ">", "(", ")", "[", "]", "{", "}"), "-", $str); |
|
} |
|
|
|
$str = trim($str, '-_'); |
|
$str = !strlen($str) ? $default : $str; |
|
return substr($str, 0, $maxLength); |
|
} |
|
|
|
/** |
|
* 生成随机字符串 |
|
* |
|
* @access public |
|
* @param integer $length 字符串长度 |
|
* @param boolean $specialChars 是否有特殊字符 |
|
* @return string |
|
*/ |
|
public static function randString($length, $specialChars = false) |
|
{ |
|
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; |
|
if ($specialChars) { |
|
$chars .= '!@#$%^&*()'; |
|
} |
|
|
|
$result = ''; |
|
$max = strlen($chars) - 1; |
|
for ($i = 0; $i < $length; $i++) { |
|
$result .= $chars[rand(0, $max)]; |
|
} |
|
return $result; |
|
} |
|
|
|
/** |
|
* 对字符串进行hash加密 |
|
* |
|
* @access public |
|
* @param string $string 需要hash的字符串 |
|
* @param string $salt 扰码 |
|
* @return string |
|
*/ |
|
public static function hash($string, $salt = NULL) |
|
{ |
|
/** 生成随机字符串 */ |
|
$salt = empty($salt) ? self::randString(9) : $salt; |
|
$length = strlen($string); |
|
$hash = ''; |
|
$last = ord($string[$length - 1]); |
|
$pos = 0; |
|
|
|
/** 判断扰码长度 */ |
|
if (strlen($salt) != 9) { |
|
/** 如果不是9直接返回 */ |
|
return; |
|
} |
|
|
|
while ($pos < $length) { |
|
$asc = ord($string[$pos]); |
|
$last = ($last * ord($salt[($last % $asc) % 9]) + $asc) % 95 + 32; |
|
$hash .= chr($last); |
|
$pos ++; |
|
} |
|
|
|
return '$T$' . $salt . md5($hash); |
|
} |
|
|
|
/** |
|
* 判断hash值是否相等 |
|
* |
|
* @access public |
|
* @param string $from 源字符串 |
|
* @param string $to 目标字符串 |
|
* @return boolean |
|
*/ |
|
public static function hashValidate($from, $to) |
|
{ |
|
if ('$T$' == substr($to, 0, 3)) { |
|
$salt = substr($to, 3, 9); |
|
return self::hash($from, $salt) === $to; |
|
} else { |
|
return md5($from) === $to; |
|
} |
|
} |
|
|
|
/** |
|
* 将路径转化为链接 |
|
* |
|
* @access public |
|
* @param string $path 路径 |
|
* @param string $prefix 前缀 |
|
* @return string |
|
*/ |
|
public static function url($path, $prefix) |
|
{ |
|
$path = (0 === strpos($path, './')) ? substr($path, 2) : $path; |
|
return rtrim($prefix, '/') . '/' . str_replace('//', '/', ltrim($path, '/')); |
|
} |
|
|
|
/** |
|
* 获取gravatar头像地址 |
|
* |
|
* @param string $mail |
|
* @param int $size |
|
* @param string $rating |
|
* @param string $default |
|
* @param bool $isSecure |
|
* @return string |
|
*/ |
|
public static function gravatarUrl($mail, $size, $rating, $default, $isSecure = false) |
|
{ |
|
if (defined('__TYPECHO_GRAVATAR_PREFIX__')) { |
|
$url = __TYPECHO_GRAVATAR_PREFIX__; |
|
} else { |
|
$url = $isSecure ? 'https://secure.gravatar.com' : 'http://www.gravatar.com'; |
|
$url .= '/avatar/'; |
|
} |
|
|
|
if (!empty($mail)) { |
|
$url .= md5(strtolower(trim($mail))); |
|
} |
|
|
|
$url .= '?s=' . $size; |
|
$url .= '&r=' . $rating; |
|
$url .= '&d=' . $default; |
|
|
|
return $url; |
|
} |
|
|
|
/** |
|
* 给javascript赋值加入扰码设计 |
|
* |
|
* @param string $value |
|
* @return string |
|
*/ |
|
public static function shuffleScriptVar($value) |
|
{ |
|
$length = strlen($value); |
|
$max = 3; |
|
$offset = 0; |
|
$result = array(); |
|
$cut = array(); |
|
|
|
while ($length > 0) { |
|
$len = rand(0, min($max, $length)); |
|
$rand = "'" . self::randString(rand(1, $max)) . "'"; |
|
|
|
if ($len > 0) { |
|
$val = "'" . substr($value, $offset, $len) . "'"; |
|
$result[] = rand(0, 1) ? "//{$rand}\n{$val}" : "{$val}//{$rand}\n"; |
|
} else { |
|
if (rand(0, 1)) { |
|
$result[] = rand(0, 1) ? "''///*{$rand}*/{$rand}\n" : "/* {$rand}//{$rand} */''"; |
|
} else { |
|
$result[] = rand(0, 1) ? "//{$rand}\n{$rand}" : "{$rand}//{$rand}\n"; |
|
$cut[] = array($offset, strlen($rand) - 2 + $offset); |
|
} |
|
} |
|
|
|
$offset += $len; |
|
$length -= $len; |
|
} |
|
|
|
$name = '_' . self::randString(rand(3, 7)); |
|
$cutName = '_' . self::randString(rand(3, 7)); |
|
$var = implode('+', $result); |
|
$cutVar = Json::encode($cut); |
|
return "(function () { |
|
var {$name} = {$var}, {$cutName} = {$cutVar}; |
|
|
|
for (var i = 0; i < {$cutName}.length; i ++) { |
|
{$name} = {$name}.substring(0, {$cutName}[i][0]) + {$name}.substring({$cutName}[i][1]); |
|
} |
|
|
|
return {$name}; |
|
})();"; |
|
} |
|
|
|
/** |
|
* 过滤字段名 |
|
* |
|
* @access private |
|
* @param mixed $result |
|
* @return array |
|
*/ |
|
public static function filterSQLite2ColumnName($result) |
|
{ |
|
/** 如果结果为空,直接返回 */ |
|
if (empty($result)) { |
|
return $result; |
|
} |
|
|
|
$tResult = array(); |
|
|
|
/** 遍历数组 */ |
|
foreach ($result as $key => $val) { |
|
/** 按点分隔 */ |
|
if (false !== ($pos = strpos($key, '.'))) { |
|
$key = substr($key, $pos + 1); |
|
} |
|
|
|
$tResult[trim($key, '"')] = $val; |
|
} |
|
|
|
return $tResult; |
|
} |
|
|
|
/** |
|
* 处理sqlite2的distinct count |
|
* |
|
* @param $sql |
|
* @return string |
|
*/ |
|
public static function filterSQLite2CountQuery($sql) |
|
{ |
|
if (preg_match("/SELECT\s+COUNT\(DISTINCT\s+([^\)]+)\)\s+(AS\s+[^\s]+)?\s*FROM\s+(.+)/is", $sql, $matches)) { |
|
return 'SELECT COUNT(' . $matches[1] . ') ' . $matches[2] . ' FROM SELECT DISTINCT ' |
|
. $matches[1] . ' FROM ' . $matches[3]; |
|
} |
|
|
|
return $sql; |
|
} |
|
|
|
/** |
|
* 创建备份文件缓冲 |
|
* |
|
* @param $type |
|
* @param $header |
|
* @param $body |
|
* @return string |
|
*/ |
|
public static function buildBackupBuffer($type, $header, $body) |
|
{ |
|
$buffer = ''; |
|
|
|
$buffer .= pack('vvv', $type, strlen($header), strlen($body)); |
|
$buffer .= $header . $body; |
|
$buffer .= md5($buffer); |
|
|
|
return $buffer; |
|
} |
|
|
|
/** |
|
* 从备份文件中解压 |
|
* |
|
* @param $fp |
|
* @param bool $offset |
|
* @return array|bool |
|
*/ |
|
public static function extractBackupBuffer($fp, &$offset) |
|
{ |
|
$meta = fread($fp, 6); |
|
$offset += 6; |
|
$metaLen = strlen($meta); |
|
|
|
if (false === $meta || $metaLen != 6) { |
|
return false; |
|
} |
|
|
|
list ($type, $headerLen, $bodyLen) = array_values(unpack('v3', $meta)); |
|
|
|
$header = @fread($fp, $headerLen); |
|
$offset += $headerLen; |
|
|
|
if (false === $header || strlen($header) != $headerLen) { |
|
return false; |
|
} |
|
|
|
$body = @fread($fp, $bodyLen); |
|
$offset += $bodyLen; |
|
|
|
if (false === $body || strlen($body) != $bodyLen) { |
|
return false; |
|
} |
|
|
|
$md5 = @fread($fp, 32); |
|
$offset += 32; |
|
|
|
if (false === $md5 || $md5 != md5($meta . $header . $body)) { |
|
return false; |
|
} |
|
|
|
return array($type, $header, $body); |
|
} |
|
|
|
/** |
|
* 检查是否是一个安全的主机名 |
|
* |
|
* @param $host |
|
* @return bool |
|
*/ |
|
public static function checkSafeHost($host) |
|
{ |
|
if ('localhost' == $host) { |
|
return false; |
|
} |
|
|
|
$address = gethostbyname($host); |
|
$inet = inet_pton($address); |
|
|
|
if (false === $inet) { |
|
// 有可能是ipv6的地址 |
|
$records = dns_get_record($host, DNS_AAAA); |
|
|
|
if (empty($records)) { |
|
return false; |
|
} |
|
|
|
$address = $records[0]['ipv6']; |
|
$inet = inet_pton($address); |
|
} |
|
|
|
if (strpos($address, '.')) { |
|
// ipv4 |
|
// 非公网地址 |
|
$privateNetworks = array( |
|
'10.0.0.0|10.255.255.255', |
|
'172.16.0.0|172.31.255.255', |
|
'192.168.0.0|192.168.255.255', |
|
'169.254.0.0|169.254.255.255', |
|
'127.0.0.0|127.255.255.255' |
|
); |
|
|
|
$long = ip2long($address); |
|
|
|
foreach ($privateNetworks as $network) { |
|
list ($from, $to) = explode('|', $network); |
|
|
|
if ($long >= ip2long($from) && $long <= ip2long($to)) { |
|
return false; |
|
} |
|
} |
|
} else { |
|
// ipv6 |
|
// https://en.wikipedia.org/wiki/Private_network |
|
$from = inet_pton('fd00::'); |
|
$to = inet_pton('fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff'); |
|
|
|
if ($inet >= $from && $inet <= $to) { |
|
return false; |
|
} |
|
} |
|
|
|
return true; |
|
} |
|
|
|
/** |
|
* 获取图片 |
|
* |
|
* @access public |
|
* @param string $fileName 文件名 |
|
* @return string |
|
*/ |
|
public static function mimeContentType($fileName) |
|
{ |
|
//改为并列判断 |
|
if (function_exists('mime_content_type')) { |
|
return mime_content_type($fileName); |
|
} |
|
|
|
if (function_exists('finfo_open')) { |
|
$fInfo = @finfo_open(FILEINFO_MIME_TYPE); |
|
|
|
if (false !== $fInfo) { |
|
$mimeType = finfo_file($fInfo, $fileName); |
|
finfo_close($fInfo); |
|
return $mimeType; |
|
} |
|
} |
|
|
|
$mimeTypes = array( |
|
'ez' => 'application/andrew-inset', |
|
'csm' => 'application/cu-seeme', |
|
'cu' => 'application/cu-seeme', |
|
'tsp' => 'application/dsptype', |
|
'spl' => 'application/x-futuresplash', |
|
'hta' => 'application/hta', |
|
'cpt' => 'image/x-corelphotopaint', |
|
'hqx' => 'application/mac-binhex40', |
|
'nb' => 'application/mathematica', |
|
'mdb' => 'application/msaccess', |
|
'doc' => 'application/msword', |
|
'dot' => 'application/msword', |
|
'bin' => 'application/octet-stream', |
|
'oda' => 'application/oda', |
|
'ogg' => 'application/ogg', |
|
'prf' => 'application/pics-rules', |
|
'key' => 'application/pgp-keys', |
|
'pdf' => 'application/pdf', |
|
'pgp' => 'application/pgp-signature', |
|
'ps' => 'application/postscript', |
|
'ai' => 'application/postscript', |
|
'eps' => 'application/postscript', |
|
'rss' => 'application/rss+xml', |
|
'rtf' => 'text/rtf', |
|
'smi' => 'application/smil', |
|
'smil' => 'application/smil', |
|
'wp5' => 'application/wordperfect5.1', |
|
'xht' => 'application/xhtml+xml', |
|
'xhtml' => 'application/xhtml+xml', |
|
'zip' => 'application/zip', |
|
'cdy' => 'application/vnd.cinderella', |
|
'mif' => 'application/x-mif', |
|
'xls' => 'application/vnd.ms-excel', |
|
'xlb' => 'application/vnd.ms-excel', |
|
'cat' => 'application/vnd.ms-pki.seccat', |
|
'stl' => 'application/vnd.ms-pki.stl', |
|
'ppt' => 'application/vnd.ms-powerpoint', |
|
'pps' => 'application/vnd.ms-powerpoint', |
|
'pot' => 'application/vnd.ms-powerpoint', |
|
'sdc' => 'application/vnd.stardivision.calc', |
|
'sda' => 'application/vnd.stardivision.draw', |
|
'sdd' => 'application/vnd.stardivision.impress', |
|
'sdp' => 'application/vnd.stardivision.impress', |
|
'smf' => 'application/vnd.stardivision.math', |
|
'sdw' => 'application/vnd.stardivision.writer', |
|
'vor' => 'application/vnd.stardivision.writer', |
|
'sgl' => 'application/vnd.stardivision.writer-global', |
|
'sxc' => 'application/vnd.sun.xml.calc', |
|
'stc' => 'application/vnd.sun.xml.calc.template', |
|
'sxd' => 'application/vnd.sun.xml.draw', |
|
'std' => 'application/vnd.sun.xml.draw.template', |
|
'sxi' => 'application/vnd.sun.xml.impress', |
|
'sti' => 'application/vnd.sun.xml.impress.template', |
|
'sxm' => 'application/vnd.sun.xml.math', |
|
'sxw' => 'application/vnd.sun.xml.writer', |
|
'sxg' => 'application/vnd.sun.xml.writer.global', |
|
'stw' => 'application/vnd.sun.xml.writer.template', |
|
'sis' => 'application/vnd.symbian.install', |
|
'wbxml' => 'application/vnd.wap.wbxml', |
|
'wmlc' => 'application/vnd.wap.wmlc', |
|
'wmlsc' => 'application/vnd.wap.wmlscriptc', |
|
'wk' => 'application/x-123', |
|
'dmg' => 'application/x-apple-diskimage', |
|
'bcpio' => 'application/x-bcpio', |
|
'torrent' => 'application/x-bittorrent', |
|
'cdf' => 'application/x-cdf', |
|
'vcd' => 'application/x-cdlink', |
|
'pgn' => 'application/x-chess-pgn', |
|
'cpio' => 'application/x-cpio', |
|
'csh' => 'text/x-csh', |
|
'deb' => 'application/x-debian-package', |
|
'dcr' => 'application/x-director', |
|
'dir' => 'application/x-director', |
|
'dxr' => 'application/x-director', |
|
'wad' => 'application/x-doom', |
|
'dms' => 'application/x-dms', |
|
'dvi' => 'application/x-dvi', |
|
'pfa' => 'application/x-font', |
|
'pfb' => 'application/x-font', |
|
'gsf' => 'application/x-font', |
|
'pcf' => 'application/x-font', |
|
'pcf.Z' => 'application/x-font', |
|
'gnumeric' => 'application/x-gnumeric', |
|
'sgf' => 'application/x-go-sgf', |
|
'gcf' => 'application/x-graphing-calculator', |
|
'gtar' => 'application/x-gtar', |
|
'tgz' => 'application/x-gtar', |
|
'taz' => 'application/x-gtar', |
|
'gz' => 'application/x-gtar', |
|
'hdf' => 'application/x-hdf', |
|
'phtml' => 'application/x-httpd-php', |
|
'pht' => 'application/x-httpd-php', |
|
'php' => 'application/x-httpd-php', |
|
'phps' => 'application/x-httpd-php-source', |
|
'php3' => 'application/x-httpd-php3', |
|
'php3p' => 'application/x-httpd-php3-preprocessed', |
|
'php4' => 'application/x-httpd-php4', |
|
'ica' => 'application/x-ica', |
|
'ins' => 'application/x-internet-signup', |
|
'isp' => 'application/x-internet-signup', |
|
'iii' => 'application/x-iphone', |
|
'jar' => 'application/x-java-archive', |
|
'jnlp' => 'application/x-java-jnlp-file', |
|
'ser' => 'application/x-java-serialized-object', |
|
'class' => 'application/x-java-vm', |
|
'js' => 'application/x-javascript', |
|
'chrt' => 'application/x-kchart', |
|
'kil' => 'application/x-killustrator', |
|
'kpr' => 'application/x-kpresenter', |
|
'kpt' => 'application/x-kpresenter', |
|
'skp' => 'application/x-koan', |
|
'skd' => 'application/x-koan', |
|
'skt' => 'application/x-koan', |
|
'skm' => 'application/x-koan', |
|
'ksp' => 'application/x-kspread', |
|
'kwd' => 'application/x-kword', |
|
'kwt' => 'application/x-kword', |
|
'latex' => 'application/x-latex', |
|
'lha' => 'application/x-lha', |
|
'lzh' => 'application/x-lzh', |
|
'lzx' => 'application/x-lzx', |
|
'frm' => 'application/x-maker', |
|
'maker' => 'application/x-maker', |
|
'frame' => 'application/x-maker', |
|
'fm' => 'application/x-maker', |
|
'fb' => 'application/x-maker', |
|
'book' => 'application/x-maker', |
|
'fbdoc' => 'application/x-maker', |
|
'wmz' => 'application/x-ms-wmz', |
|
'wmd' => 'application/x-ms-wmd', |
|
'com' => 'application/x-msdos-program', |
|
'exe' => 'application/x-msdos-program', |
|
'bat' => 'application/x-msdos-program', |
|
'dll' => 'application/x-msdos-program', |
|
'msi' => 'application/x-msi', |
|
'nc' => 'application/x-netcdf', |
|
'pac' => 'application/x-ns-proxy-autoconfig', |
|
'nwc' => 'application/x-nwc', |
|
'o' => 'application/x-object', |
|
'oza' => 'application/x-oz-application', |
|
'pl' => 'application/x-perl', |
|
'pm' => 'application/x-perl', |
|
'p7r' => 'application/x-pkcs7-certreqresp', |
|
'crl' => 'application/x-pkcs7-crl', |
|
'qtl' => 'application/x-quicktimeplayer', |
|
'rpm' => 'audio/x-pn-realaudio-plugin', |
|
'shar' => 'application/x-shar', |
|
'swf' => 'application/x-shockwave-flash', |
|
'swfl' => 'application/x-shockwave-flash', |
|
'sh' => 'text/x-sh', |
|
'sit' => 'application/x-stuffit', |
|
'sv4cpio' => 'application/x-sv4cpio', |
|
'sv4crc' => 'application/x-sv4crc', |
|
'tar' => 'application/x-tar', |
|
'tcl' => 'text/x-tcl', |
|
'tex' => 'text/x-tex', |
|
'gf' => 'application/x-tex-gf', |
|
'pk' => 'application/x-tex-pk', |
|
'texinfo' => 'application/x-texinfo', |
|
'texi' => 'application/x-texinfo', |
|
'~' => 'application/x-trash', |
|
'%' => 'application/x-trash', |
|
'bak' => 'application/x-trash', |
|
'old' => 'application/x-trash', |
|
'sik' => 'application/x-trash', |
|
't' => 'application/x-troff', |
|
'tr' => 'application/x-troff', |
|
'roff' => 'application/x-troff', |
|
'man' => 'application/x-troff-man', |
|
'me' => 'application/x-troff-me', |
|
'ms' => 'application/x-troff-ms', |
|
'ustar' => 'application/x-ustar', |
|
'src' => 'application/x-wais-source', |
|
'wz' => 'application/x-wingz', |
|
'crt' => 'application/x-x509-ca-cert', |
|
'fig' => 'application/x-xfig', |
|
'au' => 'audio/basic', |
|
'snd' => 'audio/basic', |
|
'mid' => 'audio/midi', |
|
'midi' => 'audio/midi', |
|
'kar' => 'audio/midi', |
|
'mpga' => 'audio/mpeg', |
|
'mpega' => 'audio/mpeg', |
|
'mp2' => 'audio/mpeg', |
|
'mp3' => 'audio/mpeg', |
|
'm3u' => 'audio/x-mpegurl', |
|
'sid' => 'audio/prs.sid', |
|
'aif' => 'audio/x-aiff', |
|
'aiff' => 'audio/x-aiff', |
|
'aifc' => 'audio/x-aiff', |
|
'gsm' => 'audio/x-gsm', |
|
'wma' => 'audio/x-ms-wma', |
|
'wax' => 'audio/x-ms-wax', |
|
'ra' => 'audio/x-realaudio', |
|
'rm' => 'audio/x-pn-realaudio', |
|
'ram' => 'audio/x-pn-realaudio', |
|
'pls' => 'audio/x-scpls', |
|
'sd2' => 'audio/x-sd2', |
|
'wav' => 'audio/x-wav', |
|
'pdb' => 'chemical/x-pdb', |
|
'xyz' => 'chemical/x-xyz', |
|
'bmp' => 'image/x-ms-bmp', |
|
'gif' => 'image/gif', |
|
'ief' => 'image/ief', |
|
'jpeg' => 'image/jpeg', |
|
'jpg' => 'image/jpeg', |
|
'jpe' => 'image/jpeg', |
|
'pcx' => 'image/pcx', |
|
'png' => 'image/png', |
|
'svg' => 'image/svg+xml', |
|
'svgz' => 'image/svg+xml', |
|
'tiff' => 'image/tiff', |
|
'tif' => 'image/tiff', |
|
'wbmp' => 'image/vnd.wap.wbmp', |
|
'ras' => 'image/x-cmu-raster', |
|
'cdr' => 'image/x-coreldraw', |
|
'pat' => 'image/x-coreldrawpattern', |
|
'cdt' => 'image/x-coreldrawtemplate', |
|
'djvu' => 'image/x-djvu', |
|
'djv' => 'image/x-djvu', |
|
'ico' => 'image/x-icon', |
|
'art' => 'image/x-jg', |
|
'jng' => 'image/x-jng', |
|
'psd' => 'image/x-photoshop', |
|
'pnm' => 'image/x-portable-anymap', |
|
'pbm' => 'image/x-portable-bitmap', |
|
'pgm' => 'image/x-portable-graymap', |
|
'ppm' => 'image/x-portable-pixmap', |
|
'rgb' => 'image/x-rgb', |
|
'xbm' => 'image/x-xbitmap', |
|
'xpm' => 'image/x-xpixmap', |
|
'xwd' => 'image/x-xwindowdump', |
|
'igs' => 'model/iges', |
|
'iges' => 'model/iges', |
|
'msh' => 'model/mesh', |
|
'mesh' => 'model/mesh', |
|
'silo' => 'model/mesh', |
|
'wrl' => 'x-world/x-vrml', |
|
'vrml' => 'x-world/x-vrml', |
|
'csv' => 'text/comma-separated-values', |
|
'css' => 'text/css', |
|
'323' => 'text/h323', |
|
'htm' => 'text/html', |
|
'html' => 'text/html', |
|
'uls' => 'text/iuls', |
|
'mml' => 'text/mathml', |
|
'asc' => 'text/plain', |
|
'txt' => 'text/plain', |
|
'text' => 'text/plain', |
|
'diff' => 'text/plain', |
|
'rtx' => 'text/richtext', |
|
'sct' => 'text/scriptlet', |
|
'wsc' => 'text/scriptlet', |
|
'tm' => 'text/texmacs', |
|
'ts' => 'text/texmacs', |
|
'tsv' => 'text/tab-separated-values', |
|
'jad' => 'text/vnd.sun.j2me.app-descriptor', |
|
'wml' => 'text/vnd.wap.wml', |
|
'wmls' => 'text/vnd.wap.wmlscript', |
|
'xml' => 'text/xml', |
|
'xsl' => 'text/xml', |
|
'h++' => 'text/x-c++hdr', |
|
'hpp' => 'text/x-c++hdr', |
|
'hxx' => 'text/x-c++hdr', |
|
'hh' => 'text/x-c++hdr', |
|
'c++' => 'text/x-c++src', |
|
'cpp' => 'text/x-c++src', |
|
'cxx' => 'text/x-c++src', |
|
'cc' => 'text/x-c++src', |
|
'h' => 'text/x-chdr', |
|
'c' => 'text/x-csrc', |
|
'java' => 'text/x-java', |
|
'moc' => 'text/x-moc', |
|
'p' => 'text/x-pascal', |
|
'pas' => 'text/x-pascal', |
|
'***' => 'text/x-pcs-***', |
|
'shtml' => 'text/x-server-parsed-html', |
|
'etx' => 'text/x-setext', |
|
'tk' => 'text/x-tcl', |
|
'ltx' => 'text/x-tex', |
|
'sty' => 'text/x-tex', |
|
'cls' => 'text/x-tex', |
|
'vcs' => 'text/x-vcalendar', |
|
'vcf' => 'text/x-vcard', |
|
'dl' => 'video/dl', |
|
'fli' => 'video/fli', |
|
'gl' => 'video/gl', |
|
'mpeg' => 'video/mpeg', |
|
'mpg' => 'video/mpeg', |
|
'mpe' => 'video/mpeg', |
|
'qt' => 'video/quicktime', |
|
'mov' => 'video/quicktime', |
|
'mxu' => 'video/vnd.mpegurl', |
|
'dif' => 'video/x-dv', |
|
'dv' => 'video/x-dv', |
|
'lsf' => 'video/x-la-asf', |
|
'lsx' => 'video/x-la-asf', |
|
'mng' => 'video/x-mng', |
|
'asf' => 'video/x-ms-asf', |
|
'asx' => 'video/x-ms-asf', |
|
'wm' => 'video/x-ms-wm', |
|
'wmv' => 'video/x-ms-wmv', |
|
'wmx' => 'video/x-ms-wmx', |
|
'wvx' => 'video/x-ms-wvx', |
|
'avi' => 'video/x-msvideo', |
|
'movie' => 'video/x-sgi-movie', |
|
'ice' => 'x-conference/x-cooltalk', |
|
'vrm' => 'x-world/x-vrml', |
|
'rar' => 'application/x-rar-compressed', |
|
'cab' => 'application/vnd.ms-cab-compressed' |
|
); |
|
|
|
$part = explode('.', $fileName); |
|
$size = count($part); |
|
|
|
if ($size > 1) { |
|
$ext = $part[$size - 1]; |
|
if (isset($mimeTypes[$ext])) { |
|
return $mimeTypes[$ext]; |
|
} |
|
} |
|
|
|
return 'application/octet-stream'; |
|
} |
|
|
|
/** |
|
* 寻找匹配的mime图标 |
|
* |
|
* @access public |
|
* @param string $mime mime类型 |
|
* @return string |
|
*/ |
|
public static function mimeIconType($mime) |
|
{ |
|
$parts = explode('/', $mime); |
|
|
|
if (count($parts) < 2) { |
|
return 'unknown'; |
|
} |
|
|
|
list ($type, $stream) = $parts; |
|
|
|
if (in_array($type, array('image', 'video', 'audio', 'text', 'application'))) { |
|
switch (true) { |
|
case in_array($stream, array('msword', 'msaccess', 'ms-powerpoint', 'ms-powerpoint')): |
|
case 0 === strpos($stream, 'vnd.'): |
|
return 'office'; |
|
case false !== strpos($stream, 'html') || false !== strpos($stream, 'xml') || false !== strpos($stream, 'wml'): |
|
return 'html'; |
|
case false !== strpos($stream, 'compressed') || false !== strpos($stream, 'zip') || |
|
in_array($stream, array('application/x-gtar', 'application/x-tar')): |
|
return 'archive'; |
|
case 'text' == $type && 0 === strpos($stream, 'x-'): |
|
return 'script'; |
|
default: |
|
return $type; |
|
} |
|
} else { |
|
return 'unknown'; |
|
} |
|
} |
|
}
|
|
|