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修复命令行bug
This commit is contained in:
liaofei
parent
11d79cf216
commit
83bf5e90b5
@ -742,6 +742,9 @@ class CopyTaobao extends AuthController
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if (!strlen(trim($name))) {
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if (!strlen(trim($name))) {
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//TODO 获取要下载的文件名称
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//TODO 获取要下载的文件名称
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$downloadImageInfo = $this->getImageExtname($url);
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$downloadImageInfo = $this->getImageExtname($url);
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if(!$this->checkExtname($url,$downloadImageInfo['ext_name'])){
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return JsonService::fail('文件后缀不合法');
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}
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$name = $downloadImageInfo['file_name'];
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$name = $downloadImageInfo['file_name'];
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if (!strlen(trim($name))) return '';
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if (!strlen(trim($name))) return '';
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}
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}
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@ -797,6 +800,21 @@ class CopyTaobao extends AuthController
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return ['file_name' => md5($url) . '.' . $ext_name, 'ext_name' => $ext_name];
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return ['file_name' => md5($url) . '.' . $ext_name, 'ext_name' => $ext_name];
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}
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}
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/**
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* 验证下载图片文件后缀
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* @param string $url
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* @param string $ex
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* @return bool
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*/
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public function checkExtname($url = '',$ex = 'jpg')
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{
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if(in_array($ex, ['jpg', 'jpeg', 'gif', 'png', 'swf', 'bmp']) && ( function_exists('getimagesize') && !@getimagesize($url) ))
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{
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return true;
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}
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return false;
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}
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/*
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/*
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$filepath = 绝对路径，末尾有斜杠 /
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$filepath = 绝对路径，末尾有斜杠 /
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$name = 图片文件名
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$name = 图片文件名
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@ -39,8 +39,15 @@ class FileService
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@return: 成功=true
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@return: 成功=true
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*/
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*/
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static function write_file($filename, $writetext, $openmod='w')
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public static function write_file($filename, $writetext, $openmod='w')
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{
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{
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if (!self::checkPath($filename)) {
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return false;
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}
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if (!self::checkContent($writetext)) {
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return false;
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}
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if(@$fp = fopen($filename, $openmod))
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if(@$fp = fopen($filename, $openmod))
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{
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{
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flock($fp, 2);
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flock($fp, 2);
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@ -953,4 +960,99 @@ class FileService
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return is_writable($file);
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return is_writable($file);
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}
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}
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/**
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* 验证目录结构中是否包含特殊字符
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* @param $path
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* @return bool
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*/
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public static function checkPath($path)
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{
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$str = ['/%00/', '"/\/|\～|\，|\。|\！|\？|\“|\”|\【|\】|\『|\』|\：|\；|\《|\》|\’|\‘|\ |\~|\!|\@|\#|\\$|\%|\^|\&|\*|\(|\)|\+|\{|\}|\:|\<|\>|\?|\[|\]|\,|\/|\;|\'|\`|\=|\\\|\|/"'];
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foreach ($str as $value) {
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if (preg_match($value, $path)) {
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return false;
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}
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}
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return true;
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}
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/**
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* 验证文件内容中可能存在的shell
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* @param $content
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* @return bool
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*/
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public static function checkContent($content)
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{
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//加密类型shell
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if ((preg_match('#(\$\w{2,4}\s?=\s?str_replace\("\w+","","[\w_]+"\);\s?)+#s', $content) && preg_match('#(\$\w{2,4}\s?=\s?"[\w\d\+\/\=]+";\s?)+#', $content) && preg_match('#\$[\w]{2,4}\s?=\s\$[\w]{2,4}\(\'\',\s?\$\w{2,4}\(\$\w{2,4}\("\w{1,4}",\s?"",\s?\$\w{2,4}\.\$\w{2,4}\.\$\w{2,4}\.\$\w{2,4}\)\)\);\s+?\$\w{2,4}\(\)\;#', $content))
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(preg_match('#\$\w+\d\s?=\s?str_replace\(\"[\w\d]+\",\"\",\"[\w\d]+\"\);#s', $content) && preg_match('#\$\w+\s?=\s?\$[\w\d]+\(\'\',\s?\$[\w\d]+\(\$\w+\(\$\w+\(\"[[:punct:]]+\",\s?\"\",\s?\$\w+\.\$\w+\.\$\w+\.\$\w+\)\)\)\);\s?\$\w+\(\);#s', $content))
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) {
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return false;
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}
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//回调类型
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if (preg_match('#\$\w+\s?=\s?\$_(?:GET|POST|REQUEST|COOKIE|SERVER)\[.*?\]#is', $content) &&
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preg_match('#\$\w+\s?=\s?(?:new)?\s?array\w*\s?\(.*?_(?:GET|POST|REQUEST|COOKIE|SERVER)\[.*?\].*?\)+#is', $content) &&
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preg_match('#(?:array_(?:reduce|map|udiff|walk|walk_recursive|filter)|u[ak]sort)\s?\(.*?\)+?#is', $content)
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) {
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return false;
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}
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//内容过滤
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$matches = [
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'/mb_ereg_replace\([\'\*\s\,\.\"]+\$_(?:GET|POST|REQUEST|COOKIE|SERVER)\[[\'\"].*?[\'\"][\]][\,\s\'\"]+e[\'\"]/is',
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'/preg_filter\([\'\"\|\.\*e]+.*\$_(?:GET|POST|REQUEST|COOKIE|SERVER)/is',
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'/create_function\s?\(.*assert\(/is',
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'/ini_get\(\'safe_mode\'\)/i',
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'/get_current_user\(.*?\)/i',
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'/@?assert\s?\(\$.*?\)/i',
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'/proc_open\s?\(.*?pipe\',\s?\'w\'\)/is',
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'/sTr_RepLaCe\s?\([\'\"].*?[\'\"],[\'\"].*?[\'\"]\s?,\s?\'a[[:alnum:][:punct:]]+?s[[:alnum:][:punct:]]+?s[[:alnum:][:punct:]]+?e[[:alnum:][:punct:]]+?r[[:alnum:][:punct:]]+?t[[:alnum:][:punct:]]+?\)/i',
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'/preg_replace_callback\(.*?create_function\(/is',
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'/filter_var(?:_array)?\s?.*?\$_(?:GET|POST|REQUEST|COOKIE|SERVER)\[[\'\"][[:punct:][:alnum:]]+[\'\"]\][[:punct:][:alnum:][:space:]]+?assert[\'\"]\)/is',
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'/ob_start\([\'\"]+assert[\'\"]+\)/is',
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'/new\s?ReflectionFunction\(.*?->invoke\(/is',
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'/PDO::FETCH_FUNC/',
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'/\$\w+.*\s?(?:=|->)\s?.*?[\'\"]assert[\'\"]\)?/i',
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'/\$\w+->(?:sqlite)?createFunction\(.*?\)/i',
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'/eval\([\"\']?\\\?\$\w+\s?=\s?.*?\)/i',
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'/eval\(.*?gzinflate\(base64_decode\(/i',
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'/copy\(\$HTTP_POST_FILES\[\'\w+\'\]\s?\[\'tmp_name\'\]/i',
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'/register_(?:shutdown|tick)_function\s?\(\$\w+,\s\$_(?:GET|POST|REQUEST|COOKIE|SERVER)\[.*?\]\)/is',
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'/register_(?:shutdown|tick)_function\s?\(?[\'\"]assert[\"\'].*?\)/i',
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'/call_user_func.*?\([\"|\']assert[\"|\'],.*\$_(?:GET|POST|REQUEST|COOKIE|SERVER)\[[\'|\"].*\]\)+/is',
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'/preg_replace\(.*?e.*?\'\s?,\s?.*?\w+\(.*?\)/i',
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'/function_exists\s*\(\s*[\'|\"](popen|exec|proc_open|system|passthru)+[\'|\"]\s*\)/i',
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'/(exec|shell_exec|system|passthru)+\s*\(\s*\$_(\w+)\[(.*)\]\s*\)/i',
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'/(exec|shell_exec|system|passthru)+\s*\(\$\w+\)/i',
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'/(exec|shell_exec|system|passthru)\s?\(\w+\(\"http_.*\"\)\)/i',
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'/(?:john\.barker446@gmail\.com|xb5@hotmail\.com|shopen@aventgrup\.net|milw0rm\.com|www\.aventgrup\.net|mgeisler@mgeisler\.net)/i',
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'/Php\s*?Shell/i',
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'/((udp|tcp)\:\/\/(.*)\;)+/i',
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'/preg_replace\s*\((.*)\/e(.*)\,\s*\$_(.*)\,(.*)\)/i',
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'/preg_replace\s*\((.*)\(base64_decode\(\$/i',
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'/(eval|assert|include|require|include_once|require_once)+\s*\(\s*(base64_decode|str_rot13|gz(\w+)|file_(\w+)_contents|(.*)php\:\/\/input)+/i',
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'/(eval|assert|include|require|include_once|require_once|array_map|array_walk)+\s*\(.*?\$_(?:GET|POST|REQUEST|COOKIE|SERVER|SESSION)+\[(.*)\]\s*\)/i',
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'/eval\s*\(\s*\(\s*\$\$(\w+)/i',
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'/((?:include|require|include_once|require_once)+\s*\(?\s*[\'|\"]\w+\.(?!php).*[\'|\"])/i',
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'/\$_(\w+)(.*)(eval|assert|include|require|include_once|require_once)+\s*\(\s*\$(\w+)\s*\)/i',
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'/\(\s*\$_FILES\[(.*)\]\[(.*)\]\s*\,\s*\$_(GET|POST|REQUEST|FILES)+\[(.*)\]\[(.*)\]\s*\)/i',
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'/(fopen|fwrite|fputs|file_put_contents)+\s*\((.*)\$_(GET|POST|REQUEST|COOKIE|SERVER)+\[(.*)\](.*)\)/i',
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'/echo\s*curl_exec\s*\(\s*\$(\w+)\s*\)/i',
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'/new com\s*\(\s*[\'|\"]shell(.*)[\'|\"]\s*\)/i',
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'/\$(.*)\s*\((.*)\/e(.*)\,\s*\$_(.*)\,(.*)\)/i',
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'/\$_\=(.*)\$_/i',
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'/\$_(GET|POST|REQUEST|COOKIE|SERVER)+\[(.*)\]\(\s*\$(.*)\)/i',
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'/\$(\w+)\s*\(\s*\$_(GET|POST|REQUEST|COOKIE|SERVER)+\[(.*)\]\s*\)/i',
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'/\$(\w+)\s*\(\s*\$\{(.*)\}/i',
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'/\$(\w+)\s*\(\s*chr\(\d+\)/i'
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];
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foreach ($matches as $value) {
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if (preg_match($value, $content)) {
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return false;
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}
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}
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return true;
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}
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}
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}
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