PHP 基于文件头的文件类型验证类函数_php实例

我这里写了一个验证类，是通过文件头来判断文件格式.(也不是百分之百安全，如果用户伪造了文件头，也能通过验证)

 <BR><?php <BR>/** <BR>* 检证文件类型类 <BR>* <BR>* @author Silver <BR>*/ <BR>class FileTypeValidation <BR>{ <BR>// 文件类型，不同的头信息 <BR>private static $_fileFormats = Array( <BR>'jp2' => '0000000C6A502020',<br /> '3gp' => '0000002066747970', <BR>'3gp5' => '0000001866747970', <BR>'m4a' => '00000020667479704D3441', <BR>'ico' => '00000100', <BR>'spl' => '00000100', <BR>'vob' => '000001BA', <BR>'cur' => '00000200', <BR>'wb2' => '00000200', <BR>'wk1' => '0000020006040600', <BR>'wk3' => '00001A0000100400', <BR>'wk4' => '00001A0002100400', <BR>'wk5' => '00001A0002100400', <BR>'123' => '00001A00051004', <BR>'qxd' => '00004D4D585052', <BR>'mdf' => '010F0000', <BR>'tr1' => '0110', <BR>'rgb' => '01DA01010003', <BR>'drw' => '07', <BR>'dss' => '02647373', <BR>'dat' => 'A90D000000000000', <BR>'db3' => '03', <BR>'qph' => '03000000', <BR>'adx' => '80000020031204', <BR>'db4' => '04', <BR>'n' => 'FFFE0000', <BR>'a' => 'FFFE0000', <BR>'skf' => '07534B46', <BR>'dtd' => '0764743264647464', <BR>'db' => 'D0CF11E0A1B11AE1', <BR>'pcx' => '0A050101', <BR>'mp' => '0CED', <BR>'doc' => 'D0CF11E0A1B11AE1', <BR>'nri' => '0E4E65726F49534F', <BR>'wks' => 'FF00020004040554', <BR>'pf' => '1100000053434341', <BR>'ntf' => '4E49544630', <BR>'nsf' => '4E45534D1A01', <BR>'arc' => '41724301', <BR>'pak' => '5041434B', <BR>'eth' => '1A350100', <BR>'mkv' => '1A45DFA393428288', <BR>'ws' => '1D7D', <BR>'gz' => '1F8B08', <BR>'tar.z' => '1FA0', <BR>'ain' => '2112', <BR>'lib' => '213C617263683E0A', <BR>'msi' => 'D0CF11E0A1B11AE1', <BR>'vmdk' => '4B444D', <BR>'dsp' => '23204D6963726F73', <BR>'amr' => '2321414D52', <BR>'hdr' => '49536328', <BR>'sav' => '24464C3240282329', <BR>'eps' => 'C5D0D3C6', <BR>'pdf' => '25504446', <BR>'fdf' => '25504446', <BR>'hqx' => '2854686973206669', <BR>'log' => '2A2A2A2020496E73', <BR>'ivr' => '2E524543', <BR>'rm' => '2E524D46', <BR>'rmvb' => '2E524D46', <BR>'ra' => '2E7261FD00', <BR>'au' => '646E732E', <BR>'cat' => '30', <BR>'evt' => '300000004C664C65', <BR>'asf' => '3026B2758E66CF11', <BR>'wma' => '3026B2758E66CF11', <BR>'wmv' => '3026B2758E66CF11', <BR>'wri' => 'BE000000AB', <BR>'7z' => '377ABCAF271C', <BR>'psd' => '38425053', <BR>'sle' => '414376', <BR>'asx' => '3C', <BR>'xdr' => '3C', <BR>'dci' => '3C21646F63747970', <BR>'manifest' => '3C3F786D6C2076657273696F6E3D', <BR>'xml' => '3C3F786D6C2076657273696F6E3D22312E30223F3E', <BR>'msc' => 'D0CF11E0A1B11AE1', <BR>'fm' => '3C4D616B65724669', <BR>'mif' => '56657273696F6E20', <BR>'gid' => '4C4E0200', <BR>'hlp' => '4C4E0200', <BR>'dwg' => '41433130', <BR>'syw' => '414D594F', <BR>'abi' => '414F4C494E444558', <BR>'aby' => '414F4C4442', <BR>'bag' => '414F4C2046656564', <BR>'idx' => '5000000020000000', <BR>'ind' => '414F4C494458', <BR>'pfc' => '414F4C564D313030', <BR>'org' => '414F4C564D313030', <BR>'vcf' => '424547494E3A5643', <BR>'bin' => '424C4932323351', <BR>'bmp' => '424D', <BR>'dib' => '424D', <BR>'prc' => '424F4F4B4D4F4249', <BR>'bz2' => '425A68', <BR>'tar.bz2' => '425A68', <BR>'tbz2' => '425A68', <BR>'tb2' => '425A68', <BR>'rtd' => '43232B44A4434DA5', <BR>'cbd' => '434246494C45', <BR>'iso' => '4344303031', <BR>'clb' => '434F4D2B', <BR>'cpt' => '43505446494C45', <BR>'cru' => '43525553482076', <BR>'swf' => '465753', <BR>'ctf' => '436174616C6F6720', <BR>'dms' => '444D5321', <BR>'adf' => '5245564E554D3A2C', <BR>'dvr' => '445644', <BR>'ifo' => '445644', <BR>'cdr' => '52494646', <BR>'vcd' => '454E545259564344', <BR>'mdi' => '4550', <BR>'e01' => '4C5646090D0AFF00', <BR>'evtx' => '456C6646696C6500', <BR>'qbb' => '458600000600', <BR>'cpe' => '464158434F564552', <BR>'flv' => '464C56', <BR>'aiff' => '464F524D00', <BR>'eml' => '582D', <BR>'gif' => '47494638', <BR>'pat' => '47504154', <BR>'gx2' => '475832', <BR>'sh3' => '4848474231', <BR>'tif' => '4D4D002B', <BR>'tiff' => '4D4D002B', <BR>'mp3' => '494433', <BR>'koz' => '49443303000000', <BR>'crw' => '49491A0000004845', <BR>'cab' => '4D534346', <BR>'lit' => '49544F4C49544C53', <BR>'chi' => '49545346', <BR>'chm' => '49545346', <BR>'jar' => '5F27A889', <BR>'jg' => '4A47040E000000', <BR>'kgb' => '4B47425F61726368', <BR>'shd' => '68490000', <BR>'lnk' => '4C00000001140200', <BR>'obj' => '80', <BR>'pdb' => 'ACED000573720012', <BR>'mar' => '4D41723000', <BR>'dmp' => '504147454455', <BR>'hdmp' => '4D444D5093A7', <BR>'mls' => '4D563243', <BR>'mmf' => '4D4D4D440000', <BR>'nvram' => '4D52564E', <BR>'ppz' => '4D534346', <BR>'snp' => '4D534346', <BR>'tlb' => '4D53465402000100', <BR>'dvf' => '4D535F564F494345', <BR>'msv' => '4D535F564F494345', <BR>'mid' => '4D546864', <BR>'midi' => '4D546864', <BR>'dsn' => '4D56', <BR>'com' => 'EB', <BR>'dll' => '4D5A', <BR>'drv' => '4D5A', <BR>'exe' => '4D5A', <BR>'pif' => '4D5A', <BR>'qts' => '4D5A', <BR>'qtx' => '4D5A', <BR>'sys' => 'FFFFFFFF', <BR>'acm' => '4D5A', <BR>'ax' => '4D5A900003000000', <BR>'cpl' => 'DCDC', <BR>'fon' => '4D5A', <BR>'ocx' => '4D5A', <BR>'olb' => '4D5A', <BR>'scr' => '4D5A', <BR>'vbx' => '4D5A', <BR>'vxd' => '4D5A', <BR>'386' => '4D5A', <BR>'api' => '4D5A900003000000', <BR>'flt' => '76323030332E3130', <BR>'zap' => '4D5A90000300000004000000FFFF', <BR>'sln' => '4D6963726F736F66742056697375616C', <BR>'jnt' => '4E422A00', <BR>'jtp' => '4E422A00', <BR>'cod' => '4E616D653A20', <BR>'dbf' => '4F504C4461746162', <BR>'oga' => '4F67675300020000', <BR>'ogg' => '4F67675300020000', <BR>'ogv' => '4F67675300020000', <BR>'ogx' => '4F67675300020000', <BR>'dw4' => '4F7B', <BR>'pgm' => '50350A', <BR>'pax' => '504158', <BR>'pgd' => '504750644D41494E', <BR>'img' => 'EB3C902A', <BR>'zip' => '504B0304140000', <BR>'docx' => '504B030414000600', <BR>'pptx' => '504B030414000600', <BR>'xlsx' => '504B030414000600', <BR>'kwd' => '504B0304', <BR>'odt' => '504B0304', <BR>'odp' => '504B0304', <BR>'ott' => '504B0304', <BR>'sxc' => '504B0304', <BR>'sxd' => '504B0304', <BR>'sxi' => '504B0304', <BR>'sxw' => '504B0304', <BR>'wmz' => '504B0304', <BR>'xpi' => '504B0304', <BR>'xps' => '504B0304', <BR>'xpt' => '5850434F4D0A5479', <BR>'grp' => '504D4343', <BR>'qemu' => '514649', <BR>'abd' => '5157205665722E20', <BR>'qsd' => '5157205665722E20', <BR>'reg' => 'FFFE', <BR>'sud' => '52454745444954', <BR>'ani' => '52494646', <BR>'cmx' => '52494646', <BR>'ds4' => '52494646', <BR>'4xm' => '52494646', <BR>'avi' => '52494646', <BR>'cda' => '52494646', <BR>'qcp' => '52494646', <BR>'rmi' => '52494646', <BR>'wav' => '52494646', <BR>'cap' => '58435000', <BR>'rar' => '526172211A0700', <BR>'ast' => '5343486C', <BR>'shw' => '53484F57', <BR>'cpi' => 'FF464F4E54', <BR>'sit' => '5374756666497420', <BR>'sdr' => '534D415254445257', <BR>'cnv' => '53514C4F434F4E56', <BR>'cal' => 'B5A2B0B3B3B0A5B5', <BR>'info' => 'E310000100000000', <BR>'uce' => '55434558', <BR>'ufa' => '554641C6D2C1', <BR>'pch' => '564350434830', <BR>'ctl' => '56455253494F4E20', <BR>'ws2' => '575332303030', <BR>'lwp' => '576F726450726F', <BR>'bdr' => '5854', <BR>'zoo' => '5A4F4F20', <BR>'ecf' => '5B47656E6572616C', <BR>'vcw' => '5B4D535643', <BR>'dun' => '5B50686F6E655D', <BR>'sam' => '5B7665725D', <BR>'cpx' => '5B57696E646F7773', <BR>'cfg' => '5B666C7473696D2E', <BR>'cas' => '5F434153455F', <BR>'cbk' => '5F434153455F', <BR>'arj' => '60EA', <BR>'vhd' => '636F6E6563746978', <BR>'csh' => '6375736800000002', <BR>'p10' => '64000000', <BR>'dex' => '6465780A30303900', <BR>'dsw' => '64737766696C65', <BR>'flac' => '664C614300000022', <BR>'dbb' => '6C33336C', <BR>'acd' => '72696666', <BR>'ram' => '727473703A2F2F', <BR>'dmg' => '78', <BR>'lgc' => '7B0D0A6F20', <BR>'lgd' => '7B0D0A6F20', <BR>'pwi' => '7B5C707769', <BR>'rtf' => '7B5C72746631', <BR>'psp' => '7E424B00', <BR>'wab' => '9CCBCB8D1375D211', <BR>'wpf' => '81CDAB', <BR>'png' => '89504E470D0A1A0A', <BR>'aw' => '8A0109000000E108', <BR>'hap' => '91334846', <BR>'skr' => '9501', <BR>'gpg' => '99', <BR>'pkr' => '9901', <BR>'qdf' => 'AC9EBD8F0000', <BR>'pwl' => 'E3828596', <BR>'dcx' => 'B168DE3A', <BR>'tib' => 'B46E6844', <BR>'acs' => 'C3ABCDAB', <BR>'lbk' => 'C8007900', <BR>'class' => 'CAFEBABE', <BR>'dbx' => 'CFAD12FE', <BR>'dot' => 'D0CF11E0A1B11AE1', <BR>'pps' => 'D0CF11E0A1B11AE1', <BR>'ppt' => 'D0CF11E0A1B11AE1', <BR>'xla' => 'D0CF11E0A1B11AE1', <BR>'xls' => 'D0CF11E0A1B11AE1', <BR>'wiz' => 'D0CF11E0A1B11AE1', <BR>'ac_' => 'D0CF11E0A1B11AE1', <BR>'adp' => 'D0CF11E0A1B11AE1', <BR>'apr' => 'D0CF11E0A1B11AE1', <BR>'mtw' => 'D0CF11E0A1B11AE1', <BR>'opt' => 'D0CF11E0A1B11AE1', <BR>'pub' => 'D0CF11E0A1B11AE1', <BR>'rvt' => 'D0CF11E0A1B11AE1', <BR>'sou' => 'D0CF11E0A1B11AE1', <BR>'spo' => 'D0CF11E0A1B11AE1', <BR>'vsd' => 'D0CF11E0A1B11AE1', <BR>'wps' => 'D0CF11E0A1B11AE1', <BR>'ftr' => 'D20A0000', <BR>'arl' => 'D42A', <BR>'aut' => 'D42A', <BR>'wmf' => 'D7CDC69A', <BR>'efx' => 'DCFE', <BR>'one' => 'E4525C7B8CD8A74D', <BR>'rpm' => 'EDABEEDB', <BR>'gho' => 'FEEF', <BR>'ghs' => 'FEEF', <BR>'wp' => 'FF575043', <BR>'wpd' => 'FF575043', <BR>'wpg' => 'FF575043', <BR>'wpp' => 'FF575043', <BR>'wp5' => 'FF575043', <BR>'wp6' => 'FF575043', <BR>'jfif' => 'FFD8FF', <BR>'jpe' => 'FFD8FF', <BR>'jpeg' => 'FFD8FF', <BR>'jpg' => 'FFD8FF', <BR>'mof' => 'FFFE23006C006900', <BR>'ipa' => '504B03040A', <BR>); <BR>/** <BR>* 检查文件类型 <BR>* <BR>* @param string $filePath 文件路径 <BR>* @param string $fileExt 文件扩展名 <BR>* <BR>* @return boolean <BR>*/ <BR>public static function validation($filePath, $fileExt) <BR>{ <BR>// 文件格式未知 <BR>if (!isset(self::$_fileFormats[$fileExt])) <BR>{ <BR>return false; <BR>} <BR>$length = strlen(self::$_fileFormats[$fileEx<span>！本文来源gaodai#ma#com搞*!代#%^码网5</span><pre>搞gaodaima代码

t]);
$bin = self::_readFile($filePath, $length);
$fileHead = @unpack(“H{$length}”, $bin);
// 判断文件头
if (strtolower(self::$_fileFormats[$fileExt]) == $fileHead[1])
{
return true;
}
return false;
}
/**
* 读取文件内容
*
* @param string $filePath 文件路径
* @param integer $size
*
* @return string
*/
private function _readFile($filePath, $size)
{
$file = fopen($filePath, “rb”);
$bin = fread($file, $size);
fclose($file);
return $bin;
}
}
?>

调用

 <BR>require './class_filetypevalidation.php'; <BR>// 文件路径 <BR>$filePath = "D:/test.png"; <BR>$x = FileTypeValidation::validation($filePath, 'zip'); <BR>var_dump($x); <BR>

喜欢 (0)赏

[搞代码]

分享 (0)