Php verifies the file type code based on the file header

Php verifies the file type code based on the file header

/** * Document type * * @ Author Silver * By bbs.it-home.org */ Class FileTypeValidation { // File type, different header information Private static $ _ fileFormats = Array ( 'Jp2' => '0000000c6a502020 ', '3gp '=> '123 ', & Apos; 3gp5 & apos; = & apos; 0000001866747970 & apos ', 'M4a '=> '00000020667479704d3441 ', 'Ico '=> '123 ', 'Spl' => '123 ', 'Vob' => '0001ba ', & Apos; cur & apos; = & apos; 00000200 & apos ', 'Wb2' => '123 ', 'Wk1 '=> '123 ', 'Wk3' => '20171a0000100400 ', 'Wk4 '=> '20171a0002100400 ', 'Wk5 '=> '20171a0002100400 ', '20140901' => '20171a00051004 ', 'Qxd '=> '20174d4d585052 ', 'Mdf '=> '010f0000 ', 'Tr1' => '123 ', 'Rgb '=> '01da01010003 ', 'Drw' => '07 ', 'Dss '=> '123 ', 'Dat '=> 'a90d000000000000 ', 'Db3' => '03 ', 'Qph' => '123 ', 'Adx' => '123 ', 'Db4' => '04 ', 'N' => 'fffe000000 ', 'A' => 'fffe000000 ', 'Skf '=> '07534b46 ', 'Dtd '=> '123 ', 'DB' => 'd0cf11e0a1b11ae1 ', 'Pcx' => '0a050101 ', 'MP' => '0ced ', 'Doc' => 'd0cf11e0a1b11ae1 ', 'Nri' => '0e4e65108f49534f ', 'Wk' => 'ff00020004040554 ', 'Pf '=> '123 ', 'Ntf' => '4e49544630 ', 'NSF '=> '4e45534d1a01 ', 'Arc' => '123 ', 'Pak '=> '5041434b ', 'Eth '=> '1a350100 ', 'Mkv '=> '1a45dfa393428288 ', 'Ws '=> '1d7d ', 'Gz '=> '1f8b08 ', 'Tar. Z' => '1fa0 ', 'Ain '=> '123 ', 'Lib' => 'Export c617264243e0a ', 'Msi '=> 'd0cf11e0a1b11ae1 ', 'Vmdk' => '4b444d ', 'Dsps '=> '23204d6963726f73 ', 'Amr' => '2321414d52 ', & Apos; hdr & apos; = & apos; 49536328 & apos ', 'Sav' => '24464c3240282329 ', 'Eps '=> 'c5d0d3c6 ', 'PDF '=> '123 ', 'Fdf '=> '123 ', 'Hqx' => '123 ', 'Log' => '2a2a2a2020496e73 ', 'Ivr' => '2e524543 ', 'Rm '=> '2e524d46 ', 'Rmvb '=> '2e524d46 ', 'A' => '2e00001fd00 ', 'Au '=> '646e732e ', 'Cat' => '30 ', 'Evt' => '300000004c664c65 ', 'Asf' => '3026b2758e66cf11 ', 'Wma' => '3026b2758e66cf11 ', 'Wmv '=> '3026b2758e66cf11 ', 'Wri' => 'bedomain00ab ', '7z' => '377abcaf271c ', 'Psd '=> '123 ', 'Sync' => '123 ', 'Asx' => '3C ', 'Xdr '=> '3C ', 'Dci' => '3c21646f63747970 ', 'Manifest '=> '3c3f786d6c2076657272136f6e3d ', 'Xml' => '3c3f786d6c2076657272136f6e3d22312e30223f3e ', 'Msc '=> 'd0cf11e0a1b11ae1 ', 'FM '=> '3c4d616b65724669 ', 'If' => '56657272136f6e20 ', 'Gid' => '4c4e0200 ', 'Hlp '=> '4c4e0200 ', 'Dwg '=> '123 ', 'Syw' => '414d594f ', 'Abi '=> '414f4c494e444558 ', 'Aby' => '414f4c4442 ', 'Bag' => '414f4c2046656564 ', 'Idx' => '123 ', 'IND '=> '414f4c494458 ', 'Pfc '=> '414f4c564d313030 ', 'Org '=> '414f4c564d313030 ', 'Vcf '=> '2017547494e3a5643 ', 'Bin' => 'Export c4932323351 ', 'Bmp '=> 'mongod ', 'Dib' => 'did ', 'Prc' => '0000f4f4b4d4f00009 ', 'Bz2' => '2017a68 ', 'Tar.bz2 '=> '2017a68 ', 'Tbz2' => '0000a68 ', 'Tb2' => '2017a68 ', 'Rtd' => '43232b44a4434da5 ', 'CBD '=> '434246494c45 ', 'ISO '=> '123 ', 'Clb' => '434f4d2b ', 'Cpt' => '43505446494c45 ', 'Cru' => '000000 ', 'Swf '=> '123 ', 'Ctf' => '436174616c6f6720 ', 'DMs' => '444d5321 ', 'Adf' => '5245564e554d3a2c ', 'DVR' => '123 ', 'Ifo' => '123 ', 'Cdrs '=> '123 ', 'Vcd' => '454e545259564344 ', 'Mdi '=> '123 ', 'E01' => '4c5646090d0aff00 ', 'Evtx '=> '456c6646696c6500 ', 'Qbb' => '123 ', 'Cpe '=> '464158434f564552 ', 'Flv' => '464c56 ', 'Aiff '=> '464f524d00 ', 'Yml' => '582d ', 'Gif' => '123 ', 'Pat '=> '123 ', 'Gx2 '=> '123 ', 'Sh3' => '123 ', 'Tif '=> '4d4d002b ', 'Tiff '=> '4d4d002b ', 'Mp3' => '123 ', 'Koz' => '123 ', 'Crw' => '49491a0000004845 ', 'Cab '=> '4d534346 ', 'Command' => '49544f4c49544c53 ', 'Chi '=> '123 ', 'Chm' => '123 ', 'Jar' => '5f27a889 ', 'JG' => '4a47040e000000 ', 'K' => '4b47213f61726368 ', 'Shd' => '123 ', 'Lnk '=> '4c00000001140200 ', 'Obj '=> '80 ', 'Pdb' => 'aced000573720012 ', 'Mar '=> '4d000023000 ', 'Dmp '=> '123 ', 'Hdmp' => '4d444d5093a7 ', 'Mls' => '4d563243 ', 'Mmf' => '4d4d4d440000 ', 'Nvram' => '4d52564e ', 'Ppz' => '4d534346 ', 'SNP '=> '4d534346 ', 'Tlb' => '4d53465402000100 ', 'Dvf' => '4d535f564f494345 ', 'Msv' => '4d535f564f494345 ', 'Mid '=> '4d546864 ', 'Midi '=> '4d546864 ', 'Dsn '=> '4d56 ', 'Com '=> 'EB ', 'Dll '=> '4d5a ', 'Drv' => '4d5a ', 'Exe '=> '4d5a ', 'Pif' => '4d5a ', 'Qts' => '4d5a ', 'Qtx '=> '4d5a ', 'Sys '=> 'ffffffff ', 'ACM '=> '4d5a ', 'Ax '=> '4d5a900003000000 ', 'Cpl' => 'dcdc ', 'Fon' => '4d5a ', 'Ocx' => '4d5a ', 'Olb' => '4d5a ', 'Scr '=> '4d5a ', 'Vbx' => '4d5a ', 'Vxd' => '4d5a ', '000000' => '4d5a ', 'Api' => '4d5a900003000000 ', 'Flt' => '76323030332e3130 ', 'Zap '=> '4d5a90000300000004000000ffff ', 'Sln' => '4d6963726f736f66742056697375616c ', 'Jnt '=> '4e422a00 ', 'Jtp '=> '4e422a00 ', 'Cod '=> '4e616d653a20 ', 'Dbf' => '4f504c4461746162 ', 'Oga' => '4f67675300020000 ', 'Ogy' => '4f67675300020000 ', 'Ogv' => '4f67675300020000 ', 'Ogx' => '4f67675300020000 ', 'Dw4' => '4f7b ', 'Pgm '=> '50350a ', 'Pax' => '123 ', 'Pgd '=> '504750644d41494e ', 'IMG '=> 'eb3c902a ', 'Zip' => '504b0304140000 ', 'Docx' => '504b030414000600 ', 'Ppt' => '504b030414000600 ', 'Xlsx' => '504b030414000600 ', 'Kwd '=> '504b0304 ', 'Odt' => '504b0304 ', 'Odp' => '504b0304 ', 'Ott '=> '504b0304 ', 'Sxc '=> '504b0304 ', 'Sxd '=> '504b0304 ', 'Ssi' => '504b0304 ', 'Sxw' => '504b0304 ', 'Wmz' => '504b0304 ', 'Xpi '=> '504b0304 ', 'Xps '=> '504b0304 ', 'Xpt' => '5850434f4d0a5479 ', 'Grp '=> '504d4343 ', 'Qemu' => '123 ', 'Abd' => '5157205665722e20 ', 'Qsd' => '5157205665722e20 ', 'Reg '=> 'fffe ', 'Sud' => '123 ', 'Ani '=> '123 ', 'Cmx' => '20140901 ', 'Ds4' => '123 ', '4xm '=> '123 ', 'Av' => '123 ', 'Cda' => '123 ', 'Qcp' => '123 ', 'Rummi' => '123 ', 'Wav '=> '123 ', 'Cap' => '123 ', 'Rar '=> '526172211a0700 ', 'Ast '=> '5343486c ', 'Shw' => '53484f57 ', 'CPI '=> 'ff464f4e54 ', 'Sit '=> '123 ', 'Sdr '=> '534d2017254445257 ', 'Fcn' => '53514c4f434f4e56 ', 'Cal '=> 'b5a2b0b3b0a5b5 ', 'Info' => 'e31000000000000 ', 'Uce '=> '123 ', 'Ufa '=> '554641c6d2c1 ', 'Pch' => '123 ', 'Ctl '=> '56455253494f4e20 ', 'Ws2 '=> '123 ', 'Lwp '=> '576f000000000000f ', 'Bdr '=> '123 ', 'Zoo' => '5a4f4f20 ', 'Ecf' => '5b47656e6538516c ', 'Vcw' => '5b4d535643 ', 'Dun' => '5b50686f6e655d ', 'Sam '=> '5b7665725d ', 'Cpx' => '5b57696e646f7773 ', 'Cfg '=> '5b666c7471_6d2e ', 'Cas '=> '5f434153455f ', 'Cbk' => '5f434153455f ', 'Arj' => '60ea ', 'Vhd '=> '636f6e6563746978 ', 'CSH' => '123 ', 'P10' => '123 ', 'Dex '=> '6465780a30303900 ', 'Dsw' => '64737766696c65 ', 'Flac '=> '664c614300000022 ', 'Dbb' => '6c33336c ', 'ACD' => '123 ', 'Ram' => '727473703a2f2f ', 'Dmg '=> '78 ', 'Lgc '=> '7b0d0a8f20 ', 'Lgd '=> '7b0d0a6f20 ', 'Pwi '=> '7b5c707769 ', 'Rtf '=> '7b5c72746631 ', 'PSP '=> '7e0000b00 ', 'Wab' => '9ccbcb8d1375d211 ', 'Wpf '=> '81cdab ', 'PNG '=> '89504e470d0a1a0a ', 'Aw' => '8a01090020.e108 ', 'Ha' => '123 ', 'Skr' => '123 ', 'Gpg' => '99 ', 'Pkr' => '123 ', 'Qdf '=> 'ac9ebd8f0000 ', 'Pwl' => 'e3828596 ', 'Dcx' => 'b168de3a ', 'Tid' => 'b46e6844 ', 'Acs' => 'c3abcdab ', 'Lbk '=> 'c8007900 ', 'Class' => 'cafebabe ', 'Dbx' => 'cfad12fe ', 'Dot '=> 'd0cf11e0a1b11ae1 ', 'Pps '=> 'd0cf11e0a1b11ae1 ', 'Ppt '=> 'd0cf11e0a1b11ae1 ', 'Xla '=> 'd0cf11e0a1b11ae1 ', 'XLS '=> 'd0cf11e0a1b11ae1 ', 'Wiz' => 'd0cf11e0a1b11ae1 ', 'AC _ '=> 'd0cf11e0a1b11ae1 ', 'Adp '=> 'd0cf11e0a1b11ae1 ', 'Apr' => 'd0cf11e0a1b11ae1 ', 'Mtw' => 'd0cf11e0a1b11ae1 ', 'Opt' => 'd0cf11e0a1b11ae1 ', 'Pub' => 'd0cf11e0a1b11ae1 ', 'Rdv' => 'd0cf11e0a1b11ae1 ', 'Sou' => 'd0cf11e0a1b11ae1 ', 'SPO' => 'd0cf11e0a1b11ae1 ', 'Password' => 'd0cf11e0a1b11ae1 ', 'Wps' => 'd0cf11e0a1b11ae1 ', 'Ftr' => 'd20a0000 ', 'Arl' => 'd42a ', 'Aut' => 'd42a ', 'WMF '=> 'd7csc69a ', 'Efx' => 'dcfe ', 'One' => 'e4525c7b8cd8a74d ', 'RP' => 'edabeedb ', 'Gho' => 'feef ', 'Ghs' => 'feef ', 'WP '=> 'ff575043 ', 'Wpd '=> 'ff575043 ', 'Wpg '=> 'ff575043 ', 'WPP '=> 'ff575043 ', 'Wp5 '=> 'ff575043 ', 'Wp6 '=> 'ff575043 ', 'Jfif' => 'ffd8ff ', 'Jpe '=> 'ffd8ff ', 'Jpeg '=> 'ffd8ff ', 'Jpg '=> 'ffd8ff ', 'Mof' => 'fffe23006c006900 ', 'Ipa '=> '504b03040a ', ); /** * Check the file type * * @ Param string $ filePath file path * @ Param string $ fileExt file extension * * @ Return boolean */ Public static function validation ($ filePath, $ fileExt) { // Unknown file format If (! Isset (self ::$ _ fileFormats [$ fileExt]) { Return false; } $ Length = strlen (self: $ _ fileFormats [$ fileExt]); $ Bin = self: _ readFile ($ filePath, $ length ); $ FileHead = @ unpack ("H {$ length}", $ bin ); // Determine the file header If (strtolower (self: $ _ fileFormats [$ fileExt]) = $ fileHead [1]) { Return true; } Return false; } /** * Reading file content * * @ Param string $ filePath file path * @ Param integer $ size * * @ Return string */ Private function _ readFile ($ filePath, $ size) { $ File = fopen ($ filePath, "rb "); $ Bin = fread ($ file, $ size ); Fclose ($ file ); Return $ bin; } } ?> Call example: Require './class_filetypevalidation.php '; // File path $ FilePath = "D:/test.png "; $ X = FileTypeValidation: validation ($ filePath, 'Zip '); Var_dump ($ x ); ?>