From 7a31146918cdceef14689bf05d8f1602ec05bfcb Mon Sep 17 00:00:00 2001 From: "coadde [Márcio Alexandre Silva Delgado]" Date: Mon, 4 Jul 2016 16:01:35 -0300 Subject: remove nonfree Database support --- includes/libs/IEContentAnalyzer.php | 851 ------------------------------------ includes/libs/IEUrlExtension.php | 271 ------------ 2 files changed, 1122 deletions(-) delete mode 100644 includes/libs/IEContentAnalyzer.php delete mode 100644 includes/libs/IEUrlExtension.php (limited to 'includes/libs') diff --git a/includes/libs/IEContentAnalyzer.php b/includes/libs/IEContentAnalyzer.php deleted file mode 100644 index c31a3527..00000000 --- a/includes/libs/IEContentAnalyzer.php +++ /dev/null @@ -1,851 +0,0 @@ - array( - 'text/plain', - 'application/octet-stream', - 'application/x-netcdf', // [sic] - ), - 'text' /*3*/ => array( - 'text/richtext', 'image/x-bitmap', 'application/postscript', 'application/base64', - 'application/macbinhex40', 'application/x-cdf', 'text/scriptlet' - ), - 'binary' /*4*/ => array( - 'application/pdf', 'audio/x-aiff', 'audio/basic', 'audio/wav', 'image/gif', - 'image/pjpeg', 'image/jpeg', 'image/tiff', 'image/x-png', 'image/png', 'image/bmp', - 'image/x-jg', 'image/x-art', 'image/x-emf', 'image/x-wmf', 'video/avi', - 'video/x-msvideo', 'video/mpeg', 'application/x-compressed', - 'application/x-zip-compressed', 'application/x-gzip-compressed', 'application/java', - 'application/x-msdownload' - ), - 'html' /*5*/ => array( 'text/html' ), - ); - - /** - * Changes to the type table in later versions of IE - */ - protected $addedTypes = array( - 'ie07' => array( - 'text' => array( 'text/xml', 'application/xml' ) - ), - ); - - /** - * An approximation of the "Content Type" values in HKEY_CLASSES_ROOT in a - * typical Windows installation. - * - * Used for extension to MIME type mapping if detection fails. - */ - protected $registry = array( - '.323' => 'text/h323', - '.3g2' => 'video/3gpp2', - '.3gp' => 'video/3gpp', - '.3gp2' => 'video/3gpp2', - '.3gpp' => 'video/3gpp', - '.aac' => 'audio/aac', - '.ac3' => 'audio/ac3', - '.accda' => 'application/msaccess', - '.accdb' => 'application/msaccess', - '.accdc' => 'application/msaccess', - '.accde' => 'application/msaccess', - '.accdr' => 'application/msaccess', - '.accdt' => 'application/msaccess', - '.ade' => 'application/msaccess', - '.adp' => 'application/msaccess', - '.adts' => 'audio/aac', - '.ai' => 'application/postscript', - '.aif' => 'audio/aiff', - '.aifc' => 'audio/aiff', - '.aiff' => 'audio/aiff', - '.amc' => 'application/x-mpeg', - '.application' => 'application/x-ms-application', - '.asf' => 'video/x-ms-asf', - '.asx' => 'video/x-ms-asf', - '.au' => 'audio/basic', - '.avi' => 'video/avi', - '.bmp' => 'image/bmp', - '.caf' => 'audio/x-caf', - '.cat' => 'application/vnd.ms-pki.seccat', - '.cbo' => 'application/sha', - '.cdda' => 'audio/aiff', - '.cer' => 'application/x-x509-ca-cert', - '.conf' => 'text/plain', - '.crl' => 'application/pkix-crl', - '.crt' => 'application/x-x509-ca-cert', - '.css' => 'text/css', - '.csv' => 'application/vnd.ms-excel', - '.der' => 'application/x-x509-ca-cert', - '.dib' => 'image/bmp', - '.dif' => 'video/x-dv', - '.dll' => 'application/x-msdownload', - '.doc' => 'application/msword', - '.docm' => 'application/vnd.ms-word.document.macroEnabled.12', - '.docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', - '.dot' => 'application/msword', - '.dotm' => 'application/vnd.ms-word.template.macroEnabled.12', - '.dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template', - '.dv' => 'video/x-dv', - '.dwfx' => 'model/vnd.dwfx+xps', - '.edn' => 'application/vnd.adobe.edn', - '.eml' => 'message/rfc822', - '.eps' => 'application/postscript', - '.etd' => 'application/x-ebx', - '.exe' => 'application/x-msdownload', - '.fdf' => 'application/vnd.fdf', - '.fif' => 'application/fractals', - '.gif' => 'image/gif', - '.gsm' => 'audio/x-gsm', - '.hqx' => 'application/mac-binhex40', - '.hta' => 'application/hta', - '.htc' => 'text/x-component', - '.htm' => 'text/html', - '.html' => 'text/html', - '.htt' => 'text/webviewhtml', - '.hxa' => 'application/xml', - '.hxc' => 'application/xml', - '.hxd' => 'application/octet-stream', - '.hxe' => 'application/xml', - '.hxf' => 'application/xml', - '.hxh' => 'application/octet-stream', - '.hxi' => 'application/octet-stream', - '.hxk' => 'application/xml', - '.hxq' => 'application/octet-stream', - '.hxr' => 'application/octet-stream', - '.hxs' => 'application/octet-stream', - '.hxt' => 'application/xml', - '.hxv' => 'application/xml', - '.hxw' => 'application/octet-stream', - '.ico' => 'image/x-icon', - '.iii' => 'application/x-iphone', - '.ins' => 'application/x-internet-signup', - '.iqy' => 'text/x-ms-iqy', - '.isp' => 'application/x-internet-signup', - '.jfif' => 'image/jpeg', - '.jnlp' => 'application/x-java-jnlp-file', - '.jpe' => 'image/jpeg', - '.jpeg' => 'image/jpeg', - '.jpg' => 'image/jpeg', - '.jtx' => 'application/x-jtx+xps', - '.latex' => 'application/x-latex', - '.log' => 'text/plain', - '.m1v' => 'video/mpeg', - '.m2v' => 'video/mpeg', - '.m3u' => 'audio/x-mpegurl', - '.mac' => 'image/x-macpaint', - '.man' => 'application/x-troff-man', - '.mda' => 'application/msaccess', - '.mdb' => 'application/msaccess', - '.mde' => 'application/msaccess', - '.mfp' => 'application/x-shockwave-flash', - '.mht' => 'message/rfc822', - '.mhtml' => 'message/rfc822', - '.mid' => 'audio/mid', - '.midi' => 'audio/mid', - '.mod' => 'video/mpeg', - '.mov' => 'video/quicktime', - '.mp2' => 'video/mpeg', - '.mp2v' => 'video/mpeg', - '.mp3' => 'audio/mpeg', - '.mp4' => 'video/mp4', - '.mpa' => 'video/mpeg', - '.mpe' => 'video/mpeg', - '.mpeg' => 'video/mpeg', - '.mpf' => 'application/vnd.ms-mediapackage', - '.mpg' => 'video/mpeg', - '.mpv2' => 'video/mpeg', - '.mqv' => 'video/quicktime', - '.NMW' => 'application/nmwb', - '.nws' => 'message/rfc822', - '.odc' => 'text/x-ms-odc', - '.ols' => 'application/vnd.ms-publisher', - '.p10' => 'application/pkcs10', - '.p12' => 'application/x-pkcs12', - '.p7b' => 'application/x-pkcs7-certificates', - '.p7c' => 'application/pkcs7-mime', - '.p7m' => 'application/pkcs7-mime', - '.p7r' => 'application/x-pkcs7-certreqresp', - '.p7s' => 'application/pkcs7-signature', - '.pct' => 'image/pict', - '.pdf' => 'application/pdf', - '.pdx' => 'application/vnd.adobe.pdx', - '.pfx' => 'application/x-pkcs12', - '.pic' => 'image/pict', - '.pict' => 'image/pict', - '.pinstall' => 'application/x-picasa-detect', - '.pko' => 'application/vnd.ms-pki.pko', - '.png' => 'image/png', - '.pnt' => 'image/x-macpaint', - '.pntg' => 'image/x-macpaint', - '.pot' => 'application/vnd.ms-powerpoint', - '.potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12', - '.potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template', - '.ppa' => 'application/vnd.ms-powerpoint', - '.ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12', - '.pps' => 'application/vnd.ms-powerpoint', - '.ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12', - '.ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', - '.ppt' => 'application/vnd.ms-powerpoint', - '.pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12', - '.pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', - '.prf' => 'application/pics-rules', - '.ps' => 'application/postscript', - '.pub' => 'application/vnd.ms-publisher', - '.pwz' => 'application/vnd.ms-powerpoint', - '.py' => 'text/plain', - '.pyw' => 'text/plain', - '.qht' => 'text/x-html-insertion', - '.qhtm' => 'text/x-html-insertion', - '.qt' => 'video/quicktime', - '.qti' => 'image/x-quicktime', - '.qtif' => 'image/x-quicktime', - '.qtl' => 'application/x-quicktimeplayer', - '.rat' => 'application/rat-file', - '.rmf' => 'application/vnd.adobe.rmf', - '.rmi' => 'audio/mid', - '.rqy' => 'text/x-ms-rqy', - '.rtf' => 'application/msword', - '.sct' => 'text/scriptlet', - '.sd2' => 'audio/x-sd2', - '.sdp' => 'application/sdp', - '.shtml' => 'text/html', - '.sit' => 'application/x-stuffit', - '.sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12', - '.sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide', - '.slk' => 'application/vnd.ms-excel', - '.snd' => 'audio/basic', - '.so' => 'application/x-apachemodule', - '.sol' => 'text/plain', - '.sor' => 'text/plain', - '.spc' => 'application/x-pkcs7-certificates', - '.spl' => 'application/futuresplash', - '.sst' => 'application/vnd.ms-pki.certstore', - '.stl' => 'application/vnd.ms-pki.stl', - '.swf' => 'application/x-shockwave-flash', - '.thmx' => 'application/vnd.ms-officetheme', - '.tif' => 'image/tiff', - '.tiff' => 'image/tiff', - '.txt' => 'text/plain', - '.uls' => 'text/iuls', - '.vcf' => 'text/x-vcard', - '.vdx' => 'application/vnd.ms-visio.viewer', - '.vsd' => 'application/vnd.ms-visio.viewer', - '.vss' => 'application/vnd.ms-visio.viewer', - '.vst' => 'application/vnd.ms-visio.viewer', - '.vsx' => 'application/vnd.ms-visio.viewer', - '.vtx' => 'application/vnd.ms-visio.viewer', - '.wav' => 'audio/wav', - '.wax' => 'audio/x-ms-wax', - '.wbk' => 'application/msword', - '.wdp' => 'image/vnd.ms-photo', - '.wiz' => 'application/msword', - '.wm' => 'video/x-ms-wm', - '.wma' => 'audio/x-ms-wma', - '.wmd' => 'application/x-ms-wmd', - '.wmv' => 'video/x-ms-wmv', - '.wmx' => 'video/x-ms-wmx', - '.wmz' => 'application/x-ms-wmz', - '.wpl' => 'application/vnd.ms-wpl', - '.wsc' => 'text/scriptlet', - '.wvx' => 'video/x-ms-wvx', - '.xaml' => 'application/xaml+xml', - '.xbap' => 'application/x-ms-xbap', - '.xdp' => 'application/vnd.adobe.xdp+xml', - '.xfdf' => 'application/vnd.adobe.xfdf', - '.xht' => 'application/xhtml+xml', - '.xhtml' => 'application/xhtml+xml', - '.xla' => 'application/vnd.ms-excel', - '.xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12', - '.xlk' => 'application/vnd.ms-excel', - '.xll' => 'application/vnd.ms-excel', - '.xlm' => 'application/vnd.ms-excel', - '.xls' => 'application/vnd.ms-excel', - '.xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', - '.xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12', - '.xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', - '.xlt' => 'application/vnd.ms-excel', - '.xltm' => 'application/vnd.ms-excel.template.macroEnabled.12', - '.xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template', - '.xlw' => 'application/vnd.ms-excel', - '.xml' => 'text/xml', - '.xps' => 'application/vnd.ms-xpsdocument', - '.xsl' => 'text/xml', - ); - - /** - * IE versions which have been analysed to bring you this class, and for - * which some substantive difference exists. These will appear as keys - * in the return value of getRealMimesFromData(). The names are chosen to sort correctly. - */ - protected $versions = array( 'ie05', 'ie06', 'ie07', 'ie07.strict', 'ie07.nohtml' ); - - /** - * Type table with versions expanded - */ - protected $typeTable = array(); - - /** constructor */ - function __construct() { - // Construct versioned type arrays from the base type array plus additions - $types = $this->baseTypeTable; - foreach ( $this->versions as $version ) { - if ( isset( $this->addedTypes[$version] ) ) { - foreach ( $this->addedTypes[$version] as $format => $addedTypes ) { - $types[$format] = array_merge( $types[$format], $addedTypes ); - } - } - $this->typeTable[$version] = $types; - } - } - - /** - * Get the MIME types from getMimesFromData(), but convert the result from IE's - * idiosyncratic private types into something other apps will understand. - * - * @param string $fileName the file name (unused at present) - * @param string $chunk the first 256 bytes of the file - * @param string $proposed the MIME type proposed by the server - * - * @return Array: map of IE version to detected MIME type - */ - public function getRealMimesFromData( $fileName, $chunk, $proposed ) { - $types = $this->getMimesFromData( $fileName, $chunk, $proposed ); - $types = array_map( array( $this, 'translateMimeType' ), $types ); - return $types; - } - - /** - * Translate a MIME type from IE's idiosyncratic private types into - * more commonly understood type strings - * @param $type - * @return string - */ - public function translateMimeType( $type ) { - static $table = array( - 'image/pjpeg' => 'image/jpeg', - 'image/x-png' => 'image/png', - 'image/x-wmf' => 'application/x-msmetafile', - 'image/bmp' => 'image/x-bmp', - 'application/x-zip-compressed' => 'application/zip', - 'application/x-compressed' => 'application/x-compress', - 'application/x-gzip-compressed' => 'application/x-gzip', - 'audio/mid' => 'audio/midi', - ); - if ( isset( $table[$type] ) ) { - $type = $table[$type]; - } - return $type; - } - - /** - * Get the untranslated MIME types for all known versions - * - * @param string $fileName the file name (unused at present) - * @param string $chunk the first 256 bytes of the file - * @param string $proposed the MIME type proposed by the server - * - * @return Array: map of IE version to detected MIME type - */ - public function getMimesFromData( $fileName, $chunk, $proposed ) { - $types = array(); - foreach ( $this->versions as $version ) { - $types[$version] = $this->getMimeTypeForVersion( $version, $fileName, $chunk, $proposed ); - } - return $types; - } - - /** - * Get the MIME type for a given named version - * @param $version - * @param $fileName - * @param $chunk - * @param $proposed - * @return bool|string - */ - protected function getMimeTypeForVersion( $version, $fileName, $chunk, $proposed ) { - // Strip text after a semicolon - $semiPos = strpos( $proposed, ';' ); - if ( $semiPos !== false ) { - $proposed = substr( $proposed, 0, $semiPos ); - } - - $proposedFormat = $this->getDataFormat( $version, $proposed ); - if ( $proposedFormat == 'unknown' - && $proposed != 'multipart/mixed' - && $proposed != 'multipart/x-mixed-replace' ) - { - return $proposed; - } - if ( strval( $chunk ) === '' ) { - return $proposed; - } - - // Truncate chunk at 255 bytes - $chunk = substr( $chunk, 0, 255 ); - - // IE does the Check*Headers() calls last, and instead does the following image - // type checks by directly looking for the magic numbers. What I do here should - // have the same effect since the magic number checks are identical in both cases. - $result = $this->sampleData( $version, $chunk ); - $sampleFound = $result['found']; - $counters = $result['counters']; - $binaryType = $this->checkBinaryHeaders( $version, $chunk ); - $textType = $this->checkTextHeaders( $version, $chunk ); - - if ( $proposed == 'text/html' && isset( $sampleFound['html'] ) ) { - return 'text/html'; - } - if ( $proposed == 'image/gif' && $binaryType == 'image/gif' ) { - return 'image/gif'; - } - if ( ( $proposed == 'image/pjpeg' || $proposed == 'image/jpeg' ) - && $binaryType == 'image/pjpeg' ) - { - return $proposed; - } - // PNG check added in IE 7 - if ( $version >= 'ie07' - && ( $proposed == 'image/x-png' || $proposed == 'image/png' ) - && $binaryType == 'image/x-png' ) - { - return $proposed; - } - - // CDF was removed in IE 7 so it won't be in $sampleFound for later versions - if ( isset( $sampleFound['cdf'] ) ) { - return 'application/x-cdf'; - } - - // RSS and Atom were added in IE 7 so they won't be in $sampleFound for - // previous versions - if ( isset( $sampleFound['rss'] ) ) { - return 'application/rss+xml'; - } - if ( isset( $sampleFound['rdf-tag'] ) - && isset( $sampleFound['rdf-url'] ) - && isset( $sampleFound['rdf-purl'] ) ) - { - return 'application/rss+xml'; - } - if ( isset( $sampleFound['atom'] ) ) { - return 'application/atom+xml'; - } - - if ( isset( $sampleFound['xml'] ) ) { - // TODO: I'm not sure under what circumstances this flag is enabled - if ( strpos( $version, 'strict' ) !== false ) { - if ( $proposed == 'text/html' || $proposed == 'text/xml' ) { - return 'text/xml'; - } - } else { - return 'text/xml'; - } - } - if ( isset( $sampleFound['html'] ) ) { - // TODO: I'm not sure under what circumstances this flag is enabled - if ( strpos( $version, 'nohtml' ) !== false ) { - if ( $proposed == 'text/plain' ) { - return 'text/html'; - } - } else { - return 'text/html'; - } - } - if ( isset( $sampleFound['xbm'] ) ) { - return 'image/x-bitmap'; - } - if ( isset( $sampleFound['binhex'] ) ) { - return 'application/macbinhex40'; - } - if ( isset( $sampleFound['scriptlet'] ) ) { - if ( strpos( $version, 'strict' ) !== false ) { - if ( $proposed == 'text/plain' || $proposed == 'text/scriptlet' ) { - return 'text/scriptlet'; - } - } else { - return 'text/scriptlet'; - } - } - - // Freaky heuristics to determine if the data is text or binary - // The heuristic is of course broken for non-ASCII text - if ( $counters['ctrl'] != 0 && ( $counters['ff'] + $counters['low'] ) - < ( $counters['ctrl'] + $counters['high'] ) * 16 ) - { - $kindOfBinary = true; - $type = $binaryType ? $binaryType : $textType; - if ( $type === false ) { - $type = 'application/octet-stream'; - } - } else { - $kindOfBinary = false; - $type = $textType ? $textType : $binaryType; - if ( $type === false ) { - $type = 'text/plain'; - } - } - - // Check if the output format is ambiguous - // This generally means that detection failed, real types aren't ambiguous - $detectedFormat = $this->getDataFormat( $version, $type ); - if ( $detectedFormat != 'ambiguous' ) { - return $type; - } - - if ( $proposedFormat != 'ambiguous' ) { - // FormatAgreesWithData() - if ( $proposedFormat == 'text' && !$kindOfBinary ) { - return $proposed; - } - if ( $proposedFormat == 'binary' && $kindOfBinary ) { - return $proposed; - } - if ( $proposedFormat == 'html' ) { - return $proposed; - } - } - - // Find a MIME type by searching the registry for the file extension. - $dotPos = strrpos( $fileName, '.' ); - if ( $dotPos === false ) { - return $type; - } - $ext = substr( $fileName, $dotPos ); - if ( isset( $this->registry[$ext] ) ) { - return $this->registry[$ext]; - } - - // TODO: If the extension has an application registered to it, IE will return - // application/octet-stream. We'll skip that, so we could erroneously - // return text/plain or application/x-netcdf where application/octet-stream - // would be correct. - - return $type; - } - - /** - * Check for text headers at the start of the chunk - * Confirmed same in 5 and 7. - * @param $version - * @param $chunk - * @return bool|string - */ - private function checkTextHeaders( $version, $chunk ) { - $chunk2 = substr( $chunk, 0, 2 ); - $chunk4 = substr( $chunk, 0, 4 ); - $chunk5 = substr( $chunk, 0, 5 ); - if ( $chunk4 == '%PDF' ) { - return 'application/pdf'; - } - if ( $chunk2 == '%!' ) { - return 'application/postscript'; - } - if ( $chunk5 == '{\\rtf' ) { - return 'text/richtext'; - } - if ( $chunk5 == 'begin' ) { - return 'application/base64'; - } - return false; - } - - /** - * Check for binary headers at the start of the chunk - * Confirmed same in 5 and 7. - * @param $version - * @param $chunk - * @return bool|string - */ - private function checkBinaryHeaders( $version, $chunk ) { - $chunk2 = substr( $chunk, 0, 2 ); - $chunk3 = substr( $chunk, 0, 3 ); - $chunk4 = substr( $chunk, 0, 4 ); - $chunk5 = substr( $chunk, 0, 5 ); - $chunk5uc = strtoupper( $chunk5 ); - $chunk8 = substr( $chunk, 0, 8 ); - if ( $chunk5uc == 'GIF87' || $chunk5uc == 'GIF89' ) { - return 'image/gif'; - } - if ( $chunk2 == "\xff\xd8" ) { - return 'image/pjpeg'; // actually plain JPEG but this is what IE returns - } - - if ( $chunk2 == 'BM' - && substr( $chunk, 6, 2 ) == "\000\000" - && substr( $chunk, 8, 2 ) == "\000\000" ) - { - return 'image/bmp'; // another non-standard MIME - } - if ( $chunk4 == 'RIFF' - && substr( $chunk, 8, 4 ) == 'WAVE' ) - { - return 'audio/wav'; - } - // These were integer literals in IE - // Perhaps the author was not sure what the target endianness was - if ( $chunk4 == ".sd\000" - || $chunk4 == ".snd" - || $chunk4 == "\000ds." - || $chunk4 == "dns." ) - { - return 'audio/basic'; - } - if ( $chunk3 == "MM\000" ) { - return 'image/tiff'; - } - if ( $chunk2 == 'MZ' ) { - return 'application/x-msdownload'; - } - if ( $chunk8 == "\x89PNG\x0d\x0a\x1a\x0a" ) { - return 'image/x-png'; // [sic] - } - if ( strlen( $chunk ) >= 5 ) { - $byte2 = ord( $chunk[2] ); - $byte4 = ord( $chunk[4] ); - if ( $byte2 >= 3 && $byte2 <= 31 && $byte4 == 0 && $chunk2 == 'JG' ) { - return 'image/x-jg'; - } - } - // More endian confusion? - if ( $chunk4 == 'MROF' ) { - return 'audio/x-aiff'; - } - $chunk4_8 = substr( $chunk, 8, 4 ); - if ( $chunk4 == 'FORM' && ( $chunk4_8 == 'AIFF' || $chunk4_8 == 'AIFC' ) ) { - return 'audio/x-aiff'; - } - if ( $chunk4 == 'RIFF' && $chunk4_8 == 'AVI ' ) { - return 'video/avi'; - } - if ( $chunk4 == "\x00\x00\x01\xb3" || $chunk4 == "\x00\x00\x01\xba" ) { - return 'video/mpeg'; - } - if ( $chunk4 == "\001\000\000\000" - && substr( $chunk, 40, 4 ) == ' EMF' ) - { - return 'image/x-emf'; - } - if ( $chunk4 == "\xd7\xcd\xc6\x9a" ) { - return 'image/x-wmf'; - } - if ( $chunk4 == "\xca\xfe\xba\xbe" ) { - return 'application/java'; - } - if ( $chunk2 == 'PK' ) { - return 'application/x-zip-compressed'; - } - if ( $chunk2 == "\x1f\x9d" ) { - return 'application/x-compressed'; - } - if ( $chunk2 == "\x1f\x8b" ) { - return 'application/x-gzip-compressed'; - } - // Skip redundant check for ZIP - if ( $chunk5 == "MThd\000" ) { - return 'audio/mid'; - } - if ( $chunk4 == '%PDF' ) { - return 'application/pdf'; - } - return false; - } - - /** - * Do heuristic checks on the bulk of the data sample. - * Search for HTML tags. - * @param $version - * @param $chunk - * @return array - */ - protected function sampleData( $version, $chunk ) { - $found = array(); - $counters = array( - 'ctrl' => 0, - 'high' => 0, - 'low' => 0, - 'lf' => 0, - 'cr' => 0, - 'ff' => 0 - ); - $htmlTags = array( - 'html', - 'head', - 'title', - 'body', - 'script', - 'a href', - 'pre', - 'img', - 'plaintext', - 'table' - ); - $rdfUrl = 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'; - $rdfPurl = 'http://purl.org/rss/1.0/'; - $xbmMagic1 = '#define'; - $xbmMagic2 = '_width'; - $xbmMagic3 = '_bits'; - $binhexMagic = 'converted with BinHex'; - $chunkLength = strlen( $chunk ); - - for ( $offset = 0; $offset < $chunkLength; $offset++ ) { - $curChar = $chunk[$offset]; - if ( $curChar == "\x0a" ) { - $counters['lf']++; - continue; - } elseif ( $curChar == "\x0d" ) { - $counters['cr']++; - continue; - } elseif ( $curChar == "\x0c" ) { - $counters['ff']++; - continue; - } elseif ( $curChar == "\t" ) { - $counters['low']++; - continue; - } elseif ( ord( $curChar ) < 32 ) { - $counters['ctrl']++; - continue; - } elseif ( ord( $curChar ) >= 128 ) { - $counters['high']++; - continue; - } - - $counters['low']++; - if ( $curChar == '<' ) { - // XML - $remainder = substr( $chunk, $offset + 1 ); - if ( !strncasecmp( $remainder, '?XML', 4 ) ) { - $nextChar = substr( $chunk, $offset + 5, 1 ); - if ( $nextChar == ':' || $nextChar == ' ' || $nextChar == "\t" ) { - $found['xml'] = true; - } - } - // Scriptlet (JSP) - if ( !strncasecmp( $remainder, 'SCRIPTLET', 9 ) ) { - $found['scriptlet'] = true; - break; - } - // HTML - foreach ( $htmlTags as $tag ) { - if ( !strncasecmp( $remainder, $tag, strlen( $tag ) ) ) { - $found['html'] = true; - } - } - // Skip broken check for additional tags (HR etc.) - - // CHANNEL replaced by RSS, RDF and FEED in IE 7 - if ( $version < 'ie07' ) { - if ( !strncasecmp( $remainder, 'CHANNEL', 7 ) ) { - $found['cdf'] = true; - } - } else { - // RSS - if ( !strncasecmp( $remainder, 'RSS', 3 ) ) { - $found['rss'] = true; - break; // return from SampleData - } - if ( !strncasecmp( $remainder, 'rdf:RDF', 7 ) ) { - $found['rdf-tag'] = true; - // no break - } - if ( !strncasecmp( $remainder, 'FEED', 4 ) ) { - $found['atom'] = true; - break; - } - } - continue; - } - // Skip broken check for --> - - // RSS URL checks - // For some reason both URLs must appear before it is recognised - $remainder = substr( $chunk, $offset ); - if ( !strncasecmp( $remainder, $rdfUrl, strlen( $rdfUrl ) ) ) { - $found['rdf-url'] = true; - if ( isset( $found['rdf-tag'] ) - && isset( $found['rdf-purl'] ) ) // [sic] - { - break; - } - continue; - } - - if ( !strncasecmp( $remainder, $rdfPurl, strlen( $rdfPurl ) ) ) { - if ( isset( $found['rdf-tag'] ) - && isset( $found['rdf-url'] ) ) // [sic] - { - break; - } - continue; - } - - // XBM checks - if ( !strncasecmp( $remainder, $xbmMagic1, strlen( $xbmMagic1 ) ) ) { - $found['xbm1'] = true; - continue; - } - if ( $curChar == '_' ) { - if ( isset( $found['xbm2'] ) ) { - if ( !strncasecmp( $remainder, $xbmMagic3, strlen( $xbmMagic3 ) ) ) { - $found['xbm'] = true; - break; - } - } elseif ( isset( $found['xbm1'] ) ) { - if ( !strncasecmp( $remainder, $xbmMagic2, strlen( $xbmMagic2 ) ) ) { - $found['xbm2'] = true; - } - } - } - - // BinHex - if ( !strncmp( $remainder, $binhexMagic, strlen( $binhexMagic ) ) ) { - $found['binhex'] = true; - } - } - return array( 'found' => $found, 'counters' => $counters ); - } - - /** - * @param $version - * @param $type - * @return int|string - */ - protected function getDataFormat( $version, $type ) { - $types = $this->typeTable[$version]; - if ( $type == '(null)' || strval( $type ) === '' ) { - return 'ambiguous'; - } - foreach ( $types as $format => $list ) { - if ( in_array( $type, $list ) ) { - return $format; - } - } - return 'unknown'; - } -} diff --git a/includes/libs/IEUrlExtension.php b/includes/libs/IEUrlExtension.php deleted file mode 100644 index 49d05d4b..00000000 --- a/includes/libs/IEUrlExtension.php +++ /dev/null @@ -1,271 +0,0 @@ -\"/:|?.# - * - if we find a possible extension followed by the end of the string or - * a #, that's our extension - * - if we find a possible extension followed by a ?, that's our extension - * - UNLESS it's exe, dll or cgi, in which case we ignore it and continue - * searching for another possible extension - * - if we find a possible extension followed by a dot or another illegal - * character, we ignore it and continue searching - * - * @param string $url URL - * @return mixed Detected extension (string), or false if none found - */ - public static function findIE6Extension( $url ) { - $pos = 0; - $hashPos = strpos( $url, '#' ); - if ( $hashPos !== false ) { - $urlLength = $hashPos; - } else { - $urlLength = strlen( $url ); - } - $remainingLength = $urlLength; - while ( $remainingLength > 0 ) { - // Skip ahead to the next dot - $pos += strcspn( $url, '.', $pos, $remainingLength ); - if ( $pos >= $urlLength ) { - // End of string, we're done - return false; - } - - // We found a dot. Skip past it - $pos++; - $remainingLength = $urlLength - $pos; - - // Check for illegal characters in our prospective extension, - // or for another dot - $nextPos = $pos + strcspn( $url, "<>\\\"/:|?*.", $pos, $remainingLength ); - if ( $nextPos >= $urlLength ) { - // No illegal character or next dot - // We have our extension - return substr( $url, $pos, $urlLength - $pos ); - } - if ( $url[$nextPos] === '?' ) { - // We've found a legal extension followed by a question mark - // If the extension is NOT exe, dll or cgi, return it - $extension = substr( $url, $pos, $nextPos - $pos ); - if ( strcasecmp( $extension, 'exe' ) && strcasecmp( $extension, 'dll' ) && - strcasecmp( $extension, 'cgi' ) ) - { - return $extension; - } - // Else continue looking - } - // We found an illegal character or another dot - // Skip to that character and continue the loop - $pos = $nextPos; - $remainingLength = $urlLength - $pos; - } - return false; - } - - /** - * When passed the value of $_SERVER['SERVER_SOFTWARE'], this function - * returns true if that server is known to have a REQUEST_URI variable - * with %2E not decoded to ".". On such a server, it is possible to detect - * whether the script filename has been obscured. - * - * The function returns false if the server is not known to have this - * behavior. Microsoft IIS in particular is known to decode escaped script - * filenames. - * - * SERVER_SOFTWARE typically contains either a plain string such as "Zeus", - * or a specification in the style of a User-Agent header, such as - * "Apache/1.3.34 (Unix) mod_ssl/2.8.25 OpenSSL/0.9.8a PHP/4.4.2" - * - * @param $serverSoftware - * @return bool - * - */ - public static function haveUndecodedRequestUri( $serverSoftware ) { - static $whitelist = array( - 'Apache', - 'Zeus', - 'LiteSpeed' ); - if ( preg_match( '/^(.*?)($|\/| )/', $serverSoftware, $m ) ) { - return in_array( $m[1], $whitelist ); - } else { - return false; - } - } - -} -- cgit v1.2.3-54-g00ecf