function GetMIMEtype($filename) { // include getID3() library (can be in a different directory if full path is specified) require_once '../getid3/getid3.php'; // Initialize getID3 engine $getID3 = new getID3(); $DeterminedMIMEtype = ''; if ($fp = fopen($filename, 'rb')) { $ThisFileInfo = array('avdataoffset' => 0, 'avdataend' => 0); getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.id3v2.php', __FILE__, true); $tag = new getid3_id3v2($fp, $ThisFileInfo); fseek($fp, $ThisFileInfo['avdataoffset'], SEEK_SET); $formattest = fread($fp, 16); // 16 bytes is sufficient for any format except ISO CD-image fclose($fp); $DeterminedFormatInfo = $getID3->GetFileFormat($formattest); $DeterminedMIMEtype = $DeterminedFormatInfo['mime_type']; } return $DeterminedMIMEtype; }
function GetMIMEtype($filename) { $filename = realpath($filename); if (!file_exists($filename)) { echo 'File does not exist: "' . htmlentities($filename) . '"<br>'; return ''; } elseif (!is_readable($filename)) { echo 'File is not readable: "' . htmlentities($filename) . '"<br>'; return ''; } // include getID3() library (can be in a different directory if full path is specified) require_once '../getid3/getid3.php'; // Initialize getID3 engine $getID3 = new getID3(); $DeterminedMIMEtype = ''; if ($fp = fopen($filename, 'rb')) { $getID3->openfile($filename); if (empty($getID3->info['error'])) { // ID3v2 is the only tag format that might be prepended in front of files, and it's non-trivial to skip, easier just to parse it and know where to skip to getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.id3v2.php', __FILE__, true); $getid3_id3v2 = new getid3_id3v2($getID3); $getid3_id3v2->Analyze(); fseek($fp, $getID3->info['avdataoffset'], SEEK_SET); $formattest = fread($fp, 16); // 16 bytes is sufficient for any format except ISO CD-image fclose($fp); $DeterminedFormatInfo = $getID3->GetFileFormat($formattest); $DeterminedMIMEtype = $DeterminedFormatInfo['mime_type']; } else { echo 'Failed to getID3->openfile "' . htmlentities($filename) . '"<br>'; } } else { echo 'Failed to fopen "' . htmlentities($filename) . '"<br>'; } return $DeterminedMIMEtype; }
function read_gzip($fd, &$ThisFileInfo) { $start_length = 10; $unpack_header = 'a1id1/a1id2/a1cmethod/a1flags/a4mtime/a1xflags/a1os'; //+---+---+---+---+---+---+---+---+---+---+ //|ID1|ID2|CM |FLG| MTIME |XFL|OS | //+---+---+---+---+---+---+---+---+---+---+ @fseek($fd, 0); $buffer = @fread($fd, $ThisFileInfo['filesize']); $arr_members = explode("‹", $buffer); while (true) { $is_wrong_members = false; $num_members = intval(count($arr_members)); for ($i = 0; $i < $num_members; $i++) { if (strlen($arr_members[$i]) == 0) { continue; } $buf = "‹" . $arr_members[$i]; $attr = unpack($unpack_header, substr($buf, 0, $start_length)); if (!$this->get_os_type(ord($attr['os']))) { // Merge member with previous if wrong OS type $arr_members[$i - 1] .= $buf; $arr_members[$i] = ''; $is_wrong_members = true; continue; } } if (!$is_wrong_members) { break; } } $ThisFileInfo['gzip']['files'] = array(); $fpointer = 0; $idx = 0; for ($i = 0; $i < $num_members; $i++) { if (strlen($arr_members[$i]) == 0) { continue; } $thisThisFileInfo =& $ThisFileInfo['gzip']['member_header'][++$idx]; $buff = "‹" . $arr_members[$i]; $attr = unpack($unpack_header, substr($buff, 0, $start_length)); $thisThisFileInfo['filemtime'] = getid3_lib::LittleEndian2Int($attr['mtime']); $thisThisFileInfo['raw']['id1'] = ord($attr['cmethod']); $thisThisFileInfo['raw']['id2'] = ord($attr['cmethod']); $thisThisFileInfo['raw']['cmethod'] = ord($attr['cmethod']); $thisThisFileInfo['raw']['os'] = ord($attr['os']); $thisThisFileInfo['raw']['xflags'] = ord($attr['xflags']); $thisThisFileInfo['raw']['flags'] = ord($attr['flags']); $thisThisFileInfo['flags']['crc16'] = (bool) ($thisThisFileInfo['raw']['flags'] & 0x2); $thisThisFileInfo['flags']['extra'] = (bool) ($thisThisFileInfo['raw']['flags'] & 0x4); $thisThisFileInfo['flags']['filename'] = (bool) ($thisThisFileInfo['raw']['flags'] & 0x8); $thisThisFileInfo['flags']['comment'] = (bool) ($thisThisFileInfo['raw']['flags'] & 0x10); $thisThisFileInfo['compression'] = $this->get_xflag_type($thisThisFileInfo['raw']['xflags']); $thisThisFileInfo['os'] = $this->get_os_type($thisThisFileInfo['raw']['os']); if (!$thisThisFileInfo['os']) { $ThisFileInfo['error'][] = 'Read error on gzip file'; return false; } $fpointer = 10; $arr_xsubfield = array(); // bit 2 - FLG.FEXTRA //+---+---+=================================+ //| XLEN |...XLEN bytes of "extra field"...| //+---+---+=================================+ if ($thisThisFileInfo['flags']['extra']) { $w_xlen = substr($buff, $fpointer, 2); $xlen = getid3_lib::LittleEndian2Int($w_xlen); $fpointer += 2; $thisThisFileInfo['raw']['xfield'] = substr($buff, $fpointer, $xlen); // Extra SubFields //+---+---+---+---+==================================+ //|SI1|SI2| LEN |... LEN bytes of subfield data ...| //+---+---+---+---+==================================+ $idx = 0; while (true) { if ($idx >= $xlen) { break; } $si1 = ord(substr($buff, $fpointer + $idx++, 1)); $si2 = ord(substr($buff, $fpointer + $idx++, 1)); if ($si1 == 0x41 && $si2 == 0x70) { $w_xsublen = substr($buff, $fpointer + $idx, 2); $xsublen = getid3_lib::LittleEndian2Int($w_xsublen); $idx += 2; $arr_xsubfield[] = substr($buff, $fpointer + $idx, $xsublen); $idx += $xsublen; } else { break; } } $fpointer += $xlen; } // bit 3 - FLG.FNAME //+=========================================+ //|...original file name, zero-terminated...| //+=========================================+ // GZIP files may have only one file, with no filename, so assume original filename is current filename without .gz $thisThisFileInfo['filename'] = preg_replace('{.gz$}i', '', $ThisFileInfo['filename']); if ($thisThisFileInfo['flags']['filename']) { while (true) { if (ord($buff[$fpointer]) == 0) { $fpointer++; break; } $thisThisFileInfo['filename'] .= $buff[$fpointer]; $fpointer++; } } // bit 4 - FLG.FCOMMENT //+===================================+ //|...file comment, zero-terminated...| //+===================================+ if ($thisThisFileInfo['flags']['comment']) { while (true) { if (ord($buff[$fpointer]) == 0) { $fpointer++; break; } $thisThisFileInfo['comment'] .= $buff[$fpointer]; $fpointer++; } } // bit 1 - FLG.FHCRC //+---+---+ //| CRC16 | //+---+---+ if ($thisThisFileInfo['flags']['crc16']) { $w_crc = substr($buff, $fpointer, 2); $thisThisFileInfo['crc16'] = getid3_lib::LittleEndian2Int($w_crc); $fpointer += 2; } // bit 0 - FLG.FTEXT //if ($thisThisFileInfo['raw']['flags'] & 0x01) { // Ignored... //} // bits 5, 6, 7 - reserved $thisThisFileInfo['crc32'] = getid3_lib::LittleEndian2Int(substr($buff, strlen($buff) - 8, 4)); $thisThisFileInfo['filesize'] = getid3_lib::LittleEndian2Int(substr($buff, strlen($buff) - 4)); $ThisFileInfo['gzip']['files'] = getid3_lib::array_merge_clobber($ThisFileInfo['gzip']['files'], getid3_lib::CreateDeepArray($thisThisFileInfo['filename'], '/', $thisThisFileInfo['filesize'])); if ($this->option_gzip_parse_contents) { // Try to inflate GZip $csize = 0; $inflated = ''; $chkcrc32 = ''; if (function_exists('gzinflate')) { $cdata = substr($buff, $fpointer); $cdata = substr($cdata, 0, strlen($cdata) - 8); $csize = strlen($cdata); $inflated = gzinflate($cdata); // Calculate CRC32 for inflated content $thisThisFileInfo['crc32_valid'] = (bool) (sprintf('%u', crc32($inflated)) == $thisThisFileInfo['crc32']); // determine format $formattest = substr($inflated, 0, 32774); $newgetID3 = new getID3(); $determined_format = $newgetID3->GetFileFormat($formattest); unset($newgetID3); // file format is determined switch (@$determined_format['module']) { case 'tar': // view TAR-file info if (file_exists(GETID3_INCLUDEPATH . $determined_format['include']) && @(include_once GETID3_INCLUDEPATH . $determined_format['include'])) { getid3_tar::read_tar($inflated, $ThisFileInfo['gzip']['member_header'][$idx]); } break; case '': default: // unknown or unhandled format break; } } } } return true; }
/** * * @access public * @return **/ public function getID3Mime() { $mime = NULL; $filename = realpath($this->file_src_pathname); if (!file_exists($filename)) { $this->error = 'File does not exist: "' . htmlentities($filename); return false; } elseif (!is_readable($filename)) { $this->error = 'File is not readable: "' . htmlentities($filename); return false; } require_once CAT_PATH . '/modules/lib_getid3/getid3/getid3.php'; $getID3 = new getID3(); if ($fp = fopen($filename, 'rb')) { $getID3->openfile($filename); if (empty($getID3->info['error'])) { // ID3v2 is the only tag format that might be prepended in front of files, and it's non-trivial to skip, easier just to parse it and know where to skip to getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.id3v2.php', __FILE__, true); $getid3_id3v2 = new getid3_id3v2($getID3); $getid3_id3v2->Analyze(); fseek($fp, $getID3->info['avdataoffset'], SEEK_SET); $formattest = fread($fp, 16); // 16 bytes is sufficient for any format except ISO CD-image fclose($fp); $DeterminedFormatInfo = $getID3->GetFileFormat($formattest); $mime = $DeterminedFormatInfo['mime_type']; } else { $this->error = 'Failed to getID3->openfile "' . htmlentities($filename); } } else { $this->error = 'Failed to fopen "' . htmlentities($filename); } $this->log()->logDebug('MIME type detected as [' . $mime . '] by getID3 library'); return $mime; }
public function mime_getid3($path) { $determined_mime_type = false; if (file_exists(MODPATH . 'getid3/getid3/getid3.php')) { // include getID3() library (can be in a different directory if full path is specified) require_once MODPATH . 'getid3/getid3/getid3.php'; // Initialize getID3 engine $get_id3 = new getID3(); if ($fp = fopen($path, 'rb')) { $this_file_info = array('avdataoffset' => 0, 'avdataend' => 0); getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.id3v2.php', __FILE__, true); $tag = new getid3_id3v2($fp, $this_file_info); fseek($fp, $this_file_info['avdataoffset'], SEEK_SET); $formattest = fread($fp, 16); // 16 bytes is sufficient for any format except ISO CD-image fclose($fp); $determined_format_info = $get_id3->GetFileFormat($formattest); $determined_mime_type = ($mime = $determined_format_info['mime_type']) ? $mime : FALSE; } } return $determined_mime_type; }
/** * Get file mime type * * @param string $filename The file name * * @return string The MIME type */ public function getMime($filename) { require_once SRPATH_LIBRARY . '/media/getid3/getid3.php'; // Initialize getID3 engine $getID3 = new getID3(); $determinedMimeType = ''; if ($fp = fopen($filename, 'rb')) { $thisFileInfo = array('avdataoffset' => 0, 'avdataend' => 0); getid3_lib::IncludeDependency(SRPATH_LIBRARY . '/media/getid3/module.tag.id3v2.php', __FILE__, true); $tag = new getid3_id3v2($fp, $thisFileInfo); fseek($fp, $thisFileInfo['avdataoffset'], SEEK_SET); $formattest = fread($fp, 16); // 16 bytes is sufficient for any format except ISO CD-image fclose($fp); $determinedFormatInfo = $getID3->GetFileFormat($formattest); $determinedMimeType = $determinedFormatInfo['mime_type']; } return $determinedMimeType; }