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-rw-r--r--srcs/wordpress/wp-includes/ID3/getid3.lib.php1781
1 files changed, 0 insertions, 1781 deletions
diff --git a/srcs/wordpress/wp-includes/ID3/getid3.lib.php b/srcs/wordpress/wp-includes/ID3/getid3.lib.php
deleted file mode 100644
index 1d51e8c..0000000
--- a/srcs/wordpress/wp-includes/ID3/getid3.lib.php
+++ /dev/null
@@ -1,1781 +0,0 @@
-<?php
-
-/////////////////////////////////////////////////////////////////
-/// getID3() by James Heinrich <info@getid3.org> //
-// available at https://github.com/JamesHeinrich/getID3 //
-// or https://www.getid3.org //
-// or http://getid3.sourceforge.net //
-// //
-// getid3.lib.php - part of getID3() //
-// see readme.txt for more details //
-// ///
-/////////////////////////////////////////////////////////////////
-
-
-class getid3_lib
-{
- /**
- * @param string $string
- * @param bool $hex
- * @param bool $spaces
- * @param string $htmlencoding
- *
- * @return string
- */
- public static function PrintHexBytes($string, $hex=true, $spaces=true, $htmlencoding='UTF-8') {
- $returnstring = '';
- for ($i = 0; $i < strlen($string); $i++) {
- if ($hex) {
- $returnstring .= str_pad(dechex(ord($string[$i])), 2, '0', STR_PAD_LEFT);
- } else {
- $returnstring .= ' '.(preg_match("#[\x20-\x7E]#", $string[$i]) ? $string[$i] : '¤');
- }
- if ($spaces) {
- $returnstring .= ' ';
- }
- }
- if (!empty($htmlencoding)) {
- if ($htmlencoding === true) {
- $htmlencoding = 'UTF-8'; // prior to getID3 v1.9.0 the function's 4th parameter was boolean
- }
- $returnstring = htmlentities($returnstring, ENT_QUOTES, $htmlencoding);
- }
- return $returnstring;
- }
-
- /**
- * Truncates a floating-point number at the decimal point.
- *
- * @param float $floatnumber
- *
- * @return float|int returns int (if possible, otherwise float)
- */
- public static function trunc($floatnumber) {
- if ($floatnumber >= 1) {
- $truncatednumber = floor($floatnumber);
- } elseif ($floatnumber <= -1) {
- $truncatednumber = ceil($floatnumber);
- } else {
- $truncatednumber = 0;
- }
- if (self::intValueSupported($truncatednumber)) {
- $truncatednumber = (int) $truncatednumber;
- }
- return $truncatednumber;
- }
-
- /**
- * @param int|null $variable
- * @param int $increment
- *
- * @return bool
- */
- public static function safe_inc(&$variable, $increment=1) {
- if (isset($variable)) {
- $variable += $increment;
- } else {
- $variable = $increment;
- }
- return true;
- }
-
- /**
- * @param int|float $floatnum
- *
- * @return int|float
- */
- public static function CastAsInt($floatnum) {
- // convert to float if not already
- $floatnum = (float) $floatnum;
-
- // convert a float to type int, only if possible
- if (self::trunc($floatnum) == $floatnum) {
- // it's not floating point
- if (self::intValueSupported($floatnum)) {
- // it's within int range
- $floatnum = (int) $floatnum;
- }
- }
- return $floatnum;
- }
-
- /**
- * @param int $num
- *
- * @return bool
- */
- public static function intValueSupported($num) {
- // check if integers are 64-bit
- static $hasINT64 = null;
- if ($hasINT64 === null) { // 10x faster than is_null()
- $hasINT64 = is_int(pow(2, 31)); // 32-bit int are limited to (2^31)-1
- if (!$hasINT64 && !defined('PHP_INT_MIN')) {
- define('PHP_INT_MIN', ~PHP_INT_MAX);
- }
- }
- // if integers are 64-bit - no other check required
- if ($hasINT64 || (($num <= PHP_INT_MAX) && ($num >= PHP_INT_MIN))) {
- return true;
- }
- return false;
- }
-
- /**
- * @param string $fraction
- *
- * @return float
- */
- public static function DecimalizeFraction($fraction) {
- list($numerator, $denominator) = explode('/', $fraction);
- return $numerator / ($denominator ? $denominator : 1);
- }
-
- /**
- * @param string $binarynumerator
- *
- * @return float
- */
- public static function DecimalBinary2Float($binarynumerator) {
- $numerator = self::Bin2Dec($binarynumerator);
- $denominator = self::Bin2Dec('1'.str_repeat('0', strlen($binarynumerator)));
- return ($numerator / $denominator);
- }
-
- /**
- * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html
- *
- * @param string $binarypointnumber
- * @param int $maxbits
- *
- * @return array
- */
- public static function NormalizeBinaryPoint($binarypointnumber, $maxbits=52) {
- if (strpos($binarypointnumber, '.') === false) {
- $binarypointnumber = '0.'.$binarypointnumber;
- } elseif ($binarypointnumber[0] == '.') {
- $binarypointnumber = '0'.$binarypointnumber;
- }
- $exponent = 0;
- while (($binarypointnumber[0] != '1') || (substr($binarypointnumber, 1, 1) != '.')) {
- if (substr($binarypointnumber, 1, 1) == '.') {
- $exponent--;
- $binarypointnumber = substr($binarypointnumber, 2, 1).'.'.substr($binarypointnumber, 3);
- } else {
- $pointpos = strpos($binarypointnumber, '.');
- $exponent += ($pointpos - 1);
- $binarypointnumber = str_replace('.', '', $binarypointnumber);
- $binarypointnumber = $binarypointnumber[0].'.'.substr($binarypointnumber, 1);
- }
- }
- $binarypointnumber = str_pad(substr($binarypointnumber, 0, $maxbits + 2), $maxbits + 2, '0', STR_PAD_RIGHT);
- return array('normalized'=>$binarypointnumber, 'exponent'=>(int) $exponent);
- }
-
- /**
- * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/binary.html
- *
- * @param float $floatvalue
- *
- * @return string
- */
- public static function Float2BinaryDecimal($floatvalue) {
- $maxbits = 128; // to how many bits of precision should the calculations be taken?
- $intpart = self::trunc($floatvalue);
- $floatpart = abs($floatvalue - $intpart);
- $pointbitstring = '';
- while (($floatpart != 0) && (strlen($pointbitstring) < $maxbits)) {
- $floatpart *= 2;
- $pointbitstring .= (string) self::trunc($floatpart);
- $floatpart -= self::trunc($floatpart);
- }
- $binarypointnumber = decbin($intpart).'.'.$pointbitstring;
- return $binarypointnumber;
- }
-
- /**
- * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee-expl.html
- *
- * @param float $floatvalue
- * @param int $bits
- *
- * @return string|false
- */
- public static function Float2String($floatvalue, $bits) {
- $exponentbits = 0;
- $fractionbits = 0;
- switch ($bits) {
- case 32:
- $exponentbits = 8;
- $fractionbits = 23;
- break;
-
- case 64:
- $exponentbits = 11;
- $fractionbits = 52;
- break;
-
- default:
- return false;
- break;
- }
- if ($floatvalue >= 0) {
- $signbit = '0';
- } else {
- $signbit = '1';
- }
- $normalizedbinary = self::NormalizeBinaryPoint(self::Float2BinaryDecimal($floatvalue), $fractionbits);
- $biasedexponent = pow(2, $exponentbits - 1) - 1 + $normalizedbinary['exponent']; // (127 or 1023) +/- exponent
- $exponentbitstring = str_pad(decbin($biasedexponent), $exponentbits, '0', STR_PAD_LEFT);
- $fractionbitstring = str_pad(substr($normalizedbinary['normalized'], 2), $fractionbits, '0', STR_PAD_RIGHT);
-
- return self::BigEndian2String(self::Bin2Dec($signbit.$exponentbitstring.$fractionbitstring), $bits % 8, false);
- }
-
- /**
- * @param string $byteword
- *
- * @return float|false
- */
- public static function LittleEndian2Float($byteword) {
- return self::BigEndian2Float(strrev($byteword));
- }
-
- /**
- * ANSI/IEEE Standard 754-1985, Standard for Binary Floating Point Arithmetic
- *
- * @link http://www.psc.edu/general/software/packages/ieee/ieee.html
- * @link http://www.scri.fsu.edu/~jac/MAD3401/Backgrnd/ieee.html
- *
- * @param string $byteword
- *
- * @return float|false
- */
- public static function BigEndian2Float($byteword) {
- $bitword = self::BigEndian2Bin($byteword);
- if (!$bitword) {
- return 0;
- }
- $signbit = $bitword[0];
- $floatvalue = 0;
- $exponentbits = 0;
- $fractionbits = 0;
-
- switch (strlen($byteword) * 8) {
- case 32:
- $exponentbits = 8;
- $fractionbits = 23;
- break;
-
- case 64:
- $exponentbits = 11;
- $fractionbits = 52;
- break;
-
- case 80:
- // 80-bit Apple SANE format
- // http://www.mactech.com/articles/mactech/Vol.06/06.01/SANENormalized/
- $exponentstring = substr($bitword, 1, 15);
- $isnormalized = intval($bitword[16]);
- $fractionstring = substr($bitword, 17, 63);
- $exponent = pow(2, self::Bin2Dec($exponentstring) - 16383);
- $fraction = $isnormalized + self::DecimalBinary2Float($fractionstring);
- $floatvalue = $exponent * $fraction;
- if ($signbit == '1') {
- $floatvalue *= -1;
- }
- return $floatvalue;
- break;
-
- default:
- return false;
- break;
- }
- $exponentstring = substr($bitword, 1, $exponentbits);
- $fractionstring = substr($bitword, $exponentbits + 1, $fractionbits);
- $exponent = self::Bin2Dec($exponentstring);
- $fraction = self::Bin2Dec($fractionstring);
-
- if (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction != 0)) {
- // Not a Number
- $floatvalue = false;
- } elseif (($exponent == (pow(2, $exponentbits) - 1)) && ($fraction == 0)) {
- if ($signbit == '1') {
- $floatvalue = '-infinity';
- } else {
- $floatvalue = '+infinity';
- }
- } elseif (($exponent == 0) && ($fraction == 0)) {
- if ($signbit == '1') {
- $floatvalue = -0;
- } else {
- $floatvalue = 0;
- }
- $floatvalue = ($signbit ? 0 : -0);
- } elseif (($exponent == 0) && ($fraction != 0)) {
- // These are 'unnormalized' values
- $floatvalue = pow(2, (-1 * (pow(2, $exponentbits - 1) - 2))) * self::DecimalBinary2Float($fractionstring);
- if ($signbit == '1') {
- $floatvalue *= -1;
- }
- } elseif ($exponent != 0) {
- $floatvalue = pow(2, ($exponent - (pow(2, $exponentbits - 1) - 1))) * (1 + self::DecimalBinary2Float($fractionstring));
- if ($signbit == '1') {
- $floatvalue *= -1;
- }
- }
- return (float) $floatvalue;
- }
-
- /**
- * @param string $byteword
- * @param bool $synchsafe
- * @param bool $signed
- *
- * @return int|float|false
- * @throws Exception
- */
- public static function BigEndian2Int($byteword, $synchsafe=false, $signed=false) {
- $intvalue = 0;
- $bytewordlen = strlen($byteword);
- if ($bytewordlen == 0) {
- return false;
- }
- for ($i = 0; $i < $bytewordlen; $i++) {
- if ($synchsafe) { // disregard MSB, effectively 7-bit bytes
- //$intvalue = $intvalue | (ord($byteword{$i}) & 0x7F) << (($bytewordlen - 1 - $i) * 7); // faster, but runs into problems past 2^31 on 32-bit systems
- $intvalue += (ord($byteword[$i]) & 0x7F) * pow(2, ($bytewordlen - 1 - $i) * 7);
- } else {
- $intvalue += ord($byteword[$i]) * pow(256, ($bytewordlen - 1 - $i));
- }
- }
- if ($signed && !$synchsafe) {
- // synchsafe ints are not allowed to be signed
- if ($bytewordlen <= PHP_INT_SIZE) {
- $signMaskBit = 0x80 << (8 * ($bytewordlen - 1));
- if ($intvalue & $signMaskBit) {
- $intvalue = 0 - ($intvalue & ($signMaskBit - 1));
- }
- } else {
- throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits ('.strlen($byteword).') in self::BigEndian2Int()');
- }
- }
- return self::CastAsInt($intvalue);
- }
-
- /**
- * @param string $byteword
- * @param bool $signed
- *
- * @return int|float|false
- */
- public static function LittleEndian2Int($byteword, $signed=false) {
- return self::BigEndian2Int(strrev($byteword), false, $signed);
- }
-
- /**
- * @param string $byteword
- *
- * @return string
- */
- public static function LittleEndian2Bin($byteword) {
- return self::BigEndian2Bin(strrev($byteword));
- }
-
- /**
- * @param string $byteword
- *
- * @return string
- */
- public static function BigEndian2Bin($byteword) {
- $binvalue = '';
- $bytewordlen = strlen($byteword);
- for ($i = 0; $i < $bytewordlen; $i++) {
- $binvalue .= str_pad(decbin(ord($byteword[$i])), 8, '0', STR_PAD_LEFT);
- }
- return $binvalue;
- }
-
- /**
- * @param int $number
- * @param int $minbytes
- * @param bool $synchsafe
- * @param bool $signed
- *
- * @return string
- * @throws Exception
- */
- public static function BigEndian2String($number, $minbytes=1, $synchsafe=false, $signed=false) {
- if ($number < 0) {
- throw new Exception('ERROR: self::BigEndian2String() does not support negative numbers');
- }
- $maskbyte = (($synchsafe || $signed) ? 0x7F : 0xFF);
- $intstring = '';
- if ($signed) {
- if ($minbytes > PHP_INT_SIZE) {
- throw new Exception('ERROR: Cannot have signed integers larger than '.(8 * PHP_INT_SIZE).'-bits in self::BigEndian2String()');
- }
- $number = $number & (0x80 << (8 * ($minbytes - 1)));
- }
- while ($number != 0) {
- $quotient = ($number / ($maskbyte + 1));
- $intstring = chr(ceil(($quotient - floor($quotient)) * $maskbyte)).$intstring;
- $number = floor($quotient);
- }
- return str_pad($intstring, $minbytes, "\x00", STR_PAD_LEFT);
- }
-
- /**
- * @param int $number
- *
- * @return string
- */
- public static function Dec2Bin($number) {
- while ($number >= 256) {
- $bytes[] = (($number / 256) - (floor($number / 256))) * 256;
- $number = floor($number / 256);
- }
- $bytes[] = $number;
- $binstring = '';
- for ($i = 0; $i < count($bytes); $i++) {
- $binstring = (($i == count($bytes) - 1) ? decbin($bytes[$i]) : str_pad(decbin($bytes[$i]), 8, '0', STR_PAD_LEFT)).$binstring;
- }
- return $binstring;
- }
-
- /**
- * @param string $binstring
- * @param bool $signed
- *
- * @return int|float
- */
- public static function Bin2Dec($binstring, $signed=false) {
- $signmult = 1;
- if ($signed) {
- if ($binstring[0] == '1') {
- $signmult = -1;
- }
- $binstring = substr($binstring, 1);
- }
- $decvalue = 0;
- for ($i = 0; $i < strlen($binstring); $i++) {
- $decvalue += ((int) substr($binstring, strlen($binstring) - $i - 1, 1)) * pow(2, $i);
- }
- return self::CastAsInt($decvalue * $signmult);
- }
-
- /**
- * @param string $binstring
- *
- * @return string
- */
- public static function Bin2String($binstring) {
- // return 'hi' for input of '0110100001101001'
- $string = '';
- $binstringreversed = strrev($binstring);
- for ($i = 0; $i < strlen($binstringreversed); $i += 8) {
- $string = chr(self::Bin2Dec(strrev(substr($binstringreversed, $i, 8)))).$string;
- }
- return $string;
- }
-
- /**
- * @param int $number
- * @param int $minbytes
- * @param bool $synchsafe
- *
- * @return string
- */
- public static function LittleEndian2String($number, $minbytes=1, $synchsafe=false) {
- $intstring = '';
- while ($number > 0) {
- if ($synchsafe) {
- $intstring = $intstring.chr($number & 127);
- $number >>= 7;
- } else {
- $intstring = $intstring.chr($number & 255);
- $number >>= 8;
- }
- }
- return str_pad($intstring, $minbytes, "\x00", STR_PAD_RIGHT);
- }
-
- /**
- * @param array $array1
- * @param array $array2
- *
- * @return array|false
- */
- public static function array_merge_clobber($array1, $array2) {
- // written by kcØhireability*com
- // taken from http://www.php.net/manual/en/function.array-merge-recursive.php
- if (!is_array($array1) || !is_array($array2)) {
- return false;
- }
- $newarray = $array1;
- foreach ($array2 as $key => $val) {
- if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) {
- $newarray[$key] = self::array_merge_clobber($newarray[$key], $val);
- } else {
- $newarray[$key] = $val;
- }
- }
- return $newarray;
- }
-
- /**
- * @param array $array1
- * @param array $array2
- *
- * @return array|false
- */
- public static function array_merge_noclobber($array1, $array2) {
- if (!is_array($array1) || !is_array($array2)) {
- return false;
- }
- $newarray = $array1;
- foreach ($array2 as $key => $val) {
- if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) {
- $newarray[$key] = self::array_merge_noclobber($newarray[$key], $val);
- } elseif (!isset($newarray[$key])) {
- $newarray[$key] = $val;
- }
- }
- return $newarray;
- }
-
- /**
- * @param array $array1
- * @param array $array2
- *
- * @return array|false|null
- */
- public static function flipped_array_merge_noclobber($array1, $array2) {
- if (!is_array($array1) || !is_array($array2)) {
- return false;
- }
- # naturally, this only works non-recursively
- $newarray = array_flip($array1);
- foreach (array_flip($array2) as $key => $val) {
- if (!isset($newarray[$key])) {
- $newarray[$key] = count($newarray);
- }
- }
- return array_flip($newarray);
- }
-
- /**
- * @param array $theArray
- *
- * @return bool
- */
- public static function ksort_recursive(&$theArray) {
- ksort($theArray);
- foreach ($theArray as $key => $value) {
- if (is_array($value)) {
- self::ksort_recursive($theArray[$key]);
- }
- }
- return true;
- }
-
- /**
- * @param string $filename
- * @param int $numextensions
- *
- * @return string
- */
- public static function fileextension($filename, $numextensions=1) {
- if (strstr($filename, '.')) {
- $reversedfilename = strrev($filename);
- $offset = 0;
- for ($i = 0; $i < $numextensions; $i++) {
- $offset = strpos($reversedfilename, '.', $offset + 1);
- if ($offset === false) {
- return '';
- }
- }
- return strrev(substr($reversedfilename, 0, $offset));
- }
- return '';
- }
-
- /**
- * @param int $seconds
- *
- * @return string
- */
- public static function PlaytimeString($seconds) {
- $sign = (($seconds < 0) ? '-' : '');
- $seconds = round(abs($seconds));
- $H = (int) floor( $seconds / 3600);
- $M = (int) floor(($seconds - (3600 * $H) ) / 60);
- $S = (int) round( $seconds - (3600 * $H) - (60 * $M) );
- return $sign.($H ? $H.':' : '').($H ? str_pad($M, 2, '0', STR_PAD_LEFT) : intval($M)).':'.str_pad($S, 2, 0, STR_PAD_LEFT);
- }
-
- /**
- * @param int $macdate
- *
- * @return int|float
- */
- public static function DateMac2Unix($macdate) {
- // Macintosh timestamp: seconds since 00:00h January 1, 1904
- // UNIX timestamp: seconds since 00:00h January 1, 1970
- return self::CastAsInt($macdate - 2082844800);
- }
-
- /**
- * @param string $rawdata
- *
- * @return float
- */
- public static function FixedPoint8_8($rawdata) {
- return self::BigEndian2Int(substr($rawdata, 0, 1)) + (float) (self::BigEndian2Int(substr($rawdata, 1, 1)) / pow(2, 8));
- }
-
- /**
- * @param string $rawdata
- *
- * @return float
- */
- public static function FixedPoint16_16($rawdata) {
- return self::BigEndian2Int(substr($rawdata, 0, 2)) + (float) (self::BigEndian2Int(substr($rawdata, 2, 2)) / pow(2, 16));
- }
-
- /**
- * @param string $rawdata
- *
- * @return float
- */
- public static function FixedPoint2_30($rawdata) {
- $binarystring = self::BigEndian2Bin($rawdata);
- return self::Bin2Dec(substr($binarystring, 0, 2)) + (float) (self::Bin2Dec(substr($binarystring, 2, 30)) / pow(2, 30));
- }
-
-
- /**
- * @param string $ArrayPath
- * @param string $Separator
- * @param mixed $Value
- *
- * @return array
- */
- public static function CreateDeepArray($ArrayPath, $Separator, $Value) {
- // assigns $Value to a nested array path:
- // $foo = self::CreateDeepArray('/path/to/my', '/', 'file.txt')
- // is the same as:
- // $foo = array('path'=>array('to'=>'array('my'=>array('file.txt'))));
- // or
- // $foo['path']['to']['my'] = 'file.txt';
- $ArrayPath = ltrim($ArrayPath, $Separator);
- if (($pos = strpos($ArrayPath, $Separator)) !== false) {
- $ReturnedArray[substr($ArrayPath, 0, $pos)] = self::CreateDeepArray(substr($ArrayPath, $pos + 1), $Separator, $Value);
- } else {
- $ReturnedArray[$ArrayPath] = $Value;
- }
- return $ReturnedArray;
- }
-
- /**
- * @param array $arraydata
- * @param bool $returnkey
- *
- * @return int|false
- */
- public static function array_max($arraydata, $returnkey=false) {
- $maxvalue = false;
- $maxkey = false;
- foreach ($arraydata as $key => $value) {
- if (!is_array($value)) {
- if ($value > $maxvalue) {
- $maxvalue = $value;
- $maxkey = $key;
- }
- }
- }
- return ($returnkey ? $maxkey : $maxvalue);
- }
-
- /**
- * @param array $arraydata
- * @param bool $returnkey
- *
- * @return int|false
- */
- public static function array_min($arraydata, $returnkey=false) {
- $minvalue = false;
- $minkey = false;
- foreach ($arraydata as $key => $value) {
- if (!is_array($value)) {
- if ($value > $minvalue) {
- $minvalue = $value;
- $minkey = $key;
- }
- }
- }
- return ($returnkey ? $minkey : $minvalue);
- }
-
- /**
- * @param string $XMLstring
- *
- * @return array|false
- */
- public static function XML2array($XMLstring) {
- if (function_exists('simplexml_load_string') && function_exists('libxml_disable_entity_loader')) {
- // http://websec.io/2012/08/27/Preventing-XEE-in-PHP.html
- // https://core.trac.wordpress.org/changeset/29378
- $loader = libxml_disable_entity_loader(true);
- $XMLobject = simplexml_load_string($XMLstring, 'SimpleXMLElement', LIBXML_NOENT);
- $return = self::SimpleXMLelement2array($XMLobject);
- libxml_disable_entity_loader($loader);
- return $return;
- }
- return false;
- }
-
- /**
- * @param SimpleXMLElement|array $XMLobject
- *
- * @return array
- */
- public static function SimpleXMLelement2array($XMLobject) {
- if (!is_object($XMLobject) && !is_array($XMLobject)) {
- return $XMLobject;
- }
- $XMLarray = $XMLobject instanceof SimpleXMLElement ? get_object_vars($XMLobject) : $XMLobject;
- foreach ($XMLarray as $key => $value) {
- $XMLarray[$key] = self::SimpleXMLelement2array($value);
- }
- return $XMLarray;
- }
-
- /**
- * Returns checksum for a file from starting position to absolute end position.
- *
- * @param string $file
- * @param int $offset
- * @param int $end
- * @param string $algorithm
- *
- * @return string|false
- * @throws getid3_exception
- */
- public static function hash_data($file, $offset, $end, $algorithm) {
- if (!self::intValueSupported($end)) {
- return false;
- }
- if (!in_array($algorithm, array('md5', 'sha1'))) {
- throw new getid3_exception('Invalid algorithm ('.$algorithm.') in self::hash_data()');
- }
-
- $size = $end - $offset;
-
- $fp = fopen($file, 'rb');
- fseek($fp, $offset);
- $ctx = hash_init($algorithm);
- while ($size > 0) {
- $buffer = fread($fp, min($size, getID3::FREAD_BUFFER_SIZE));
- hash_update($ctx, $buffer);
- $size -= getID3::FREAD_BUFFER_SIZE;
- }
- $hash = hash_final($ctx);
- fclose($fp);
-
- return $hash;
- }
-
- /**
- * @param string $filename_source
- * @param string $filename_dest
- * @param int $offset
- * @param int $length
- *
- * @return bool
- * @throws Exception
- *
- * @deprecated Unused, may be removed in future versions of getID3
- */
- public static function CopyFileParts($filename_source, $filename_dest, $offset, $length) {
- if (!self::intValueSupported($offset + $length)) {
- throw new Exception('cannot copy file portion, it extends beyond the '.round(PHP_INT_MAX / 1073741824).'GB limit');
- }
- if (is_readable($filename_source) && is_file($filename_source) && ($fp_src = fopen($filename_source, 'rb'))) {
- if (($fp_dest = fopen($filename_dest, 'wb'))) {
- if (fseek($fp_src, $offset) == 0) {
- $byteslefttowrite = $length;
- while (($byteslefttowrite > 0) && ($buffer = fread($fp_src, min($byteslefttowrite, getID3::FREAD_BUFFER_SIZE)))) {
- $byteswritten = fwrite($fp_dest, $buffer, $byteslefttowrite);
- $byteslefttowrite -= $byteswritten;
- }
- fclose($fp_dest);
- return true;
- } else {
- fclose($fp_src);
- throw new Exception('failed to seek to offset '.$offset.' in '.$filename_source);
- }
- } else {
- throw new Exception('failed to create file for writing '.$filename_dest);
- }
- } else {
- throw new Exception('failed to open file for reading '.$filename_source);
- }
- }
-
- /**
- * @param int $charval
- *
- * @return string
- */
- public static function iconv_fallback_int_utf8($charval) {
- if ($charval < 128) {
- // 0bbbbbbb
- $newcharstring = chr($charval);
- } elseif ($charval < 2048) {
- // 110bbbbb 10bbbbbb
- $newcharstring = chr(($charval >> 6) | 0xC0);
- $newcharstring .= chr(($charval & 0x3F) | 0x80);
- } elseif ($charval < 65536) {
- // 1110bbbb 10bbbbbb 10bbbbbb
- $newcharstring = chr(($charval >> 12) | 0xE0);
- $newcharstring .= chr(($charval >> 6) | 0xC0);
- $newcharstring .= chr(($charval & 0x3F) | 0x80);
- } else {
- // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
- $newcharstring = chr(($charval >> 18) | 0xF0);
- $newcharstring .= chr(($charval >> 12) | 0xC0);
- $newcharstring .= chr(($charval >> 6) | 0xC0);
- $newcharstring .= chr(($charval & 0x3F) | 0x80);
- }
- return $newcharstring;
- }
-
- /**
- * ISO-8859-1 => UTF-8
- *
- * @param string $string
- * @param bool $bom
- *
- * @return string
- */
- public static function iconv_fallback_iso88591_utf8($string, $bom=false) {
- if (function_exists('utf8_encode')) {
- return utf8_encode($string);
- }
- // utf8_encode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support)
- $newcharstring = '';
- if ($bom) {
- $newcharstring .= "\xEF\xBB\xBF";
- }
- for ($i = 0; $i < strlen($string); $i++) {
- $charval = ord($string[$i]);
- $newcharstring .= self::iconv_fallback_int_utf8($charval);
- }
- return $newcharstring;
- }
-
- /**
- * ISO-8859-1 => UTF-16BE
- *
- * @param string $string
- * @param bool $bom
- *
- * @return string
- */
- public static function iconv_fallback_iso88591_utf16be($string, $bom=false) {
- $newcharstring = '';
- if ($bom) {
- $newcharstring .= "\xFE\xFF";
- }
- for ($i = 0; $i < strlen($string); $i++) {
- $newcharstring .= "\x00".$string[$i];
- }
- return $newcharstring;
- }
-
- /**
- * ISO-8859-1 => UTF-16LE
- *
- * @param string $string
- * @param bool $bom
- *
- * @return string
- */
- public static function iconv_fallback_iso88591_utf16le($string, $bom=false) {
- $newcharstring = '';
- if ($bom) {
- $newcharstring .= "\xFF\xFE";
- }
- for ($i = 0; $i < strlen($string); $i++) {
- $newcharstring .= $string[$i]."\x00";
- }
- return $newcharstring;
- }
-
- /**
- * ISO-8859-1 => UTF-16LE (BOM)
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_iso88591_utf16($string) {
- return self::iconv_fallback_iso88591_utf16le($string, true);
- }
-
- /**
- * UTF-8 => ISO-8859-1
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf8_iso88591($string) {
- if (function_exists('utf8_decode')) {
- return utf8_decode($string);
- }
- // utf8_decode() unavailable, use getID3()'s iconv_fallback() conversions (possibly PHP is compiled without XML support)
- $newcharstring = '';
- $offset = 0;
- $stringlength = strlen($string);
- while ($offset < $stringlength) {
- if ((ord($string[$offset]) | 0x07) == 0xF7) {
- // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x07) << 18) &
- ((ord($string[($offset + 1)]) & 0x3F) << 12) &
- ((ord($string[($offset + 2)]) & 0x3F) << 6) &
- (ord($string[($offset + 3)]) & 0x3F);
- $offset += 4;
- } elseif ((ord($string[$offset]) | 0x0F) == 0xEF) {
- // 1110bbbb 10bbbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x0F) << 12) &
- ((ord($string[($offset + 1)]) & 0x3F) << 6) &
- (ord($string[($offset + 2)]) & 0x3F);
- $offset += 3;
- } elseif ((ord($string[$offset]) | 0x1F) == 0xDF) {
- // 110bbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x1F) << 6) &
- (ord($string[($offset + 1)]) & 0x3F);
- $offset += 2;
- } elseif ((ord($string[$offset]) | 0x7F) == 0x7F) {
- // 0bbbbbbb
- $charval = ord($string[$offset]);
- $offset += 1;
- } else {
- // error? throw some kind of warning here?
- $charval = false;
- $offset += 1;
- }
- if ($charval !== false) {
- $newcharstring .= (($charval < 256) ? chr($charval) : '?');
- }
- }
- return $newcharstring;
- }
-
- /**
- * UTF-8 => UTF-16BE
- *
- * @param string $string
- * @param bool $bom
- *
- * @return string
- */
- public static function iconv_fallback_utf8_utf16be($string, $bom=false) {
- $newcharstring = '';
- if ($bom) {
- $newcharstring .= "\xFE\xFF";
- }
- $offset = 0;
- $stringlength = strlen($string);
- while ($offset < $stringlength) {
- if ((ord($string[$offset]) | 0x07) == 0xF7) {
- // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x07) << 18) &
- ((ord($string[($offset + 1)]) & 0x3F) << 12) &
- ((ord($string[($offset + 2)]) & 0x3F) << 6) &
- (ord($string[($offset + 3)]) & 0x3F);
- $offset += 4;
- } elseif ((ord($string[$offset]) | 0x0F) == 0xEF) {
- // 1110bbbb 10bbbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x0F) << 12) &
- ((ord($string[($offset + 1)]) & 0x3F) << 6) &
- (ord($string[($offset + 2)]) & 0x3F);
- $offset += 3;
- } elseif ((ord($string[$offset]) | 0x1F) == 0xDF) {
- // 110bbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x1F) << 6) &
- (ord($string[($offset + 1)]) & 0x3F);
- $offset += 2;
- } elseif ((ord($string[$offset]) | 0x7F) == 0x7F) {
- // 0bbbbbbb
- $charval = ord($string[$offset]);
- $offset += 1;
- } else {
- // error? throw some kind of warning here?
- $charval = false;
- $offset += 1;
- }
- if ($charval !== false) {
- $newcharstring .= (($charval < 65536) ? self::BigEndian2String($charval, 2) : "\x00".'?');
- }
- }
- return $newcharstring;
- }
-
- /**
- * UTF-8 => UTF-16LE
- *
- * @param string $string
- * @param bool $bom
- *
- * @return string
- */
- public static function iconv_fallback_utf8_utf16le($string, $bom=false) {
- $newcharstring = '';
- if ($bom) {
- $newcharstring .= "\xFF\xFE";
- }
- $offset = 0;
- $stringlength = strlen($string);
- while ($offset < $stringlength) {
- if ((ord($string[$offset]) | 0x07) == 0xF7) {
- // 11110bbb 10bbbbbb 10bbbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x07) << 18) &
- ((ord($string[($offset + 1)]) & 0x3F) << 12) &
- ((ord($string[($offset + 2)]) & 0x3F) << 6) &
- (ord($string[($offset + 3)]) & 0x3F);
- $offset += 4;
- } elseif ((ord($string[$offset]) | 0x0F) == 0xEF) {
- // 1110bbbb 10bbbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x0F) << 12) &
- ((ord($string[($offset + 1)]) & 0x3F) << 6) &
- (ord($string[($offset + 2)]) & 0x3F);
- $offset += 3;
- } elseif ((ord($string[$offset]) | 0x1F) == 0xDF) {
- // 110bbbbb 10bbbbbb
- $charval = ((ord($string[($offset + 0)]) & 0x1F) << 6) &
- (ord($string[($offset + 1)]) & 0x3F);
- $offset += 2;
- } elseif ((ord($string[$offset]) | 0x7F) == 0x7F) {
- // 0bbbbbbb
- $charval = ord($string[$offset]);
- $offset += 1;
- } else {
- // error? maybe throw some warning here?
- $charval = false;
- $offset += 1;
- }
- if ($charval !== false) {
- $newcharstring .= (($charval < 65536) ? self::LittleEndian2String($charval, 2) : '?'."\x00");
- }
- }
- return $newcharstring;
- }
-
- /**
- * UTF-8 => UTF-16LE (BOM)
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf8_utf16($string) {
- return self::iconv_fallback_utf8_utf16le($string, true);
- }
-
- /**
- * UTF-16BE => UTF-8
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf16be_utf8($string) {
- if (substr($string, 0, 2) == "\xFE\xFF") {
- // strip BOM
- $string = substr($string, 2);
- }
- $newcharstring = '';
- for ($i = 0; $i < strlen($string); $i += 2) {
- $charval = self::BigEndian2Int(substr($string, $i, 2));
- $newcharstring .= self::iconv_fallback_int_utf8($charval);
- }
- return $newcharstring;
- }
-
- /**
- * UTF-16LE => UTF-8
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf16le_utf8($string) {
- if (substr($string, 0, 2) == "\xFF\xFE") {
- // strip BOM
- $string = substr($string, 2);
- }
- $newcharstring = '';
- for ($i = 0; $i < strlen($string); $i += 2) {
- $charval = self::LittleEndian2Int(substr($string, $i, 2));
- $newcharstring .= self::iconv_fallback_int_utf8($charval);
- }
- return $newcharstring;
- }
-
- /**
- * UTF-16BE => ISO-8859-1
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf16be_iso88591($string) {
- if (substr($string, 0, 2) == "\xFE\xFF") {
- // strip BOM
- $string = substr($string, 2);
- }
- $newcharstring = '';
- for ($i = 0; $i < strlen($string); $i += 2) {
- $charval = self::BigEndian2Int(substr($string, $i, 2));
- $newcharstring .= (($charval < 256) ? chr($charval) : '?');
- }
- return $newcharstring;
- }
-
- /**
- * UTF-16LE => ISO-8859-1
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf16le_iso88591($string) {
- if (substr($string, 0, 2) == "\xFF\xFE") {
- // strip BOM
- $string = substr($string, 2);
- }
- $newcharstring = '';
- for ($i = 0; $i < strlen($string); $i += 2) {
- $charval = self::LittleEndian2Int(substr($string, $i, 2));
- $newcharstring .= (($charval < 256) ? chr($charval) : '?');
- }
- return $newcharstring;
- }
-
- /**
- * UTF-16 (BOM) => ISO-8859-1
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf16_iso88591($string) {
- $bom = substr($string, 0, 2);
- if ($bom == "\xFE\xFF") {
- return self::iconv_fallback_utf16be_iso88591(substr($string, 2));
- } elseif ($bom == "\xFF\xFE") {
- return self::iconv_fallback_utf16le_iso88591(substr($string, 2));
- }
- return $string;
- }
-
- /**
- * UTF-16 (BOM) => UTF-8
- *
- * @param string $string
- *
- * @return string
- */
- public static function iconv_fallback_utf16_utf8($string) {
- $bom = substr($string, 0, 2);
- if ($bom == "\xFE\xFF") {
- return self::iconv_fallback_utf16be_utf8(substr($string, 2));
- } elseif ($bom == "\xFF\xFE") {
- return self::iconv_fallback_utf16le_utf8(substr($string, 2));
- }
- return $string;
- }
-
- /**
- * @param string $in_charset
- * @param string $out_charset
- * @param string $string
- *
- * @return string
- * @throws Exception
- */
- public static function iconv_fallback($in_charset, $out_charset, $string) {
-
- if ($in_charset == $out_charset) {
- return $string;
- }
-
- // mb_convert_encoding() available
- if (function_exists('mb_convert_encoding')) {
- if ((strtoupper($in_charset) == 'UTF-16') && (substr($string, 0, 2) != "\xFE\xFF") && (substr($string, 0, 2) != "\xFF\xFE")) {
- // if BOM missing, mb_convert_encoding will mishandle the conversion, assume UTF-16BE and prepend appropriate BOM
- $string = "\xFF\xFE".$string;
- }
- if ((strtoupper($in_charset) == 'UTF-16') && (strtoupper($out_charset) == 'UTF-8')) {
- if (($string == "\xFF\xFE") || ($string == "\xFE\xFF")) {
- // if string consists of only BOM, mb_convert_encoding will return the BOM unmodified
- return '';
- }
- }
- if ($converted_string = @mb_convert_encoding($string, $out_charset, $in_charset)) {
- switch ($out_charset) {
- case 'ISO-8859-1':
- $converted_string = rtrim($converted_string, "\x00");
- break;
- }
- return $converted_string;
- }
- return $string;
-
- // iconv() available
- } elseif (function_exists('iconv')) {
- if ($converted_string = @iconv($in_charset, $out_charset.'//TRANSLIT', $string)) {
- switch ($out_charset) {
- case 'ISO-8859-1':
- $converted_string = rtrim($converted_string, "\x00");
- break;
- }
- return $converted_string;
- }
-
- // iconv() may sometimes fail with "illegal character in input string" error message
- // and return an empty string, but returning the unconverted string is more useful
- return $string;
- }
-
-
- // neither mb_convert_encoding or iconv() is available
- static $ConversionFunctionList = array();
- if (empty($ConversionFunctionList)) {
- $ConversionFunctionList['ISO-8859-1']['UTF-8'] = 'iconv_fallback_iso88591_utf8';
- $ConversionFunctionList['ISO-8859-1']['UTF-16'] = 'iconv_fallback_iso88591_utf16';
- $ConversionFunctionList['ISO-8859-1']['UTF-16BE'] = 'iconv_fallback_iso88591_utf16be';
- $ConversionFunctionList['ISO-8859-1']['UTF-16LE'] = 'iconv_fallback_iso88591_utf16le';
- $ConversionFunctionList['UTF-8']['ISO-8859-1'] = 'iconv_fallback_utf8_iso88591';
- $ConversionFunctionList['UTF-8']['UTF-16'] = 'iconv_fallback_utf8_utf16';
- $ConversionFunctionList['UTF-8']['UTF-16BE'] = 'iconv_fallback_utf8_utf16be';
- $ConversionFunctionList['UTF-8']['UTF-16LE'] = 'iconv_fallback_utf8_utf16le';
- $ConversionFunctionList['UTF-16']['ISO-8859-1'] = 'iconv_fallback_utf16_iso88591';
- $ConversionFunctionList['UTF-16']['UTF-8'] = 'iconv_fallback_utf16_utf8';
- $ConversionFunctionList['UTF-16LE']['ISO-8859-1'] = 'iconv_fallback_utf16le_iso88591';
- $ConversionFunctionList['UTF-16LE']['UTF-8'] = 'iconv_fallback_utf16le_utf8';
- $ConversionFunctionList['UTF-16BE']['ISO-8859-1'] = 'iconv_fallback_utf16be_iso88591';
- $ConversionFunctionList['UTF-16BE']['UTF-8'] = 'iconv_fallback_utf16be_utf8';
- }
- if (isset($ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)])) {
- $ConversionFunction = $ConversionFunctionList[strtoupper($in_charset)][strtoupper($out_charset)];
- return self::$ConversionFunction($string);
- }
- throw new Exception('PHP does not has mb_convert_encoding() or iconv() support - cannot convert from '.$in_charset.' to '.$out_charset);
- }
-
- /**
- * @param mixed $data
- * @param string $charset
- *
- * @return mixed
- */
- public static function recursiveMultiByteCharString2HTML($data, $charset='ISO-8859-1') {
- if (is_string($data)) {
- return self::MultiByteCharString2HTML($data, $charset);
- } elseif (is_array($data)) {
- $return_data = array();
- foreach ($data as $key => $value) {
- $return_data[$key] = self::recursiveMultiByteCharString2HTML($value, $charset);
- }
- return $return_data;
- }
- // integer, float, objects, resources, etc
- return $data;
- }
-
- /**
- * @param string|int|float $string
- * @param string $charset
- *
- * @return string
- */
- public static function MultiByteCharString2HTML($string, $charset='ISO-8859-1') {
- $string = (string) $string; // in case trying to pass a numeric (float, int) string, would otherwise return an empty string
- $HTMLstring = '';
-
- switch (strtolower($charset)) {
- case '1251':
- case '1252':
- case '866':
- case '932':
- case '936':
- case '950':
- case 'big5':
- case 'big5-hkscs':
- case 'cp1251':
- case 'cp1252':
- case 'cp866':
- case 'euc-jp':
- case 'eucjp':
- case 'gb2312':
- case 'ibm866':
- case 'iso-8859-1':
- case 'iso-8859-15':
- case 'iso8859-1':
- case 'iso8859-15':
- case 'koi8-r':
- case 'koi8-ru':
- case 'koi8r':
- case 'shift_jis':
- case 'sjis':
- case 'win-1251':
- case 'windows-1251':
- case 'windows-1252':
- $HTMLstring = htmlentities($string, ENT_COMPAT, $charset);
- break;
-
- case 'utf-8':
- $strlen = strlen($string);
- for ($i = 0; $i < $strlen; $i++) {
- $char_ord_val = ord($string[$i]);
- $charval = 0;
- if ($char_ord_val < 0x80) {
- $charval = $char_ord_val;
- } elseif ((($char_ord_val & 0xF0) >> 4) == 0x0F && $i+3 < $strlen) {
- $charval = (($char_ord_val & 0x07) << 18);
- $charval += ((ord($string[++$i]) & 0x3F) << 12);
- $charval += ((ord($string[++$i]) & 0x3F) << 6);
- $charval += (ord($string[++$i]) & 0x3F);
- } elseif ((($char_ord_val & 0xE0) >> 5) == 0x07 && $i+2 < $strlen) {
- $charval = (($char_ord_val & 0x0F) << 12);
- $charval += ((ord($string[++$i]) & 0x3F) << 6);
- $charval += (ord($string[++$i]) & 0x3F);
- } elseif ((($char_ord_val & 0xC0) >> 6) == 0x03 && $i+1 < $strlen) {
- $charval = (($char_ord_val & 0x1F) << 6);
- $charval += (ord($string[++$i]) & 0x3F);
- }
- if (($charval >= 32) && ($charval <= 127)) {
- $HTMLstring .= htmlentities(chr($charval));
- } else {
- $HTMLstring .= '&#'.$charval.';';
- }
- }
- break;
-
- case 'utf-16le':
- for ($i = 0; $i < strlen($string); $i += 2) {
- $charval = self::LittleEndian2Int(substr($string, $i, 2));
- if (($charval >= 32) && ($charval <= 127)) {
- $HTMLstring .= chr($charval);
- } else {
- $HTMLstring .= '&#'.$charval.';';
- }
- }
- break;
-
- case 'utf-16be':
- for ($i = 0; $i < strlen($string); $i += 2) {
- $charval = self::BigEndian2Int(substr($string, $i, 2));
- if (($charval >= 32) && ($charval <= 127)) {
- $HTMLstring .= chr($charval);
- } else {
- $HTMLstring .= '&#'.$charval.';';
- }
- }
- break;
-
- default:
- $HTMLstring = 'ERROR: Character set "'.$charset.'" not supported in MultiByteCharString2HTML()';
- break;
- }
- return $HTMLstring;
- }
-
- /**
- * @param int $namecode
- *
- * @return string
- */
- public static function RGADnameLookup($namecode) {
- static $RGADname = array();
- if (empty($RGADname)) {
- $RGADname[0] = 'not set';
- $RGADname[1] = 'Track Gain Adjustment';
- $RGADname[2] = 'Album Gain Adjustment';
- }
-
- return (isset($RGADname[$namecode]) ? $RGADname[$namecode] : '');
- }
-
- /**
- * @param int $originatorcode
- *
- * @return string
- */
- public static function RGADoriginatorLookup($originatorcode) {
- static $RGADoriginator = array();
- if (empty($RGADoriginator)) {
- $RGADoriginator[0] = 'unspecified';
- $RGADoriginator[1] = 'pre-set by artist/producer/mastering engineer';
- $RGADoriginator[2] = 'set by user';
- $RGADoriginator[3] = 'determined automatically';
- }
-
- return (isset($RGADoriginator[$originatorcode]) ? $RGADoriginator[$originatorcode] : '');
- }
-
- /**
- * @param int $rawadjustment
- * @param int $signbit
- *
- * @return float
- */
- public static function RGADadjustmentLookup($rawadjustment, $signbit) {
- $adjustment = (float) $rawadjustment / 10;
- if ($signbit == 1) {
- $adjustment *= -1;
- }
- return $adjustment;
- }
-
- /**
- * @param int $namecode
- * @param int $originatorcode
- * @param int $replaygain
- *
- * @return string
- */
- public static function RGADgainString($namecode, $originatorcode, $replaygain) {
- if ($replaygain < 0) {
- $signbit = '1';
- } else {
- $signbit = '0';
- }
- $storedreplaygain = intval(round($replaygain * 10));
- $gainstring = str_pad(decbin($namecode), 3, '0', STR_PAD_LEFT);
- $gainstring .= str_pad(decbin($originatorcode), 3, '0', STR_PAD_LEFT);
- $gainstring .= $signbit;
- $gainstring .= str_pad(decbin($storedreplaygain), 9, '0', STR_PAD_LEFT);
-
- return $gainstring;
- }
-
- /**
- * @param float $amplitude
- *
- * @return float
- */
- public static function RGADamplitude2dB($amplitude) {
- return 20 * log10($amplitude);
- }
-
- /**
- * @param string $imgData
- * @param array $imageinfo
- *
- * @return array|false
- */
- public static function GetDataImageSize($imgData, &$imageinfo=array()) {
- static $tempdir = '';
- if (empty($tempdir)) {
- if (function_exists('sys_get_temp_dir')) {
- $tempdir = sys_get_temp_dir(); // https://github.com/JamesHeinrich/getID3/issues/52
- }
-
- // yes this is ugly, feel free to suggest a better way
- if (include_once(dirname(__FILE__).'/getid3.php')) {
- if ($getid3_temp = new getID3()) {
- if ($getid3_temp_tempdir = $getid3_temp->tempdir) {
- $tempdir = $getid3_temp_tempdir;
- }
- unset($getid3_temp, $getid3_temp_tempdir);
- }
- }
- }
- $GetDataImageSize = false;
- if ($tempfilename = tempnam($tempdir, 'gI3')) {
- if (is_writable($tempfilename) && is_file($tempfilename) && ($tmp = fopen($tempfilename, 'wb'))) {
- fwrite($tmp, $imgData);
- fclose($tmp);
- $GetDataImageSize = @getimagesize($tempfilename, $imageinfo);
- if (($GetDataImageSize === false) || !isset($GetDataImageSize[0]) || !isset($GetDataImageSize[1])) {
- return false;
- }
- $GetDataImageSize['height'] = $GetDataImageSize[0];
- $GetDataImageSize['width'] = $GetDataImageSize[1];
- }
- unlink($tempfilename);
- }
- return $GetDataImageSize;
- }
-
- /**
- * @param string $mime_type
- *
- * @return string
- */
- public static function ImageExtFromMime($mime_type) {
- // temporary way, works OK for now, but should be reworked in the future
- return str_replace(array('image/', 'x-', 'jpeg'), array('', '', 'jpg'), $mime_type);
- }
-
- /**
- * @param array $ThisFileInfo
- *
- * @return bool
- */
- public static function CopyTagsToComments(&$ThisFileInfo) {
-
- // Copy all entries from ['tags'] into common ['comments']
- if (!empty($ThisFileInfo['tags'])) {
- foreach ($ThisFileInfo['tags'] as $tagtype => $tagarray) {
- foreach ($tagarray as $tagname => $tagdata) {
- foreach ($tagdata as $key => $value) {
- if (!empty($value)) {
- if (empty($ThisFileInfo['comments'][$tagname])) {
-
- // fall through and append value
-
- } elseif ($tagtype == 'id3v1') {
-
- $newvaluelength = strlen(trim($value));
- foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) {
- $oldvaluelength = strlen(trim($existingvalue));
- if (($newvaluelength <= $oldvaluelength) && (substr($existingvalue, 0, $newvaluelength) == trim($value))) {
- // new value is identical but shorter-than (or equal-length to) one already in comments - skip
- break 2;
- }
- }
-
- } elseif (!is_array($value)) {
-
- $newvaluelength = strlen(trim($value));
- foreach ($ThisFileInfo['comments'][$tagname] as $existingkey => $existingvalue) {
- $oldvaluelength = strlen(trim($existingvalue));
- if ((strlen($existingvalue) > 10) && ($newvaluelength > $oldvaluelength) && (substr(trim($value), 0, strlen($existingvalue)) == $existingvalue)) {
- $ThisFileInfo['comments'][$tagname][$existingkey] = trim($value);
- //break 2;
- break;
- }
- }
-
- }
- if (is_array($value) || empty($ThisFileInfo['comments'][$tagname]) || !in_array(trim($value), $ThisFileInfo['comments'][$tagname])) {
- $value = (is_string($value) ? trim($value) : $value);
- if (!is_int($key) && !ctype_digit($key)) {
- $ThisFileInfo['comments'][$tagname][$key] = $value;
- } else {
- if (isset($ThisFileInfo['comments'][$tagname])) {
- $ThisFileInfo['comments'][$tagname] = array($value);
- } else {
- $ThisFileInfo['comments'][$tagname][] = $value;
- }
- }
- }
- }
- }
- }
- }
-
- // attempt to standardize spelling of returned keys
- $StandardizeFieldNames = array(
- 'tracknumber' => 'track_number',
- 'track' => 'track_number',
- );
- foreach ($StandardizeFieldNames as $badkey => $goodkey) {
- if (array_key_exists($badkey, $ThisFileInfo['comments']) && !array_key_exists($goodkey, $ThisFileInfo['comments'])) {
- $ThisFileInfo['comments'][$goodkey] = $ThisFileInfo['comments'][$badkey];
- unset($ThisFileInfo['comments'][$badkey]);
- }
- }
-
- // Copy to ['comments_html']
- if (!empty($ThisFileInfo['comments'])) {
- foreach ($ThisFileInfo['comments'] as $field => $values) {
- if ($field == 'picture') {
- // pictures can take up a lot of space, and we don't need multiple copies of them
- // let there be a single copy in [comments][picture], and not elsewhere
- continue;
- }
- foreach ($values as $index => $value) {
- if (is_array($value)) {
- $ThisFileInfo['comments_html'][$field][$index] = $value;
- } else {
- $ThisFileInfo['comments_html'][$field][$index] = str_replace('&#0;', '', self::MultiByteCharString2HTML($value, $ThisFileInfo['encoding']));
- }
- }
- }
- }
-
- }
- return true;
- }
-
- /**
- * @param string $key
- * @param int $begin
- * @param int $end
- * @param string $file
- * @param string $name
- *
- * @return string
- */
- public static function EmbeddedLookup($key, $begin, $end, $file, $name) {
-
- // Cached
- static $cache;
- if (isset($cache[$file][$name])) {
- return (isset($cache[$file][$name][$key]) ? $cache[$file][$name][$key] : '');
- }
-
- // Init
- $keylength = strlen($key);
- $line_count = $end - $begin - 7;
-
- // Open php file
- $fp = fopen($file, 'r');
-
- // Discard $begin lines
- for ($i = 0; $i < ($begin + 3); $i++) {
- fgets($fp, 1024);
- }
-
- // Loop thru line
- while (0 < $line_count--) {
-
- // Read line
- $line = ltrim(fgets($fp, 1024), "\t ");
-
- // METHOD A: only cache the matching key - less memory but slower on next lookup of not-previously-looked-up key
- //$keycheck = substr($line, 0, $keylength);
- //if ($key == $keycheck) {
- // $cache[$file][$name][$keycheck] = substr($line, $keylength + 1);
- // break;
- //}
-
- // METHOD B: cache all keys in this lookup - more memory but faster on next lookup of not-previously-looked-up key
- //$cache[$file][$name][substr($line, 0, $keylength)] = trim(substr($line, $keylength + 1));
- $explodedLine = explode("\t", $line, 2);
- $ThisKey = (isset($explodedLine[0]) ? $explodedLine[0] : '');
- $ThisValue = (isset($explodedLine[1]) ? $explodedLine[1] : '');
- $cache[$file][$name][$ThisKey] = trim($ThisValue);
- }
-
- // Close and return
- fclose($fp);
- return (isset($cache[$file][$name][$key]) ? $cache[$file][$name][$key] : '');
- }
-
- /**
- * @param string $filename
- * @param string $sourcefile
- * @param bool $DieOnFailure
- *
- * @return bool
- * @throws Exception
- */
- public static function IncludeDependency($filename, $sourcefile, $DieOnFailure=false) {
- global $GETID3_ERRORARRAY;
-
- if (file_exists($filename)) {
- if (include_once($filename)) {
- return true;
- } else {
- $diemessage = basename($sourcefile).' depends on '.$filename.', which has errors';
- }
- } else {
- $diemessage = basename($sourcefile).' depends on '.$filename.', which is missing';
- }
- if ($DieOnFailure) {
- throw new Exception($diemessage);
- } else {
- $GETID3_ERRORARRAY[] = $diemessage;
- }
- return false;
- }
-
- /**
- * @param string $string
- *
- * @return string
- */
- public static function trimNullByte($string) {
- return trim($string, "\x00");
- }
-
- /**
- * @param string $path
- *
- * @return float|bool
- */
- public static function getFileSizeSyscall($path) {
- $filesize = false;
-
- if (GETID3_OS_ISWINDOWS) {
- if (class_exists('COM')) { // From PHP 5.3.15 and 5.4.5, COM and DOTNET is no longer built into the php core.you have to add COM support in php.ini:
- $filesystem = new COM('Scripting.FileSystemObject');
- $file = $filesystem->GetFile($path);
- $filesize = $file->Size();
- unset($filesystem, $file);
- } else {
- $commandline = 'for %I in ('.escapeshellarg($path).') do @echo %~zI';
- }
- } else {
- $commandline = 'ls -l '.escapeshellarg($path).' | awk \'{print $5}\'';
- }
- if (isset($commandline)) {
- $output = trim(`$commandline`);
- if (ctype_digit($output)) {
- $filesize = (float) $output;
- }
- }
- return $filesize;
- }
-
- /**
- * @param string $filename
- *
- * @return string|false
- */
- public static function truepath($filename) {
- // 2017-11-08: this could use some improvement, patches welcome
- if (preg_match('#^(\\\\\\\\|//)[a-z0-9]#i', $filename, $matches)) {
- // PHP's built-in realpath function does not work on UNC Windows shares
- $goodpath = array();
- foreach (explode('/', str_replace('\\', '/', $filename)) as $part) {
- if ($part == '.') {
- continue;
- }
- if ($part == '..') {
- if (count($goodpath)) {
- array_pop($goodpath);
- } else {
- // cannot step above this level, already at top level
- return false;
- }
- } else {
- $goodpath[] = $part;
- }
- }
- return implode(DIRECTORY_SEPARATOR, $goodpath);
- }
- return realpath($filename);
- }
-
- /**
- * Workaround for Bug #37268 (https://bugs.php.net/bug.php?id=37268)
- *
- * @param string $path A path.
- * @param string $suffix If the name component ends in suffix this will also be cut off.
- *
- * @return string
- */
- public static function mb_basename($path, $suffix = null) {
- $splited = preg_split('#/#', rtrim($path, '/ '));
- return substr(basename('X'.$splited[count($splited) - 1], $suffix), 1);
- }
-
-}
generated by cgit (git 2.34.1) at 2026-05-16 11:16:34 +0000