/**
* @return bool
*/
public function WriteVorbisComment()
{
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call vorbiscomment, tags not written';
return false;
}
// Create file with new comments
$tempcommentsfilename = tempnam(GetId3Core::getTempDir(), 'getID3');
if (is_writable($tempcommentsfilename) && is_file($tempcommentsfilename) && ($fpcomments = fopen($tempcommentsfilename, 'wb'))) {
foreach ($this->tag_data as $key => $value) {
foreach ($value as $commentdata) {
fwrite($fpcomments, $this->CleanVorbisCommentName($key) . '=' . $commentdata . "\n");
}
}
fclose($fpcomments);
} else {
$this->errors[] = 'failed to open temporary tags file "' . $tempcommentsfilename . '", tags not written';
return false;
}
$oldignoreuserabort = ignore_user_abort(true);
if (GetId3Core::environmentIsWindows()) {
if (file_exists(GetId3Core::getHelperAppsDir() . 'vorbiscomment.exe')) {
//$commandline = '"'.GetId3Core::getHelperAppsDir().'vorbiscomment.exe" -w --raw -c "'.$tempcommentsfilename.'" "'.str_replace('/', '\\', $this->filename).'"';
// vorbiscomment works fine if you copy-paste the above commandline into a command prompt,
// but refuses to work with `backtick` if there are "doublequotes" present around BOTH
// the metaflac pathname and the target filename. For whatever reason...??
// The solution is simply ensure that the metaflac pathname has no spaces,
// and therefore does not need to be quoted
// On top of that, if error messages are not always captured properly under Windows
// To at least see if there was a problem, compare file modification timestamps before and after writing
clearstatcache();
$timestampbeforewriting = filemtime($this->filename);
$commandline = GetId3Core::getHelperAppsDir() . 'vorbiscomment.exe -w --raw -c "' . $tempcommentsfilename . '" "' . $this->filename . '" 2>&1';
$VorbiscommentError = `{$commandline}`;
if (empty($VorbiscommentError)) {
clearstatcache();
if ($timestampbeforewriting == filemtime($this->filename)) {
$VorbiscommentError = 'File modification timestamp has not changed - it looks like the tags were not written';
}
}
} else {
$VorbiscommentError = 'vorbiscomment.exe not found in ' . GetId3Core::getHelperAppsDir();
}
} else {
$commandline = 'vorbiscomment -w --raw -c "' . $tempcommentsfilename . '" "' . $this->filename . '" 2>&1';
$VorbiscommentError = `{$commandline}`;
}
// Remove temporary comments file
unlink($tempcommentsfilename);
ignore_user_abort($oldignoreuserabort);
if (!empty($VorbiscommentError)) {
$this->errors[] = 'system call to vorbiscomment failed with message: ' . "\n\n" . $VorbiscommentError;
return false;
}
return true;
}
/**
* @return bool
*/
public function DeleteMetaFLAC()
{
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$this->errors[] = 'PHP running in Safe Mode (backtick operator not available) - cannot call metaflac, tags not deleted';
return false;
}
$oldignoreuserabort = ignore_user_abort(true);
if (GetId3Core::environmentIsWindows()) {
if (file_exists(GetId3Core::getHelperAppsDir() . 'metaflac.exe')) {
// To at least see if there was a problem, compare file modification timestamps before and after writing
clearstatcache();
$timestampbeforewriting = filemtime($this->filename);
$commandline = GetId3Core::getHelperAppsDir() . 'metaflac.exe --remove-all-tags "' . $this->filename . '" 2>&1';
$metaflacError = `{$commandline}`;
if (empty($metaflacError)) {
clearstatcache();
if ($timestampbeforewriting == filemtime($this->filename)) {
$metaflacError = 'File modification timestamp has not changed - it looks like the tags were not deleted';
}
}
} else {
$metaflacError = 'metaflac.exe not found in ' . GetId3Core::getHelperAppsDir();
}
} else {
// It's simpler on *nix
$commandline = 'metaflac --remove-all-tags "' . $this->filename . '" 2>&1';
$metaflacError = `{$commandline}`;
}
ignore_user_abort($oldignoreuserabort);
if (!empty($metaflacError)) {
$this->errors[] = 'System call to metaflac failed with this message returned: ' . "\n\n" . $metaflacError;
return false;
}
return true;
}
/**
* @return bool
*/
public function analyze()
{
$info =& $this->getid3->info;
$info['fileformat'] = 'jpg';
$info['video']['dataformat'] = 'jpg';
$info['video']['lossless'] = false;
$info['video']['bits_per_sample'] = 24;
$info['video']['pixel_aspect_ratio'] = (double) 1;
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
$imageinfo = array();
list($width, $height, $type) = Helper::GetDataImageSize(fread($this->getid3->fp, $info['filesize']), $imageinfo);
if (isset($imageinfo['APP13'])) {
// http://php.net/iptcparse
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html
$iptc_parsed = iptcparse($imageinfo['APP13']);
if (is_array($iptc_parsed)) {
foreach ($iptc_parsed as $iptc_key_raw => $iptc_values) {
list($iptc_record, $iptc_tagkey) = explode('#', $iptc_key_raw);
$iptc_tagkey = intval(ltrim($iptc_tagkey, '0'));
foreach ($iptc_values as $key => $value) {
$IPTCrecordName = $this->IPTCrecordName($iptc_record);
$IPTCrecordTagName = $this->IPTCrecordTagName($iptc_record, $iptc_tagkey);
if (isset($info['iptc'][$IPTCrecordName][$IPTCrecordTagName])) {
$info['iptc'][$IPTCrecordName][$IPTCrecordTagName][] = $value;
} else {
$info['iptc'][$IPTCrecordName][$IPTCrecordTagName] = array($value);
}
}
}
}
}
$returnOK = false;
switch ($type) {
case IMG_JPG:
$info['video']['resolution_x'] = $width;
$info['video']['resolution_y'] = $height;
if (isset($imageinfo['APP1'])) {
if (function_exists('exif_read_data')) {
if (substr($imageinfo['APP1'], 0, 4) == 'Exif') {
$info['jpg']['exif'] = @exif_read_data($info['filenamepath'], '', true, false);
} else {
$info['warning'][] = 'exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "' . substr($imageinfo['APP1'], 0, 4) . '")';
}
} else {
$info['warning'][] = 'EXIF parsing only available when ' . (GetId3Core::environmentIsWindows() ? 'php_exif.dll enabled' : 'compiled with --enable-exif');
}
}
$returnOK = true;
break;
default:
break;
}
$cast_as_appropriate_keys = array('EXIF', 'IFD0', 'THUMBNAIL');
foreach ($cast_as_appropriate_keys as $exif_key) {
if (isset($info['jpg']['exif'][$exif_key])) {
foreach ($info['jpg']['exif'][$exif_key] as $key => $value) {
$info['jpg']['exif'][$exif_key][$key] = $this->CastAsAppropriate($value);
}
}
}
if (isset($info['jpg']['exif']['GPS'])) {
if (isset($info['jpg']['exif']['GPS']['GPSVersion'])) {
for ($i = 0; $i < 4; ++$i) {
$version_subparts[$i] = ord(substr($info['jpg']['exif']['GPS']['GPSVersion'], $i, 1));
}
$info['jpg']['exif']['GPS']['computed']['version'] = 'v' . implode('.', $version_subparts);
}
if (isset($info['jpg']['exif']['GPS']['GPSDateStamp'])) {
$explodedGPSDateStamp = explode(':', $info['jpg']['exif']['GPS']['GPSDateStamp']);
$computed_time[5] = isset($explodedGPSDateStamp[0]) ? $explodedGPSDateStamp[0] : '';
$computed_time[3] = isset($explodedGPSDateStamp[1]) ? $explodedGPSDateStamp[1] : '';
$computed_time[4] = isset($explodedGPSDateStamp[2]) ? $explodedGPSDateStamp[2] : '';
if (function_exists('date_default_timezone_set')) {
date_default_timezone_set('UTC');
} else {
ini_set('date.timezone', 'UTC');
}
$computed_time = array(0 => 0, 1 => 0, 2 => 0, 3 => 0, 4 => 0, 5 => 0);
if (isset($info['jpg']['exif']['GPS']['GPSTimeStamp']) && is_array($info['jpg']['exif']['GPS']['GPSTimeStamp'])) {
foreach ($info['jpg']['exif']['GPS']['GPSTimeStamp'] as $key => $value) {
$computed_time[$key] = Helper::DecimalizeFraction($value);
}
}
$info['jpg']['exif']['GPS']['computed']['timestamp'] = mktime($computed_time[0], $computed_time[1], $computed_time[2], $computed_time[3], $computed_time[4], $computed_time[5]);
}
if (isset($info['jpg']['exif']['GPS']['GPSLatitude']) && is_array($info['jpg']['exif']['GPS']['GPSLatitude'])) {
$direction_multiplier = isset($info['jpg']['exif']['GPS']['GPSLatitudeRef']) && $info['jpg']['exif']['GPS']['GPSLatitudeRef'] == 'S' ? -1 : 1;
foreach ($info['jpg']['exif']['GPS']['GPSLatitude'] as $key => $value) {
$computed_latitude[$key] = Helper::DecimalizeFraction($value);
}
$info['jpg']['exif']['GPS']['computed']['latitude'] = $direction_multiplier * ($computed_latitude[0] + $computed_latitude[1] / 60 + $computed_latitude[2] / 3600);
}
if (isset($info['jpg']['exif']['GPS']['GPSLongitude']) && is_array($info['jpg']['exif']['GPS']['GPSLongitude'])) {
$direction_multiplier = isset($info['jpg']['exif']['GPS']['GPSLongitudeRef']) && $info['jpg']['exif']['GPS']['GPSLongitudeRef'] == 'W' ? -1 : 1;
foreach ($info['jpg']['exif']['GPS']['GPSLongitude'] as $key => $value) {
$computed_longitude[$key] = Helper::DecimalizeFraction($value);
}
$info['jpg']['exif']['GPS']['computed']['longitude'] = $direction_multiplier * ($computed_longitude[0] + $computed_longitude[1] / 60 + $computed_longitude[2] / 3600);
}
if (isset($info['jpg']['exif']['GPS']['GPSAltitude'])) {
$direction_multiplier = isset($info['jpg']['exif']['GPS']['GPSAltitudeRef']) && $info['jpg']['exif']['GPS']['GPSAltitudeRef'] === chr(1) ? -1 : 1;
$info['jpg']['exif']['GPS']['computed']['altitude'] = $direction_multiplier * Helper::DecimalizeFraction($info['jpg']['exif']['GPS']['GPSAltitude']);
}
}
if (class_exists('Helpers\\GetId3\\Module\\Tag\\Xmp')) {
if (isset($info['filenamepath'])) {
$image_xmp = new Xmp($info['filenamepath']);
$xmp_raw = $image_xmp->getAllTags();
foreach ($xmp_raw as $key => $value) {
list($subsection, $tagname) = explode(':', $key);
$info['xmp'][$subsection][$tagname] = $this->CastAsAppropriate($value);
}
}
}
if (!$returnOK) {
unset($info['fileformat']);
return false;
}
return true;
}
/**
* self::md5_data() - returns md5sum for a file from startuing position to absolute end position
*
* @staticvar string $tempdir
*
* @param type $file
* @param type $offset
* @param type $end
* @param type $algorithm
*
* @return bool
*
* @throws Exception
*
* @author Allan Hansen <ahØartemis*dk>
*/
public static function hash_data($file, $offset, $end, $algorithm)
{
static $tempdir = '';
if (!self::intValueSupported($end)) {
return false;
}
switch ($algorithm) {
case 'md5':
$hash_function = 'md5_file';
$unix_call = 'md5sum';
$windows_call = 'md5sum.exe';
$hash_length = 32;
break;
case 'sha1':
$hash_function = 'sha1_file';
$unix_call = 'sha1sum';
$windows_call = 'sha1sum.exe';
$hash_length = 40;
break;
default:
throw new DefaultException('Invalid algorithm (' . $algorithm . ') in self::hash_data()');
break;
}
$size = $end - $offset;
while (true) {
if (GetId3Core::environmentIsWindows()) {
// It seems that sha1sum.exe for Windows only works on physical files, does not accept piped data
// Fall back to create-temp-file method:
if ($algorithm == 'sha1') {
break;
}
$RequiredFiles = array('cygwin1.dll', 'head.exe', 'tail.exe', $windows_call);
foreach ($RequiredFiles as $required_file) {
if (!is_readable(GetId3Core::getHelperAppsDir() . $required_file)) {
// helper apps not available - fall back to old method
break 2;
}
}
$commandline = GetId3Core::getHelperAppsDir() . 'head.exe -c ' . $end . ' ' . escapeshellarg(str_replace('/', DIRECTORY_SEPARATOR, $file)) . ' | ';
$commandline .= GetId3Core::getHelperAppsDir() . 'tail.exe -c ' . $size . ' | ';
$commandline .= GetId3Core::getHelperAppsDir() . $windows_call;
} else {
$commandline = 'head -c' . $end . ' ' . escapeshellarg($file) . ' | ';
$commandline .= 'tail -c' . $size . ' | ';
$commandline .= $unix_call;
}
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
//throw new DefaultException('PHP running in Safe Mode - backtick operator not available, using slower non-system-call '.$algorithm.' algorithm');
break;
}
return substr(`{$commandline}`, 0, $hash_length);
}
if (empty($tempdir)) {
// yes this is ugly, feel free to suggest a better way
$getid3_temp = new GetId3Core();
$tempdir = $getid3_temp->tempdir;
unset($getid3_temp);
}
// try to create a temporary file in the system temp directory - invalid dirname should force to system temp dir
if (($data_filename = tempnam($tempdir, 'gI3')) === false) {
// can't find anywhere to create a temp file, just fail
return false;
}
// Init
$result = false;
// copy parts of file
try {
self::CopyFileParts($file, $data_filename, $offset, $end - $offset);
$result = $hash_function($data_filename);
} catch (DefaultException $e) {
throw new DefaultException('self::CopyFileParts() failed in getid_lib::hash_data(): ' . $e->getMessage());
}
unlink($data_filename);
return $result;
}
/**
* @staticvar type $shorten_present
*
* @return bool
*/
public function analyze()
{
$info =& $this->getid3->info;
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
$ShortenHeader = fread($this->getid3->fp, 8);
$magic = 'ajkg';
if (substr($ShortenHeader, 0, 4) != $magic) {
$info['error'][] = 'Expecting "' . Helper::PrintHexBytes($magic) . '" at offset ' . $info['avdataoffset'] . ', found "' . Helper::PrintHexBytes(substr($ShortenHeader, 0, 4)) . '"';
return false;
}
$info['fileformat'] = 'shn';
$info['audio']['dataformat'] = 'shn';
$info['audio']['lossless'] = true;
$info['audio']['bitrate_mode'] = 'vbr';
$info['shn']['version'] = Helper::LittleEndian2Int(substr($ShortenHeader, 4, 1));
fseek($this->getid3->fp, $info['avdataend'] - 12, SEEK_SET);
$SeekTableSignatureTest = fread($this->getid3->fp, 12);
$info['shn']['seektable']['present'] = (bool) (substr($SeekTableSignatureTest, 4, 8) == 'SHNAMPSK');
if ($info['shn']['seektable']['present']) {
$info['shn']['seektable']['length'] = Helper::LittleEndian2Int(substr($SeekTableSignatureTest, 0, 4));
$info['shn']['seektable']['offset'] = $info['avdataend'] - $info['shn']['seektable']['length'];
fseek($this->getid3->fp, $info['shn']['seektable']['offset'], SEEK_SET);
$SeekTableMagic = fread($this->getid3->fp, 4);
$magic = 'SEEK';
if ($SeekTableMagic != $magic) {
$info['error'][] = 'Expecting "' . Helper::PrintHexBytes($magic) . '" at offset ' . $info['shn']['seektable']['offset'] . ', found "' . Helper::PrintHexBytes($SeekTableMagic) . '"';
return false;
} else {
// typedef struct tag_TSeekEntry
// {
// unsigned long SampleNumber;
// unsigned long SHNFileByteOffset;
// unsigned long SHNLastBufferReadPosition;
// unsigned short SHNByteGet;
// unsigned short SHNBufferOffset;
// unsigned short SHNFileBitOffset;
// unsigned long SHNGBuffer;
// unsigned short SHNBitShift;
// long CBuf0[3];
// long CBuf1[3];
// long Offset0[4];
// long Offset1[4];
// }TSeekEntry;
$SeekTableData = fread($this->getid3->fp, $info['shn']['seektable']['length'] - 16);
$info['shn']['seektable']['entry_count'] = floor(strlen($SeekTableData) / 80);
//$info['shn']['seektable']['entries'] = array();
//$SeekTableOffset = 0;
//for ($i = 0; $i < $info['shn']['seektable']['entry_count']; $i++) {
// $SeekTableEntry['sample_number'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_file_byte_offset'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_last_buffer_read_position'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_byte_get'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// $SeekTableEntry['shn_buffer_offset'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// $SeekTableEntry['shn_file_bit_offset'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// $SeekTableEntry['shn_gbuffer'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// $SeekTableEntry['shn_bit_shift'] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 2));
// $SeekTableOffset += 2;
// for ($j = 0; $j < 3; $j++) {
// $SeekTableEntry['cbuf0'][$j] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
// for ($j = 0; $j < 3; $j++) {
// $SeekTableEntry['cbuf1'][$j] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
// for ($j = 0; $j < 4; $j++) {
// $SeekTableEntry['offset0'][$j] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
// for ($j = 0; $j < 4; $j++) {
// $SeekTableEntry['offset1'][$j] = GetId3_lib::LittleEndian2Int(substr($SeekTableData, $SeekTableOffset, 4));
// $SeekTableOffset += 4;
// }
//
// $info['shn']['seektable']['entries'][] = $SeekTableEntry;
//}
}
}
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$info['error'][] = 'PHP running in Safe Mode - backtick operator not available, cannot run shntool to analyze Shorten files';
return false;
}
if (GetId3Core::environmentIsWindows()) {
$RequiredFiles = array('shorten.exe', 'cygwin1.dll', 'head.exe');
foreach ($RequiredFiles as $required_file) {
if (!is_readable(GetId3Core::getHelperAppsDir() . $required_file)) {
$info['error'][] = GetId3Core::getHelperAppsDir() . $required_file . ' does not exist';
return false;
}
}
$commandline = GetId3Core::getHelperAppsDir() . 'shorten.exe -x "' . $info['filenamepath'] . '" - | ' . GetId3Core::getHelperAppsDir() . 'head.exe -c 64';
$commandline = str_replace('/', '\\', $commandline);
} else {
static $shorten_present;
if (!isset($shorten_present)) {
$shorten_present = file_exists('/usr/local/bin/shorten') || `which shorten`;
}
if (!$shorten_present) {
$info['error'][] = 'shorten binary was not found in path or /usr/local/bin';
return false;
}
$commandline = (file_exists('/usr/local/bin/shorten') ? '/usr/local/bin/' : '') . 'shorten -x ' . escapeshellarg($info['filenamepath']) . ' - | head -c 64';
}
$output = `{$commandline}`;
if (!empty($output) && substr($output, 12, 4) == 'fmt ') {
$fmt_size = Helper::LittleEndian2Int(substr($output, 16, 4));
$DecodedWAVFORMATEX = Riff::RIFFparseWAVEFORMATex(substr($output, 20, $fmt_size));
$info['audio']['channels'] = $DecodedWAVFORMATEX['channels'];
$info['audio']['bits_per_sample'] = $DecodedWAVFORMATEX['bits_per_sample'];
$info['audio']['sample_rate'] = $DecodedWAVFORMATEX['sample_rate'];
if (substr($output, 20 + $fmt_size, 4) == 'data') {
$info['playtime_seconds'] = Helper::LittleEndian2Int(substr($output, 20 + 4 + $fmt_size, 4)) / $DecodedWAVFORMATEX['raw']['nAvgBytesPerSec'];
} else {
$info['error'][] = 'shorten failed to decode DATA chunk to expected location, cannot determine playtime';
return false;
}
$info['audio']['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8;
} else {
$info['error'][] = 'shorten failed to decode file to WAV for parsing';
return false;
}
return true;
}