public function openfile($filename, $filesize = null)
{
try {
if (!empty($this->startup_error)) {
throw new getid3_exception($this->startup_error);
}
if (!empty($this->startup_warning)) {
$this->warning($this->startup_warning);
}
// init result array and set parameters
$this->filename = $filename;
$this->info = array();
$this->info['GETID3_VERSION'] = $this->version();
$this->info['php_memory_limit'] = $this->memory_limit > 0 ? $this->memory_limit : false;
// remote files not supported
if (preg_match('/^(ht|f)tp:\\/\\//', $filename)) {
throw new getid3_exception('Remote files are not supported - please copy the file locally first');
}
$filename = str_replace('/', DIRECTORY_SEPARATOR, $filename);
$filename = preg_replace('#(.+)' . preg_quote(DIRECTORY_SEPARATOR) . '{2,}#U', '\\1' . DIRECTORY_SEPARATOR, $filename);
// open local file
//if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // see http://www.getid3.org/phpBB3/viewtopic.php?t=1720
if ((is_readable($filename) || file_exists($filename)) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) {
// great
} else {
$errormessagelist = array();
if (!is_readable($filename)) {
$errormessagelist[] = '!is_readable';
}
if (!is_file($filename)) {
$errormessagelist[] = '!is_file';
}
if (!file_exists($filename)) {
$errormessagelist[] = '!file_exists';
}
if (empty($errormessagelist)) {
$errormessagelist[] = 'fopen failed';
}
throw new getid3_exception('Could not open "' . $filename . '" (' . implode('; ', $errormessagelist) . ')');
}
$this->info['filesize'] = !is_null($filesize) ? $filesize : filesize($filename);
// set redundant parameters - might be needed in some include file
// filenames / filepaths in getID3 are always expressed with forward slashes (unix-style) for both Windows and other to try and minimize confusion
$filename = str_replace('\\', '/', $filename);
$this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename)));
$this->info['filename'] = getid3_lib::mb_basename($filename);
$this->info['filenamepath'] = $this->info['filepath'] . '/' . $this->info['filename'];
// option_max_2gb_check
if ($this->option_max_2gb_check) {
// PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB)
// filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
// ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
$fseek = fseek($this->fp, 0, SEEK_END);
if ($fseek < 0 || $this->info['filesize'] != 0 && ftell($this->fp) == 0 || $this->info['filesize'] < 0 || ftell($this->fp) < 0) {
$real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']);
if ($real_filesize === false) {
unset($this->info['filesize']);
fclose($this->fp);
throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than ' . round(PHP_INT_MAX / 1073741824) . 'GB and is not supported by PHP.');
} elseif (getid3_lib::intValueSupported($real_filesize)) {
unset($this->info['filesize']);
fclose($this->fp);
throw new getid3_exception('PHP seems to think the file is larger than ' . round(PHP_INT_MAX / 1073741824) . 'GB, but filesystem reports it as ' . number_format($real_filesize, 3) . 'GB, please report to info@getid3.org');
}
$this->info['filesize'] = $real_filesize;
$this->warning('File is larger than ' . round(PHP_INT_MAX / 1073741824) . 'GB (filesystem reports it as ' . number_format($real_filesize, 3) . 'GB) and is not properly supported by PHP.');
}
}
// set more parameters
$this->info['avdataoffset'] = 0;
$this->info['avdataend'] = $this->info['filesize'];
$this->info['fileformat'] = '';
// filled in later
$this->info['audio']['dataformat'] = '';
// filled in later, unset if not used
$this->info['video']['dataformat'] = '';
// filled in later, unset if not used
$this->info['tags'] = array();
// filled in later, unset if not used
$this->info['error'] = array();
// filled in later, unset if not used
$this->info['warning'] = array();
// filled in later, unset if not used
$this->info['comments'] = array();
// filled in later, unset if not used
$this->info['encoding'] = $this->encoding;
// required by id3v2 and iso modules - can be unset at the end if desired
return true;
} catch (Exception $e) {
$this->error($e->getMessage());
}
return false;
}
