first commit
This commit is contained in:
root
202
vendor/miljar/php-exif/lib/PHPExif/Adapter/Exiftool.php
vendored
Normal file
202
vendor/miljar/php-exif/lib/PHPExif/Adapter/Exiftool.php
vendored
Normal file
@ -0,0 +1,202 @@
|
||||
<?php
|
||||
/**
|
||||
* PHP Exif Exiftool Reader Adapter
|
||||
*
|
||||
* @link http://github.com/miljar/PHPExif for the canonical source repository
|
||||
* @copyright Copyright (c) 2013 Tom Van Herreweghe <tom@theanalogguy.be>
|
||||
* @license http://github.com/miljar/PHPExif/blob/master/LICENSE MIT License
|
||||
* @category PHPExif
|
||||
* @package Reader
|
||||
*/
|
||||
|
||||
namespace PHPExif\Adapter;
|
||||
|
||||
use PHPExif\Exif;
|
||||
use InvalidArgumentException;
|
||||
use RuntimeException;
|
||||
|
||||
/**
|
||||
* PHP Exif Exiftool Reader Adapter
|
||||
*
|
||||
* Uses native PHP functionality to read data from a file
|
||||
*
|
||||
* @category PHPExif
|
||||
* @package Reader
|
||||
*/
|
||||
class Exiftool extends AdapterAbstract
|
||||
{
|
||||
const TOOL_NAME = 'exiftool';
|
||||
|
||||
/**
|
||||
* Path to the exiftool binary
|
||||
*
|
||||
* @var string
|
||||
*/
|
||||
protected $toolPath;
|
||||
|
||||
/**
|
||||
* @var boolean
|
||||
*/
|
||||
protected $numeric = true;
|
||||
|
||||
/**
|
||||
* @var array
|
||||
*/
|
||||
protected $encoding = array();
|
||||
|
||||
/**
|
||||
* @var string
|
||||
*/
|
||||
protected $mapperClass = '\\PHPExif\\Mapper\\Exiftool';
|
||||
|
||||
/**
|
||||
* Setter for the exiftool binary path
|
||||
*
|
||||
* @param string $path The path to the exiftool binary
|
||||
* @return \PHPExif\Adapter\Exiftool Current instance
|
||||
* @throws \InvalidArgumentException When path is invalid
|
||||
*/
|
||||
public function setToolPath($path)
|
||||
{
|
||||
if (!file_exists($path)) {
|
||||
throw new InvalidArgumentException(
|
||||
sprintf(
|
||||
'Given path (%1$s) to the exiftool binary is invalid',
|
||||
$path
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
$this->toolPath = $path;
|
||||
|
||||
return $this;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param boolean $numeric
|
||||
*/
|
||||
public function setNumeric($numeric)
|
||||
{
|
||||
$this->numeric = $numeric;
|
||||
}
|
||||
|
||||
/**
|
||||
* @see http://www.sno.phy.queensu.ca/~phil/exiftool/faq.html#Q10
|
||||
* @param array $encoding encoding parameters in an array eg. ["exif" => "UTF-8"]
|
||||
*/
|
||||
public function setEncoding($encoding)
|
||||
{
|
||||
$possible_keys = array("exif", "iptc", "id3", "photoshop", "quicktime",);
|
||||
$possible_values = array("UTF8", "cp65001", "UTF-8", "Thai", "cp874", "Latin", "cp1252",
|
||||
"Latin1", "MacRoman", "cp10000", "Mac", "Roman", "Latin2", "cp1250", "MacLatin2",
|
||||
"cp10029", "Cyrillic", "cp1251", "Russian", "MacCyrillic", "cp10007", "Greek",
|
||||
"cp1253", "MacGreek", "cp10006", "Turkish", "cp1254", "MacTurkish", "cp10081",
|
||||
"Hebrew", "cp1255", "MacRomanian", "cp10010", "Arabic", "cp1256", "MacIceland",
|
||||
"cp10079", "Baltic", "cp1257", "MacCroatian", "cp10082", "Vietnam", "cp1258",);
|
||||
foreach ($encoding as $type => $encoding) {
|
||||
if (in_array($type, $possible_keys) && in_array($encoding, $possible_values)) {
|
||||
$this->encoding[$type] = $encoding;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Getter for the exiftool binary path
|
||||
* Lazy loads the "default" path
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getToolPath()
|
||||
{
|
||||
if (empty($this->toolPath)) {
|
||||
$path = exec('which ' . self::TOOL_NAME);
|
||||
$this->setToolPath($path);
|
||||
}
|
||||
|
||||
return $this->toolPath;
|
||||
}
|
||||
|
||||
/**
|
||||
* Reads & parses the EXIF data from given file
|
||||
*
|
||||
* @param string $file
|
||||
* @return \PHPExif\Exif Instance of Exif object with data
|
||||
* @throws \RuntimeException If the EXIF data could not be read
|
||||
*/
|
||||
public function getExifFromFile($file)
|
||||
{
|
||||
$encoding = '';
|
||||
if (!empty($this->encoding)) {
|
||||
$encoding = '-charset ';
|
||||
foreach ($this->encoding as $key => $value) {
|
||||
$encoding .= escapeshellarg($key).'='.escapeshellarg($value);
|
||||
}
|
||||
}
|
||||
$result = $this->getCliOutput(
|
||||
sprintf(
|
||||
'%1$s%3$s -j -a -G1 %5$s -c %4$s %2$s',
|
||||
$this->getToolPath(),
|
||||
escapeshellarg($file),
|
||||
$this->numeric ? ' -n' : '',
|
||||
escapeshellarg('%d deg %d\' %.4f"'),
|
||||
$encoding
|
||||
)
|
||||
);
|
||||
|
||||
if (!mb_check_encoding($result, "utf-8")) {
|
||||
$result = utf8_encode($result);
|
||||
}
|
||||
$data = json_decode($result, true);
|
||||
if (!is_array($data)) {
|
||||
throw new RuntimeException(
|
||||
'Could not decode exiftool output'
|
||||
);
|
||||
}
|
||||
|
||||
// map the data:
|
||||
$mapper = $this->getMapper();
|
||||
$mapper->setNumeric($this->numeric);
|
||||
$mappedData = $mapper->mapRawData(reset($data));
|
||||
|
||||
// hydrate a new Exif object
|
||||
$exif = new Exif();
|
||||
$hydrator = $this->getHydrator();
|
||||
$hydrator->hydrate($exif, $mappedData);
|
||||
$exif->setRawData(reset($data));
|
||||
|
||||
return $exif;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the output from given cli command
|
||||
*
|
||||
* @param string $command
|
||||
* @return mixed
|
||||
* @throws RuntimeException If the command can't be executed
|
||||
*/
|
||||
protected function getCliOutput($command)
|
||||
{
|
||||
$descriptorspec = array(
|
||||
0 => array('pipe', 'r'),
|
||||
1 => array('pipe', 'w'),
|
||||
2 => array('pipe', 'a')
|
||||
);
|
||||
|
||||
$process = proc_open($command, $descriptorspec, $pipes);
|
||||
|
||||
if (!is_resource($process)) {
|
||||
throw new RuntimeException(
|
||||
'Could not open a resource to the exiftool binary'
|
||||
);
|
||||
}
|
||||
|
||||
$result = stream_get_contents($pipes[1]);
|
||||
fclose($pipes[0]);
|
||||
fclose($pipes[1]);
|
||||
fclose($pipes[2]);
|
||||
|
||||
proc_close($process);
|
||||
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user