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sources/apps/files_external/3rdparty/irodsphp/prods/utilities/exif2meta.php
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<?php
// reset the connection parameters below
$host = 'rt.sdsc.edu';
$port = 1247;
$user = 'rods';
$pass = 'RODS';
/**
* This simple script reads JPEG/TIFF files stored in iRODS, extract
* its EXIF information, and set it as userdefined metadata.
* Note: EXIF php module is required for this program to work properly
* http://us2.php.net/manual/en/ref.exif.php
*
* Example: php -f exif2meta.php /tempZone/home/rods/test2/RIMG0087.jpg
*/
//----------don't modify below this line!! -----------
require_once("../src/Prods.inc.php");
$target_file = $argv[1];
try {
$account = new RODSAccount($host, $port, $user, $pass);
$irodsfile = new ProdsFile($account, $target_file, true);
$metas = $irodsfile->getMeta();
$metaalreadyset = false;
foreach ($metas as $meta) {
if ($meta->name == 'EXIF.ExifVersion') {
$metaalreadyset = true;
break;
}
}
if ($metaalreadyset === true) {
$time = '[' . date('c') . ']';
echo "$time 0: metadata already set for '$target_file'
";
exit(0);
}
// download file from irods to tmp
$localfile = '/tmp/' . basename($target_file);
if (file_exists($localfile))
unlink($localfile);
$irodsfile->open("r");
$str = '';
while ((($buffer = $irodsfile->read(1024 * 1024)) != NULL) &&
(connection_status() == 0)) {
$str = $str . $buffer;
}
$irodsfile->close();
file_put_contents($localfile, $str);
extactExif($localfile, $irodsfile);
if (file_exists($localfile))
unlink($localfile);
$time = '[' . date('c') . ']';
echo "$time 0: '$target_file' processed!
";
exit(0);
} catch (Exception $e) {
if (file_exists($localfile))
unlink($localfile);
$time = '[' . date('c') . ']';
echo "$time " . $e->getCode() . ": " . "$e";
exit(-1);
}
function extactExif($localfile, $remoteRODSfile)
{
$exif = exif_read_data($localfile, 'EXIF');
if ($exif === false) return;
foreach ($exif as $name => $val) {
// replace ascii char that can't be displayed, which causes problem in irods
if ((!is_array($val)) && (is_string($val)) &&
((ord($val[0]) < 32) || (ord($val[0]) > 126)) &&
($name != 'UserComment')
) {
$val = '__undefined__';
}
if ($name == 'THUMBNAIL') {
foreach ($val as $tname => $tval)
$remoteRODSfile->addMeta(new RODSMeta(
'EXIF.THUMBNAIL.' . $tname, $tval, ''));
} else
if ($name == 'COMPUTED') {
foreach ($val as $cname => $cval) {
if ($cname == 'html') {
//skip html tag, because there is a irods server bug that corrupting string with
//double quotes: 'COMPUTED.html: width="3264" height="2448"'
} else
$remoteRODSfile->addMeta(new RODSMeta(
'EXIF.COMPUTED.' . $cname, $cval, ''));
}
} else
if ($name == 'MakerNote') {
//skip makernote
} else
if ($name == 'ComponentsConfiguration') {
//skip ComponentsConfiguration, because there is a irods server bug that corrupting string with
} else
if ($name == 'UserComment') {
if (($start = strpos($val, 'GCM_TAG')) !== false) {
$str = substr($val, $start + strlen('GCM_TAG'));
$gcm_tokens = explode(chr(0), $str);
$gcm_counter = 0;
foreach ($gcm_tokens as $gcm_tag) {
if ((strlen($gcm_tag) > 0) && (preg_match('/^[' . chr(32) . '-' . chr(126) . ']+$/', $gcm_tag))) {
$remoteRODSfile->addMeta(new RODSMeta(
'EXIF.UserComment' . $gcm_counter++, $gcm_tag, ''));
}
}
} else {
if (strlen($val) < 1)
$str = ' ';
//replace no displable char
$str = preg_replace('/[^' . chr(32) . '-' . chr(126) . ']+/', ' ', $val);
$remoteRODSfile->addMeta(new RODSMeta(
'EXIF.UserComment', $str, ''));
}
} else
if (is_array($val)) {
foreach ($val as $cname => $cval) {
$remoteRODSfile->addMeta(new RODSMeta(
"EXIF.$name." . $cname, $cval, ''));
}
} else
$remoteRODSfile->addMeta(new RODSMeta(
'EXIF.' . $name, $val, ''));
}
}
?>
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