1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
<?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'\n";
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!\n";
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, ''));
}
}
?>
|
