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diff --git a/tools/create_listing_file.php b/tools/create_listing_file.php
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+<?php
+// +-----------------------------------------------------------------------+
+// | create_listing_file.php |
+// +-----------------------------------------------------------------------+
+// | application : PhpWebGallery <http://phpwebgallery.net> |
+// | branch : BSF (Best So Far) |
+// +-----------------------------------------------------------------------+
+// | file : $RCSfile$
+// | last update : $Date$
+// | last modifier : $Author$
+// | revision : $Revision$
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify |
+// | it under the terms of the GNU General Public License as published by |
+// | the Free Software Foundation |
+// | |
+// | This program is distributed in the hope that it will be useful, but |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
+// | General Public License for more details. |
+// | |
+// | You should have received a copy of the GNU General Public License |
+// | along with this program; if not, write to the Free Software |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA. |
+// +-----------------------------------------------------------------------+
+
+// +-----------------------------------------------------------------------+
+// | parameters |
+// +-----------------------------------------------------------------------+
+
+// prefix for thumbnails in "thumbnail" sub directories
+$conf['prefix_thumbnail'] = 'TN-';
+
+// $conf['file_ext'] lists all extensions (case insensitive) allowed for
+// your PhpWebGallery installation
+$conf['file_ext'] = array('jpg','JPG','png','PNG','gif','GIF','mpg','zip',
+ 'avi','mp3','ogg');
+
+// $conf['picture_ext'] must be a subset of $conf['file_ext']
+$conf['picture_ext'] = array('jpg','JPG','png','PNG','gif','GIF');
+
+// $conf['version'] is used to verify the compatibility of the generated
+// listing.xml file and the PhpWebGallery version you're running
+$conf['version'] = 'BSF';
+
+// $conf['use_exif'] set to true if you want to use Exif Date as "creation
+// date" for the element, otherwise, set to false
+$conf['use_exif'] = true;
+
+// $conf['use_iptc'] set to true if you want to use IPTC informations of the
+// element according to get_sync_iptc_data function mapping, otherwise, set
+// to false
+$conf['use_iptc'] = false;
+
+// +-----------------------------------------------------------------------+
+// | functions |
+// +-----------------------------------------------------------------------+
+
+/**
+ * returns informations from IPTC metadata, mapping is done at the beginning
+ * of the function
+ *
+ * @param string $filename
+ * @return array
+ */
+function get_iptc_data($filename, $map)
+{
+ $result = array();
+
+ // Read IPTC data
+ $iptc = array();
+
+ $imginfo = array();
+ getimagesize($filename, $imginfo);
+
+ if (isset($imginfo['APP13']))
+ {
+ $iptc = iptcparse($imginfo['APP13']);
+ if (is_array($iptc))
+ {
+ $rmap = array_flip($map);
+ foreach (array_keys($rmap) as $iptc_key)
+ {
+ if (isset($iptc[$iptc_key][0]) and $value = $iptc[$iptc_key][0])
+ {
+ // strip leading zeros (weird Kodak Scanner software)
+ while ($value[0] == chr(0))
+ {
+ $value = substr($value, 1);
+ }
+ // remove binary nulls
+ $value = str_replace(chr(0x00), ' ', $value);
+
+ foreach (array_keys($map, $iptc_key) as $pwg_key)
+ {
+ $result[$pwg_key] = $value;
+ }
+ }
+ }
+ }
+ }
+ return $result;
+}
+
+function get_sync_iptc_data($file)
+{
+ $map = array(
+ 'keywords' => '2#025',
+ 'date_creation' => '2#055',
+ 'author' => '2#122',
+ 'name' => '2#085',
+ 'comment' => '2#120'
+ );
+ $datefields = array('date_creation', 'date_available');
+
+ $iptc = get_iptc_data($file, $map);
+
+ foreach ($iptc as $pwg_key => $value)
+ {
+ if (in_array($pwg_key, $datefields))
+ {
+ if ( preg_match('/(\d{4})(\d{2})(\d{2})/', $value, $matches))
+ {
+ $iptc[$pwg_key] = $matches[1].'-'.$matches[2].'-'.$matches[3];
+ }
+ }
+ }
+
+ return $iptc;
+}
+
+/**
+ * returns a float value coresponding to the number of seconds since the
+ * unix epoch (1st January 1970) and the microseconds are precised :
+ * e.g. 1052343429.89276600
+ *
+ * @return float
+ */
+function get_moment()
+{
+ $t1 = explode(' ', microtime());
+ $t2 = explode('.', $t1[0]);
+ $t2 = $t1[1].'.'.$t2[1];
+ return $t2;
+}
+
+/**
+ * returns the number of seconds (with 3 decimals precision) between the
+ * start time and the end time given.
+ *
+ * @param float start
+ * @param float end
+ * @return void
+ */
+function get_elapsed_time($start, $end)
+{
+ return number_format($end - $start, 3, '.', ' ').' s';
+}
+
+/**
+ * returns an array with all picture files according to $conf['file_ext']
+ *
+ * @param string $dir
+ * @return array
+ */
+function get_pwg_files($dir)
+{
+ global $conf;
+
+ $pictures = array();
+ if ($opendir = opendir($dir))
+ {
+ while ($file = readdir($opendir))
+ {
+ if (in_array(get_extension($file), $conf['file_ext']))
+ {
+ array_push($pictures, $file);
+ if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file))
+ {
+ echo 'PWG-WARNING-2: "'.$file.'" : ';
+ echo 'The name of the file should be composed of ';
+ echo 'letters, figures, "-", "_" or "." ONLY';
+ echo "\n";
+ }
+ }
+ }
+ }
+ return $pictures;
+}
+
+/**
+ * returns an array with all thumbnails according to $conf['picture_ext']
+ * and $conf['prefix_thumbnail']
+ *
+ * @param string $dir
+ * @return array
+ */
+function get_thumb_files($dir)
+{
+ global $conf;
+
+ $prefix_length = strlen($conf['prefix_thumbnail']);
+
+ $thumbnails = array();
+ if ($opendir = @opendir($dir.'/thumbnail'))
+ {
+ while ($file = readdir($opendir))
+ {
+ if (in_array(get_extension($file), $conf['picture_ext'])
+ and substr($file,0,$prefix_length) == $conf['prefix_thumbnail'])
+ {
+ array_push($thumbnails, $file);
+ }
+ }
+ }
+ return $thumbnails;
+}
+
+/**
+ * returns an array with representative picture files of a directory
+ * according to $conf['picture_ext']
+ *
+ * @param string $dir
+ * @return array
+ */
+function get_representative_files($dir)
+{
+ global $conf;
+
+ $pictures = array();
+ if ($opendir = @opendir($dir.'/pwg_representative'))
+ {
+ while ($file = readdir($opendir))
+ {
+ if (in_array(get_extension($file), $conf['picture_ext']))
+ {
+ array_push($pictures, $file);
+ }
+ }
+ }
+ return $pictures;
+}
+
+/**
+ * search in $basedir the sub-directories and calls get_pictures
+ *
+ * @return void
+ */
+function get_dirs($basedir, $indent, $level)
+{
+ $fs_dirs = array();
+ $dirs = "";
+
+ if ($opendir = opendir($basedir))
+ {
+ while ($file = readdir($opendir))
+ {
+ if ($file != '.'
+ and $file != '..'
+ and $file != 'thumbnail'
+ and $file != 'pwg_high'
+ and $file != 'pwg_representative'
+ and is_dir ($basedir.'/'.$file))
+ {
+ array_push($fs_dirs, $file);
+ if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file))
+ {
+ echo 'PWG-WARNING-1: "'.$file.'" : ';
+ echo 'The name of the directory should be composed of ';
+ echo 'letters, figures, "-", "_" or "." ONLY';
+ echo "\n";
+ }
+ }
+ }
+ }
+ // write of the dirs
+ foreach ($fs_dirs as $fs_dir)
+ {
+ $dirs.= "\n".$indent.'<dir'.$level.' name="'.$fs_dir.'">';
+ $dirs.= get_pictures($basedir.'/'.$fs_dir, $indent.' ');
+ $dirs.= get_dirs($basedir.'/'.$fs_dir, $indent.' ', $level + 1);
+ $dirs.= "\n".$indent.'</dir'.$level.'>';
+ }
+ return $dirs;
+}
+
+// get_extension returns the part of the string after the last "."
+function get_extension($filename)
+{
+ return substr(strrchr($filename, '.'), 1, strlen ($filename));
+}
+
+// get_filename_wo_extension returns the part of the string before the last
+// ".".
+// get_filename_wo_extension('test.tar.gz') -> 'test.tar'
+function get_filename_wo_extension($filename)
+{
+ return substr($filename, 0, strrpos($filename, '.'));
+}
+
+function get_pictures($dir, $indent)
+{
+ global $conf;
+
+ // fs means FileSystem : $fs_files contains files in the filesystem found
+ // in $dir that can be managed by PhpWebGallery (see get_pwg_files
+ // function), $fs_thumbnails contains thumbnails, $fs_representatives
+ // contains potentially representative pictures for non picture files
+ $fs_files = get_pwg_files($dir);
+ $fs_thumbnails = get_thumb_files($dir);
+ $fs_representatives = get_representative_files($dir);
+
+ $elements = array();
+
+ foreach ($fs_files as $fs_file)
+ {
+ $element = array();
+ $element['file'] = $fs_file;
+ $element['filesize'] = floor(filesize($dir.'/'.$fs_file) / 1024);
+
+ $file_wo_ext = get_filename_wo_extension($fs_file);
+
+ foreach ($conf['picture_ext'] as $ext)
+ {
+ $test = $conf['prefix_thumbnail'].$file_wo_ext.'.'.$ext;
+ if (!in_array($test, $fs_thumbnails))
+ {
+ continue;
+ }
+ else
+ {
+ $element['tn_ext'] = $ext;
+ break;
+ }
+ }
+
+ // 2 cases : the element is a picture or not. Indeed, for a picture
+ // thumbnail is mandatory and for non picture element, thumbnail and
+ // representative is optionnal
+ if (in_array(get_extension($fs_file), $conf['picture_ext']))
+ {
+ // if we found a thumnbnail corresponding to our picture...
+ if (isset($element['tn_ext']))
+ {
+ if ($image_size = @getimagesize($dir.'/'.$fs_file))
+ {
+ $element['width'] = $image_size[0];
+ $element['height'] = $image_size[1];
+ }
+
+ if ($conf['use_exif'])
+ {
+ if ($exif = @read_exif_data($dir.'/'.$fs_file))
+ {
+ if (isset($exif['DateTime']))
+ {
+ preg_match('/^(\d{4}):(\d{2}):(\d{2})/'
+ ,$exif['DateTime']
+ ,$matches);
+ $element['date_creation'] =
+ $matches[1].'-'.$matches[2].'-'.$matches[3];
+ }
+ }
+ }
+
+ if ($conf['use_iptc'])
+ {
+ $iptc = get_sync_iptc_data($dir.'/'.$fs_file);
+ if (count($iptc) > 0)
+ {
+ foreach (array_keys($iptc) as $key)
+ {
+ $element[$key] = addslashes($iptc[$key]);
+ }
+ }
+ }
+
+ array_push($elements, $element);
+ }
+ else
+ {
+ echo 'PWG-ERROR-1: The thumbnail is missing for '.$dir.'/'.$fs_file;
+ echo '-> '.$dir.'/thumbnail/';
+ echo $conf['prefix_thumbnail'].$file_wo_ext.'.xxx';
+ echo ' ("xxx" can be : ';
+ echo implode(', ', $conf['picture_ext']);
+ echo ')'."\n";
+ }
+ }
+ else
+ {
+ foreach ($conf['picture_ext'] as $ext)
+ {
+ $candidate = $file_wo_ext.'.'.$ext;
+ if (!in_array($candidate, $fs_representatives))
+ {
+ continue;
+ }
+ else
+ {
+ $element['representative_ext'] = $ext;
+ break;
+ }
+ }
+
+ array_push($elements, $element);
+ }
+ }
+
+ $xml = "\n".$indent.'<root>';
+ $attributes = array('file','tn_ext','representative_ext','filesize',
+ 'width','height','date_creation','author','keywords',
+ 'name','comment');
+ foreach ($elements as $element)
+ {
+ $xml.= "\n".$indent.' ';
+ $xml.= '<element';
+ foreach ($attributes as $attribute)
+ {
+ if (isset($element{$attribute}))
+ {
+ $xml.= ' '.$attribute.'="'.$element{$attribute}.'"';
+ }
+ }
+ $xml.= ' />';
+ }
+ $xml.= "\n".$indent.'</root>';
+
+ return $xml;
+}
+
+// +-----------------------------------------------------------------------+
+// | script |
+// +-----------------------------------------------------------------------+
+if (isset($_GET['action']))
+{
+ $page['action'] = $_GET['action'];
+}
+else
+{
+ $page['action'] = 'generate';
+}
+echo '<pre>';
+switch ($page['action'])
+{
+ case 'generate' :
+ {
+ $start = get_moment();
+
+ $listing = '<informations';
+ $listing.= ' generation_date="'.date('Y-m-d').'"';
+ $listing.= ' phpwg_version="'.$conf{'version'}.'"';
+
+ $end = strrpos($_SERVER['PHP_SELF'], '/') + 1;
+ $local_folder = substr($_SERVER['PHP_SELF'], 0, $end);
+ $url = 'http://'.$_SERVER['HTTP_HOST'].$local_folder;
+
+ $listing.= ' url="'.$url.'"';
+ $listing.= '/>'."\n";
+
+ $listing.= get_dirs('.', '', 0);
+
+ if ($fp = @fopen("./listing.xml","w"))
+ {
+ fwrite($fp, $listing);
+ fclose($fp);
+ echo 'PWG-INFO-1: listing.xml created in ';
+ echo get_elapsed_time($start, get_moment());
+ echo "\n";
+ }
+ else
+ {
+ echo "PWG-ERROR-2: I can't write the file listing.xml"."\n";
+ }
+ break;
+ }
+ case 'test' :
+ {
+ if (isset($_GET['version']))
+ {
+ if ($_GET['version'] != $conf['version'])
+ {
+ echo 'PWG-ERROR-4: PhpWebGallery versions differs'."\n";
+ }
+ else
+ {
+ echo 'PWG-INFO-2: test successful'."\n";
+ }
+ }
+ else
+ {
+ echo 'PWG-INFO-2: test successful'."\n";
+ }
+ break;
+ }
+ case 'clean' :
+ {
+ if( @unlink('./listing.xml'))
+ {
+ echo 'PWG-INFO-3 : listing.xml file deleted'."\n";
+ }
+ else
+ {
+ echo 'PWG-ERROR-3 : listing.xml does not exist'."\n";
+ }
+ break;
+ }
+}
+echo '</pre>';
+?>