'DateTimeOriginal' ); // $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; // use_iptc_mapping : in which IPTC fields will PhpWebGallery find image // information ? This setting is used during metadata synchronisation. It // associates a phpwebgallery_images column name to a IPTC key $conf['use_iptc_mapping'] = array( 'keywords' => '2#025', 'date_creation' => '2#055', 'author' => '2#122', 'name' => '2#005', 'comment' => '2#120' ); // +-----------------------------------------------------------------------+ // | 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[$iptc_key][0])) { if ($iptc_key == '2#025') { $value = implode(',', array_map('clean_iptc_value',$iptc[$iptc_key])); } else { $value = clean_iptc_value($iptc[$iptc_key][0]); } foreach (array_keys($map, $iptc_key) as $pwg_key) { $result[$pwg_key] = $value; } } } } } return $result; } /** * return a cleaned IPTC value * * @param string value * @return string */ function clean_iptc_value($value) { // 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); return $value; } function get_sync_iptc_data($file) { global $conf; $map = $conf['use_iptc_mapping']; $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)) { $value = $matches[1].'-'.$matches[2].'-'.$matches[3]; } } if ($pwg_key == 'keywords') { // official keywords separator is the comma $value = preg_replace('/[.;]/', ',', $value); $value = preg_replace('/^,+|,+$/', '', $value); } $iptc[$pwg_key] = htmlentities($value); } $iptc['keywords'] = implode( ',', array_unique( explode( ',', $iptc['keywords'] ) ) ); 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']); $thumbnails = array(); if (is_dir($dir.'/thumbnail')) { 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; $pictures = array(); if (is_dir($dir.'/pwg_representative')) { 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; } /** * returns an array with high quality/resolution picture files of a directory * according to $conf['picture_ext'] * * @param string $dir * @return array */ function get_high_files($dir) { global $conf; $pictures = array(); if (is_dir($dir.'/pwg_high')) { if ($opendir = opendir($dir.'/pwg_high')) { 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 = ""; global $conf_safe_mode; // Refresh the max_execution_time to avoid timout error // By default time to scan a directory (without subdirs) is fixed to 30 seconds if (!$conf_safe_mode) { set_time_limit(30); } if ($opendir = opendir($basedir)) { while ($file = readdir($opendir)) { if ($file != '.' and $file != '..' and $file != '.svn' 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.''; $dirs.= get_pictures($basedir.'/'.$fs_dir, $indent.' '); $dirs.= get_dirs($basedir.'/'.$fs_dir, $indent.' ', $level + 1); $dirs.= "\n".$indent.''; } 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, $page; // 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); $fs_highs = get_high_files($dir); $elements = array(); $print_dir = preg_replace('/^\.\//', '', $dir); $print_dir = preg_replace('/\/*$/', '/', $print_dir); foreach ($fs_files as $fs_file) { $element = array(); $element['file'] = $fs_file; $element['path'] = $page['url'].$print_dir.$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'] = $ext; break; } } // 2 cases : the element is a picture or not. Indeed, for a picture // thumbnail is mandatory, high is optional and for non picture element, // thumbnail and representative is optionnal if (in_array(get_extension($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'] = $image_size[1]; } if ( in_array($fs_file, $fs_highs) ) { $element['has_high'] = 'true'; } if ($conf['use_exif']) { // Verify activation of exif module if (extension_loaded('exif')) { if ($exif = read_exif_data($dir.'/'.$fs_file)) { foreach ($conf['use_exif_mapping'] as $pwg_key => $exif_key ) { if (isset($exif[$exif_key])) { if ( in_array($pwg_key, array('date_creation','date_available') ) ) { if (preg_match('/^(\d{4}):(\d{2}):(\d{2})/' ,$exif[$exif_key] ,$matches)) { $element[$pwg_key] = $matches[1].'-'.$matches[2].'-'.$matches[3]; } } else { $element[$pwg_key] = $exif[$exif_key]; } } } } } } if ($conf['use_iptc']) { $iptc = get_sync_iptc_data($dir.'/'.$fs_file); if (count($iptc) > 0) { foreach (array_keys($iptc) as $key) { $element[$key] = $iptc[$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.''; $attributes = array('file','tn_ext','representative_ext','filesize', 'width','height','date_creation','author','keywords', 'name','comment','has_high', 'path'); foreach ($elements as $element) { $xml.= "\n".$indent.' '; $xml.= ''; return $xml; } // +-----------------------------------------------------------------------+ // | script | // +-----------------------------------------------------------------------+ if (isset($_GET['action'])) { $page['action'] = $_GET['action']; } else { $page['action'] = ''; } // Looking at the safe_mode configuration for execution time $conf_safe_mode = TRUE; if (ini_get('safe_mode') == 0) { $conf_safe_mode = FALSE; } echo '
';
switch ($page['action'])
{
  case 'generate' :
  {
    $start = get_moment();

    $listing = '


';
  }
}
echo '
';
?>