<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based picture gallery | // +-----------------------------------------------------------------------+ // | Copyright(C) 2008-2010 Piwigo Team http://piwigo.org | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | // +-----------------------------------------------------------------------+ // | 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. | // +-----------------------------------------------------------------------+ // +-----------------------------------------------------------------------+ // | User configuration | // +-----------------------------------------------------------------------+ // ****** Gallery configuration ****** // // Script version $conf['version'] = 'Colibri'; // URL of main gallery // Example : http://www.my.domain/my/directory $conf['gallery'] = 'http://piwigo.org/demo'; // prefix for thumbnails in "thumbnail" sub directories $conf['prefix_thumbnail'] = 'TN-'; // $conf['file_ext'] lists all extensions (case insensitive) allowed // for your Piwigo installation $conf['file_ext'] = array('jpg','JPG','jpeg','JPEG', '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','jpeg','JPEG', 'png','PNG','gif','GIF'); // ****** Time limitation functionality ****** // // max execution time before refresh in seconds $conf['max_execution_time'] = (5*ini_get('max_execution_time'))/6; // 25 seconds with default PHP configuration // force the use of refresh method // in order to have live informations // or // to fix system witch are not safe mode but not autorized set_time_limit $conf['force_refresh_method'] = true; // refresh delay is seconds $conf['refresh_delay'] = 0; // ****** EXIF support functionality ****** // // $conf['use_exif'] set to true if you want to use Exif information $conf['use_exif'] = true; // use_exif_mapping: same behaviour as use_iptc_mapping $conf['use_exif_mapping'] = array( 'date_creation' => 'DateTimeOriginal' ); // ****** IPTC support functionality ****** // // $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 Piwigo find image // information ? This setting is used during metadata synchronisation. It // associates a piwigo_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'); // ****** Directory protection functionality ****** // // Define if directories have to be protected if they are not $conf['protect'] = false; // true/false : show/hide warnings $conf['protect_warnings'] = true; // ****** Thumbnails generation functionality ****** // // Define if images have to be reduced if they are not $conf['thumbnail'] = false; // Define method to generate thumbnails : // - fixed (width and height required); // - width (only width required); // - height (only height required); // - ratio (only ratio is required) // - exif (no other parameter required) $conf['thumbnail_method'] = 'ratio'; // Height in pixels (greater than 0) $conf['thumbnail_height'] = 128; // Width in pixels (greater than 0) $conf['thumbnail_width'] = 128; // Ratio between original and thumbnail size (strictly between 0 and 1) $conf['thumbnail_ratio'] = 0.2; // Define thumbnail format : jpeg, png or gif (will be verified) $conf['thumbnail_format'] = 'jpeg'; // ****** Directory mapping ****** // // directories names $conf['thumbs'] = 'thumbnail'; // thumbnails $conf['high'] = 'pwg_high'; // high resolution $conf['represent'] = 'pwg_representative'; // non pictures representative files // +-----------------------------------------------------------------------+ // | Overload configurations | // +-----------------------------------------------------------------------+ @include(dirname(__FILE__).'/'.basename(__FILE__, '.php').'_local.inc.php'); // +-----------------------------------------------------------------------+ // | Advanced script configuration | // +-----------------------------------------------------------------------+ // url of icon directory in yoga template $pwg_conf['icon_dir'] = $conf['gallery'].'/template/yoga/icon/'; // list of actions managed by this script $pwg_conf['scan_action'] = array('clean', 'test', 'generate'); // url of this script $pwg_conf['this_url'] = (empty($_SERVER['HTTPS']) ? 'http://' : 'https://') .str_replace(':'.$_SERVER['SERVER_PORT'], '', $_SERVER['HTTP_HOST']) .($_SERVER['SERVER_PORT'] != 80 ? ':'.$_SERVER['SERVER_PORT'] : '') .$_SERVER['PHP_SELF']; // list of reserved directory names $pwg_conf['reserved_directory_names'] = array($conf['thumbs'], $conf['high'], $conf['represent'], ".", "..", ".svn"); // content of index.php generated in protect action $pwg_conf['protect_content'] = '<?php header("Location: '.$conf['gallery'].'") ?>'; // backup of PHP safe_mode INI parameter (used for time limitation) $pwg_conf['safe_mode'] = (ini_get('safe_mode') == '1') ? true : false; // This parameter will be fixed in pwg_init() $pwg_conf['gd_version_major'] = ''; $pwg_conf['gd_version_full'] = ''; $pwg_conf['gd_supported_format'] = array(); // +-----------------------------------------------------------------------+ // | Functions | // +-----------------------------------------------------------------------+ /** * write line in log file * * @param string line * @return string */ function pwg_log($line) { $log_file = fopen(__FILE__.'.log', 'a'); fwrite($log_file, $line); fclose($log_file); } /** * Check web server graphical capabilities * * @return string */ function pwg_check_graphics() { //~ pwg_log('>>>>> pwg_check_graphics() >>>>>'."\n"); global $conf, $pwg_conf; $log = ''; // Verify gd library for thumbnail generation if ($conf['thumbnail'] and !is_callable('gd_info')) { $log .= ' <code class="warning">Warning -</code> Your server can not generate thumbnails. Thumbnail creation switched off.<br />'."\n"; // Switch off thumbnail generation $conf['thumbnail'] = false; return $log; } // Verify thumnail format if ($conf['thumbnail']) { $info = gd_info(); // Backup GD major version $pwg_conf['gd_version_full'] = preg_replace('/[[:alpha:][:space:]()]+/', '', $info['GD Version']); list($pwg_conf['gd_version_major']) = preg_split('/[.]+/', $pwg_conf['gd_version_full']); // Backup input/output format support array_push($pwg_conf['gd_supported_format'], (isset($info['JPG Support']) and $info['JPG Support']) or (isset($info['JPEG Support']) and $info['JPEG Support']) ? 'jpeg' : NULL); array_push($pwg_conf['gd_supported_format'], $info['PNG Support'] ? 'png' : NULL); array_push($pwg_conf['gd_supported_format'], ($info['GIF Read Support'] and $info['GIF Create Support']) ? 'gif' : NULL); // Check output format support if (!in_array($conf['thumbnail_format'], $pwg_conf['gd_supported_format'])) { $log .= ' <code class="warning">Warning -</code> Your server does not support thumbnail\'s <code>'; $log .= $conf['thumbnail_format'].'</code> format. Thumbnail creation switched off.<br />'."\n"; } switch ($conf['thumbnail_method']) { case 'exif': { // exif_thumbnail() must be callable if (!is_callable('exif_thumbnail')) { $log .= ' <code class="warning">Warning -</code> Your server does not support thumbnail creation through EXIF datas. Thumbnail creation switched off.<br />'."\n"; } break; } case 'fixed': { // $conf['thumbnail_width'] > 0 if (!is_numeric($conf['thumbnail_width']) or $conf['thumbnail_width'] <= 0) { $log .= ' <code class="failure">Failure -</code> Bad value <code>thumbnail_width = '; $log .= var_export($conf['thumbnail_width'], true).'</code>. Thumbnail creation switched off.<br />'."\n"; } // $conf['thumbnail_height'] > 0 if (!is_numeric($conf['thumbnail_height']) or $conf['thumbnail_height'] <= 0) { $log .= ' <code class="failure">Failure -</code> Bad value <code>thumbnail_height = '; $log .= var_export($conf['thumbnail_height'], true).'</code>. Thumbnail creation switched off.<br />'."\n"; } break; } case 'ratio': { // 0 < $conf['thumbnail_ratio'] < 1 if (!is_numeric($conf['thumbnail_ratio']) or $conf['thumbnail_ratio'] <= 0 or $conf['thumbnail_ratio'] >= 1) { $log .= ' <code class="failure">Failure -</code> Bad value <code>thumbnail_ratio = '; $log .= var_export($conf['thumbnail_ratio'], true).'</code>. Thumbnail creation switched off.<br />'."\n"; } break; } case 'width': { // $conf['thumbnail_width'] > 0 if (!is_numeric($conf['thumbnail_width']) or $conf['thumbnail_width'] <= 0) { $log .= ' <code class="failure">Failure -</code> Bad value <code>thumbnail_width = '; $log .= var_export($conf['thumbnail_width'], true).'</code>. Thumbnail creation switched off.<br />'."\n"; } break; } case 'height': { // $conf['thumbnail_height'] > 0 if (!is_numeric($conf['thumbnail_height']) or $conf['thumbnail_height'] <= 0) { $log .= ' <code class="failure">Failure -</code> Bad value <code>thumbnail_height = '; $log .= var_export($conf['thumbnail_height'], true).'</code>. Thumbnail creation switched off.<br />'."\n"; } break; } default: { // unknown method $log .= ' <code class="failure">Failure -</code> Bad value <code>thumbnail_method = '; $log .= var_export($conf['thumbnail_method'], true).'</code>. Thumbnail creation switched off.<br />'."\n"; break; } } if (strlen($log)) { $conf['thumbnail'] = false; } } //~ pwg_log('<<<<< pwg_check_graphics() returns '.var_export($log, TRUE).' <<<<<'."\n"); return $log; } /** * returns xml </dirX> lines * * @param integer $dir_start * @param integer $dir_number * @return string */ function pwg_close_level($dir_start, $dir_number) { //~ pwg_log('>>>>> pwg_close_level($dir_start = '.var_export($dir_start, TRUE).', $dir_number = '.var_export($dir_number, TRUE).') >>>>>'."\n"); $lines =''; do { $lines .= str_repeat(' ', 2*$dir_start).'</dir'.$dir_start.">\n"; $dir_number--; $dir_start--; } while(($dir_number > 0) && ($dir_start >= 0)); //~ pwg_log('<<<<< pwg_close_level returns '.var_export($lines, TRUE).' <<<<<'."\n"); return $lines; } /** * return a cleaned IPTC value * * @param string value * @return string */ function pwg_clean_iptc_value($value) { //~ pwg_log('>>>>> pwg_clean_iptc_value ($value = '.var_export($value, TRUE).') >>>>>'."\n"); // strip leading zeros (weird Kodak Scanner software) while (isset($value[0]) and $value[0] == chr(0)) { $value = substr($value, 1); } // remove binary nulls $value = str_replace(chr(0x00), ' ', $value); //~ pwg_log('<<<<< pwg_clean_iptc_value() returns '.var_export($value, TRUE).' <<<<<'."\n"); return $value; } /** * returns informations from IPTC metadata, mapping is done at the beginning * of the function * * @param string $filename * @param string $map * @return array */ function pwg_get_iptc_data($filename, $map) { //~ pwg_log('>>>>> pwg_get_iptc_data ($filename = '.var_export($filename, TRUE).', $map = '.var_export($map, TRUE).') >>>>>'."\n"); $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('pwg_clean_iptc_value', $iptc[$iptc_key])); } else { $value = pwg_clean_iptc_value($iptc[$iptc_key][0]); } foreach (array_keys($map, $iptc_key) as $pwg_key) { $result[$pwg_key] = $value; } } } } } //~ pwg_log('<<<<< pwg_get_iptc_data() returns '.var_export($result, TRUE).' <<<<<'."\n"); return $result; } /** * returns informations from IPTC metadata * * @param string $file * @return array iptc */ function pwg_get_sync_iptc_data($file) { //~ pwg_log('>>>>> pwg_get_sync_iptc_data ($file = '.var_export($file, TRUE).') >>>>>'."\n"); global $conf; $map = $conf['use_iptc_mapping']; $datefields = array('date_creation', 'date_available'); $iptc = pwg_get_iptc_data($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); } $iptc['keywords'] = isset($iptc['keywords']) ? implode(',', array_unique(explode(',', $iptc['keywords']))) : NULL; //~ pwg_log('<<<<< pwg_get_sync_iptc_data() returns '.var_export($iptc, TRUE).' <<<<<'."\n"); return $iptc; } /** * return extension of the representative file * * @param string $file_dir * @param string $file_short * @return string */ function pwg_get_representative_ext($file_dir, $file_short) { //~ pwg_log('>>>>> pwg_get_representative_ext($file_dir = '.var_export($file_dir, TRUE).', $file_short = '.var_export($file_short, TRUE).') >>>>>'."\n"); global $conf; $rep_ext = ''; foreach ($conf['picture_ext'] as $ext) { if (file_exists($file_dir.'/'.$conf['represent'].'/'.$file_short.'.'.$ext)) { $rep_ext = $ext; break; } } //~ pwg_log('<<<<< pwg_get_representative_ext() returns '.var_export($rep_ext, TRUE).' <<<<<'."\n"); return $rep_ext; } /** * return 'true' if high resolution picture exists else '' * * @param string $file_dir * @param string $file_base * @return boolean */ function pwg_get_high($file_dir, $file_base) { //~ pwg_log('>>>>> pwg_get_high($file = '.var_export($file_dir, TRUE).', $line = '.var_export($file_base, TRUE).') >>>>>'."\n"); global $conf; $high = false; if (file_exists($file_dir.'/'.$conf['high'].'/'.$file_base)) { $high = true; } //~ pwg_log('<<<<< pwg_get_high() returns '.var_export($high, TRUE).' <<<<<'."\n"); return $high; } /** * return filename without extension * * @param string $filename * @return string */ function pwg_get_filename_wo_extension($filename) { //~ pwg_log('>>>>> _get_filename_wo_extension($filename = '.var_export($filename, TRUE).') >>>>>'."\n"); $short_name = substr($filename, 0, strrpos($filename, '.')); //~ pwg_log('<<<<< _get_filename_wo_extension() returns '.var_export($short_name, TRUE).' <<<<<'."\n"); return $short_name; } /** * return extension of the thumbnail and complete error_log * * @param string $file_dir * @param string $file_short * @param string $file_ext * @param string &$error_log * @return string */ function pwg_get_thumbnail_ext($file_dir, $file_short, $file_ext, &$error_log, &$icon_log) { //~ pwg_log('>>>>> pwg_get_thumbnail_ext($file_dir = '.var_export($file_dir, TRUE).', $file_short = '.var_export($file_short, TRUE).') >>>>>'."\n"); global $conf; $thumb_ext = ''; foreach ($conf['picture_ext'] as $ext) { if (file_exists($file_dir.'/'.$conf['thumbs'].'/'.$conf['prefix_thumbnail'].$file_short.'.'.$ext)) { $thumb_ext = $ext; break; } } if ($thumb_ext == '') { if ($conf['thumbnail']) { $log = pwg_icon_file($file_dir, $file_short, $file_ext); if (strpos($log, 'success')) { $thumb_ext = $conf['thumbnail_format']; } $icon_log .= $log; } } //~ pwg_log('<<<<< pwg_get_thumbnail_ext() returns '.var_export($thumb_ext, TRUE).' <<<<<'."\n"); return $thumb_ext; } /** * return error logs * * @param string $file_dir * @param string $file_short * @param string $file_ext * @return string */ function pwg_icon_file($file_dir, $file_short, $file_ext) { //~ pwg_log('>>>>> pwg_icon_file($file_dir = '.var_export($file_dir, TRUE).', $file_short = '.var_export($file_short, TRUE).') >>>>>'."\n"); global $conf, $pwg_conf; $error_log = ''; // Create thumbnail directory if not exists if (!file_exists($file_dir.'/'.$conf['thumbs'])) { mkdir($file_dir.'/'.$conf['thumbs']); } // Get original properties (width, height) if ($image_size = getimagesize($file_dir.'/'.$file_short.'.'.$file_ext)) { $src_width = $image_size[0]; $src_height = $image_size[1]; } else { $error_log .= ' <code class="failure">Failure -</code> Can not generate icon for <code>'; $error_log .= $file_dir.'/'.$file_short.'.'.$file_ext.'</code>'; $error_log .= ' <img src="'.$pwg_conf['icon_dir'].'add_tag.png" title="width/height are unreadable" /><br />'."\n"; return $error_log; } // Check input format $dst_format = $conf['thumbnail_format']; $src_format = ($file_ext == 'jpg' or $file_ext == 'JPG') ? 'jpeg' : strtolower($file_ext); if (!in_array($src_format, $pwg_conf['gd_supported_format'])) { $error_log .= ' <code class="failure">Failure -</code> Can not generate icon for <code>'; $error_log .= $file_dir.'/'.$file_short.'.'.$file_ext.'</code>'; $error_log .= ' <img src="'.$pwg_conf['icon_dir'].'add_tag.png" title="format not supported" /><br />'."\n"; return $error_log; } // Calculate icon properties (width, height) switch ($conf['thumbnail_method']) { case 'fixed': { $dst_width = $conf['thumbnail_width']; $dst_height = $conf['thumbnail_height']; break; } case 'width': { $dst_width = $conf['thumbnail_width']; $dst_height = $dst_width * $src_height / $src_width; break; } case 'height': { $dst_height = $conf['thumbnail_height']; $dst_width = $dst_height * $src_width / $src_height; break; } case 'ratio': { $dst_width = round($src_width * $conf['thumbnail_ratio']); $dst_height = round($src_height * $conf['thumbnail_ratio']); break; } case 'exif': default: { // Nothing to do } } // Creating icon if ($conf['thumbnail_method'] == 'exif') { $src = exif_thumbnail($file_dir.'/'.$file_short.'.'.$file_ext, $width, $height, $imagetype); if ($src === false) { $error_log .= ' <code class="failure">Failure -</code> No EXIF thumbnail in <code>'; $error_log .= $file_dir.'/'.$file_short.'.'.$file_ext.'</code><br />'."\n"; return $error_log; } $dst = imagecreatefromstring($src); if ($src === false) { $error_log .= ' <code class="failure">Failure -</code> EXIF thumbnail format not supported in <code>'; $error_log .= $file_dir.'/'.$file_short.'.'.$file_ext.'</code><br />'."\n"; return $error_log; } } else { if (($pwg_conf['gd_version_major'] != 2)) // or ($conf['thumbnail_format'] == 'gif')) { $dst = imagecreate($dst_width, $dst_height); } else { $dst = imagecreatetruecolor($dst_width, $dst_height); } $src = call_user_func('imagecreatefrom'.$src_format, $file_dir.'/'.$file_short.'.'.$file_ext); if (!$src) { $error_log .= ' <code class="failure">Failure -</code> Internal error for <code>imagecreatefrom'.$src_format.'()</code>'; $error_log .= 'with <code>'.$file_dir.'/'.$file_short.'.'.$file_ext.'</code><br />'."\n"; return $error_log; } if (($pwg_conf['gd_version_major'] != 2)) { if (!imagecopyresized($dst, $src, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height)) { $error_log .= ' <code class="failure">Failure -</code> Internal error for <code>imagecopyresized()</code>'; $error_log .= 'with <code>'.$file_dir.'/'.$file_short.'.'.$file_ext.'</code><br />'."\n"; return $error_log; } } else { if (!imagecopyresampled($dst, $src, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height)) { $error_log .= ' <code class="failure">Failure -</code> Internal error for <code>imagecopyresampled()</code>'; $error_log .= 'with <code>'.$file_dir.'/'.$file_short.'.'.$file_ext.'</code><br />'."\n"; return $error_log; } } } if (!call_user_func('image'.$dst_format, $dst, $file_dir.'/'.$conf['thumbs'].'/'.$conf['prefix_thumbnail'].$file_short.'.'.$conf['thumbnail_format'])) { $error_log .= ' <code class="failure">Failure -</code> Can not write <code>'; $error_log .= $file_dir.'/'.$conf['thumbs'].'/'.$conf['prefix_thumbnail'].$file_short.'.'.$file_ext.'</code> to generate thumbnail<br />'."\n"; return $error_log; } $error_log .= ' <code class="success">Success -</code> Thumbnail generated for <code>'; $error_log .= $file_dir.'/'.$file_short.'.'.$file_ext.'</code><br />'."\n"; //~ pwg_log('<<<<< pwg_icon_file() returns '.var_export($error_log, TRUE).' <<<<<'."\n"); return $error_log; } /** * completes xml line <element .../> and returns error log * * @param string $file * @param string &$line * @return string */ function pwg_scan_file($file_full, &$line) { //~ pwg_log('>>>>> pwg_scan_file($file = '.var_export($file_full, TRUE).', $line = '.var_export($line, TRUE).') >>>>>'."\n"); global $conf, $pwg_conf; $error_log =''; $icon_log = ''; $file_base = basename($file_full); $file_short = pwg_get_filename_wo_extension($file_base); $file_ext = pwg_get_file_extension($file_base); $file_dir = dirname($file_full); $element['file'] = $file_base; $element['path'] = dirname($pwg_conf['this_url']).substr($file_dir, 1).'/'.$file_base; if (in_array($file_ext, $conf['picture_ext'])) { // Here we scan a picture : thumbnail is mandatory, high is optionnal, representative is not scanned $element['tn_ext'] = pwg_get_thumbnail_ext($file_dir, $file_short, $file_ext, $error_log, $icon_log); if ($element['tn_ext'] != '') { // picture has a thumbnail, get image width, heigth, size in Mo $element['filesize'] = floor(filesize($file_full) / 1024); if ($image_size = getimagesize($file_full)) { $element['width'] = $image_size[0]; $element['height'] = $image_size[1]; } // get high resolution if (pwg_get_high($file_dir, $file_base)) { $element['has_high'] = 'true'; $high_file = $file_dir.'/'.$conf['high'].'/'.$file_base; $element['high_filesize'] = floor(filesize($high_file) / 1024); } // get EXIF meta datas if ($conf['use_exif']) { // Verify activation of exif module if (extension_loaded('exif')) { if ($exif = read_exif_data($file_full)) { foreach ($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]; } } } } } } // get IPTC meta datas if ($conf['use_iptc']) { $iptc = pwg_get_sync_iptc_data($file_full); if (count($iptc) > 0) { foreach (array_keys($iptc) as $key) { $element[$key] = addslashes($iptc[$key]); } } } } else { $error_log .= ' <code class="failure">Failure -</code> Thumbnail is missing for <code>'.$file_dir.'/'.$file_base.'</code>'; $error_log .= ' <img src="'.$pwg_conf['icon_dir'].'add_tag.png" title="'.$file_dir.'/thumbnail/'.$conf['prefix_thumbnail'].$file_short; $error_log .= '.xxx ('.implode(', ', $conf['picture_ext']).')" /><br />'."\n"; } } else { // Here we scan a non picture file : thumbnail and high are unused, representative is optionnal $element['tn_ext'] = pwg_get_thumbnail_ext($file_dir, $file_short, $file_ext, $log); $ext = pwg_get_representative_ext($file_dir, $file_short); if ($ext != '') { $element['representative_ext'] = $ext; } $element['filesize'] = floor(filesize($file_full) / 1024); } if (strlen($error_log) == 0) { $line = pwg_get_indent('element').'<element '; foreach($element as $key => $value) { $line .= $key.'="'.$value.'" '; } $line .= '/>'."\n"; } // Adding Icon generation log to message $error_log .= $icon_log; //~ pwg_log('<<<<< pwg_scan_file() returns '.var_export($error_log, TRUE).' <<<<<'."\n"); return $error_log; } /** * returns current level in tree * * @return integer */ function pwg_get_level($dir) { //~ pwg_log('>>>>> pwg_get_level($dir = '.var_export($dir, TRUE).') >>>>>'."\n"); $level = substr_count($dir, '/') - 1; // -1 because of ./ at the beginning of path //~ pwg_log('<<<<< pwg_get_level() returns '.var_export($level, TRUE).' <<<<<'."\n"); return $level; } /** * returns indentation of element * * @param string $element_type : 'root', 'element', 'dir' * @return string */ function pwg_get_indent($element_type) { //~ pwg_log('>>>>> pwg_get_indent($element_type = '.var_export($element_type, TRUE).') >>>>>'."\n"); $level = substr_count($_SESSION['scan_list_fold'][0], '/') - 1; // because of ./ at the beginning switch($element_type) { case 'dir' : { $indent = str_repeat(' ', 2*pwg_get_level($_SESSION['scan_list_fold'][0])); break; } case 'root' : { $indent = str_repeat(' ', 2*pwg_get_level($_SESSION['scan_list_fold'][0])+2); break; } case 'element' : { $indent = str_repeat(' ', 2*pwg_get_level($_SESSION['scan_list_fold'][0])+4); break; } default : { $indent = ''; break; } } //~ pwg_log('<<<<< pwg_get_indent() returns '.var_export(strlen($indent), TRUE).' spaces <<<<<'."\n"); return $indent; } /** * create index.php in directory and reserved sub_directories, return logs * * @param string dir * @return string */ function pwg_protect_directories($directory) { //~ pwg_log('>>>>> pwg_protect_directories($directory = '.var_export($directory, true).') >>>>>'."\n"); global $conf; $error_log = ''; $dirlist = array($directory, $directory.'/'.$conf['thumbs'], $directory.'/'.$conf['high'], $directory.'/'.$conf['represent']); foreach ($dirlist as $dir) { if (file_exists($dir)) { if (!file_exists($dir.'/index.php')) { $file = @fopen($dir.'/index.php', 'w'); if ($file != false) { fwrite($file, $pwg_conf['protect_content']); // the return code should be verified $error_log .= ' <code class="success">Success -</code> index.php created in directory <a href="'.$dir.'">'.$dir."</a><br />\n"; } else { $error_log .= ' <code class="failure">Failure -</code> Can not create index.php in directory <code>'.$dir."</code><br />\n"; } } else { if ($conf['protect_warnings']) { $error_log .= ' <code class="warning">Warning -</code> index.php already exists in directory <a href="'.$dir.'">'.$dir."</a><br />\n"; } } } } //~ pwg_log('<<<<< pwg_protect_directories() returns '.var_export($error_log, true).' <<<<<'."\n"); return $error_log; } /** * returns file extension (.xxx) * * @param string $file * @return string */ function pwg_get_file_extension($file) { //~ pwg_log('>>>>> pwg_get_file_extension($file = '.var_export($file, true).') >>>>>'."\n"); $ext = substr(strrchr($file, '.'), 1, strlen ($file)); //~ pwg_log('<<<<< pwg_get_file_extension() returns '.var_export($ext, true).' <<<<<'."\n"); return $ext; } /** * completes directory list of supported files and returns error logs * * @param string $directory * @return string */ function pwg_get_file_list($directory) { //~ pwg_log('>>>>> pwg_get_file_list($directory = '.var_export($directory, true).') >>>>>'."\n"); global $conf, $pwg_conf; $errorLog = ''; $dir = opendir($directory); while (($file = readdir($dir)) !== false) { switch (filetype($directory."/".$file)) { case 'file' : { if (in_array(pwg_get_file_extension($file), $conf['file_ext'])) { // The file pointed is a regular file with a supported extension array_push($_SESSION['scan_list_file'], $directory.'/'.$file); //~ pwg_log('--->> Push in $_SESSION[scan_list_file] value "'.$directory.'/'.$file.'"'."\n"); if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) { $errorLog .= ' <code class="failure">Failure -</code> Invalid file name for <code>'.$file.'</code> in <code>'.$directory.'</code>'; $errorLog .= ' <img src="'.$pwg_conf['icon_dir'].'add_tag.png"'; $errorLog .= ' title="Name should be composed of letters, figures, -, _ or . ONLY" /><br />'."\n"; } } break; // End of filetype FILE } case 'dir' : { if(!in_array($file, $pwg_conf['reserved_directory_names'])) { // The file pointed is a directory but neither system directory nor reserved by PWG array_push($_SESSION['scan_list_fold'], $directory.'/'.$file); //~ pwg_log('--->> Push in $_SESSION[scan_list_fold] value "'.$directory.'/'.$file.'"'."\n"); if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) { $errorLog .= ' <code class="failure">Failure -</code> Invalid directory name for <code>'.$directory.'/'.$file.'</code>'; $errorLog .= ' <img src="'.$pwg_conf['icon_dir'].'add_tag.png"'; $errorLog .= ' title="Name should be composed of letters, figures, -, _ or . ONLY" /><br />'."\n"; } } break; // End of filetype DIR } case 'fifo' : case 'char' : case 'block' : case 'link' : case 'unknown': default : { // PWG does not manage these cases break; } } } closedir($dir); //~ pwg_log('<<<<< pwg_get_file_list() returns '.var_export($errorLog, true).' <<<<<'."\n"); return $errorLog; } /** * 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 pwg_get_moment() { //~ pwg_log('>>>>> pwg_get_moment() >>>>>'."\n"); $t1 = explode(' ', microtime()); $t2 = explode('.', $t1[0]); $t2 = $t1[1].'.'.$t2[1]; //~ pwg_log('<<<<< pwg_get_moment() returns '.var_export($t2, true).' <<<<<'."\n"); return $t2; } /** * return true if HTTP_REFERER and PHP_SELF are similar * * return boolean */ function pwg_referer_is_me() { global $pwg_conf; //~ pwg_log('>>>>> pwg_referer_is_me() >>>>>'."\n"); $response = false; $caller = (isset($_SERVER['HTTP_REFERER'])) ? $_SERVER['HTTP_REFERER'] : ''; if (strcasecmp($pwg_conf['this_url'], $caller) == 0) { $response = true; } //~ pwg_log('<<<<< pwg_referer_is_me() returns '.var_export($response, true).' <<<<<'."\n"); return $response; } // +-----------------------------------------------------------------------+ // | pwg_<ACTION>_<STEP> Functions | // +-----------------------------------------------------------------------+ function pwg_test_start() { //~ pwg_log('>>>>> pwg_test_start() >>>>>'."\n"); global $g_message, $conf; if (isset($_REQUEST['version'])) { if ($_REQUEST['version'] != $conf['version']) { $g_message = '0'; } else { $g_message = '1'; } } else { $g_message = '1'; } $_SESSION['scan_step'] = 'exit'; //~ pwg_log('<<<<< pwg_test_start() <<<<<'."\n"); } function pwg_test_exit() { //~ pwg_log('>>>>> pwg_test_exit() >>>>>'."\n"); global $g_header, $g_message, $g_footer, $conf, $pwg_conf; if (pwg_referer_is_me()) { $g_header = ' : <span class="success">Test</span>'."\n"; $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'."\n"; // Write version $g_message = ' <h3>Script version</h3>'."\n"; $g_message .= ' This script is tagged : <code class="failure">'.$conf['version'].'</code>'."\n"; // write GD support if (!is_callable('gd_info')) { $g_message .= ' <code class="failure">Failure -</code> Your server can not generate imagess<br />'."\n"; } else { $info = gd_info(); $gd_full_version = preg_replace('/[[:alpha:][:space:]()]+/', '', $info['GD Version']); list($gd_version) = preg_split('/[.]+/', $gd_full_version); $g_message .= ' <h3>Image generation</h3>'."\n"; $g_message .= ' <code class="success">Success -</code> Your server can generate images<br />'."\n"; $g_message .= ' <code class="warning">Warning -</code> Your server support GD'.$gd_version.' (v'.$gd_full_version.')<br />'."\n"; $format_list = array(); $format = ($info['GIF Create Support']) ? '<code>gif</code>' : NULL; array_push($format_list, $format); $format = ((isset($info['JPG Support']) and $info['JPG Support']) or (isset($info['JPEG Support']) and $info['JPEG Support'])) ? '<code>jpg</code>' : NULL; array_push($format_list, $format); $format = ($info['PNG Support']) ? '<code>png</code>' : NULL; array_push($format_list, $format); $g_message .= ' <code class="warning">Warning -</code> Your server support format: '.implode(', ', $format_list)."\n"; } $g_message .= ' <h3>Directory parsing</h3>'."\n"; if ($pwg_conf['safe_mode']) { $g_message .= ' <code class="warning">Warning -</code> Your server does not support to resize execution time'."\n"; } else { $g_message .= ' <code class="success">Success -</code> Your server supports to resize execution time'."\n"; } } else { // compare version in GET parameter with $conf['version'] if ($g_message == '1') { exit('<pre>PWG-INFO-2: test successful</pre>'); } else { exit('<pre>PWG-ERROR-4: Piwigo versions differs</pre>'); } } //~ pwg_log('<<<<< pwg_test_exit() <<<<<'."\n"); } function pwg_clean_start() { //~ pwg_log('>>>>> pwg_clean_start() >>>>>'."\n"); global $g_message; if(@unlink('./listing.xml')) { $g_message = '1'; } else { $g_message = '0'; } $_SESSION['scan_step'] = 'exit'; //~ pwg_log('<<<<< pwg_clean_start() <<<<<'."\n"); } function pwg_clean_exit() { //~ pwg_log('>>>>> pwg_clean_exit() >>>>>'."\n"); global $g_header, $g_message, $g_footer, $conf, $pwg_conf; if(pwg_referer_is_me()) { $g_header = ' : <span class="success">Clean</span>'; if ($g_message == '1') { $g_message = ' <code class="success">Success -</code> <code>listing.xml</code> file deleted'."\n"; } else { $g_message = ' <code class="failure">Failure -</code> <code>listing.xml</code> does not exist or is read only'."\n"; } $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'; } else { if ($g_message == '1') { exit('<pre>PWG-INFO-3 : listing.xml file deleted</pre>'); } else { exit('<pre>PWG-ERROR-3 : listing.xml does not exist</pre>'); } } //~ pwg_log('<<<<< pwg_clean_exit() <<<<<'."\n"); } function pwg_generate_start() { //~ pwg_log('>>>>> pwg_generate_start() >>>>>'."\n"); //~ pwg_log("GENARATE start >>>\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE start >>>\n"); global $g_listing, $pwg_conf, $conf; // Flush line <informations> $xml_header_url = dirname($pwg_conf['this_url']); $xml_header_date = date('Y-m-d'); $xml_header_version = htmlentities($conf['version']); $attrs = array(); if ($conf['use_iptc']) { $attrs = array_merge($attrs, array_keys($conf['use_iptc_mapping']) ); } if ($conf['use_exif']) { $attrs = array_merge($attrs, array_keys($conf['use_exif_mapping']) ); } $xml_header_metadata = implode(',',array_unique($attrs)); $xml_header = '<informations'; $xml_header .= ' generation_date="'.$xml_header_date.'"'; $xml_header .= ' phpwg_version="'.$xml_header_version.'"'; $xml_header .= ' metadata="'.$xml_header_metadata.'"'; $xml_header .= ' url="'.$xml_header_url.'/"'; $xml_header .= '>'."\n"; fwrite($g_listing, $xml_header); // Initialization of directory and file lists $_SESSION['scan_list_fold'] = array(); $_SESSION['scan_list_file'] = array(); $_SESSION['scan_logs'] .= pwg_get_file_list('.'); sort($_SESSION['scan_list_fold']); // Erase first file list because root directory does not contain images. $_SESSION['scan_list_file'] = array(); // What are we doing at next step if(count($_SESSION['scan_list_fold']) > 0) { $_SESSION['scan_step'] = 'list'; } else { $_SESSION['scan_step'] = 'stop'; } //~ pwg_log("GENARATE start <<<\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE start <<<\n"); //~ pwg_log('<<<<< pwg_generate_start() <<<<<'."\n"); } function pwg_generate_list() { //~ pwg_log('>>>>> pwg_generate_list() >>>>>'."\n"); //~ pwg_log("GENARATE list >>>\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE list >>>\n"); global $g_listing; // Flush line <dirX name=""> in xml file $dirname = basename($_SESSION['scan_list_fold'][0]); $line = pwg_get_indent('dir').'<dir'.pwg_get_level($_SESSION['scan_list_fold'][0]).' name="'.$dirname.'">'."\n"; fwrite($g_listing, $line); // Get list of files and directories $_SESSION['scan_logs'] .= pwg_get_file_list($_SESSION['scan_list_fold'][0]); sort($_SESSION['scan_list_fold']); // Mandatory to keep the tree order sort($_SESSION['scan_list_file']); // Easier to read when sorted // Flush line <root> $line = pwg_get_indent('root').'<root>'."\n"; fwrite($g_listing, $line); // What are we doing at next step $_SESSION['scan_step'] = 'scan'; //~ pwg_log("GENARATE list <<<\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE list <<<\n"); //~ pwg_log('<<<<< pwg_generate_list() <<<<<'."\n"); } function pwg_generate_scan() { //~ pwg_log('>>>>> pwg_generate_scan() >>>>>'."\n"); //~ pwg_log("GENARATE scan >>>\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE scan >>>\n"); global $g_listing, $conf; while (pwg_continue() and count($_SESSION['scan_list_file']) > 0) { $line = ''; $_SESSION['scan_logs'] .= pwg_scan_file($_SESSION['scan_list_file'][0], $line); if (strlen($line) > 0) { fwrite($g_listing, $line); } //~ pwg_log('---<< Pull of $_SESSION[scan_list_file] value "'.$_SESSION['scan_list_file'][0].'"'."\n"); array_shift($_SESSION['scan_list_file']); $_SESSION['scan_cnt_file']++; } if (count($_SESSION['scan_list_file']) <= 0) { $_SESSION['scan_step'] = 'prot'; } //~ pwg_log("GENERATE scan <<<\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE scan <<<\n"); //~ pwg_log('<<<<< pwg_generate_scan() <<<<<'."\n"); } function pwg_generate_prot() { //~ pwg_log('>>>>> pwg_generate_prot() >>>>>'."\n"); //~ pwg_log("GENARATE prot >>>\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE prot >>>\n"); global $conf, $g_listing; // Flush line </root> $line = pwg_get_indent('root').'</root>'."\n"; fwrite($g_listing, $line); if ($conf['protect']) { $_SESSION['scan_logs'] .= pwg_protect_directories($_SESSION['scan_list_fold'][0]); } // How many directories to close $current_level = pwg_get_level($_SESSION['scan_list_fold'][0]); if (isset($_SESSION['scan_list_fold'][1])) { //~ pwg_log('---<< Pull of $_SESSION[scan_list_fold] value "'.$_SESSION['scan_list_fold'][0].'"'."\n"); array_shift($_SESSION['scan_list_fold']); $_SESSION['scan_cnt_fold']++; $next_level = pwg_get_level($_SESSION['scan_list_fold'][0]); $_SESSION['scan_step'] = 'list'; } else { $next_level = -1; $_SESSION['scan_cnt_fold']++; $_SESSION['scan_step'] = 'stop'; } if ($current_level == $next_level) { fwrite($g_listing, pwg_close_level($current_level, 1)); } else { if (($current_level > $next_level)) { fwrite($g_listing, pwg_close_level($current_level, $current_level-$next_level+1)); } // Nothing to do if current_level < next_level } //~ pwg_log("GENERATE prot <<<\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE prot <<<\n"); //~ pwg_log('<<<<< pwg_generate_prot() <<<<<'."\n"); } function pwg_generate_stop() { //~ pwg_log('>>>>> pwg_generate_stop() >>>>>'."\n"); //~ pwg_log("GENARATE stop >>>\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE stop >>>\n"); global $pwg_conf, $g_listing, $g_header, $g_message, $g_footer; // Flush line </informations> fwrite($g_listing, '</informations>'."\n"); // backup error log before cleaning session $time_elapsed = number_format(pwg_get_moment() - $_SESSION['scan_time'], 3, '.', ' '); $g_header = ' : <span class="success">Generate</span>'; $g_message = ' <div>'."\n".$_SESSION['scan_logs'].' </div>'."\n"; $g_message .= ' <div><code class="success">'.$_SESSION['scan_cnt_fold'].'</code> directories parsed<br />'."\n"; $g_message .= ' <code class="success">'.$_SESSION['scan_cnt_file'].'</code> files scanned</div>'."\n"; $g_message .= ' <div>View <a href="listing.xml">listing.xml</a></div>'."\n"; $g_message .= ' <div style="{text-align: right;}">Listing generated in : <code>'.$time_elapsed.' s</code></div>'; $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'; // What are we doing at next step $_SESSION['scan_step'] = 'exit'; //~ pwg_log("GENARATE stop <<<\n".var_export($_SESSION['scan_list_fold'], true)."\n".var_export($_SESSION['scan_list_file'], true)."\nGENERATE stop <<<\n"); //~ pwg_log('<<<<< pwg_generate_stop() <<<<<'."\n"); } // +-----------------------------------------------------------------------+ // | ALWAYS CALLED FUNCTIONS | // +-----------------------------------------------------------------------+ /** * This function check step and time ellapsed to determine end of loop * * @return bool */ function pwg_continue() { //~ pwg_log('>>>>> pwg_continue() >>>>>'."\n"); global $conf, $pwg_conf, $g_refresh, $g_header, $g_message, $g_footer, $start_time; if (!isset($_SESSION['scan_step']) or $_SESSION['scan_step'] == 'exit') { // evident end of process $return = false; } else { if ($pwg_conf['safe_mode'] or $conf['force_refresh_method']) { // can not reset the time $time_elapsed = pwg_get_moment() - $start_time; if ($time_elapsed < $conf['max_execution_time']) { $return = true; } else { $start_time = $_SESSION['scan_time']; $formated_time = number_format(pwg_get_moment() - $start_time, 3, '.', ' '); $g_refresh = '<meta http-equiv="Refresh" content="'.$conf['refresh_delay'].'">'."\n"; $g_header = ' : <span class="success">'.ucfirst($_SESSION['scan_action']).'</span>'; $g_message = ''; if ($_SESSION['scan_cnt_fold'] != 0) { $g_message .= '<code class="success">'.$_SESSION['scan_cnt_fold'].'</code> directories scanned<br />'."\n"; } if ($_SESSION['scan_cnt_file'] != 0) { $g_message .= '<code class="success">'.$_SESSION['scan_cnt_file'].'</code> files scanned<br />'."\n"; } $nb = count($_SESSION['scan_list_fold']); if ($nb > 0) { $g_message .= '<code class="warning">'.$nb.'</code> directories to scan<br />'."\n"; } $nb = count($_SESSION['scan_list_file']); if ($nb > 0) { $g_message .= '<code class="warning">'.$nb.'</code> files to scan<br />'."\n"; } $g_message .= ' <div style="{text-align: right;}">Time elapsed : <code>'.$formated_time.' s</code></div>'; $g_footer = '<a href="'.$pwg_conf['this_url'].'?action='.$_SESSION['scan_action'].'" title="Continue"><img src="'.$pwg_conf['icon_dir'].'right.png" /></a>'."\n"; $return = false; } } else { // reset the time set_time_limit(intval(ini_get('max_execution_time'))); $return = true; } } //~ pwg_log('<<<<< pwg_continue() returns '.var_export($return, true).' <<<<<'."\n"); return $return; } /** * This function : * -> Verify the script call * -> Lock the script * -> Open listing.xml if action is 'generate' * -> Initialize output and session variables * * @return nothing */ function pwg_init() { //~ pwg_log('>>>>> pwg_init() >>>>>'."\n"); global $g_message, $g_listing, $g_footer, $conf, $pwg_conf, $start_time; $init_message = ''; // Lock other script sessions, this lock will be remove during 'exit' step if (!isset($_SESSION['scan_step'])) { $fp = @fopen(__FILE__.'.lock', 'x+'); // return false if __FILE__.lock exists or if cannot create if ($fp == false) { $g_header = $_SESSION['scan_action']; $g_message = ' <code class="failure">Failure -</code> Another script is running'; $g_message .= ' <img src="'.$pwg_conf['icon_dir'].'add_tag.png" title="Delete file '.__FILE__.'.lock and retry" />'; $g_message .= "\n"; $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'."\n"; $_SESSION['scan_step'] = 'exit'; //~ pwg_log('<<<<< pwg_init() failure <<<<<'."\n"); return; } else { fwrite($fp, session_id()); // Writing session_id to trace lock fclose($fp); $_SESSION['scan_step'] = 'init'; } } // Verify and backup parameter action. This backup will be removed during step 'exit' if (isset($_REQUEST['action'])) { if (in_array($_REQUEST['action'], $pwg_conf['scan_action'])) { if (isset($_SESSION['scan_action'])) { if ($_SESSION['scan_action'] != $_REQUEST['action']) { // Fatal error $g_message = ' <code class="failure">Failure -</code> Parameter <code>action</code> differs between url and session'; $g_message .= "\n"; $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'."\n"; $_SESSION['scan_step'] = 'exit'; //~ pwg_log('<<<<< pwg_init() failure <<<<<'."\n"); return; } } else { $_SESSION['scan_action'] = $_REQUEST['action']; } } else { // Fatal error $g_message = ' <code class="failure">Failure -</code> Problem with <code>action</code> parameter'; $g_message .= ' <img src="'.$pwg_conf['icon_dir'].'add_tag.png" title="empty, '.implode(', ', $pwg_conf['scan_action']).'" />'; $g_message .= "\n"; $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'."\n"; $_SESSION['scan_step'] = 'exit'; //~ pwg_log('<<<<< pwg_init() failure <<<<<'."\n"); return; } } else { // Here we are on welcome page $g_message = ' <ul>'."\n"; $g_message .= ' <li><a href="'.$pwg_conf['this_url'].'?action=test" title="Display/Compare script version">Test</a></li>'."\n"; $g_message .= ' <li><a href="'.$pwg_conf['this_url'].'?action=clean" title="Delete listing.xml if exists">Clean</a></li>'."\n"; $g_message .= ' <li><a href="'.$pwg_conf['this_url'].'?action=generate" title="Scan all images from this directory and write informations in listing.xml">Listing</a></li>'."\n"; $g_message .= ' </ul>'."\n"; $g_footer = '<a href="'.$conf['gallery'].'/admin.php?page=site_manager" title="Main gallery :: site manager">'; $g_footer .= '<img src="'.$pwg_conf['icon_dir'].'home.png" /></a>'."\n"; $_SESSION['scan_step'] = 'exit'; $_SESSION['scan_action'] = ''; } // Actions to do at the init of generate if ($_SESSION['scan_action'] == 'generate') { // Open XML file $mode = ($_SESSION['scan_step'] == 'init') ? 'w' : 'a'; // Erase old listing.xml at the beginning of generation (mode w) $g_listing = @fopen('listing.xml', $mode); if ($g_listing === false) { $g_header = $_SESSION['scan_action']; $g_message = ' <code class="failure">Failure -</code> Can not write file <code>listing.xml</code>'; $g_message .= "\n"; $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'."\n"; $_SESSION['scan_step'] = 'exit'; //~ pwg_log('<<<<< pwg_init() failure <<<<<'."\n"); return; } // Check graphical capabilities $init_message = pwg_check_graphics(); } // Initializing session counters. This counters will be completely unset during step 'exit' if ($_SESSION['scan_step'] == 'init') { $_SESSION['scan_list_file'] = array(); $_SESSION['scan_list_fold'] = array(); $_SESSION['scan_cnt_file'] = 0; $_SESSION['scan_cnt_fold'] = 0; $_SESSION['scan_time'] = $start_time; $_SESSION['scan_step'] = 'start'; $_SESSION['scan_logs'] = $init_message; } //~ pwg_log('<<<<< pwg_init() success <<<<<'."\n"); } /** * This function : * -> Close listing.xml if action is 'generate' * -> Unlock the script * -> Erase session variables * * @return nothing */ function pwg_exit() { //~ pwg_log('>>>>> pwg_exit() >>>>>'."\n"); global $g_listing; // Close XML file if ($_SESSION['scan_action'] == 'generate' and $g_listing != false) { fclose($g_listing); } // Unlock script unlink(__FILE__.'.lock'); // Erase session counters unset($_SESSION['scan_list_file']); unset($_SESSION['scan_list_fold']); unset($_SESSION['scan_cnt_file']); unset($_SESSION['scan_cnt_fold']); unset($_SESSION['scan_time']); unset($_SESSION['scan_step']); $local_action = $_SESSION['scan_action']; unset($_SESSION['scan_action']); unset($_SESSION['scan_logs']); session_destroy(); // Call specific action post process if (is_callable('pwg_'.$local_action.'_exit')) { call_user_func('pwg_'.$local_action.'_exit'); } //~ pwg_log('<<<<< pwg_exit() <<<<<'."\n"); } // +-----------------------------------------------------------------------+ // | Script | // +-----------------------------------------------------------------------+ session_save_path('.'); session_start(); $start_time = pwg_get_moment(); // Initializing message for web page $g_refresh = ''; $g_header = ''; $g_message = ''; $g_footer = ''; $g_listing = ''; pwg_init(); while(pwg_continue()) { if (is_callable('pwg_'.$_SESSION['scan_action'].'_'.$_SESSION['scan_step'])) { call_user_func('pwg_'.$_SESSION['scan_action'].'_'.$_SESSION['scan_step']); // Run the step : start, list, scan, stop are available } else { $g_header = $_SESSION['scan_action']; $g_message = ' <code class="failure">Failure -</code> INTERNAL STEP ERROR : <code>pwg_'.$_SESSION['scan_action'].'_'.$_SESSION['scan_step'].'()</code> undefined'; $g_message .= "\n"; $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'."\n"; $_SESSION['scan_step'] = 'exit'; } } if ($_SESSION['scan_step'] == 'exit') { pwg_exit(); } ?> <html> <head> <?php echo $g_refresh; ?> <title>Manage remote gallery</title> </head> <style type="text/css"> code {font-weight: bold} img {border-style: none; vertical-align: middle} ul {list-style-image: url(<?php echo $pwg_conf['icon_dir']; ?>add_tag.png)} .success {color: green} .warning {color: orange} .failure {color: red} .header {text-align: center; font-variant: small-caps; font-weight: bold;} .p {color: #F93;} .w {color: #ccc;} .g {color: #69C;} .pwg {text-decoration: none; border-bottom-style: dotted; border-bottom-width: 1px;} .content {width: 75%; position: absolute; top: 10%; left: 12%;} .footer {text-align: right;} .pwg_block {float: left;} </style> <body> <div class="content"> <fieldset class="header"> <span class="p">Pi</span> <span class="w">wi</span> <span class="g">go</span> remote site<? echo $g_header; ?> </fieldset> <fieldset> <?php echo $g_message; ?> </fieldset> <fieldset class="footer"> <div class="pwg_block"> Powered by <a href="http://piwigo.org" class="pwg">Piwigo</a> </div> <?php echo $g_footer; ?> </fieldset> </div> </body> </html>