diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/create_listing_file.php | 1458 |
1 files changed, 1086 insertions, 372 deletions
diff --git a/tools/create_listing_file.php b/tools/create_listing_file.php index 47632010c..b5ab6491a 100644 --- a/tools/create_listing_file.php +++ b/tools/create_listing_file.php @@ -26,25 +26,32 @@ // +-----------------------------------------------------------------------+ // +-----------------------------------------------------------------------+ -// | parameters | +// | User configuration | // +-----------------------------------------------------------------------+ +// Srcipt version +$conf['version'] = 'Alligator'; + // 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','jpeg','JPEG', - 'png','PNG','gif','GIF','mpg','zip', - 'avi','mp3','ogg'); +// $conf['file_ext'] lists all extensions (case insensitive) allowed for your PhpWebGallery installation +$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','jpeg','JPEG', - 'png','PNG','gif','GIF'); +$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'] = 'Alligator'; +// URL of main gallery +$conf['gallery'] = 'http://'; + +// max excution time before refresh in seconds +$conf['max_execution_time'] = (5*ini_get('max_execution_time'))/6; // 25 seconds with default PHP configuration + +// refresh delay is seconds +$conf['refresh_delay'] = 0; + +// $conf['file_ext'] lists all extensions (case insensitive) allowed for your PhpWebGallery installation +$conf['file_ext'] = array('jpg','JPG','jpeg','JPEG','png','PNG','gif','GIF','mpg','zip', 'avi','mp3','ogg'); // $conf['use_exif'] set to true if you want to use Exif information $conf['use_exif'] = true; @@ -67,22 +74,118 @@ $conf['use_iptc_mapping'] = array( 'date_creation' => '2#055', 'author' => '2#122', 'name' => '2#005', - 'comment' => '2#120' - ); + 'comment' => '2#120'); + +// index.php content for command 'protect' +$conf['protect_content'] = '<?php header("Location: '.$conf['gallery'].'") ?>'; + +// directories names +$conf['thumbs'] = 'thumbnail'; // thumbnails +$conf['high'] = 'pwg_high'; // high resolution +$conf['represent'] = 'pwg_representative'; // non pictures representative files + +// +-----------------------------------------------------------------------+ +// | 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', 'protect'); + +// url of this script +$pwg_conf['this_url'] = 'http://'.$_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']; + +// list of reserved directory names +$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; + +// Error level management +// true : show warnings +// false : hide warnings +$pwg_conf['warning']['protect'] = true; // +-----------------------------------------------------------------------+ // | functions | // +-----------------------------------------------------------------------+ /** + * write line in log file + * + * @param string line + * @return string + */ +function pwg_log($line) +{ + $log_file = fopen(__FILE__.'.log', 'a'); + fwrite($log_file, $line); + fclose($log_file); +} + +/** + * 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 $map * @return array */ -function get_iptc_data($filename, $map) +function pwg_get_iptc_data($filename, $map) { + //~ pwg_log('>>>>> pwg_get_iptc_data ($filename = '.var_export($filename, TRUE).', $map = '.var_export($map, TRUE).') >>>>>'."\n"); + $result = array(); // Read IPTC data @@ -103,12 +206,11 @@ function get_iptc_data($filename, $map) { if ($iptc_key == '2#025') { - $value = implode(',', - array_map('clean_iptc_value',$iptc[$iptc_key])); + $value = implode(',', array_map('pwg_clean_iptc_value', $iptc[$iptc_key])); } else { - $value = clean_iptc_value($iptc[$iptc_key][0]); + $value = pwg_clean_iptc_value($iptc[$iptc_key][0]); } foreach (array_keys($map, $iptc_key) as $pwg_key) @@ -119,36 +221,27 @@ function get_iptc_data($filename, $map) } } } + + //~ pwg_log('<<<<< pwg_get_iptc_data() returns '.var_export($result, TRUE).' <<<<<'."\n"); return $result; } /** - * return a cleaned IPTC value + * returns informations from IPTC metadata * - * @param string value - * @return string + * @param string $file + * @return array iptc */ -function clean_iptc_value($value) +function pwg_get_sync_iptc_data($file) { - // strip leading zeros (weird Kodak Scanner software) - while ($value[0] == chr(0)) - { - $value = substr($value, 1); - } - // remove binary nulls - $value = str_replace(chr(0x00), ' ', $value); + //~ pwg_log('>>>>> pwg_get_sync_iptc_data ($file = '.var_export($file, TRUE).') >>>>>'."\n"); - 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); + $iptc = pwg_get_iptc_data($file, $map); foreach ($iptc as $pwg_key => $value) { @@ -168,501 +261,1122 @@ function get_sync_iptc_data($file) $iptc[$pwg_key] = htmlentities($value); } - $iptc['keywords'] = implode( - ',', - array_unique( - explode( - ',', - $iptc['keywords'] - ) - ) - ); + $iptc['keywords'] = implode(',', array_unique(explode(',', $iptc['keywords']))); + + //~ pwg_log('<<<<< pwg_get_sync_iptc_data() returns '.var_export($iptc, TRUE).' <<<<<'."\n"); 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 extension of the representative file * - * @return float + * @param string $file_dir + * @param string $file_short + * @return string */ -function get_moment() +function pwg_get_representative_ext($file_dir, $file_short) { - $t1 = explode(' ', microtime()); - $t2 = explode('.', $t1[0]); - $t2 = $t1[1].'.'.$t2[1]; - return $t2; + //~ pwg_log('>>>>> pwg_get_representative_ext($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; } /** - * returns the number of seconds (with 3 decimals precision) between the - * start time and the end time given. + * return 'true' if high resolution picture exists else '' * - * @param float start - * @param float end - * @return void + * @param string $file_dir + * @param string $file_base + * @return boolean */ -function get_elapsed_time($start, $end) +function pwg_get_high($file_dir, $file_base) { - return number_format($end - $start, 3, '.', ' ').' s'; + //~ pwg_log('>>>>> pwg_get_high($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; } /** - * returns an array with all picture files according to $conf['file_ext'] + * return filename without extension * - * @param string $dir - * @return array + * @param string $filename + * @return string */ -function get_pwg_files($dir) +function pwg_get_filename_wo_extension($filename) { - global $conf; + //~ pwg_log('>>>>> _get_filename_wo_extension($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; +} - $pictures = array(); - if ($opendir = opendir($dir)) +/** + * return extension of the thumbnail + * + * @param string $file_dir + * @param string $file_short + * @return string + */ +function pwg_get_thumbnail_ext($file_dir, $file_short) +{ + //~ pwg_log('>>>>> pwg_get_thumbnail_ext($file_dir = '.var_export($file_dir, TRUE).', $file_short = '.var_export($file_short, TRUE).') >>>>>'."\n"); + + global $conf; + + $thumb_ext = ''; + foreach ($conf['picture_ext'] as $ext) { - while ($file = readdir($opendir)) + if (file_exists($file_dir.'/'.$conf['thumbs'].'/'.$conf['prefix_thumbnail'].$file_short.'.'.$ext)) { - 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"; - } - } + $thumb_ext = $ext; + break; } } - return $pictures; + + //~ pwg_log('<<<<< pwg_get_thumbnail_ext() returns '.var_export($thumb_ext, TRUE).' <<<<<'."\n"); + return $thumb_ext; } /** - * returns an array with all thumbnails according to $conf['picture_ext'] - * and $conf['prefix_thumbnail'] + * completes xml line <element .../> and returns error log * - * @param string $dir - * @return array + * @param string $file + * @param string &$line + * @return string */ -function get_thumb_files($dir) +function pwg_scan_file($file_full, &$line) { - global $conf; - - $prefix_length = strlen($conf['prefix_thumbnail']); - - $thumbnails = array(); - if (is_dir($dir.'/thumbnail')) + //~ pwg_log('>>>>> pwg_scan_file($file = '.var_export($file_full, TRUE).', $line = '.var_export($line, TRUE).') >>>>>'."\n"); + + global $conf, $pwg_conf; + + $error_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; + $element['path'] = 'http://'.dirname($_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']).substr($file_dir, 1).'/'.$file_base; + + if (in_array($file_ext, $conf['picture_ext'])) { - if ($opendir = opendir($dir.'/thumbnail')) + // Here we scan a picture : thumbnail is mandatory, high is optionnal, representative is not scanned + $element['tn_ext'] = pwg_get_thumbnail_ext($file_dir, $file_short); + if ($element['tn_ext'] != '') { - while ($file = readdir($opendir)) + // 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, $file_base)) { - if (in_array(get_extension($file), $conf['picture_ext']) - and substr($file,0,$prefix_length) == $conf['prefix_thumbnail']) + $element['has_high'] = 'true'; + } + + // get EXIF meta datas + if ($conf['use_exif']) + { + // Verify activation of exif module + if (extension_loaded('exif')) { - array_push($thumbnails, $file); + if ($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 + $ext = pwg_get_representative_ext($file_dir, $file_short); + if ($ext != '') + { + $element['representative_ext'] = $ext; + } + } + + if (strlen($error_log) == 0) + { + $line = pwg_get_indent('element').'<element '; + foreach($element as $key => $value) + { + $line .= $key.'="'.$value.'" '; + } + $line .= '/>'."\n"; } - return $thumbnails; + + //~ pwg_log('<<<<< pwg_scan_file() returns '.var_export($error_log, TRUE).' <<<<<'."\n"); + return $error_log; } /** - * returns an array with representative picture files of a directory - * according to $conf['picture_ext'] + * returns current level in tree * - * @param string $dir - * @return array + * @return integer */ -function get_representative_files($dir) +function pwg_get_level($dir) { - global $conf; + //~ pwg_log('>>>>> pwg_get_level($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; +} - $pictures = array(); - if (is_dir($dir.'/pwg_representative')) +/** + * 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($element_type) { - if ($opendir = opendir($dir.'/pwg_representative')) + case 'dir' : { - while ($file = readdir($opendir)) - { - if (in_array(get_extension($file), $conf['picture_ext'])) - { - array_push($pictures, $file); - } - } + $indent = str_repeat(' ', 2*pwg_get_level($_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; } } - return $pictures; + + //~ pwg_log('<<<<< pwg_get_indent() returns '.var_export(strlen($indent), TRUE).' spaces <<<<<'."\n"); + return $indent; } /** - * returns an array with high quality/resolution picture files of a directory - * according to $conf['picture_ext'] + * create index.php in directory and reserved sub_directories, return logs * - * @param string $dir - * @return array + * @param string dir + * @return string */ -function get_high_files($dir) +function pwg_protect_directories($directory) { - global $conf; - - $pictures = array(); - if (is_dir($dir.'/pwg_high')) + global $conf, $pwg_conf; + + //~ pwg_log('>>>>> pwg_protect_directories($directory = '.var_export($directory, true).') >>>>>'."\n"); + $error_log = ''; + $dirlist = array($directory, $directory.'/'.$conf['thumbs'], $directory.'/'.$conf['high'], $directory.'/'.$conf['represent']); + + foreach ($dirlist as $dir) { - if ($opendir = opendir($dir.'/pwg_high')) + if (file_exists($dir)) { - while ($file = readdir($opendir)) + if (!file_exists($dir.'/index.php')) { - if (in_array(get_extension($file), $conf['picture_ext'])) + $file = @fopen($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"; + $_SESSION['scan_cnt_fold']++; + } + else { - array_push($pictures, $file); + $error_log .= ' <code class="failure">Failure -</code> Can not create index.php in directory <code>'.$dir."</code><br />\n"; + } + } + else + { + if ($pwg_conf['warning']['protect']) + { + $error_log .= ' <code class="warning">Warning -</code> index.php already exists in directory <a href="'.$dir.'">'.$dir."</a><br />\n"; + $_SESSION['scan_cnt_fold']++; } } } } - return $pictures; + + //~ pwg_log('<<<<< pwg_protect_directories() returns '.var_export($error_log, true).' <<<<<'."\n"); + return $error_log; } /** - * search in $basedir the sub-directories and calls get_pictures + * returns file extension (.xxx) * - * @return void + * @param string $file + * @return string */ -function get_dirs($basedir, $indent, $level) +function pwg_get_file_extension($file) { - $fs_dirs = array(); - $dirs = ""; - global $conf_safe_mode; + //~ pwg_log('>>>>> pwg_get_file_extension($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 $ext; +} - // Refresh the max_execution_time to avoid timout error - // By default time to scan a directory (without subdirs) is fixed to 30 seconds - if (!$conf_safe_mode) - { - set_time_limit(30); - } +/** + * 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, $pwg_conf; - if ($opendir = opendir($basedir)) + $errorLog = ''; + $dir = opendir($directory); + while (($file = readdir($dir)) !== false) { - while ($file = readdir($opendir)) + switch (filetype($directory."/".$file)) { - if ($file != '.' - and $file != '..' - and $file != '.svn' - and $file != 'thumbnail' - and $file != 'pwg_high' - and $file != 'pwg_representative' - and is_dir ($basedir.'/'.$file)) + case 'file' : + { + if (in_array(pwg_get_file_extension($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"'; + $errorLog .= ' title="Name should be composed of letters, figures, -, _ or . ONLY" /><br />'."\n"; + } + } + break; // End of filetype FILE + } + case 'dir' : { - array_push($fs_dirs, $file); - if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) + if(!in_array($file, $pwg_conf['reserved_directory_names'])) { - echo 'PWG-WARNING-1: "'.$file.'" : '; - echo 'The name of the directory should be composed of '; - echo 'letters, figures, "-", "_" or "." ONLY'; - echo "\n"; + // 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"'; + $errorLog .= ' title="Name should be composed of letters, figures, -, _ or . ONLY" /><br />'."\n"; + } } + break; // End of filetype DIR + } + case 'fifo' : + case 'char' : + case 'block' : + case 'link' : + case 'unknown': + default : + { + // PWG does not manage these cases + break; } } } - // write of the dirs - foreach ($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 $dirs; -} + closedir($dir); + + //~ pwg_log('<<<<< pwg_get_file_list() returns '.var_export($errorLog, true).' <<<<<'."\n"); -// get_extension returns the part of the string after the last "." -function get_extension($filename) -{ - return substr(strrchr($filename, '.'), 1, strlen ($filename)); + return $errorLog; } -// get_filename_wo_extension returns the part of the string before the last -// ".". -// get_filename_wo_extension('test.tar.gz') -> 'test.tar' -function get_filename_wo_extension($filename) +/** + * 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() { - return substr($filename, 0, strrpos($filename, '.')); + //~ 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 $t2; } -function get_pictures($dir, $indent) +/** + * return true if HTTP_REFERER and PHP_SELF are similar + * + * return boolean + */ +function pwg_referer_is_me() { - global $conf, $page; + //~ pwg_log('>>>>> pwg_referer_is_me() >>>>>'."\n"); + + $response = false; + $server = 'http://'.$_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']; + $caller = $_SERVER['HTTP_REFERER']; + + if (strcasecmp($server, $caller) == 0) { + $response = true; + } - // 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); + //~ pwg_log('<<<<< pwg_referer_is_me() returns '.var_export($response, true).' <<<<<'."\n"); + return $response; +} - $elements = array(); +// +-----------------------------------------------------------------------+ +// | pwg_<ACTION>_<STEP> FUNCTIONS | +// +-----------------------------------------------------------------------+ - $print_dir = preg_replace('/^\.\//', '', $dir); - $print_dir = preg_replace('/\/*$/', '/', $print_dir); +function pwg_test_start() +{ + //~ pwg_log('>>>>> pwg_test_start() >>>>>'."\n"); - foreach ($fs_files as $fs_file) + global $g_message, $conf; + + if (isset($_REQUEST['version'])) { - $element = array(); - $element['file'] = $fs_file; - $element['path'] = $page['url'].$print_dir.$fs_file; - $element['filesize'] = floor(filesize($dir.'/'.$fs_file) / 1024); + if ($_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"); +} - $file_wo_ext = get_filename_wo_extension($fs_file); +function pwg_test_exit() +{ + //~ pwg_log('>>>>> pwg_test_exit() >>>>>'."\n"); - foreach ($conf['picture_ext'] as $ext) + global $g_header, $g_message, $g_footer, $conf, $pwg_conf; + + if (pwg_referer_is_me()) + { + $g_header = ' : <span class="success">Test</span>'."\n"; + $g_message = ' This script is tagged : <code class="failure">'.$conf['version'].'</code>'."\n"; + $g_footer = '<a href="'.$pwg_conf['this_url'].'" title="Main menu"><img src="'.$pwg_conf['icon_dir'].'up.png" /></a>'."\n"; + } + else + { + // compare version in GET parameter with $conf['version'] + if ($g_message == '1') { - $test = $conf['prefix_thumbnail'].$file_wo_ext.'.'.$ext; - if (!in_array($test, $fs_thumbnails)) - { - continue; - } - else - { - $element['tn_ext'] = $ext; - break; - } + exit('<pre>PWG-INFO-2: test successful</pre>'); } - - // 2 cases : the element is a picture or not. Indeed, for a picture - // thumbnail is mandatory, high is optional and for non picture element, - // thumbnail and representative is optionnal - if (in_array(get_extension($fs_file), $conf['picture_ext'])) + else { - // if we found a thumnbnail corresponding to our picture... - if (isset($element['tn_ext'])) - { - if ($image_size = @getimagesize($dir.'/'.$fs_file)) - { - $element['width'] = $image_size[0]; - $element['height'] = $image_size[1]; - } + exit('<pre>PWG-ERROR-4: PhpWebGallery versions differs</pre>'); + } + } + + //~ pwg_log('<<<<< pwg_test_exit() <<<<<'."\n"); +} - if ( in_array($fs_file, $fs_highs) ) - { - $element['has_high'] = 'true'; - } +function pwg_clean_start() +{ + //~ pwg_log('>>>>> pwg_clean_start() >>>>>'."\n"); + + global $g_message; + + if(@unlink('./listing.xml')) + { + $g_message = '1'; + } + else + { + $g_message = '0'; + } - if ($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]; - } - } - } - } - } - } + $_SESSION['scan_step'] = 'exit'; + + //~ pwg_log('<<<<< pwg_clean_start() <<<<<'."\n"); +} - if ($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]; - } - } - } +function pwg_clean_exit() +{ + //~ pwg_log('>>>>> pwg_clean_exit() >>>>>'."\n"); - 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"; - } + 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') + { + $g_message = ' <code class="success">Success -</code> <code>listing.xml</code> file deleted'."\n"; } else { - foreach ($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); + $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>'; } - - $xml = "\n".$indent.'<root>'; - $attributes = array('file','tn_ext','representative_ext','filesize', - 'width','height','date_creation','author','keywords', - 'name','comment','has_high', 'path'); - foreach ($elements as $element) + else { - $xml.= "\n".$indent.' '; - $xml.= '<element'; - foreach ($attributes as $attribute) + if ($g_message == '1') { - if (isset($element{$attribute})) - { - $xml.= ' '.$attribute.'="'.$element{$attribute}.'"'; - } + exit('<pre>PWG-INFO-3 : listing.xml file deleted</pre>'); + } + else + { + exit('<pre>PWG-ERROR-3 : listing.xml does not exist</pre>'); } - $xml.= ' />'; } - $xml.= "\n".$indent.'</root>'; + + //~ pwg_log('<<<<< pwg_clean_exit() <<<<<'."\n"); +} - return $xml; +function pwg_protect_start() +{ + //~ pwg_log('>>>>> pwg_protect_start() >>>>>'."\n"); + + $_SESSION['scan_logs'] = pwg_get_file_list('.'); + sort($_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 + { + $_SESSION['scan_step'] = 'stop'; + } + + //~ pwg_log('<<<<< pwg_protect_start() <<<<<'."\n"); } -// +-----------------------------------------------------------------------+ -// | script | -// +-----------------------------------------------------------------------+ -if (isset($_GET['action'])) +function pwg_protect_list() { - $page['action'] = $_GET['action']; + //~ pwg_log('>>>>> pwg_protect_list() >>>>>'."\n"); + + // Get list of files and directories + $_SESSION['scan_logs'] .= pwg_get_file_list($_SESSION['scan_list_fold'][0]); + sort($_SESSION['scan_list_fold']); + + // Delete unused file list + $_SESSION['scan_list_file'] = array(); + + // Position next step + $_SESSION['scan_step'] = 'scan'; + + //~ pwg_log('<<<<< pwg_protect_list() <<<<<'."\n"); } -else + +function pwg_protect_scan() { - $page['action'] = ''; + //~ pwg_log('>>>>> pwg_protect_scan() >>>>>'."\n"); + + $_SESSION['scan_logs'] .= pwg_protect_directories($_SESSION['scan_list_fold'][0]); + + if (isset($_SESSION['scan_list_fold'][1])) + { + array_shift($_SESSION['scan_list_fold']); + $_SESSION['scan_step'] = 'list'; + } + else + { + $_SESSION['scan_step'] = 'stop'; + } + + //~ pwg_log('<<<<< pwg_protect_scan() <<<<<'."\n"); } -// Looking at the safe_mode configuration for execution time -$conf_safe_mode = TRUE; -if (ini_get('safe_mode') == 0) +function pwg_protect_stop() { - $conf_safe_mode = FALSE; + //~ pwg_log('>>>>> pwg_protect_stop() >>>>>'."\n"); + + global $g_header, $g_message, $g_footer, $pwg_conf; + + $time_elapsed = number_format(pwg_get_moment() - $_SESSION['scan_time'], 3, '.', ' '); + + $g_header = ' : <span class="success">Protect</span>'; + $g_message = ' <div>'."\n".$_SESSION['scan_logs'].' </div>'."\n"; + $g_message .= ' <div><code class="success">'.$_SESSION['scan_cnt_fold'].'</code> directories protected</div>'."\n"; + $g_message .= ' <div style="{text-align: right;}">Gallery protected in : <code>'.$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 + $_SESSION['scan_step'] = 'exit'; + + //~ pwg_log('<<<<< pwg_protect_stop() <<<<<'."\n"); } -echo '<pre>'; -switch ($page['action']) +function pwg_generate_start() { - case 'generate' : + //~ 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, $conf; + + // Flush line <informations> + $xml_header_url = 'http://'.dirname($_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']).'/'; + $xml_header_date = date('Y-m-d'); + $xml_header_version = htmlentities($conf['version']); + + $attrs = array(); + if ($conf['use_iptc']) { - $start = get_moment(); + $attrs = array_merge($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"); +} - $listing = '<informations'; - $listing.= ' generation_date="'.date('Y-m-d').'"'; - $listing.= ' phpwg_version="'.htmlentities($conf{'version'}).'"'; +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"); +} - $attrs=array(); - if ($conf['use_iptc']) +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 $g_listing; + + while (pwg_continue() and count($_SESSION['scan_list_file']) > 0) + { + $line = ''; + $_SESSION['scan_logs'] .= pwg_scan_file($_SESSION['scan_list_file'][0], $line); + if (strlen($line) > 0) { - $attrs = array_merge($attrs, array_keys($conf['use_iptc_mapping']) ); + fwrite($g_listing, $line); } - if ($conf['use_exif']) + //~ 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) + { + // Flush line </root> + $line = pwg_get_indent('root').'</root>'."\n"; + fwrite($g_listing, $line); + + // 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; + $_SESSION['scan_step'] = 'stop'; + } + + if ($current_level == $next_level) { - $attrs = array_merge($attrs, array_keys($conf['use_exif_mapping']) ); + fwrite($g_listing, pwg_close_level($current_level, 1)); } - $listing.= ' metadata="'.implode(',',array_unique($attrs)).'"'; + 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 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"); +} - $end = strrpos($_SERVER['PHP_SELF'], '/') + 1; - $local_folder = substr($_SERVER['PHP_SELF'], 0, $end); - $page['url'] = 'http://'.$_SERVER['HTTP_HOST'].$local_folder; +function pwg_generate_stop() +{ + //~ pwg_log('>>>>> pwg_generate_stop() >>>>>'."\n"); + //~ pwg_log("GENARATE stop >>>\n".var_export($_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']) + { + // 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, '.', ' '); - $listing.= ' url="'.$page['url'].'"'; - $listing.= '/>'."\n"; + $g_refresh = '<meta http-equiv="Refresh" content="'.$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; +} - $listing.= get_dirs('.', '', 0); +/** + * This function : + * -> Verify the script call + * -> Lock the script + * -> Open listing.xml if action is 'generate' + * -> Initialize output and session variables + * + * @return nothing + */ +function pwg_init() +{ + //~ pwg_log('>>>>> pwg_init() >>>>>'."\n"); - if ($fp = @fopen("./listing.xml","w")) + global $g_message, $g_listing, $g_footer, $conf, $pwg_conf, $start_time; + + // Lock other script sessions, this lock will be remove during 'exit' step + if (!isset($_SESSION['scan_step'])) + { + $fp = @fopen(__FILE__.'.lock', 'x+'); // return false if __FILE__.lock exists or if cannot create + if ($fp == false) { - fwrite($fp, $listing); - fclose($fp); - echo 'PWG-INFO-1: listing.xml created in '; - echo get_elapsed_time($start, get_moment()); - echo "\n"; + $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"; + $_SESSION['scan_step'] = 'exit'; + //~ pwg_log('<<<<< pwg_init() failure <<<<<'."\n"); + return; } else { - echo "PWG-ERROR-2: I can't write the file listing.xml"."\n"; + fwrite($fp, session_id()); // Writing session_id to trace lock + fclose($fp); + $_SESSION['scan_step'] = 'init'; } - break; } - case 'test' : + + // Verify and backup parameter action. This backup will be removed during step 'exit' + if (isset($_REQUEST['action'])) { - if (isset($_GET['version'])) + if (in_array($_REQUEST['action'], $pwg_conf['scan_action'])) { - if ($_GET['version'] != $conf['version']) + if (isset($_SESSION['scan_action'])) { - echo 'PWG-ERROR-4: PhpWebGallery versions differs'."\n"; + 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 { - echo 'PWG-INFO-2: test successful'."\n"; + $_SESSION['scan_action'] = $_REQUEST['action']; } } else { - echo 'PWG-INFO-2: test successful'."\n"; + // 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; } - break; } - case 'clean' : + else { - if( @unlink('./listing.xml')) - { - echo 'PWG-INFO-3 : listing.xml file deleted'."\n"; - } - 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"; + $g_message .= ' <li><a href="'.$pwg_conf['this_url'].'?action=protect" title="Protect all directories from this point with index.php">Protect</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"; + $_SESSION['scan_step'] = 'exit'; + } + + // Open listing.xml + if ($_SESSION['scan_action'] == 'generate') + { + $mode = ($_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) { - echo 'PWG-ERROR-3 : listing.xml does not exist'."\n"; + $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"; + $_SESSION['scan_step'] = 'exit'; + //~ pwg_log('<<<<< pwg_init() failure <<<<<'."\n"); + return; } - break; } - default : + + // Initializing session counters. This counters will be completely unset during step 'exit' + if ($_SESSION['scan_step'] == 'init') { - // Menu de lancement pour la mise à jour manuel des sites distant - echo '</pre> -<ul> - <li> - <a href="create_listing_file.php?action=generate">Generate listing.xml</a> - </li> + $_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'] = ''; + } + + //~ pwg_log('<<<<< pwg_init() success <<<<<'."\n"); +} - <li> - <a href="create_listing_file.php?action=test">Test</a> - </li> +/** + * 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($_SESSION['scan_logs']); + + + // Call specific action post process + if (is_callable('pwg_'.$local_action.'_exit')) + { + call_user_func('pwg_'.$local_action.'_exit'); + } + + //~ pwg_log('<<<<< pwg_exit() <<<<<'."\n"); +} + +// +-----------------------------------------------------------------------+ +// | script | +// +-----------------------------------------------------------------------+ +session_start(); + +$start_time = pwg_get_moment(); + +// Initializing message for web page +$g_refresh = ''; +$g_header = ''; +$g_message = ''; +$g_footer = ''; +$g_listing = ''; - <li> - <a href="create_listing_file.php?action=clean">Clean</a> - </li> -</ul> -<pre>'; +pwg_init(); + +while(pwg_continue()) +{ + if (is_callable('pwg_'.$_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(); } -echo '</pre>'; + ?> +<html> + <head> + <?php echo $g_refresh; ?> + <title>Manage distant 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">Php</span> + <span class="w">Web</span> + <span class="g">Gallery</span> + distant site<? echo $g_header; ?> + </fieldset> + <fieldset> +<?php echo $g_message; ?> + </fieldset> + <fieldset class="footer"> + <div class="pwg_block"> + Powered by <a href="http://www.phpwebgallery.net" class="pwg"><span class="p">Php</span><span class="w">Web</span><span class="g">Gallery</span></a> + </div> + <?php echo $g_footer; ?> + </fieldset> + </div> + </body> +</html> |