<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based photo gallery | // +-----------------------------------------------------------------------+ // | Copyright(C) 2008-2012 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. | // +-----------------------------------------------------------------------+ include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); include_once(PHPWG_ROOT_PATH.'admin/include/image.class.php'); // add default event handler for image and thumbnail resize add_event_handler('upload_image_resize', 'pwg_image_resize', EVENT_HANDLER_PRIORITY_NEUTRAL, 7); add_event_handler('upload_thumbnail_resize', 'pwg_image_resize', EVENT_HANDLER_PRIORITY_NEUTRAL, 9); function get_upload_form_config() { // default configuration for upload $upload_form_config = array( 'original_resize' => array( 'default' => false, 'can_be_null' => false, ), 'original_resize_maxwidth' => array( 'default' => 2000, 'min' => 500, 'max' => 20000, 'pattern' => '/^\d+$/', 'can_be_null' => false, 'error_message' => l10n('The original maximum width must be a number between %d and %d'), ), 'original_resize_maxheight' => array( 'default' => 2000, 'min' => 300, 'max' => 20000, 'pattern' => '/^\d+$/', 'can_be_null' => false, 'error_message' => l10n('The original maximum height must be a number between %d and %d'), ), 'original_resize_quality' => array( 'default' => 95, 'min' => 50, 'max' => 98, 'pattern' => '/^\d+$/', 'can_be_null' => false, 'error_message' => l10n('The original image quality must be a number between %d and %d'), ), ); return $upload_form_config; } function save_upload_form_config($data, &$errors=array(), &$form_errors=array()) { if (!is_array($data) or empty($data)) { return false; } $upload_form_config = get_upload_form_config(); $updates = array(); foreach ($data as $field => $value) { if (!isset($upload_form_config[$field])) { continue; } if (is_bool($upload_form_config[$field]['default'])) { if (isset($value)) { $value = true; } else { $value = false; } $updates[] = array( 'param' => $field, 'value' => boolean_to_string($value) ); } elseif ($upload_form_config[$field]['can_be_null'] and empty($value)) { $updates[] = array( 'param' => $field, 'value' => 'false' ); } else { $min = $upload_form_config[$field]['min']; $max = $upload_form_config[$field]['max']; $pattern = $upload_form_config[$field]['pattern']; if (preg_match($pattern, $value) and $value >= $min and $value <= $max) { $updates[] = array( 'param' => $field, 'value' => $value ); } else { array_push( $errors, sprintf( $upload_form_config[$field]['error_message'], $min, $max ) ); $form_errors[$field] = '['.$min.' .. '.$max.']'; } } } if (count($errors) == 0) { mass_updates( CONFIG_TABLE, array( 'primary' => array('param'), 'update' => array('value') ), $updates ); return true; } return false; } function add_uploaded_file($source_filepath, $original_filename=null, $categories=null, $level=null, $image_id=null, $original_md5sum=null) { // 1) move uploaded file to upload/2010/01/22/20100122003814-449ada00.jpg // // 2) keep/resize original // // 3) register in database // TODO // * check md5sum (already exists?) global $conf, $user; if (isset($original_md5sum)) { $md5sum = $original_md5sum; } else { $md5sum = md5_file($source_filepath); } $file_path = null; if (isset($image_id)) { // this photo already exists, we update it $query = ' SELECT path FROM '.IMAGES_TABLE.' WHERE id = '.$image_id.' ;'; $result = pwg_query($query); while ($row = pwg_db_fetch_assoc($result)) { $file_path = $row['path']; } if (!isset($file_path)) { die('['.__FUNCTION__.'] this photo does not exist in the database'); } // delete all physical files related to the photo (thumbnail, web site, HD) delete_element_files(array($image_id)); } else { // this photo is new // current date list($dbnow) = pwg_db_fetch_row(pwg_query('SELECT NOW();')); list($year, $month, $day) = preg_split('/[^\d]/', $dbnow, 4); // upload directory hierarchy $upload_dir = sprintf( PHPWG_ROOT_PATH.$conf['upload_dir'].'/%s/%s/%s', $year, $month, $day ); // compute file path $date_string = preg_replace('/[^\d]/', '', $dbnow); $random_string = substr($md5sum, 0, 8); $filename_wo_ext = $date_string.'-'.$random_string; $file_path = $upload_dir.'/'.$filename_wo_ext.'.'; list($width, $height, $type) = getimagesize($source_filepath); if (IMAGETYPE_PNG == $type) { $file_path.= 'png'; } elseif (IMAGETYPE_GIF == $type) { $file_path.= 'gif'; } else { $file_path.= 'jpg'; } prepare_directory($upload_dir); } if (is_uploaded_file($source_filepath)) { move_uploaded_file($source_filepath, $file_path); } else { rename($source_filepath, $file_path); } if (pwg_image::get_library() != 'gd') { if ($conf['original_resize']) { $need_resize = need_resize($file_path, $conf['original_resize_maxwidth'], $conf['original_resize_maxheight']); if ($need_resize) { $img = new pwg_image($file_path); $img->pwg_resize( $file_path, $conf['original_resize_maxwidth'], $conf['original_resize_maxheight'], $conf['original_resize_quality'], $conf['upload_form_automatic_rotation'], false ); $img->destroy(); } } } // we need to save the rotation angle in the database to compute // width/height of "multisizes" $rotation_angle = pwg_image::get_rotation_angle($file_path); $rotation = pwg_image::get_rotation_code_from_angle($rotation_angle); $file_infos = pwg_image_infos($file_path); if (isset($image_id)) { $update = array( 'file' => pwg_db_real_escape_string(isset($original_filename) ? $original_filename : basename($file_path)), 'filesize' => $file_infos['filesize'], 'width' => $file_infos['width'], 'height' => $file_infos['height'], 'md5sum' => $md5sum, 'added_by' => $user['id'], 'rotation' => $rotation, ); if (isset($level)) { $update['level'] = $level; } single_update( IMAGES_TABLE, $update, array('id' => $image_id) ); } else { // database registration $file = pwg_db_real_escape_string(isset($original_filename) ? $original_filename : basename($file_path)); $insert = array( 'file' => $file, 'name' => get_name_from_file($file), 'date_available' => $dbnow, 'path' => preg_replace('#^'.preg_quote(PHPWG_ROOT_PATH).'#', '', $file_path), 'filesize' => $file_infos['filesize'], 'width' => $file_infos['width'], 'height' => $file_infos['height'], 'md5sum' => $md5sum, 'added_by' => $user['id'], 'rotation' => $rotation, ); if (isset($level)) { $insert['level'] = $level; } single_insert(IMAGES_TABLE, $insert); $image_id = pwg_db_insert_id(IMAGES_TABLE); } if (isset($categories) and count($categories) > 0) { associate_images_to_categories( array($image_id), $categories ); } // update metadata from the uploaded file (exif/iptc) if ($conf['use_exif'] and !function_exists('read_exif_data')) { $conf['use_exif'] = false; } sync_metadata(array($image_id)); invalidate_user_cache(); // cache thumbnail $query = ' SELECT id, path FROM '.IMAGES_TABLE.' WHERE id = '.$image_id.' ;'; $image_infos = pwg_db_fetch_assoc(pwg_query($query)); set_make_full_url(); // in case we are on uploadify.php, we have to replace the false path $thumb_url = preg_replace('#admin/include/i#', 'i', DerivativeImage::thumb_url($image_infos)); unset_make_full_url(); fetchRemote($thumb_url, $dest); return $image_id; } function prepare_directory($directory) { if (!is_dir($directory)) { if (substr(PHP_OS, 0, 3) == 'WIN') { $directory = str_replace('/', DIRECTORY_SEPARATOR, $directory); } umask(0000); $recursive = true; if (!@mkdir($directory, 0777, $recursive)) { die('[prepare_directory] cannot create directory "'.$directory.'"'); } } if (!is_writable($directory)) { // last chance to make the directory writable @chmod($directory, 0777); if (!is_writable($directory)) { die('[prepare_directory] directory "'.$directory.'" has no write access'); } } secure_directory($directory); } function need_resize($image_filepath, $max_width, $max_height) { // TODO : the resize check should take the orientation into account. If a // rotation must be applied to the resized photo, then we should test // invert width and height. list($width, $height) = getimagesize($image_filepath); if ($width > $max_width or $height > $max_height) { return true; } return false; } function pwg_image_infos($path) { list($width, $height) = getimagesize($path); $filesize = floor(filesize($path)/1024); return array( 'width' => $width, 'height' => $height, 'filesize' => $filesize, ); } function is_valid_image_extension($extension) { return in_array(strtolower($extension), array('jpg', 'jpeg', 'png', 'gif')); } function file_upload_error_message($error_code) { switch ($error_code) { case UPLOAD_ERR_INI_SIZE: return sprintf( l10n('The uploaded file exceeds the upload_max_filesize directive in php.ini: %sB'), get_ini_size('upload_max_filesize', false) ); case UPLOAD_ERR_FORM_SIZE: return l10n('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'); case UPLOAD_ERR_PARTIAL: return l10n('The uploaded file was only partially uploaded'); case UPLOAD_ERR_NO_FILE: return l10n('No file was uploaded'); case UPLOAD_ERR_NO_TMP_DIR: return l10n('Missing a temporary folder'); case UPLOAD_ERR_CANT_WRITE: return l10n('Failed to write file to disk'); case UPLOAD_ERR_EXTENSION: return l10n('File upload stopped by extension'); default: return l10n('Unknown upload error'); } } function get_ini_size($ini_key, $in_bytes=true) { $size = ini_get($ini_key); if ($in_bytes) { $size = convert_shorthand_notation_to_bytes($size); } return $size; } function convert_shorthand_notation_to_bytes($value) { $suffix = substr($value, -1); $multiply_by = null; if ('K' == $suffix) { $multiply_by = 1024; } else if ('M' == $suffix) { $multiply_by = 1024*1024; } else if ('G' == $suffix) { $multiply_by = 1024*1024*1024; } if (isset($multiply_by)) { $value = substr($value, 0, -1); $value*= $multiply_by; } return $value; } function add_upload_error($upload_id, $error_message) { if (!isset($_SESSION['uploads_error'])) { $_SESSION['uploads_error'] = array(); } if (!isset($_SESSION['uploads_error'][$upload_id])) { $_SESSION['uploads_error'][$upload_id] = array(); } array_push($_SESSION['uploads_error'][$upload_id], $error_message); } function ready_for_upload_message() { global $conf; $relative_dir = preg_replace('#^'.PHPWG_ROOT_PATH.'#', '', $conf['upload_dir']); if (!is_dir($conf['upload_dir'])) { if (!is_writable(dirname($conf['upload_dir']))) { return sprintf( l10n('Create the "%s" directory at the root of your Piwigo installation'), $relative_dir ); } } else { if (!is_writable($conf['upload_dir'])) { @chmod($conf['upload_dir'], 0777); if (!is_writable($conf['upload_dir'])) { return sprintf( l10n('Give write access (chmod 777) to "%s" directory at the root of your Piwigo installation'), $relative_dir ); } } } return null; } ?>