<?php // TODO // * check md5sum (already exists?) include_once(PHPWG_ROOT_PATH.'include/common.inc.php'); include_once(PHPWG_ROOT_PATH.'include/ws_functions.inc.php'); include_once(PHPWG_ROOT_PATH.'admin/include/functions.php'); // Here is the plan // // 1) move uploaded file to upload/2010/01/22/20100122003814-449ada00.jpg // // 2) if taller than max_height or wider than max_width, move to pwg_high // + web sized creation // // 3) thumbnail creation from web sized // // 4) register in database // add default event handler for image and thumbnail resize add_event_handler('upload_image_resize', 'pwg_image_resize', EVENT_HANDLER_PRIORITY_NEUTRAL, 6); add_event_handler('upload_thumbnail_resize', 'pwg_image_resize', EVENT_HANDLER_PRIORITY_NEUTRAL, 6); function add_uploaded_file($source_filepath, $original_filename=null, $categories=null, $level=null) { global $conf; // current date list($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 $md5sum = md5_file($source_filepath); $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'; } else { $file_path.= 'jpg'; } prepare_directory($upload_dir); if (is_uploaded_file($source_filepath)) { move_uploaded_file($source_filepath, $file_path); } else { copy($source_filepath, $file_path); } if ($conf['upload_form_websize_resize'] and need_resize($file_path, $conf['upload_form_websize_maxwidth'], $conf['upload_form_websize_maxheight'])) { $high_path = file_path_for_type($file_path, 'high'); $high_dir = dirname($high_path); prepare_directory($high_dir); rename($file_path, $high_path); $high_infos = pwg_image_infos($high_path); trigger_event('upload_image_resize', false, $high_path, $file_path, $conf['upload_form_websize_maxwidth'], $conf['upload_form_websize_maxheight'], $conf['upload_form_websize_quality'] ); } $file_infos = pwg_image_infos($file_path); $thumb_path = file_path_for_type($file_path, 'thumb'); $thumb_dir = dirname($thumb_path); prepare_directory($thumb_dir); trigger_event('upload_thumbnail_resize', false, $file_path, $thumb_path, $conf['upload_form_thumb_maxwidth'], $conf['upload_form_thumb_maxheight'], $conf['upload_form_thumb_quality'] ); $thumb_infos = pwg_image_infos($thumb_path); // database registration $insert = array( 'file' => isset($original_filename) ? $original_filename : basename($file_path), 'date_available' => $dbnow, 'tn_ext' => 'jpg', 'path' => preg_replace('#^'.preg_quote(PHPWG_ROOT_PATH).'#', '', $file_path), 'filesize' => $file_infos['filesize'], 'width' => $file_infos['width'], 'height' => $file_infos['height'], 'md5sum' => $md5sum, ); if (isset($high_infos)) { $insert['has_high'] = 'true'; $insert['high_filesize'] = $high_infos['filesize']; } if (isset($level)) { $insert['level'] = $level; } mass_inserts( IMAGES_TABLE, array_keys($insert), array($insert) ); $image_id = pwg_db_insert_id(); if (isset($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')) { $conf['use_exif'] = false; } update_metadata(array($image_id=>$file_path)); invalidate_user_cache(); 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, $max_height) { list($width, $height) = getimagesize($image_filepath); if ($width > $max_width or $height > $max_height) { return true; } return false; } function pwg_image_resize($result, $source_filepath, $destination_filepath, $max_width, $max_height, $quality) { if ($result !== false) { //someone hooked us - so we skip return $result; } if (!function_exists('gd_info')) { return false; } // extension of the picture filename $extension = strtolower(get_extension($source_filepath)); $source_image = null; if (in_array($extension, array('jpg', 'jpeg'))) { $source_image = imagecreatefromjpeg($source_filepath); } else if ($extension == 'png') { $source_image = imagecreatefrompng($source_filepath); } else { die('unsupported file extension'); } // width/height $source_width = imagesx($source_image); $source_height = imagesy($source_image); $ratio_width = $source_width / $max_width; $ratio_height = $source_height / $max_height; // maximal size exceeded ? if ($ratio_width > 1 or $ratio_height > 1) { if ($ratio_width < $ratio_height) { $destination_width = ceil($source_width / $ratio_height); $destination_height = $max_height; } else { $destination_width = $max_width; $destination_height = ceil($source_height / $ratio_width); } } else { // the image doesn't need any resize! We just copy it to the destination copy($source_filepath, $destination_filepath); return true; } $destination_image = imagecreatetruecolor($destination_width, $destination_height); imagecopyresampled( $destination_image, $source_image, 0, 0, 0, 0, $destination_width, $destination_height, $source_width, $source_height ); $extension = strtolower(get_extension($destination_filepath)); if ($extension == 'png') { imagepng($destination_image, $destination_filepath); } else { imagejpeg($destination_image, $destination_filepath, $quality); } // freeing memory ressources imagedestroy($source_image); imagedestroy($destination_image); // everything should be OK if we are here! return true; } function pwg_image_infos($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($extension), array('jpg', 'jpeg', 'png')); } function file_upload_error_message($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) { $size = convert_shortand_notation_to_bytes($size); } return $size; } function convert_shortand_notation_to_bytes($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); } ?>