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piwigo_ynh/sources/admin/include/functions_upload.inc.php
2014-07-06 13:21:10 +02:00

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PHP

<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2014 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
{
$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;
$is_tiff = false;
if (isset($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';
}
elseif (IMAGETYPE_TIFF_MM == $type or IMAGETYPE_TIFF_II == $type)
{
$is_tiff = true;
$file_path.= 'tif';
}
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, $file_path);
}
@chmod($file_path, 0644);
if ($is_tiff and pwg_image::get_library() == 'ext_imagick')
{
// move the uploaded file to pwg_representative sub-directory
$representative_file_path = dirname($file_path).'/pwg_representative/';
$representative_file_path.= get_filename_wo_extension(basename($file_path)).'.';
$representative_ext = $conf['tiff_representative_ext'];
$representative_file_path.= $representative_ext;
prepare_directory(dirname($representative_file_path));
$exec = $conf['ext_imagick_dir'].'convert';
if ('jpg' == $conf['tiff_representative_ext'])
{
$exec .= ' -quality 98';
}
$exec .= ' "'.realpath($file_path).'"';
$dest = pathinfo($representative_file_path);
$exec .= ' "'.realpath($dest['dirname']).'/'.$dest['basename'].'"';
$exec .= ' 2>&1';
@exec($exec, $returnarray);
// sometimes ImageMagick creates file-0.jpg (full size) + file-1.jpg
// (thumbnail). I don't know how to avoid it.
$representative_file_abspath = realpath($dest['dirname']).'/'.$dest['basename'];
if (!file_exists($representative_file_abspath))
{
$first_file_abspath = preg_replace(
'/\.'.$representative_ext.'$/',
'-0.'.$representative_ext,
$representative_file_abspath
);
if (file_exists($first_file_abspath))
{
rename($first_file_abspath, $representative_file_abspath);
}
}
}
if (pwg_image::get_library() != 'gd')
{
if ($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'] = $level;
}
if (isset($representative_ext))
{
$insert['representative_ext'] = $representative_ext;
}
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)
{
$_SESSION['uploads_error'][$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;
}
?>