* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* Textpattern 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 Textpattern. If not, see <http://www.gnu.org/licenses/>.
*/
if (!defined('txpinterface')) {
die('txpinterface is undefined.');
}
global $extensions;
$extensions = get_safe_image_types();
include txpath . '/lib/class.thumb.php';
if ($event == 'image') {
require_privs('image');
global $all_image_cats, $all_image_authors;
$all_image_cats = getTree('root', 'image');
$all_image_authors = the_privileged('image.edit.own');
$available_steps = array('image_list' => false, 'image_edit' => false, 'image_insert' => true, 'image_replace' => true, 'image_save' => true, 'thumbnail_insert' => true, 'image_change_pageby' => true, 'thumbnail_create' => true, 'thumbnail_delete' => true, 'image_multi_edit' => true);
if ($step && bouncer($step, $available_steps)) {
$step();
} else {
image_list();
}
}
// -------------------------------------------------------------
function image_list($message = '')
/**
* Uploads an image.
*
* Can be used to upload a new image or replace an existing one.
* If $id is specified, the image will be replaced. If $uploaded is set FALSE,
* $file can take a local file instead of HTTP file upload variable.
*
* All uploaded files will included on the Images panel.
*
* @param array $file HTTP file upload variables
* @param array $meta Image meta data, allowed keys 'caption', 'alt', 'category'
* @param int $id Existing image's ID
* @param bool $uploaded If FALSE, $file takes a filename instead of upload vars
* @return array|string An array of array(message, id) on success, localized error string on error
* @package Image
* @example
* print_r(image_data(
* $_FILES['myfile'],
* array(
* 'caption' => '',
* 'alt' => '',
* 'category' => '',
* )
* ));
*/
function image_data($file, $meta = array(), $id = 0, $uploaded = true)
{
global $txp_user, $event;
$name = $file['name'];
$error = $file['error'];
$file = $file['tmp_name'];
if ($uploaded) {
$file = get_uploaded_file($file);
if (get_pref('file_max_upload_size') < filesize($file)) {
unlink($file);
return upload_get_errormsg(UPLOAD_ERR_FORM_SIZE);
}
}
if (empty($file)) {
return upload_get_errormsg(UPLOAD_ERR_NO_FILE);
}
list($w, $h, $extension) = getimagesize($file);
$ext = get_safe_image_types($extension);
if (!$ext) {
return gTxt('only_graphic_files_allowed');
}
$name = substr($name, 0, strrpos($name, '.')) . $ext;
$safename = doSlash($name);
$meta = lAtts(array('category' => '', 'caption' => '', 'alt' => ''), (array) $meta, false);
extract(doSlash($meta));
$q = "\n name = '{$safename}',\n ext = '{$ext}',\n w = {$w},\n h = {$h},\n alt = '{$alt}',\n caption = '{$caption}',\n category = '{$category}',\n date = now(),\n author = '" . doSlash($txp_user) . "'\n ";
if (empty($id)) {
$rs = safe_insert('txp_image', $q);
if ($rs) {
$id = $GLOBALS['ID'] = $rs;
}
$update = false;
} else {
$id = assert_int($id);
$rs = safe_update('txp_image', $q, "id = {$id}");
$update = true;
}
if (!$rs) {
return gTxt('image_save_error');
}
$newpath = IMPATH . $id . $ext;
if (shift_uploaded_file($file, $newpath) == false) {
if (!$update) {
safe_delete('txp_image', "id = {$id}");
}
unset($GLOBALS['ID']);
return $newpath . sp . gTxt('upload_dir_perms');
}
@chmod($newpath, 0644);
// GD is supported
if (check_gd($ext)) {
// Auto-generate a thumbnail using the last settings
if (get_pref('thumb_w') > 0 || get_pref('thumb_h') > 0) {
$t = new txp_thumb($id);
$t->crop = (bool) get_pref('thumb_crop');
$t->hint = '0';
$t->width = (int) get_pref('thumb_w');
$t->height = (int) get_pref('thumb_h');
$t->write();
}
}
$message = gTxt('image_uploaded', array('{name}' => $name));
update_lastmod('image_uploaded', compact('id', 'name', 'ext', 'w', 'h', 'alt', 'caption', 'category', 'txpuser'));
// call post-upload plugins with new image's $id
callback_event('image_uploaded', $event, false, $id);
return array($message, $id);
}
