public static function get_writable_file($args, $extension = null)
{
if (is_string($args)) {
$args = array('name' => $args);
} else {
if (!is_array($args)) {
$args = array();
}
}
$default_args = array('name' => '', 'extension' => '', 'create_new' => false, 'rename' => false, 'require_existing' => false, 'permissions' => 0644, 'path_permissions' => 0755, 'default_search_paths' => array('uploads_basedir', 'uploads_path', 'wp-content', 'abspath'), 'custom_search_paths' => array());
$args = array_merge($default_args, $args);
if (empty($args['name'])) {
return new WP_Error('get_writable_file_no_name', 'The call to ITFileUtility::get_writable_file is missing the name attribute');
}
if (is_null($extension)) {
$extension = $args['extension'];
}
if (!empty($extension) && !preg_match('/^\\./', $extension)) {
$extension = ".{$extension}";
}
$base_path = ITFileUtility::get_writable_directory(array('permissions' => $args['path_permissions'], 'default_search_paths' => $args['default_search_paths'], 'custom_search_paths' => $args['custom_search_paths']));
if (is_wp_error($base_path)) {
return $base_path;
}
$name = $args['name'];
if (preg_match('|/|', $name)) {
$base_path .= '/' . dirname($name);
$name = basename($name);
}
$file = "{$base_path}/{$name}{$extension}";
if (is_file($file)) {
if (true === $args['create_new']) {
if (false === $args['rename']) {
return new WP_Error('get_writable_file_no_rename', 'Unable to create the named writable file');
}
$name = ITFileUtility::get_unique_name($base_path, $name, $extension);
$file = "{$base_path}/{$name}";
} else {
if (is_writable($file)) {
return $file;
}
return new WP_Error('get_writable_file_cannot_write', 'Required file exists but is not writable');
}
} else {
if (true === $args['require_existing']) {
return new WP_Error('get_writable_file_does_not_exist', 'Required writable file does not exist');
}
}
if (true === ITFileUtility::is_file_writable($file)) {
@chmod($file, $args['permissions']);
return $file;
}
return new WP_Error('get_writable_file_failed', 'Unable to create a writable file');
}
function _save()
{
it_classes_load('it-file-utility.php');
$data = ITForm::get_post_data();
if (ITFileUtility::file_uploaded('uploaded_favicon')) {
if (preg_match('/\\.ico$/', $_FILES['uploaded_favicon']['name'])) {
$path = ITFileUtility::get_writable_directory('builder-favicon');
$name = ITUtility::get_random_string(array(6, 10)) . '.ico';
if (copy($_FILES['uploaded_favicon']['tmp_name'], "{$path}/{$name}")) {
$data['favicon']['file'] = "{$path}/{$name}";
$data['favicon']['url'] = ITFileUtility::get_url_from_file("{$path}/{$name}");
@chmod("{$path}/{$name}", 0644);
} else {
$this->_errors[] = new WP_Error('unable-to-save-favicon', __('Unable to save the supplied Favicon image file. Pleave verify that the wp-content/uploads directory can be written to.', 'it-l10n-Builder-Cohen'));
}
} else {
$file = ITFileUtility::create_favicon('builder-favicon', $_FILES['uploaded_favicon']['tmp_name']);
if (false != $file) {
$url = ITFileUtility::get_url_from_file($file);
$data['favicon'] = array('file' => $file, 'url' => $url);
$original_extension = strtolower(preg_replace('/.+\\.([^.]+)$/', '\\1', $_FILES['uploaded_favicon']['name']));
$original_file = preg_replace('/\\.ico/', "-original.{$original_extension}", $file);
$original_url = ITFileUtility::get_url_from_file($original_file);
if (copy($_FILES['uploaded_favicon']['tmp_name'], $original_file)) {
$data['favicon']['original_file'] = $original_file;
$data['favicon']['original_url'] = $original_url;
if (false !== ($file_data = @file_get_contents($original_file))) {
if (false !== ($im = @imagecreatefromstring($file_data))) {
list($width, $height) = getimagesize($original_file);
$new_im = imagecreatetruecolor(16, 16);
imagecolortransparent($new_im, imagecolorallocatealpha($new_im, 0, 0, 0, 127));
imagealphablending($new_im, false);
imagesavealpha($new_im, true);
if (false !== imagecopyresampled($new_im, $im, 0, 0, 0, 0, 16, 16, $width, $height)) {
$resized_file = preg_replace('/(\\.[^.]+)$/', '-resized\\1', $original_file);
$result = imagepng($new_im, $resized_file);
if (true == $result) {
$data['favicon']['original_resized_file'] = $resized_file;
$data['favicon']['original_resized_url'] = ITFileUtility::get_url_from_file($resized_file);
}
}
}
unset($file_data);
}
}
} else {
$this->_errors[] = new WP_Error('unable-to-create-favicon', __('Unable to generate a Favicon image from the supplied file. Please verify that the file is a valid JPG, JPEG, PNG, GIF, or ICO image.', 'it-l10n-Builder-Cohen'));
}
}
}
$this->_options = array_merge($this->_options, $data);
$this->_parent->_save();
}
public static function create_favicon($dir_name, $image, $sizes = false)
{
it_classes_load('it-file-utility.php');
require_once dirname(__FILE__) . '/classes/class-php-ico.php';
if (!is_array($sizes) || false === $sizes) {
$sizes = array(array(16, 16), array(24, 24), array(32, 32), array(48, 48));
}
$ico = new PHP_ICO($image, $sizes);
$path = ITFileUtility::get_writable_directory($dir_name);
while (empty($name) || file_exists("{$path}/{$name}")) {
$name = ITUtility::get_random_string(array(6, 10)) . '.ico';
}
$result = $ico->save_ico("{$path}/{$name}");
if (true != $result) {
return false;
}
@chmod("{$path}/{$name}", 0644);
return "{$path}/{$name}";
}
