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<?php defined("SYSPATH") or die("No direct script access.");
/**
* Gallery - a web based photo album viewer and editor
* Copyright (C) 2000-2013 Bharat Mediratta
*
* 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; either version 2 of the License, or (at
* your option) any later version.
*
* 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
class Admin_Watermarks_Controller extends Admin_Controller {
public function index() {
$name = module::get_var("watermark", "name");
$view = new Admin_View("admin.html");
$view->page_title = t("Watermarks");
$view->content = new View("admin_watermarks.html");
if ($name) {
$view->content->name = module::get_var("watermark", "name");
$view->content->url = url::file("var/modules/watermark/$name");
$view->content->width = module::get_var("watermark", "width");
$view->content->height = module::get_var("watermark", "height");
$view->content->position = module::get_var("watermark", "position");
}
print $view;
}
public function form_edit() {
print watermark::get_edit_form();
}
public function edit() {
access::verify_csrf();
$form = watermark::get_edit_form();
if ($form->validate()) {
module::set_var("watermark", "position", $form->edit_watermark->position->value);
module::set_var("watermark", "transparency", $form->edit_watermark->transparency->value);
$this->_update_graphics_rules();
log::success("watermark", t("Watermark changed"));
message::success(t("Watermark changed"));
json::reply(
array("result" => "success",
"location" => url::site("admin/watermarks")));
} else {
json::reply(array("result" => "error", "html" => (string)$form));
}
}
public function form_delete() {
print watermark::get_delete_form();
}
public function delete() {
access::verify_csrf();
$form = watermark::get_delete_form();
if ($form->validate()) {
if ($name = basename(module::get_var("watermark", "name"))) {
@unlink(VARPATH . "modules/watermark/$name");
module::clear_var("watermark", "name");
module::clear_var("watermark", "width");
module::clear_var("watermark", "height");
module::clear_var("watermark", "mime_type");
module::clear_var("watermark", "position");
$this->_update_graphics_rules();
log::success("watermark", t("Watermark deleted"));
message::success(t("Watermark deleted"));
}
json::reply(array("result" => "success", "location" => url::site("admin/watermarks")));
} else {
json::reply(array("result" => "error", "html" => (string)$form));
}
}
public function form_add() {
print watermark::get_add_form();
}
public function add() {
access::verify_csrf();
$form = watermark::get_add_form();
// For TEST_MODE, we want to simulate a file upload. Because this is not a true upload, Forge's
// validation logic will correctly reject it. So, we skip validation when we're running tests.
if (TEST_MODE || $form->validate()) {
$file = $_POST["file"];
$pathinfo = pathinfo($file);
// Forge prefixes files with "uploadfile-xxxxxxx" for uniqueness
$name = preg_replace("/uploadfile-[^-]+-(.*)/", '$1', $pathinfo["basename"]);
$name = legal_file::smash_extensions($name);
list ($width, $height, $mime_type, $extension) = photo::get_file_metadata($file);
if (!$width || !$height || !$mime_type || !$extension ||
!legal_file::get_photo_extensions($extension)) {
message::error(t("Invalid or unidentifiable image file"));
@unlink($file);
return;
} else {
// Force correct, legal extension type on file, which will be of our canonical type
// (i.e. all lowercase, jpg instead of jpeg, etc.). This renaming prevents the issues
// addressed in ticket #1855, where an image that looked valid (header said jpg) with a
// php extension was previously accepted without changing its extension.
$name = legal_file::change_extension($name, $extension);
}
rename($file, VARPATH . "modules/watermark/$name");
module::set_var("watermark", "name", $name);
module::set_var("watermark", "width", $width);
module::set_var("watermark", "height", $height);
module::set_var("watermark", "mime_type", $mime_type);
module::set_var("watermark", "position", $form->add_watermark->position->value);
module::set_var("watermark", "transparency", $form->add_watermark->transparency->value);
$this->_update_graphics_rules();
@unlink($file);
message::success(t("Watermark saved"));
log::success("watermark", t("Watermark saved"));
json::reply(array("result" => "success", "location" => url::site("admin/watermarks")));
} else {
// rawurlencode the results because the JS code that uploads the file buffers it in an
// iframe which entitizes the HTML and makes it difficult for the JS to process. If we url
// encode it now, it passes through cleanly. See ticket #797.
json::reply(array("result" => "error", "html" => rawurlencode((string)$form)));
}
// Override the application/json mime type. The dialog based HTML uploader uses an iframe to
// buffer the reply, and on some browsers (Firefox 3.6) it does not know what to do with the
// JSON that it gets back so it puts up a dialog asking the user what to do with it. So force
// the encoding type back to HTML for the iframe.
// See: http://jquery.malsup.com/form/#file-upload
header("Content-Type: text/html; charset=" . Kohana::CHARSET);
}
private function _update_graphics_rules() {
graphics::remove_rules("watermark");
if ($name = module::get_var("watermark", "name")) {
foreach (array("thumb", "resize") as $target) {
graphics::add_rule(
"watermark", $target, "gallery_graphics::composite",
array("file" => VARPATH . "modules/watermark/$name",
"width" => module::get_var("watermark", "width"),
"height" => module::get_var("watermark", "height"),
"position" => module::get_var("watermark", "position"),
"transparency" => 101 - module::get_var("watermark", "transparency")),
1000);
}
}
}
}
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