e2pdf / classes / helper / e2pdf-view.php

e2pdf-view.php in E2Pdf – Export Pdf Tool for WordPress 1.08.06, at classes/helper/e2pdf-view.php

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1	<?php
2
3	/**
4	* E2pdf View Helper
5	*
6	* @copyright Copyright 2017 https://e2pdf.com
7	* @license GPL v2
8	* @version 1
9	* @link https://e2pdf.com
10	* @since 0.00.01
11	*/
12	if (!defined('ABSPATH')) {
13	die('Access denied.');
14	}
15
16	class Helper_E2pdf_View {
17
18	protected static $instance = null;
19	private $view_dir;
20	public $uri;
21	public $page;
22	public $controller;
23	public $helper;
24	public $notification;
25	public $tpl;
26	public $tpl_page;
27	public $view = null;
28	public $tpl_args = null;
29	public $get = null;
30	public $post = null;
31	public $files = null;
32
33	public static function instance() {
34	if (!isset(self::$instance)) {
35	self::$instance = new self();
36	}
37	return self::$instance;
38	}
39
40	public function __construct() {
41	$this->view = new stdClass();
42	$this->uri = home_url(add_query_arg(null, null));
43	$this->get = new Helper_E2pdf_Get($this->uri);
44	$this->post = new Helper_E2pdf_Post();
45	$this->files = new Helper_E2pdf_Files();
46	$this->page = $this->get->get_page();
47	$this->helper = Helper_E2pdf_Helper::instance();
48	$this->notification = new Model_E2pdf_Notification();
49	$this->view_dir = $this->helper->get('plugin_dir') . 'classes/view/';
50	}
51
52	/**
53	* Get Tpl Value
54	*
55	* @param string $key - Tpl key
56	*
57	* @return mixed - Tpl value
58	*/
59	public function render($type, $element, $args = array()) {
60	$this->tpl_args = new Helper_E2pdf_Tplargs($args);
61	$this->tpl = $this->view_dir . $type . '/' . $element . '.php';
62	if (file_exists($this->tpl)) {
63	include($this->tpl);
64	}
65	}
66
67	/**
68	* Get Tpl Value
69	*
70	* @param string $key - Tpl key
71	*
72	* @return mixed - Tpl value
73	*/
74	public function render_metabox($post, $metabox) {
75	$this->render('metaboxes', $metabox['args']['tpl']);
76	}
77
78	/**
79	* Get Tpl Value
80	*
81	* @param string $key - Tpl key
82	*
83	* @return mixed - Tpl value
84	*/
85	public function render_page() {
86
87	if (get_option('e2pdf_developer')) {
88	if (in_array($this->helper->get_ip(), Model_E2pdf_Options::get_option('e2pdf_developer_ips'))) {
89	error_reporting(E_ALL);
90	ini_set('display_startup_errors', 1);
91	ini_set('display_errors', 1);
92	}
93	}
94
95	$this->tpl_page = $this->view_dir . 'page-' . $this->page . '.php';
96	$controller = $this->page_to_controller($this->page);
97	if (class_exists($controller)) {
98	$this->controller = new $controller();
99	if ($this->get->get('action')) {
100	$method = $this->get->get('action') . '_action';
101	} else {
102	$method = 'index_action';
103	}
104	if (method_exists($this->controller, $method)) {
105	$this->controller->$method();
106	$this->view = $this->controller->view;
107	} else {
108	$this->error('404');
109	}
110	}
111
112	if (file_exists($this->tpl_page)) {
113	include($this->tpl_page);
114	}
115	}
116
117	public function render_frontend_page() {
118	if ($this->page == 'e2pdf-download') {
119	$this->tpl_page = $this->view_dir . '/frontend/page-' . $this->page . '.php';
120	$controller = $this->page_to_controller($this->page, true);
121	if (class_exists($controller)) {
122	$this->controller = new $controller();
123	if ($this->get->get('action')) {
124	$method = $this->get->get('action') . '_action';
125	} else {
126	$method = 'index_action';
127	}
128	if (method_exists($this->controller, $method)) {
129	$this->controller->$method();
130	} else {
131	$this->error('404');
132	}
133	}
134
135	if (file_exists($this->tpl_page)) {
136	include($this->tpl_page);
137	}
138	}
139	}
140
141	/**
142	* Get Tpl Value
143	*
144	* @param string $key - Tpl key
145	*
146	* @return mixed - Tpl value
147	*/
148	public function page_to_controller($page, $frontend = false) {
149
150	$controller = array(
151	'Controller'
152	);
153
154	if ($frontend) {
155	$controller[] = 'Frontend';
156	}
157
158	$controller = array_merge($controller, explode('-', $page));
159	$controller = array_map('ucfirst', $controller);
160
161	return implode("_", $controller);
162	}
163
164	/**
165	* Redirect to page
166	*
167	* @param string $location - Full url where to redirect
168	*/
169	public function redirect($location) {
170	if (headers_sent()) {
171	die("<script>window.location='{$location}';</script>");
172	} else {
173	wp_redirect($location);
174	exit();
175	}
176	}
177
178	/**
179	* Add notification
180	*
181	* @param string $type - Type of notification error\|update
182	* @param string $text - Text of notification
183	*/
184	public function add_notification($type, $text) {
185	$this->notification->add_notification($type, $text);
186	}
187
188	/**
189	* Get notifications
190	*
191	* @return array - List of notifications
192	*/
193	public function get_notifications() {
194	$notifications = $this->notification->get_notifications();
195	return $notifications;
196	}
197
198	/**
199	* Force Json response
200	*
201	* @param array $data - Array of data
202	*
203	* @return json
204	*/
205	public function json_response($data = array()) {
206	@header('Content-Type: application/json; charset=' . get_option('blog_charset'));
207	if (function_exists('wp_json_encode')) {
208	echo wp_json_encode($data, JSON_FORCE_OBJECT);
209	} else {
210	echo json_encode($data, JSON_FORCE_OBJECT);
211	}
212	wp_die();
213	}
214
215	/**
216	* Force close browser tab from PHP
217	*/
218	public function close_tab_response() {
219	echo "
220	<script>
221	self.close();
222	</script>
223	";
224	}
225
226	/**
227	* Force Download response
228	*
229	* @param string $format - Format of file
230	* @param string $file - Base64 Encoded File
231	* @param string $name - Name of file when download
232	* @param string $disposition - Disposition of file inline\|attachment
233	*
234	* @return string
235	*/
236	public function download_response($format = 'pdf', $file, $name = false, $disposition = false) {
237	ob_end_clean();
238
239	if (!$name) {
240	$name = time();
241	}
242
243	$name = $this->helper->load('convert')->to_file_name($name);
244
245	header('Content-Transfer-Encoding: binary');
246	header('Content-Length: ' . strlen(base64_decode($file)));
247	switch ($format) {
248	case 'pdf':
249	if (!$disposition) {
250	$disposition = 'inline';
251	}
252	header("Content-Disposition: {$disposition}; filename=\"{$name}.pdf\"");
253	header("Content-type: application/pdf");
254	break;
255	case 'zip':
256	if (!$disposition) {
257	$disposition = 'attachment';
258	}
259	header("Content-Disposition: {$disposition}; filename=\"{$name}.zip\"");
260	header('Content-type: application/zip');
261	break;
262
263	case 'xml':
264	if (!$disposition) {
265	$disposition = 'attachment';
266	}
267	header("Content-Disposition: {$disposition}; filename=\"{$name}.xml\"");
268	header('Content-type: text/xml');
269	break;
270
271	case 'txt':
272	if (!$disposition) {
273	$disposition = 'attachment';
274	}
275	header("Content-Disposition: {$disposition}; filename=\"{$name}.txt\"");
276	header('Content-type: text/html');
277	break;
278
279	case 'php':
280	if (!$disposition) {
281	$disposition = 'attachment';
282	}
283	header("Content-Disposition: {$disposition}; filename=\"{$name}.php\"");
284	header('Content-type: text/html');
285	break;
286
287	default:
288	break;
289	}
290	echo base64_decode($file);
291	die();
292	}
293
294	/**
295	* Check if exists in array
296	*
297	* @param string $value - Array Key
298	* @param mixed $compare
299	* @param array $data - Array of data
300	*
301	* @return bool
302	*/
303	public function exist($value, $compare = false, $data = array()) {
304	if (isset($data[$value]) && $value === $compare) {
305	return true;
306	} else {
307	return false;
308	}
309	}
310
311	/**
312	* Force Error
313	*
314	* @param string $code - Error Code
315	*/
316	public function error($code = '404') {
317	global $wp_query;
318	if ($code === '404') {
319	$wp_query->set_404();
320	status_header(404);
321	$this->redirect(site_url('wp-admin'));
322	wp_die('404');
323	}
324	}
325
326	/**
327	* Set var available to view template
328	*
329	* @param string $key - Key of value
330	* @param mixed $value - Value
331	*/
332	public function view($key, $value) {
333	$this->view->$key = $value;
334	}
335
336	/**
337	* Check if Array/Object Empty
338	*
339	* @param mixed $data - Object/Array to check
340	*
341	* @return bool
342	*/
343	public function is_empty($data) {
344	if (is_object($data) \|\| is_array($data)) {
345
346	if (is_object($data)) {
347	$data = (array) $data;
348	}
349	if (count($data) > 0) {
350	return false;
351	}
352	}
353
354	return true;
355	}
356
357	/**
358	* Verify nonce
359	*
360	* @param string $nonce - Nonce value
361	* @param string $key - Nonce Key
362	*/
363	public function check_nonce($nonce, $key) {
364	$message = __('Security Issue: Nonce Incorrect', 'e2pdf');
365	if ($key === 'e2pdf_ajax') {
366	if (!wp_verify_nonce($nonce, $key)) {
367	$data['error'] = $message;
368	$this->json_response($data);
369	}
370	} else {
371	if (!wp_verify_nonce($nonce, $key)) {
372	die('<div id="message" class="error e2pdf-notice">' . $message . '</div>');
373	}
374	}
375	}
376
377	}
378