e2pdf / classes / helper / e2pdf-view.php

e2pdf-view.php in E2Pdf – Export Pdf Tool for WordPress 1.01.01, 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 = Model_E2pdf_Notification::instance();
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	$model_e2pdf_options = new Model_E2pdf_Options();
89	if (in_array($this->helper->get_ip(), $model_e2pdf_options->get_option('e2pdf_developer_ips'))) {
90	error_reporting(E_ALL);
91	ini_set('display_startup_errors', 1);
92	ini_set('display_errors', 1);
93	}
94	}
95
96
97	$this->tpl_page = $this->view_dir . 'page-' . $this->page . '.php';
98	$controller = $this->page_to_controller($this->page);
99	if (class_exists($controller)) {
100	$this->controller = new $controller();
101	if ($this->get->get('action')) {
102	$method = $this->get->get('action') . '_action';
103	} else {
104	$method = 'index_action';
105	}
106	if (method_exists($this->controller, $method)) {
107	$this->controller->$method();
108	$this->view = $this->controller->view;
109	} else {
110	$this->error('404');
111	}
112	}
113
114	if (file_exists($this->tpl_page)) {
115	include($this->tpl_page);
116	}
117	}
118
119	public function render_frontend_page() {
120	if ($this->page == 'e2pdf-download') {
121	$this->tpl_page = $this->view_dir . '/frontend/page-' . $this->page . '.php';
122	$controller = $this->page_to_controller($this->page, true);
123	if (class_exists($controller)) {
124	$this->controller = new $controller();
125	if ($this->get->get('action')) {
126	$method = $this->get->get('action') . '_action';
127	} else {
128	$method = 'index_action';
129	}
130	if (method_exists($this->controller, $method)) {
131	$this->controller->$method();
132	} else {
133	$this->error('404');
134	}
135	}
136
137	if (file_exists($this->tpl_page)) {
138	include($this->tpl_page);
139	}
140	}
141	}
142
143	/**
144	* Get Tpl Value
145	*
146	* @param string $key - Tpl key
147	*
148	* @return mixed - Tpl value
149	*/
150	public function page_to_controller($page, $frontend = false) {
151
152	$controller = array(
153	'Controller'
154	);
155
156	if ($frontend) {
157	$controller[] = 'Frontend';
158	}
159
160	$controller = array_merge($controller, explode('-', $page));
161	$controller = array_map('ucfirst', $controller);
162
163	return implode("_", $controller);
164	}
165
166	/**
167	* Redirect to page
168	*
169	* @param string $location - Full url where to redirect
170	*/
171	public function redirect($location) {
172	if (headers_sent()) {
173	die("<script>window.location='{$location}';</script>");
174	} else {
175	wp_redirect($location);
176	}
177	}
178
179	/**
180	* Add notification
181	*
182	* @param string $type - Type of notification error\|update
183	* @param string $text - Text of notification
184	*/
185	public function add_notification($type, $text) {
186	$this->notification->add_notification($type, $text);
187	}
188
189	/**
190	* Get notifications
191	*
192	* @return array - List of notifications
193	*/
194	public function get_notifications() {
195	$notifications = $this->notification->get_notifications();
196	return $notifications;
197	}
198
199	/**
200	* Force Json response
201	*
202	* @param array $data - Array of data
203	*
204	* @return json
205	*/
206	public function json_response($data = array()) {
207	@header('Content-Type: application/json; charset=' . get_option('blog_charset'));
208	echo wp_json_encode($data, JSON_FORCE_OBJECT);
209	wp_die();
210	}
211
212	/**
213	* Force close browser tab from PHP
214	*/
215	public function close_tab_response() {
216	echo "
217	<script>
218	self.close();
219	</script>
220	";
221	}
222
223	/**
224	* Force Download response
225	*
226	* @param string $format - Format of file
227	* @param string $file - Base64 Encoded File
228	* @param string $name - Name of file when download
229	* @param string $disposition - Disposition of file inline\|attachment
230	*
231	* @return string
232	*/
233	public function download_response($format = 'pdf', $file, $name = false, $disposition = false) {
234	ob_end_clean();
235
236	if (!$name) {
237	$name = time();
238	}
239
240	header('Content-Transfer-Encoding: binary');
241	header('Content-Length: ' . strlen(base64_decode($file)));
242	switch ($format) {
243	case 'pdf':
244	if (!$disposition) {
245	$disposition = 'inline';
246	}
247	header("Content-Disposition: {$disposition}; filename=\"{$name}.pdf\"");
248	header("Content-type: application/pdf");
249	break;
250	case 'zip':
251	if (!$disposition) {
252	$disposition = 'attachment';
253	}
254	header("Content-Disposition: {$disposition}; filename=\"{$name}.zip\"");
255	header('Content-type: application/zip');
256	break;
257
258	case 'xml':
259	if (!$disposition) {
260	$disposition = 'attachment';
261	}
262	header("Content-Disposition: {$disposition}; filename=\"{$name}.xml\"");
263	header('Content-type: text/xml');
264	break;
265
266	case 'txt':
267	if (!$disposition) {
268	$disposition = 'attachment';
269	}
270	header("Content-Disposition: {$disposition}; filename=\"{$name}.txt\"");
271	header('Content-type: text/html');
272	break;
273
274	case 'php':
275	if (!$disposition) {
276	$disposition = 'attachment';
277	}
278	header("Content-Disposition: {$disposition}; filename=\"{$name}.php\"");
279	header('Content-type: text/html');
280	break;
281
282	default:
283	break;
284	}
285	echo base64_decode($file);
286	die();
287	}
288
289	/**
290	* Check if exists in array
291	*
292	* @param string $value - Array Key
293	* @param mixed $compare
294	* @param array $data - Array of data
295	*
296	* @return bool
297	*/
298	public function exist($value, $compare = false, $data = array()) {
299	if (isset($data[$value]) && $value === $compare) {
300	return true;
301	} else {
302	return false;
303	}
304	}
305
306	/**
307	* Force Error
308	*
309	* @param string $code - Error Code
310	*/
311	public function error($code = '404') {
312	global $wp_query;
313	if ($code === '404') {
314	$wp_query->set_404();
315	status_header(404);
316	$this->redirect(site_url('wp-admin'));
317	wp_die('404');
318	}
319	}
320
321	/**
322	* Set var available to view template
323	*
324	* @param string $key - Key of value
325	* @param mixed $value - Value
326	*/
327	public function view($key, $value) {
328	$this->view->$key = $value;
329	}
330
331	/**
332	* Check if Array/Object Empty
333	*
334	* @param mixed $data - Object/Array to check
335	*
336	* @return bool
337	*/
338	public function is_empty($data) {
339	if (is_object($data) \|\| is_array($data)) {
340
341	if (is_object($data)) {
342	$data = (array) $data;
343	}
344	if (count($data) > 0) {
345	return false;
346	}
347	}
348
349	return true;
350	}
351
352	/**
353	* Verify nonce
354	*
355	* @param string $nonce - Nonce value
356	* @param string $key - Nonce Key
357	*/
358	public function check_nonce($nonce, $key) {
359	$message = __('Security Issue: Nonce Incorrect', 'e2pdf');
360	if ($key === 'e2pdf_ajax') {
361	if (!wp_verify_nonce($nonce, $key)) {
362	$data['error'] = $message;
363	$this->json_response($data);
364	}
365	} else {
366	if (!wp_verify_nonce($nonce, $key)) {
367	die('<div id="message" class="error e2pdf-notice">' . $message . '</div>');
368	}
369	}
370	}
371
372	}
373